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For backup only, dont compile, TODO missing patch for asn1c compiler

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This commit is contained in:
gauthier
2015-12-01 16:55:41 +01:00
parent 717cd8a102
commit 610e07a96c
9 changed files with 570 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cmake_targets/CMakeLists.txt
+2
View File
@@ -337,6 +337,7 @@ set(S1AP_OAI_generated
${S1AP_C_DIR}/s1ap_decoder.c
${S1AP_C_DIR}/s1ap_encoder.c
${S1AP_C_DIR}/s1ap_xer_print.c
${S1AP_C_DIR}/s1ap_compare.c
${S1AP_C_DIR}/s1ap_ies_defs.h
)
file(GLOB s1ap_h ${S1AP_C_DIR}/*.h)
@@ -1667,6 +1668,7 @@ add_executable(test_epc_play_scenario
${OPENAIR3_DIR}/TEST/EPC_TEST/play_scenario_fsm.c
${OPENAIR3_DIR}/TEST/EPC_TEST/play_scenario_parse.c
${OPENAIR3_DIR}/TEST/EPC_TEST/play_scenario_s1ap.c
${OPENAIR3_DIR}/TEST/EPC_TEST/play_scenario_s1ap_compare_ie.c
${OPENAIR3_DIR}/TEST/EPC_TEST/play_scenario_s1ap_eNB_defs.h
${OPENAIR3_DIR}/TEST/EPC_TEST/play_scenario_sctp.c
${OPENAIR3_DIR}/TEST/EPC_TEST/play_scenario.h
openair3/S1AP/MESSAGES/ASN1/asn1tostruct.py
+145 -1
View File
@@ -250,20 +250,31 @@ for key in iesDefs:
asn1cStruct = re.sub('Item', 'List', asn1cStruct)
keylowerunderscore = re.sub('-', '_', key.lower())
firstlower = re.sub('Item', 'List', re.sub('enb', 'eNB', lowerFirstCamelWord(asn1cStruct)))
f.write("/* %s in iesDefs not in ieofielist.values() */\n" % (key))
f.write("/** \\brief Decode function for %s ies.\n" % (key))
if len(iesDefs[key]["ies"]) != 0:
f.write(" * \\param %s Pointer to ASN1 structure in which data will be stored\n" % (lowerFirstCamelWord(re.sub('-', '_', key))))
f.write(" * \\param any_p Pointer to the ANY value to decode.\n")
f.write(" **/\n")
f.write("int %s_decode_%s(\n" % (fileprefix, keylowerunderscore))
if len(iesDefs[key]["ies"]) != 0:
f.write(" %s_t *%s,\n" % (re.sub('-', '_', key), lowerFirstCamelWord(re.sub('-', '_', key))))
f.write(" ANY_t *any_p);\n\n")
f.write("/* %s in iesDefs not in ieofielist.values() */\n" % (key))
f.write("/** \\brief Compare function for %s ies.\n" % (key))
f.write(" * \\param %s Pointer to the ASN1 structure.\n" % (firstlower))
f.write(" * \\param %s Pointer to the ASN1 structure.\n" % (firstlower))
f.write(" **/\n")
f.write("long %s_compare_%s(\n" % (fileprefix, keylowerunderscore))
f.write(" %s_t *%s1,\n" % (re.sub('-', '_', key), lowerFirstCamelWord(re.sub('-', '_', key))))
f.write(" %s_t *%s2);\n\n" % (re.sub('-', '_', key), lowerFirstCamelWord(re.sub('-', '_', key))))
if len(iesDefs[key]["ies"]) == 0:
continue
f.write("/* %s in iesDefs not in ieofielist.values() */\n" % (key))
f.write("/** \\brief Encode function for %s ies.\n" % (key))
f.write(" * \\param %s Pointer to the ASN1 structure.\n" % (firstlower))
f.write(" * \\param %s Pointer to the IES structure.\n" % (lowerFirstCamelWord(re.sub('-', '_', key))))
@@ -272,16 +283,19 @@ for key in iesDefs:
f.write(" %s_t *%s,\n" % (asn1cStruct, firstlower))
f.write(" %s_t *%s);\n\n" % (re.sub('-', '_', key), lowerFirstCamelWord(re.sub('-', '_', key))))
for key in iesDefs:
if key not in ieofielist.values():
continue
asn1cStruct = re.sub('-', '_', re.sub('IEs', '', key))
asn1cStruct = re.sub('Item', 'List', asn1cStruct)
firstlower = re.sub('Item', 'List', re.sub('enb', 'eNB', lowerFirstCamelWord(asn1cStruct)))
f.write("/* %s in iesDefs in ieofielist.values() */\n" % (key))
f.write("/** \\brief Encode function for %s ies.\n" % (key))
f.write(" * \\param %s Pointer to the ASN1 structure.\n" % (firstlower))
f.write(" * \\param %s Pointer to the IES structure.\n" % (lowerFirstCamelWord(re.sub('-', '_', key))))
f.write(" **/\n")
f.write("/* %s in iesDefs in ieofielist.values() */\n" % (key))
f.write("int %s_encode_%s(\n" % (fileprefix, firstlower.lower()))
f.write(" %s_t *%s,\n" % (asn1cStruct, firstlower))
f.write(" %sIEs_t *%sIEs);\n\n" % (asn1cStruct, firstlower))
@@ -289,9 +303,19 @@ for key in iesDefs:
f.write(" * \\param any_p Pointer to the ANY value to decode.\n")
f.write(" * \\param callback Callback function called when any_p is successfully decoded.\n")
f.write(" **/\n")
f.write("/* %s in iesDefs in ieofielist.values() */\n" % (key))
f.write("int %s_decode_%s(\n" % (fileprefix, firstlower.lower()))
f.write(" %sIEs_t *%sIEs,\n" % (asn1cStruct, firstlower))
f.write(" %s_t *%s);\n\n" % (asn1cStruct, lowerFirstCamelWord(asn1cStruct)))
f.write("/** \\brief Compare function for %s ies.\n" % (key))
f.write(" * \\param %s Pointer to the IES structure.\n" % (firstlower))
f.write(" * \\param %s Pointer to the IES structure.\n" % (firstlower))
f.write(" **/\n")
f.write("long %s_compare_%s(\n" % (fileprefix, firstlower.lower()))
f.write(" %sIEs_t *%s1,\n" % (asn1cStruct, firstlower))
f.write(" %sIEs_t *%s2);\n\n" % (asn1cStruct, firstlower))
for key in iesDefs:
asn1cStruct = re.sub('-', '_', re.sub('IEs', '', key))
@@ -704,3 +728,123 @@ for (key, value) in iesDefs.items():
#f.write("cb_failed:\n")
#f.write(" return er;\n")
f.write("}\n\n")
#Generate xer print functions
f = open(outdir + fileprefix + '_compare.c', 'w')
outputHeaderToFile(f, filename)
f.write("#include <stdlib.h>\n")
f.write("#include <stdio.h>\n\n")
f.write("#include <asn_application.h>\n#include <asn_internal.h>\n\n")
f.write("#include \"%s_common.h\"\n#include \"%s_ies_defs.h\"\n" % (fileprefix, fileprefix))
f.write("#include \"%s-ProtocolIE-ID.h\"\n\n" % (fileprefix_first_upper))
for key in iesDefs:
if key in ieofielist.values():
continue
structName = re.sub('ies', '', key)
asn1cStruct = re.sub('-', '_', re.sub('IEs', '', key))
asn1cStruct = re.sub('Item', 'List', asn1cStruct)
if asn1cStruct.rfind('_') == len(asn1cStruct) - 1:
asn1cStruct = asn1cStruct[:-1]
asn1cStructfirstlower = asn1cStruct[:1].lower() + asn1cStruct[1:]
firstwordlower = re.sub('Item', 'List', re.sub('enb', 'eNB', lowerFirstCamelWord(asn1cStruct)))
iesaccess = ""
if key not in ieofielist.values():
iesaccess = "%s_ies." % (firstwordlower)
keyName = re.sub('-', '_', key)
keyupperunderscore = keyName.upper()
# No IE to encode...
if len(iesDefs[key]["ies"]) == 0:
continue
f.write("long %s_compare_%s(\n" % (fileprefix, re.sub('-', '_', structName.lower())))
f.write(" %s_t *%s1,\n" % (re.sub('-', '_', key), lowerFirstCamelWord(re.sub('-', '_', key))))
f.write(" %s_t *%s2) {\n\n" % (re.sub('-', '_', key), lowerFirstCamelWord(re.sub('-', '_', key))))
f.write(" long rv = 0;\n\n")
f.write(" assert(%s1 != NULL);\n" % (lowerFirstCamelWord(re.sub('-', '_', key))));
f.write(" assert(%s2 != NULL);\n" % (lowerFirstCamelWord(re.sub('-', '_', key))));
loop = 0
for ie in iesDefs[key]["ies"]:
iename = re.sub('-', '_', re.sub('id-', '', ie[0]))
ienameunderscore = re.sub('-', '_', iename)
ienamefirstwordlower = lowerFirstCamelWord(iename)
ieupperunderscore = re.sub('-', '_', re.sub('id-', '', ie[0])).upper()
ietypeunderscore = re.sub('-', '_', ie[2])
if ie[3] != "mandatory":
loop = loop + 1
if loop == 1:
#f.write(" %s_IE_t *ie1 = NULL;\n" % (fileprefix_first_upper))
#f.write(" %s_IE_t *ie2 = NULL;\n" % (fileprefix_first_upper))
f.write(" if (%s1->presenceMask != %s2->presenceMask) return -1;\n" % (lowerFirstCamelWord(re.sub('-', '_', key)), lowerFirstCamelWord(re.sub('-', '_', key))))
if ie[3] == "optional":
f.write(" /* Optional field */\n")
elif ie[3] == "conditional":
f.write(" /* Conditional field */\n")
f.write(" if (%s1->presenceMask & %s_%s_PRESENT) {\n" % (lowerFirstCamelWord(re.sub('-', '_', key)), keyupperunderscore, ieupperunderscore))
if ie[2] in ieofielist.keys():
f.write(" /* collection field */\n")
f.write(" rv = %s_compare_%s(&%s1->%s, &%s2->%s);\n" % (fileprefix, ietypeunderscore.lower(), lowerFirstCamelWord(re.sub('-', '_', key)), ienamefirstwordlower, lowerFirstCamelWord(re.sub('-', '_', key)), ienamefirstwordlower ))
f.write(" if (rv != 0) {rv = rv << 8; rv |= %s_ProtocolIE_ID_id_%s; return rv;}\n" % (fileprefix_first_upper, ienameunderscore))
else:
f.write(" /* simple field */\n")
f.write(" rv = asn_DEF_%s.compare(&asn_DEF_%s, &%s1->%s, &asn_DEF_%s, &%s2->%s); \n" % (ietypeunderscore, ietypeunderscore, lowerFirstCamelWord(re.sub('-', '_', key)), ienamefirstwordlower, ietypeunderscore, lowerFirstCamelWord(re.sub('-', '_', key)), ienamefirstwordlower ))
f.write(" if (rv != 0) {rv = rv << 8; rv |= %s_ProtocolIE_ID_id_%s; return rv;}\n" % (fileprefix_first_upper, ienameunderscore))
f.write(" assert(0);\n");
f.write(" }\n\n")
else:
if ie[2] in ieofielist.keys():
f.write(" /* Mandatory collection field */\n")
f.write(" rv = %s_compare_%s(&%s1->%s, &%s2->%s);\n" % (fileprefix, ietypeunderscore.lower(), lowerFirstCamelWord(re.sub('-', '_', key)), ienamefirstwordlower, lowerFirstCamelWord(re.sub('-', '_', key)), ienamefirstwordlower ))
f.write(" if (rv != 0) {rv = rv << 8; rv |= %s_ProtocolIE_ID_id_%s; return rv;}\n" % (fileprefix_first_upper, ienameunderscore))
else:
f.write(" /* Mandatory simple field */\n")
f.write(" rv = asn_DEF_%s.compare(&asn_DEF_%s, &%s1->%s, &asn_DEF_%s, &%s2->%s);\n" % (ietypeunderscore, ietypeunderscore, lowerFirstCamelWord(re.sub('-', '_', key)), ienamefirstwordlower, ietypeunderscore, lowerFirstCamelWord(re.sub('-', '_', key)), ienamefirstwordlower ))
f.write(" if (rv != 0) {rv = rv << 8; rv |= %s_ProtocolIE_ID_id_%s; return rv;}\n" % (fileprefix_first_upper, ienameunderscore))
f.write(" return 0;\n")
f.write("}\n\n")
for (key, value) in iesDefs.items():
if key not in ieofielist.values():
continue
ie = value["ies"][0]
ietypeunderscore = re.sub('-', '_', ie[2])
asn1cStruct = re.sub('-', '_', re.sub('IEs', '', re.sub('-IEs', '', key)))
asn1cStruct = re.sub('Item', 'List', asn1cStruct)
firstwordlower = re.sub('Item', 'List', re.sub('enb', 'eNB', lowerFirstCamelWord(asn1cStruct)))
for (i, j) in ieofielist.items():
if j == key:
break
f.write("extern asn_TYPE_descriptor_t asn_DEF_%s;\n" % (ietypeunderscore))
f.write("long %s_compare_%s(\n" % (fileprefix, re.sub('-', '_', i).lower()))
f.write(" %sIEs_t *%sIEs1,\n" % (re.sub('-', '_', i), lowerFirstCamelWord(re.sub('-', '_', i))))
f.write(" %sIEs_t *%sIEs2) {\n\n" % (re.sub('-', '_', i), lowerFirstCamelWord(re.sub('-', '_', i))))
f.write(" int i;\n")
f.write(" long rv = 0;\n")
f.write(" assert(%sIEs1 != NULL);\n" % (lowerFirstCamelWord(re.sub('-', '_', i))));
f.write(" assert(%sIEs2 != NULL);\n\n" % (lowerFirstCamelWord(re.sub('-', '_', i))));
f.write(" for (i = 0; i < %sIEs1->%s.count; i++) {\n" % (lowerFirstCamelWord(re.sub('-', '_', i)), re.sub('IEs', '', lowerFirstCamelWord(re.sub('-', '_', key)))))
f.write(" rv = asn_DEF_%s.compare(&asn_DEF_%s, %sIEs1->%s.array[i], &asn_DEF_%s, %sIEs2->%s.array[i]);\n" % (ietypeunderscore, ietypeunderscore, lowerFirstCamelWord(re.sub('-', '_', i)), re.sub('IEs', '', lowerFirstCamelWord(re.sub('-', '_', key))), ietypeunderscore, lowerFirstCamelWord(re.sub('-', '_', i)), re.sub('IEs', '', lowerFirstCamelWord(re.sub('-', '_', key)))))
f.write(" if (rv != 0) return rv;\n")
f.write(" }\n")
f.write(" return 0;\n")
f.write("}\n\n")
openair3/TEST/EPC_TEST/play_scenario.c
+4
View File
@@ -318,15 +318,19 @@ int et_compare_et_ip_to_net_ip_address(const et_ip_t * const ip, const net_ip_ad
S1AP_DEBUG("%s(%s,%s)=%d\n",__FUNCTION__,ip->str, net_ip->ipv4_address, strcmp(ip->str, net_ip->ipv4_address));
return strcmp(ip->str, net_ip->ipv4_address);
}
S1AP_DEBUG("%s(%s,%s)=-1 (IP version (4) not matching)\n",__FUNCTION__,ip->str, net_ip->ipv4_address);
return -1;
break;
case AF_INET6:
if (net_ip->ipv6) {
S1AP_DEBUG("%s(%s,%s)=%d\n",__FUNCTION__,ip->str, net_ip->ipv4_address, strcmp(ip->str, net_ip->ipv6_address));
return strcmp(ip->str, net_ip->ipv6_address);
}
S1AP_DEBUG("%s(%s,%s)=-1 (IP version (6) not matching)\n",__FUNCTION__,ip->str, net_ip->ipv6_address);
return -1;
break;
default:
S1AP_DEBUG("%s(%s,...)=-1 (unknown IP version)\n",__FUNCTION__,ip->str);
return -1;
}
}
openair3/TEST/EPC_TEST/play_scenario.h
+11
View File
@@ -47,6 +47,10 @@
#include "play_scenario_s1ap_eNB_defs.h"
#include "hashtable.h"
// powers of 2
#define ET_BIT_MASK_MATCH_SCTP_STREAM 1
#define ET_BIT_MASK_MATCH_SCTP_SSN 2
//#define ET_BIT_MASK_MATCH_S1AP_ 2
#define MAX_ENB 16
@@ -396,6 +400,8 @@ void et_s1ap_eNB_insert_new_instance(s1ap_eNB_instance_t *new_instance_p);
struct s1ap_eNB_mme_data_s *et_s1ap_eNB_get_MME(s1ap_eNB_instance_t *instance_p,int32_t assoc_id, uint16_t cnx_id);
s1ap_eNB_instance_t *et_s1ap_eNB_get_instance(instance_t instance);
void et_s1ap_eNB_itti_send_sctp_data_req(instance_t instance, int32_t assoc_id, uint8_t *buffer,uint32_t buffer_length, uint16_t stream);
int et_s1ap_is_matching(et_s1ap_t * const s1ap1, et_s1ap_t * const s1ap2, const uint32_t constraints);
et_packet_t* et_build_packet_from_s1ap_data_ind(et_event_s1ap_data_ind_t * const s1ap_data_ind);
void et_s1ap_process_rx_packet(et_event_s1ap_data_ind_t * const sctp_data_ind);
void et_s1ap_eNB_handle_sctp_data_ind(sctp_data_ind_t * const sctp_data_ind);
void et_s1ap_eNB_register_mme(s1ap_eNB_instance_t *instance_p,
@@ -428,6 +434,11 @@ void et_parse_sctp(xmlDocPtr doc, const xmlNode const *sctp_node, et_sctp_hdr_t
et_packet_t* et_parse_xml_packet(xmlDocPtr doc, xmlNodePtr node);
et_scenario_t* et_generate_scenario(const char * const et_scenario_filename );
//-------------------------
int et_s1ap_ies_is_matching(const S1AP_PDU_PR present, s1ap_message * const m1, s1ap_message * const m2, const uint32_t constraints);
//-------------------------
int et_sctp_data_is_matching(sctp_datahdr_t * const sctp1, sctp_datahdr_t * const sctp2, const uint32_t constraints);
int et_sctp_is_matching(et_sctp_hdr_t * const sctp1, et_sctp_hdr_t * const sctp2, const uint32_t constraints);
//------------------------------------------------------------------------------
void et_print_hex_octets(const unsigned char * const byte_stream, const unsigned long int num);
int et_is_file_exists ( const char const * file_nameP, const char const *file_roleP);
int et_strip_extension( char *in_filename);
openair3/TEST/EPC_TEST/play_scenario_fsm.c
+9 -2
View File
@@ -50,6 +50,7 @@
et_scenario_t *g_scenario = NULL;
pthread_mutex_t g_fsm_lock = PTHREAD_MUTEX_INITIALIZER;
et_fsm_state_t g_fsm_state = ET_FSM_STATE_NULL;
uint32_t g_constraints = ET_BIT_MASK_MATCH_SCTP_STREAM | ET_BIT_MASK_MATCH_SCTP_SSN;
//------------------------------------------------------------------------------
int timeval_subtract (struct timeval * const result, struct timeval * const a, struct timeval * const b)
{
@@ -123,6 +124,9 @@ void et_scenario_schedule_tx_packet(et_packet_t * const packet)
}
if (we_are_too_early > 0) {
// set timer
LOG_D(ENB_APP, "Send packet num %u original frame number %u in %ld.%d sec\n",
packet->packet_number, packet->original_frame_number, offset.tv_sec, offset.tv_usec);
packet->status = ET_PACKET_STATUS_SCHEDULED_FOR_SENDING;
if (timer_setup (offset.tv_sec, offset.tv_usec, TASK_S1AP, INSTANCE_DEFAULT, TIMER_ONE_SHOT,
NULL, &packet->timer_id) < 0) {
@@ -130,7 +134,9 @@ void et_scenario_schedule_tx_packet(et_packet_t * const packet)
}
// Done g_fsm_state = ET_FSM_STATE_WAITING_TX_EVENT;
} else {
LOG_D(ENB_APP, "Send packet num %u original frame number %u immediately\n", packet->packet_number, packet->original_frame_number);
// send immediately
AssertFatal(0 == gettimeofday(&packet->timestamp_packet, NULL), "gettimeofday() Failed");
et_s1ap_eNB_itti_send_sctp_data_req(
packet->enb_instance,
packet->sctp_hdr.u.data_hdr.assoc_id,
@@ -161,7 +167,7 @@ et_fsm_state_t et_scenario_fsm_notify_event_state_running(et_event_t event)
AssertFatal(0, "Event ET_EVENT_TX_TIMED_PACKET not handled in FSM state ET_FSM_STATE_RUNNING");
break;
case ET_EVENT_RX_S1AP:
AssertFatal(0, "TODO");
et_s1ap_process_rx_packet(&event.u.s1ap_data_ind);
break;
default:
AssertFatal(0, "Case event %d not handled in ET_FSM_STATE_RUNNING", event.code);
@@ -185,6 +191,7 @@ et_fsm_state_t et_scenario_fsm_notify_event_state_waiting(et_event_t event)
break;
case ET_EVENT_TX_TIMED_PACKET:
// send immediately
AssertFatal(0 == gettimeofday(&event.u.tx_timed_packet->timestamp_packet, NULL), "gettimeofday() Failed");
et_s1ap_eNB_itti_send_sctp_data_req(
event.u.tx_timed_packet->enb_instance,
event.u.tx_timed_packet->sctp_hdr.u.data_hdr.assoc_id,
@@ -290,7 +297,7 @@ et_fsm_state_t et_scenario_fsm_notify_event_state_null(et_event_t event)
switch (g_scenario->next_packet->sctp_hdr.chunk_type) {
case SCTP_CID_DATA :
// no init in this scenario, may be sub-scenario
// no init in this scenario, may be sub-scenario, ...
if (g_scenario->next_packet->action == ET_PACKET_ACTION_S1C_SEND) {
et_scenario_schedule_tx_packet(g_scenario->next_packet);
pthread_mutex_unlock(&g_fsm_lock);
openair3/TEST/EPC_TEST/play_scenario_parse.c
+2 -2
View File
@@ -518,7 +518,7 @@ int et_generate_xml_scenario(
for (i = 0; i < g_enb_properties.number; i++) {
// eNB S1-C IPv4 address
sprintf(astring, "enb_s1c%d", i);
sprintf(astring, "enb%d_s1c", i);
params[nb_params++] = strdup(astring);
addr.s_addr = g_enb_properties.properties[i]->enb_ipv4_address_for_S1_MME;
sprintf(astring, "\"%s\"", inet_ntoa(addr));
@@ -526,7 +526,7 @@ int et_generate_xml_scenario(
// MME S1-C IPv4 address
for (j = 0; j < g_enb_properties.properties[i]->nb_mme; j++) {
sprintf(astring, "mme_s1c%d_%d", i, j);
sprintf(astring, "mme%d_s1c_%d", i, j);
params[nb_params++] = strdup(astring);
AssertFatal (g_enb_properties.properties[i]->mme_ip_address[j].ipv4_address,
"Only support MME IPv4 address\n");
openair3/TEST/EPC_TEST/play_scenario_s1ap.c
+79 -4
View File
@@ -40,6 +40,7 @@
#include <stdint.h>
#include <unistd.h>
#include <crypt.h>
#include <sys/time.h>
#include "tree.h"
#include "queue.h"
@@ -58,6 +59,7 @@ s1ap_eNB_internal_data_t s1ap_eNB_internal_data;
RB_GENERATE(s1ap_mme_map, s1ap_eNB_mme_data_s, entry, et_s1ap_eNB_compare_assoc_id);
//------------------------------------------------------------------------------
extern et_scenario_t *g_scenario;
extern uint32_t g_constraints;
//------------------------------------------------------------------------------
int et_s1ap_eNB_compare_assoc_id(
struct s1ap_eNB_mme_data_s *p1, struct s1ap_eNB_mme_data_s *p2)
@@ -187,20 +189,86 @@ void et_s1ap_eNB_itti_send_sctp_data_req(instance_t instance, int32_t assoc_id,
itti_send_msg_to_task(TASK_SCTP, instance, message_p);
}
//------------------------------------------------------------------------------
void et_s1ap_process_rx_packet(et_event_s1ap_data_ind_t * const sctp_data_ind)
int et_s1ap_is_matching(et_s1ap_t * const s1ap1, et_s1ap_t * const s1ap2, const uint32_t constraints)
{
if (s1ap1->pdu.present != s1ap2->pdu.present) return -6;
switch (s1ap1->pdu.present) {
case S1AP_PDU_PR_NOTHING:
break;
case S1AP_PDU_PR_initiatingMessage:
if (s1ap1->pdu.choice.initiatingMessage.procedureCode != s1ap2->pdu.choice.initiatingMessage.procedureCode) return -7;
if (s1ap1->pdu.choice.initiatingMessage.criticality != s1ap2->pdu.choice.initiatingMessage.criticality) return -8;
break;
case S1AP_PDU_PR_successfulOutcome:
if (s1ap1->pdu.choice.successfulOutcome.procedureCode != s1ap2->pdu.choice.successfulOutcome.procedureCode) return -7;
if (s1ap1->pdu.choice.successfulOutcome.criticality != s1ap2->pdu.choice.successfulOutcome.criticality) return -8;
break;
case S1AP_PDU_PR_unsuccessfulOutcome:
if (s1ap1->pdu.choice.unsuccessfulOutcome.procedureCode != s1ap2->pdu.choice.unsuccessfulOutcome.procedureCode) return -7;
if (s1ap1->pdu.choice.unsuccessfulOutcome.criticality != s1ap2->pdu.choice.unsuccessfulOutcome.criticality) return -8;
break;
default:
AssertFatal(0, "Unknown pdu.present %d", s1ap1->pdu.present);
}
if (s1ap1->binary_stream_allocated_size == s1ap2->binary_stream_allocated_size) {
if (memcmp((void*)s1ap1->binary_stream, (void*)s1ap2->binary_stream, s1ap1->binary_stream_allocated_size) == 0) return 0;
}
// if no matching, may be the scenario need minor corrections (same enb_ue_s1ap_id but need to update mme_ue_s1ap_id)
return et_s1ap_ies_is_matching(s1ap1->pdu.present, &s1ap1->message, &s1ap2->message, constraints);
}
//------------------------------------------------------------------------------
et_packet_t* et_build_packet_from_s1ap_data_ind(et_event_s1ap_data_ind_t * const s1ap_data_ind)
{
et_packet_t * packet = NULL;
AssertFatal (NULL != s1ap_data_ind, "Bad parameter sctp_data_ind\n");
packet = calloc(1, sizeof(*packet));
packet->action = ET_PACKET_ACTION_S1C_NULL;
//packet->time_relative_to_first_packet.tv_sec = 0;
//packet->time_relative_to_first_packet.tv_usec = 0;
//packet->time_relative_to_last_sent_packet.tv_sec = 0;
//packet->time_relative_to_last_sent_packet.tv_usec = 0;
//packet->time_relative_to_last_received_packet.tv_sec = 0;
//packet->time_relative_to_last_received_packet.tv_usec = 0;
//packet->original_frame_number = 0;
//packet->packet_number = 0;
packet->enb_instance = 0; //TODO
//packet->ip_hdr;
// keep in mind: allocated buffer: sctp_datahdr.payload.binary_stream
memcpy((void*)&packet->sctp_hdr, (void*)&s1ap_data_ind->sctp_datahdr, sizeof(packet->sctp_hdr));
//packet->next = NULL;
packet->status = ET_PACKET_STATUS_RECEIVED;
//packet->timer_id = 0;
AssertFatal(0 == gettimeofday(&packet->timestamp_packet, NULL), "gettimeofday() Failed");
return packet;
}
//------------------------------------------------------------------------------
void et_s1ap_process_rx_packet(et_event_s1ap_data_ind_t * const s1ap_data_ind)
{
et_packet_t * packet = NULL;
et_packet_t * rx_packet = NULL;
unsigned long int not_found = 1;
AssertFatal (NULL != s1ap_data_ind, "Bad parameter sctp_data_ind\n");
rx_packet = et_build_packet_from_s1ap_data_ind(s1ap_data_ind);
packet = g_scenario->next_packet;
// not_found threshold may sure depend on number of mme, may be not sure on number of UE
while ((NULL != packet) && (not_found < 5)) {
if (packet->action == ET_PACKET_ACTION_S1C_RECEIVE) {
//TODO
if (et_sctp_is_matching(&packet->sctp_hdr, &rx_packet->sctp_hdr, g_constraints) == 0) {
et_scenario_set_packet_received(packet);
}
}
not_found += 1;
packet = packet->next;
}
S1AP_DEBUG("Rx packet not found in scenario:\n");
et_display_packet_sctp(&rx_packet->sctp_hdr);
}
//------------------------------------------------------------------------------
@@ -234,7 +302,7 @@ void et_s1ap_eNB_handle_sctp_data_ind(sctp_data_ind_t * const sctp_data_ind)
&event.u.s1ap_data_ind.sctp_datahdr.payload.message,
event.u.s1ap_data_ind.sctp_datahdr.payload.binary_stream,
event.u.s1ap_data_ind.sctp_datahdr.payload.binary_stream_allocated_size) < 0) {
AssertFatal (0, "ERROR %s() Cannot decode RX S1AP message!\n", __FUNCTION__);
AssertFatal (0, "ERROR Cannot decode RX S1AP message!\n");
}
}
@@ -319,6 +387,7 @@ void et_s1ap_update_assoc_id_of_packets(const int32_t assoc_id,
switch (packet->sctp_hdr.chunk_type) {
case SCTP_CID_DATA :
S1AP_DEBUG("%s for SCTP association (%u) SCTP_CID_DATA\n",__FUNCTION__,assoc_id);
if (ET_PACKET_STATUS_NONE == packet->status) {
if (0 < old_mme_port) {
if (g_scenario->next_packet->action == ET_PACKET_ACTION_S1C_SEND) {
@@ -355,6 +424,7 @@ void et_s1ap_update_assoc_id_of_packets(const int32_t assoc_id,
// Strong assumption
// in replayed scenario, the order of SCTP INIT packets is supposed to be the same as in the catched scenario
case SCTP_CID_INIT:
S1AP_DEBUG("%s for SCTP association (%u) SCTP_CID_INIT\n",__FUNCTION__,assoc_id);
ret = et_compare_et_ip_to_net_ip_address(&packet->ip_hdr.dst, &mme_desc_p->mme_net_ip_address);
if (0 == ret) {
ret = et_compare_et_ip_to_net_ip_address(&packet->ip_hdr.src, &s1ap_eNB_instance->s1c_net_ip_address);
@@ -363,6 +433,7 @@ void et_s1ap_update_assoc_id_of_packets(const int32_t assoc_id,
if (ET_PACKET_STATUS_NONE == packet->status) {
packet->status = ET_PACKET_STATUS_SENT;
old_enb_port = packet->sctp_hdr.src_port;
S1AP_DEBUG("%s for SCTP association (%u) SCTP_CID_INIT SUCCESS\n",__FUNCTION__,assoc_id);
}
}
}
@@ -370,14 +441,16 @@ void et_s1ap_update_assoc_id_of_packets(const int32_t assoc_id,
break;
case SCTP_CID_INIT_ACK:
ret = et_compare_et_ip_to_net_ip_address(&packet->ip_hdr.dst, &mme_desc_p->mme_net_ip_address);
S1AP_DEBUG("%s for SCTP association (%u) SCTP_CID_INIT_ACK\n",__FUNCTION__,assoc_id);
ret = et_compare_et_ip_to_net_ip_address(&packet->ip_hdr.src, &mme_desc_p->mme_net_ip_address);
if (0 == ret) {
ret = et_compare_et_ip_to_net_ip_address(&packet->ip_hdr.src, &s1ap_eNB_instance->s1c_net_ip_address);
ret = et_compare_et_ip_to_net_ip_address(&packet->ip_hdr.dst, &s1ap_eNB_instance->s1c_net_ip_address);
if (0 == ret) {
if (old_enb_port == packet->sctp_hdr.dst_port) {
if (ET_PACKET_STATUS_NONE == packet->status) {
packet->status = ET_PACKET_STATUS_RECEIVED;
old_mme_port = packet->sctp_hdr.dst_port;
S1AP_DEBUG("%s for SCTP association (%u) SCTP_CID_INIT_ACK SUCCESS\n",__FUNCTION__,assoc_id);
}
}
}
@@ -475,6 +548,7 @@ void et_s1ap_eNB_handle_register_eNB(instance_t instance, s1ap_register_enb_req_
DevCheck(new_instance->mcc == s1ap_register_eNB->mcc, new_instance->mcc, s1ap_register_eNB->mcc, 0);
DevCheck(new_instance->mnc == s1ap_register_eNB->mnc, new_instance->mnc, s1ap_register_eNB->mnc, 0);
DevCheck(new_instance->mnc_digit_length == s1ap_register_eNB->mnc_digit_length, new_instance->mnc_digit_length, s1ap_register_eNB->mnc_digit_length, 0);
DevCheck(memcmp((void*)&new_instance->s1c_net_ip_address, (void*)&s1ap_register_eNB->enb_ip_address, sizeof(new_instance->s1c_net_ip_address)) == 0, 0,0,0);
} else {
new_instance = calloc(1, sizeof(s1ap_eNB_instance_t));
DevAssert(new_instance != NULL);
@@ -491,6 +565,7 @@ void et_s1ap_eNB_handle_register_eNB(instance_t instance, s1ap_register_enb_req_
new_instance->mcc = s1ap_register_eNB->mcc;
new_instance->mnc = s1ap_register_eNB->mnc;
new_instance->mnc_digit_length = s1ap_register_eNB->mnc_digit_length;
memcpy((void*)&new_instance->s1c_net_ip_address, (void*)&s1ap_register_eNB->enb_ip_address, sizeof(new_instance->s1c_net_ip_address));
/* Add the new instance to the list of eNB (meaningfull in virtual mode) */
et_s1ap_eNB_insert_new_instance(new_instance);
openair3/TEST/EPC_TEST/play_scenario_s1ap_compare_ie.c
+273
View File
@@ -0,0 +1,273 @@
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*
play_scenario_s1ap_compare_ie.c
-------------------
AUTHOR : Lionel GAUTHIER
COMPANY : EURECOM
EMAIL : Lionel.Gauthier@eurecom.fr
*/
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <unistd.h>
#include <crypt.h>
#include "tree.h"
#include "queue.h"
#include "intertask_interface.h"
#include "timer.h"
#include "platform_types.h"
#include "assertions.h"
#include "conversions.h"
#include "s1ap_common.h"
#include "play_scenario_s1ap_eNB_defs.h"
#include "play_scenario.h"
#include "msc.h"
//------------------------------------------------------------------------------
extern et_scenario_t *g_scenario;
extern uint32_t g_constraints;
//------------------------------------------------------------------------------
int et_s1ap_ies_is_matching(const S1AP_PDU_PR present, s1ap_message * const m1, s1ap_message * const m2, const uint32_t constraints)
{
long ret = 0;
AssertFatal(m1 != NULL, "bad parameter m1");
AssertFatal(m2 != NULL, "bad parameter m2");
if (m1->procedureCode != m2->procedureCode) return -1;
// some cases can never occur since uplink only.
switch (m1->procedureCode) {
case S1ap_ProcedureCode_id_HandoverPreparation:
AssertFatal(0, "S1ap_ProcedureCode_id_InitialContextSetup not implemented");
break;
case S1ap_ProcedureCode_id_HandoverResourceAllocation:
AssertFatal(0, "S1ap_ProcedureCode_id_InitialContextSetup not implemented");
break;
case S1ap_ProcedureCode_id_HandoverNotification:
AssertFatal(0, "S1ap_ProcedureCode_id_HandoverNotification not implemented");
break;
case S1ap_ProcedureCode_id_PathSwitchRequest:
ret = s1ap_compare_s1ap_pathswitchrequesties(
&m1->msg.s1ap_PathSwitchRequestIEs,
&m2->msg.s1ap_PathSwitchRequestIEs);
break;
case S1ap_ProcedureCode_id_HandoverCancel:
ret = s1ap_compare_s1ap_handovercancelies(
&m1->msg.s1ap_HandoverCancelIEs,
&m2->msg.s1ap_HandoverCancelIEs);
break;
case S1ap_ProcedureCode_id_E_RABSetup:
case S1ap_ProcedureCode_id_E_RABModify:
case S1ap_ProcedureCode_id_E_RABRelease:
if (present == S1AP_PDU_PR_initiatingMessage) {
ret = s1ap_compare_s1ap_e_rabreleasecommandies(
&m1->msg.s1ap_E_RABReleaseCommandIEs,
&m2->msg.s1ap_E_RABReleaseCommandIEs);
} else if (present == S1AP_PDU_PR_successfulOutcome) {
ret = s1ap_compare_s1ap_e_rabreleaseresponseies(
&m1->msg.s1ap_E_RABReleaseResponseIEs,
&m2->msg.s1ap_E_RABReleaseResponseIEs);
}
break;
case S1ap_ProcedureCode_id_E_RABReleaseIndication:
ret = s1ap_compare_s1ap_e_rabreleaseindicationies(
&m1->msg.s1ap_E_RABReleaseIndicationIEs,
&m2->msg.s1ap_E_RABReleaseIndicationIEs);
break;
case S1ap_ProcedureCode_id_InitialContextSetup:
AssertFatal(0, "S1ap_ProcedureCode_id_InitialContextSetup not implemented");
break;
case S1ap_ProcedureCode_id_Paging:
ret = s1ap_compare_s1ap_pagingies(
&m1->msg.s1ap_PagingIEs,
&m2->msg.s1ap_PagingIEs);
break;
case S1ap_ProcedureCode_id_downlinkNASTransport:
ret = s1ap_compare_s1ap_downlinknastransporties(
&m1->msg.s1ap_DownlinkNASTransportIEs,
&m2->msg.s1ap_DownlinkNASTransportIEs);
break;
case S1ap_ProcedureCode_id_initialUEMessage:
ret = s1ap_compare_s1ap_initialuemessageies(
&m1->msg.s1ap_InitialUEMessageIEs,
&m2->msg.s1ap_InitialUEMessageIEs);
break;
case S1ap_ProcedureCode_id_uplinkNASTransport:
ret = s1ap_compare_s1ap_uplinknastransporties(
&m1->msg.s1ap_UplinkNASTransportIEs,
&m2->msg.s1ap_UplinkNASTransportIEs);
break;
case S1ap_ProcedureCode_id_Reset:
ret = s1ap_compare_s1ap_reseties(
&m1->msg.s1ap_ResetIEs,
&m2->msg.s1ap_ResetIEs);
break;
case S1ap_ProcedureCode_id_ErrorIndication:
ret = s1ap_compare_s1ap_errorindicationies(
&m1->msg.s1ap_ErrorIndicationIEs,
&m2->msg.s1ap_ErrorIndicationIEs);
break;
case S1ap_ProcedureCode_id_NASNonDeliveryIndication:
ret = s1ap_compare_s1ap_nasnondeliveryindication_ies(
&m1->msg.s1ap_NASNonDeliveryIndication_IEs,
&m2->msg.s1ap_NASNonDeliveryIndication_IEs);
break;
case S1ap_ProcedureCode_id_S1Setup:
if (present == S1AP_PDU_PR_initiatingMessage) {
ret = s1ap_compare_s1ap_s1setuprequesties(
&m1->msg.s1ap_S1SetupRequestIEs,
&m2->msg.s1ap_S1SetupRequestIEs);
} else if (present == S1AP_PDU_PR_successfulOutcome) {
ret = s1ap_compare_s1ap_s1setupresponseies(
&m1->msg.s1ap_S1SetupResponseIEs,
&m2->msg.s1ap_S1SetupResponseIEs);
} else if (present == S1AP_PDU_PR_unsuccessfulOutcome) {
ret = s1ap_compare_s1ap_s1setupfailureies(
&m1->msg.s1ap_S1SetupFailureIEs,
&m2->msg.s1ap_S1SetupFailureIEs);
}
break;
case S1ap_ProcedureCode_id_UEContextReleaseRequest:
ret = s1ap_compare_s1ap_uecontextreleaserequesties(
&m1->msg.s1ap_UEContextReleaseRequestIEs,
&m2->msg.s1ap_UEContextReleaseRequestIEs);
break;
case S1ap_ProcedureCode_id_DownlinkS1cdma2000tunneling:
ret = s1ap_compare_s1ap_downlinks1cdma2000tunnelingies(
&m1->msg.s1ap_DownlinkS1cdma2000tunnelingIEs,
&m2->msg.s1ap_DownlinkS1cdma2000tunnelingIEs);
break;
case S1ap_ProcedureCode_id_UplinkS1cdma2000tunneling:
ret = s1ap_compare_s1ap_uplinks1cdma2000tunnelingies(
&m1->msg.s1ap_UplinkS1cdma2000tunnelingIEs,
&m2->msg.s1ap_UplinkS1cdma2000tunnelingIEs);
break;
case S1ap_ProcedureCode_id_UEContextModification:
if (present == S1AP_PDU_PR_initiatingMessage) {
ret = s1ap_compare_s1ap_uecontextmodificationrequesties(
&m1->msg.s1ap_UEContextModificationRequestIEs,
&m2->msg.s1ap_UEContextModificationRequestIEs);
} else if (present == S1AP_PDU_PR_successfulOutcome) {
ret = s1ap_compare_s1ap_uecontextmodificationresponseies(
&m1->msg.s1ap_UEContextModificationResponseIEs,
&m2->msg.s1ap_UEContextModificationResponseIEs);
} else if (present == S1AP_PDU_PR_unsuccessfulOutcome) {
ret = s1ap_compare_s1ap_uecontextmodificationfailureies(
&m1->msg.s1ap_UEContextModificationFailureIEs,
&m2->msg.s1ap_UEContextModificationFailureIEs);
}
break;
case S1ap_ProcedureCode_id_UECapabilityInfoIndication:
ret = s1ap_compare_s1ap_uecapabilityinfoindicationies(
&m1->msg.s1ap_UECapabilityInfoIndicationIEs,
&m2->msg.s1ap_UECapabilityInfoIndicationIEs);
break;
case S1ap_ProcedureCode_id_UEContextRelease:
break;
case S1ap_ProcedureCode_id_eNBStatusTransfer:
ret = s1ap_compare_s1ap_enbstatustransferies(
&m1->msg.s1ap_ENBStatusTransferIEs,
&m2->msg.s1ap_ENBStatusTransferIEs);
break;
case S1ap_ProcedureCode_id_MMEStatusTransfer:
ret = s1ap_compare_s1ap_mmestatustransferies(
&m1->msg.s1ap_MMEStatusTransferIEs,
&m2->msg.s1ap_MMEStatusTransferIEs);
break;
case S1ap_ProcedureCode_id_DeactivateTrace:
ret = s1ap_compare_s1ap_deactivatetraceies(
&m1->msg.s1ap_DeactivateTraceIEs,
&m2->msg.s1ap_DeactivateTraceIEs);
break;
case S1ap_ProcedureCode_id_TraceStart:
ret = s1ap_compare_s1ap_tracestarties(
&m1->msg.s1ap_TraceStartIEs,
&m2->msg.s1ap_TraceStartIEs);
break;
case S1ap_ProcedureCode_id_TraceFailureIndication:
ret = s1ap_compare_s1ap_tracefailureindicationies(
&m1->msg.s1ap_TraceFailureIndicationIEs,
&m2->msg.s1ap_TraceFailureIndicationIEs);
break;
case S1ap_ProcedureCode_id_ENBConfigurationUpdate:
case S1ap_ProcedureCode_id_MMEConfigurationUpdate:
case S1ap_ProcedureCode_id_LocationReportingControl:
case S1ap_ProcedureCode_id_LocationReportingFailureIndication:
case S1ap_ProcedureCode_id_LocationReport:
case S1ap_ProcedureCode_id_OverloadStart:
case S1ap_ProcedureCode_id_OverloadStop:
case S1ap_ProcedureCode_id_WriteReplaceWarning:
case S1ap_ProcedureCode_id_eNBDirectInformationTransfer:
case S1ap_ProcedureCode_id_MMEDirectInformationTransfer:
case S1ap_ProcedureCode_id_PrivateMessage:
case S1ap_ProcedureCode_id_eNBConfigurationTransfer:
case S1ap_ProcedureCode_id_MMEConfigurationTransfer:
case S1ap_ProcedureCode_id_CellTrafficTrace:
case S1ap_ProcedureCode_id_Kill:
if (present == S1AP_PDU_PR_initiatingMessage) {
ret = s1ap_compare_s1ap_killrequesties(
&m1->msg.s1ap_KillRequestIEs,
&m2->msg.s1ap_KillRequestIEs);
} else {
ret = s1ap_compare_s1ap_killresponseies(
&m1->msg.s1ap_KillResponseIEs,
&m2->msg.s1ap_KillResponseIEs);
}
break;
case S1ap_ProcedureCode_id_downlinkUEAssociatedLPPaTransport:
ret = s1ap_compare_s1ap_downlinkueassociatedlppatransport_ies(
&m1->msg.s1ap_DownlinkUEAssociatedLPPaTransport_IEs,
&m2->msg.s1ap_DownlinkUEAssociatedLPPaTransport_IEs);
break;
case S1ap_ProcedureCode_id_uplinkUEAssociatedLPPaTransport:
ret = s1ap_compare_s1ap_uplinkueassociatedlppatransport_ies(
&m1->msg.s1ap_UplinkUEAssociatedLPPaTransport_IEs,
&m2->msg.s1ap_UplinkUEAssociatedLPPaTransport_IEs);
break;
case S1ap_ProcedureCode_id_downlinkNonUEAssociatedLPPaTransport:
ret = s1ap_compare_s1ap_downlinknonueassociatedlppatransport_ies(
&m1->msg.s1ap_DownlinkNonUEAssociatedLPPaTransport_IEs,
&m2->msg.s1ap_DownlinkNonUEAssociatedLPPaTransport_IEs);
break;
case S1ap_ProcedureCode_id_uplinkNonUEAssociatedLPPaTransport:
ret = s1ap_compare_s1ap_uplinknonueassociatedlppatransport_ies(
&m1->msg.s1ap_UplinkNonUEAssociatedLPPaTransport_IEs,
&m2->msg.s1ap_UplinkNonUEAssociatedLPPaTransport_IEs);
break;
default:
AssertFatal(0, "Unknown procedure code %ld", m1->procedureCode);
}
return 0;
}
openair3/TEST/EPC_TEST/play_scenario_sctp.c
+45
View File
@@ -43,3 +43,48 @@
#include "assertions.h"
#include "play_scenario.h"
//------------------------------------------------------------------------------
int et_sctp_data_is_matching(sctp_datahdr_t * const sctp1, sctp_datahdr_t * const sctp2, const uint32_t constraints)
{
// no comparison for ports
if (sctp1->ppid != sctp2->ppid) return -4;
if (sctp1->assoc_id != sctp2->assoc_id) return -5;
if (sctp1->stream != sctp2->stream) {
if (constraints & ET_BIT_MASK_MATCH_SCTP_STREAM) {
return -2;
} else {
S1AP_WARN("No Matching SCTP stream %u %u\n", sctp1->stream, sctp2->stream);
}
}
if (sctp1->ssn != sctp2->ssn) {
if (constraints & ET_BIT_MASK_MATCH_SCTP_SSN) {
return -3;
} else {
S1AP_WARN("No Matching SCTP ssn %u %u\n", sctp1->ssn, sctp2->ssn);
}
}
return et_s1ap_is_matching(&sctp1->payload, &sctp2->payload, constraints);
}
//------------------------------------------------------------------------------
int et_sctp_is_matching(et_sctp_hdr_t * const sctp1, et_sctp_hdr_t * const sctp2, const uint32_t constraints)
{
// no comparison for ports
if (sctp1->chunk_type != sctp2->chunk_type) return -1;
switch (sctp1->chunk_type) {
case SCTP_CID_DATA:
return et_sctp_data_is_matching(&sctp1->u.data_hdr, &sctp2->u.data_hdr, constraints);
break;
case SCTP_CID_INIT:
AssertFatal(0, "Not needed now");
break;
case SCTP_CID_INIT_ACK:
AssertFatal(0, "Not needed now");
break;
default:
AssertFatal(0, "Not needed now cid %d", sctp1->chunk_type);
}
return 0;
}