Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with
or
.
Download ZIP
branch: master
Fetching contributors…

Cannot retrieve contributors at this time

96 lines (80 sloc) 2.366 kB
/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* Copyright 2011 Couchbase, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <sigar.h>
#ifdef _WIN32
#include <io.h>
#include <fcntl.h>
#endif
struct system_stats {
uint32_t version;
uint32_t struct_size;
uint64_t cpu_total_ms;
uint64_t cpu_idle_ms;
uint64_t swap_total;
uint64_t swap_used;
uint64_t swap_page_in;
uint64_t swap_page_out;
uint64_t mem_total;
uint64_t mem_used;
uint64_t mem_actual_used;
uint64_t mem_actual_free;
};
int main(void)
{
sigar_t *sigar;
sigar_mem_t mem;
sigar_swap_t swap;
sigar_cpu_t cpu;
struct system_stats reply;
sigar_open(&sigar);
#ifdef _WIN32
_setmode(1, _O_BINARY);
_setmode(0, _O_BINARY);
#endif
while (!feof(stdin)) {
int req;
int rv = fread(&req, sizeof(req), 1, stdin);
if (rv < 1) {
continue;
}
if (req != 0) {
break;
}
memset(&reply, 0, sizeof(reply));
reply.version = 0;
reply.struct_size = sizeof(reply);
sigar_mem_get(sigar, &mem);
sigar_swap_get(sigar, &swap);
sigar_cpu_get(sigar, &cpu);
reply.cpu_total_ms = cpu.total;
reply.cpu_idle_ms = cpu.idle + cpu.wait;
reply.swap_total = swap.total;
reply.swap_used = swap.used;
reply.swap_page_in = swap.page_in;
reply.swap_page_out = swap.page_out;
reply.mem_total = mem.total;
reply.mem_used = mem.used;
reply.mem_actual_used = mem.actual_used;
reply.mem_actual_free = mem.actual_free;
fwrite(&reply, sizeof(reply), 1, stdout);
fflush(stdout);
}
return 0;
}
Jump to Line
Something went wrong with that request. Please try again.