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sems/apps/diameter_client/DiameterClient.cpp

243 lines
6.6 KiB

/*
* $Id$
*
* Copyright (C) 2007-2009 IPTEGO GmbH
*
* This file is part of SEMS, a free SIP media server.
*
* sems 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 2 of the License, or
* (at your option) any later version
*
* For a license to use the SEMS software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* sems 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "DiameterClient.h"
#include "log.h"
//#include <stdlib.h>
#define MOD_NAME "diameter_client"
#include <vector>
using std::vector;
EXPORT_PLUGIN_CLASS_FACTORY(DiameterClient, MOD_NAME);
DiameterClient* DiameterClient::_instance=0;
DiameterClient* DiameterClient::instance()
{
if(_instance == NULL){
_instance = new DiameterClient(MOD_NAME);
}
return _instance;
}
DiameterClient::DiameterClient(const string& name)
: AmDynInvokeFactory(name)
{
}
DiameterClient::~DiameterClient() {
}
int DiameterClient::onLoad() {
if (tcp_init_tcp()) {
ERROR("initializing tcp transport layer.\n");
return -1;
}
DBG("DiameterClient loaded.\n");
return 0;
}
void DiameterClient::newConnection(const AmArg& args,
AmArg& ret) {
string app_name = args.get(0).asCStr();
string server_ip = args.get(1).asCStr();
int server_port = args.get(2).asInt();
string origin_host = args.get(3).asCStr();
string origin_realm = args.get(4).asCStr();
string origin_ip = args.get(5).asCStr();
int app_id = args.get(6).asInt();
int vendor_id = args.get(7).asInt();
string product_name = args.get(8).asCStr();
int req_timeout = args.get(9).asInt();
string ca_file;
string cert_file;
if (args.size() > 10) {
ca_file = args.get(10).asCStr();
cert_file = args.get(11).asCStr();
}
ServerConnection* sc = new ServerConnection();
DBG("initializing new connection for application %s...\n",
app_name.c_str());
sc->init(server_ip, server_port,
ca_file, cert_file,
origin_host, origin_realm, origin_ip,
app_id, vendor_id, product_name,
req_timeout);
DBG("starting new connection...\n");
sc->start();
DBG("registering connection...\n");
conn_mut.lock();
connections.insert(make_pair(app_name, sc));
conn_mut.unlock();
ret.push(0);
ret.push("new connection registered");
return;
}
void DiameterClient::sendRequest(const AmArg& args,
AmArg& ret) {
string app_name = args.get(0).asCStr();
int command_code = args.get(1).asInt();
int app_id = args.get(2).asInt();
AmArg& val = args.get(3);
string sess_link = args.get(4).asCStr();
vector<ServerConnection*> scs;
conn_mut.lock();
for (multimap<string, ServerConnection*>::iterator it=
connections.lower_bound(app_name);
it != connections.upper_bound(app_name); it++) {
if (it->second->is_open())
scs.push_back(it->second);
}
conn_mut.unlock();
DBG("found %zd active connections for application %s\n",
scs.size(), app_name.c_str());
if (scs.empty()) {
// no connections found
ret.push(-1);
ret.push("no active connections");
return;
}
// select one connection randomly
size_t pos = random() % scs.size();
scs[pos]->postEvent(new DiameterRequestEvent(command_code, app_id,
val, sess_link));
ret.push(0);
ret.push("request sent");
return;
}
void DiameterClient::invoke(const string& method, const AmArg& args,
AmArg& ret)
{
if(method == "newConnection"){
if (args.size()==10 /*sizeof("ssisssiisi")*/) {
args.assertArrayFmt("ssisssiisi");
} else {
// plus optional ssl/tls parameters ss
args.assertArrayFmt("ssisssiisiss");
}
newConnection(args, ret);
} else if(method == "sendRequest"){
args.assertArrayFmt("siias");
// check values
AmArg& vals = args.get(3);
for (size_t i=0;i<vals.size(); i++) {
AmArg& row = vals.get(i);
// [int avp_id, int flags, int vendor, blob data]
row.assertArrayFmt("iiib");
}
sendRequest(args, ret);
} else if(method == "test1"){
AmArg a;
a.push(AmArg("vtm"));
// a.push(AmArg("10.1.0.196"));
// a.push(AmArg(8080));
a.push(AmArg("62.220.31.182"));
a.push(AmArg(9381));
// a.push(AmArg("127.0.0.1"));
// a.push(AmArg(4433));
a.push(AmArg("vtm01"));
a.push(AmArg("vtm.t-online.de"));
a.push(AmArg("10.42.32.13"));
a.push(AmArg(16777241));
a.push(AmArg(29631));
a.push(AmArg("vtm"));
a.push(AmArg(20)); // timeout
// a.push(AmArg("ca.pem"));
// a.push(AmArg("client.pem"));
newConnection(a, ret);
} else if(method == "test2"){
AmArg a;
#define AAA_APP_USPI 16777241
#define AVP_E164_NUMBER 1024
#define AAA_VENDOR_IPTEGO 29631
#define AAA_LAR 16777214
a.push(AmArg("vtm"));
a.push(AmArg(AAA_LAR));
a.push(AmArg(AAA_APP_USPI));
DBG("x pushin \n");
AmArg avps;
AmArg e164;
e164.push((int)AVP_E164_NUMBER);
e164.push((int)AAA_AVP_FLAG_VENDOR_SPECIFIC | AAA_AVP_FLAG_MANDATORY);
e164.push((int)AAA_VENDOR_IPTEGO);
string e164_number = "+49331600001";
e164.push(ArgBlob(e164_number.c_str(), e164_number.length()));
avps.push(e164);
AmArg drealm;
drealm.push((int)AVP_Destination_Realm);
drealm.push((int)AAA_AVP_FLAG_MANDATORY);
drealm.push((int)0);
string dest_realm = "iptego.de";
drealm.push(ArgBlob(dest_realm.c_str(), dest_realm.length()));
avps.push(drealm);
a.push(avps);
a.push(AmArg("bogus_link"));
// check...
DBG("x checking\n");
a.assertArrayFmt("siias");
DBG("x checking\n");
// check values
AmArg& vals = a.get(3);
for (size_t i=0;i<vals.size(); i++) {
AmArg& row = vals.get(i);
// [int avp_id, int flags, int vendor, blob data]
row.assertArrayFmt("iiib");
}
DBG("x sendrequest\n");
sendRequest(a, ret);
} else if(method == "_list"){
ret.push(AmArg("newConnection"));
ret.push(AmArg("sendRequest"));
ret.push(AmArg("test1"));
ret.push(AmArg("test2"));
} else
throw AmDynInvoke::NotImplemented(method);
}