dtmf: Start handling the DTMF MNCC messages and respond
Simply respond to the dtmf start/stop with a response and move on. Change-Id: Iffc92ea2112c9943ce89c244a9b323125c352ae5
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parent
301860387a
commit
62f50f5297
66
src/mncc.c
66
src/mncc.c
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@ -102,25 +102,35 @@ static struct mncc_call_leg *mncc_find_leg(uint32_t callref)
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return NULL;
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}
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static void mncc_send(struct mncc_connection *conn, uint32_t msg_type, uint32_t callref)
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static void mncc_fill_header(struct gsm_mncc *mncc, uint32_t msg_type, uint32_t callref)
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{
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mncc->msg_type = msg_type;
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mncc->callref = callref;
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}
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static void mncc_write(struct mncc_connection *conn, struct gsm_mncc *mncc, uint32_t callref)
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{
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int rc;
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struct gsm_mncc mncc = { 0, };
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mncc.msg_type = msg_type;
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mncc.callref = callref;
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/*
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* TODO: we need to put cause in here for release or such? shall we return a
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* static struct?
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*/
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rc = write(conn->fd.fd, &mncc, sizeof(mncc));
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if (rc != sizeof(mncc)) {
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rc = write(conn->fd.fd, mncc, sizeof(*mncc));
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if (rc != sizeof(*mncc)) {
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LOGP(DMNCC, LOGL_ERROR, "Failed to send message call(%u)\n", callref);
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close_connection(conn);
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}
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}
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static void mncc_send(struct mncc_connection *conn, uint32_t msg_type, uint32_t callref)
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{
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struct gsm_mncc mncc = { 0, };
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mncc_fill_header(&mncc, msg_type, callref);
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mncc_write(conn, &mncc, callref);
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}
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static void mncc_rtp_send(struct mncc_connection *conn, uint32_t msg_type, uint32_t callref)
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{
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int rc;
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@ -617,6 +627,42 @@ static void check_stp_cnf(struct mncc_connection *conn, char *buf, int rc)
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other_leg->connect_call(other_leg);
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}
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static void check_dtmf_start(struct mncc_connection *conn, char *buf, int rc)
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{
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struct gsm_mncc out_mncc = { 0, };
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struct gsm_mncc *data;
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struct mncc_call_leg *leg;
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leg = find_leg(conn, buf, rc, &data);
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if (!leg)
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return;
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LOGP(DMNCC, LOGL_DEBUG, "leg(%u) DTMF key=%c\n", leg->callref, data->keypad);
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mncc_fill_header(&out_mncc, MNCC_START_DTMF_RSP, leg->callref);
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out_mncc.fields |= MNCC_F_KEYPAD;
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out_mncc.keypad = data->keypad;
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mncc_write(conn, &out_mncc, leg->callref);
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}
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static void check_dtmf_stop(struct mncc_connection *conn, char *buf, int rc)
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{
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struct gsm_mncc out_mncc = { 0, };
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struct gsm_mncc *data;
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struct mncc_call_leg *leg;
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leg = find_leg(conn, buf, rc, &data);
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if (!leg)
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return;
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LOGP(DMNCC, LOGL_DEBUG, "leg(%u) DTMF key=%c\n", leg->callref, data->keypad);
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mncc_fill_header(&out_mncc, MNCC_STOP_DTMF_RSP, leg->callref);
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out_mncc.fields |= MNCC_F_KEYPAD;
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out_mncc.keypad = data->keypad;
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mncc_write(conn, &out_mncc, leg->callref);
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}
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static void check_hello(struct mncc_connection *conn, char *buf, int rc)
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{
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struct gsm_mncc_hello *hello;
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@ -778,6 +824,12 @@ static int mncc_data(struct osmo_fd *fd, unsigned int what)
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case MNCC_HOLD_IND:
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check_hold_ind(conn, buf, rc);
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break;
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case MNCC_START_DTMF_IND:
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check_dtmf_start(conn, buf, rc);
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break;
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case MNCC_STOP_DTMF_IND:
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check_dtmf_stop(conn, buf, rc);
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break;
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default:
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LOGP(DMNCC, LOGL_ERROR, "Unhandled message type %d/0x%x\n",
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msg_type, msg_type);
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