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157 lines
3.9 KiB
157 lines
3.9 KiB
/*
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* $Id: ServerConnection.cpp 463 2007-09-28 11:54:19Z sayer $
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*
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* Copyright (C) 2007 iptego GmbH
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*
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* This file is part of SEMS, a free SIP media server.
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*
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* sems is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* For a license to use the ser software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* sems is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _DIAMETER_SERVER_CONNECTION_H
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#define _DIAMETER_SERVER_CONNECTION_H
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#include "diameter_client.h"
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#include "AmThread.h"
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#include "AmEventQueue.h"
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#include "AmArg.h"
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#include <string>
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#include <vector>
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#include <map>
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#include <utility>
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using std::string;
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using std::vector;
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using std::map;
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using std::pair;
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#define AF_IP4 1 // http://www.iana.org/assignments/address-family-numbers
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enum {
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AAA_ERROR_NOTINIT = -1,
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AAA_ERROR_NOCONN = -2,
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AAA_ERROR_NOFREECONN = -3,
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AAA_ERROR_TIMEOUT = -4,
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AAA_ERROR_MESSAGE = -5,
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AAA_ERROR_COMM = -6
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};
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struct DiameterRequestEvent
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: public AmEvent
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{
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int command_code;
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int app_id;
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AmArg val;
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string sess_link;
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enum { ID_NewRequest = 0 };
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DiameterRequestEvent(int command_code,
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int app_id,
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AmArg val,
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string sess_link)
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: AmEvent(ID_NewRequest), command_code(command_code),
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app_id(app_id), val(val), sess_link(sess_link)
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{
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}
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};
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struct DiameterServerConnection {
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bool in_use;
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int sockfd;
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rd_buf_t rb;
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string origin_host;
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AAAMsgIdentifier h2h;
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AAAMsgIdentifier e2e;
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void terminate();
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void setIDs(AAAMessage* msg);
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DiameterServerConnection();
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~DiameterServerConnection() {}
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};
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class ServerConnection
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: public AmThread,
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public AmEventQueue,
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public AmEventHandler
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{
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struct timeval connect_ts;
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bool open;
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string server_name;
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int server_port;
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string origin_host;
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string origin_realm;
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string origin_ip;
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AAAApplicationId app_id;
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char origin_ip_address[2+4];// AF and address
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// the client
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string product_name;
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uint32_t vendorID;
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DiameterServerConnection conn;
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map<unsigned int, pair<string, struct timeval> >
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req_map;
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AmMutex req_map_mut;
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void openConnection();
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int addOrigin(AAAMessage* msg);
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int handleReply(AAAMessage* rep);
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int handleRequest(AAAMessage* req);
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AAAMessage* ReqEvent2AAAMessage(DiameterRequestEvent* re);
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AmArg AAAMessageAVPs2AmArg(AAAMessage* rep);
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static int addStringAVP(AAAMessage* msg, AAA_AVPCode avp_code, string& val, bool attail = false);
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static int addDataAVP(AAAMessage* msg, AAA_AVPCode avp_code, char* val, unsigned int len);
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static int addResultCodeAVP(AAAMessage* msg, AAAResultCode code);
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static int addGroupedAVP(AAA_AVP *avp, AAA_AVPCode avp_code, char* val, unsigned int len);
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// send request and get response
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int sendRequest(AAAMessage* req, unsigned int& exe);
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void process(AmEvent*);
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void receive();
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void setRetryConnectLater();
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public:
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ServerConnection();
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~ServerConnection();
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int init(const string& _server_name,
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int _server_port,
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const string& _origin_host,
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const string& _origin_realm,
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const string& _origin_ip,
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AAAApplicationId _app_id,
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unsigned int _vendorID,
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const string& _product_name);
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bool is_open() { return open; }
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void run();
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void on_stop();
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};
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#endif
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