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static int socketDoEvent(socket_t *sp)
{
ringq_t *rq;
int sid;
a_assert(sp);
sid = sp->sid;
if (sp->currentEvents & SOCKET_READABLE) {
if (sp->flags & SOCKET_LISTENING) {
socketAccept(sp);
sp->currentEvents = 0;
return 1;
}
} else {
/*
* If there is still read data in the buffers, trigger the read handler
* NOTE: this may busy spin if the read handler doesn't read the data
*/
if (sp->handlerMask & SOCKET_READABLE && socketInputBuffered(sid) > 0) {
sp->currentEvents |= SOCKET_READABLE;
}
}
/*
* If now writable and flushing in the background, continue flushing
*/
if (sp->currentEvents & SOCKET_WRITABLE) {
if (sp->flags & SOCKET_FLUSHING) {
rq = &sp->outBuf;
if (ringqLen(rq) > 0) {
socketFlush(sp->sid);
} else {
sp->flags &= ~SOCKET_FLUSHING;
}
}
}
/*
* Now invoke the users socket handler. NOTE: the handler may delete the
* socket, so we must be very careful after calling the handler.
*/
if (sp->handler && (sp->handlerMask & sp->currentEvents)) {
(sp->handler)(sid, sp->handlerMask & sp->currentEvents,
sp->handler_data);
/*
* Make sure socket pointer is still valid, then reset the currentEvents.
*/
if (socketList && sid < socketMax && socketList[sid] == sp) {
sp->currentEvents = 0;
}
}
return 1;
}
为什么我请求一个web界面,它只执行下面这些
if (sp->currentEvents & SOCKET_READABLE) {
if (sp->flags & SOCKET_LISTENING) {
socketAccept(sp);
sp->currentEvents = 0;
return 1;
}
} |
阿莫论坛20周年了!感谢大家的支持与爱护!!
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