mirror of https://github.com/sipwise/sems.git
Conflicts: apps/registrar_client/SIPRegistrarClient.cpp apps/registrar_client/SIPRegistrarClient.h Conflicts: apps/registrar_client/SIPRegistrarClient.cpp apps/registrar_client/SIPRegistrarClient.hsayer/1.4-spce2.6
Stefan Sayer
15 years ago
parent
dfda667434
commit
dfe58a0cb1
@ -0,0 +1,278 @@
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#include "AmSipRegistration.h"
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#include "AmSession.h"
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#include "AmSessionContainer.h"
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SIPRegistration::SIPRegistration(const string& handle,
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const SIPRegistrationInfo& info,
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const string& sess_link)
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: info(info),
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dlg(this),
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cred(info.domain, info.auth_user, info.pwd),
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active(false),
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reg_begin(0),
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reg_expires(0),
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remove(false),
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sess_link(sess_link),
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reg_send_begin(0),
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waiting_result(false),
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seh(NULL)
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{
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req.cmd = "sems";
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req.user = info.user;
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req.method = "REGISTER";
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req.r_uri = "sip:"+info.domain;
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req.from = info.name+" <sip:"+info.user+"@"+info.domain+">";
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req.from_uri = "sip:"+info.user+"@"+info.domain;
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req.from_tag = handle;
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req.to = req.from;
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req.to_tag = "";
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req.callid = AmSession::getNewId();
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//
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// clear dlg.callid? ->reregister?
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dlg.updateStatusFromLocalRequest(req);
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dlg.cseq = 50;
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if(!info.contact.empty()) {
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dlg.contact_uri = SIP_HDR_COLSP(SIP_HDR_CONTACT) "<sip:";
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dlg.contact_uri += info.contact + ">" + CRLF;
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}
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}
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SIPRegistration::~SIPRegistration() {
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setSessionEventHandler(NULL);
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}
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void SIPRegistration::setSessionEventHandler(AmSessionEventHandler* new_seh) {
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if (seh)
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delete seh;
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seh = new_seh;
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}
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void SIPRegistration::doRegistration()
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{
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waiting_result = true;
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req.to_tag = "";
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dlg.remote_tag = "";
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req.r_uri = "sip:"+info.domain;
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dlg.remote_uri = req.r_uri;
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// set outbound proxy as next hop
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if (!info.proxy.empty()) {
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dlg.outbound_proxy = info.proxy;
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} else if (!AmConfig::OutboundProxy.empty()) {
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dlg.outbound_proxy = AmConfig::OutboundProxy;
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}
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if(!info.contact.empty()) {
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dlg.contact_uri = SIP_HDR_COLSP(SIP_HDR_CONTACT) "<"
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+ info.contact + ">" + CRLF;
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}
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if (dlg.sendRequest(req.method, "", "", "Expires: 3600\n") < 0)
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ERROR("failed to send registration.\n");
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// save TS
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struct timeval now;
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gettimeofday(&now, NULL);
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reg_send_begin = now.tv_sec;
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}
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void SIPRegistration::doUnregister()
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{
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waiting_result = true;
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req.to_tag = "";
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dlg.remote_tag = "";
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req.r_uri = "sip:"+info.domain;
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dlg.remote_uri = req.r_uri;
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// set outbound proxy as next hop
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if (!info.proxy.empty()) {
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dlg.outbound_proxy = info.proxy;
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} else if (!AmConfig::OutboundProxy.empty())
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dlg.outbound_proxy = AmConfig::OutboundProxy;
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//else
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// dlg.outbound_proxy = "";
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if(!info.contact.empty()) {
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dlg.contact_uri = SIP_HDR_COLSP(SIP_HDR_CONTACT) "<";
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dlg.contact_uri += info.contact + ">" + CRLF;
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}
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if (dlg.sendRequest(req.method, "", "", "Expires: 0\n") < 0)
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ERROR("failed to send deregistration.\n");
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// save TS
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struct timeval now;
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gettimeofday(&now, NULL);
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reg_send_begin = now.tv_sec;
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}
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void SIPRegistration::onSendRequest(const string& method,
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const string& content_type,
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const string& body,
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string& hdrs,
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int flags,
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unsigned int cseq) {
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if (seh)
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seh->onSendRequest(method, content_type, body,
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hdrs,flags,cseq);
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}
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void SIPRegistration::onSendReply(const AmSipRequest& req,
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unsigned int code,
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const string& reason,
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const string& content_type,
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const string& body,
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string& hdrs,
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int flags) {
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if (seh)
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seh->onSendReply(req,code,reason,
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content_type,body,hdrs,flags);
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}
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SIPRegistration::RegistrationState SIPRegistration::getState() {
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if (active)
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return RegisterActive;
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if (waiting_result)
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return RegisterPending;
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return RegisterExpired;
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}
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unsigned int SIPRegistration::getExpiresLeft() {
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struct timeval now;
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gettimeofday(&now, NULL);
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int diff = reg_begin + reg_expires - now.tv_sec;
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if (diff < 0)
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return 0;
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else
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return diff;
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}
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void SIPRegistration::onRegisterExpired() {
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if (sess_link.length()) {
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AmSessionContainer::instance()->postEvent(sess_link,
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new SIPRegistrationEvent(SIPRegistrationEvent::RegisterTimeout,
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req.from_tag));
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}
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DBG("Registration '%s' expired.\n", (info.user+"@"+info.domain).c_str());
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active = false;
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remove = true;
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}
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void SIPRegistration::onRegisterSendTimeout() {
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if (sess_link.length()) {
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AmSessionContainer::instance()->
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postEvent(sess_link,
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new SIPRegistrationEvent(SIPRegistrationEvent::RegisterSendTimeout,
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req.from_tag));
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}
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DBG("Registration '%s' REGISTER request timeout.\n",
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(info.user+"@"+info.domain).c_str());
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active = false;
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remove = true;
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}
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bool SIPRegistration::registerSendTimeout(time_t now_sec) {
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return now_sec > reg_send_begin + REGISTER_SEND_TIMEOUT;
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}
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bool SIPRegistration::timeToReregister(time_t now_sec) {
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// if (active)
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// DBG("compare %lu with %lu\n",(reg_begin+reg_expires), (unsigned long)now_sec);
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return (((unsigned long)reg_begin+ reg_expires/2) < (unsigned long)now_sec);
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}
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bool SIPRegistration::registerExpired(time_t now_sec) {
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return ((reg_begin+reg_expires) < (unsigned int)now_sec);
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}
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void SIPRegistration::onSipReply(const AmSipReply& reply, int old_dlg_status, const string& trans_method)
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{
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if ((seh!=NULL) && seh->onSipReply(reply, old_dlg_status, trans_method))
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return;
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waiting_result = false;
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if ((reply.code>=200)&&(reply.code<300)) {
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DBG("positive reply to REGISTER!\n");
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size_t end = 0;
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string local_contact_hdr = dlg.getContactHdr();
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local_contact.parse_contact(local_contact_hdr, (size_t)0, end);
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local_contact.dump();
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string contacts = reply.contact;
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if (contacts.empty())
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contacts = getHeader(reply.hdrs, "Contact", "m", true);
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bool found = false;
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if (!contacts.length()) {
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DBG("received positive reply to de-Register \n");
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active = false;
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remove = true;
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} else {
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end = 0;
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while (!found) {
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if (contacts.length() == end)
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break;
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if (!server_contact.parse_contact(contacts, end, end)) {
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ERROR("while parsing contact\n");
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break;
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}
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server_contact.dump();
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if (server_contact.isEqual(local_contact)) {
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DBG("contact found\n");
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found = active = true;
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//bool str2i(const string& str, unsigned int& result);
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if (str2i(server_contact.params["expires"], reg_expires)) {
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ERROR("could not extract expires value.\n");
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reg_expires = 500;
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}
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DBG("got an expires of %d\n", reg_expires);
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// save TS
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struct timeval now;
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gettimeofday(&now, NULL);
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reg_begin = now.tv_sec;
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if (sess_link.length()) {
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DBG("posting SIPRegistrationEvent to '%s'\n", sess_link.c_str());
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AmSessionContainer::instance()->
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postEvent(sess_link,
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new SIPRegistrationEvent(SIPRegistrationEvent::RegisterSuccess,
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req.from_tag,
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reply.code, reply.reason));
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}
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break;
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}
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}
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}
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if (!found) {
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if (sess_link.length()) {
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AmSessionContainer::instance()->
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postEvent(sess_link,
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new SIPRegistrationEvent(SIPRegistrationEvent::RegisterNoContact,
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req.from_tag,
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reply.code, reply.reason));
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}
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DBG("no matching Contact - deregistered.\n");
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active = false;
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remove = true;
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}
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} else if (reply.code >= 300) {
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DBG("Registration failed.\n");
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if (sess_link.length()) {
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AmSessionContainer::instance()->
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postEvent(sess_link,
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new SIPRegistrationEvent(SIPRegistrationEvent::RegisterFailed,
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req.from_tag,
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reply.code, reply.reason));
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}
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active = false;
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remove = true;
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}
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}
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@ -0,0 +1,158 @@
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/*
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* Copyright (C) 2006 iptego GmbH
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* Copyright (C) 2011 Stefan Sayer
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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. This program is released under
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* the GPL with the additional exemption that compiling, linking,
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* and/or using OpenSSL is allowed.
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*
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* For a license to use the SEMS 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 _AmSipRegistration_h_
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#define _AmSipRegistration_h_
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#include <string>
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using std::string;
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#include "ampi/SIPRegistrarClientAPI.h"
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#include "ampi/UACAuthAPI.h"
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#include "AmUriParser.h"
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#include "AmSessionEventHandler.h"
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#define REGISTER_SEND_TIMEOUT 60
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struct SIPRegistrationInfo {
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string domain;
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string user;
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string name;
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string auth_user;
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string pwd;
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string proxy;
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string contact;
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SIPRegistrationInfo(const string& domain,
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const string& user,
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const string& name,
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const string& auth_user,
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const string& pwd,
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const string& proxy,
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const string& contact)
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: domain(domain),user(user),name(name),
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auth_user(auth_user),pwd(pwd),proxy(proxy),contact(contact)
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{ }
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};
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class SIPRegistration : public AmSipDialogEventHandler,
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public DialogControl,
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public CredentialHolder
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{
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AmSipDialog dlg;
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UACAuthCred cred;
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SIPRegistrationInfo info;
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// session to post events to
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string sess_link;
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AmSessionEventHandler* seh;
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AmSipRequest req;
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AmUriParser server_contact;
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AmUriParser local_contact;
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time_t reg_begin;
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unsigned int reg_expires;
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time_t reg_send_begin;
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public:
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SIPRegistration(const string& handle,
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const SIPRegistrationInfo& info,
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const string& sess_link);
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~SIPRegistration();
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void setSessionEventHandler(AmSessionEventHandler* new_seh);
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void doRegistration();
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void doUnregister();
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bool timeToReregister(time_t now_sec);
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bool registerExpired(time_t now_sec);
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void onRegisterExpired();
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void onRegisterSendTimeout();
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bool registerSendTimeout(time_t now_sec);
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void onSendRequest(const string& method,
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const string& content_type,
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const string& body,
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string& hdrs,
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int flags,
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unsigned int cseq);
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void onSendReply(const AmSipRequest& req,
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unsigned int code,
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const string& reason,
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const string& content_type,
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const string& body,
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string& hdrs,
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int flags);
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// DialogControl if
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AmSipDialog* getDlg() { return &dlg; }
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// CredentialHolder
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UACAuthCred* getCredentials() { return &cred; }
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void onSipReply(const AmSipReply& reply, int old_dlg_status, const string& trans_method);
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void onSipRequest(const AmSipRequest& req) {}
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void onInvite2xx(const AmSipReply&) {}
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void onNoAck(unsigned int) {}
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void onNoPrack(const AmSipRequest &, const AmSipReply &) {}
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void onInvite1xxRel(const AmSipReply &){}
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void onPrack2xx(const AmSipReply &){}
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void onFailure(AmSipDialogEventHandler::FailureCause cause,
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const AmSipRequest*, const AmSipReply*){}
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/** is this registration registered? */
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bool active;
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/** should this registration be removed from container? */
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bool remove;
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/** are we waiting for the response to a register? */
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bool waiting_result;
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enum RegistrationState {
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RegisterPending = 0,
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RegisterActive,
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RegisterExpired
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};
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/** return the state of the registration */
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RegistrationState getState();
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/** return the expires left for the registration */
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unsigned int getExpiresLeft();
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SIPRegistrationInfo& getInfo() { return info; }
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const string& getEventSink() { return sess_link; }
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};
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#endif
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