From f8247040e6231c4b3b5099ea3a526348b7941566 Mon Sep 17 00:00:00 2001
From: russell <russell@f38db490-d61c-443f-a65b-d21fe96a405b>
Date: Sat, 19 Jan 2008 00:19:29 +0000
Subject: Creating tag for the release of asterisk-1.6.0-beta1

git-svn-id: http://svn.digium.com/svn/asterisk/tags/1.6.0-beta1@99163 f38db490-d61c-443f-a65b-d21fe96a405b
---
 trunk/funcs/func_sysinfo.c | 116 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 trunk/funcs/func_sysinfo.c

(limited to 'trunk/funcs/func_sysinfo.c')

diff --git a/trunk/funcs/func_sysinfo.c b/trunk/funcs/func_sysinfo.c
new file mode 100644
index 000000000..b386b9fb4
--- /dev/null
+++ b/trunk/funcs/func_sysinfo.c
@@ -0,0 +1,116 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2007, 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
+ *
+ * SYSINFO function to return various system data.
+ * 
+ * \note Inspiration and Guidance from Russell
+ *
+ * \author Jeff Peeler
+ *
+ * \ingroup functions
+ */
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision: 87233 $")
+
+#if defined(HAVE_SYSINFO)
+#include <sys/sysinfo.h>
+#endif
+
+#include "asterisk/module.h"
+#include "asterisk/pbx.h"
+
+static int sysinfo_helper(struct ast_channel *chan, const char *cmd, char *data,
+		                         char *buf, size_t len)
+{
+#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 struct ast_custom_function sysinfo_function = {
+	.name = "SYSINFO",
+	.synopsis = "Returns system information specified by parameter.",
+	.syntax = "SYSINFO(<parameter>)",
+	.read = sysinfo_helper,
+	.desc = 
+"Returns information from a given parameter\n"
+"  Options:\n"
+"    loadavg   - system load average from past minute\n"
+"    numcalls  - number of active calls currently in progress\n"
+#if defined(HAVE_SYSINFO)
+"    uptime    - system uptime in hours\n"
+"    totalram  - total usable main memory size in KiB\n"
+"    freeram   - available memory size in KiB\n"
+"    bufferram - memory used by buffers in KiB\n"
+"    totalswap - total swap space size in KiB\n"
+"    freeswap  - free swap space still available in KiB\n"
+"    numprocs  - number of current processes\n",
+#endif /* HAVE_SYSINFO */
+};
+
+static int unload_module(void)
+{
+	return ast_custom_function_unregister(&sysinfo_function);
+}
+
+static int load_module(void)
+{
+	return ast_custom_function_register(&sysinfo_function);
+}
+
+AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "System information related functions");
+
-- 
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