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/*
* Copyright 2014-present Facebook. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/un.h>
#include "modbus.h"
#include "rackmond.h"
int main(int argc, char **argv) {
int error = 0;
rackmond_command cmd;
int clisock;
uint16_t wire_cmd_len = sizeof(cmd);
struct sockaddr_un rackmond_addr;
cmd.type = COMMAND_TYPE_DUMP_DATA_JSON;
clisock = socket(AF_UNIX, SOCK_STREAM, 0);
CHECKP(socket, clisock);
rackmond_addr.sun_family = AF_UNIX;
strcpy(rackmond_addr.sun_path, "/var/run/rackmond.sock");
int addr_len = strlen(rackmond_addr.sun_path) + sizeof(rackmond_addr.sun_family);
CHECKP(connect, connect(clisock, (struct sockaddr*) &rackmond_addr, addr_len));
CHECKP(send, send(clisock, &wire_cmd_len, sizeof(wire_cmd_len), 0));
CHECKP(send, send(clisock, &cmd, wire_cmd_len, 0));
char readbuf[256];
ssize_t n_read;
while((n_read = read(clisock, readbuf, sizeof(readbuf))) > 0) {
write(1, readbuf, n_read);
}
cleanup:
if(error != 0) {
if(errno != 0) {
fprintf(stderr, "%s\n", strerror(errno));
}
error = 1;
}
return error;
}
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