func_sysinfo.c File Reference

#include "asterisk.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"

Include dependency graph for func_sysinfo.c:

Go to the source code of this file.

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
static int	load_module (void)
static int	sysinfo_helper (struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
static int	unload_module (void)
Variables
static struct ast_module_info __MODULE_INFO_SECTION	__mod_info = { __MODULE_INFO_GLOBALS .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "System information related functions" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, }
static struct ast_module_info *	ast_module_info = &__mod_info
static struct ast_custom_function	sysinfo_function

---

Detailed Description

SYSINFO function to return various system data.

Note:

Inspiration and Guidance from Russell

Author:

Jeff Peeler

Definition in file func_sysinfo.c.

---

Function Documentation

static void __reg_module

(

void

)

[static]

Definition at line 115 of file func_sysinfo.c.

static void __unreg_module

(

void

)

[static]

Definition at line 115 of file func_sysinfo.c.

static int load_module

(

void

)

[static]

Definition at line 110 of file func_sysinfo.c.

References ast_custom_function_register.

{
   return ast_custom_function_register(&sysinfo_function);
}

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

Definition at line 39 of file func_sysinfo.c.

References ast_active_calls(), ast_log(), ast_strlen_zero(), getloadavg(), LOG_ERROR, and LOG_WARNING.

{
#if defined(HAVE_SYSINFO)
   struct sysinfo sys_info;
   if (sysinfo(&sys_info)) {
      ast_log(LOG_ERROR, "FAILED to retrieve system information\n");
      return -1;
   }
#endif
   if (ast_strlen_zero(data)) {
      ast_log(LOG_WARNING, "Syntax: ${SYSINFO(<parameter>)} - missing argument!)\n");
      return -1;
   } else if (!strcasecmp("loadavg", data)) {
      double curloadavg;
      getloadavg(&curloadavg, 1);
      snprintf(buf, len, "%f", curloadavg);
   } else if (!strcasecmp("numcalls", data)) {
      snprintf(buf, len, "%d", ast_active_calls());
   }
#if defined(HAVE_SYSINFO)
   else if (!strcasecmp("uptime", data)) {             /* in hours */
      snprintf(buf, len, "%ld", sys_info.uptime/3600);
   } else if (!strcasecmp("totalram", data)) {         /* in KiB */
      snprintf(buf, len, "%ld",(sys_info.totalram * sys_info.mem_unit)/1024);
   } else if (!strcasecmp("freeram", data)) {          /* in KiB */
      snprintf(buf, len, "%ld",(sys_info.freeram * sys_info.mem_unit)/1024);
   } else if (!strcasecmp("bufferram", data)) {        /* in KiB */
      snprintf(buf, len, "%ld",(sys_info.bufferram * sys_info.mem_unit)/1024);
   } else if (!strcasecmp("totalswap", data)) {        /* in KiB */
      snprintf(buf, len, "%ld",(sys_info.totalswap * sys_info.mem_unit)/1024);
   } else if (!strcasecmp("freeswap", data)) {         /* in KiB */
      snprintf(buf, len, "%ld",(sys_info.freeswap * sys_info.mem_unit)/1024);
   } else if (!strcasecmp("numprocs", data)) {
      snprintf(buf, len, "%d", sys_info.procs);
   }
#endif
   else {
      ast_log(LOG_ERROR, "Unknown sysinfo parameter type '%s'.\n", data);
      return -1;
   }
      
   return 0;
}

static int unload_module

(

void

)

[static]

Definition at line 105 of file func_sysinfo.c.

References ast_custom_function_unregister().

{
   return ast_custom_function_unregister(&sysinfo_function);
}

---

Variable Documentation

struct ast_module_info __MODULE_INFO_SECTION __mod_info = { __MODULE_INFO_GLOBALS .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "System information related functions" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, } [static]

Definition at line 115 of file func_sysinfo.c.

struct ast_module_info* ast_module_info = &__mod_info [static]

Definition at line 115 of file func_sysinfo.c.

struct ast_custom_function sysinfo_function [static]

Definition at line 84 of file func_sysinfo.c.