Sat Nov 1 06:29:06 2008

Asterisk developer's documentation

funcs

func_groupcount.c File Reference

Channel group related dialplan functions. More...

#include "asterisk.h"
#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"

Include dependency graph for func_groupcount.c:

Go to the source code of this file.

Functions

 AST_MODULE_INFO_STANDARD (ASTERISK_GPL_KEY,"Channel group dialplan functions")
static int group_count_function_read (struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
static int group_function_read (struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
static int group_function_write (struct ast_channel *chan, char *cmd, char *data, const char *value)
static int group_list_function_read (struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
static int group_match_count_function_read (struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
static int load_module (void)
static int unload_module (void)

Variables

static struct ast_custom_function group_count_function
static struct ast_custom_function group_function
static struct ast_custom_function group_list_function
static struct ast_custom_function group_match_count_function

Detailed Description

Channel group related dialplan functions.

Definition in file func_groupcount.c.

Function Documentation

AST_MODULE_INFO_STANDARD ( ASTERISK_GPL_KEY  ,
"Channel group dialplan functions"   
)

static int group_count_function_read ( struct ast_channel *  chan,
char *  cmd,
char *  data,
char *  buf,
size_t  len 
) [static]

Definition at line 39 of file func_groupcount.c.

References ast_app_group_get_count(), ast_app_group_list_head(), ast_app_group_list_lock(), ast_app_group_list_unlock(), ast_app_group_split_group(), AST_LIST_NEXT, ast_log(), ast_strlen_zero(), ast_group_info::category, ast_group_info::chan, ast_group_info::group, group, and LOG_NOTICE.

00041 {
00042    int ret = -1;
00043    int count = -1;
00044    char group[80] = "", category[80] = "";
00045 
00046    ast_app_group_split_group(data, group, sizeof(group), category,
00047               sizeof(category));
00048 
00049    /* If no group has been provided let's find one */
00050    if (ast_strlen_zero(group)) {
00051       struct ast_group_info *gi = NULL;
00052 
00053       ast_app_group_list_lock();
00054       for (gi = ast_app_group_list_head(); gi; gi = AST_LIST_NEXT(gi, list)) {
00055          if (gi->chan != chan)
00056             continue;
00057          if (ast_strlen_zero(category) || (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, category)))
00058             break;
00059       }
00060       if (gi) {
00061          ast_copy_string(group, gi->group, sizeof(group));
00062          if (!ast_strlen_zero(gi->category))
00063             ast_copy_string(category, gi->category, sizeof(category));
00064       }
00065       ast_app_group_list_unlock();
00066    }
00067 
00068    if ((count = ast_app_group_get_count(group, category)) == -1) {
00069       ast_log(LOG_NOTICE, "No group could be found for channel '%s'\n", chan->name);
00070    } else {
00071       snprintf(buf, len, "%d", count);
00072       ret = 0;
00073    }
00074 
00075    return ret;
00076 }

static int group_function_read ( struct ast_channel *  chan,
char *  cmd,
char *  data,
char *  buf,
size_t  len 
) [static]

Definition at line 120 of file func_groupcount.c.

References ast_app_group_list_head(), ast_app_group_list_lock(), ast_app_group_list_unlock(), AST_LIST_NEXT, ast_strlen_zero(), ast_group_info::category, ast_group_info::chan, and ast_group_info::group.

00122 {
00123    int ret = -1;
00124    struct ast_group_info *gi = NULL;
00125    
00126    ast_app_group_list_lock();
00127    
00128    for (gi = ast_app_group_list_head(); gi; gi = AST_LIST_NEXT(gi, list)) {
00129       if (gi->chan != chan)
00130          continue;
00131       if (ast_strlen_zero(data))
00132          break;
00133       if (!ast_strlen_zero(gi->category) && !strcasecmp(gi->category, data))
00134          break;
00135    }
00136    
00137    if (gi) {
00138       ast_copy_string(buf, gi->group, len);
00139       ret = 0;
00140    }
00141    
00142    ast_app_group_list_unlock();
00143    
00144    return ret;
00145 }

static int group_function_write ( struct ast_channel *  chan,
char *  cmd,
char *  data,
const char *  value 
) [static]

Definition at line 147 of file func_groupcount.c.

References ast_app_group_set_channel(), ast_log(), ast_strlen_zero(), ast_group_info::chan, and LOG_WARNING.

00149 {
00150    char grpcat[256];
00151 
00152    if (!ast_strlen_zero(data)) {
00153       snprintf(grpcat, sizeof(grpcat), "%s@%s", value, data);
00154    } else {
00155       ast_copy_string(grpcat, value, sizeof(grpcat));
00156    }
00157 
00158    if (ast_app_group_set_channel(chan, grpcat))
00159       ast_log(LOG_WARNING,
00160             "Setting a group requires an argument (group name)\n");
00161 
00162    return 0;
00163 }

static int group_list_function_read ( struct ast_channel *  chan,
char *  cmd,
char *  data,
char *  buf,
size_t  len 
) [static]

Definition at line 174 of file func_groupcount.c.

References ast_app_group_list_head(), ast_app_group_list_lock(), ast_app_group_list_unlock(), AST_LIST_NEXT, ast_strlen_zero(), ast_group_info::category, ast_group_info::chan, and ast_group_info::group.

00176 {
00177    struct ast_group_info *gi = NULL;
00178    char tmp1[1024] = "";
00179    char tmp2[1024] = "";
00180 
00181    if (!chan)
00182       return -1;
00183 
00184    ast_app_group_list_lock();
00185 
00186    for (gi = ast_app_group_list_head(); gi; gi = AST_LIST_NEXT(gi, list)) {
00187       if (gi->chan != chan)
00188          continue;
00189       if (!ast_strlen_zero(tmp1)) {
00190          ast_copy_string(tmp2, tmp1, sizeof(tmp2));
00191          if (!ast_strlen_zero(gi->category))
00192             snprintf(tmp1, sizeof(tmp1), "%s %s@%s", tmp2, gi->group, gi->category);
00193          else
00194             snprintf(tmp1, sizeof(tmp1), "%s %s", tmp2, gi->group);
00195       } else {
00196          if (!ast_strlen_zero(gi->category))
00197             snprintf(tmp1, sizeof(tmp1), "%s@%s", gi->group, gi->category);
00198          else
00199             snprintf(tmp1, sizeof(tmp1), "%s", gi->group);
00200       }
00201    }
00202    
00203    ast_app_group_list_unlock();
00204 
00205    ast_copy_string(buf, tmp1, len);
00206 
00207    return 0;
00208 }

static int group_match_count_function_read ( struct ast_channel *  chan,
char *  cmd,
char *  data,
char *  buf,
size_t  len 
) [static]

Definition at line 88 of file func_groupcount.c.

References ast_app_group_match_get_count(), ast_app_group_split_group(), ast_strlen_zero(), and group.

00091 {
00092    int count;
00093    char group[80] = "";
00094    char category[80] = "";
00095 
00096    ast_app_group_split_group(data, group, sizeof(group), category,
00097               sizeof(category));
00098 
00099    if (!ast_strlen_zero(group)) {
00100       count = ast_app_group_match_get_count(group, category);
00101       snprintf(buf, len, "%d", count);
00102       return 0;
00103    }
00104 
00105    return -1;
00106 }

static int load_module ( void   )  [static]

Definition at line 231 of file func_groupcount.c.

References ast_custom_function_register(), group_count_function, group_function, group_list_function, and group_match_count_function.

00232 {
00233    int res = 0;
00234 
00235    res |= ast_custom_function_register(&group_count_function);
00236    res |= ast_custom_function_register(&group_match_count_function);
00237    res |= ast_custom_function_register(&group_list_function);
00238    res |= ast_custom_function_register(&group_function);
00239 
00240    return res;
00241 }

static int unload_module ( void   )  [static]

Definition at line 219 of file func_groupcount.c.

References ast_custom_function_unregister(), group_count_function, group_function, group_list_function, and group_match_count_function.

00220 {
00221    int res = 0;
00222 
00223    res |= ast_custom_function_unregister(&group_count_function);
00224    res |= ast_custom_function_unregister(&group_match_count_function);
00225    res |= ast_custom_function_unregister(&group_list_function);
00226    res |= ast_custom_function_unregister(&group_function);
00227 
00228    return res;
00229 }

Variable Documentation

struct ast_custom_function group_count_function [static]

Definition at line 78 of file func_groupcount.c.

Referenced by load_module(), and unload_module().

struct ast_custom_function group_function [static]

Definition at line 165 of file func_groupcount.c.

Referenced by load_module(), and unload_module().

struct ast_custom_function group_list_function [static]

Definition at line 210 of file func_groupcount.c.

Referenced by load_module(), and unload_module().

struct ast_custom_function group_match_count_function [static]

Definition at line 108 of file func_groupcount.c.

Referenced by load_module(), and unload_module().

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