![kpfleming](/assets/img/avatar_default.png)
- restructured build tree and makefiles to eliminate recursion problems - support for embedded modules - support for static builds - simpler cross-compilation support - simpler module/loader interface (no exported symbols) git-svn-id: http://svn.digium.com/svn/asterisk/trunk@40722 f38db490-d61c-443f-a65b-d21fe96a405b
223 lines
6 KiB
C
223 lines
6 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 1999 - 2006, Digium, Inc.
|
|
*
|
|
* See http://www.asterisk.org for more information about
|
|
* the Asterisk project. Please do not directly contact
|
|
* any of the maintainers of this project for assistance;
|
|
* the project provides a web site, mailing lists and IRC
|
|
* channels for your use.
|
|
*
|
|
* This program is free software, distributed under the terms of
|
|
* the GNU General Public License Version 2. See the LICENSE file
|
|
* at the top of the source tree.
|
|
*/
|
|
|
|
/*! \file
|
|
*
|
|
* \brief Channel group related dialplan functions
|
|
*
|
|
*/
|
|
|
|
#include "asterisk.h"
|
|
|
|
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <sys/types.h>
|
|
|
|
#include "asterisk/module.h"
|
|
#include "asterisk/channel.h"
|
|
#include "asterisk/pbx.h"
|
|
#include "asterisk/logger.h"
|
|
#include "asterisk/utils.h"
|
|
#include "asterisk/app.h"
|
|
|
|
static int group_count_function_read(struct ast_channel *chan, char *cmd,
|
|
char *data, char *buf, size_t len)
|
|
{
|
|
int count;
|
|
char group[80] = "";
|
|
char category[80] = "";
|
|
const char *grp;
|
|
|
|
ast_app_group_split_group(data, group, sizeof(group), category,
|
|
sizeof(category));
|
|
|
|
if (ast_strlen_zero(group)) {
|
|
if ((grp = pbx_builtin_getvar_helper(chan, category)))
|
|
ast_copy_string(group, grp, sizeof(group));
|
|
else
|
|
ast_log(LOG_NOTICE, "No group could be found for channel '%s'\n",
|
|
chan->name);
|
|
}
|
|
|
|
count = ast_app_group_get_count(group, category);
|
|
snprintf(buf, len, "%d", count);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct ast_custom_function group_count_function = {
|
|
.name = "GROUP_COUNT",
|
|
.syntax = "GROUP_COUNT([groupname][@category])",
|
|
.synopsis = "Counts the number of channels in the specified group",
|
|
.desc =
|
|
"Calculates the group count for the specified group, or uses the\n"
|
|
"channel's current group if not specifed (and non-empty).\n",
|
|
.read = group_count_function_read,
|
|
};
|
|
|
|
static int group_match_count_function_read(struct ast_channel *chan,
|
|
char *cmd, char *data, char *buf,
|
|
size_t len)
|
|
{
|
|
int count;
|
|
char group[80] = "";
|
|
char category[80] = "";
|
|
|
|
ast_app_group_split_group(data, group, sizeof(group), category,
|
|
sizeof(category));
|
|
|
|
if (!ast_strlen_zero(group)) {
|
|
count = ast_app_group_match_get_count(group, category);
|
|
snprintf(buf, len, "%d", count);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct ast_custom_function group_match_count_function = {
|
|
.name = "GROUP_MATCH_COUNT",
|
|
.syntax = "GROUP_MATCH_COUNT(groupmatch[@category])",
|
|
.synopsis =
|
|
"Counts the number of channels in the groups matching the specified pattern",
|
|
.desc =
|
|
"Calculates the group count for all groups that match the specified pattern.\n"
|
|
"Uses standard regular expression matching (see regex(7)).\n",
|
|
.read = group_match_count_function_read,
|
|
.write = NULL,
|
|
};
|
|
|
|
static int group_function_read(struct ast_channel *chan, char *cmd,
|
|
char *data, char *buf, size_t len)
|
|
{
|
|
char varname[256];
|
|
const char *group;
|
|
|
|
if (!ast_strlen_zero(data)) {
|
|
snprintf(varname, sizeof(varname), "%s_%s", GROUP_CATEGORY_PREFIX,
|
|
data);
|
|
} else {
|
|
ast_copy_string(varname, GROUP_CATEGORY_PREFIX, sizeof(varname));
|
|
}
|
|
|
|
group = pbx_builtin_getvar_helper(chan, varname);
|
|
if (group)
|
|
ast_copy_string(buf, group, len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int group_function_write(struct ast_channel *chan, char *cmd,
|
|
char *data, const char *value)
|
|
{
|
|
char grpcat[256];
|
|
|
|
if (!ast_strlen_zero(data)) {
|
|
snprintf(grpcat, sizeof(grpcat), "%s@%s", value, data);
|
|
} else {
|
|
ast_copy_string(grpcat, value, sizeof(grpcat));
|
|
}
|
|
|
|
if (ast_app_group_set_channel(chan, grpcat))
|
|
ast_log(LOG_WARNING,
|
|
"Setting a group requires an argument (group name)\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct ast_custom_function group_function = {
|
|
.name = "GROUP",
|
|
.syntax = "GROUP([category])",
|
|
.synopsis = "Gets or sets the channel group.",
|
|
.desc = "Gets or sets the channel group.\n",
|
|
.read = group_function_read,
|
|
.write = group_function_write,
|
|
};
|
|
|
|
static int group_list_function_read(struct ast_channel *chan, char *cmd,
|
|
char *data, char *buf, size_t len)
|
|
{
|
|
struct ast_var_t *current;
|
|
struct varshead *headp;
|
|
char tmp1[1024] = "";
|
|
char tmp2[1024] = "";
|
|
|
|
headp = &chan->varshead;
|
|
AST_LIST_TRAVERSE(headp, current, entries) {
|
|
if (!strncmp(ast_var_name(current), GROUP_CATEGORY_PREFIX "_", strlen(GROUP_CATEGORY_PREFIX) + 1)) {
|
|
if (!ast_strlen_zero(tmp1)) {
|
|
ast_copy_string(tmp2, tmp1, sizeof(tmp2));
|
|
snprintf(tmp1, sizeof(tmp1), "%s %s@%s", tmp2,
|
|
ast_var_value(current),
|
|
(ast_var_name(current) +
|
|
strlen(GROUP_CATEGORY_PREFIX) + 1));
|
|
} else {
|
|
snprintf(tmp1, sizeof(tmp1), "%s@%s", ast_var_value(current),
|
|
(ast_var_name(current) +
|
|
strlen(GROUP_CATEGORY_PREFIX) + 1));
|
|
}
|
|
} else if (!strcmp(ast_var_name(current), GROUP_CATEGORY_PREFIX)) {
|
|
if (!ast_strlen_zero(tmp1)) {
|
|
ast_copy_string(tmp2, tmp1, sizeof(tmp2));
|
|
snprintf(tmp1, sizeof(tmp1), "%s %s", tmp2,
|
|
ast_var_value(current));
|
|
} else {
|
|
snprintf(tmp1, sizeof(tmp1), "%s", ast_var_value(current));
|
|
}
|
|
}
|
|
}
|
|
ast_copy_string(buf, tmp1, len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct ast_custom_function group_list_function = {
|
|
.name = "GROUP_LIST",
|
|
.syntax = "GROUP_LIST()",
|
|
.synopsis = "Gets a list of the groups set on a channel.",
|
|
.desc = "Gets a list of the groups set on a channel.\n",
|
|
.read = group_list_function_read,
|
|
.write = NULL,
|
|
};
|
|
|
|
static int unload_module(void)
|
|
{
|
|
int res = 0;
|
|
|
|
res |= ast_custom_function_unregister(&group_count_function);
|
|
res |= ast_custom_function_unregister(&group_match_count_function);
|
|
res |= ast_custom_function_unregister(&group_list_function);
|
|
res |= ast_custom_function_unregister(&group_function);
|
|
|
|
return res;
|
|
}
|
|
|
|
static int load_module(void)
|
|
{
|
|
int res = 0;
|
|
|
|
res |= ast_custom_function_register(&group_count_function);
|
|
res |= ast_custom_function_register(&group_match_count_function);
|
|
res |= ast_custom_function_register(&group_list_function);
|
|
res |= ast_custom_function_register(&group_function);
|
|
|
|
return res;
|
|
}
|
|
|
|
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Channel group dialplan functions");
|