X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Fyaz-socket-manager.cpp;h=43d90ca4740abe28aede82b61e19741c46703fdb;hb=c6e5ad789740135af3558298f6e2014ae99ee7dd;hp=8f209ac109a0f9df03181c24b0f88f531e608ab1;hpb=97118338f9ac93e767e5589d449d3f9abacb3190;p=yazpp-moved-to-github.git diff --git a/src/yaz-socket-manager.cpp b/src/yaz-socket-manager.cpp index 8f209ac..43d90ca 100644 --- a/src/yaz-socket-manager.cpp +++ b/src/yaz-socket-manager.cpp @@ -4,7 +4,16 @@ * Sebastian Hammer, Adam Dickmeiss * * $Log: yaz-socket-manager.cpp,v $ - * Revision 1.2 1999-01-28 13:08:48 adam + * Revision 1.5 1999-04-09 11:46:57 adam + * Added object Yaz_Z_Assoc. Much more functional client. + * + * Revision 1.4 1999/03/23 14:17:57 adam + * More work on timeout handling. Work on yaz-client. + * + * Revision 1.3 1999/02/02 14:01:23 adam + * First WIN32 port of YAZ++. + * + * Revision 1.2 1999/01/28 13:08:48 adam * Yaz_PDU_Assoc better encapsulated. Memory leak fix in * yaz-socket-manager.cc. * @@ -13,7 +22,7 @@ * */ #include -#ifdef WINDOWS +#ifdef WIN32 #include #else #include @@ -51,6 +60,8 @@ void Yaz_SocketManager::addObserver(int fd, IYazSocketObserver *observer) } se->fd = fd; se->mask = 0; + se->last_activity = 0; + se->timeout = 0; } void Yaz_SocketManager::deleteObserver(IYazSocketObserver *observer) @@ -99,7 +110,10 @@ void Yaz_SocketManager::timeoutObserver(IYazSocketObserver *observer, int Yaz_SocketManager::processEvent() { + YazSocketEntry *p; YazSocketEvent *event = getEvent(); + unsigned timeout = 0; + logf (LOG_LOG, "processEvent"); if (event) { event->observer->socketNotify(event->event); @@ -111,21 +125,15 @@ int Yaz_SocketManager::processEvent() int res; int max = 0; int no = 0; - struct timeval to; - struct timeval *timeout = &to; FD_ZERO(&in); FD_ZERO(&out); FD_ZERO(&except); - timeout = &to; /* hang on select */ - to.tv_sec = 60; - to.tv_usec = 0; - - for (YazSocketEntry *p = m_observers; p; p = p->next) + time_t now = time(0); + for (p = m_observers; p; p = p->next) { int fd = p->fd; - logf (LOG_LOG, "fd = %d mask=%d", fd, p->mask); if (p->mask) no++; if (p->mask & YAZ_SOCKET_OBSERVE_READ) @@ -136,14 +144,35 @@ int Yaz_SocketManager::processEvent() FD_SET(fd, &except); if (fd > max) max = fd; + if (p->timeout) + { + unsigned timeout_this; + timeout_this = p->timeout; + if (p->last_activity) + timeout_this -= now - p->last_activity; + if (timeout_this < 1) + timeout_this = 1; + if (!timeout || timeout_this < timeout) + timeout = timeout_this; + } } if (!no) + { + logf (LOG_LOG, "no pending events return 0"); + if (!m_observers) + logf (LOG_LOG, "no observers"); return 0; - while ((res = select(max + 1, &in, &out, &except, timeout)) < 0) + } + + struct timeval to; + to.tv_sec = timeout; + to.tv_usec = 0; + + while ((res = select(max + 1, &in, &out, &except, timeout ? &to : 0)) < 0) if (errno != EINTR) return -1; - - for (YazSocketEntry * p = m_observers; p; p = p->next) + now = time(0); + for (p = m_observers; p; p = p->next) { int fd = p->fd; int mask = 0; @@ -159,10 +188,19 @@ int Yaz_SocketManager::processEvent() if (mask) { YazSocketEvent *event = new YazSocketEvent; + p->last_activity = now; event->observer = p->observer; event->event = mask; putEvent (event); } + else if (p->timeout && now >= p->last_activity + (int) (p->timeout)) + { + YazSocketEvent *event = new YazSocketEvent; + p->last_activity = now; + event->observer = p->observer; + event->event = YAZ_SOCKET_OBSERVE_TIMEOUT; + putEvent (event); + } } if ((event = getEvent())) {