From 510ee0fff16c56fc6932b876e4b78a4b22732c74 Mon Sep 17 00:00:00 2001
From: Pierre Pronchery <khorben@defora.org>
Date: Mon, 10 May 2010 13:22:49 +0000
Subject: [PATCH] Partly implemented unsollicited and intermediate service
 notifications

---
 src/gsm.c   | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/gsm.h   |  2 ++
 src/modem.c | 12 +++++++++++
 src/modem.h |  2 ++
 4 files changed, 74 insertions(+)

diff --git a/src/gsm.c b/src/gsm.c
index 4805565..153d2eb 100644
--- a/src/gsm.c
+++ b/src/gsm.c
@@ -178,6 +178,8 @@ static int _gsm_trigger_cpbr(GSM * gsm, char const * result);
 static int _gsm_trigger_cpin(GSM * gsm, char const * result);
 static int _gsm_trigger_creg(GSM * gsm, char const * result);
 static int _gsm_trigger_cring(GSM * gsm, char const * result);
+static int _gsm_trigger_cssi(GSM * gsm, char const * result);
+static int _gsm_trigger_cssu(GSM * gsm, char const * result);
 static int _gsm_trigger_csq(GSM * gsm, char const * result);
 static int _gsm_trigger_no_answer(GSM * gsm, char const * result,
 		gboolean * answered);
@@ -209,6 +211,8 @@ static GSMTrigger _gsm_triggers[] =
 	GSM_TRIGGER("+CREG: ",		creg),
 	GSM_TRIGGER("+CRING: ",		cring),
 	GSM_TRIGGER("+CSQ: ",		csq),
+	GSM_TRIGGER("+CSSI: ",		cssi),
+	GSM_TRIGGER("+CSSU: ",		cssu),
 	GSM_TRIGGER("NO ANSWER",	no_answer),
 	GSM_TRIGGER("NO CARRIER",	no_carrier),
 	GSM_TRIGGER("NO DIALTONE",	no_dialtone),
@@ -423,6 +427,21 @@ int gsm_set_retry(GSM * gsm, unsigned int retry)
 }
 
 
+/* gsm_set_supplementary_service_notifications */
+int gsm_set_supplementary_service_notifications(GSM * gsm, int intermediate,
+		int unsollicited)
+{
+#ifdef DEBUG
+	fprintf(stderr, "DEBUG: %s(%s, %s)\n", __func__, (intermediate != 0)
+			? "TRUE" : "FALSE", (unsollicited != 0) ? "TRUE"
+			: "FALSE");
+#endif
+	return gsm_modem_set_supplementary_service_notifications(gsm->modem,
+			(intermediate != 0) ? TRUE : FALSE,
+			(unsollicited != 0) ? TRUE : FALSE);
+}
+
+
 /* useful */
 /* gsm_call */
 int gsm_call(GSM * gsm, GSMCallType calltype, char const * number)
@@ -857,6 +876,8 @@ static int _parse_do(GSM * gsm, size_t * i)
 		gsm_modem_set_extended_errors(gsm->modem, TRUE);
 		gsm_modem_set_extended_ring_reports(gsm->modem, TRUE);
 		gsm_modem_set_call_presentation(gsm->modem, TRUE);
+		gsm_modem_set_supplementary_service_notifications(gsm->modem,
+				TRUE, TRUE);
 		gsm_modem_get_model(gsm->modem);
 		_gsm_event_set_status(gsm, GSM_STATUS_INITIALIZED);
 		_gsm_queue_push(gsm);
@@ -1377,6 +1398,43 @@ static int _gsm_trigger_csq(GSM * gsm, char const * result)
 }
 
 
+/* gsm_trigger_cssi */
+static int _gsm_trigger_cssi(GSM * gsm, char const * result)
+{
+	unsigned int i;
+	unsigned int index = 10; /* XXX not used */
+
+#ifdef DEBUG
+	fprintf(stderr, "DEBUG: %s(\"%s\")\n", __func__, result);
+#endif
+	if(sscanf(result, "%u,%u", &i, &index) < 1)
+		return 1;
+	if(i == 1) /* FIXME implement the rest */
+		i = GSM_PHONE_ACTIVITY_CALL;
+	else
+		i = GSM_PHONE_ACTIVITY_UNKNOWN;
+	return gsm_event(gsm, GSM_EVENT_TYPE_PHONE_ACTIVITY, i);
+}
+
+
+/* gsm_trigger_cssu */
+static int _gsm_trigger_cssu(GSM * gsm, char const * result)
+{
+	unsigned int code;
+	unsigned int index = 10;
+	char number[32];
+
+#ifdef DEBUG
+	fprintf(stderr, "DEBUG: %s(\"%s\")\n", __func__, result);
+#endif
+	if(sscanf(result, "%u,%u,\"%31[^\"]\"", &code, &index, number) < 1)
+		return 1;
+	number[sizeof(number) - 1] = '\0';
+	/* FIXME implement */
+	return 1;
+}
+
+
 /* gsm_trigger_no_answer */
 static int _gsm_trigger_no_answer(GSM * gsm, char const * result,
 		gboolean * answered)
diff --git a/src/gsm.h b/src/gsm.h
index a253b50..f6aa193 100644
--- a/src/gsm.h
+++ b/src/gsm.h
@@ -275,6 +275,8 @@ int gsm_set_operator_format(GSM * gsm, GSMOperatorFormat format);
 int gsm_set_operator_mode(GSM * gsm, GSMOperatorMode mode);
 int gsm_set_registration_report(GSM * gsm, GSMRegistrationReport report);
 int gsm_set_retry(GSM * gsm, unsigned int retry);
+int gsm_set_supplementary_service_notifications(GSM * gsm, int intermediate,
+		int unsollicited);
 
 /* useful */
 /* call management */
diff --git a/src/modem.c b/src/modem.c
index 106249b..6dfdc5f 100644
--- a/src/modem.c
+++ b/src/modem.c
@@ -676,6 +676,18 @@ int gsm_modem_set_registration_report(GSMModem * gsmm,
 }
 
 
+/* gsm_modem_set_supplementary_service_notifications */
+int gsm_modem_set_supplementary_service_notifications(GSMModem * gsmm,
+		gboolean intermediate, gboolean unsollicited)
+{
+	char cmd[] = "AT+CSSN=X,X";
+
+	cmd[8] = intermediate ? '1' : '0';
+	cmd[10] = unsollicited ? '1' : '0';
+	return (gsm_queue(gsmm->gsm, cmd) != NULL) ? 0 : 1;
+}
+
+
 /* gsm_modem_set_verbose */
 int gsm_modem_set_verbose(GSMModem * gsmm, gboolean verbose)
 {
diff --git a/src/modem.h b/src/modem.h
index b4ab2b4..5bb90dc 100644
--- a/src/modem.h
+++ b/src/modem.h
@@ -84,6 +84,8 @@ int gsm_modem_set_operator_format(GSMModem * gsmm, GSMOperatorFormat format);
 int gsm_modem_set_operator_mode(GSMModem * gsmm, GSMOperatorMode mode);
 int gsm_modem_set_registration_report(GSMModem * gsmm,
 		GSMRegistrationReport report);
+int gsm_modem_set_supplementary_service_notifications(GSMModem * gsmm,
+		gboolean intermediate, gboolean unsollicited);
 int gsm_modem_set_verbose(GSMModem * gsmm, gboolean verbose);
 
 #endif /* !PHONE_MODEM_H */