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00028 #include "asterisk.h"
00029
00030 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 328209 $")
00031
00032 #include "asterisk/module.h"
00033 #include "asterisk/channel.h"
00034 #include "asterisk/pbx.h"
00035 #include "asterisk/utils.h"
00036 #include "asterisk/app.h"
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00100 static int group_count_function_read(struct ast_channel *chan, const char *cmd,
00101 char *data, char *buf, size_t len)
00102 {
00103 int ret = -1;
00104 int count = -1;
00105 char group[80] = "", category[80] = "";
00106
00107 ast_app_group_split_group(data, group, sizeof(group), category,
00108 sizeof(category));
00109
00110
00111 if (ast_strlen_zero(group)) {
00112 struct ast_group_info *gi = NULL;
00113
00114 ast_app_group_list_rdlock();
00115 for (gi = ast_app_group_list_head(); gi; gi = AST_LIST_NEXT(gi, group_list)) {
00116 if (gi->chan != chan)
00117 continue;
00118 if (ast_strlen_zero(category) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category)))
00119 break;
00120 }
00121 if (gi) {
00122 ast_copy_string(group, gi->group, sizeof(group));
00123 if (!ast_strlen_zero(gi->category))
00124 ast_copy_string(category, gi->category, sizeof(category));
00125 }
00126 ast_app_group_list_unlock();
00127 }
00128
00129 if ((count = ast_app_group_get_count(group, category)) == -1) {
00130 ast_log(LOG_NOTICE, "No group could be found for channel '%s'\n", chan->name);
00131 } else {
00132 snprintf(buf, len, "%d", count);
00133 ret = 0;
00134 }
00135
00136 return ret;
00137 }
00138
00139 static struct ast_custom_function group_count_function = {
00140 .name = "GROUP_COUNT",
00141 .read = group_count_function_read,
00142 .read_max = 12,
00143 };
00144
00145 static int group_match_count_function_read(struct ast_channel *chan,
00146 const char *cmd, char *data, char *buf,
00147 size_t len)
00148 {
00149 int count;
00150 char group[80] = "";
00151 char category[80] = "";
00152
00153 ast_app_group_split_group(data, group, sizeof(group), category,
00154 sizeof(category));
00155
00156 if (!ast_strlen_zero(group)) {
00157 count = ast_app_group_match_get_count(group, category);
00158 snprintf(buf, len, "%d", count);
00159 return 0;
00160 }
00161
00162 return -1;
00163 }
00164
00165 static struct ast_custom_function group_match_count_function = {
00166 .name = "GROUP_MATCH_COUNT",
00167 .read = group_match_count_function_read,
00168 .read_max = 12,
00169 .write = NULL,
00170 };
00171
00172 static int group_function_read(struct ast_channel *chan, const char *cmd,
00173 char *data, char *buf, size_t len)
00174 {
00175 int ret = -1;
00176 struct ast_group_info *gi = NULL;
00177
00178 ast_app_group_list_rdlock();
00179
00180 for (gi = ast_app_group_list_head(); gi; gi = AST_LIST_NEXT(gi, group_list)) {
00181 if (gi->chan != chan)
00182 continue;
00183 if (ast_strlen_zero(data))
00184 break;
00185 if (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, data))
00186 break;
00187 }
00188
00189 if (gi) {
00190 ast_copy_string(buf, gi->group, len);
00191 ret = 0;
00192 }
00193
00194 ast_app_group_list_unlock();
00195
00196 return ret;
00197 }
00198
00199 static int group_function_write(struct ast_channel *chan, const char *cmd,
00200 char *data, const char *value)
00201 {
00202 char grpcat[256];
00203
00204 if (!value) {
00205 return -1;
00206 }
00207
00208 if (!ast_strlen_zero(data)) {
00209 snprintf(grpcat, sizeof(grpcat), "%s@%s", value, data);
00210 } else {
00211 ast_copy_string(grpcat, value, sizeof(grpcat));
00212 }
00213
00214 if (ast_app_group_set_channel(chan, grpcat))
00215 ast_log(LOG_WARNING,
00216 "Setting a group requires an argument (group name)\n");
00217
00218 return 0;
00219 }
00220
00221 static struct ast_custom_function group_function = {
00222 .name = "GROUP",
00223 .read = group_function_read,
00224 .write = group_function_write,
00225 };
00226
00227 static int group_list_function_read(struct ast_channel *chan, const char *cmd,
00228 char *data, char *buf, size_t len)
00229 {
00230 struct ast_group_info *gi = NULL;
00231 char tmp1[1024] = "";
00232 char tmp2[1024] = "";
00233
00234 if (!chan)
00235 return -1;
00236
00237 ast_app_group_list_rdlock();
00238
00239 for (gi = ast_app_group_list_head(); gi; gi = AST_LIST_NEXT(gi, group_list)) {
00240 if (gi->chan != chan)
00241 continue;
00242 if (!ast_strlen_zero(tmp1)) {
00243 ast_copy_string(tmp2, tmp1, sizeof(tmp2));
00244 if (!ast_strlen_zero(gi->category))
00245 snprintf(tmp1, sizeof(tmp1), "%s %s@%s", tmp2, gi->group, gi->category);
00246 else
00247 snprintf(tmp1, sizeof(tmp1), "%s %s", tmp2, gi->group);
00248 } else {
00249 if (!ast_strlen_zero(gi->category))
00250 snprintf(tmp1, sizeof(tmp1), "%s@%s", gi->group, gi->category);
00251 else
00252 snprintf(tmp1, sizeof(tmp1), "%s", gi->group);
00253 }
00254 }
00255
00256 ast_app_group_list_unlock();
00257
00258 ast_copy_string(buf, tmp1, len);
00259
00260 return 0;
00261 }
00262
00263 static struct ast_custom_function group_list_function = {
00264 .name = "GROUP_LIST",
00265 .read = group_list_function_read,
00266 .write = NULL,
00267 };
00268
00269 static int unload_module(void)
00270 {
00271 int res = 0;
00272
00273 res |= ast_custom_function_unregister(&group_count_function);
00274 res |= ast_custom_function_unregister(&group_match_count_function);
00275 res |= ast_custom_function_unregister(&group_list_function);
00276 res |= ast_custom_function_unregister(&group_function);
00277
00278 return res;
00279 }
00280
00281 static int load_module(void)
00282 {
00283 int res = 0;
00284
00285 res |= ast_custom_function_register(&group_count_function);
00286 res |= ast_custom_function_register(&group_match_count_function);
00287 res |= ast_custom_function_register(&group_list_function);
00288 res |= ast_custom_function_register(&group_function);
00289
00290 return res;
00291 }
00292
00293 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Channel group dialplan functions");