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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <libgsmd/libgsmd.h>
#include <libgsmd/voicecall.h>
#include <libgsmd/misc.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);
}
static int shell_help(void)
{
printf( "\tA\tAnswer incoming call\n"
"\tD\tDial outgoing number\n"
"\tH\tHangup call\n"
"\tO\tPower On\n"
"\to\tPower Off\n"
"\tR\tRegister Netowrk\n"
);
}
int shell_main(struct lgsm_handle *lgsmh)
{
int rc;
char buf[STDIN_BUF_SIZE+1];
char rbuf[STDIN_BUF_SIZE+1];
int rlen = sizeof(rbuf);
fd_set readset;
lgsm_register_handler(lgsmh, GSMD_MSG_PASSTHROUGH, &pt_msghandler);
fcntl(0, 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 (FD_ISSET(0, &readset)) {
/* we've received something on stdin. send it as passthrough
* to gsmd */
printf("# ");
rc = fscanf(stdin, "%s", buf);
if (rc == EOF) {
printf("EOF\n");
return -1;
}
if (rc <= 0) {
printf("NULL\n");
continue;
}
if (!strcmp(buf, "h")) {
shell_help();
} else if (!strcmp(buf, "?")) {
shell_help();
} else if (!strcmp(buf, "H")) {
printf("Hangup\n");
lgsm_voice_hangup(lgsmh);
} else if (buf[0] == 'D') {
struct lgsm_addr addr;
printf("Dial %s\n", buf+1);
addr.type = 129;
strncpy(addr.addr, buf+1, sizeof(addr.addr)-1);
addr.addr[sizeof(addr.addr)-1] = '\0';
lgsm_voice_out_init(lgsmh, &addr);
} else if (!strcmp(buf, "A")) {
printf("Answer\n");
lgsm_voice_in_accept(lgsmh);
} else if (!strcmp(buf, "O")) {
lgsm_phone_power(lgsmh, 1);
} else if (!strcmp(buf, "o")) {
lgsm_phone_power(lgsmh, 0);
} else if (!strcmp(buf, "R")) {
lgsm_netreg_register(lgsmh, 0);
} else {
printf("Unknown command `%s'\n", buf);
}
}
}
}
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