int adsi_transmit_message(struct ast_channel *chan, unsigned char *msg, int msglen, int msgtype)
{
unsigned char *msgs[5] = { NULL, NULL, NULL, NULL, NULL };
int msglens[5];
int msgtypes[5];
int newdatamode;
int res;
int x;
int writeformat, readformat;
writeformat = chan->writeformat;
readformat = chan->readformat;
newdatamode = chan->adsicpe & ADSI_FLAG_DATAMODE;
for (x=0;x<msglen;x+=(msg[x+1]+2)) {
if (msg[x] == ADSI_SWITCH_TO_DATA)
newdatamode = ADSI_FLAG_DATAMODE;
if (msg[x] == ADSI_SWITCH_TO_VOICE)
newdatamode = 0;
}
msgs[0] = msg;
msglens[0] = msglen;
msgtypes[0] = msgtype;
if (msglen > 253) {
ast_log(LOG_WARNING, "Can't send ADSI message of %d bytes, too large\n", msglen);
return -1;
}
ast_stopstream(chan);
if (ast_set_write_format(chan, AST_FORMAT_ULAW)) {
ast_log(LOG_WARNING, "Unable to set write format to ULAW\n");
return -1;
}
if (ast_set_read_format(chan, AST_FORMAT_ULAW)) {
ast_log(LOG_WARNING, "Unable to set read format to ULAW\n");
if (writeformat) {
if (ast_set_write_format(chan, writeformat))
ast_log(LOG_WARNING, "Unable to restore write format to %d\n", writeformat);
}
return -1;
}
res = __adsi_transmit_messages(chan, msgs, msglens, msgtypes);
if (!res)
chan->adsicpe = (chan->adsicpe & ~ADSI_FLAG_DATAMODE) | newdatamode;
if (writeformat)
ast_set_write_format(chan, writeformat);
if (readformat)
ast_set_read_format(chan, readformat);
return res;
}
int AST_OPTIONAL_API_NAME(ast_adsi_transmit_message_full)(struct ast_channel *chan, unsigned char *msg, int msglen, int msgtype, int dowait)
{
unsigned char *msgs[5] = { NULL, NULL, NULL, NULL, NULL };
int msglens[5], msgtypes[5], newdatamode = (ast_channel_adsicpe(chan) & ADSI_FLAG_DATAMODE), res, x, waitforswitch = 0;
struct ast_format writeformat;
struct ast_format readformat;
ast_format_copy(&writeformat, ast_channel_writeformat(chan));
ast_format_copy(&readformat, ast_channel_readformat(chan));
for (x = 0; x < msglen; x += (msg[x+1]+2)) {
if (msg[x] == ADSI_SWITCH_TO_DATA) {
ast_debug(1, "Switch to data is sent!\n");
waitforswitch++;
newdatamode = ADSI_FLAG_DATAMODE;
}
if (msg[x] == ADSI_SWITCH_TO_VOICE) {
ast_debug(1, "Switch to voice is sent!\n");
waitforswitch++;
newdatamode = 0;
}
}
msgs[0] = msg;
msglens[0] = msglen;
msgtypes[0] = msgtype;
if (msglen > 253) {
ast_log(LOG_WARNING, "Can't send ADSI message of %d bytes, too large\n", msglen);
return -1;
}
ast_stopstream(chan);
if (ast_set_write_format_by_id(chan, AST_FORMAT_ULAW)) {
ast_log(LOG_WARNING, "Unable to set write format to ULAW\n");
return -1;
}
if (ast_set_read_format_by_id(chan, AST_FORMAT_ULAW)) {
ast_log(LOG_WARNING, "Unable to set read format to ULAW\n");
if (writeformat.id) {
if (ast_set_write_format(chan, &writeformat)) {
ast_log(LOG_WARNING, "Unable to restore write format to %s\n", ast_getformatname(&writeformat));
}
}
return -1;
}
res = __adsi_transmit_messages(chan, msgs, msglens, msgtypes);
if (dowait) {
ast_debug(1, "Wait for switch is '%d'\n", waitforswitch);
while (waitforswitch-- && ((res = ast_waitfordigit(chan, 1000)) > 0)) {
res = 0;
ast_debug(1, "Waiting for 'B'...\n");
}
}
if (!res) {
ast_channel_adsicpe_set(chan, (ast_channel_adsicpe(chan) & ~ADSI_FLAG_DATAMODE) | newdatamode);
}
if (writeformat.id) {
ast_set_write_format(chan, &writeformat);
}
if (readformat.id) {
ast_set_read_format(chan, &readformat);
}
if (!res) {
res = ast_safe_sleep(chan, 100 );
}
return res;
}
int adsi_transmit_message_full(struct ast_channel *chan, unsigned char *msg, int msglen, int msgtype, int dowait)
{
unsigned char *msgs[5] = { NULL, NULL, NULL, NULL, NULL };
int msglens[5];
int msgtypes[5];
int newdatamode;
int res;
int x;
int writeformat, readformat;
int waitforswitch = 0;
writeformat = chan->writeformat;
readformat = chan->readformat;
newdatamode = chan->adsicpe & ADSI_FLAG_DATAMODE;
for (x=0;x<msglen;x+=(msg[x+1]+2)) {
if (msg[x] == ADSI_SWITCH_TO_DATA) {
ast_log(LOG_DEBUG, "Switch to data is sent!\n");
waitforswitch++;
newdatamode = ADSI_FLAG_DATAMODE;
}
if (msg[x] == ADSI_SWITCH_TO_VOICE) {
ast_log(LOG_DEBUG, "Switch to voice is sent!\n");
waitforswitch++;
newdatamode = 0;
}
}
msgs[0] = msg;
msglens[0] = msglen;
msgtypes[0] = msgtype;
if (msglen > 253) {
ast_log(LOG_WARNING, "Can't send ADSI message of %d bytes, too large\n", msglen);
return -1;
}
ast_stopstream(chan);
if (ast_set_write_format(chan, AST_FORMAT_ULAW)) {
ast_log(LOG_WARNING, "Unable to set write format to ULAW\n");
return -1;
}
if (ast_set_read_format(chan, AST_FORMAT_ULAW)) {
ast_log(LOG_WARNING, "Unable to set read format to ULAW\n");
if (writeformat) {
if (ast_set_write_format(chan, writeformat))
ast_log(LOG_WARNING, "Unable to restore write format to %d\n", writeformat);
}
return -1;
}
res = __adsi_transmit_messages(chan, msgs, msglens, msgtypes);
if (dowait) {
ast_log(LOG_DEBUG, "Wait for switch is '%d'\n", waitforswitch);
while(waitforswitch-- && ((res = ast_waitfordigit(chan, 1000)) > 0)) { res = 0; ast_log(LOG_DEBUG, "Waiting for 'B'...\n"); }
}
if (!res)
chan->adsicpe = (chan->adsicpe & ~ADSI_FLAG_DATAMODE) | newdatamode;
if (writeformat)
ast_set_write_format(chan, writeformat);
if (readformat)
ast_set_read_format(chan, readformat);
if (!res)
res = ast_safe_sleep(chan, 100 );
return res;
}
