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284 lines
7.9 KiB
284 lines
7.9 KiB
/*
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* $Id: AmRequest.h,v 1.20.2.2 2005/08/03 21:00:30 sayer Exp $
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*
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* Copyright (C) 2002-2003 Fhg Fokus
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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 _AmRequest_h_
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#define _AmRequest_h_
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#include "AmCmd.h"
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#include "AmSdp.h"
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#include "AmThread.h"
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#include "AmEventQueue.h"
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#include "AmUACAuth.h"
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#include <stdio.h>
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#include <string>
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using std::string;
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class AmSession;
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class AmSessionContainer;
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/**
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* Holds and handles the client's request and following responses.
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*
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*/
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class AmRequest
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{
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protected:
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AmSdp sdp;
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AmSessionContainer* session_container;
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bool replied;
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string m_body;
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std::string content_type;
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/** @return 0 if succeded. */
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int sendRequest(const string& method,
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unsigned int& code,
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string& reason,
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std::string& auth_header,
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const string& body = "",
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const string& content_type = "");
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/** send a request without body. @return 0 if succeded. */
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int sendRequest(const std::string& method,
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unsigned int& code,
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std::string& reason);
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/** @return 0 if succeded. */
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int send(const string& fifo_name, const string& msg,
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unsigned int& code, string& reason, std::string& auth_header);
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/** without auth_header. @return 0 if succeded. */
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int send(const string& ser_cmd, const string& msg,
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unsigned int& code, string& reason);
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/** @return 0 if succeded. */
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int getReturnCode(char* reply_buf, unsigned int& code,
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std::string& reason, std::string& auth_hdr);
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string getContactHdr();
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AmRequest(const AmCmd& _cmd);
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public:
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AmCmd cmd;
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bool getReplied() { return replied; }
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virtual AmRequest* duplicate()=0;
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virtual ~AmRequest(){}
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/**
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* Sends a reply.
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* @return 0 if succeded.
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*/
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virtual int reply(int code, const string& reason, const string& body="") { return 0; }
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/**
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* Accept the SDP request.
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* Warning: throws AmSession::Exception()
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*/
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virtual void accept(int localport) {}
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/**
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* Process the request.
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* @return true if failed
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*/
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virtual void execute()=0;
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/**
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* End the dialog.
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* @return 0 if succeded.
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*/
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int bye();
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/**
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* Raise an error.
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*/
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void error(int code, const string& reason);
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friend class AmSession;
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};
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class AmRequestUAS: public AmRequest
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{
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public:
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AmRequestUAS(const AmCmd& _cmd, char* body_buf);
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AmRequest* duplicate();
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void execute();
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void accept(int localport);
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int reply(int code, const string& reason, const string& body="");
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const string& getBody() { return m_body; }
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};
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class AmRequestUAC: public AmRequest
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{
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std::string status_subscriber_dlg_hash;
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std::string status_subscriber_dlg_key;
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void notify_uac_req_status(unsigned int code, std::string& reason);
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std::vector<UACAuthCredential> credentials;
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public:
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AmRequestUAC(const AmCmd& _cmd,
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std::string req_status_subscriber_hash_ = "",
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std::string req_status_subscriber_key_ = "")
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: AmRequest(_cmd), status_subscriber_dlg_hash(req_status_subscriber_hash_),
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status_subscriber_dlg_key(req_status_subscriber_key_) {}
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AmRequest* duplicate();
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void execute();
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/**
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* Dials a SIP User Agent.
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* @param user Any string you want to get back in AmCmd.user
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* within the following call to AmStateFactory::onInvite.
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* @param app_name Name of the application plug-in which gets the call.
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* @param uri Client's uri.
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* @param from_user Value for SIP 'From' header.
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* @param dialout_status_subscriber Eventqueue that will get the response
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* of the new call.
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* @return A copy of the AmCmd object which has used to
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* constuct the request.
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*/
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static AmCmd dialout(const string& user,
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const string& app_name,
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const string& uri,
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const string& from_user,
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std::string dialout_status_subscriber_hash = "",
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std::string dialout_status_subscriber_key = "");
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/**
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* Dialout with a credential.
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*
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* @see AmRequest::dialout
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*/
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static AmCmd dialoutEx(const std::string& user,
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const std::string& app_name,
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const std::string& uri,
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const std::string& from_user,
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const std::string& next_hop,
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const UACAuthCredential cred,
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std::string dialout_status_subscriber_hash = "",
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std::string dialout_status_subscriber_key = "");
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/**
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* send a REGISTER
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*
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*/
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static AmCmd registerUAC(const std::string& app_name,
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const std::string& uri,
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const std::string& to,
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const std::string& from,
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const std::string& user,
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const std::string& next_hop,
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unsigned int expires,
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const UACAuthCredential cred,
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std::string dialout_status_subscriber_hash = "",
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std::string dialout_status_subscriber_key = "");
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/**
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* Sends an in-dialog REFER.
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* @param cmd A copy of the AmCmd object which has
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* been used to construct the request which
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* has to be REFER-ed.
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* @param refer_to The SIP URI that the call shal be referred to.
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* @param refer_status_subscriber EventQueue that the response of the refer
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* will go into.
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*/
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static AmCmd refer(const AmCmd& cmd,
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const string& refer_to,
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std::string refer_status_subscriber_hash = "",
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std::string refer_status_subscriber_key = "");
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/**
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* Cancels a previous Request.
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* @param _cmd A copy of the AmCmd object which has
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* been used to construct the request which
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* has to be canceled.
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*/
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static void cancel(const AmCmd& cmd);
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/**
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* add a credential to the request
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*/
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void add_credential(const UACAuthCredential& cred);
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};
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class AmRequestUACStatusEvent : public AmEvent {
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public:
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int code;
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string reason;
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AmRequestUAC request;
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enum EventType { Accepted = 4, Error };
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AmRequestUACStatusEvent(EventType event_type, const AmRequestUAC& request,
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int code_, string reason_);
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};
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class AmASyncRequestUAC: public AmRequestUAC, public AmThread
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{
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public:
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AmASyncRequestUAC(const AmCmd& _cmd,
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std::string status_subscriber_dlg_hash = "",
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std::string status_subscriber_dlg_key = "");
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void run();
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void on_stop();
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};
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/**
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* AmASyncFullRequestUAC can have a body and content-type.
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*
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* @see AmASyncRequestUAC
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*/
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class AmASyncFullRequestUAC : public AmASyncRequestUAC
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{
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public:
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AmASyncFullRequestUAC(const AmCmd& _cmd, const std::string& body = "",
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const std::string& content_type_ = "",
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std::string status_subscriber_dlg_hash = "",
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std::string status_subscriber_dlg_key = "")
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: AmASyncRequestUAC(_cmd, status_subscriber_dlg_hash, status_subscriber_dlg_key)
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{
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m_body = body;
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content_type = content_type_;
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}
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};
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#endif
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// Local Variables:
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// mode:C++
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// End:
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