isdn4k-utils/ant-phone/src/client.c

85 lines
2.1 KiB
C

/*
* client functionality:
* * let a process issue commands (e.g. dial)
*
* This file is part of ANT (Ant is Not a Telephone)
*
* Copyright 2002, 2003 Roland Stigge
*
* ANT 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.
*
* ANT 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 ANT; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* regular GNU system includes */
#include <stddef.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/un.h>
/* own header files */
#include "globals.h"
#include "client.h"
#include "server.h"
#include "util.h"
/*
* (try to) connect to server and issue call command
*
* returns 0 on success, -1 otherwise
*/
int client_make_call(char *number) {
int sock;
struct sockaddr_un local_name;
size_t size;
char *filename;
int bytes;
char *msg;
sock = socket(PF_LOCAL, SOCK_STREAM, 0);
if (sock < 0) {
perror("client: local socket()");
return -1;
}
filename = server_local_socket_name();
local_name.sun_family = AF_LOCAL;
strncpy(local_name.sun_path, filename, sizeof(local_name.sun_path));
size = SUN_LEN(&local_name);
if (connect(sock, (struct sockaddr *) &local_name, sizeof(local_name)) < 0) {
perror("client: local connect()");
return -1;
}
if (asprintf(&msg, "%c%s", LOCAL_MSG_CALL, number) < 0) {
fprintf(stderr, "asprintf error");
return -1;
}
bytes = write(sock, msg, 1 + strlen(number) + 1);
if (bytes < 0) {
perror("socket write");
return -1;
}
free(msg);
close(sock);
free(filename);
return 0;
}