mirror of https://github.com/PentHertz/srsLTE.git
Added initial mechanisms to receive msgs from eNB.
This commit is contained in:
parent
a5621dd430
commit
396335afee
|
@ -34,9 +34,16 @@
|
|||
#define MME_H
|
||||
|
||||
#include <cstddef>
|
||||
#include "s1ap.h"
|
||||
|
||||
|
||||
namespace srsepc{
|
||||
|
||||
typedef struct{
|
||||
s1ap_args_t s1ap_args;
|
||||
} all_args_t;
|
||||
|
||||
|
||||
class mme
|
||||
{
|
||||
public:
|
||||
|
@ -44,11 +51,16 @@ public:
|
|||
|
||||
static void cleanup(void);
|
||||
|
||||
int init(all_args_t* args);
|
||||
|
||||
int get_s1_mme();
|
||||
|
||||
private:
|
||||
|
||||
static mme *instance;
|
||||
mme();
|
||||
virtual ~mme();
|
||||
static mme *m_instance;
|
||||
s1ap m_s1ap;
|
||||
|
||||
};
|
||||
|
||||
|
|
|
@ -26,12 +26,39 @@
|
|||
|
||||
namespace srsepc{
|
||||
|
||||
const uint16_t S1MME_PORT = 36412;
|
||||
|
||||
typedef struct{
|
||||
uint8_t mme_code;
|
||||
uint16_t mme_group;
|
||||
uint16_t tac; // 16-bit tac
|
||||
uint16_t mcc; // BCD-coded with 0xF filler
|
||||
uint16_t mnc; // BCD-coded with 0xF filler
|
||||
std::string mme_bindx_addr;
|
||||
std::string mme_name;
|
||||
} s1ap_args_t;
|
||||
|
||||
class s1ap
|
||||
{
|
||||
public:
|
||||
s1ap();
|
||||
virtual ~s1ap();
|
||||
int enb_listen();
|
||||
|
||||
int init(s1ap_args_t s1ap_args);
|
||||
|
||||
int get_s1_mme();
|
||||
|
||||
private:
|
||||
uint8_t m_mme_code;
|
||||
uint16_t m_mme_group;
|
||||
uint16_t m_tac; // 16-bit tac
|
||||
uint16_t m_mcc; // BCD-coded with 0xF filler
|
||||
uint16_t m_mnc; // BCD-coded with 0xF filler
|
||||
std::string m_mme_bindx_addr;
|
||||
std::string m_mme_name;
|
||||
|
||||
int m_s1mme;
|
||||
};
|
||||
|
||||
} //namespace srsepc
|
||||
|
|
|
@ -8,12 +8,12 @@
|
|||
*
|
||||
* This file is part of srsLTE.
|
||||
*
|
||||
* srsUE is free software: you can redistribute it and/or modify
|
||||
* srsLTE is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as
|
||||
* published by the Free Software Foundation, either version 3 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* srsUE is distributed in the hope that it will be useful,
|
||||
* srsLTE 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 Affero General Public License for more details.
|
||||
|
@ -24,20 +24,103 @@
|
|||
*
|
||||
*/
|
||||
#include <iostream>
|
||||
#include <arpa/inet.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/sctp.h>
|
||||
#include <boost/program_options.hpp>
|
||||
#include "mme/mme.h"
|
||||
|
||||
|
||||
using namespace std;
|
||||
using namespace srsepc;
|
||||
namespace bpo = boost::program_options;
|
||||
|
||||
bool running = true;
|
||||
|
||||
/*
|
||||
void
|
||||
parse_args(all_args_t *args, int argc, char* argv[]) {
|
||||
|
||||
string mme_code;
|
||||
string mme_group;
|
||||
string tac;
|
||||
string mcc;
|
||||
string mnc;
|
||||
|
||||
// Command line only options
|
||||
bpo::options_description general("General options");
|
||||
general.add_options()
|
||||
("help,h", "Produce help message")
|
||||
("version,v", "Print version information and exit")
|
||||
;
|
||||
|
||||
// Command line or config file options
|
||||
bpo::options_description common("Configuration options");
|
||||
common.add_options()
|
||||
|
||||
("mme.enb_id", bpo::value<string>(&enb_id)->default_value("0x0"), "eNodeB ID")
|
||||
("mme.name", bpo::value<string>(&args->enb.s1ap.enb_name)->default_value("srsenb01"), "eNodeB Name")
|
||||
("mme.cell_id", bpo::value<string>(&cell_id)->default_value("0x0"), "Cell ID")
|
||||
("mme.tac", bpo::value<string>(&tac)->default_value("0x0"), "Tracking Area Code")
|
||||
("mme.mcc", bpo::value<string>(&mcc)->default_value("001"), "Mobile Country Code")
|
||||
("mme.mnc", bpo::value<string>(&mnc)->default_value("01"), "Mobile Network Code")
|
||||
("mme.mme_bindx_addr", bpo::value<string>(&args->enb.s1ap.mme_addr)->default_value("127.0.0.1"),"IP address of MME for S1 connnection")
|
||||
;
|
||||
|
||||
// Positional options - config file location
|
||||
bpo::options_description position("Positional options");
|
||||
position.add_options()
|
||||
("config_file", bpo::value< string >(&config_file), "eNodeB configuration file")
|
||||
;
|
||||
bpo::positional_options_description p;
|
||||
p.add("config_file", -1)
|
||||
|
||||
return;
|
||||
}
|
||||
*/
|
||||
|
||||
int
|
||||
main (int argc,char * argv[] )
|
||||
{
|
||||
//signal(SIGINT, sig_int_handler);
|
||||
mme *mme = mme::get_instance();
|
||||
|
||||
cout << "--- Software Radio Systems EPC MME ---" << endl << endl;
|
||||
|
||||
//signal(SIGINT, sig_int_handler);
|
||||
|
||||
//TODO these should be passed from config files
|
||||
all_args_t args;
|
||||
args.s1ap_args.mme_code = 0x01;
|
||||
args.s1ap_args.mme_group = 0x0001;
|
||||
args.s1ap_args.tac = 0x0001;
|
||||
args.s1ap_args.mcc = 0x01;
|
||||
args.s1ap_args.mnc = 0x01;
|
||||
args.s1ap_args.mme_bindx_addr="127.0.0.0/24";
|
||||
|
||||
struct sockaddr_in enb_addr;
|
||||
char readbuf[1000];
|
||||
struct sctp_sndrcvinfo sri;
|
||||
socklen_t fromlen;
|
||||
int rd_sz;
|
||||
int msg_flags;
|
||||
|
||||
mme *mme = mme::get_instance();
|
||||
if (mme->init(&args)) {
|
||||
cout << "Error initializing MME" << endl;
|
||||
exit(1);
|
||||
}
|
||||
|
||||
//Initalize S1-MME scoket
|
||||
int s1mme = mme->get_s1_mme();
|
||||
while(running)
|
||||
{
|
||||
cout << "Waiting for SCTP Msg" << endl;
|
||||
rd_sz = sctp_recvmsg(s1mme, (void*) readbuf, sizeof(readbuf),(struct sockaddr*) &enb_addr, &fromlen, &sri, &msg_flags);
|
||||
if (rd_sz == -1){
|
||||
cout<< "Error reading from SCTP socket"<<endl;
|
||||
}
|
||||
cout << "Received SCTP msg." << endl;
|
||||
cout << "\tSize: " << rd_sz <<endl;
|
||||
cout << "\tMsg: " << readbuf << endl;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
|
@ -24,12 +24,13 @@
|
|||
*
|
||||
*/
|
||||
|
||||
#include <iostream> //TODO Remove
|
||||
#include <boost/thread/mutex.hpp>
|
||||
#include "mme/mme.h"
|
||||
|
||||
namespace srsepc{
|
||||
|
||||
mme* mme::instance = NULL;
|
||||
mme* mme::m_instance = NULL;
|
||||
boost::mutex mme_instance_mutex;
|
||||
|
||||
mme::mme()
|
||||
|
@ -46,21 +47,36 @@ mme*
|
|||
mme::get_instance(void)
|
||||
{
|
||||
boost::mutex::scoped_lock lock(mme_instance_mutex);
|
||||
if(NULL == instance) {
|
||||
instance = new mme();
|
||||
if(NULL == m_instance) {
|
||||
m_instance = new mme();
|
||||
}
|
||||
return(instance);
|
||||
return(m_instance);
|
||||
}
|
||||
|
||||
void
|
||||
mme::cleanup(void)
|
||||
{
|
||||
boost::mutex::scoped_lock lock(mme_instance_mutex);
|
||||
if(NULL != instance) {
|
||||
delete instance;
|
||||
instance = NULL;
|
||||
if(NULL != m_instance) {
|
||||
delete m_instance;
|
||||
m_instance = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
mme::init(all_args_t* args)
|
||||
{
|
||||
if(m_s1ap.init(args->s1ap_args)){
|
||||
std::cout << "Error initializing MME S1APP" << std::endl;
|
||||
exit(-1);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
mme::get_s1_mme()
|
||||
{
|
||||
return m_s1ap.get_s1_mme();
|
||||
}
|
||||
|
||||
} //namespace srsepc
|
||||
|
|
|
@ -43,11 +43,26 @@ s1ap::~s1ap()
|
|||
{
|
||||
}
|
||||
|
||||
int
|
||||
s1ap::init(s1ap_args_t s1ap_args)
|
||||
{
|
||||
m_mme_code = s1ap_args.mme_code ;
|
||||
m_mme_group = s1ap_args.mme_group;
|
||||
m_tac = s1ap_args.tac;
|
||||
m_mcc = s1ap_args.mcc;
|
||||
m_mnc = s1ap_args.mnc;
|
||||
m_mme_bindx_addr = s1ap_args.mme_bindx_addr;
|
||||
m_mme_name = std::string("SRS MME");
|
||||
|
||||
m_s1mme = enb_listen();
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
s1ap::enb_listen()
|
||||
{
|
||||
/*This function sets up the SCTP socket for eNBs to connect to*/
|
||||
int sock_fd;
|
||||
int sock_fd, err;
|
||||
struct sockaddr_in s1mme_addr;//TODO make this a configurable class memeber.
|
||||
|
||||
sock_fd = socket (AF_INET, SOCK_SEQPACKET, IPPROTO_SCTP);
|
||||
|
@ -59,13 +74,26 @@ s1ap::enb_listen()
|
|||
//S1-MME bind
|
||||
bzero(&s1mme_addr, sizeof(s1mme_addr));
|
||||
s1mme_addr.sin_family = AF_INET;
|
||||
s1mme_addr.sin_addr.s_addr = htonl(INADDR_ANY);
|
||||
s1mme_addr.sin_port = htons(18000); //TODO define S1MME_PORT
|
||||
s1mme_addr.sin_addr.s_addr = htonl(INADDR_ANY); //TODO this should use the bindx information
|
||||
s1mme_addr.sin_port = htons(S1MME_PORT);
|
||||
err = bind(sock_fd, (struct sockaddr*) &s1mme_addr, sizeof (s1mme_addr));
|
||||
if (err != 0){
|
||||
std::cout << "Error binding SCTP socket" << std::endl;
|
||||
}
|
||||
|
||||
//Listen for connections
|
||||
listen(sock_fd,SOMAXCONN);
|
||||
err = listen(sock_fd,SOMAXCONN);
|
||||
if (err != 0){
|
||||
std::cout << "Error in SCTP socket listen" << std::endl;
|
||||
}
|
||||
|
||||
return sock_fd;
|
||||
}
|
||||
|
||||
int
|
||||
s1ap::get_s1_mme()
|
||||
{
|
||||
return m_s1mme;
|
||||
}
|
||||
|
||||
}//namespace srsepc
|
||||
|
|
Loading…
Reference in New Issue