Thu Oct 8 21:56:33 2009

Asterisk developer's documentation


res_snmp.c File Reference

SNMP Agent / SubAgent support for Asterisk. More...

#include "asterisk.h"
#include "asterisk/channel.h"
#include "asterisk/module.h"
#include "asterisk/logger.h"
#include "asterisk/options.h"
#include "snmp/agent.h"

Include dependency graph for res_snmp.c:

Go to the source code of this file.

Defines

#define MODULE_DESCRIPTION   "SNMP [Sub]Agent for Asterisk"

Functions

 AST_MODULE_INFO (ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS,"SNMP [Sub]Agent for Asterisk",.load=load_module,.unload=unload_module,)
static int load_config (void)
static int load_module (void)
static int unload_module (void)

Variables

int res_snmp_agentx_subagent
int res_snmp_dont_stop
int res_snmp_enabled
static pthread_t thread = AST_PTHREADT_NULL


Detailed Description

SNMP Agent / SubAgent support for Asterisk.

Author:
Thorsten Lockert <tholo@voop.as>

Definition in file res_snmp.c.


Define Documentation

#define MODULE_DESCRIPTION   "SNMP [Sub]Agent for Asterisk"

Definition at line 32 of file res_snmp.c.


Function Documentation

AST_MODULE_INFO ( ASTERISK_GPL_KEY  ,
AST_MODFLAG_GLOBAL_SYMBOLS  ,
"SNMP Agent for Asterisk"  [Sub],
load = load_module,
unload = unload_module 
)

static int load_config ( void   )  [static]

Definition at line 40 of file res_snmp.c.

References ast_category_browse(), ast_config_destroy(), ast_config_load(), ast_false(), ast_log(), ast_true(), ast_variable_browse(), LOG_ERROR, LOG_WARNING, ast_variable::name, ast_variable::next, ast_variable::value, and var.

00041 {
00042    struct ast_variable *var;
00043    struct ast_config *cfg;
00044    char *cat;
00045 
00046    res_snmp_enabled = 0;
00047    res_snmp_agentx_subagent = 1;
00048    cfg = ast_config_load("res_snmp.conf");
00049    if (!cfg) {
00050       ast_log(LOG_WARNING, "Could not load res_snmp.conf\n");
00051       return 0;
00052    }
00053    cat = ast_category_browse(cfg, NULL);
00054    while (cat) {
00055       var = ast_variable_browse(cfg, cat);
00056 
00057       if (strcasecmp(cat, "general") == 0) {
00058          while (var) {
00059             if (strcasecmp(var->name, "subagent") == 0) {
00060                if (ast_true(var->value))
00061                   res_snmp_agentx_subagent = 1;
00062                else if (ast_false(var->value))
00063                   res_snmp_agentx_subagent = 0;
00064                else {
00065                   ast_log(LOG_ERROR, "Value '%s' does not evaluate to true or false.\n", var->value);
00066                   ast_config_destroy(cfg);
00067                   return 1;
00068                }
00069             } else if (strcasecmp(var->name, "enabled") == 0) {
00070                res_snmp_enabled = ast_true(var->value);
00071             } else {
00072                ast_log(LOG_ERROR, "Unrecognized variable '%s' in category '%s'\n", var->name, cat);
00073                ast_config_destroy(cfg);
00074                return 1;
00075             }
00076             var = var->next;
00077          }
00078       } else {
00079          ast_log(LOG_ERROR, "Unrecognized category '%s'\n", cat);
00080          ast_config_destroy(cfg);
00081          return 1;
00082       }
00083 
00084       cat = ast_category_browse(cfg, cat);
00085    }
00086    ast_config_destroy(cfg);
00087    return 1;
00088 }

static int load_module ( void   )  [static]

Definition at line 90 of file res_snmp.c.

References AST_MODULE_LOAD_DECLINE, ast_pthread_create_background, ast_verbose(), load_config(), and VERBOSE_PREFIX_1.

00091 {
00092    if(!load_config())
00093       return AST_MODULE_LOAD_DECLINE;
00094 
00095    ast_verbose(VERBOSE_PREFIX_1 "Loading [Sub]Agent Module\n");
00096 
00097    res_snmp_dont_stop = 1;
00098    if (res_snmp_enabled)
00099       return ast_pthread_create_background(&thread, NULL, agent_thread, NULL);
00100    else
00101       return 0;
00102 }

static int unload_module ( void   )  [static]

Definition at line 104 of file res_snmp.c.

References AST_PTHREADT_NULL, ast_verbose(), and VERBOSE_PREFIX_1.

00105 {
00106    ast_verbose(VERBOSE_PREFIX_1 "Unloading [Sub]Agent Module\n");
00107 
00108    res_snmp_dont_stop = 0;
00109    return ((thread != AST_PTHREADT_NULL) ? pthread_join(thread, NULL) : 0);
00110 }


Variable Documentation

Definition at line 34 of file res_snmp.c.

Definition at line 35 of file res_snmp.c.

Definition at line 36 of file res_snmp.c.

pthread_t thread = AST_PTHREADT_NULL [static]

Definition at line 38 of file res_snmp.c.


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