ensure that GROUP_COUNT still returns "0", even if no group was found git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6245 65c4cc65-6c06-0410-ace0-fbb531ad65f3
181 lines
5 KiB
C
Executable file
181 lines
5 KiB
C
Executable file
/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Channel group related dialplan functions
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*
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* Copyright (C) 2005, Digium, Inc.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include "asterisk.h"
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/* ASTERISK_FILE_VERSION(__FILE__, "$Revision$") */
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/logger.h"
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#include "asterisk/utils.h"
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#include "asterisk/app.h"
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static char *group_count_function_read(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
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{
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int count;
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char group[80] = "";
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char category[80] = "";
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char *grp;
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ast_app_group_split_group(data, group, sizeof(group), category, sizeof(category));
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if (ast_strlen_zero(group)) {
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if ((grp = pbx_builtin_getvar_helper(chan, category)))
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ast_copy_string(group, grp, sizeof(group));
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else
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ast_log(LOG_NOTICE, "No group could be found for channel '%s'\n", chan->name);
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}
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count = ast_app_group_get_count(group, category);
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snprintf(buf, len, "%d", count);
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return buf;
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}
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#ifndef BUILTIN_FUNC
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static
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#endif
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struct ast_custom_function group_count_function = {
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.name = "GROUP_COUNT",
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.syntax = "GROUP_COUNT([groupname][@category])",
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.synopsis = "Counts the number of channels in the specified group",
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.desc = "Calculates the group count for the specified group, or uses the\n"
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"channel's current group if not specifed (and non-empty).\n",
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.read = group_count_function_read,
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};
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static char *group_match_count_function_read(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
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{
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int count;
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char group[80] = "";
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char category[80] = "";
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ast_app_group_split_group(data, group, sizeof(group), category, sizeof(category));
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if (!ast_strlen_zero(group)) {
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count = ast_app_group_match_get_count(group, category);
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snprintf(buf, len, "%d", count);
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}
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return buf;
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}
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#ifndef BUILTIN_FUNC
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static
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#endif
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struct ast_custom_function group_match_count_function = {
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.name = "GROUP_MATCH_COUNT",
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.syntax = "GROUP_MATCH_COUNT(groupmatch[@category])",
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.synopsis = "Counts the number of channels in the groups matching the specified pattern",
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.desc = "Calculates the group count for all groups that match the specified pattern.\n"
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"Uses standard regular expression matching (see regex(7)).\n",
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.read = group_match_count_function_read,
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.write = NULL,
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};
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static char *group_function_read(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
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{
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char varname[256];
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char *group;
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if (data && !ast_strlen_zero(data)) {
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snprintf(varname, sizeof(varname), "%s_%s", GROUP_CATEGORY_PREFIX, data);
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} else {
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ast_copy_string(varname, GROUP_CATEGORY_PREFIX, sizeof(varname));
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}
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group = pbx_builtin_getvar_helper(chan, varname);
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if (group)
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ast_copy_string(buf, group, len);
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return buf;
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}
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static void group_function_write(struct ast_channel *chan, char *cmd, char *data, const char *value)
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{
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char grpcat[256];
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if (data && !ast_strlen_zero(data)) {
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snprintf(grpcat, sizeof(grpcat), "%s@%s", value, data);
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} else {
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ast_copy_string(grpcat, value, sizeof(grpcat));
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}
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if (ast_app_group_set_channel(chan, grpcat))
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ast_log(LOG_WARNING, "Setting a group requires an argument (group name)\n");
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}
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#ifndef BUILTIN_FUNC
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static
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#endif
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struct ast_custom_function group_function = {
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.name = "GROUP",
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.syntax = "GROUP([category])",
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.synopsis = "Gets or sets the channel group.",
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.desc = "Gets or sets the channel group.\n",
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.read = group_function_read,
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.write = group_function_write,
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};
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static char *group_list_function_read(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
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{
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struct ast_var_t *current;
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struct varshead *headp;
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char tmp1[1024] = "";
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char tmp2[1024] = "";
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headp=&chan->varshead;
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AST_LIST_TRAVERSE(headp,current,entries) {
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if (!strncmp(ast_var_name(current), GROUP_CATEGORY_PREFIX "_", strlen(GROUP_CATEGORY_PREFIX) + 1)) {
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if (!ast_strlen_zero(tmp1)) {
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ast_copy_string(tmp2, tmp1, sizeof(tmp2));
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snprintf(tmp1, sizeof(tmp1), "%s %s@%s", tmp2, ast_var_value(current), (ast_var_name(current) + strlen(GROUP_CATEGORY_PREFIX) + 1));
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} else {
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snprintf(tmp1, sizeof(tmp1), "%s@%s", ast_var_value(current), (ast_var_name(current) + strlen(GROUP_CATEGORY_PREFIX) + 1));
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}
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} else if (!strcmp(ast_var_name(current), GROUP_CATEGORY_PREFIX)) {
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if (!ast_strlen_zero(tmp1)) {
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ast_copy_string(tmp2, tmp1, sizeof(tmp2));
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snprintf(tmp1, sizeof(tmp1), "%s %s", tmp2, ast_var_value(current));
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} else {
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snprintf(tmp1, sizeof(tmp1), "%s", ast_var_value(current));
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}
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}
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}
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ast_copy_string(buf, tmp1, len);
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return buf;
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}
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#ifndef BUILTIN_FUNC
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static
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#endif
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struct ast_custom_function group_list_function = {
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.name = "GROUP_LIST",
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.syntax = "GROUP_LIST()",
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.synopsis = "Gets a list of the groups set on a channel.",
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.desc = "Gets a list of the groups set on a channel.\n",
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.read = group_list_function_read,
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.write = NULL,
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};
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/*
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Local Variables:
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mode: C
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c-file-style: "linux"
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indent-tabs-mode: nil
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End:
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*/
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