[PATCH 10/10] gtphub: debug log

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 --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); -- 2.1.4