[PATCH 7/8] emulator: Implement dialing up for DUN

[Gustavo F. Padovan <padovan@profusion.mobi>]

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It handles client ATD*99# request and then initiate the PPP negotiation.
IP forward through the new ppp interface is not done yet.

Initially based on patches from Zhenhua Zhang <zhenhua.zhang@intel.com>
---
 src/emulator.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/src/emulator.c b/src/emulator.c
index aa71e21..12e801d 100644
--- a/src/emulator.c
+++ b/src/emulator.c
@@ -32,11 +32,18 @@
 #include "ofono.h"
 #include "common.h"
 #include "gatserver.h"
+#include "gatppp.h"
+
+#define DUN_SERVER_ADDRESS	"192.168.1.1"
+#define DUN_PEER_ADDRESS	"192.168.1.2"
+#define DUN_DNS_SERVER_1	"10.10.10.10"
+#define DUN_DNS_SERVER_2	"10.10.10.11"
 
 struct ofono_emulator {
 	struct ofono_modem *modem;
 	struct ofono_atom *atom;
 	GAtServer *server;
+	GAtPPP *ppp;
 	struct ofono_emulator_driver *driver;
 };
 
@@ -167,6 +174,12 @@ void ofono_emulator_disable(struct ofono_emulator *e)
 {
 	DBG("");
 
+	if (e->ppp) {
+		g_at_ppp_shutdown(e->ppp);
+		g_at_ppp_unref(e->ppp);
+		e->ppp = NULL;
+	}
+
 	g_at_server_shutdown(e->server);
 	g_at_server_unref(e->server);
 	e->server = NULL;
@@ -201,6 +214,8 @@ int ofono_emulator_enable(struct ofono_emulator *e, int fd)
 	g_at_server_set_disconnect_function(e->server,
 						emulator_disconnect_cb, e);
 
+	g_at_server_register(e->server, "D", dial_cb, e, NULL);
+
 	return 0;
 }
 
-- 
1.7.4.rc3