Tue Aug 20 16:35:04 2013

Asterisk developer's documentation


func_groupcount.c File Reference

Channel group related dialplan functions. More...

#include "asterisk.h"
#include "asterisk/module.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/utils.h"
#include "asterisk/app.h"

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, const char *cmd, char *data, char *buf, size_t len)
static int group_function_read (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
static int group_function_write (struct ast_channel *chan, const char *cmd, char *data, const char *value)
static int group_list_function_read (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
static int group_match_count_function_read (struct ast_channel *chan, const 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,
const char *  cmd,
char *  data,
char *  buf,
size_t  len 
) [static]

Definition at line 100 of file func_groupcount.c.

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

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    /* If no group has been provided let's find one */
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 }

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

Definition at line 172 of file func_groupcount.c.

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

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 }

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

Definition at line 199 of file func_groupcount.c.

References ast_app_group_set_channel(), ast_copy_string(), ast_log(), ast_strlen_zero(), and LOG_WARNING.

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 }

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

Definition at line 227 of file func_groupcount.c.

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

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 }

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

Definition at line 145 of file func_groupcount.c.

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

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 }

static int load_module ( void   )  [static]

Definition at line 281 of file func_groupcount.c.

References ast_custom_function_register.

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 }

static int unload_module ( void   )  [static]

Definition at line 269 of file func_groupcount.c.

References ast_custom_function_unregister().

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 }


Variable Documentation

Initial value:
 {
   .name = "GROUP_COUNT",
   .read = group_count_function_read,
   .read_max = 12,
}

Definition at line 139 of file func_groupcount.c.

Initial value:
 {
   .name = "GROUP",
   .read = group_function_read,
   .write = group_function_write,
}

Definition at line 221 of file func_groupcount.c.

Initial value:
 {
   .name = "GROUP_LIST",
   .read = group_list_function_read,
   .write = NULL,
}

Definition at line 263 of file func_groupcount.c.

Definition at line 165 of file func_groupcount.c.


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