[PATCH V3 2/4] voicecall: add ATD support for HFP emulator

[=?unknown-8bit?q?Fr=C3=A9d=C3=A9ric?= Danis <frederic.danis@linux.intel.com>]

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---
 src/voicecall.c |  109 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 109 insertions(+), 0 deletions(-)

diff --git a/src/voicecall.c b/src/voicecall.c
index 26fe3e4..a6ccddd 100644
--- a/src/voicecall.c
+++ b/src/voicecall.c
@@ -71,6 +71,7 @@ struct ofono_voicecall {
 	GQueue *toneq;
 	guint tone_source;
 	unsigned int hfp_watch;
+	struct ofono_emulator *pending_em;
 };
 
 struct voicecall {
@@ -745,10 +746,14 @@ static void notify_emulator_call_status(struct ofono_voicecall *vc)
 			break;
 
 		case CALL_STATUS_DIALING:
+			if (v->vc->pending_em)
+				return;
 			dialing = TRUE;
 			break;
 
 		case CALL_STATUS_ALERTING:
+			if (v->vc->pending_em)
+				return;
 			alerting = TRUE;
 			break;
 
@@ -2453,6 +2458,10 @@ static void emulator_hfp_unregister(struct ofono_atom *atom)
 						OFONO_ATOM_TYPE_EMULATOR_HFP,
 						emulator_remove_handler,
 						"+VTS");
+	__ofono_modem_foreach_registered_atom(modem,
+						OFONO_ATOM_TYPE_EMULATOR_HFP,
+						emulator_remove_handler,
+						"D");
 
 	__ofono_modem_remove_atom_watch(modem, vc->hfp_watch);
 }
@@ -2941,6 +2950,105 @@ static void emulator_vts_cb(struct ofono_emulator *em,
 	ofono_emulator_send_final(em, &result);
 }
 
+static void emulator_dial_callback(const struct ofono_error *error, void *data)
+{
+	struct ofono_voicecall *vc = data;
+	const char *number = NULL;
+	gboolean need_to_emit;
+	struct voicecall *v;
+
+	v = dial_handle_result(vc, error, number, &need_to_emit);
+
+	if (v == NULL) {
+		struct ofono_modem *modem = __ofono_atom_get_modem(vc->atom);
+
+		if (is_emergency_number(vc, number) == TRUE)
+			__ofono_modem_dec_emergency_mode(modem);
+	}
+
+	ofono_emulator_send_final(vc->pending_em, error);
+
+	vc->pending_em = NULL;
+
+	notify_emulator_call_status(vc);
+
+	if (need_to_emit)
+		voicecalls_emit_call_added(vc, v);
+}
+
+static void emulator_dial(struct ofono_emulator *em, struct ofono_voicecall *vc,
+				const char *number)
+{
+	struct ofono_error result;
+	int err;
+
+	result.error = 0;
+
+	if (vc->pending_em) {
+		result.type = OFONO_ERROR_TYPE_FAILURE;
+		goto send;
+	}
+
+	vc->pending_em = em;
+
+	err = voicecall_dial(vc, number, OFONO_CLIR_OPTION_DEFAULT,
+					emulator_dial_callback, vc);
+
+	if (err >= 0)
+		return;
+
+	vc->pending_em = NULL;
+
+	switch (err) {
+	case -ENETDOWN:
+		result.error = 30;
+		result.type = OFONO_ERROR_TYPE_CME;
+		break;
+
+	default:
+		result.type = OFONO_ERROR_TYPE_FAILURE;
+	}
+
+send:
+	ofono_emulator_send_final(em, &result);
+}
+
+static void emulator_atd_cb(struct ofono_emulator *em,
+			struct ofono_emulator_request *req, void *userdata)
+{
+	struct ofono_voicecall *vc = userdata;
+	const char *str;
+	size_t len;
+	char number[OFONO_MAX_PHONE_NUMBER_LENGTH + 1];
+	struct ofono_error result;
+
+	switch (ofono_emulator_request_get_type(req)) {
+	case OFONO_EMULATOR_REQUEST_TYPE_SET:
+		str = ofono_emulator_request_get_raw(req);
+
+		if (str == NULL || str[0] == '\0')
+			goto fail;
+
+		len = strlen(str);
+
+		if (len > OFONO_MAX_PHONE_NUMBER_LENGTH + 1 ||
+				str[len - 1] != ';')
+			goto fail;
+
+		strncpy(number, str, len - 1);
+		number[len - 1] = '\0';
+
+		emulator_dial(em, vc, number);
+		break;
+
+	default:
+fail:
+		result.error = 0;
+		result.type = OFONO_ERROR_TYPE_FAILURE;
+		ofono_emulator_send_final(em, &result);
+	};
+}
+
 static void emulator_hfp_watch(struct ofono_atom *atom,
 				enum ofono_atom_watch_condition cond,
 				void *data)
@@ -2957,6 +3065,7 @@ static void emulator_hfp_watch(struct ofono_atom *atom,
 	ofono_emulator_add_handler(em, "+CLCC", emulator_clcc_cb, data, NULL);
 	ofono_emulator_add_handler(em, "+CHLD", emulator_chld_cb, data, NULL);
 	ofono_emulator_add_handler(em, "+VTS", emulator_vts_cb, data, NULL);
+	ofono_emulator_add_handler(em, "D", emulator_atd_cb, data, NULL);
 }
 
 void ofono_voicecall_register(struct ofono_voicecall *vc)
-- 
1.7.1