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/* libgsmd tool
*
* (C) 2006-2007 by OpenMoko, Inc.
* Written by Harald Welte <laforge@openmoko.org>
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <libgsmd/libgsmd.h>
#define STDIN_BUF_SIZE 1024
/* this is the handler for receiving passthrough responses */
static int pt_msghandler(struct lgsm_handle *lh, struct gsmd_msg_hdr *gmh)
{
char *payload = (char *)gmh + sizeof(*gmh);
printf("RSTR=`%s'\n", payload);
return 0;
}
int atcmd_main(struct lgsm_handle *lgsmh)
{
int rc;
char buf[STDIN_BUF_SIZE+1];
char rbuf[STDIN_BUF_SIZE+1];
unsigned int rlen = sizeof(rbuf);
fd_set readset;
lgsm_register_handler(lgsmh, GSMD_MSG_PASSTHROUGH, &pt_msghandler);
fcntl(0, F_SETFD, O_NONBLOCK);
fcntl(1, F_SETFD, O_NONBLOCK);
fcntl(2, F_SETFD, O_NONBLOCK);
fcntl(lgsm_fd(lgsmh), F_SETFD, O_NONBLOCK);
FD_ZERO(&readset);
while (1) {
fd_set readset;
int gsm_fd = lgsm_fd(lgsmh);
FD_SET(0, &readset);
FD_SET(gsm_fd, &readset);
rc = select(gsm_fd+1, &readset, NULL, NULL, NULL);
if (rc <= 0)
break;
if (FD_ISSET(gsm_fd, &readset)) {
/* we've received something on the gsmd socket, pass it
* on to the library */
rc = read(gsm_fd, buf, sizeof(buf));
if (rc <= 0) {
printf("ERROR reding from gsm_fd\n");
break;
}
rc = lgsm_handle_packet(lgsmh, buf, rc);
if (rc < 0)
printf("ERROR processing packet: %d(%s)\n", rc, strerror(-rc));
}
if (FD_ISSET(0, &readset)) {
/* we've received something on stdin. send it as passthrough
* to gsmd */
rc = fscanf(stdin, "%s", buf);
if (rc == EOF) {
printf("EOF\n");
return -1;
}
if (rc <= 0) {
printf("NULL\n");
continue;
}
printf("STR=`%s'\n", buf);
/* this is a synchronous call for a passthrough
* command */
rlen = STDIN_BUF_SIZE + 1;
lgsm_passthrough(lgsmh, buf, rbuf, &rlen);
printf("RSTR=`%s'\n", rbuf);
fflush(stdout);
}
}
return 0;
}
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