static int _ast_adsi_load_session(struct ast_channel *chan, unsigned char *app, int ver, int data)
{
unsigned char dsp[256] = "";
int bytes = 0, res;
char resp[2];
/* Connect to session */
bytes += ast_adsi_connect_session(dsp + bytes, app, ver);
if (data)
bytes += ast_adsi_data_mode(dsp + bytes);
/* Prepare key setup messages */
if (ast_adsi_transmit_message_full(chan, dsp, bytes, ADSI_MSG_DISPLAY, 0))
return -1;
if (app) {
if ((res = ast_readstring(chan, resp, 1, 1200, 1200, "")) < 0)
return -1;
if (res) {
ast_debug(1, "No response from CPE about version. Assuming not there.\n");
return 0;
}
if (!strcmp(resp, "B")) {
ast_debug(1, "CPE has script '%s' version %d already loaded\n", app, ver);
return 1;
} else if (!strcmp(resp, "A")) {
ast_debug(1, "CPE hasn't script '%s' version %d already loaded\n", app, ver);
} else {
ast_log(LOG_WARNING, "Unexpected CPE response to script query: %s\n", resp);
}
} else
return 1;
return 0;
}
int AST_OPTIONAL_API_NAME(ast_adsi_get_cpeid)(struct ast_channel *chan, unsigned char *cpeid, int voice)
{
unsigned char buf[256] = "";
int bytes = 0, res;
bytes += ast_adsi_data_mode(buf);
ast_adsi_transmit_message_full(chan, buf, bytes, ADSI_MSG_DISPLAY, 0);
bytes = 0;
bytes += ast_adsi_query_cpeid(buf);
ast_adsi_transmit_message_full(chan, buf, bytes, ADSI_MSG_DISPLAY, 0);
/* Get response */
res = ast_adsi_read_encoded_dtmf(chan, cpeid, 4);
if (res != 4) {
ast_log(LOG_WARNING, "Got %d bytes back of encoded DTMF, expecting 4\n", res);
res = 0;
} else {
res = 1;
}
if (voice) {
bytes = 0;
bytes += ast_adsi_voice_mode(buf, 0);
ast_adsi_transmit_message_full(chan, buf, bytes, ADSI_MSG_DISPLAY, 0);
/* Ignore the resulting DTMF B announcing it's in voice mode */
ast_waitfordigit(chan, 1000);
}
return res;
}
static int _ast_adsi_get_cpeinfo(struct ast_channel *chan, int *width, int *height, int *buttons, int voice)
{
unsigned char buf[256] = "";
int bytes = 0, res;
bytes += ast_adsi_data_mode(buf);
ast_adsi_transmit_message_full(chan, buf, bytes, ADSI_MSG_DISPLAY, 0);
bytes = 0;
bytes += ast_adsi_query_cpeinfo(buf);
ast_adsi_transmit_message_full(chan, buf, bytes, ADSI_MSG_DISPLAY, 0);
/* Get width */
if ((res = ast_readstring(chan, (char *)buf, 2, 1000, 500, "")) < 0)
return res;
if (strlen((char *)buf) != 2) {
ast_log(LOG_WARNING, "Got %d bytes of width, expecting 2\n", res);
res = 0;
} else {
res = 1;
}
if (width)
*width = atoi((char *)buf);
/* Get height */
memset(buf, 0, sizeof(buf));
if (res) {
if ((res = ast_readstring(chan, (char *)buf, 2, 1000, 500, "")) < 0)
return res;
if (strlen((char *)buf) != 2) {
ast_log(LOG_WARNING, "Got %d bytes of height, expecting 2\n", res);
res = 0;
} else {
res = 1;
}
if (height)
*height= atoi((char *)buf);
}
/* Get buttons */
memset(buf, 0, sizeof(buf));
if (res) {
if ((res = ast_readstring(chan, (char *)buf, 1, 1000, 500, "")) < 0)
return res;
if (strlen((char *)buf) != 1) {
ast_log(LOG_WARNING, "Got %d bytes of buttons, expecting 1\n", res);
res = 0;
} else {
res = 1;
}
if (buttons)
*buttons = atoi((char *)buf);
}
if (voice) {
bytes = 0;
bytes += ast_adsi_voice_mode(buf, 0);
ast_adsi_transmit_message_full(chan, buf, bytes, ADSI_MSG_DISPLAY, 0);
/* Ignore the resulting DTMF B announcing it's in voice mode */
ast_waitfordigit(chan, 1000);
}
return res;
}
