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00042 extern "C" {
00043 #include <pthread.h>
00044 #include <signal.h>
00045 }
00046
00047 #include <memory>
00048
00049 #include "consmgr.h"
00050 #include "incoming.h"
00051 #include "connector.h"
00052 #include "mastercont.h"
00053
00065 Incoming::Incoming(ListenerP l, ConnEventHandler ceh) : base(l), handler(ceh)
00066 {
00067 start_listening();
00068 return;
00069 }
00070
00071 Incoming::~Incoming()
00072 {
00073 int ret;
00074 #if 0
00075 std::vector<pthread_t>::iterator ci = children.begin();
00076
00077 clog << "In Incoming's destructor (" << this << "; thread " << pthread_self() << ")" << endl;
00078 for ( ; ci != children.end() ; ++ci ) {
00079 clog << "Looking at child thread " << *ci << endl;
00080 if (pthread_kill(*ci, 0) == 0) {
00081 clog << "Cancel/detaching " << *ci << endl;
00082 ret = pthread_cancel(*ci);
00083 PTHREAD_CHECK_AND_THROW(ret, "pthread_cancel(child)");
00084 ret = pthread_detach(*ci);
00085 PTHREAD_CHECK_AND_THROW(ret, "pthread_cancel(child)");
00086 }
00087 }
00088 #endif
00089
00090 if (pthread_kill(tid_listener, 0) == 0) {
00091 clog << "Cancel/detaching master listener thread (" << tid_listener
00092 << ")" << endl;
00093 ret = pthread_cancel(tid_listener);
00094 clog << "Called pthread_cancel on " << tid_listener << ", it returned " << ret << endl;
00095 PTHREAD_CHECK_AND_THROW(ret, "pthread_cancel(tid_listener)");
00096 ret = pthread_join(tid_listener, NULL);
00097 clog << "Called pthread_join on " << tid_listener << ", it returned " << ret << endl;
00098 PTHREAD_CHECK_AND_THROW(ret, "pthread_cancel(tid_listener)");
00099 }
00100
00101 return;
00102 }
00103
00107 void
00108 Incoming::start_listening(void)
00109 {
00110 int ret;
00111
00112 ret = pthread_create(&tid_listener, NULL, Incoming::listener_thread, this);
00113 PTHREAD_CHECK_AND_THROW(ret, "pthread_create(listener_thread)");
00114
00115 return;
00116 }
00117
00125 void *
00126 Incoming::listener_thread(void *instance)
00127 {
00128 Incoming *me = (Incoming *)instance;
00129 ConnectorP newconn;
00130
00131
00132
00133
00134
00135 while (1) {
00136
00137
00138 try {
00139 newconn = me->base->listen_for_incoming();
00140 } CATCH_OR_DIE(78) {
00141
00142
00143
00144
00145 cerr << "caught unknown exception from " << me->base->class_name()
00146 << "::listen_for_incoming()" << endl;
00147 throw;
00148 }
00149
00150 clog << "Got a Connector from our Listener!!!" << endl;
00151
00152 try {
00159 clog << "*9* Starting a Connection on the received connection" << endl;
00160
00165 Connection *new_bdc = new BiDirConn(newconn);
00166
00167 #if SHOULD_NOT_BE_HERE
00168
00169 Outlet::outlet_list.add_item(newconn);
00170 #endif
00171
00172
00173
00174
00175 me->handler(new_bdc);
00176
00177
00178
00179 MasterController::get_instance()->add_recipient(new_bdc);
00180 } catch (fireball &fb) {
00181 fb.bail(cerr);
00182 } catch (pthread_exception &pe) {
00183 cerr << pe.what() << endl;
00184 throw;
00185 }
00186 }
00187
00188 return(NULL);
00189 }
00190
00191 std::string
00192 Incoming::get_id(void) const
00193 {
00194 return(string("Incoming above ")+base->get_id());
00195 }
00196
00197
00204 ConnEventHandler::ConnEventHandler()
00205 {}
00206
00207 ConnEventHandler::ConnEventHandler(const Connection *single_peer)
00208 {
00209 this->add_peer(single_peer);
00210 return;
00211 }
00212
00213 void
00214 ConnEventHandler::add_peer(const Connection *peer)
00215 {
00216 peers.push_back(const_cast<Connection*>(peer));
00217 return;
00218 }
00219
00225 void
00226 ConnEventHandler::operator ()(Connection *new_conn)
00227 {
00228 clog << "ConnEventHandler called for a Connection (" << new_conn
00229 << ")" << endl;
00230 for (peer_iterator pi = peers.begin() ; pi != peers.end() ; pi++) {
00231
00232
00233
00234 #warning "ConnEventHandler is adding peers only if the new connection is a Messager*, this is scary unclear, and should be fixed."
00235 if (dynamic_cast<Messager*>(new_conn))
00236 dynamic_cast<Messager*>(new_conn)->add_recipient((*pi));
00237
00238
00239 BiDirConn *bdcp = dynamic_cast<BiDirConn*>((*pi));
00240 if (bdcp)
00241 bdcp->add_recipient(new_conn);
00242 }
00243 clog << "ConnEventHandler cross-connected Connection " << new_conn
00244 << endl;
00245
00246 return;
00247 }