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134 lines
2.9 KiB
134 lines
2.9 KiB
/**
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* \file
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*
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* \author Georg Hopp
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*
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* \copyright
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* Copyright © 2012 Georg Hopp
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*
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* This program 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 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "server.h"
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#include "logger.h"
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#include "utils/signalHandling.h"
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int serverPoll(Server);
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int serverHandleAccept(Server, unsigned int);
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ssize_t serverRead(Server, unsigned int);
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ssize_t serverWrite(Server, unsigned int);
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void
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serverRun(Server this)
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{
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int events = 0;
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loggerLog(this->logger, LOGGER_INFO, "service started");
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while (!doShutdown) //! until error or signal
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{
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unsigned int i;
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if (0 == events) {
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events = serverPoll(this);
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}
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/**
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* handle accept
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*/
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if (0 != ((this->fds)[0].revents & POLLIN)) {
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if (-1 == serverHandleAccept(this, 0)) {
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(this->fds)[0].revents &= ~POLLIN;
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events--;
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}
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}
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/**
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* handle accept SSL
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*/
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if (0 != ((this->fds)[1].revents & POLLIN)) {
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if (-1 == serverHandleAccept(this, 1)) {
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(this->fds)[1].revents &= ~POLLIN;
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events--;
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}
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}
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for (i=2; i < this->nfds; i++) {
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/**
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* handle reads
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*/
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if (0 != ((this->fds)[i].revents & POLLIN)) {
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ssize_t processed = serverRead(this, i);
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// don't poll this one until I say.
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(this->fds)[i].events &= ~POLLIN;
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if (0 > processed) {
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events--;
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switch (processed) {
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case -1: // poll me again
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(this->fds)[i].events |= POLLIN;
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(this->fds)[i].revents &= ~POLLIN;
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break;
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case -2: // close me...
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serverCloseConn(this, i);
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break;
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}
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}
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if (0 < processed) {
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(this->fds)[i].events |= POLLOUT;
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}
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}
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/**
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* handle writes
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*/
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if (0 != ((this->fds)[i].revents & POLLOUT)) {
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ssize_t remaining = serverWrite(this, i);
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(this->fds)[i].events &= ~POLLOUT;
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if (0 >= remaining) {
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/*
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* 0 means queue was empty...try again next
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* time...no need to poll again.
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* Anyway, most likely we need to read again
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* so lets finish this event for now.
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*/
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events--;
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switch (remaining) {
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case -1: // poll me again
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(this->fds)[i].events |= POLLOUT;
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(this->fds)[i].revents &= ~POLLOUT;
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break;
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case -2: // close me...
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serverCloseConn(this, i);
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break;
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}
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}
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}
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if (0 > events)
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break; // no more events to handle
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}
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}
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}
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// vim: set ts=4 sw=4:
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