gb: Test sending messages to the SGSN

This adds tests for the gprs_ns_sendmsg() function. For this it
merges back functions from the gbproxy test.

Sponsored-by: On-Waves ehf
This commit is contained in:
Jacob Erlbeck 2013-10-17 13:58:34 +02:00 committed by Holger Hans Peter Freyther
parent f41e5e6c5d
commit 0d4e949e22
2 changed files with 418 additions and 53 deletions

View File

@ -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);

View File

@ -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