File: | cafe-dictionary/libgdict/./gdict-client-context.c |
Warning: | line 1618, column 11 Dereference of null pointer |
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1 | /* gdict-client-context.c - | |||
2 | * | |||
3 | * Copyright (C) 2005 Emmanuele Bassi <ebassi@gmail.com> | |||
4 | * | |||
5 | * This library is free software; you can redistribute it and/or | |||
6 | * modify it under the terms of the GNU Library General Public | |||
7 | * License as published by the Free Software Foundation; either | |||
8 | * version 2 of the License, or (at your option) any later version. | |||
9 | * | |||
10 | * This library is distributed in the hope that it will be useful, | |||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |||
13 | * Library General Public License for more details. | |||
14 | * | |||
15 | * You should have received a copy of the GNU Library General Public | |||
16 | * License along with this library; if not, write to the | |||
17 | * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, | |||
18 | */ | |||
19 | ||||
20 | /** | |||
21 | * SECTION:gdict-client-context | |||
22 | * @short_description: DICT client transport | |||
23 | * | |||
24 | * #GdictClientContext is an implementation of the #GdictContext interface. | |||
25 | * It implements the Dictionary Protocol as defined by the RFC 2229 in order | |||
26 | * to connect to a dictionary server. | |||
27 | * | |||
28 | * You should rarely instantiate this object directely: use an appropriate | |||
29 | * #GdictSource instead. | |||
30 | */ | |||
31 | ||||
32 | #ifdef HAVE_CONFIG_H1 | |||
33 | #include "config.h" | |||
34 | #endif | |||
35 | ||||
36 | #include <stdio.h> | |||
37 | #include <stdlib.h> | |||
38 | #include <string.h> | |||
39 | #include <sys/types.h> | |||
40 | #include <sys/socket.h> | |||
41 | #include <netinet/in.h> | |||
42 | #include <arpa/inet.h> | |||
43 | #include <netdb.h> | |||
44 | #include <fcntl.h> | |||
45 | #include <errno(*__errno_location ()).h> | |||
46 | #ifdef HAVE_UNISTD_H1 | |||
47 | #include <unistd.h> | |||
48 | #endif | |||
49 | ||||
50 | #include <glib.h> | |||
51 | #include <glib/gi18n-lib.h> | |||
52 | ||||
53 | #include "gdict-context-private.h" | |||
54 | #include "gdict-context.h" | |||
55 | #include "gdict-client-context.h" | |||
56 | #include "gdict-enum-types.h" | |||
57 | #include "gdict-marshal.h" | |||
58 | #include "gdict-debug.h" | |||
59 | #include "gdict-utils.h" | |||
60 | #include "gdict-private.h" | |||
61 | ||||
62 | typedef enum { | |||
63 | CMD_CLIENT, | |||
64 | CMD_SHOW_DB, | |||
65 | CMD_SHOW_STRAT, | |||
66 | CMD_SHOW_INFO, /* not implemented */ | |||
67 | CMD_SHOW_SERVER, /* not implemented */ | |||
68 | CMD_MATCH, | |||
69 | CMD_DEFINE, | |||
70 | CMD_STATUS, /* not implemented */ | |||
71 | CMD_OPTION_MIME, /* not implemented */ | |||
72 | CMD_AUTH, /* not implemented */ | |||
73 | CMD_HELP, /* not implemented */ | |||
74 | CMD_QUIT, | |||
75 | ||||
76 | CMD_INVALID | |||
77 | } GdictCommandType; | |||
78 | #define IS_VALID_CMD(cmd)(((cmd) >= CMD_CLIENT) || ((cmd) < CMD_INVALID)) (((cmd) >= CMD_CLIENT) || ((cmd) < CMD_INVALID)) | |||
79 | ||||
80 | /* command strings: keep synced with the enum above! */ | |||
81 | static const gchar *dict_command_strings[] = { | |||
82 | "CLIENT", | |||
83 | "SHOW DB", | |||
84 | "SHOW STRAT", | |||
85 | "SHOW INFO", | |||
86 | "SHOW SERVER", | |||
87 | "MATCH", | |||
88 | "DEFINE", | |||
89 | "STATUS", | |||
90 | "OPTION MIME", | |||
91 | "AUTH", | |||
92 | "HELP", | |||
93 | "QUIT", | |||
94 | ||||
95 | NULL((void*)0) | |||
96 | }; | |||
97 | ||||
98 | /* command stata */ | |||
99 | enum | |||
100 | { | |||
101 | S_START, | |||
102 | ||||
103 | S_STATUS, | |||
104 | S_DATA, | |||
105 | ||||
106 | S_FINISH | |||
107 | }; | |||
108 | ||||
109 | typedef struct | |||
110 | { | |||
111 | GdictCommandType cmd_type; | |||
112 | ||||
113 | gchar *cmd_string; | |||
114 | guint state; | |||
115 | ||||
116 | /* optional parameters passed to the command */ | |||
117 | gchar *database; | |||
118 | gchar *strategy; | |||
119 | gchar *word; | |||
120 | ||||
121 | /* buffer used to hold the reply from the server */ | |||
122 | GString *buffer; | |||
123 | ||||
124 | gpointer data; | |||
125 | GDestroyNotify data_destroy; | |||
126 | } GdictCommand; | |||
127 | ||||
128 | /* The default string to be passed to the CLIENT command */ | |||
129 | #define GDICT_DEFAULT_CLIENT"CAFE Dictionary (" "1.25.0" ")" "CAFE Dictionary (" VERSION"1.25.0" ")" | |||
130 | ||||
131 | /* Default server:port couple */ | |||
132 | #define GDICT_DEFAULT_HOSTNAME"dict.org" "dict.org" | |||
133 | #define GDICT_DEFAULT_PORT2628 2628 | |||
134 | ||||
135 | /* make the hostname lookup expire every five minutes */ | |||
136 | #define HOSTNAME_LOOKUP_EXPIRE300 300 | |||
137 | ||||
138 | /* wait 30 seconds between connection and receiving data on the line */ | |||
139 | #define CONNECTION_TIMEOUT_SEC30 30 | |||
140 | ||||
141 | enum | |||
142 | { | |||
143 | PROP_0, | |||
144 | ||||
145 | PROP_HOSTNAME, | |||
146 | PROP_PORT, | |||
147 | PROP_STATUS, | |||
148 | PROP_CLIENT_NAME | |||
149 | }; | |||
150 | ||||
151 | enum | |||
152 | { | |||
153 | CONNECTED, | |||
154 | DISCONNECTED, | |||
155 | ||||
156 | LAST_SIGNAL | |||
157 | }; | |||
158 | ||||
159 | static guint gdict_client_context_signals[LAST_SIGNAL] = { 0 }; | |||
160 | ||||
161 | struct _GdictClientContextPrivate | |||
162 | { | |||
163 | #ifdef ENABLE_IPV61 | |||
164 | struct sockaddr_storage sockaddr; | |||
165 | struct addrinfo *host6info; | |||
166 | #else | |||
167 | struct sockaddr_in sockaddr; | |||
168 | #endif | |||
169 | struct hostent *hostinfo; | |||
170 | ||||
171 | time_t last_lookup; | |||
172 | ||||
173 | gchar *hostname; | |||
174 | gint port; | |||
175 | ||||
176 | GIOChannel *channel; | |||
177 | guint source_id; | |||
178 | guint timeout_id; | |||
179 | ||||
180 | GdictCommand *command; | |||
181 | GQueue *commands_queue; | |||
182 | ||||
183 | gchar *client_name; | |||
184 | ||||
185 | GdictStatusCode status_code; | |||
186 | ||||
187 | guint local_only : 1; | |||
188 | guint is_connecting : 1; | |||
189 | }; | |||
190 | ||||
191 | static void gdict_client_context_iface_init (GdictContextIface *iface); | |||
192 | ||||
193 | G_DEFINE_TYPE_WITH_CODE (GdictClientContext,static void gdict_client_context_init (GdictClientContext *self ); static void gdict_client_context_class_init (GdictClientContextClass *klass); static GType gdict_client_context_get_type_once (void ); static gpointer gdict_client_context_parent_class = ((void *)0); static gint GdictClientContext_private_offset; static void gdict_client_context_class_intern_init (gpointer klass) { gdict_client_context_parent_class = g_type_class_peek_parent (klass); if (GdictClientContext_private_offset != 0) g_type_class_adjust_private_offset (klass, &GdictClientContext_private_offset ); gdict_client_context_class_init ((GdictClientContextClass* ) klass); } __attribute__ ((__unused__)) static inline gpointer gdict_client_context_get_instance_private (GdictClientContext *self) { return (((gpointer) ((guint8*) (self) + (glong) (GdictClientContext_private_offset )))); } GType gdict_client_context_get_type (void) { static GType static_g_define_type_id = 0; if ((__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer) , "Expression evaluates to false"); (void) (0 ? (gpointer) * ( &static_g_define_type_id) : ((void*)0)); (!(__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer), "Expression evaluates to false"); __typeof__ (*(&static_g_define_type_id)) gapg_temp_newval; __typeof__ ((&static_g_define_type_id)) gapg_temp_atomic = (&static_g_define_type_id ); __atomic_load (gapg_temp_atomic, &gapg_temp_newval, 5) ; gapg_temp_newval; })) && g_once_init_enter_pointer ( &static_g_define_type_id)); })) ) { GType g_define_type_id = gdict_client_context_get_type_once (); (__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer) , "Expression evaluates to false"); 0 ? (void) (*(&static_g_define_type_id ) = (g_define_type_id)) : (void) 0; g_once_init_leave_pointer ((&static_g_define_type_id), (gpointer) (guintptr) (g_define_type_id )); })) ; } return static_g_define_type_id; } __attribute__ ( (__noinline__)) static GType gdict_client_context_get_type_once (void) { GType g_define_type_id = g_type_register_static_simple (((GType) ((20) << (2))), g_intern_static_string ("GdictClientContext" ), sizeof (GdictClientContextClass), (GClassInitFunc)(void (* )(void)) gdict_client_context_class_intern_init, sizeof (GdictClientContext ), (GInstanceInitFunc)(void (*)(void)) gdict_client_context_init , (GTypeFlags) 0); { {{ GdictClientContext_private_offset = g_type_add_instance_private (g_define_type_id, sizeof (GdictClientContextPrivate)); } { const GInterfaceInfo g_implement_interface_info = { (GInterfaceInitFunc )(void (*)(void)) gdict_client_context_iface_init, ((void*)0) , ((void*)0) }; g_type_add_interface_static (g_define_type_id , (gdict_context_get_type ()), &g_implement_interface_info ); };} } return g_define_type_id; } | |||
194 | gdict_client_context,static void gdict_client_context_init (GdictClientContext *self ); static void gdict_client_context_class_init (GdictClientContextClass *klass); static GType gdict_client_context_get_type_once (void ); static gpointer gdict_client_context_parent_class = ((void *)0); static gint GdictClientContext_private_offset; static void gdict_client_context_class_intern_init (gpointer klass) { gdict_client_context_parent_class = g_type_class_peek_parent (klass); if (GdictClientContext_private_offset != 0) g_type_class_adjust_private_offset (klass, &GdictClientContext_private_offset ); gdict_client_context_class_init ((GdictClientContextClass* ) klass); } __attribute__ ((__unused__)) static inline gpointer gdict_client_context_get_instance_private (GdictClientContext *self) { return (((gpointer) ((guint8*) (self) + (glong) (GdictClientContext_private_offset )))); } GType gdict_client_context_get_type (void) { static GType static_g_define_type_id = 0; if ((__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer) , "Expression evaluates to false"); (void) (0 ? (gpointer) * ( &static_g_define_type_id) : ((void*)0)); (!(__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer), "Expression evaluates to false"); __typeof__ (*(&static_g_define_type_id)) gapg_temp_newval; __typeof__ ((&static_g_define_type_id)) gapg_temp_atomic = (&static_g_define_type_id ); __atomic_load (gapg_temp_atomic, &gapg_temp_newval, 5) ; gapg_temp_newval; })) && g_once_init_enter_pointer ( &static_g_define_type_id)); })) ) { GType g_define_type_id = gdict_client_context_get_type_once (); (__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer) , "Expression evaluates to false"); 0 ? (void) (*(&static_g_define_type_id ) = (g_define_type_id)) : (void) 0; g_once_init_leave_pointer ((&static_g_define_type_id), (gpointer) (guintptr) (g_define_type_id )); })) ; } return static_g_define_type_id; } __attribute__ ( (__noinline__)) static GType gdict_client_context_get_type_once (void) { GType g_define_type_id = g_type_register_static_simple (((GType) ((20) << (2))), g_intern_static_string ("GdictClientContext" ), sizeof (GdictClientContextClass), (GClassInitFunc)(void (* )(void)) gdict_client_context_class_intern_init, sizeof (GdictClientContext ), (GInstanceInitFunc)(void (*)(void)) gdict_client_context_init , (GTypeFlags) 0); { {{ GdictClientContext_private_offset = g_type_add_instance_private (g_define_type_id, sizeof (GdictClientContextPrivate)); } { const GInterfaceInfo g_implement_interface_info = { (GInterfaceInitFunc )(void (*)(void)) gdict_client_context_iface_init, ((void*)0) , ((void*)0) }; g_type_add_interface_static (g_define_type_id , (gdict_context_get_type ()), &g_implement_interface_info ); };} } return g_define_type_id; } | |||
195 | G_TYPE_OBJECT,static void gdict_client_context_init (GdictClientContext *self ); static void gdict_client_context_class_init (GdictClientContextClass *klass); static GType gdict_client_context_get_type_once (void ); static gpointer gdict_client_context_parent_class = ((void *)0); static gint GdictClientContext_private_offset; static void gdict_client_context_class_intern_init (gpointer klass) { gdict_client_context_parent_class = g_type_class_peek_parent (klass); if (GdictClientContext_private_offset != 0) g_type_class_adjust_private_offset (klass, &GdictClientContext_private_offset ); gdict_client_context_class_init ((GdictClientContextClass* ) klass); } __attribute__ ((__unused__)) static inline gpointer gdict_client_context_get_instance_private (GdictClientContext *self) { return (((gpointer) ((guint8*) (self) + (glong) (GdictClientContext_private_offset )))); } GType gdict_client_context_get_type (void) { static GType static_g_define_type_id = 0; if ((__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer) , "Expression evaluates to false"); (void) (0 ? (gpointer) * ( &static_g_define_type_id) : ((void*)0)); (!(__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer), "Expression evaluates to false"); __typeof__ (*(&static_g_define_type_id)) gapg_temp_newval; __typeof__ ((&static_g_define_type_id)) gapg_temp_atomic = (&static_g_define_type_id ); __atomic_load (gapg_temp_atomic, &gapg_temp_newval, 5) ; gapg_temp_newval; })) && g_once_init_enter_pointer ( &static_g_define_type_id)); })) ) { GType g_define_type_id = gdict_client_context_get_type_once (); (__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer) , "Expression evaluates to false"); 0 ? (void) (*(&static_g_define_type_id ) = (g_define_type_id)) : (void) 0; g_once_init_leave_pointer ((&static_g_define_type_id), (gpointer) (guintptr) (g_define_type_id )); })) ; } return static_g_define_type_id; } __attribute__ ( (__noinline__)) static GType gdict_client_context_get_type_once (void) { GType g_define_type_id = g_type_register_static_simple (((GType) ((20) << (2))), g_intern_static_string ("GdictClientContext" ), sizeof (GdictClientContextClass), (GClassInitFunc)(void (* )(void)) gdict_client_context_class_intern_init, sizeof (GdictClientContext ), (GInstanceInitFunc)(void (*)(void)) gdict_client_context_init , (GTypeFlags) 0); { {{ GdictClientContext_private_offset = g_type_add_instance_private (g_define_type_id, sizeof (GdictClientContextPrivate)); } { const GInterfaceInfo g_implement_interface_info = { (GInterfaceInitFunc )(void (*)(void)) gdict_client_context_iface_init, ((void*)0) , ((void*)0) }; g_type_add_interface_static (g_define_type_id , (gdict_context_get_type ()), &g_implement_interface_info ); };} } return g_define_type_id; } | |||
196 | G_ADD_PRIVATE (GdictClientContext)static void gdict_client_context_init (GdictClientContext *self ); static void gdict_client_context_class_init (GdictClientContextClass *klass); static GType gdict_client_context_get_type_once (void ); static gpointer gdict_client_context_parent_class = ((void *)0); static gint GdictClientContext_private_offset; static void gdict_client_context_class_intern_init (gpointer klass) { gdict_client_context_parent_class = g_type_class_peek_parent (klass); if (GdictClientContext_private_offset != 0) g_type_class_adjust_private_offset (klass, &GdictClientContext_private_offset ); gdict_client_context_class_init ((GdictClientContextClass* ) klass); } __attribute__ ((__unused__)) static inline gpointer gdict_client_context_get_instance_private (GdictClientContext *self) { return (((gpointer) ((guint8*) (self) + (glong) (GdictClientContext_private_offset )))); } GType gdict_client_context_get_type (void) { static GType static_g_define_type_id = 0; if ((__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer) , "Expression evaluates to false"); (void) (0 ? (gpointer) * ( &static_g_define_type_id) : ((void*)0)); (!(__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer), "Expression evaluates to false"); __typeof__ (*(&static_g_define_type_id)) gapg_temp_newval; __typeof__ ((&static_g_define_type_id)) gapg_temp_atomic = (&static_g_define_type_id ); __atomic_load (gapg_temp_atomic, &gapg_temp_newval, 5) ; gapg_temp_newval; })) && g_once_init_enter_pointer ( &static_g_define_type_id)); })) ) { GType g_define_type_id = gdict_client_context_get_type_once (); (__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer) , "Expression evaluates to false"); 0 ? (void) (*(&static_g_define_type_id ) = (g_define_type_id)) : (void) 0; g_once_init_leave_pointer ((&static_g_define_type_id), (gpointer) (guintptr) (g_define_type_id )); })) ; } return static_g_define_type_id; } __attribute__ ( (__noinline__)) static GType gdict_client_context_get_type_once (void) { GType g_define_type_id = g_type_register_static_simple (((GType) ((20) << (2))), g_intern_static_string ("GdictClientContext" ), sizeof (GdictClientContextClass), (GClassInitFunc)(void (* )(void)) gdict_client_context_class_intern_init, sizeof (GdictClientContext ), (GInstanceInitFunc)(void (*)(void)) gdict_client_context_init , (GTypeFlags) 0); { {{ GdictClientContext_private_offset = g_type_add_instance_private (g_define_type_id, sizeof (GdictClientContextPrivate)); } { const GInterfaceInfo g_implement_interface_info = { (GInterfaceInitFunc )(void (*)(void)) gdict_client_context_iface_init, ((void*)0) , ((void*)0) }; g_type_add_interface_static (g_define_type_id , (gdict_context_get_type ()), &g_implement_interface_info ); };} } return g_define_type_id; } | |||
197 | G_IMPLEMENT_INTERFACE (GDICT_TYPE_CONTEXT,static void gdict_client_context_init (GdictClientContext *self ); static void gdict_client_context_class_init (GdictClientContextClass *klass); static GType gdict_client_context_get_type_once (void ); static gpointer gdict_client_context_parent_class = ((void *)0); static gint GdictClientContext_private_offset; static void gdict_client_context_class_intern_init (gpointer klass) { gdict_client_context_parent_class = g_type_class_peek_parent (klass); if (GdictClientContext_private_offset != 0) g_type_class_adjust_private_offset (klass, &GdictClientContext_private_offset ); gdict_client_context_class_init ((GdictClientContextClass* ) klass); } __attribute__ ((__unused__)) static inline gpointer gdict_client_context_get_instance_private (GdictClientContext *self) { return (((gpointer) ((guint8*) (self) + (glong) (GdictClientContext_private_offset )))); } GType gdict_client_context_get_type (void) { static GType static_g_define_type_id = 0; if ((__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer) , "Expression evaluates to false"); (void) (0 ? (gpointer) * ( &static_g_define_type_id) : ((void*)0)); (!(__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer), "Expression evaluates to false"); __typeof__ (*(&static_g_define_type_id)) gapg_temp_newval; __typeof__ ((&static_g_define_type_id)) gapg_temp_atomic = (&static_g_define_type_id ); __atomic_load (gapg_temp_atomic, &gapg_temp_newval, 5) ; gapg_temp_newval; })) && g_once_init_enter_pointer ( &static_g_define_type_id)); })) ) { GType g_define_type_id = gdict_client_context_get_type_once (); (__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer) , "Expression evaluates to false"); 0 ? (void) (*(&static_g_define_type_id ) = (g_define_type_id)) : (void) 0; g_once_init_leave_pointer ((&static_g_define_type_id), (gpointer) (guintptr) (g_define_type_id )); })) ; } return static_g_define_type_id; } __attribute__ ( (__noinline__)) static GType gdict_client_context_get_type_once (void) { GType g_define_type_id = g_type_register_static_simple (((GType) ((20) << (2))), g_intern_static_string ("GdictClientContext" ), sizeof (GdictClientContextClass), (GClassInitFunc)(void (* )(void)) gdict_client_context_class_intern_init, sizeof (GdictClientContext ), (GInstanceInitFunc)(void (*)(void)) gdict_client_context_init , (GTypeFlags) 0); { {{ GdictClientContext_private_offset = g_type_add_instance_private (g_define_type_id, sizeof (GdictClientContextPrivate)); } { const GInterfaceInfo g_implement_interface_info = { (GInterfaceInitFunc )(void (*)(void)) gdict_client_context_iface_init, ((void*)0) , ((void*)0) }; g_type_add_interface_static (g_define_type_id , (gdict_context_get_type ()), &g_implement_interface_info ); };} } return g_define_type_id; } | |||
198 | gdict_client_context_iface_init))static void gdict_client_context_init (GdictClientContext *self ); static void gdict_client_context_class_init (GdictClientContextClass *klass); static GType gdict_client_context_get_type_once (void ); static gpointer gdict_client_context_parent_class = ((void *)0); static gint GdictClientContext_private_offset; static void gdict_client_context_class_intern_init (gpointer klass) { gdict_client_context_parent_class = g_type_class_peek_parent (klass); if (GdictClientContext_private_offset != 0) g_type_class_adjust_private_offset (klass, &GdictClientContext_private_offset ); gdict_client_context_class_init ((GdictClientContextClass* ) klass); } __attribute__ ((__unused__)) static inline gpointer gdict_client_context_get_instance_private (GdictClientContext *self) { return (((gpointer) ((guint8*) (self) + (glong) (GdictClientContext_private_offset )))); } GType gdict_client_context_get_type (void) { static GType static_g_define_type_id = 0; if ((__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer) , "Expression evaluates to false"); (void) (0 ? (gpointer) * ( &static_g_define_type_id) : ((void*)0)); (!(__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer), "Expression evaluates to false"); __typeof__ (*(&static_g_define_type_id)) gapg_temp_newval; __typeof__ ((&static_g_define_type_id)) gapg_temp_atomic = (&static_g_define_type_id ); __atomic_load (gapg_temp_atomic, &gapg_temp_newval, 5) ; gapg_temp_newval; })) && g_once_init_enter_pointer ( &static_g_define_type_id)); })) ) { GType g_define_type_id = gdict_client_context_get_type_once (); (__extension__ ({ _Static_assert (sizeof *(&static_g_define_type_id) == sizeof (gpointer) , "Expression evaluates to false"); 0 ? (void) (*(&static_g_define_type_id ) = (g_define_type_id)) : (void) 0; g_once_init_leave_pointer ((&static_g_define_type_id), (gpointer) (guintptr) (g_define_type_id )); })) ; } return static_g_define_type_id; } __attribute__ ( (__noinline__)) static GType gdict_client_context_get_type_once (void) { GType g_define_type_id = g_type_register_static_simple (((GType) ((20) << (2))), g_intern_static_string ("GdictClientContext" ), sizeof (GdictClientContextClass), (GClassInitFunc)(void (* )(void)) gdict_client_context_class_intern_init, sizeof (GdictClientContext ), (GInstanceInitFunc)(void (*)(void)) gdict_client_context_init , (GTypeFlags) 0); { {{ GdictClientContext_private_offset = g_type_add_instance_private (g_define_type_id, sizeof (GdictClientContextPrivate)); } { const GInterfaceInfo g_implement_interface_info = { (GInterfaceInitFunc )(void (*)(void)) gdict_client_context_iface_init, ((void*)0) , ((void*)0) }; g_type_add_interface_static (g_define_type_id , (gdict_context_get_type ()), &g_implement_interface_info ); };} } return g_define_type_id; }; | |||
199 | ||||
200 | /* GObject methods */ | |||
201 | static void gdict_client_context_set_property (GObject *object, | |||
202 | guint prop_id, | |||
203 | const GValue *value, | |||
204 | GParamSpec *pspec); | |||
205 | static void gdict_client_context_get_property (GObject *object, | |||
206 | guint prop_id, | |||
207 | GValue *value, | |||
208 | GParamSpec *pspec); | |||
209 | static void gdict_client_context_finalize (GObject *object); | |||
210 | ||||
211 | /* GdictContext methods */ | |||
212 | static gboolean gdict_client_context_get_databases (GdictContext *context, | |||
213 | GError **error); | |||
214 | static gboolean gdict_client_context_get_strategies (GdictContext *context, | |||
215 | GError **error); | |||
216 | static gboolean gdict_client_context_define_word (GdictContext *context, | |||
217 | const gchar *database, | |||
218 | const gchar *word, | |||
219 | GError **error); | |||
220 | static gboolean gdict_client_context_match_word (GdictContext *context, | |||
221 | const gchar *database, | |||
222 | const gchar *strategy, | |||
223 | const gchar *word, | |||
224 | GError **error); | |||
225 | ||||
226 | static void gdict_client_context_clear_hostinfo (GdictClientContext *context); | |||
227 | static gboolean gdict_client_context_lookup_server (GdictClientContext *context, | |||
228 | GError **error); | |||
229 | static gboolean gdict_client_context_io_watch_cb (GIOChannel *source, | |||
230 | GIOCondition condition, | |||
231 | GdictClientContext *context); | |||
232 | static gboolean gdict_client_context_parse_line (GdictClientContext *context, | |||
233 | const gchar *buffer); | |||
234 | static void gdict_client_context_disconnect (GdictClientContext *context); | |||
235 | static void gdict_client_context_force_disconnect (GdictClientContext *context); | |||
236 | static void gdict_client_context_real_connected (GdictClientContext *context); | |||
237 | static void gdict_client_context_real_disconnected (GdictClientContext *context); | |||
238 | ||||
239 | static GdictCommand *gdict_command_new (GdictCommandType cmd_type); | |||
240 | static void gdict_command_free (GdictCommand *cmd); | |||
241 | ||||
242 | ||||
243 | ||||
244 | GQuark | |||
245 | gdict_client_context_error_quark (void) | |||
246 | { | |||
247 | return g_quark_from_static_string ("gdict-client-context-error-quark"); | |||
248 | } | |||
249 | ||||
250 | static void | |||
251 | gdict_client_context_iface_init (GdictContextIface *iface) | |||
252 | { | |||
253 | iface->get_databases = gdict_client_context_get_databases; | |||
254 | iface->get_strategies = gdict_client_context_get_strategies; | |||
255 | iface->match_word = gdict_client_context_match_word; | |||
256 | iface->define_word = gdict_client_context_define_word; | |||
257 | } | |||
258 | ||||
259 | static void | |||
260 | gdict_client_context_class_init (GdictClientContextClass *klass) | |||
261 | { | |||
262 | GObjectClass *gobject_class = G_OBJECT_CLASS (klass)((((GObjectClass*) (void *) ((klass))))); | |||
263 | ||||
264 | gobject_class->set_property = gdict_client_context_set_property; | |||
265 | gobject_class->get_property = gdict_client_context_get_property; | |||
266 | gobject_class->finalize = gdict_client_context_finalize; | |||
267 | ||||
268 | g_object_class_override_property (gobject_class, | |||
269 | GDICT_CONTEXT_PROP_LOCAL_ONLY, | |||
270 | "local-only"); | |||
271 | ||||
272 | /** | |||
273 | * GdictClientContext:client-name | |||
274 | * | |||
275 | * The name of the client using this context; it will be advertised when | |||
276 | * connecting to the dictionary server. | |||
277 | * | |||
278 | * Since: 1.0 | |||
279 | */ | |||
280 | g_object_class_install_property (gobject_class, | |||
281 | PROP_CLIENT_NAME, | |||
282 | g_param_spec_string ("client-name", | |||
283 | _("Client Name")((char *) g_dgettext ("cafe-utils", "Client Name")), | |||
284 | _("The name of the client of the context object")((char *) g_dgettext ("cafe-utils", "The name of the client of the context object" )), | |||
285 | NULL((void*)0), | |||
286 | (G_PARAM_READABLE | G_PARAM_WRITABLE))); | |||
287 | /** | |||
288 | * GdictClientContext:hostname | |||
289 | * | |||
290 | * The hostname of the dictionary server to connect to. | |||
291 | * | |||
292 | * Since: 1.0 | |||
293 | */ | |||
294 | g_object_class_install_property (gobject_class, | |||
295 | PROP_HOSTNAME, | |||
296 | g_param_spec_string ("hostname", | |||
297 | _("Hostname")((char *) g_dgettext ("cafe-utils", "Hostname")), | |||
298 | _("The hostname of the dictionary server to connect to")((char *) g_dgettext ("cafe-utils", "The hostname of the dictionary server to connect to" )), | |||
299 | NULL((void*)0), | |||
300 | (G_PARAM_READABLE | G_PARAM_WRITABLE))); | |||
301 | /** | |||
302 | * GdictClientContext:port | |||
303 | * | |||
304 | * The port of the dictionary server to connect to. | |||
305 | * | |||
306 | * Since: 1.0 | |||
307 | */ | |||
308 | g_object_class_install_property (gobject_class, | |||
309 | PROP_PORT, | |||
310 | g_param_spec_uint ("port", | |||
311 | _("Port")((char *) g_dgettext ("cafe-utils", "Port")), | |||
312 | _("The port of the dictionary server to connect to")((char *) g_dgettext ("cafe-utils", "The port of the dictionary server to connect to" )), | |||
313 | 0, | |||
314 | 65535, | |||
315 | GDICT_DEFAULT_PORT2628, | |||
316 | (G_PARAM_READABLE | G_PARAM_WRITABLE))); | |||
317 | /** | |||
318 | * GdictClientContext:status | |||
319 | * | |||
320 | * The status code as returned by the dictionary server. | |||
321 | * | |||
322 | * Since: 1.0 | |||
323 | */ | |||
324 | g_object_class_install_property (gobject_class, | |||
325 | PROP_STATUS, | |||
326 | g_param_spec_enum ("status", | |||
327 | _("Status")((char *) g_dgettext ("cafe-utils", "Status")), | |||
328 | _("The status code as returned by the dictionary server")((char *) g_dgettext ("cafe-utils", "The status code as returned by the dictionary server" )), | |||
329 | GDICT_TYPE_STATUS_CODE(gdict_status_code_get_type()), | |||
330 | GDICT_STATUS_INVALID, | |||
331 | G_PARAM_READABLE)); | |||
332 | ||||
333 | /** | |||
334 | * GdictClientContext::connected | |||
335 | * @client: the object which received the signal | |||
336 | * | |||
337 | * Emitted when a #GdictClientContext has successfully established a | |||
338 | * connection with a dictionary server. | |||
339 | * | |||
340 | * Since: 1.0 | |||
341 | */ | |||
342 | gdict_client_context_signals[CONNECTED] = | |||
343 | g_signal_new ("connected", | |||
344 | G_OBJECT_CLASS_TYPE (gobject_class)((((GTypeClass*) (gobject_class))->g_type)), | |||
345 | G_SIGNAL_RUN_LAST, | |||
346 | G_STRUCT_OFFSET (GdictClientContextClass, connected)((glong) __builtin_offsetof(GdictClientContextClass, connected )), | |||
347 | NULL((void*)0), NULL((void*)0), | |||
348 | gdict_marshal_VOID__VOIDg_cclosure_marshal_VOID__VOID, | |||
349 | G_TYPE_NONE((GType) ((1) << (2))), 0); | |||
350 | /** | |||
351 | * GdictClientContext::disconnected | |||
352 | * @client: the object which received the signal | |||
353 | * | |||
354 | * Emitted when a #GdictClientContext has disconnected from a dictionary | |||
355 | * server. | |||
356 | * | |||
357 | * Since: 1.0 | |||
358 | */ | |||
359 | gdict_client_context_signals[DISCONNECTED] = | |||
360 | g_signal_new ("disconnected", | |||
361 | G_OBJECT_CLASS_TYPE (gobject_class)((((GTypeClass*) (gobject_class))->g_type)), | |||
362 | G_SIGNAL_RUN_LAST, | |||
363 | G_STRUCT_OFFSET (GdictClientContextClass, disconnected)((glong) __builtin_offsetof(GdictClientContextClass, disconnected )), | |||
364 | NULL((void*)0), NULL((void*)0), | |||
365 | gdict_marshal_VOID__VOIDg_cclosure_marshal_VOID__VOID, | |||
366 | G_TYPE_NONE((GType) ((1) << (2))), 0); | |||
367 | ||||
368 | klass->connected = gdict_client_context_real_connected; | |||
369 | klass->disconnected = gdict_client_context_real_disconnected; | |||
370 | } | |||
371 | ||||
372 | static void | |||
373 | gdict_client_context_init (GdictClientContext *context) | |||
374 | { | |||
375 | GdictClientContextPrivate *priv; | |||
376 | ||||
377 | priv = gdict_client_context_get_instance_private (context); | |||
378 | context->priv = priv; | |||
379 | ||||
380 | priv->hostname = NULL((void*)0); | |||
381 | priv->port = 0; | |||
382 | ||||
383 | priv->hostinfo = NULL((void*)0); | |||
384 | #ifdef ENABLE_IPV61 | |||
385 | priv->host6info = NULL((void*)0); | |||
386 | #endif | |||
387 | ||||
388 | priv->last_lookup = (time_t) -1; | |||
389 | ||||
390 | priv->is_connecting = FALSE(0); | |||
391 | priv->local_only = FALSE(0); | |||
392 | ||||
393 | priv->status_code = GDICT_STATUS_INVALID; | |||
394 | ||||
395 | priv->client_name = NULL((void*)0); | |||
396 | ||||
397 | priv->command = NULL((void*)0); | |||
398 | priv->commands_queue = g_queue_new (); | |||
399 | } | |||
400 | ||||
401 | static void | |||
402 | gdict_client_context_set_property (GObject *object, | |||
403 | guint prop_id, | |||
404 | const GValue *value, | |||
405 | GParamSpec *pspec) | |||
406 | { | |||
407 | GdictClientContextPrivate *priv = gdict_client_context_get_instance_private (GDICT_CLIENT_CONTEXT (object)((((GdictClientContext*) (void *) ((object)))))); | |||
408 | ||||
409 | switch (prop_id) | |||
410 | { | |||
411 | case PROP_HOSTNAME: | |||
412 | if (priv->hostname) | |||
413 | g_free (priv->hostname); | |||
414 | priv->hostname = g_strdup (g_value_get_string (value))g_strdup_inline (g_value_get_string (value)); | |||
415 | gdict_client_context_clear_hostinfo (GDICT_CLIENT_CONTEXT (object)((((GdictClientContext*) (void *) ((object)))))); | |||
416 | break; | |||
417 | case PROP_PORT: | |||
418 | priv->port = g_value_get_uint (value); | |||
419 | break; | |||
420 | case PROP_CLIENT_NAME: | |||
421 | if (priv->client_name) | |||
422 | g_free (priv->client_name); | |||
423 | priv->client_name = g_strdup (g_value_get_string (value))g_strdup_inline (g_value_get_string (value)); | |||
424 | break; | |||
425 | case GDICT_CONTEXT_PROP_LOCAL_ONLY: | |||
426 | priv->local_only = g_value_get_boolean (value); | |||
427 | break; | |||
428 | default: | |||
429 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec)do { GObject *_glib__object = (GObject*) ((object)); GParamSpec *_glib__pspec = (GParamSpec*) ((pspec)); guint _glib__property_id = ((prop_id)); g_warning ("%s:%d: invalid %s id %u for \"%s\" of type '%s' in '%s'" , "./gdict-client-context.c", 429, ("property"), _glib__property_id , _glib__pspec->name, g_type_name ((((((GTypeClass*) (((GTypeInstance *) (_glib__pspec))->g_class))->g_type)))), (g_type_name ((((((GTypeClass*) (((GTypeInstance*) (_glib__object))->g_class ))->g_type)))))); } while (0); | |||
430 | break; | |||
431 | } | |||
432 | } | |||
433 | ||||
434 | static void | |||
435 | gdict_client_context_get_property (GObject *object, | |||
436 | guint prop_id, | |||
437 | GValue *value, | |||
438 | GParamSpec *pspec) | |||
439 | { | |||
440 | GdictClientContextPrivate *priv = gdict_client_context_get_instance_private (GDICT_CLIENT_CONTEXT (object)((((GdictClientContext*) (void *) ((object)))))); | |||
441 | ||||
442 | switch (prop_id) | |||
443 | { | |||
444 | case PROP_STATUS: | |||
445 | g_value_set_enum (value, priv->status_code); | |||
446 | break; | |||
447 | case PROP_HOSTNAME: | |||
448 | g_value_set_string (value, priv->hostname); | |||
449 | break; | |||
450 | case PROP_PORT: | |||
451 | g_value_set_uint (value, priv->port); | |||
452 | break; | |||
453 | case PROP_CLIENT_NAME: | |||
454 | g_value_set_string (value, priv->client_name); | |||
455 | break; | |||
456 | case GDICT_CONTEXT_PROP_LOCAL_ONLY: | |||
457 | g_value_set_boolean (value, priv->local_only); | |||
458 | break; | |||
459 | default: | |||
460 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec)do { GObject *_glib__object = (GObject*) ((object)); GParamSpec *_glib__pspec = (GParamSpec*) ((pspec)); guint _glib__property_id = ((prop_id)); g_warning ("%s:%d: invalid %s id %u for \"%s\" of type '%s' in '%s'" , "./gdict-client-context.c", 460, ("property"), _glib__property_id , _glib__pspec->name, g_type_name ((((((GTypeClass*) (((GTypeInstance *) (_glib__pspec))->g_class))->g_type)))), (g_type_name ((((((GTypeClass*) (((GTypeInstance*) (_glib__object))->g_class ))->g_type)))))); } while (0); | |||
461 | break; | |||
462 | } | |||
463 | } | |||
464 | ||||
465 | static void | |||
466 | gdict_client_context_finalize (GObject *object) | |||
467 | { | |||
468 | GdictClientContext *context = GDICT_CLIENT_CONTEXT (object)((((GdictClientContext*) (void *) ((object))))); | |||
469 | GdictClientContextPrivate *priv = context->priv; | |||
470 | ||||
471 | /* force disconnection */ | |||
472 | gdict_client_context_force_disconnect (context); | |||
473 | ||||
474 | if (priv->command) | |||
475 | gdict_command_free (priv->command); | |||
476 | ||||
477 | if (priv->commands_queue) | |||
478 | { | |||
479 | g_queue_free_full (priv->commands_queue, | |||
480 | (GDestroyNotify) gdict_command_free); | |||
481 | priv->commands_queue = NULL((void*)0); | |||
482 | } | |||
483 | ||||
484 | if (priv->client_name) | |||
485 | g_free (priv->client_name); | |||
486 | ||||
487 | if (priv->hostname) | |||
488 | g_free (priv->hostname); | |||
489 | ||||
490 | #ifdef ENABLE_IPV61 | |||
491 | if (priv->host6info) | |||
492 | freeaddrinfo (priv->host6info); | |||
493 | #endif | |||
494 | ||||
495 | /* chain up parent's finalize method */ | |||
496 | G_OBJECT_CLASS (gdict_client_context_parent_class)((((GObjectClass*) (void *) ((gdict_client_context_parent_class )))))->finalize (object); | |||
497 | } | |||
498 | ||||
499 | /** | |||
500 | * gdict_client_context_new: | |||
501 | * @hostname: the hostname of a dictionary server, or %NULL for the | |||
502 | * default server | |||
503 | * @port: port to be used when connecting to the dictionary server, | |||
504 | * or -1 for the default port | |||
505 | * | |||
506 | * Creates a new #GdictClientContext object for @hostname. Use this | |||
507 | * object to connect and query the dictionary server using the Dictionary | |||
508 | * Protocol as defined by RFC 2229. | |||
509 | * | |||
510 | * Return value: the newly created #GdictClientContext object. You should | |||
511 | * free it using g_object_unref(). | |||
512 | */ | |||
513 | GdictContext * | |||
514 | gdict_client_context_new (const gchar *hostname, | |||
515 | gint port) | |||
516 | { | |||
517 | return g_object_new (GDICT_TYPE_CLIENT_CONTEXT(gdict_client_context_get_type ()), | |||
518 | "hostname", (hostname != NULL((void*)0) ? hostname : GDICT_DEFAULT_HOSTNAME"dict.org"), | |||
519 | "port", (port != -1 ? port : GDICT_DEFAULT_PORT2628), | |||
520 | "client-name", GDICT_DEFAULT_CLIENT"CAFE Dictionary (" "1.25.0" ")", | |||
521 | NULL((void*)0)); | |||
522 | } | |||
523 | ||||
524 | /** | |||
525 | * gdict_client_context_set_hostname: | |||
526 | * @context: a #GdictClientContext | |||
527 | * @hostname: the hostname of a Dictionary server, or %NULL | |||
528 | * | |||
529 | * Sets @hostname as the hostname of the dictionary server to be used. | |||
530 | * If @hostname is %NULL, the default dictionary server will be used. | |||
531 | */ | |||
532 | void | |||
533 | gdict_client_context_set_hostname (GdictClientContext *context, | |||
534 | const gchar *hostname) | |||
535 | { | |||
536 | g_return_if_fail (GDICT_IS_CLIENT_CONTEXT (context))do{ (void)0; }while (0); | |||
537 | ||||
538 | g_object_set (G_OBJECT (context)((((GObject*) (void *) ((context))))), | |||
539 | "hostname", (hostname != NULL((void*)0) ? hostname : GDICT_DEFAULT_HOSTNAME"dict.org"), | |||
540 | NULL((void*)0)); | |||
541 | } | |||
542 | ||||
543 | /** | |||
544 | * gdict_client_context_get_hostname: | |||
545 | * @context: a #GdictClientContext | |||
546 | * | |||
547 | * Gets the hostname of the dictionary server used by @context. | |||
548 | * | |||
549 | * Return value: the hostname of a dictionary server. The returned string is | |||
550 | * owned by the #GdictClientContext object and should never be modified or | |||
551 | * freed. | |||
552 | */ | |||
553 | const gchar * | |||
554 | gdict_client_context_get_hostname (GdictClientContext *context) | |||
555 | { | |||
556 | gchar *hostname; | |||
557 | ||||
558 | g_return_val_if_fail (GDICT_IS_CLIENT_CONTEXT (context), NULL)do{ (void)0; }while (0); | |||
559 | ||||
560 | g_object_get (G_OBJECT (context)((((GObject*) (void *) ((context))))), "hostname", &hostname, NULL((void*)0)); | |||
561 | ||||
562 | return hostname; | |||
563 | } | |||
564 | ||||
565 | /** | |||
566 | * gdict_client_context_set_port: | |||
567 | * @context: a #GdictClientContext | |||
568 | * @port: port of the dictionary server to be used, or -1 | |||
569 | * | |||
570 | * Sets the port of the dictionary server to be used when connecting. | |||
571 | * | |||
572 | * If @port is -1, the default port will be used. | |||
573 | */ | |||
574 | void | |||
575 | gdict_client_context_set_port (GdictClientContext *context, | |||
576 | gint port) | |||
577 | { | |||
578 | g_return_if_fail (GDICT_IS_CLIENT_CONTEXT (context))do{ (void)0; }while (0); | |||
579 | ||||
580 | g_object_set (G_OBJECT (context)((((GObject*) (void *) ((context))))), | |||
581 | "port", (port != -1 ? port : GDICT_DEFAULT_PORT2628), | |||
582 | NULL((void*)0)); | |||
583 | } | |||
584 | ||||
585 | /** | |||
586 | * gdict_client_context_get_port: | |||
587 | * @context: a #GdictClientContext | |||
588 | * | |||
589 | * Gets the port of the dictionary server used by @context. | |||
590 | * | |||
591 | * Return value: the number of the port. | |||
592 | */ | |||
593 | guint | |||
594 | gdict_client_context_get_port (GdictClientContext *context) | |||
595 | { | |||
596 | guint port; | |||
597 | ||||
598 | g_return_val_if_fail (GDICT_IS_CLIENT_CONTEXT (context), -1)do{ (void)0; }while (0); | |||
599 | ||||
600 | g_object_get (G_OBJECT (context)((((GObject*) (void *) ((context))))), "port", &port, NULL((void*)0)); | |||
601 | ||||
602 | return port; | |||
603 | } | |||
604 | ||||
605 | /** | |||
606 | * gdict_client_context_set_client: | |||
607 | * @context: a #GdictClientContext | |||
608 | * @client: the client name to use, or %NULL | |||
609 | * | |||
610 | * Sets @client as the client name to be used when advertising ourselves when | |||
611 | * a connection the the dictionary server has been established. | |||
612 | * If @client is %NULL, the default client name will be used. | |||
613 | */ | |||
614 | void | |||
615 | gdict_client_context_set_client (GdictClientContext *context, | |||
616 | const gchar *client) | |||
617 | { | |||
618 | g_return_if_fail (GDICT_IS_CLIENT_CONTEXT (context))do{ (void)0; }while (0); | |||
619 | ||||
620 | g_object_set (G_OBJECT (context)((((GObject*) (void *) ((context))))), | |||
621 | "client-name", (client != NULL((void*)0) ? client : GDICT_DEFAULT_CLIENT"CAFE Dictionary (" "1.25.0" ")"), | |||
622 | NULL((void*)0)); | |||
623 | } | |||
624 | ||||
625 | /** | |||
626 | * gdict_client_context_get_client: | |||
627 | * @context: a #GdictClientContext | |||
628 | * | |||
629 | * Gets the client name used by @context. See gdict_client_context_set_client(). | |||
630 | * | |||
631 | * Return value: the client name. The returned string is owned by the | |||
632 | * #GdictClientContext object and should never be modified or freed. | |||
633 | */ | |||
634 | const gchar * | |||
635 | gdict_client_context_get_client (GdictClientContext *context) | |||
636 | { | |||
637 | gchar *client_name; | |||
638 | ||||
639 | g_return_val_if_fail (GDICT_IS_CLIENT_CONTEXT (context), NULL)do{ (void)0; }while (0); | |||
640 | ||||
641 | g_object_get (G_OBJECT (context)((((GObject*) (void *) ((context))))), "client-name", &client_name, NULL((void*)0)); | |||
642 | ||||
643 | return client_name; | |||
644 | } | |||
645 | ||||
646 | /* creates a new command to be sent to the dictionary server */ | |||
647 | static GdictCommand * | |||
648 | gdict_command_new (GdictCommandType cmd_type) | |||
649 | { | |||
650 | GdictCommand *retval; | |||
651 | ||||
652 | g_assert (IS_VALID_CMD (cmd_type))do { (void) 0; } while (0); | |||
653 | ||||
654 | retval = g_slice_new0 (GdictCommand)((GdictCommand*) g_slice_alloc0 (sizeof (GdictCommand))); | |||
655 | ||||
656 | retval->cmd_type = cmd_type; | |||
657 | retval->state = S_START; | |||
658 | ||||
659 | return retval; | |||
660 | } | |||
661 | ||||
662 | static void | |||
663 | gdict_command_free (GdictCommand *cmd) | |||
664 | { | |||
665 | if (!cmd) | |||
666 | return; | |||
667 | ||||
668 | g_free (cmd->cmd_string); | |||
669 | ||||
670 | switch (cmd->cmd_type) | |||
671 | { | |||
672 | case CMD_CLIENT: | |||
673 | case CMD_QUIT: | |||
674 | break; | |||
675 | case CMD_SHOW_DB: | |||
676 | case CMD_SHOW_STRAT: | |||
677 | break; | |||
678 | case CMD_MATCH: | |||
679 | g_free (cmd->database); | |||
680 | g_free (cmd->strategy); | |||
681 | g_free (cmd->word); | |||
682 | break; | |||
683 | case CMD_DEFINE: | |||
684 | g_free (cmd->database); | |||
685 | g_free (cmd->word); | |||
686 | break; | |||
687 | default: | |||
688 | break; | |||
689 | } | |||
690 | ||||
691 | if (cmd->buffer) | |||
692 | g_string_free (cmd->buffer, TRUE)(__builtin_constant_p ((!(0))) ? (((!(0))) ? (g_string_free) ( (cmd->buffer), ((!(0)))) : g_string_free_and_steal (cmd-> buffer)) : (g_string_free) ((cmd->buffer), ((!(0))))); | |||
693 | ||||
694 | if (cmd->data_destroy) | |||
695 | cmd->data_destroy (cmd->data); | |||
696 | ||||
697 | g_slice_free (GdictCommand, cmd)do { if (1) g_slice_free1 (sizeof (GdictCommand), (cmd)); else (void) ((GdictCommand*) 0 == (cmd)); } while (0); | |||
698 | } | |||
699 | ||||
700 | /* push @command into the head of the commands queue; the command queue is | |||
701 | * a FIFO-like pipe: commands go into the head and are retrieved from the | |||
702 | * tail. | |||
703 | */ | |||
704 | static gboolean | |||
705 | gdict_client_context_push_command (GdictClientContext *context, | |||
706 | GdictCommand *command) | |||
707 | { | |||
708 | GdictClientContextPrivate *priv; | |||
709 | ||||
710 | g_assert (GDICT_IS_CLIENT_CONTEXT (context))do { (void) 0; } while (0); | |||
711 | g_assert (command != NULL)do { (void) 0; } while (0); | |||
712 | ||||
713 | priv = context->priv; | |||
714 | ||||
715 | /* avoid pushing a command twice */ | |||
716 | if (g_queue_find (priv->commands_queue, command)) | |||
717 | { | |||
718 | g_warning ("gdict_client_context_push_command() called on a command already in queue\n"); | |||
719 | return FALSE(0); | |||
720 | } | |||
721 | ||||
722 | GDICT_NOTE (DICT, "Pushing command ('%s') into the queue...", | |||
723 | dict_command_strings[command->cmd_type]); | |||
724 | ||||
725 | g_queue_push_head (priv->commands_queue, command); | |||
726 | ||||
727 | return TRUE(!(0)); | |||
728 | } | |||
729 | ||||
730 | static GdictCommand * | |||
731 | gdict_client_context_pop_command (GdictClientContext *context) | |||
732 | { | |||
733 | GdictClientContextPrivate *priv; | |||
734 | GdictCommand *retval; | |||
735 | ||||
736 | g_assert (GDICT_IS_CLIENT_CONTEXT (context))do { (void) 0; } while (0); | |||
737 | ||||
738 | priv = context->priv; | |||
739 | ||||
740 | retval = (GdictCommand *) g_queue_pop_tail (priv->commands_queue); | |||
741 | if (!retval) | |||
742 | return NULL((void*)0); | |||
743 | ||||
744 | GDICT_NOTE (DICT, "Getting command ('%s') from the queue...", | |||
745 | dict_command_strings[retval->cmd_type]); | |||
746 | ||||
747 | return retval; | |||
748 | } | |||
749 | ||||
750 | /* send @command on the wire */ | |||
751 | static gboolean | |||
752 | gdict_client_context_send_command (GdictClientContext *context, | |||
753 | GdictCommand *command, | |||
754 | GError **error) | |||
755 | { | |||
756 | GdictClientContextPrivate *priv; | |||
757 | GError *write_error; | |||
758 | gsize written_bytes; | |||
759 | GIOStatus res; | |||
760 | ||||
761 | g_assert (GDICT_IS_CLIENT_CONTEXT (context))do { (void) 0; } while (0); | |||
762 | g_assert (command != NULL && command->cmd_string != NULL)do { (void) 0; } while (0); | |||
763 | ||||
764 | priv = context->priv; | |||
765 | ||||
766 | if (!priv->channel) | |||
767 | { | |||
768 | GDICT_NOTE (DICT, "No connection established"); | |||
769 | ||||
770 | g_set_error (error, GDICT_CLIENT_CONTEXT_ERROR(gdict_client_context_error_quark ()), | |||
771 | GDICT_CLIENT_CONTEXT_ERROR_NO_CONNECTION, | |||
772 | _("No connection to the dictionary server at '%s:%d'")((char *) g_dgettext ("cafe-utils", "No connection to the dictionary server at '%s:%d'" )), | |||
773 | priv->hostname, | |||
774 | priv->port); | |||
775 | ||||
776 | return FALSE(0); | |||
777 | } | |||
778 | ||||
779 | write_error = NULL((void*)0); | |||
780 | res = g_io_channel_write_chars (priv->channel, | |||
781 | command->cmd_string, | |||
782 | -1, | |||
783 | &written_bytes, | |||
784 | &write_error); | |||
785 | if (res != G_IO_STATUS_NORMAL) | |||
786 | { | |||
787 | g_propagate_error (error, write_error); | |||
788 | ||||
789 | return FALSE(0); | |||
790 | } | |||
791 | ||||
792 | /* force flushing of the write buffer */ | |||
793 | g_io_channel_flush (priv->channel, NULL((void*)0)); | |||
794 | ||||
795 | GDICT_NOTE (DICT, "Wrote %"G_GSIZE_FORMAT" bytes to the channel", written_bytes); | |||
796 | ||||
797 | return TRUE(!(0)); | |||
798 | } | |||
799 | ||||
800 | /* gdict_client_context_run_command: runs @command inside @context; this | |||
801 | * function builds the command string and then passes it to the dictionary | |||
802 | * server. | |||
803 | */ | |||
804 | static gboolean | |||
805 | gdict_client_context_run_command (GdictClientContext *context, | |||
806 | GdictCommand *command, | |||
807 | GError **error) | |||
808 | { | |||
809 | GdictClientContextPrivate *priv; | |||
810 | gchar *payload; | |||
811 | GError *send_error; | |||
812 | gboolean res; | |||
813 | ||||
814 | g_assert (GDICT_IS_CLIENT_CONTEXT (context))do { (void) 0; } while (0); | |||
815 | g_assert (command != NULL)do { (void) 0; } while (0); | |||
816 | g_assert (IS_VALID_CMD (command->cmd_type))do { (void) 0; } while (0); | |||
817 | ||||
818 | GDICT_NOTE (DICT, "GdictCommand command =\n" | |||
819 | "{\n" | |||
820 | " .cmd_type = '%02d' ('%s');\n" | |||
821 | " .database = '%s';\n" | |||
822 | " .strategy = '%s';\n" | |||
823 | " .word = '%s';\n" | |||
824 | "}\n", | |||
825 | command->cmd_type, dict_command_strings[command->cmd_type], | |||
826 | command->database ? command->database : "<none>", | |||
827 | command->strategy ? command->strategy : "<none>", | |||
828 | command->word ? command->word : "<none>"); | |||
829 | ||||
830 | priv = context->priv; | |||
831 | ||||
832 | g_assert (priv->command == NULL)do { (void) 0; } while (0); | |||
833 | ||||
834 | priv->command = command; | |||
835 | ||||
836 | /* build the command string to be sent to the server */ | |||
837 | switch (command->cmd_type) | |||
838 | { | |||
839 | case CMD_CLIENT: | |||
840 | payload = g_shell_quote (priv->client_name); | |||
841 | command->cmd_string = g_strdup_printf ("%s %s\r\n", | |||
842 | dict_command_strings[CMD_CLIENT], | |||
843 | payload); | |||
844 | g_free (payload); | |||
845 | break; | |||
846 | case CMD_QUIT: | |||
847 | command->cmd_string = g_strdup_printf ("%s\r\n", | |||
848 | dict_command_strings[CMD_QUIT]); | |||
849 | break; | |||
850 | case CMD_SHOW_DB: | |||
851 | command->cmd_string = g_strdup_printf ("%s\r\n", | |||
852 | dict_command_strings[CMD_SHOW_DB]); | |||
853 | break; | |||
854 | case CMD_SHOW_STRAT: | |||
855 | command->cmd_string = g_strdup_printf ("%s\r\n", | |||
856 | dict_command_strings[CMD_SHOW_STRAT]); | |||
857 | break; | |||
858 | case CMD_MATCH: | |||
859 | g_assert (command->word)do { (void) 0; } while (0); | |||
860 | payload = g_shell_quote (command->word); | |||
861 | command->cmd_string = g_strdup_printf ("%s %s %s %s\r\n", | |||
862 | dict_command_strings[CMD_MATCH], | |||
863 | (command->database != NULL((void*)0) ? command->database : "!"), | |||
864 | (command->strategy != NULL((void*)0) ? command->strategy : "*"), | |||
865 | payload); | |||
866 | g_free (payload); | |||
867 | break; | |||
868 | case CMD_DEFINE: | |||
869 | g_assert (command->word)do { (void) 0; } while (0); | |||
870 | payload = g_shell_quote (command->word); | |||
871 | command->cmd_string = g_strdup_printf ("%s %s %s\r\n", | |||
872 | dict_command_strings[CMD_DEFINE], | |||
873 | (command->database != NULL((void*)0) ? command->database : "!"), | |||
874 | payload); | |||
875 | g_free (payload); | |||
876 | break; | |||
877 | default: | |||
878 | g_assert_not_reached ()do { (void) 0; __builtin_unreachable (); } while (0); | |||
879 | break; | |||
880 | } | |||
881 | ||||
882 | g_assert (command->cmd_string)do { (void) 0; } while (0); | |||
883 | ||||
884 | GDICT_NOTE (DICT, "Sending command ('%s') to the server", | |||
885 | dict_command_strings[command->cmd_type]); | |||
886 | ||||
887 | send_error = NULL((void*)0); | |||
888 | res = gdict_client_context_send_command (context, command, &send_error); | |||
889 | if (!res) | |||
890 | { | |||
891 | g_propagate_error (error, send_error); | |||
892 | ||||
893 | return FALSE(0); | |||
894 | } | |||
895 | ||||
896 | return TRUE(!(0)); | |||
897 | } | |||
898 | ||||
899 | /* we use this signal to advertise ourselves to the dictionary server */ | |||
900 | static void | |||
901 | gdict_client_context_real_connected (GdictClientContext *context) | |||
902 | { | |||
903 | GdictCommand *cmd; | |||
904 | ||||
905 | cmd = gdict_command_new (CMD_CLIENT); | |||
906 | cmd->state = S_FINISH; | |||
907 | ||||
908 | /* the CLIENT command should be the first one in our queue, so we place | |||
909 | * it above all other commands the user might have issued between the | |||
910 | * first and the emission of the "connected" signal, by calling it | |||
911 | * directely. | |||
912 | */ | |||
913 | gdict_client_context_run_command (context, cmd, NULL((void*)0)); | |||
914 | } | |||
915 | ||||
916 | static void | |||
917 | clear_command_queue (GdictClientContext *context) | |||
918 | { | |||
919 | GdictClientContextPrivate *priv = context->priv; | |||
920 | ||||
921 | if (priv->commands_queue) | |||
922 | { | |||
923 | g_queue_free_full (priv->commands_queue, | |||
924 | (GDestroyNotify) gdict_command_free); | |||
925 | } | |||
926 | ||||
927 | /* renew */ | |||
928 | priv->commands_queue = g_queue_new (); | |||
929 | } | |||
930 | ||||
931 | /* force a disconnection from the server */ | |||
932 | static void | |||
933 | gdict_client_context_force_disconnect (GdictClientContext *context) | |||
934 | { | |||
935 | GdictClientContextPrivate *priv = context->priv; | |||
936 | ||||
937 | if (priv->timeout_id) | |||
938 | { | |||
939 | g_source_remove (priv->timeout_id); | |||
940 | priv->timeout_id = 0; | |||
941 | } | |||
942 | ||||
943 | if (priv->source_id) | |||
944 | { | |||
945 | g_source_remove (priv->source_id); | |||
946 | priv->source_id = 0; | |||
947 | } | |||
948 | ||||
949 | if (priv->channel) | |||
950 | { | |||
951 | g_io_channel_shutdown (priv->channel, TRUE(!(0)), NULL((void*)0)); | |||
952 | g_io_channel_unref (priv->channel); | |||
953 | ||||
954 | priv->channel = NULL((void*)0); | |||
955 | } | |||
956 | ||||
957 | if (priv->command) | |||
958 | { | |||
959 | gdict_command_free (priv->command); | |||
960 | priv->command = NULL((void*)0); | |||
961 | } | |||
962 | ||||
963 | clear_command_queue (context); | |||
964 | } | |||
965 | ||||
966 | static void | |||
967 | gdict_client_context_real_disconnected (GdictClientContext *context) | |||
968 | { | |||
969 | gdict_client_context_force_disconnect (context); | |||
970 | } | |||
971 | ||||
972 | /* clear the lookup data */ | |||
973 | static void | |||
974 | gdict_client_context_clear_hostinfo (GdictClientContext *context) | |||
975 | { | |||
976 | GdictClientContextPrivate *priv; | |||
977 | ||||
978 | g_assert (GDICT_IS_CLIENT_CONTEXT (context))do { (void) 0; } while (0); | |||
979 | ||||
980 | priv = context->priv; | |||
981 | ||||
982 | #ifdef ENABLE_IPV61 | |||
983 | if (!priv->host6info) | |||
984 | return; | |||
985 | #endif | |||
986 | ||||
987 | if (!priv->hostinfo) | |||
988 | return; | |||
989 | ||||
990 | #ifdef ENABLE_IPV61 | |||
991 | freeaddrinfo (priv->host6info); | |||
992 | #endif | |||
993 | priv->hostinfo = NULL((void*)0); | |||
994 | } | |||
995 | ||||
996 | /* gdict_client_context_lookup_server: perform an hostname lookup in order to | |||
997 | * connect to the dictionary server | |||
998 | */ | |||
999 | static gboolean | |||
1000 | gdict_client_context_lookup_server (GdictClientContext *context, | |||
1001 | GError **error) | |||
1002 | { | |||
1003 | GdictClientContextPrivate *priv; | |||
1004 | gboolean is_expired = FALSE(0); | |||
1005 | time_t now; | |||
1006 | ||||
1007 | g_assert (GDICT_IS_CLIENT_CONTEXT (context))do { (void) 0; } while (0); | |||
1008 | ||||
1009 | priv = context->priv; | |||
1010 | ||||
1011 | /* we need the hostname, at this point */ | |||
1012 | g_assert (priv->hostname != NULL)do { (void) 0; } while (0); | |||
1013 | ||||
1014 | time (&now); | |||
1015 | if (now >= (priv->last_lookup + HOSTNAME_LOOKUP_EXPIRE300)) | |||
1016 | is_expired = TRUE(!(0)); | |||
1017 | ||||
1018 | /* we already have resolved the hostname */ | |||
1019 | #ifdef ENABLE_IPV61 | |||
1020 | if (priv->host6info && !is_expired) | |||
1021 | return TRUE(!(0)); | |||
1022 | #endif | |||
1023 | ||||
1024 | if (priv->hostinfo && !is_expired) | |||
1025 | return TRUE(!(0)); | |||
1026 | ||||
1027 | /* clear any previously acquired lookup data */ | |||
1028 | gdict_client_context_clear_hostinfo (context); | |||
1029 | ||||
1030 | GDICT_NOTE (DICT, "Looking up hostname '%s'", priv->hostname); | |||
1031 | ||||
1032 | #ifdef ENABLE_IPV61 | |||
1033 | if (_gdict_has_ipv6 ()) | |||
1034 | { | |||
1035 | struct addrinfo hints, *res; | |||
1036 | ||||
1037 | GDICT_NOTE (DICT, "Hostname '%s' look-up (using IPv6)", priv->hostname); | |||
1038 | ||||
1039 | memset (&hints, 0, sizeof (hints)); | |||
1040 | hints.ai_socktype = SOCK_STREAMSOCK_STREAM; | |||
1041 | ||||
1042 | if (getaddrinfo (priv->hostname, NULL((void*)0), &hints, &(priv->host6info)) == 0) | |||
1043 | { | |||
1044 | for (res = priv->host6info; res; res = res->ai_next) | |||
1045 | if (res->ai_family == AF_INET610 || res->ai_family == AF_INET2) | |||
1046 | break; | |||
1047 | ||||
1048 | if (!res) | |||
1049 | { | |||
1050 | g_set_error (error, GDICT_CLIENT_CONTEXT_ERROR(gdict_client_context_error_quark ()), | |||
1051 | GDICT_CLIENT_CONTEXT_ERROR_LOOKUP, | |||
1052 | _("Lookup failed for hostname '%s': no suitable resources found")((char *) g_dgettext ("cafe-utils", "Lookup failed for hostname '%s': no suitable resources found" )), | |||
1053 | priv->hostname); | |||
1054 | ||||
1055 | return FALSE(0); | |||
1056 | } | |||
1057 | else | |||
1058 | { | |||
1059 | if (res->ai_family == AF_INET610) | |||
1060 | memcpy (&((struct sockaddr_in6 *) &priv->sockaddr)->sin6_addr, | |||
1061 | &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, | |||
1062 | sizeof (struct in6_addr)); | |||
1063 | ||||
1064 | if (res->ai_family == AF_INET2) | |||
1065 | memcpy (&((struct sockaddr_in *) &priv->sockaddr)->sin_addr, | |||
1066 | &((struct sockaddr_in *) res->ai_addr)->sin_addr, | |||
1067 | sizeof (struct in_addr)); | |||
1068 | ||||
1069 | priv->sockaddr.ss_family = res->ai_family; | |||
1070 | ||||
1071 | GDICT_NOTE (DICT, "Hostname '%s' found (using IPv6)", | |||
1072 | priv->hostname); | |||
1073 | ||||
1074 | priv->last_lookup = time (NULL((void*)0)); | |||
1075 | ||||
1076 | return TRUE(!(0)); | |||
1077 | } | |||
1078 | } | |||
1079 | else | |||
1080 | { | |||
1081 | g_set_error (error, GDICT_CLIENT_CONTEXT_ERROR(gdict_client_context_error_quark ()), | |||
1082 | GDICT_CLIENT_CONTEXT_ERROR_LOOKUP, | |||
1083 | _("Lookup failed for host '%s': %s")((char *) g_dgettext ("cafe-utils", "Lookup failed for host '%s': %s" )), | |||
1084 | priv->hostname, | |||
1085 | gai_strerror (errno(*__errno_location ()))); | |||
1086 | ||||
1087 | return FALSE(0); | |||
1088 | } | |||
1089 | } | |||
1090 | else | |||
1091 | { | |||
1092 | #endif /* ENABLE_IPV6 */ | |||
1093 | /* if we don't support IPv6, fallback to usual IPv4 lookup */ | |||
1094 | ||||
1095 | GDICT_NOTE (DICT, "Hostname '%s' look-up (using IPv4)", priv->hostname); | |||
1096 | ||||
1097 | ((struct sockaddr_in *) &priv->sockaddr)->sin_family = AF_INET2; | |||
1098 | ||||
1099 | priv->hostinfo = gethostbyname (priv->hostname); | |||
1100 | if (priv->hostinfo) | |||
1101 | { | |||
1102 | memcpy (&((struct sockaddr_in *) &(priv->sockaddr))->sin_addr, | |||
1103 | priv->hostinfo->h_addrh_addr_list[0], | |||
1104 | priv->hostinfo->h_length); | |||
1105 | ||||
1106 | GDICT_NOTE (DICT, "Hostname '%s' found (using IPv4)", | |||
1107 | priv->hostname); | |||
1108 | ||||
1109 | priv->last_lookup = time (NULL((void*)0)); | |||
1110 | ||||
1111 | return TRUE(!(0)); | |||
1112 | } | |||
1113 | else | |||
1114 | { | |||
1115 | g_set_error (error, GDICT_CLIENT_CONTEXT_ERROR(gdict_client_context_error_quark ()), | |||
1116 | GDICT_CLIENT_CONTEXT_ERROR_LOOKUP, | |||
1117 | _("Lookup failed for host '%s': host not found")((char *) g_dgettext ("cafe-utils", "Lookup failed for host '%s': host not found" )), | |||
1118 | priv->hostname); | |||
1119 | ||||
1120 | return FALSE(0); | |||
1121 | } | |||
1122 | #ifdef ENABLE_IPV61 | |||
1123 | } | |||
1124 | #endif | |||
1125 | ||||
1126 | g_assert_not_reached ()do { (void) 0; __builtin_unreachable (); } while (0); | |||
1127 | ||||
1128 | return FALSE(0); | |||
1129 | } | |||
1130 | ||||
1131 | /* gdict_client_context_parse_line: parses a line from the dictionary server | |||
1132 | * this is the core of the RFC2229 protocol implementation, here's where | |||
1133 | * the magic happens. | |||
1134 | */ | |||
1135 | static gboolean | |||
1136 | gdict_client_context_parse_line (GdictClientContext *context, | |||
1137 | const gchar *buffer) | |||
1138 | { | |||
1139 | GdictClientContextPrivate *priv; | |||
1140 | GError *server_error = NULL((void*)0); | |||
1141 | ||||
1142 | g_assert (GDICT_IS_CLIENT_CONTEXT (context))do { (void) 0; } while (0); | |||
| ||||
1143 | g_assert (buffer != NULL)do { (void) 0; } while (0); | |||
1144 | ||||
1145 | priv = context->priv; | |||
1146 | ||||
1147 | GDICT_NOTE (DICT, "parse buffer: '%s'", buffer); | |||
1148 | ||||
1149 | /* connection is a special case: we don't have a command, so we just | |||
1150 | * make sure that the server replied with the correct code. WARNING: | |||
1151 | * the server might be shutting down or not available, so we must | |||
1152 | * take into account those responses too! | |||
1153 | */ | |||
1154 | if (!priv->command) | |||
1155 | { | |||
1156 | if (priv->status_code == GDICT_STATUS_CONNECT) | |||
1157 | { | |||
1158 | /* the server accepts our connection */ | |||
1159 | g_signal_emit (context, gdict_client_context_signals[CONNECTED], 0); | |||
1160 | ||||
1161 | return TRUE(!(0)); | |||
1162 | } | |||
1163 | else if ((priv->status_code == GDICT_STATUS_SERVER_DOWN) || | |||
1164 | (priv->status_code == GDICT_STATUS_SHUTDOWN)) | |||
1165 | { | |||
1166 | /* the server is shutting down or is not available */ | |||
1167 | g_set_error (&server_error, GDICT_CLIENT_CONTEXT_ERROR(gdict_client_context_error_quark ()), | |||
1168 | GDICT_CLIENT_CONTEXT_ERROR_SERVER_DOWN, | |||
1169 | _("Unable to connect to the dictionary server "((char *) g_dgettext ("cafe-utils", "Unable to connect to the dictionary server " "at '%s:%d'. The server replied with " "code %d (server down)" )) | |||
1170 | "at '%s:%d'. The server replied with "((char *) g_dgettext ("cafe-utils", "Unable to connect to the dictionary server " "at '%s:%d'. The server replied with " "code %d (server down)" )) | |||
1171 | "code %d (server down)")((char *) g_dgettext ("cafe-utils", "Unable to connect to the dictionary server " "at '%s:%d'. The server replied with " "code %d (server down)" )), | |||
1172 | priv->hostname, | |||
1173 | priv->port, | |||
1174 | priv->status_code); | |||
1175 | ||||
1176 | g_signal_emit_by_name (context, "error", server_error); | |||
1177 | ||||
1178 | g_error_free (server_error); | |||
1179 | ||||
1180 | return TRUE(!(0)); | |||
1181 | } | |||
1182 | else | |||
1183 | { | |||
1184 | GError *parse_error = NULL((void*)0); | |||
1185 | ||||
1186 | g_set_error (&parse_error, GDICT_CONTEXT_ERROR(gdict_context_error_quark ()), | |||
1187 | GDICT_CONTEXT_ERROR_PARSE, | |||
1188 | _("Unable to parse the dictionary server reply\n: '%s'")((char *) g_dgettext ("cafe-utils", "Unable to parse the dictionary server reply\n: '%s'" )), | |||
1189 | buffer); | |||
1190 | ||||
1191 | g_signal_emit_by_name (context, "error", parse_error); | |||
1192 | ||||
1193 | g_error_free (parse_error); | |||
1194 | ||||
1195 | return FALSE(0); | |||
1196 | } | |||
1197 | } | |||
1198 | ||||
1199 | /* disconnection is another special case: the server replies with code | |||
1200 | * 221, and closes the connection; we emit the "disconnected" signal | |||
1201 | * and close the connection on our side. | |||
1202 | */ | |||
1203 | if (priv->status_code == GDICT_STATUS_QUIT) | |||
1204 | { | |||
1205 | g_signal_emit (context, gdict_client_context_signals[DISCONNECTED], 0); | |||
1206 | ||||
1207 | return TRUE(!(0)); | |||
1208 | } | |||
1209 | ||||
1210 | /* here we catch all the errors codes that the server might give us */ | |||
1211 | server_error = NULL((void*)0); | |||
1212 | switch (priv->status_code) | |||
1213 | { | |||
1214 | case GDICT_STATUS_NO_MATCH: | |||
1215 | g_set_error (&server_error, GDICT_CONTEXT_ERROR(gdict_context_error_quark ()), | |||
1216 | GDICT_CONTEXT_ERROR_NO_MATCH, | |||
1217 | _("No definitions found for '%s'")((char *) g_dgettext ("cafe-utils", "No definitions found for '%s'" )), | |||
1218 | priv->command->word); | |||
1219 | ||||
1220 | GDICT_NOTE (DICT, "No match: %s", server_error->message); | |||
1221 | ||||
1222 | g_signal_emit_by_name (context, "error", server_error); | |||
1223 | ||||
1224 | g_error_free (server_error); | |||
1225 | server_error = NULL((void*)0); | |||
1226 | ||||
1227 | priv->command->state = S_FINISH; | |||
1228 | break; | |||
1229 | case GDICT_STATUS_BAD_DATABASE: | |||
1230 | g_set_error (&server_error, GDICT_CONTEXT_ERROR(gdict_context_error_quark ()), | |||
1231 | GDICT_CONTEXT_ERROR_INVALID_DATABASE, | |||
1232 | _("Invalid database '%s'")((char *) g_dgettext ("cafe-utils", "Invalid database '%s'")), | |||
1233 | priv->command->database); | |||
1234 | ||||
1235 | GDICT_NOTE (DICT, "Bad DB: %s", server_error->message); | |||
1236 | ||||
1237 | g_signal_emit_by_name (context, "error", server_error); | |||
1238 | ||||
1239 | g_error_free (server_error); | |||
1240 | server_error = NULL((void*)0); | |||
1241 | ||||
1242 | priv->command->state = S_FINISH; | |||
1243 | break; | |||
1244 | case GDICT_STATUS_BAD_STRATEGY: | |||
1245 | g_set_error (&server_error, GDICT_CONTEXT_ERROR(gdict_context_error_quark ()), | |||
1246 | GDICT_CONTEXT_ERROR_INVALID_STRATEGY, | |||
1247 | _("Invalid strategy '%s'")((char *) g_dgettext ("cafe-utils", "Invalid strategy '%s'")), | |||
1248 | priv->command->strategy); | |||
1249 | ||||
1250 | GDICT_NOTE (DICT, "Bad strategy: %s", server_error->message); | |||
1251 | ||||
1252 | g_signal_emit_by_name (context, "error", server_error); | |||
1253 | ||||
1254 | g_error_free (server_error); | |||
1255 | server_error = NULL((void*)0); | |||
1256 | ||||
1257 | priv->command->state = S_FINISH; | |||
1258 | break; | |||
1259 | case GDICT_STATUS_BAD_COMMAND: | |||
1260 | g_set_error (&server_error, GDICT_CONTEXT_ERROR(gdict_context_error_quark ()), | |||
1261 | GDICT_CONTEXT_ERROR_INVALID_COMMAND, | |||
1262 | _("Bad command '%s'")((char *) g_dgettext ("cafe-utils", "Bad command '%s'")), | |||
1263 | dict_command_strings[priv->command->cmd_type]); | |||
1264 | ||||
1265 | GDICT_NOTE (DICT, "Bad command: %s", server_error->message); | |||
1266 | ||||
1267 | g_signal_emit_by_name (context, "error", server_error); | |||
1268 | ||||
1269 | g_error_free (server_error); | |||
1270 | server_error = NULL((void*)0); | |||
1271 | ||||
1272 | priv->command->state = S_FINISH; | |||
1273 | break; | |||
1274 | case GDICT_STATUS_BAD_PARAMETERS: | |||
1275 | g_set_error (&server_error, GDICT_CONTEXT_ERROR(gdict_context_error_quark ()), | |||
1276 | GDICT_CONTEXT_ERROR_INVALID_COMMAND, | |||
1277 | _("Bad parameters for command '%s'")((char *) g_dgettext ("cafe-utils", "Bad parameters for command '%s'" )), | |||
1278 | dict_command_strings[priv->command->cmd_type]); | |||
1279 | ||||
1280 | GDICT_NOTE (DICT, "Bad params: %s", server_error->message); | |||
1281 | ||||
1282 | g_signal_emit_by_name (context, "error", server_error); | |||
1283 | ||||
1284 | g_error_free (server_error); | |||
1285 | server_error = NULL((void*)0); | |||
1286 | ||||
1287 | priv->command->state = S_FINISH; | |||
1288 | break; | |||
1289 | case GDICT_STATUS_NO_DATABASES_PRESENT: | |||
1290 | g_set_error (&server_error, GDICT_CONTEXT_ERROR(gdict_context_error_quark ()), | |||
1291 | GDICT_CONTEXT_ERROR_NO_DATABASES, | |||
1292 | _("No databases found on dictionary server at '%s'")((char *) g_dgettext ("cafe-utils", "No databases found on dictionary server at '%s'" )), | |||
1293 | priv->hostname); | |||
1294 | ||||
1295 | GDICT_NOTE (DICT, "No DB: %s", server_error->message); | |||
1296 | ||||
1297 | g_signal_emit_by_name (context, "error", server_error); | |||
1298 | ||||
1299 | g_error_free (server_error); | |||
1300 | server_error = NULL((void*)0); | |||
1301 | ||||
1302 | priv->command->state = S_FINISH; | |||
1303 | break; | |||
1304 | case GDICT_STATUS_NO_STRATEGIES_PRESENT: | |||
1305 | g_set_error (&server_error, GDICT_CONTEXT_ERROR(gdict_context_error_quark ()), | |||
1306 | GDICT_CONTEXT_ERROR_NO_STRATEGIES, | |||
1307 | _("No strategies found on dictionary server at '%s'")((char *) g_dgettext ("cafe-utils", "No strategies found on dictionary server at '%s'" )), | |||
1308 | priv->hostname); | |||
1309 | ||||
1310 | GDICT_NOTE (DICT, "No strategies: %s", server_error->message); | |||
1311 | ||||
1312 | g_signal_emit_by_name (context, "error", server_error); | |||
1313 | ||||
1314 | g_error_free (server_error); | |||
1315 | server_error = NULL((void*)0); | |||
1316 | ||||
1317 | priv->command->state = S_FINISH; | |||
1318 | break; | |||
1319 | default: | |||
1320 | GDICT_NOTE (DICT, "non-error code: %d", priv->status_code); | |||
1321 | break; | |||
1322 | } | |||
1323 | ||||
1324 | /* server replied with 'ok' or the command has reached its FINISH state, | |||
1325 | * so now we are clear for destroying the current command and check if | |||
1326 | * there are other commands on the queue, and run them. | |||
1327 | */ | |||
1328 | if ((priv->status_code == GDICT_STATUS_OK) || | |||
1329 | (priv->command->state == S_FINISH)) | |||
1330 | { | |||
1331 | GdictCommand *new_command; | |||
1332 | GError *run_error; | |||
1333 | GdictCommandType last_cmd; | |||
1334 | ||||
1335 | last_cmd = priv->command->cmd_type; | |||
1336 | ||||
1337 | gdict_command_free (priv->command); | |||
1338 | priv->command = NULL((void*)0); | |||
1339 | ||||
1340 | /* notify the end of a command - ignore CLIENT and QUIT commands, as | |||
1341 | * we issue them ourselves | |||
1342 | */ | |||
1343 | if ((last_cmd != CMD_CLIENT) && (last_cmd != CMD_QUIT)) | |||
1344 | g_signal_emit_by_name (context, "lookup-end"); | |||
1345 | ||||
1346 | /* pop the next command from the queue */ | |||
1347 | new_command = gdict_client_context_pop_command (context); | |||
1348 | if (!new_command) | |||
1349 | { | |||
1350 | /* if the queue is empty, quit */ | |||
1351 | gdict_client_context_disconnect (context); | |||
1352 | new_command = gdict_client_context_pop_command (context); | |||
1353 | } | |||
1354 | ||||
1355 | run_error = NULL((void*)0); | |||
1356 | gdict_client_context_run_command (context, new_command, &run_error); | |||
1357 | if (run_error) | |||
1358 | { | |||
1359 | g_signal_emit_by_name (context, "error", run_error); | |||
1360 | ||||
1361 | g_error_free (run_error); | |||
1362 | } | |||
1363 | ||||
1364 | return TRUE(!(0)); | |||
1365 | } | |||
1366 | ||||
1367 | GDICT_NOTE (DICT, "check command %d ('%s')[state:%d]", | |||
1368 | priv->command->cmd_type, | |||
1369 | dict_command_strings[priv->command->cmd_type], | |||
1370 | priv->command->state); | |||
1371 | ||||
1372 | /* check command type */ | |||
1373 | switch (priv->command->cmd_type) | |||
1374 | { | |||
1375 | case CMD_CLIENT: | |||
1376 | case CMD_QUIT: | |||
1377 | break; | |||
1378 | case CMD_SHOW_DB: | |||
1379 | if (priv->status_code == GDICT_STATUS_N_DATABASES_PRESENT) | |||
1380 | { | |||
1381 | gchar *p; | |||
1382 | ||||
1383 | priv->command->state = S_DATA; | |||
1384 | ||||
1385 | p = g_utf8_strchr (buffer, -1, ' '); | |||
1386 | if (p) | |||
1387 | p = g_utf8_next_char (p)(char *)((p) + g_utf8_skip[*(const guchar *)(p)]); | |||
1388 | ||||
1389 | GDICT_NOTE (DICT, "server replied: %d databases found", atoi (p)); | |||
1390 | } | |||
1391 | else if (0 == strcmp (buffer, ".")) | |||
1392 | priv->command->state = S_FINISH; | |||
1393 | else | |||
1394 | { | |||
1395 | GdictDatabase *db; | |||
1396 | gchar *name, *full, *p; | |||
1397 | ||||
1398 | g_assert (priv->command->state == S_DATA)do { (void) 0; } while (0); | |||
1399 | ||||
1400 | /* first token: database name; | |||
1401 | * second token: database description; | |||
1402 | */ | |||
1403 | name = (gchar *) buffer; | |||
1404 | if (!name) | |||
1405 | break; | |||
1406 | ||||
1407 | p = g_utf8_strchr (name, -1, ' '); | |||
1408 | if (p) | |||
1409 | *p = '\0'; | |||
1410 | ||||
1411 | full = g_utf8_next_char (p)(char *)((p) + g_utf8_skip[*(const guchar *)(p)]); | |||
1412 | ||||
1413 | if (full[0] == '\"') | |||
1414 | full = g_utf8_next_char (full)(char *)((full) + g_utf8_skip[*(const guchar *)(full)]); | |||
1415 | ||||
1416 | p = g_utf8_strchr (full, -1, '\"'); | |||
1417 | if (p) | |||
1418 | *p = '\0'; | |||
1419 | ||||
1420 | db = _gdict_database_new (name); | |||
1421 | db->full_name = g_strdup (full)g_strdup_inline (full); | |||
1422 | ||||
1423 | g_signal_emit_by_name (context, "database-found", db); | |||
1424 | ||||
1425 | gdict_database_unref (db); | |||
1426 | } | |||
1427 | break; | |||
1428 | case CMD_SHOW_STRAT: | |||
1429 | if (priv->status_code == GDICT_STATUS_N_STRATEGIES_PRESENT) | |||
1430 | { | |||
1431 | gchar *p; | |||
1432 | ||||
1433 | priv->command->state = S_DATA; | |||
1434 | ||||
1435 | p = g_utf8_strchr (buffer, -1, ' '); | |||
1436 | if (p) | |||
1437 | p = g_utf8_next_char (p)(char *)((p) + g_utf8_skip[*(const guchar *)(p)]); | |||
1438 | ||||
1439 | GDICT_NOTE (DICT, "server replied: %d strategies found", atoi (p)); | |||
1440 | } | |||
1441 | else if (0 == strcmp (buffer, ".")) | |||
1442 | priv->command->state = S_FINISH; | |||
1443 | else | |||
1444 | { | |||
1445 | GdictStrategy *strat; | |||
1446 | gchar *name, *desc, *p; | |||
1447 | ||||
1448 | g_assert (priv->command->state == S_DATA)do { (void) 0; } while (0); | |||
1449 | ||||
1450 | name = (gchar *) buffer; | |||
1451 | if (!name) | |||
1452 | break; | |||
1453 | ||||
1454 | p = g_utf8_strchr (name, -1, ' '); | |||
1455 | if (p) | |||
1456 | *p = '\0'; | |||
1457 | ||||
1458 | desc = g_utf8_next_char (p)(char *)((p) + g_utf8_skip[*(const guchar *)(p)]); | |||
1459 | ||||
1460 | if (desc[0] == '\"') | |||
1461 | desc = g_utf8_next_char (desc)(char *)((desc) + g_utf8_skip[*(const guchar *)(desc)]); | |||
1462 | ||||
1463 | p = g_utf8_strchr (desc, -1, '\"'); | |||
1464 | if (p) | |||
1465 | *p = '\0'; | |||
1466 | ||||
1467 | strat = _gdict_strategy_new (name); | |||
1468 | strat->description = g_strdup (desc)g_strdup_inline (desc); | |||
1469 | ||||
1470 | g_signal_emit_by_name (context, "strategy-found", strat); | |||
1471 | ||||
1472 | gdict_strategy_unref (strat); | |||
1473 | } | |||
1474 | break; | |||
1475 | case CMD_DEFINE: | |||
1476 | if (priv->status_code == GDICT_STATUS_N_DEFINITIONS_RETRIEVED) | |||
1477 | { | |||
1478 | GdictDefinition *def; | |||
1479 | gchar *p; | |||
1480 | ||||
1481 | priv->command->state = S_STATUS; | |||
1482 | ||||
1483 | p = g_utf8_strchr (buffer, -1, ' '); | |||
1484 | if (p) | |||
1485 | p = g_utf8_next_char (p)(char *)((p) + g_utf8_skip[*(const guchar *)(p)]); | |||
1486 | ||||
1487 | GDICT_NOTE (DICT, "server replied: %d definitions found", atoi (p)); | |||
1488 | ||||
1489 | def = _gdict_definition_new (atoi (p)); | |||
1490 | ||||
1491 | priv->command->data = def; | |||
1492 | priv->command->data_destroy = (GDestroyNotify) gdict_definition_unref; | |||
1493 | } | |||
1494 | else if (priv->status_code == GDICT_STATUS_WORD_DB_NAME) | |||
1495 | { | |||
1496 | GdictDefinition *def; | |||
1497 | gchar *word, *db_name, *db_full, *p; | |||
1498 | ||||
1499 | word = (gchar *) buffer; | |||
1500 | ||||
1501 | /* skip the status code */ | |||
1502 | word = g_utf8_strchr (word, -1, ' '); | |||
1503 | word = g_utf8_next_char (word)(char *)((word) + g_utf8_skip[*(const guchar *)(word)]); | |||
1504 | ||||
1505 | if (word[0] == '\"') | |||
1506 | word = g_utf8_next_char (word)(char *)((word) + g_utf8_skip[*(const guchar *)(word)]); | |||
1507 | ||||
1508 | p = g_utf8_strchr (word, -1, '\"'); | |||
1509 | if (p) | |||
1510 | *p = '\0'; | |||
1511 | ||||
1512 | p = g_utf8_next_char (p)(char *)((p) + g_utf8_skip[*(const guchar *)(p)]); | |||
1513 | ||||
1514 | /* the database name is not protected by "" */ | |||
1515 | db_name = g_utf8_next_char (p)(char *)((p) + g_utf8_skip[*(const guchar *)(p)]); | |||
1516 | if (!db_name) | |||
1517 | break; | |||
1518 | ||||
1519 | p = g_utf8_strchr (db_name, -1, ' '); | |||
1520 | if (p) | |||
1521 | *p = '\0'; | |||
1522 | ||||
1523 | p = g_utf8_next_char (p)(char *)((p) + g_utf8_skip[*(const guchar *)(p)]); | |||
1524 | ||||
1525 | db_full = g_utf8_next_char (p)(char *)((p) + g_utf8_skip[*(const guchar *)(p)]); | |||
1526 | if (!db_full) | |||
1527 | break; | |||
1528 | ||||
1529 | if (db_full[0] == '\"') | |||
1530 | db_full = g_utf8_next_char (db_full)(char *)((db_full) + g_utf8_skip[*(const guchar *)(db_full)]); | |||
1531 | ||||
1532 | p = g_utf8_strchr (db_full, -1, '\"'); | |||
1533 | if (p) | |||
1534 | *p = '\0'; | |||
1535 | ||||
1536 | def = (GdictDefinition *) priv->command->data; | |||
1537 | ||||
1538 | GDICT_NOTE (DICT, "{ word = '%s', db_name = '%s', db_full = '%s' }", | |||
1539 | word, | |||
1540 | db_name, | |||
1541 | db_full); | |||
1542 | ||||
1543 | def->word = g_strdup (word)g_strdup_inline (word); | |||
1544 | def->database_name = g_strdup (db_name)g_strdup_inline (db_name); | |||
1545 | def->database_full = g_strdup (db_full)g_strdup_inline (db_full); | |||
1546 | def->definition = NULL((void*)0); | |||
1547 | ||||
1548 | priv->command->state = S_DATA; | |||
1549 | } | |||
1550 | else if (strcmp (buffer, ".") == 0) | |||
1551 | { | |||
1552 | GdictDefinition *def; | |||
1553 | gint num; | |||
1554 | ||||
1555 | g_assert (priv->command->state == S_DATA)do { (void) 0; } while (0); | |||
1556 | ||||
1557 | def = (GdictDefinition *) priv->command->data; | |||
1558 | if (!def) | |||
1559 | break; | |||
1560 | ||||
1561 | def->definition = g_string_free (priv->command->buffer, FALSE)(__builtin_constant_p ((0)) ? (((0)) ? (g_string_free) ((priv ->command->buffer), ((0))) : g_string_free_and_steal (priv ->command->buffer)) : (g_string_free) ((priv->command ->buffer), ((0)))); | |||
1562 | ||||
1563 | /* store the numer of definitions */ | |||
1564 | num = def->total; | |||
1565 | ||||
1566 | g_signal_emit_by_name (context, "definition-found", def); | |||
1567 | ||||
1568 | gdict_definition_unref (def); | |||
1569 | ||||
1570 | priv->command->buffer = NULL((void*)0); | |||
1571 | priv->command->data = _gdict_definition_new (num); | |||
1572 | ||||
1573 | priv->command->state = S_STATUS; | |||
1574 | } | |||
1575 | else | |||
1576 | { | |||
1577 | g_assert (priv->command->state == S_DATA)do { (void) 0; } while (0); | |||
1578 | ||||
1579 | if (!priv->command->buffer) | |||
1580 | priv->command->buffer = g_string_new (NULL((void*)0)); | |||
1581 | ||||
1582 | GDICT_NOTE (DICT, "appending to buffer:\n %s", buffer); | |||
1583 | ||||
1584 | /* TODO - collapse '..' to '.' */ | |||
1585 | g_string_append_printf (priv->command->buffer, "%s\n", buffer); | |||
1586 | } | |||
1587 | break; | |||
1588 | case CMD_MATCH: | |||
1589 | if (priv->status_code == GDICT_STATUS_N_MATCHES_FOUND) | |||
1590 | { | |||
1591 | gchar *p; | |||
1592 | ||||
1593 | priv->command->state = S_DATA; | |||
1594 | ||||
1595 | p = g_utf8_strchr (buffer, -1, ' '); | |||
1596 | if (p) | |||
1597 | p = g_utf8_next_char (p)(char *)((p) + g_utf8_skip[*(const guchar *)(p)]); | |||
1598 | ||||
1599 | GDICT_NOTE (DICT, "server replied: %d matches found", atoi (p)); | |||
1600 | } | |||
1601 | else if (0 == strcmp (buffer, ".")) | |||
1602 | priv->command->state = S_FINISH; | |||
1603 | else | |||
1604 | { | |||
1605 | GdictMatch *match; | |||
1606 | gchar *word, *db_name, *p; | |||
1607 | ||||
1608 | g_assert (priv->command->state == S_DATA)do { (void) 0; } while (0); | |||
1609 | ||||
1610 | db_name = (gchar *) buffer; | |||
1611 | if (!db_name
| |||
1612 | break; | |||
1613 | ||||
1614 | p = g_utf8_strchr (db_name, -1, ' '); | |||
1615 | if (p) | |||
1616 | *p = '\0'; | |||
1617 | ||||
1618 | word = g_utf8_next_char (p)(char *)((p) + g_utf8_skip[*(const guchar *)(p)]); | |||
| ||||
1619 | ||||
1620 | if (word[0] == '\"') | |||
1621 | word = g_utf8_next_char (word)(char *)((word) + g_utf8_skip[*(const guchar *)(word)]); | |||
1622 | ||||
1623 | p = g_utf8_strchr (word, -1, '\"'); | |||
1624 | if (p) | |||
1625 | *p = '\0'; | |||
1626 | ||||
1627 | match = _gdict_match_new (word); | |||
1628 | match->database = g_strdup (db_name)g_strdup_inline (db_name); | |||
1629 | ||||
1630 | g_signal_emit_by_name (context, "match-found", match); | |||
1631 | ||||
1632 | gdict_match_unref (match); | |||
1633 | } | |||
1634 | break; | |||
1635 | default: | |||
1636 | g_assert_not_reached ()do { (void) 0; __builtin_unreachable (); } while (0); | |||
1637 | break; | |||
1638 | } | |||
1639 | ||||
1640 | return TRUE(!(0)); | |||
1641 | } | |||
1642 | ||||
1643 | /* retrieve the status code from the server response line */ | |||
1644 | static gint | |||
1645 | get_status_code (const gchar *line, | |||
1646 | gint old_status) | |||
1647 | { | |||
1648 | gchar *status; | |||
1649 | gint possible_status, retval; | |||
1650 | ||||
1651 | if (strlen (line) < 3) | |||
1652 | return 0; | |||
1653 | ||||
1654 | if (!g_unichar_isdigit (line[0]) || | |||
1655 | !g_unichar_isdigit (line[1]) || | |||
1656 | !g_unichar_isdigit (line[2])) | |||
1657 | return 0; | |||
1658 | ||||
1659 | if (!g_unichar_isspace (line[3])) | |||
1660 | return 0; | |||
1661 | ||||
1662 | status = g_strndup (line, 3); | |||
1663 | possible_status = atoi (status); | |||
1664 | g_free (status); | |||
1665 | ||||
1666 | /* status whitelisting: sometimes, a database *cough* moby-thes *cough* | |||
1667 | * might return a number as first word; we do a small check here for | |||
1668 | * invalid status codes based on the previously set status; we don't check | |||
1669 | * the whole line, as we need only to be sure that the status code is | |||
1670 | * consistent with what we expect. | |||
1671 | */ | |||
1672 | switch (old_status) | |||
1673 | { | |||
1674 | case GDICT_STATUS_WORD_DB_NAME: | |||
1675 | case GDICT_STATUS_N_MATCHES_FOUND: | |||
1676 | if (possible_status == GDICT_STATUS_OK) | |||
1677 | retval = possible_status; | |||
1678 | else | |||
1679 | retval = 0; | |||
1680 | break; | |||
1681 | case GDICT_STATUS_N_DEFINITIONS_RETRIEVED: | |||
1682 | if (possible_status == GDICT_STATUS_WORD_DB_NAME) | |||
1683 | retval = possible_status; | |||
1684 | else | |||
1685 | retval = 0; | |||
1686 | break; | |||
1687 | default: | |||
1688 | retval = possible_status; | |||
1689 | break; | |||
1690 | } | |||
1691 | ||||
1692 | return retval; | |||
1693 | } | |||
1694 | ||||
1695 | static gboolean | |||
1696 | gdict_client_context_io_watch_cb (GIOChannel *channel, | |||
1697 | GIOCondition condition, | |||
1698 | GdictClientContext *context) | |||
1699 | { | |||
1700 | GdictClientContextPrivate *priv; | |||
1701 | ||||
1702 | g_assert (GDICT_IS_CLIENT_CONTEXT (context))do { (void) 0; } while (0); | |||
1703 | priv = context->priv; | |||
1704 | ||||
1705 | /* since this is an asynchronous channel, we might end up here | |||
1706 | * even though the channel has been shut down. | |||
1707 | */ | |||
1708 | if (!priv->channel) | |||
1709 | { | |||
1710 | g_warning ("No channel available\n"); | |||
1711 | ||||
1712 | return FALSE(0); | |||
1713 | } | |||
1714 | ||||
1715 | if (priv->is_connecting) | |||
1716 | { | |||
1717 | priv->is_connecting = FALSE(0); | |||
1718 | ||||
1719 | if (priv->timeout_id) | |||
1720 | { | |||
1721 | g_source_remove (priv->timeout_id); | |||
1722 | priv->timeout_id = 0; | |||
1723 | } | |||
1724 | } | |||
1725 | ||||
1726 | if (condition & G_IO_ERR) | |||
1727 | { | |||
1728 | GError *err = NULL((void*)0); | |||
1729 | ||||
1730 | g_set_error (&err, GDICT_CLIENT_CONTEXT_ERROR(gdict_client_context_error_quark ()), | |||
1731 | GDICT_CLIENT_CONTEXT_ERROR_SOCKET, | |||
1732 | _("Connection failed to the dictionary server at %s:%d")((char *) g_dgettext ("cafe-utils", "Connection failed to the dictionary server at %s:%d" )), | |||
1733 | priv->hostname, | |||
1734 | priv->port); | |||
1735 | ||||
1736 | g_signal_emit_by_name (context, "error", err); | |||
1737 | ||||
1738 | g_error_free (err); | |||
1739 | ||||
1740 | return FALSE(0); | |||
1741 | } | |||
1742 | ||||
1743 | while (1) | |||
1744 | { | |||
1745 | GIOStatus res; | |||
1746 | guint status_code; | |||
1747 | GError *read_err; | |||
1748 | gsize len, term; | |||
1749 | gchar *line; | |||
1750 | gboolean parse_res; | |||
1751 | ||||
1752 | /* we might sever the connection while still inside the read loop, | |||
1753 | * so we must check the state of the channel before actually doing | |||
1754 | * the line reading, otherwise we'll end up with death, destruction | |||
1755 | * and chaos on all earth. oh, and an assertion failed inside | |||
1756 | * g_io_channel_read_line(). | |||
1757 | */ | |||
1758 | if (!priv->channel) | |||
1759 | break; | |||
1760 | ||||
1761 | read_err = NULL((void*)0); | |||
1762 | res = g_io_channel_read_line (priv->channel, &line, &len, &term, &read_err); | |||
1763 | if (res == G_IO_STATUS_ERROR) | |||
1764 | { | |||
1765 | if (read_err) | |||
1766 | { | |||
1767 | GError *err = NULL((void*)0); | |||
1768 | ||||
1769 | g_set_error (&err, GDICT_CLIENT_CONTEXT_ERROR(gdict_client_context_error_quark ()), | |||
1770 | GDICT_CLIENT_CONTEXT_ERROR_SOCKET, | |||
1771 | _("Error while reading reply from server:\n%s")((char *) g_dgettext ("cafe-utils", "Error while reading reply from server:\n%s" )), | |||
1772 | read_err->message); | |||
1773 | ||||
1774 | g_signal_emit_by_name (context, "error", err); | |||
1775 | ||||
1776 | g_error_free (err); | |||
1777 | g_error_free (read_err); | |||
1778 | } | |||
1779 | ||||
1780 | gdict_client_context_force_disconnect (context); | |||
1781 | ||||
1782 | return FALSE(0); | |||
1783 | } | |||
1784 | ||||
1785 | if (len == 0) | |||
1786 | break; | |||
1787 | ||||
1788 | /* truncate the line terminator before parsing */ | |||
1789 | line[term] = '\0'; | |||
1790 | ||||
1791 | status_code = get_status_code (line, priv->status_code); | |||
1792 | if ((status_code == 0) || (GDICT_IS_VALID_STATUS_CODE (status_code)(((status_code) > GDICT_STATUS_INVALID) && ((status_code ) <= GDICT_STATUS_NO_STRATEGIES_PRESENT)))) | |||
1793 | { | |||
1794 | priv->status_code = status_code; | |||
1795 | ||||
1796 | GDICT_NOTE (DICT, "new status = '%d'", priv->status_code); | |||
1797 | } | |||
1798 | else | |||
1799 | priv->status_code = GDICT_STATUS_INVALID; | |||
1800 | ||||
1801 | /* notify changes only for valid status codes */ | |||
1802 | if (priv->status_code != GDICT_STATUS_INVALID) | |||
1803 | g_object_notify (G_OBJECT (context)((((GObject*) (void *) ((context))))), "status"); | |||
1804 | ||||
1805 | parse_res = gdict_client_context_parse_line (context, line); | |||
1806 | if (!parse_res) | |||
1807 | { | |||
1808 | g_free (line); | |||
1809 | ||||
1810 | g_warning ("Parsing failed"); | |||
1811 | ||||
1812 | gdict_client_context_force_disconnect (context); | |||
1813 | ||||
1814 | return FALSE(0); | |||
1815 | } | |||
1816 | ||||
1817 | g_free (line); | |||
1818 | } | |||
1819 | ||||
1820 | return TRUE(!(0)); | |||
1821 | } | |||
1822 | ||||
1823 | static gboolean | |||
1824 | check_for_connection (gpointer data) | |||
1825 | { | |||
1826 | GdictClientContext *context = data; | |||
1827 | ||||
1828 | #if 0 | |||
1829 | g_debug (G_STRLOC"./gdict-client-context.c" ":" "1829" ": checking for connection (is connecting:%s)", | |||
1830 | context->priv->is_connecting ? "true" : "false"); | |||
1831 | #endif | |||
1832 | ||||
1833 | if (context == NULL((void*)0)) | |||
1834 | return FALSE(0); | |||
1835 | ||||
1836 | if (context->priv->is_connecting) | |||
1837 | { | |||
1838 | GError *err = NULL((void*)0); | |||
1839 | ||||
1840 | GDICT_NOTE (DICT, "Forcing a disconnection due to timeout"); | |||
1841 | ||||
1842 | g_set_error (&err, GDICT_CLIENT_CONTEXT_ERROR(gdict_client_context_error_quark ()), | |||
1843 | GDICT_CLIENT_CONTEXT_ERROR_SOCKET, | |||
1844 | _("Connection timeout for the dictionary server at '%s:%d'")((char *) g_dgettext ("cafe-utils", "Connection timeout for the dictionary server at '%s:%d'" )), | |||
1845 | context->priv->hostname, | |||
1846 | context->priv->port); | |||
1847 | ||||
1848 | g_signal_emit_by_name (context, "error", err); | |||
1849 | ||||
1850 | g_error_free (err); | |||
1851 | ||||
1852 | gdict_client_context_force_disconnect (context); | |||
1853 | } | |||
1854 | ||||
1855 | /* this is a one-off operation */ | |||
1856 | return FALSE(0); | |||
1857 | } | |||
1858 | ||||
1859 | static gboolean | |||
1860 | gdict_client_context_connect (GdictClientContext *context, | |||
1861 | GError **error) | |||
1862 | { | |||
1863 | GdictClientContextPrivate *priv; | |||
1864 | GError *lookup_error, *flags_error; | |||
1865 | gboolean res; | |||
1866 | gint sock_fd, sock_res; | |||
1867 | gsize addrlen; | |||
1868 | GIOFlags flags; | |||
1869 | ||||
1870 | g_return_val_if_fail (GDICT_IS_CLIENT_CONTEXT (context), FALSE)do{ (void)0; }while (0); | |||
1871 | ||||
1872 | priv = context->priv; | |||
1873 | ||||
1874 | if (!priv->hostname) | |||
1875 | { | |||
1876 | g_set_error (error, GDICT_CLIENT_CONTEXT_ERROR(gdict_client_context_error_quark ()), | |||
1877 | GDICT_CLIENT_CONTEXT_ERROR_LOOKUP, | |||
1878 | _("No hostname defined for the dictionary server")((char *) g_dgettext ("cafe-utils", "No hostname defined for the dictionary server" ))); | |||
1879 | ||||
1880 | return FALSE(0); | |||
1881 | } | |||
1882 | ||||
1883 | /* forgive the absence of a port */ | |||
1884 | if (!priv->port) | |||
1885 | priv->port = GDICT_DEFAULT_PORT2628; | |||
1886 | ||||
1887 | priv->is_connecting = TRUE(!(0)); | |||
1888 | ||||
1889 | lookup_error = NULL((void*)0); | |||
1890 | res = gdict_client_context_lookup_server (context, &lookup_error); | |||
1891 | if (!res) | |||
1892 | { | |||
1893 | g_propagate_error (error, lookup_error); | |||
1894 | ||||
1895 | return FALSE(0); | |||
1896 | } | |||
1897 | ||||
1898 | #ifdef ENABLE_IPV61 | |||
1899 | if (priv->sockaddr.ss_family == AF_INET610) | |||
1900 | ((struct sockaddr_in6 *) &priv->sockaddr)->sin6_port = g_htons (priv->port)(((((guint16) ( (guint16) ((guint16) (priv->port) >> 8) | (guint16) ((guint16) (priv->port) << 8)))))); | |||
1901 | else | |||
1902 | #endif | |||
1903 | ((struct sockaddr_in *) &priv->sockaddr)->sin_port = g_htons (priv->port)(((((guint16) ( (guint16) ((guint16) (priv->port) >> 8) | (guint16) ((guint16) (priv->port) << 8)))))); | |||
1904 | ||||
1905 | ||||
1906 | #ifdef ENABLE_IPV61 | |||
1907 | if (priv->sockaddr.ss_family == AF_INET610) | |||
1908 | { | |||
1909 | sock_fd = socket (AF_INET610, SOCK_STREAMSOCK_STREAM, 0); | |||
1910 | if (sock_fd < 0) | |||
1911 | { | |||
1912 | g_set_error (error, GDICT_CLIENT_CONTEXT_ERROR(gdict_client_context_error_quark ()), | |||
1913 | GDICT_CLIENT_CONTEXT_ERROR_SOCKET, | |||
1914 | _("Unable to create socket")((char *) g_dgettext ("cafe-utils", "Unable to create socket" ))); | |||
1915 | ||||
1916 | return FALSE(0); | |||
1917 | } | |||
1918 | ||||
1919 | addrlen = sizeof (struct sockaddr_in6); | |||
1920 | } | |||
1921 | else | |||
1922 | { | |||
1923 | #endif /* ENABLE_IPV6 */ | |||
1924 | sock_fd = socket (AF_INET2, SOCK_STREAMSOCK_STREAM, 0); | |||
1925 | if (sock_fd < 0) | |||
1926 | { | |||
1927 | g_set_error (error, GDICT_CLIENT_CONTEXT_ERROR(gdict_client_context_error_quark ()), | |||
1928 | GDICT_CLIENT_CONTEXT_ERROR_SOCKET, | |||
1929 | _("Unable to create socket")((char *) g_dgettext ("cafe-utils", "Unable to create socket" ))); | |||
1930 | ||||
1931 | return FALSE(0); | |||
1932 | } | |||
1933 | ||||
1934 | addrlen = sizeof (struct sockaddr_in); | |||
1935 | #ifdef ENABLE_IPV61 | |||
1936 | } | |||
1937 | #endif | |||
1938 | ||||
1939 | priv->channel = g_io_channel_unix_new (sock_fd); | |||
1940 | ||||
1941 | /* RFC2229 mandates the usage of UTF-8, so we force this encoding */ | |||
1942 | g_io_channel_set_encoding (priv->channel, "UTF-8", NULL((void*)0)); | |||
1943 | ||||
1944 | g_io_channel_set_line_term (priv->channel, "\r\n", 2); | |||
1945 | ||||
1946 | /* make sure that the channel is non-blocking */ | |||
1947 | flags = g_io_channel_get_flags (priv->channel); | |||
1948 | flags |= G_IO_FLAG_NONBLOCK; | |||
1949 | flags_error = NULL((void*)0); | |||
1950 | g_io_channel_set_flags (priv->channel, flags, &flags_error); | |||
1951 | if (flags_error) | |||
1952 | { | |||
1953 | g_set_error (error, GDICT_CLIENT_CONTEXT_ERROR(gdict_client_context_error_quark ()), | |||
1954 | GDICT_CLIENT_CONTEXT_ERROR_SOCKET, | |||
1955 | _("Unable to set the channel as non-blocking: %s")((char *) g_dgettext ("cafe-utils", "Unable to set the channel as non-blocking: %s" )), | |||
1956 | flags_error->message); | |||
1957 | ||||
1958 | g_error_free (flags_error); | |||
1959 | g_io_channel_unref (priv->channel); | |||
1960 | ||||
1961 | return FALSE(0); | |||
1962 | } | |||
1963 | ||||
1964 | /* let the magic begin */ | |||
1965 | sock_res = connect (sock_fd, (struct sockaddr *) &priv->sockaddr, addrlen); | |||
1966 | if ((sock_res != 0) && (errno(*__errno_location ()) != EINPROGRESS115)) | |||
1967 | { | |||
1968 | g_set_error (error, GDICT_CLIENT_CONTEXT_ERROR(gdict_client_context_error_quark ()), | |||
1969 | GDICT_CLIENT_CONTEXT_ERROR_SOCKET, | |||
1970 | _("Unable to connect to the dictionary server at '%s:%d'")((char *) g_dgettext ("cafe-utils", "Unable to connect to the dictionary server at '%s:%d'" )), | |||
1971 | priv->hostname, | |||
1972 | priv->port); | |||
1973 | ||||
1974 | return FALSE(0); | |||
1975 | } | |||
1976 | ||||
1977 | priv->timeout_id = g_timeout_add_seconds (CONNECTION_TIMEOUT_SEC30, | |||
1978 | check_for_connection, | |||
1979 | context); | |||
1980 | ||||
1981 | /* XXX - remember that g_io_add_watch() increases the reference count | |||
1982 | * of the GIOChannel we are using. | |||
1983 | */ | |||
1984 | priv->source_id = g_io_add_watch (priv->channel, | |||
1985 | (G_IO_IN | G_IO_ERR), | |||
1986 | (GIOFunc) gdict_client_context_io_watch_cb, | |||
1987 | context); | |||
1988 | ||||
1989 | return TRUE(!(0)); | |||
1990 | } | |||
1991 | ||||
1992 | static void | |||
1993 | gdict_client_context_disconnect (GdictClientContext *context) | |||
1994 | { | |||
1995 | GdictCommand *cmd; | |||
1996 | ||||
1997 | g_return_if_fail (GDICT_IS_CLIENT_CONTEXT (context))do{ (void)0; }while (0); | |||
1998 | ||||
1999 | /* instead of just breaking the connection to the server, we push | |||
2000 | * a QUIT command on the queue, and wait for every other scheduled | |||
2001 | * command to perform; this allows the creation of a batch of | |||
2002 | * commands. | |||
2003 | */ | |||
2004 | cmd = gdict_command_new (CMD_QUIT); | |||
2005 | cmd->state = S_FINISH; | |||
2006 | ||||
2007 | gdict_client_context_push_command (context, cmd); | |||
2008 | } | |||
2009 | ||||
2010 | static gboolean | |||
2011 | gdict_client_context_is_connected (GdictClientContext *context) | |||
2012 | { | |||
2013 | g_assert (GDICT_IS_CLIENT_CONTEXT (context))do { (void) 0; } while (0); | |||
2014 | ||||
2015 | /* we are in the middle of a connection attempt */ | |||
2016 | if (context->priv->is_connecting) | |||
2017 | return TRUE(!(0)); | |||
2018 | ||||
2019 | return (context->priv->channel != NULL((void*)0) && context->priv->source_id != 0); | |||
2020 | } | |||
2021 | ||||
2022 | static gboolean | |||
2023 | gdict_client_context_get_databases (GdictContext *context, | |||
2024 | GError **error) | |||
2025 | { | |||
2026 | GdictClientContext *client_ctx; | |||
2027 | GdictCommand *cmd; | |||
2028 | ||||
2029 | g_return_val_if_fail (GDICT_IS_CLIENT_CONTEXT (context), FALSE)do{ (void)0; }while (0); | |||
2030 | ||||
2031 | client_ctx = GDICT_CLIENT_CONTEXT (context)((((GdictClientContext*) (void *) ((context))))); | |||
2032 | ||||
2033 | g_signal_emit_by_name (context, "lookup-start"); | |||
2034 | ||||
2035 | if (!gdict_client_context_is_connected (client_ctx)) | |||
2036 | { | |||
2037 | GError *connect_error = NULL((void*)0); | |||
2038 | ||||
2039 | gdict_client_context_connect (client_ctx, &connect_error); | |||
2040 | if (connect_error) | |||
2041 | { | |||
2042 | g_signal_emit_by_name (context, "lookup-end"); | |||
2043 | ||||
2044 | g_propagate_error (error, connect_error); | |||
2045 | ||||
2046 | return FALSE(0); | |||
2047 | } | |||
2048 | } | |||
2049 | ||||
2050 | cmd = gdict_command_new (CMD_SHOW_DB); | |||
2051 | ||||
2052 | return gdict_client_context_push_command (client_ctx, cmd); | |||
2053 | } | |||
2054 | ||||
2055 | static gboolean | |||
2056 | gdict_client_context_get_strategies (GdictContext *context, | |||
2057 | GError **error) | |||
2058 | { | |||
2059 | GdictClientContext *client_ctx; | |||
2060 | GdictCommand *cmd; | |||
2061 | ||||
2062 | g_return_val_if_fail (GDICT_IS_CLIENT_CONTEXT (context), FALSE)do{ (void)0; }while (0); | |||
2063 | ||||
2064 | client_ctx = GDICT_CLIENT_CONTEXT (context)((((GdictClientContext*) (void *) ((context))))); | |||
2065 | ||||
2066 | g_signal_emit_by_name (context, "lookup-start"); | |||
2067 | ||||
2068 | if (!gdict_client_context_is_connected (client_ctx)) | |||
2069 | { | |||
2070 | GError *connect_error = NULL((void*)0); | |||
2071 | ||||
2072 | gdict_client_context_connect (client_ctx, &connect_error); | |||
2073 | if (connect_error) | |||
2074 | { | |||
2075 | g_signal_emit_by_name (context, "lookup-end"); | |||
2076 | ||||
2077 | g_propagate_error (error, connect_error); | |||
2078 | ||||
2079 | return FALSE(0); | |||
2080 | } | |||
2081 | } | |||
2082 | ||||
2083 | cmd = gdict_command_new (CMD_SHOW_STRAT); | |||
2084 | ||||
2085 | return gdict_client_context_push_command (client_ctx, cmd); | |||
2086 | } | |||
2087 | ||||
2088 | static gboolean | |||
2089 | gdict_client_context_define_word (GdictContext *context, | |||
2090 | const gchar *database, | |||
2091 | const gchar *word, | |||
2092 | GError **error) | |||
2093 | { | |||
2094 | GdictClientContext *client_ctx; | |||
2095 | GdictCommand *cmd; | |||
2096 | ||||
2097 | g_return_val_if_fail (GDICT_IS_CLIENT_CONTEXT (context), FALSE)do{ (void)0; }while (0); | |||
2098 | ||||
2099 | client_ctx = GDICT_CLIENT_CONTEXT (context)((((GdictClientContext*) (void *) ((context))))); | |||
2100 | ||||
2101 | g_signal_emit_by_name (context, "lookup-start"); | |||
2102 | ||||
2103 | if (!gdict_client_context_is_connected (client_ctx)) | |||
2104 | { | |||
2105 | GError *connect_error = NULL((void*)0); | |||
2106 | ||||
2107 | gdict_client_context_connect (client_ctx, &connect_error); | |||
2108 | if (connect_error) | |||
2109 | { | |||
2110 | g_signal_emit_by_name (context, "lookup-end"); | |||
2111 | ||||
2112 | g_propagate_error (error, connect_error); | |||
2113 | ||||
2114 | return FALSE(0); | |||
2115 | } | |||
2116 | } | |||
2117 | ||||
2118 | cmd = gdict_command_new (CMD_DEFINE); | |||
2119 | cmd->database = g_strdup ((database != NULL ? database : GDICT_DEFAULT_DATABASE))g_strdup_inline ((database != ((void*)0) ? database : "*")); | |||
2120 | cmd->word = g_utf8_normalize (word, -1, G_NORMALIZE_NFC); | |||
2121 | ||||
2122 | return gdict_client_context_push_command (client_ctx, cmd); | |||
2123 | } | |||
2124 | ||||
2125 | static gboolean | |||
2126 | gdict_client_context_match_word (GdictContext *context, | |||
2127 | const gchar *database, | |||
2128 | const gchar *strategy, | |||
2129 | const gchar *word, | |||
2130 | GError **error) | |||
2131 | { | |||
2132 | GdictClientContext *client_ctx; | |||
2133 | GdictCommand *cmd; | |||
2134 | ||||
2135 | g_return_val_if_fail (GDICT_IS_CLIENT_CONTEXT (context), FALSE)do{ (void)0; }while (0); | |||
2136 | ||||
2137 | client_ctx = GDICT_CLIENT_CONTEXT (context)((((GdictClientContext*) (void *) ((context))))); | |||
2138 | ||||
2139 | g_signal_emit_by_name (context, "lookup-start"); | |||
2140 | ||||
2141 | if (!gdict_client_context_is_connected (client_ctx)) | |||
2142 | { | |||
2143 | GError *connect_error = NULL((void*)0); | |||
2144 | ||||
2145 | gdict_client_context_connect (client_ctx, &connect_error); | |||
2146 | if (connect_error) | |||
2147 | { | |||
2148 | g_signal_emit_by_name (context, "lookup-end"); | |||
2149 | ||||
2150 | g_propagate_error (error, connect_error); | |||
2151 | ||||
2152 | return FALSE(0); | |||
2153 | } | |||
2154 | } | |||
2155 | ||||
2156 | cmd = gdict_command_new (CMD_MATCH); | |||
2157 | cmd->database = g_strdup ((database != NULL ? database : GDICT_DEFAULT_DATABASE))g_strdup_inline ((database != ((void*)0) ? database : "*")); | |||
2158 | cmd->strategy = g_strdup ((strategy != NULL ? strategy : GDICT_DEFAULT_STRATEGY))g_strdup_inline ((strategy != ((void*)0) ? strategy : ".")); | |||
2159 | cmd->word = g_utf8_normalize (word, -1, G_NORMALIZE_NFC); | |||
2160 | ||||
2161 | return gdict_client_context_push_command (client_ctx, cmd); | |||
2162 | } |