Skip to content
Snippets Groups Projects
Commit 28051f6b authored by Tien-Thinh Nguyen's avatar Tien-Thinh Nguyen
Browse files

update AMF Client for PDU Session Release

parent 8d8a680f
No related branches found
No related tags found
1 merge request!4Add PDU Session Release procedure (UE-Initiated)
Hide whitespace changes
Inline Side-by-side
src/test/amf_client/amf-client.cpp
+ 337
− 25
View file @ 28051f6b
...@@ -24,24 +24,24 @@ static std::size_t callback( ...@@ -24,24 +24,24 @@ static std::size_t callback(
void send_pdu_session_establishment_request(std::string smf_ip_address) void send_pdu_session_establishment_request(std::string smf_ip_address)
{ {
std::cout << "[AMF N11] PDU Session Establishment Request"<<std::endl; std::cout << "[AMF N11] PDU Session Establishment Request (SM Context Create)"<<std::endl;
nlohmann::json pdu_session_establishment_request; nlohmann::json pdu_session_establishment_request;
//encode //encode
// PDU Session Establishment Request
/* /*
0000 2e 01 01 c1 ff ff 91 00 00 00 00 00 00 00 00 00 0000 2e 01 01 c1 ff ff 91 00 00 00 00 00 00 00 00 00
*/ */
size_t buffer_size = 128; size_t buffer_size = 128;
char *buffer = (char *)calloc(1,buffer_size); char *buffer = (char *)calloc(1,buffer_size);
int size = 0; int size = 0;
ENCODE_U8 (buffer, 0x2e , size); ENCODE_U8 (buffer, 0x2e , size); //ExtendedProtocolDiscriminator
ENCODE_U8 (buffer+size, 0x01 , size); ENCODE_U8 (buffer+size, 0x01 , size); //PDUSessionIdentity
ENCODE_U8 (buffer+size, 0x01 , size); ENCODE_U8 (buffer+size, 0x01 , size); //ProcedureTransactionIdentity
ENCODE_U8 (buffer+size, 0xc1 , size); ENCODE_U8 (buffer+size, 0xc1 , size); //MessageType - PDU_SESSION_ESTABLISHMENT_REQUEST
ENCODE_U8 (buffer+size, 0xff , size); ENCODE_U8 (buffer+size, 0xff , size); //Integrity Protection Maximum Data Rate
ENCODE_U8 (buffer+size, 0xff , size); ENCODE_U8 (buffer+size, 0xff , size); //Integrity Protection Maximum Data Rate
// ENCODE_U8 (buffer+size, 0x00 , size); ENCODE_U8 (buffer+size, 0x91 , size); //01 PDU Session Type - Ipv4
ENCODE_U8 (buffer+size, 0x91 , size);
std::cout << "Buffer: "<<std::endl; std::cout << "Buffer: "<<std::endl;
for(int i=0;i<size;i++) for(int i=0;i<size;i++)
...@@ -91,7 +91,7 @@ void send_pdu_session_establishment_request(std::string smf_ip_address) ...@@ -91,7 +91,7 @@ void send_pdu_session_establishment_request(std::string smf_ip_address)
curl_easy_setopt(curl, CURLOPT_URL, url.c_str()); curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
curl_easy_setopt(curl, CURLOPT_HTTPGET,1); curl_easy_setopt(curl, CURLOPT_HTTPGET,1);
curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, 100L); curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, 100L);
//curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
mime = curl_mime_init(curl); mime = curl_mime_init(curl);
alt = curl_mime_init(curl); alt = curl_mime_init(curl);
...@@ -105,7 +105,7 @@ void send_pdu_session_establishment_request(std::string smf_ip_address) ...@@ -105,7 +105,7 @@ void send_pdu_session_establishment_request(std::string smf_ip_address)
//curl_mime_data(part, reinterpret_cast<const char*>(n1_msg_hex), CURL_ZERO_TERMINATED); //curl_mime_data(part, reinterpret_cast<const char*>(n1_msg_hex), CURL_ZERO_TERMINATED);
curl_mime_data(part, reinterpret_cast<const char*>(buffer), size); curl_mime_data(part, reinterpret_cast<const char*>(buffer), size);
curl_mime_type(part, "application/vnd.3gpp.5gnas"); curl_mime_type(part, "application/vnd.3gpp.5gnas");
//curl_mime_name (part, "n1SmMsg"); curl_mime_name (part, "n1SmMsg");
curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime); curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
...@@ -140,11 +140,12 @@ void send_pdu_session_establishment_request(std::string smf_ip_address) ...@@ -140,11 +140,12 @@ void send_pdu_session_establishment_request(std::string smf_ip_address)
void send_pdu_session_update_sm_context_establishment(std::string smf_ip_address) void send_pdu_session_update_sm_context_establishment(std::string smf_ip_address)
{ {
std::cout << "[AMF N11] send_pdu_session_update_sm_context_establishment"<<std::endl; std::cout << "[AMF N11] PDU Session Establishment Request (SM Context Update)"<<std::endl;
nlohmann::json pdu_session_update_request; nlohmann::json pdu_session_update_request;
//encode //encode
//PDU Session Resource Setup Response Transfer IE
/* /*
00 03 e0 ac 0a 05 01 00 00 00 01 00 3c 00 03 e0 ac 0a 05 01 00 00 00 01 00 3c
*/ */
...@@ -154,16 +155,16 @@ void send_pdu_session_update_sm_context_establishment(std::string smf_ip_address ...@@ -154,16 +155,16 @@ void send_pdu_session_update_sm_context_establishment(std::string smf_ip_address
ENCODE_U8 (buffer, 0x00 , size); ENCODE_U8 (buffer, 0x00 , size);
ENCODE_U8 (buffer+size, 0x03 , size); ENCODE_U8 (buffer+size, 0x03 , size);
ENCODE_U8 (buffer+size, 0xe0 , size); ENCODE_U8 (buffer+size, 0xe0 , size);
ENCODE_U8 (buffer+size, 0xac , size); ENCODE_U8 (buffer+size, 0xac , size); //uPTransportLayerInformation IP Addr 172.10.5.1: 172.
ENCODE_U8 (buffer+size, 0x0a , size); ENCODE_U8 (buffer+size, 0x0a , size); //10
ENCODE_U8 (buffer+size, 0x05 , size); ENCODE_U8 (buffer+size, 0x05 , size); //.5
ENCODE_U8 (buffer+size, 0x01 , size); ENCODE_U8 (buffer+size, 0x01 , size); //.1
ENCODE_U8 (buffer+size, 0x00 , size); ENCODE_U8 (buffer+size, 0x00 , size); //gTP_TEID 00 00 00 01: 00
ENCODE_U8 (buffer+size, 0x00 , size); ENCODE_U8 (buffer+size, 0x00 , size); //00
ENCODE_U8 (buffer+size, 0x00 , size); ENCODE_U8 (buffer+size, 0x00 , size); //00
ENCODE_U8 (buffer+size, 0x01 , size); ENCODE_U8 (buffer+size, 0x01 , size); //01
ENCODE_U8 (buffer+size, 0x00 , size); ENCODE_U8 (buffer+size, 0x00 , size); //Associated QoS Flow 00 3c
ENCODE_U8 (buffer+size, 0x3c , size); //QFI: 60 ENCODE_U8 (buffer+size, 0x3c , size); //QFI: 60
std::cout << "Buffer: "<<std::endl; std::cout << "Buffer: "<<std::endl;
for(int i=0;i<2;i++) for(int i=0;i<2;i++)
...@@ -173,7 +174,6 @@ void send_pdu_session_update_sm_context_establishment(std::string smf_ip_address ...@@ -173,7 +174,6 @@ void send_pdu_session_update_sm_context_establishment(std::string smf_ip_address
std::cout << "Buffer: "<<std::endl; std::cout << "Buffer: "<<std::endl;
//Fill Json part //Fill Json part
//std::string url = std::string("http://172.16.1.101/nsmf-pdusession/v2/sm-contexts/imsi-200000000000001/modify");
std::string url = std::string("http://"); std::string url = std::string("http://");
url.append(smf_ip_address); url.append(smf_ip_address);
url.append(std::string("/nsmf-pdusession/v2/sm-contexts/1/modify")); url.append(std::string("/nsmf-pdusession/v2/sm-contexts/1/modify"));
...@@ -202,7 +202,7 @@ void send_pdu_session_update_sm_context_establishment(std::string smf_ip_address ...@@ -202,7 +202,7 @@ void send_pdu_session_update_sm_context_establishment(std::string smf_ip_address
curl_easy_setopt(curl, CURLOPT_URL, url.c_str()); curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
curl_easy_setopt(curl, CURLOPT_HTTPGET,1); curl_easy_setopt(curl, CURLOPT_HTTPGET,1);
curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, 100L); curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, 100L);
//curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
mime = curl_mime_init(curl); mime = curl_mime_init(curl);
...@@ -241,7 +241,7 @@ void send_pdu_session_update_sm_context_establishment(std::string smf_ip_address ...@@ -241,7 +241,7 @@ void send_pdu_session_update_sm_context_establishment(std::string smf_ip_address
//Set the default Cause //Set the default Cause
response_data["cause"] = "504 Gateway Timeout"; response_data["cause"] = "504 Gateway Timeout";
} }
std::cout << "[AMF N11] PDU session modification request, response from SMF, Http Code " << httpCode << " cause "<< response_data["cause"].dump().c_str()<<std::endl; std::cout << "[AMF N11] PDU Session Establishment Request, response from SMF, Http Code " << httpCode << " cause "<< response_data["cause"].dump().c_str()<<std::endl;
curl_slist_free_all(headers); curl_slist_free_all(headers);
curl_easy_cleanup(curl); curl_easy_cleanup(curl);
...@@ -250,6 +250,310 @@ void send_pdu_session_update_sm_context_establishment(std::string smf_ip_address ...@@ -250,6 +250,310 @@ void send_pdu_session_update_sm_context_establishment(std::string smf_ip_address
free(buffer); free(buffer);
} }
void send_pdu_session_release_request(std::string smf_ip_address)
{
std::cout << "[AMF N11] PDU Session Release Request (SM Context Update)"<<std::endl;
nlohmann::json pdu_session_release_request;
//encode
/*
0000 2e 01 01 d1 00 00 00 00 00 00 00 00 00 00 00 00
*/
size_t buffer_size = 128;
char *buffer = (char *)calloc(1,buffer_size);
int size = 0;
ENCODE_U8 (buffer, 0x2e , size); //ExtendedProtocolDiscriminator
ENCODE_U8 (buffer+size, 0x01 , size); //PDUSessionIdentity
ENCODE_U8 (buffer+size, 0x01 , size); //ProcedureTransactionIdentity
ENCODE_U8 (buffer+size, 0xd1 , size); //MessageType
ENCODE_U8 (buffer+size, 0x00 , size); //presence
std::cout << "Buffer: "<<std::endl;
for(int i=0;i<size;i++)
{
printf("%02x ", buffer[i]);
}
std::cout << "Buffer: "<<std::endl;
//Fill Json part
std::string url = std::string("http://");
url.append(smf_ip_address);
url.append(std::string("/nsmf-pdusession/v2/sm-contexts/1/modify"));
//Fill the json part
pdu_session_release_request["cause"] = "INSUFFICIENT_UP_RESOURCES"; //need to be updated
pdu_session_release_request["n1SmMsg"]["contentId"] = "n1SmMsg"; // NAS
CURL *curl = curl_easy_init();
std::string json_part = pdu_session_release_request.dump();
std::cout<< "Sending message to SMF....\n";
if(curl) {
CURLcode res;
struct curl_slist *headers = nullptr;
struct curl_slist *slist = nullptr;
curl_mime *mime;
curl_mime *alt;
curl_mimepart *part;
//headers = curl_slist_append(headers, "charsets: utf-8");
headers = curl_slist_append(headers, "content-type: multipart/related");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
curl_easy_setopt(curl, CURLOPT_HTTPGET,1);
curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, 100L);
curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
mime = curl_mime_init(curl);
alt = curl_mime_init(curl);
//part with N1N2MessageTransferReqData (JsonData)
part = curl_mime_addpart(mime);
curl_mime_data(part, json_part.c_str(), CURL_ZERO_TERMINATED);
curl_mime_type(part, "application/json");
part = curl_mime_addpart(mime);
//curl_mime_data(part, reinterpret_cast<const char*>(n1_msg_hex), CURL_ZERO_TERMINATED);
curl_mime_data(part, reinterpret_cast<const char*>(buffer), size);
curl_mime_type(part, "application/vnd.3gpp.5gnas");
//curl_mime_name (part, "n1SmMsg");
curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
// Response information.
long httpCode(0);
std::unique_ptr<std::string> httpData(new std::string());
// Hook up data handling function.
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, httpData.get());
res = curl_easy_perform(curl);
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpCode);
//get cause from the response
nlohmann::json response_data;
try{
response_data = nlohmann::json::parse(*httpData.get());
} catch (nlohmann::json::exception& e){
std::cout << "Could not get the cause from the response" <<std::endl;
}
std::cout << "[AMF N11] PDU Session Release Request, response from SMF, Http Code " << httpCode <<std::endl;
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
curl_mime_free(mime);
}
free(buffer);
}
void send_pdu_session_release_resource_release_ack(std::string smf_ip_address)
{
std::cout << "[AMF N11] PDU Session Release Ack (Update SM Context): N2 SM - Resource Release Ack"<<std::endl;
nlohmann::json pdu_session_release_ack;
//encode
size_t buffer_size = 128;
char *buffer = (char *)calloc(1,buffer_size);
int size = 0;
ENCODE_U8 (buffer, 0x00 , size);
std::cout << "Buffer: "<<std::endl;
for(int i=0;i<size;i++)
{
printf("%02x ", buffer[i]);
}
std::cout << "Buffer: "<<std::endl;
//Fill Json part
std::string url = std::string("http://");
url.append(smf_ip_address);
url.append(std::string("/nsmf-pdusession/v2/sm-contexts/1/modify"));
//Fill the json part
//Fill the json part
pdu_session_release_ack["n2SmInfoType"] = "PDU_RES_REL_RSP";
pdu_session_release_ack["n2SmInfo"]["contentId"] = "n2SmMsg"; //NGAP
CURL *curl = curl_easy_init();
std::string json_part = pdu_session_release_ack.dump();
std::cout<< "Sending message to SMF....\n";
if(curl) {
CURLcode res;
struct curl_slist *headers = nullptr;
struct curl_slist *slist = nullptr;
curl_mime *mime;
curl_mime *alt;
curl_mimepart *part;
//headers = curl_slist_append(headers, "charsets: utf-8");
headers = curl_slist_append(headers, "content-type: multipart/related");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
curl_easy_setopt(curl, CURLOPT_HTTPGET,1);
curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, 100L);
curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
mime = curl_mime_init(curl);
alt = curl_mime_init(curl);
//part with N1N2MessageTransferReqData (JsonData)
part = curl_mime_addpart(mime);
curl_mime_data(part, json_part.c_str(), CURL_ZERO_TERMINATED);
curl_mime_type(part, "application/json");
part = curl_mime_addpart(mime);
//curl_mime_data(part, reinterpret_cast<const char*>(n1_msg_hex), CURL_ZERO_TERMINATED);
curl_mime_data(part, reinterpret_cast<const char*>(buffer), size);
curl_mime_type(part, "application/vnd.3gpp.ngap");
curl_mime_name (part, "n2SmMsg");
curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
// Response information.
long httpCode(0);
std::unique_ptr<std::string> httpData(new std::string());
// Hook up data handling function.
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, httpData.get());
res = curl_easy_perform(curl);
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpCode);
//get cause from the response
nlohmann::json response_data;
try{
response_data = nlohmann::json::parse(*httpData.get());
} catch (nlohmann::json::exception& e){
std::cout << "Could not get the cause from the response" <<std::endl;
}
std::cout << "[AMF N11] PDU Session Release Ack, response from SMF, Http Code " << httpCode <<std::endl;
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
curl_mime_free(mime);
}
free(buffer);
}
void send_pdu_session_release_complete(std::string smf_ip_address)
{
std::cout << "[AMF N11] PDU Session Release Complete (Update SM Context): N1 SM - PDU Session Release Complete"<<std::endl;
nlohmann::json pdu_session_release_complete;
//encode
/*
0000 2e 01 01 c1 d4 00 00 00 00 00 00 00 00 00 00 00
*/
size_t buffer_size = 128;
char *buffer = (char *)calloc(1,buffer_size);
int size = 0;
ENCODE_U8 (buffer, 0x2e , size); //ExtendedProtocolDiscriminator
ENCODE_U8 (buffer+size, 0x01 , size); //PDUSessionIdentity
ENCODE_U8 (buffer+size, 0x01 , size); //ProcedureTransactionIdentity
ENCODE_U8 (buffer+size, 0xd4 , size); //MessageType
ENCODE_U8 (buffer+size, 0x00 , size); //Cause
ENCODE_U8 (buffer+size, 0x00 , size); //Extended protocol configuration options
std::cout << "Buffer: "<<std::endl;
for(int i=0;i<size;i++)
{
printf("%02x ", buffer[i]);
}
std::cout << "Buffer: "<<std::endl;
//Fill Json part
std::string url = std::string("http://");
url.append(smf_ip_address);
url.append(std::string("/nsmf-pdusession/v2/sm-contexts/1/modify"));
//Fill the json part
pdu_session_release_complete["cause"] = "INSUFFICIENT_UP_RESOURCES"; //need to be updated
pdu_session_release_complete["n1SmMsg"]["contentId"] = "n1SmMsg"; // NAS
//pdu_session_release_complete["n1MessageContainer"]["n1MessageClass"] = "SM";
//pdu_session_release_complete["n1MessageContainer"]["n1MessageContent"]["contentId"] = "n1SmMsg";
CURL *curl = curl_easy_init();
std::string json_part = pdu_session_release_complete.dump();
std::cout<< "Sending message to SMF....\n";
if(curl) {
CURLcode res;
struct curl_slist *headers = nullptr;
struct curl_slist *slist = nullptr;
curl_mime *mime;
curl_mime *alt;
curl_mimepart *part;
//headers = curl_slist_append(headers, "charsets: utf-8");
headers = curl_slist_append(headers, "content-type: multipart/related");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
curl_easy_setopt(curl, CURLOPT_HTTPGET,1);
curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, 100L);
curl_easy_setopt(curl, CURLOPT_INTERFACE, "eno1:amf"); //hardcoded
mime = curl_mime_init(curl);
alt = curl_mime_init(curl);
//part with N1N2MessageTransferReqData (JsonData)
part = curl_mime_addpart(mime);
curl_mime_data(part, json_part.c_str(), CURL_ZERO_TERMINATED);
curl_mime_type(part, "application/json");
part = curl_mime_addpart(mime);
//curl_mime_data(part, reinterpret_cast<const char*>(n1_msg_hex), CURL_ZERO_TERMINATED);
curl_mime_data(part, reinterpret_cast<const char*>(buffer), size);
curl_mime_type(part, "application/vnd.3gpp.5gnas");
curl_mime_name (part, "n1SmMsg");
curl_easy_setopt(curl, CURLOPT_MIMEPOST, mime);
// Response information.
long httpCode(0);
std::unique_ptr<std::string> httpData(new std::string());
// Hook up data handling function.
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, &callback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, httpData.get());
res = curl_easy_perform(curl);
curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &httpCode);
//get cause from the response
nlohmann::json response_data;
try{
response_data = nlohmann::json::parse(*httpData.get());
} catch (nlohmann::json::exception& e){
std::cout << "Could not get the cause from the response" <<std::endl;
}
std::cout << "[AMF N11] PDU Session Release Complete, response from SMF, Http Code " << httpCode <<std::endl;
curl_slist_free_all(headers);
curl_easy_cleanup(curl);
curl_mime_free(mime);
}
free(buffer);
}
int main(int argc, char* argv[]) int main(int argc, char* argv[])
{ {
std::string smf_ip_address; std::string smf_ip_address;
...@@ -278,9 +582,17 @@ int main(int argc, char* argv[]) ...@@ -278,9 +582,17 @@ int main(int argc, char* argv[])
} }
} }
//PDU Session Establishment procedure
send_pdu_session_establishment_request(smf_ip_address); send_pdu_session_establishment_request(smf_ip_address);
usleep(100000); usleep(100000);
send_pdu_session_update_sm_context_establishment(smf_ip_address); send_pdu_session_update_sm_context_establishment(smf_ip_address);
usleep(200000);
//PDU Session Release procedure
send_pdu_session_release_request(smf_ip_address);
usleep(200000);
send_pdu_session_release_resource_release_ack(smf_ip_address);
usleep(200000);
send_pdu_session_release_complete(smf_ip_address);
return 0; return 0;
} }
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment