add tracing for PPP terminate path

Insert some calls to pppcp_trace() for future debugging needs.

diff --git a/gatchat/ppp_cp.c b/gatchat/ppp_cp.c
index 4cc6c13..df14a33 100644 (file)
--- a/gatchat/ppp_cp.c
+++ b/gatchat/ppp_cp.c
@@ -399,6 +399,8 @@ static void pppcp_send_terminate_request(struct pppcp_data *data)
        struct pppcp_packet *packet;
        struct pppcp_timer_data *timer_data = &data->terminate_timer_data;
 
+       pppcp_trace(data);
+
        /*
         * the data field can be used by the sender (us).
         * leave this empty for now.
@@ -430,6 +432,8 @@ static void pppcp_send_terminate_ack(struct pppcp_data *data,
        struct pppcp_packet *packet;
        struct pppcp_packet *pppcp_header = (struct pppcp_packet *) request;
 
+       pppcp_trace(data);
+
        packet = pppcp_packet_new(data, TERMINATE_ACK, 0);
 
        /* match identifier of the request */
@@ -621,6 +625,8 @@ static void pppcp_open_event(struct pppcp_data *data, guint8 *packet, guint len)
 
 static void pppcp_close_event(struct pppcp_data *data, guint8* packet, guint len)
 {
+       pppcp_trace(data);
+
        switch (data->state) {
        case INITIAL:
                pppcp_transition_state(INITIAL, data);
@@ -1366,6 +1372,8 @@ static guint8 pppcp_process_configure_reject(struct pppcp_data *data,
 static guint8 pppcp_process_terminate_request(struct pppcp_data *data,
                                        struct pppcp_packet *packet)
 {
+       pppcp_trace(data);
+
        return RTR;
 }
 
@@ -1378,6 +1386,8 @@ static guint8 pppcp_process_terminate_ack(struct pppcp_data *data,
         * even if the identifiers don't match, we still handle
         * a terminate ack, as it is allowed to be unelicited
         */
+       pppcp_trace(data);
+
        return RTA;
 }