From 02c5b73f6e3882ae2872ce9653289cda391e9cc5 Mon Sep 17 00:00:00 2001
From: Denis Kenzior <denkenz@gmail.com>
Date: Mon, 20 Jan 2014 21:42:13 -0600
Subject: [PATCH] =?UTF-8?q?emulator:=20Fix=20CHLD=3D=3F=20not=20treated=20?=
 =?UTF-8?q?as=20part=20of=20SLC?=

---
 src/emulator.c | 44 +++++++++++++++++++++++++++++++++++++-------
 1 file changed, 37 insertions(+), 7 deletions(-)

diff --git a/src/emulator.c b/src/emulator.c
index 6171525e..95697d35 100644
--- a/src/emulator.c
+++ b/src/emulator.c
@@ -1073,16 +1073,11 @@ struct ofono_emulator_request {
 };
 
 static void handler_proxy(GAtServer *server, GAtServerRequestType type,
-				GAtResult *result, gpointer userdata)
+					GAtResult *result, gpointer userdata)
 {
 	struct handler *h = userdata;
 	struct ofono_emulator_request req;
 
-	if (h->em->type == OFONO_EMULATOR_TYPE_HFP && h->em->slc == FALSE) {
-		g_at_server_send_final(h->em->server, G_AT_SERVER_RESULT_ERROR);
-		return;
-	}
-
 	switch (type) {
 	case G_AT_SERVER_REQUEST_TYPE_COMMAND_ONLY:
 		req.type = OFONO_EMULATOR_REQUEST_TYPE_COMMAND_ONLY;
@@ -1103,6 +1098,33 @@ static void handler_proxy(GAtServer *server, GAtServerRequestType type,
 	h->cb(h->em, &req, h->data);
 }
 
+static void handler_proxy_need_slc(GAtServer *server,
+					GAtServerRequestType type,
+					GAtResult *result, gpointer userdata)
+{
+	struct handler *h = userdata;
+
+	if (h->em->slc == FALSE) {
+		g_at_server_send_final(h->em->server, G_AT_SERVER_RESULT_ERROR);
+		return;
+	}
+
+	handler_proxy(server, type, result, userdata);
+}
+
+static void handler_proxy_chld(GAtServer *server, GAtServerRequestType type,
+				GAtResult *result, gpointer userdata)
+{
+	struct handler *h = userdata;
+
+	if (h->em->slc == FALSE && type != G_AT_SERVER_REQUEST_TYPE_SUPPORT) {
+		g_at_server_send_final(h->em->server, G_AT_SERVER_RESULT_ERROR);
+		return;
+	}
+
+	handler_proxy(server, type, result, userdata);
+}
+
 static void handler_destroy(gpointer userdata)
 {
 	struct handler *h = userdata;
@@ -1119,6 +1141,7 @@ ofono_bool_t ofono_emulator_add_handler(struct ofono_emulator *em,
 					void *data, ofono_destroy_func destroy)
 {
 	struct handler *h;
+	GAtServerNotifyFunc func = handler_proxy;
 
 	h = g_new0(struct handler, 1);
 	h->cb = cb;
@@ -1126,7 +1149,14 @@ ofono_bool_t ofono_emulator_add_handler(struct ofono_emulator *em,
 	h->destroy = destroy;
 	h->em = em;
 
-	if (g_at_server_register(em->server, prefix, handler_proxy, h,
+	if (em->type == OFONO_EMULATOR_TYPE_HFP) {
+		func = handler_proxy_need_slc;
+
+		if (!strcmp(prefix, "+CHLD"))
+			func = handler_proxy_chld;
+	}
+
+	if (g_at_server_register(em->server, prefix, func, h,
 					handler_destroy) == TRUE)
 		return TRUE;