---
gatchat/gsmdial.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 78 insertions(+), 0 deletions(-)
diff --git a/gatchat/gsmdial.c b/gatchat/gsmdial.c
index 92a7ff2..7e6eec9 100644
--- a/gatchat/gsmdial.c
+++ b/gatchat/gsmdial.c
@@ -238,6 +238,76 @@ static gboolean execute(const char *cmd)
return TRUE;
}
+static void ppp_suspend(void)
+{
+ /* Delete the write done CB */
+ g_at_io_set_write_done(g_at_chat_get_io(modem), NULL, NULL);
+
+ /*
+ * We are sure there are no more PPP packets to be written,
+ * we can suspend PPP client
+ */
+ g_at_ppp_suspend(ppp);
+ g_at_chat_send_escape_sequence(modem);
+}
+
+static void power_down_ppp(gboolean ok, GAtResult *result, gpointer user_data)
+{
+ if (!ok)
+ return;
+
+ g_at_ppp_unref(ppp);
+ ppp = NULL;
+}
+
+static gboolean send_ATH0(gpointer user_data)
+{
+ /* Resume AT chat to send ATH0 */
+ g_at_chat_resume(modem);
+ g_at_chat_send(modem, "ATH0", none_prefix, power_down_ppp, NULL, NULL);
+
+ return FALSE;
+}
+
+static void continue_test_sequence(gpointer data)
+{
+ ppp_suspend();
+ g_timeout_add_seconds(5, send_ATH0, NULL);
+}
+
+static void suspend_gat_chat(gboolean ok, GAtResult *result,
+ gpointer user_data)
+{
+ /*
+ * As soon as the command is treated by AT server
+ * we can suspend AT chat and resume PPP client
+ */
+ g_at_chat_suspend(modem);
+ g_at_ppp_resume(ppp);
+
+ /*
+ * As soon as a PPP packet is written by the client, we continue
+ * test sequence.
+ */
+ g_at_io_set_write_done(g_at_chat_get_io(modem),
+ continue_test_sequence, NULL);
+}
+
+static gboolean send_ATO0(gpointer user_data)
+{
+ g_at_chat_resume(modem);
+ g_at_chat_send(modem, "ATO0", none_prefix,
+ suspend_gat_chat, NULL, NULL);
+
+ return FALSE;
+}
+
+static void start_test_sequence(gpointer data)
+{
+ ppp_suspend();
+ g_timeout_add_seconds(5, send_ATO0, NULL);
+}
+
static void ppp_connect(const char *iface, const char *local, const char *peer,
const char *dns1, const char *dns2,
gpointer user_data)
@@ -262,6 +332,14 @@ static void ppp_connect(const char *iface, const char
*local, const char *peer,
snprintf(buf, sizeof(buf), "%s %s %s pointopoint %s", IFCONFIG_PATH,
iface, local, peer);
execute(buf);
+
+ /*
+ * As soon as a PPP packet is written by the client, we start
+ * test sequence.
+ */
+ if (option_esc)
+ g_at_io_set_write_done(g_at_chat_get_io(modem),
+ start_test_sequence, NULL);
}
static void no_carrier_notify(GAtResult *result, gpointer user_data)
--
1.7.1
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