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-rw-r--r--tests/gb/gprs_ns_test.c312
-rw-r--r--tests/gb/gprs_ns_test.ok159
2 files changed, 418 insertions, 53 deletions
diff --git a/tests/gb/gprs_ns_test.c b/tests/gb/gprs_ns_test.c
index d7b769df..38c7d1ff 100644
--- a/tests/gb/gprs_ns_test.c
+++ b/tests/gb/gprs_ns_test.c
@@ -26,6 +26,155 @@
#include <osmocom/gprs/gprs_ns.h>
#include <osmocom/gprs/gprs_bssgp.h>
+#define REMOTE_BSS_ADDR 0x01020304
+#define REMOTE_SGSN_ADDR 0x05060708
+
+#define SGSN_NSEI 0x0100
+
+static int gprs_process_message(struct gprs_ns_inst *nsi, const char *text,
+ struct sockaddr_in *peer, const unsigned char* data,
+ size_t data_len);
+
+static void send_ns_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr,
+ enum ns_cause cause, uint16_t nsvci, uint16_t nsei)
+{
+ /* GPRS Network Service, PDU type: NS_RESET,
+ */
+ unsigned char msg[12] = {
+ 0x02, 0x00, 0x81, 0x01, 0x01, 0x82, 0x11, 0x22,
+ 0x04, 0x82, 0x11, 0x22
+ };
+
+ msg[3] = cause;
+ msg[6] = nsvci / 256;
+ msg[7] = nsvci % 256;
+ msg[10] = nsei / 256;
+ msg[11] = nsei % 256;
+
+ gprs_process_message(nsi, "RESET", src_addr, msg, sizeof(msg));
+}
+
+static void send_ns_reset_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr,
+ uint16_t nsvci, uint16_t nsei)
+{
+ /* GPRS Network Service, PDU type: NS_RESET_ACK,
+ */
+ unsigned char msg[9] = {
+ 0x03, 0x01, 0x82, 0x11, 0x22,
+ 0x04, 0x82, 0x11, 0x22
+ };
+
+ msg[3] = nsvci / 256;
+ msg[4] = nsvci % 256;
+ msg[7] = nsei / 256;
+ msg[8] = nsei % 256;
+
+ gprs_process_message(nsi, "RESET_ACK", src_addr, msg, sizeof(msg));
+}
+
+static void send_ns_alive(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr)
+{
+ /* GPRS Network Service, PDU type: NS_ALIVE */
+ unsigned char msg[1] = {
+ 0x0a
+ };
+
+ gprs_process_message(nsi, "ALIVE", src_addr, msg, sizeof(msg));
+}
+
+static void send_ns_alive_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr)
+{
+ /* GPRS Network Service, PDU type: NS_ALIVE_ACK */
+ unsigned char msg[1] = {
+ 0x0b
+ };
+
+ gprs_process_message(nsi, "ALIVE_ACK", src_addr, msg, sizeof(msg));
+}
+
+static void send_ns_unblock(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr)
+{
+ /* GPRS Network Service, PDU type: NS_UNBLOCK */
+ unsigned char msg[1] = {
+ 0x06
+ };
+
+ gprs_process_message(nsi, "UNBLOCK", src_addr, msg, sizeof(msg));
+}
+
+static void send_ns_unblock_ack(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr)
+{
+ /* GPRS Network Service, PDU type: NS_UNBLOCK_ACK */
+ unsigned char msg[1] = {
+ 0x07
+ };
+
+ gprs_process_message(nsi, "UNBLOCK_ACK", src_addr, msg, sizeof(msg));
+}
+
+static void send_ns_unitdata(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr,
+ uint16_t nsbvci,
+ const unsigned char *bssgp_msg, size_t bssgp_msg_size)
+{
+ /* GPRS Network Service, PDU type: NS_UNITDATA */
+ unsigned char msg[4096] = {
+ 0x00, 0x00, 0x00, 0x00
+ };
+
+ OSMO_ASSERT(bssgp_msg_size <= sizeof(msg) - 4);
+
+ msg[2] = nsbvci / 256;
+ msg[3] = nsbvci % 256;
+ memcpy(msg + 4, bssgp_msg, bssgp_msg_size);
+
+ gprs_process_message(nsi, "UNITDATA", src_addr, msg, bssgp_msg_size + 4);
+}
+
+static void send_bssgp_reset(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr,
+ uint16_t bvci)
+{
+ /* GPRS Network Service, PDU type: NS_UNITDATA, BVCI 0
+ * BSSGP RESET */
+ unsigned char msg[22] = {
+ 0x22, 0x04, 0x82, 0x4a,
+ 0x2e, 0x07, 0x81, 0x08, 0x08, 0x88, 0x10, 0x20,
+ 0x30, 0x40, 0x50, 0x60, 0x10, 0x00
+ };
+
+ msg[3] = bvci / 256;
+ msg[4] = bvci % 256;
+
+ send_ns_unitdata(nsi, src_addr, 0, msg, sizeof(msg));
+}
+
+static void setup_ns(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr,
+ uint16_t nsvci, uint16_t nsei)
+{
+ printf("Setup NS-VC: remote 0x%08x:%d, "
+ "NSVCI 0x%04x(%d), NSEI 0x%04x(%d)\n\n",
+ ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port),
+ nsvci, nsvci, nsei, nsei);
+
+ send_ns_reset(nsi, src_addr, NS_CAUSE_OM_INTERVENTION, nsvci, nsei);
+ send_ns_alive(nsi, src_addr);
+ send_ns_unblock(nsi, src_addr);
+ send_ns_alive_ack(nsi, src_addr);
+}
+
+static void setup_bssgp(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr,
+ uint16_t bvci) __attribute__((__unused__));
+
+static void setup_bssgp(struct gprs_ns_inst *nsi, struct sockaddr_in *src_addr,
+ uint16_t bvci)
+{
+ printf("Setup BSSGP: remote 0x%08x:%d, "
+ "BVCI 0x%04x(%d)\n\n",
+ ntohl(src_addr->sin_addr.s_addr), ntohs(src_addr->sin_port),
+ bvci, bvci);
+
+ send_bssgp_reset(nsi, src_addr, bvci);
+}
+
/* GPRS Network Service, PDU type: NS_RESET,
* Cause: O&M intervention, NS VCI: 0x1122, NSEI 0x1122
*/
@@ -110,18 +259,45 @@ ssize_t sendto(int sockfd, const void *buf, size_t len, int flags,
typedef ssize_t (*sendto_t)(int, const void *, size_t, int,
const struct sockaddr *, socklen_t);
static sendto_t real_sendto = NULL;
+ uint32_t dest_host = htonl(((struct sockaddr_in *)dest_addr)->sin_addr.s_addr);
if (!real_sendto)
real_sendto = dlsym(RTLD_NEXT, "sendto");
- if (((struct sockaddr_in *)dest_addr)->sin_addr.s_addr != htonl(0x01020304))
+ if (dest_host == REMOTE_BSS_ADDR)
+ printf("MESSAGE to BSS, msg length %d\n%s\n\n", len, osmo_hexdump(buf, len));
+ else if (dest_host == REMOTE_SGSN_ADDR)
+ printf("MESSAGE to SGSN, msg length %d\n%s\n\n", len, osmo_hexdump(buf, len));
+ else
return real_sendto(sockfd, buf, len, flags, dest_addr, addrlen);
- printf("RESPONSE, msg length %d\n%s\n\n", len, osmo_hexdump(buf, len));
-
return len;
}
+/* override */
+int gprs_ns_sendmsg(struct gprs_ns_inst *nsi, struct msgb *msg)
+{
+ typedef int (*gprs_ns_sendmsg_t)(struct gprs_ns_inst *nsi, struct msgb *msg);
+ static gprs_ns_sendmsg_t real_gprs_ns_sendmsg = NULL;
+ uint16_t bvci = msgb_bvci(msg);
+ uint16_t nsei = msgb_nsei(msg);
+
+ unsigned char *buf = msg->data;
+ size_t len = msg->len;
+
+ if (!real_gprs_ns_sendmsg)
+ real_gprs_ns_sendmsg = dlsym(RTLD_NEXT, "gprs_ns_sendmsg");
+
+ if (nsei == SGSN_NSEI)
+ printf("NS UNITDATA MESSAGE to SGSN, BVCI 0x%04x, msg length %d\n%s\n\n",
+ bvci, len, osmo_hexdump(buf, len));
+ else
+ printf("NS UNITDATA MESSAGE to BSS, BVCI 0x%04x, msg length %d\n%s\n\n",
+ bvci, len, osmo_hexdump(buf, len));
+
+ return real_gprs_ns_sendmsg(nsi, msg);
+}
+
static void dump_rate_ctr_group(FILE *stream, const char *prefix,
struct rate_ctr_group *ctrg)
{
@@ -217,6 +393,34 @@ static int gprs_process_message(struct gprs_ns_inst *nsi, const char *text, stru
return ret;
}
+static int gprs_send_message(struct gprs_ns_inst *nsi, const char *text,
+ uint16_t nsei, uint16_t bvci,
+ const unsigned char* data, size_t data_len)
+{
+ struct msgb *msg;
+ int ret;
+ if (data_len > NS_ALLOC_SIZE - NS_ALLOC_HEADROOM) {
+ fprintf(stderr, "message too long: %d\n", data_len);
+ return -1;
+ }
+
+ msg = gprs_ns_msgb_alloc();
+ memmove(msg->data, data, data_len);
+ msg->l2h = msg->data;
+ msgb_put(msg, data_len);
+
+ msgb_nsei(msg) = nsei;
+ msgb_bvci(msg) = bvci;
+
+ printf("SENDING %s to NSEI 0x%04x, BVCI 0x%04x\n", text, nsei, bvci);
+
+ ret = gprs_ns_sendmsg(nsi, msg);
+
+ printf("result (%s) = %d\n\n", text, ret);
+
+ return ret;
+}
+
static void gprs_dump_nsi(struct gprs_ns_inst *nsi)
{
struct gprs_nsvc *nsvc;
@@ -224,71 +428,65 @@ static void gprs_dump_nsi(struct gprs_ns_inst *nsi)
printf("Current NS-VCIs:\n");
llist_for_each_entry(nsvc, &nsi->gprs_nsvcs, list) {
struct sockaddr_in *peer = &(nsvc->ip.bts_addr);
- printf(" VCI 0x%04x, NSEI 0x%04x, peer 0x%08x:%d\n",
+ printf(" VCI 0x%04x, NSEI 0x%04x, peer 0x%08x:%d%s%s\n",
nsvc->nsvci, nsvc->nsei,
- ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port)
+ ntohl(peer->sin_addr.s_addr), ntohs(peer->sin_port),
+ nsvc->state & NSE_S_BLOCKED ? ", blocked" : "",
+ nsvc->state & NSE_S_ALIVE ? "" : ", dead"
);
dump_rate_ctr_group(stdout, " ", nsvc->ctrg);
}
printf("\n");
}
-static void test_ns()
+static void test_bss_port_changes()
{
struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL);
struct sockaddr_in peer[4] = {{0},};
peer[0].sin_family = AF_INET;
peer[0].sin_port = htons(1111);
- peer[0].sin_addr.s_addr = htonl(0x01020304);
+ peer[0].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR);
peer[1].sin_family = AF_INET;
peer[1].sin_port = htons(2222);
- peer[1].sin_addr.s_addr = htonl(0x01020304);
+ peer[1].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR);
peer[2].sin_family = AF_INET;
peer[2].sin_port = htons(3333);
- peer[2].sin_addr.s_addr = htonl(0x01020304);
+ peer[2].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR);
peer[3].sin_family = AF_INET;
peer[3].sin_port = htons(4444);
- peer[3].sin_addr.s_addr = htonl(0x01020304);
+ peer[3].sin_addr.s_addr = htonl(REMOTE_BSS_ADDR);
- gprs_process_message(nsi, "RESET", &peer[0],
- gprs_ns_reset, sizeof(gprs_ns_reset));
+ printf("--- Setup, send BSSGP RESET ---\n\n");
+
+ setup_ns(nsi, &peer[0], 0x1122, 0x1122);
gprs_dump_nsi(nsi);
- gprs_process_message(nsi, "ALIVE", &peer[0],
- gprs_ns_alive, sizeof(gprs_ns_alive));
- gprs_process_message(nsi, "UNBLOCK", &peer[0],
- gprs_ns_unblock, sizeof(gprs_ns_unblock));
gprs_process_message(nsi, "BSSGP RESET", &peer[0],
gprs_bssgp_reset, sizeof(gprs_bssgp_reset));
printf("--- Peer port changes, RESET, message remains unchanged ---\n\n");
- gprs_process_message(nsi, "RESET", &peer[1],
- gprs_ns_reset, sizeof(gprs_ns_reset));
+ send_ns_reset(nsi, &peer[1], NS_CAUSE_OM_INTERVENTION, 0x1122, 0x1122);
gprs_dump_nsi(nsi);
printf("--- Peer port changes, RESET, VCI changes ---\n\n");
- gprs_process_message(nsi, "RESET", &peer[2],
- gprs_ns_reset_vci2, sizeof(gprs_ns_reset_vci2));
+ send_ns_reset(nsi, &peer[2], NS_CAUSE_OM_INTERVENTION, 0x3344, 0x1122);
gprs_dump_nsi(nsi);
printf("--- Peer port changes, RESET, NSEI changes ---\n\n");
- gprs_process_message(nsi, "RESET", &peer[3],
- gprs_ns_reset_nsei2, sizeof(gprs_ns_reset_nsei2));
+ send_ns_reset(nsi, &peer[3], NS_CAUSE_OM_INTERVENTION, 0x1122, 0x3344);
gprs_dump_nsi(nsi);
printf("--- Peer port 3333, RESET, VCI is changed back ---\n\n");
- gprs_process_message(nsi, "RESET", &peer[2],
- gprs_ns_reset, sizeof(gprs_ns_reset));
+ send_ns_reset(nsi, &peer[2], NS_CAUSE_OM_INTERVENTION, 0x1122, 0x1122);
gprs_dump_nsi(nsi);
printf("--- Peer port 4444, RESET, NSEI is changed back ---\n\n");
- gprs_process_message(nsi, "RESET", &peer[3],
- gprs_ns_reset, sizeof(gprs_ns_reset));
+ send_ns_reset(nsi, &peer[3], NS_CAUSE_OM_INTERVENTION, 0x1122, 0x1122);
gprs_dump_nsi(nsi);
gprs_ns_destroy(nsi);
@@ -296,6 +494,65 @@ static void test_ns()
}
+static void test_sgsn_output()
+{
+ struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL);
+ struct sockaddr_in sgsn_peer= {0};
+
+ sgsn_peer.sin_family = AF_INET;
+ sgsn_peer.sin_port = htons(32000);
+ sgsn_peer.sin_addr.s_addr = htonl(REMOTE_SGSN_ADDR);
+
+ gprs_dump_nsi(nsi);
+
+ printf("--- Send message to SGSN ---\n\n");
+
+ gprs_send_message(nsi, "BSSGP RESET", SGSN_NSEI, 0,
+ gprs_bssgp_reset+4, sizeof(gprs_bssgp_reset)-4);
+
+ printf("--- Setup dead connection to SGSN ---\n\n");
+
+ gprs_ns_nsip_connect(nsi, &sgsn_peer, SGSN_NSEI, SGSN_NSEI+1);
+ gprs_dump_nsi(nsi);
+
+ printf("--- Send message to SGSN ---\n\n");
+
+ gprs_send_message(nsi, "BSSGP RESET", SGSN_NSEI, 0,
+ gprs_bssgp_reset+4, sizeof(gprs_bssgp_reset)-4);
+
+ printf("--- Make connection to SGSN alive ---\n\n");
+
+ send_ns_reset_ack(nsi, &sgsn_peer, SGSN_NSEI+1, SGSN_NSEI);
+ send_ns_alive_ack(nsi, &sgsn_peer);
+ gprs_dump_nsi(nsi);
+
+ printf("--- Send message to SGSN ---\n\n");
+
+ gprs_send_message(nsi, "BSSGP RESET", SGSN_NSEI, 0,
+ gprs_bssgp_reset+4, sizeof(gprs_bssgp_reset)-4);
+
+ printf("--- Unblock connection to SGSN ---\n\n");
+
+ send_ns_unblock_ack(nsi, &sgsn_peer);
+ send_ns_alive(nsi, &sgsn_peer);
+ gprs_dump_nsi(nsi);
+
+ printf("--- Send message to SGSN ---\n\n");
+
+ gprs_send_message(nsi, "BSSGP RESET", SGSN_NSEI, 0,
+ gprs_bssgp_reset+4, sizeof(gprs_bssgp_reset)-4);
+
+ printf("--- Send empty message with BVCI to SGSN ---\n\n");
+
+ gprs_send_message(nsi, "[empty]", SGSN_NSEI, 0x0102,
+ gprs_bssgp_reset, 0);
+
+
+ gprs_ns_destroy(nsi);
+ nsi = NULL;
+}
+
+
int bssgp_prim_cb(struct osmo_prim_hdr *oph, void *ctx)
{
return -1;
@@ -311,7 +568,8 @@ int main(int argc, char **argv)
osmo_signal_register_handler(SS_L_NS, &test_signal, NULL);
printf("===== NS protocol test START\n");
- test_ns();
+ test_bss_port_changes();
+ test_sgsn_output();
printf("===== NS protocol test END\n\n");
exit(EXIT_SUCCESS);
diff --git a/tests/gb/gprs_ns_test.ok b/tests/gb/gprs_ns_test.ok
index 7be84ef7..5dc1e92a 100644
--- a/tests/gb/gprs_ns_test.ok
+++ b/tests/gb/gprs_ns_test.ok
@@ -1,23 +1,24 @@
===== NS protocol test START
+--- Setup, send BSSGP RESET ---
+
+Setup NS-VC: remote 0x01020304:1111, NSVCI 0x1122(4386), NSEI 0x1122(4386)
+
PROCESSING RESET from 0x01020304:1111
02 00 81 01 01 82 11 22 04 82 11 22
==> got signal NS_RESET, NS-VC 0x1122/1.2.3.4:1111
-RESPONSE, msg length 9
+MESSAGE to BSS, msg length 9
03 01 82 11 22 04 82 11 22
-RESPONSE, msg length 1
+MESSAGE to BSS, msg length 1
0a
result (RESET) = 9
-Current NS-VCIs:
- VCI 0x1122, NSEI 0x1122, peer 0x01020304:1111
-
PROCESSING ALIVE from 0x01020304:1111
0a
-RESPONSE, msg length 1
+MESSAGE to BSS, msg length 1
0b
result (ALIVE) = 1
@@ -26,11 +27,19 @@ PROCESSING UNBLOCK from 0x01020304:1111
06
==> got signal NS_UNBLOCK, NS-VC 0x1122/1.2.3.4:1111
-RESPONSE, msg length 1
+MESSAGE to BSS, msg length 1
07
result (UNBLOCK) = 1
+PROCESSING ALIVE_ACK from 0x01020304:1111
+0b
+
+result (ALIVE_ACK) = 0
+
+Current NS-VCIs:
+ VCI 0x1122, NSEI 0x1122, peer 0x01020304:1111
+
PROCESSING BSSGP RESET from 0x01020304:1111
00 00 00 00 22 04 82 4a 2e 07 81 08 08 88 10 20 30 40 50 60 10 00
@@ -45,16 +54,16 @@ PROCESSING RESET from 0x01020304:2222
02 00 81 01 01 82 11 22 04 82 11 22
==> got signal NS_RESET, NS-VC 0x1122/1.2.3.4:2222
-RESPONSE, msg length 9
+MESSAGE to BSS, msg length 9
03 01 82 11 22 04 82 11 22
-RESPONSE, msg length 1
+MESSAGE to BSS, msg length 1
0a
result (RESET) = 9
Current NS-VCIs:
- VCI 0x1122, NSEI 0x1122, peer 0x01020304:2222
+ VCI 0x1122, NSEI 0x1122, peer 0x01020304:2222, blocked
--- Peer port changes, RESET, VCI changes ---
@@ -62,17 +71,17 @@ PROCESSING RESET from 0x01020304:3333
02 00 81 01 01 82 33 44 04 82 11 22
==> got signal NS_RESET, NS-VC 0x3344/1.2.3.4:3333
-RESPONSE, msg length 9
+MESSAGE to BSS, msg length 9
03 01 82 33 44 04 82 11 22
-RESPONSE, msg length 1
+MESSAGE to BSS, msg length 1
0a
result (RESET) = 9
Current NS-VCIs:
- VCI 0x3344, NSEI 0x1122, peer 0x01020304:3333
- VCI 0x1122, NSEI 0x1122, peer 0x01020304:2222
+ VCI 0x3344, NSEI 0x1122, peer 0x01020304:3333, blocked
+ VCI 0x1122, NSEI 0x1122, peer 0x01020304:2222, blocked
--- Peer port changes, RESET, NSEI changes ---
@@ -80,17 +89,17 @@ PROCESSING RESET from 0x01020304:4444
02 00 81 01 01 82 11 22 04 82 33 44
==> got signal NS_RESET, NS-VC 0x1122/1.2.3.4:4444
-RESPONSE, msg length 9
+MESSAGE to BSS, msg length 9
03 01 82 11 22 04 82 33 44
-RESPONSE, msg length 1
+MESSAGE to BSS, msg length 1
0a
result (RESET) = 9
Current NS-VCIs:
- VCI 0x3344, NSEI 0x1122, peer 0x01020304:3333
- VCI 0x1122, NSEI 0x3344, peer 0x01020304:4444
+ VCI 0x3344, NSEI 0x1122, peer 0x01020304:3333, blocked
+ VCI 0x1122, NSEI 0x3344, peer 0x01020304:4444, blocked
NS-VC changed NSEI : 1
--- Peer port 3333, RESET, VCI is changed back ---
@@ -100,17 +109,17 @@ PROCESSING RESET from 0x01020304:3333
==> got signal NS_REPLACED: 0x1122/1.2.3.4:4444 -> 0x3344/1.2.3.4:3333
==> got signal NS_RESET, NS-VC 0x1122/1.2.3.4:3333
-RESPONSE, msg length 9
+MESSAGE to BSS, msg length 9
03 01 82 11 22 04 82 11 22
-RESPONSE, msg length 1
+MESSAGE to BSS, msg length 1
0a
result (RESET) = 9
Current NS-VCIs:
- VCI 0x3344, NSEI 0x1122, peer 0x00000000:0
- VCI 0x1122, NSEI 0x1122, peer 0x01020304:3333
+ VCI 0x3344, NSEI 0x1122, peer 0x00000000:0, blocked
+ VCI 0x1122, NSEI 0x1122, peer 0x01020304:3333, blocked
NS-VC replaced other count: 1
NS-VC changed NSEI : 2
@@ -120,19 +129,117 @@ PROCESSING RESET from 0x01020304:4444
02 00 81 01 01 82 11 22 04 82 11 22
==> got signal NS_RESET, NS-VC 0x1122/1.2.3.4:4444
-RESPONSE, msg length 9
+MESSAGE to BSS, msg length 9
03 01 82 11 22 04 82 11 22
-RESPONSE, msg length 1
+MESSAGE to BSS, msg length 1
0a
result (RESET) = 9
Current NS-VCIs:
- VCI 0x3344, NSEI 0x1122, peer 0x00000000:0
- VCI 0x1122, NSEI 0x1122, peer 0x01020304:4444
+ VCI 0x3344, NSEI 0x1122, peer 0x00000000:0, blocked
+ VCI 0x1122, NSEI 0x1122, peer 0x01020304:4444, blocked
NS-VC replaced other count: 1
NS-VC changed NSEI : 2
+Current NS-VCIs:
+
+--- Send message to SGSN ---
+
+SENDING BSSGP RESET to NSEI 0x0100, BVCI 0x0000
+NS UNITDATA MESSAGE to SGSN, BVCI 0x0000, msg length 18
+22 04 82 4a 2e 07 81 08 08 88 10 20 30 40 50 60 10 00
+
+result (BSSGP RESET) = -22
+
+--- Setup dead connection to SGSN ---
+
+MESSAGE to SGSN, msg length 12
+02 00 81 01 01 82 01 01 04 82 01 00
+
+Current NS-VCIs:
+ VCI 0x0101, NSEI 0x0100, peer 0x05060708:32000, blocked, dead
+
+--- Send message to SGSN ---
+
+SENDING BSSGP RESET to NSEI 0x0100, BVCI 0x0000
+NS UNITDATA MESSAGE to SGSN, BVCI 0x0000, msg length 18
+22 04 82 4a 2e 07 81 08 08 88 10 20 30 40 50 60 10 00
+
+MESSAGE to SGSN, msg length 22
+00 00 00 00 22 04 82 4a 2e 07 81 08 08 88 10 20 30 40 50 60 10 00
+
+result (BSSGP RESET) = 22
+
+--- Make connection to SGSN alive ---
+
+PROCESSING RESET_ACK from 0x05060708:32000
+03 01 82 01 01 04 82 01 00
+
+MESSAGE to SGSN, msg length 1
+0a
+
+result (RESET_ACK) = 1
+
+PROCESSING ALIVE_ACK from 0x05060708:32000
+0b
+
+MESSAGE to SGSN, msg length 1
+06
+
+result (ALIVE_ACK) = 1
+
+Current NS-VCIs:
+ VCI 0x0101, NSEI 0x0100, peer 0x05060708:32000, blocked
+ NS-VC Block count : 1
+
+--- Send message to SGSN ---
+
+SENDING BSSGP RESET to NSEI 0x0100, BVCI 0x0000
+NS UNITDATA MESSAGE to SGSN, BVCI 0x0000, msg length 18
+22 04 82 4a 2e 07 81 08 08 88 10 20 30 40 50 60 10 00
+
+MESSAGE to SGSN, msg length 22
+00 00 00 00 22 04 82 4a 2e 07 81 08 08 88 10 20 30 40 50 60 10 00
+
+result (BSSGP RESET) = 22
+
+--- Unblock connection to SGSN ---
+
+PROCESSING UNBLOCK_ACK from 0x05060708:32000
+07
+
+==> got signal NS_UNBLOCK, NS-VC 0x0101/5.6.7.8:32000
+result (UNBLOCK_ACK) = 0
+
+PROCESSING ALIVE from 0x05060708:32000
+0a
+
+MESSAGE to SGSN, msg length 1
+0b
+
+result (ALIVE) = 1
+
+Current NS-VCIs:
+ VCI 0x0101, NSEI 0x0100, peer 0x05060708:32000
+ NS-VC Block count : 1
+
+--- Send message to SGSN ---
+
+SENDING BSSGP RESET to NSEI 0x0100, BVCI 0x0000
+NS UNITDATA MESSAGE to SGSN, BVCI 0x0000, msg length 18
+22 04 82 4a 2e 07 81 08 08 88 10 20 30 40 50 60 10 00
+
+result (BSSGP RESET) = -16
+
+--- Send empty message with BVCI to SGSN ---
+
+SENDING [empty] to NSEI 0x0100, BVCI 0x0102
+NS UNITDATA MESSAGE to SGSN, BVCI 0x0102, msg length 0
+
+
+result ([empty]) = -16
+
===== NS protocol test END
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 22:03:15 +0000