diff mbox

[10/10] gtphub: debug log

Message ID 1444227508-26608-11-git-send-email-nhofmeyr@sysmocom.de
State Superseded
Headers show

Commit Message

Neels Hofmeyr Oct. 7, 2015, 2:18 p.m. UTC 
Sponsored-by: On-Waves ehi
---
 openbsc/src/gprs/gtphub.c      | 19 +++++++++++++++++--
 openbsc/src/gprs/gtphub_main.c |  1 +
 2 files changed, 18 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/openbsc/src/gprs/gtphub.c b/openbsc/src/gprs/gtphub.c
index c6ce4f6..5d7b63d 100644
--- a/openbsc/src/gprs/gtphub.c
+++ b/openbsc/src/gprs/gtphub.c
@@ -97,13 +97,14 @@  int validate_gtp0_header(const uint8_t *data, int data_len)
 		return GTPH_TOOSHORT;
 	}
 
+	LOG("GTP v0 TID = %" PRIu64 "\n", pheader->tid);
 	return GTPH_V0;
 }
 
 int validate_gtp1_header(const uint8_t *data, int data_len)
 {
-	struct gtp1_header_short *pheader;
-	pheader = (struct gtp1_header_short *)data;
+	struct gtp1_header_long *pheader;
+	pheader = (struct gtp1_header_long *)data;
 
 	OSMO_ASSERT(data_len >= 1);
 
@@ -129,6 +130,18 @@  int validate_gtp1_header(const uint8_t *data, int data_len)
 		return GTPH_TOOSHORT;
 	}
 
+	LOG("GTP v1 type = %" PRIu8 " 0x%02" PRIx8 "\n",
+	    pheader->type, pheader->type);
+	LOG("GTP v1 length = %" PRIu16 " 0x%04" PRIx16 "\n",
+	    ntoh16(pheader->length), ntoh16(pheader->length));
+	LOG("GTP v1 TEI = %" PRIu32 " 0x%08" PRIx32 "\n",
+	    ntoh32(pheader->tei), ntoh32(pheader->tei));
+	LOG("GTP v1 seq = %" PRIu16 " 0x%04" PRIx16 "\n",
+	    ntoh16(pheader->seq), ntoh16(pheader->seq));
+	LOG("GTP v1 npdu = %" PRIu8 " 0x%02" PRIx8 "\n",
+	    pheader->npdu, pheader->npdu);
+	LOG("GTP v1 next = %" PRIu8 " 0x%02" PRIx8 "\n",
+	    pheader->next, pheader->next);
 	return GTPH_V1;
 }
 
@@ -329,6 +342,8 @@  static int gtp_relay(struct osmo_fd *from,
 
 	/* insert magic here */
 
+	LOG("DATA\n%s\n", osmo_hexdump(buf, received));
+
 	int gtph = validate_gtp_header(buf, received);
 
 	if (gtph >= 0)
diff --git a/openbsc/src/gprs/gtphub_main.c b/openbsc/src/gprs/gtphub_main.c
index 104cbfd..b584617 100644
--- a/openbsc/src/gprs/gtphub_main.c
+++ b/openbsc/src/gprs/gtphub_main.c
@@ -199,6 +199,7 @@  int main(int argc, char **argv)
 		LOGERR("Cannot resolve '%s port %d'\n", server_addr_str, server_port);
 		exit(-1);
 	}
+	LOG("DEBUG: using GTP server %s port %d\n", server_addr_str, server_port);
 
 	log_cfg(cfg);