mirror of
https://github.com/TheRedShip/RT_GPU.git
synced 2025-09-27 10:48:34 +02:00
366 lines
9.2 KiB
C++
366 lines
9.2 KiB
C++
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* server.cpp :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tomoron <tomoron@student.42angouleme.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/02/20 21:08:38 by tomoron #+# #+# */
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/* Updated: 2025/03/18 14:03:32 by tomoron ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "RT.hpp"
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void Clusterizer::initServer(std::string port)
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{
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_pollfds = 0;
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_curFrame = 0;
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try
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{
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initServerSocket(stoi(port));
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std::cout << "server initialized with socket " << _serverSocket << std::endl;
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}
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catch(std::exception &e)
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{
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std::cerr << "\033[31;1mserver initialization error : " << e.what() << "\033[0m" << std::endl;
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_error = 1;
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}
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}
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void Clusterizer::initServerSocket(int port)
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{
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struct sockaddr_in s_addr;
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if(port > 65535 || port < 0)
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throw std::runtime_error("invalid port");
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_serverSocket = socket(AF_INET, SOCK_STREAM | SOCK_NONBLOCK, 0);
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if (_serverSocket < 0)
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throw std::runtime_error("can't create socket");
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int opt = 1;
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if (setsockopt(_serverSocket, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) == -1)
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{
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perror("setsockopt");
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throw std::runtime_error("can't set socket options");
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}
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s_addr.sin_family = AF_INET;
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s_addr.sin_addr.s_addr = INADDR_ANY;
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s_addr.sin_port = htons(port);
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if (bind(_serverSocket, (struct sockaddr *)&s_addr, \
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sizeof(struct sockaddr_in)) < 0)
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{
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std::perror("bind :");
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throw std::runtime_error("can't bind socket");
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}
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if (::listen(_serverSocket, 50) < 0)
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throw std::runtime_error("can't listen on socket");
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if(_serverSocket == -1)
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throw std::runtime_error("unknown error");
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}
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void Clusterizer::updatePollfds(void)
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{
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if(_pollfds)
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delete[] _pollfds;
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_pollfds = new struct pollfd[_clients.size()];
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for(auto it = _clients.begin(); it != _clients.end(); it++)
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{
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_pollfds[std::distance(_clients.begin(), it)].fd = it->first;
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_pollfds[std::distance(_clients.begin(), it)].events = POLLIN;
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_pollfds[std::distance(_clients.begin(), it)].revents = 0;
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}
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}
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int Clusterizer::acceptClients(void)
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{
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int fd;
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fd = accept(_serverSocket, 0, 0);
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if (fd == -1)
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return(0);
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std::cout << "new client :" << fd << std::endl;
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_clients[fd].ready = 0;
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_clients[fd].curJob = 0;
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(void)write(fd, (uint8_t []){SET_MAP}, 1);
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(void)write(fd, _sceneName.c_str(), _sceneName.size() + 1);
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updatePollfds();
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return(1);
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}
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void Clusterizer::redistributeJob(t_job *job)
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{
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size_t highestInProgress = 0;
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auto clientHighest = _clients.begin();
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t_job *replaced;
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std::vector<t_job *>::iterator found;
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if(!_clients.size())
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{
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found = std::find(_jobs[IN_PROGRESS].begin(), _jobs[IN_PROGRESS].end(), job);
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_jobs[IN_PROGRESS].erase(found);
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_jobs[WAITING].insert(_jobs[WAITING].begin(), job);
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}
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for(auto it = _clients.begin(); it != _clients.end(); it++)
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{
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if(!it->second.curJob)
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{
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highestInProgress = (size_t) -1;
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clientHighest = it;
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}
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else if(it->second.curJob->frameNb > highestInProgress)
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{
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highestInProgress = it->second.curJob->frameNb;
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clientHighest = it;
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}
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}
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if(clientHighest->second.curJob)
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{
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(void)write(clientHighest->first, (uint8_t []){ABORT}, 1);
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replaced = clientHighest->second.curJob;
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found = std::find(_jobs[IN_PROGRESS].begin(), _jobs[IN_PROGRESS].end(), replaced);
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_jobs[IN_PROGRESS].erase(found);
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_jobs[WAITING].insert(_jobs[WAITING].begin(), clientHighest->second.curJob);
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}
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clientHighest->second.curJob = job;
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(void)write(clientHighest->first, (uint8_t []){JOB}, 1);
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(void)write(clientHighest->first, job, sizeof(t_job));
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}
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void Clusterizer::deleteClient(int fd)
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{
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std::map<int, t_client>::iterator it;
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std::cout << "client disconnected" << std::endl;
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it = _clients.find(fd);
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if(it == _clients.end())
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return;
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if(_clients[fd].curJob)
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redistributeJob(_clients[fd].curJob);
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_clients.erase(it);
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updatePollfds();
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close(fd);
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}
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void Clusterizer::getImageFromClient(int fd, std::vector<uint8_t> &buf)
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{
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std::cout << "client sent an image" << std::endl;
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buf.erase(buf.begin());
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if(_clients[fd].gotGo && _clients[fd].curJob)
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_renderer->addImageToRender(buf);
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else
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{
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std::cout << "client sent an image before receiving a ready signal, dropping image" << std::endl;
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buf.erase(buf.begin(), buf.begin() + (WIDTH * HEIGHT * 3));
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return;
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}
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buf.erase(buf.begin(), buf.begin() + (WIDTH * HEIGHT * 3));
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_clients[fd].gotGo = 0;
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_clients[fd].readyRespond = 0;
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auto posIter = std::find(_jobs[IN_PROGRESS].begin(), _jobs[IN_PROGRESS].end(), _clients[fd].curJob);
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_jobs[IN_PROGRESS].erase(posIter);
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_jobs[DONE].push_back(_clients[fd].curJob);
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_clients[fd].curJob = 0;
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_curFrame++;
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}
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bool Clusterizer::handleBuffer(int fd, std::vector<uint8_t> &buf)
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{
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std::vector<uint8_t> sendBuffer;
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uint8_t tmp;
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if(buf[0] == RDY)
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{
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_clients[fd].ready = 1;
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buf.erase(buf.begin());
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std::cout << "client " << fd << " is ready !" << std::endl;
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}
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else if(buf[0] == IMG_SEND_RQ)
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{
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std::cout << "client " << fd << " is ready to send its image" << std::endl;
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_clients[fd].readyRespond = 1;
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buf.erase(buf.begin());
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}
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else if(buf[0] == PROGRESS_UPDATE)
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{
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if(buf.size() < 2)
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return (0);
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tmp = buf[1];
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std::cout << "client " << fd << " sent a progress update, new progress : " << (int)tmp << std::endl;
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buf.erase(buf.begin(), buf.begin() + 2);
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if (tmp <= 100)
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_clients[fd].progress = tmp;
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}
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else if(buf[0] == IMG)
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{
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if(buf.size() < ((WIDTH * HEIGHT * 3) + 1))
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{
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std::cout << "incomplete IMG request, " << buf.size() << "/"<< (WIDTH * HEIGHT * 3) << std::endl;
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return (0);
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}
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getImageFromClient(fd, buf);
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}
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else
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{
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std::cout << "client sent an unknown request, ignoring" << std::endl;
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buf.erase(buf.begin());
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}
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if(sendBuffer.size())
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(void)write(fd, sendBuffer.data(), sendBuffer.size());
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return(buf.size() != 0);
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}
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int Clusterizer::updateBuffer(int fd)
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{
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uint8_t buffer[512];
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size_t ret;
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ret = recv(fd, buffer, 512, 0);
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if(!ret || ret == (size_t)-1)
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return(1);
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_clients[fd].buffer.insert(_clients[fd].buffer.end(), buffer, buffer + ret);
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while(handleBuffer(fd, _clients[fd].buffer))
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;;
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return(0);
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}
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int Clusterizer::dispatchJobs(void)
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{
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t_job *tmp;
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int dispatched;
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dispatched = 0;
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if(!_jobs[WAITING].size())
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return (0);
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for(auto it = _clients.begin(); it != _clients.end(); it++)
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{
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if(it->second.ready && !it->second.curJob)
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{
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tmp = _jobs[WAITING].front();
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_jobs[WAITING].erase(_jobs[WAITING].begin());
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_jobs[IN_PROGRESS].push_back(tmp);
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(void)write(it->first, (uint8_t []){JOB}, 1);
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(void)write(it->first, tmp, sizeof(t_job));
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it->second.progress = 0;
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it->second.curJob = tmp;
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it->second.readyRespond = 0;
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it->second.gotGo = 0;
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dispatched = 1;
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}
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if(!_jobs[WAITING].size())
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return (1);
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}
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return (dispatched);
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}
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int Clusterizer::handleSendRequests(void)
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{
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int action;
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action = 0;
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for(auto it = _clients.begin(); it != _clients.end(); it++)
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{
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if(it->second.curJob && it->second.curJob->frameNb == _curFrame + 1 && it->second.readyRespond && !it->second.gotGo)
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{
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action = 1;
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(void)write(it->first, (uint8_t []){RDY}, 1);
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it->second.gotGo = 1;
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}
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}
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return(action);
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}
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void Clusterizer::addJob(glm::vec3 pos, glm::vec2 dir, size_t samples, size_t frame, GPUDenoise &denoise)
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{
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t_job *tmp;
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tmp = new t_job;
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tmp->pos = pos;
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tmp->dir = dir;
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tmp->samples = samples;
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tmp->frameNb = frame;
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tmp->denoise = denoise;
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_jobs[WAITING].push_back(tmp);
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_curFrame = 0;
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std::cout << "new job added : " << std::endl;
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std::cout << " - pos : " << glm::to_string(pos) << std::endl;
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std::cout << " - dir : " << glm::to_string(dir) << std::endl;
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std::cout << std::endl;
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}
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void Clusterizer::abortJobs(void)
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{
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for(auto it = _jobs[WAITING].begin(); it != _jobs[WAITING].end(); it++)
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delete *it;
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_jobs[WAITING].clear();
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for(auto it = _clients.begin(); it != _clients.end(); it++)
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{
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if(it->second.curJob)
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{
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(void)write(it->first, (uint8_t []){ABORT}, 1);
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delete it->second.curJob;
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it->second.curJob = 0;
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it->second.progress = 0;
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}
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}
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_jobs[IN_PROGRESS].clear();
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for(auto it = _jobs[DONE].begin(); it != _jobs[DONE].end(); it++)
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delete *it;
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_jobs[DONE].clear();
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}
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void Clusterizer::updateServer(void)
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{
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int recv;
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int didSomething;
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if(!_jobs[WAITING].size() && !_jobs[IN_PROGRESS].size() && _jobs[DONE].size())
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{
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std::cout << "clusterized render done, closing output video" << std::endl;
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_renderer->endRender(this);
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}
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didSomething = 1;
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while(didSomething)
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{
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didSomething = acceptClients();
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if(handleSendRequests())
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didSomething = 1;
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if(dispatchJobs())
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didSomething = 1;
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recv = poll(_pollfds, _clients.size(), 1);
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if(!recv)
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return ;
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for(auto it = _clients.begin(); it != _clients.end(); it++)
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{
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if(_pollfds[std::distance(_clients.begin(), it)].revents & POLLIN)
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{
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didSomething = 1;
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if (updateBuffer(it->first))
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{
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deleteClient(it->first);
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break;
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}
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}
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}
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}
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}
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