170 lines
4.1 KiB
C++
170 lines
4.1 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "RenderServer.h"
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#include "RenderThread.h"
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#include "TcpStream.h"
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#ifndef _WIN32
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#include "UnixStream.h"
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#include <signal.h>
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#include <pthread.h>
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#endif
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#ifdef _WIN32
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#include "Win32PipeStream.h"
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#endif
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#include "OpenglRender/render_api.h"
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#include <set>
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#include <string.h>
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typedef std::set<RenderThread *> RenderThreadsSet;
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RenderServer::RenderServer() :
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m_lock(),
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m_listenSock(NULL),
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m_exiting(false)
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{
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}
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RenderServer::~RenderServer()
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{
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delete m_listenSock;
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}
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extern "C" int gRendererStreamMode;
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RenderServer *RenderServer::create(char* addr, size_t addrLen)
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{
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RenderServer *server = new RenderServer();
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if (!server) {
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return NULL;
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}
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if (gRendererStreamMode == RENDER_API_STREAM_MODE_TCP) {
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server->m_listenSock = new TcpStream();
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} else {
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#ifdef _WIN32
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server->m_listenSock = new Win32PipeStream();
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#else
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server->m_listenSock = new UnixStream();
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#endif
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}
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char addrstr[SocketStream::MAX_ADDRSTR_LEN];
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if (server->m_listenSock->listen(addrstr) < 0) {
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ERR("RenderServer::create failed to listen\n");
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delete server;
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return NULL;
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}
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size_t len = strlen(addrstr) + 1;
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if (len > addrLen) {
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ERR("RenderServer address name too big for provided buffer: %zu > %zu\n",
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len, addrLen);
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delete server;
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return NULL;
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}
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memcpy(addr, addrstr, len);
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return server;
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}
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intptr_t RenderServer::main()
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{
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RenderThreadsSet threads;
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#ifndef _WIN32
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sigset_t set;
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sigfillset(&set);
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pthread_sigmask(SIG_SETMASK, &set, NULL);
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#endif
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while(1) {
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SocketStream *stream = m_listenSock->accept();
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if (!stream) {
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fprintf(stderr,"Error accepting gles connection, ignoring.\n");
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continue;
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}
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unsigned int clientFlags;
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if (!stream->readFully(&clientFlags, sizeof(unsigned int))) {
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fprintf(stderr,"Error reading clientFlags\n");
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delete stream;
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continue;
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}
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DBG("RenderServer: Got new stream!\n");
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// check if we have been requested to exit while waiting on accept
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if ((clientFlags & IOSTREAM_CLIENT_EXIT_SERVER) != 0) {
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m_exiting = true;
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delete stream;
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break;
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}
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RenderThread *rt = RenderThread::create(stream, &m_lock);
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if (!rt) {
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fprintf(stderr,"Failed to create RenderThread\n");
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delete stream;
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} else if (!rt->start()) {
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fprintf(stderr,"Failed to start RenderThread\n");
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delete rt;
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delete stream;
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}
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//
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// remove from the threads list threads which are
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// no longer running
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//
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for (RenderThreadsSet::iterator n,t = threads.begin();
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t != threads.end();
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t = n) {
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// first find next iterator
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n = t;
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n++;
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// delete and erase the current iterator
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// if thread is no longer running
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if ((*t)->isFinished()) {
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delete (*t);
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threads.erase(t);
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}
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}
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// if the thread has been created and started, insert it to the list
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if (rt) {
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threads.insert(rt);
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DBG("Started new RenderThread\n");
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}
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}
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//
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// Wait for all threads to finish
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//
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for (RenderThreadsSet::iterator t = threads.begin();
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t != threads.end();
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t++) {
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(*t)->forceStop();
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(*t)->wait(NULL);
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delete (*t);
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}
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threads.clear();
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return 0;
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}
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