Files
webserv/src/Server/Server.cpp
2022-02-08 00:16:14 +03:00

417 lines
9.2 KiB
C++

#include "Server.hpp"
#include <exception>
#include <cassert>
#include <cstdio>
#include <map>
#define THREAD_NUM 100
#define MAX_EVENTS
//----------------------------------------------Constructors-----------------------------------------------------------------------------------
Server::Server()
{
bzero(_events, sizeof(_events));
}
Server::Server(std::string path)
{
(void)path;
}
void Server::print_epoll_events(unsigned int events)
{
DBOUT << "Epoll events: ";
if (events & EPOLLIN)
DBOUT << "EPOLLIN ";
if (events & EPOLLOUT)
DBOUT << "EPOLLOUT ";
if (events & EPOLLET)
DBOUT << "EPOLLET ";
DBOUT << ENDL;
}
//----------------------------------------------Send--------------------------------------------------------------------------------------------
//----------------------------------------------Configuration-----------------------------------------------------------------------------------
void Server::readConfig(void)
{
TOMLMap *root = parse();
/* TOMLMap *map; */
TOMLMap::iterator it1;
TOMLMapArray *arr;
TOMLMapArray::iterator it;
arr = root->find("server")->second->getMapArray();
it = arr->begin();
while (it != arr->end())
{
_configs.push_back(new ServerConfig(*it));
++it;
}
clean_parsed(root);
}
void Server::sendData(Client &client, int fd)
{
/* std::string tmp = client.getStrToSend(); */
char *tmp = client.getStrToSend();
size_t size_diff = client.response_len - client.getCounter();
size_t send_len;
if (size_diff < BUFFSIZE)
send_len = size_diff;
else
send_len = BUFFSIZE;
/* DBOUT << YELLO << tmp << ENDL; */
/* DBOUT << GREEN << client.getCounter() << ENDL; */
DBOUT << "sent " << send_len << " to client " << fd << ENDL;
if (send(fd, tmp + client.getCounter(), send_len, MSG_NOSIGNAL) < 0)
{
DBOUT << RED << "SEND FAILED !@!!!" << ENDL;
client.done = true;
}
client.increaseCounter();
}
void Server::readSocket(Client &client, int fd)
{
int status;
int bytes_read;
char buf[BUFFSIZE + 1];
DBOUT << TURQ << "IN readSocket" << ENDL;
DBOUT << "client in readSocket "<< &client << ENDL;
bytes_read = recv(fd, buf, BUFFSIZE, 0);
if (bytes_read == 0)
{
client.allRead = true;
return;
}
buf[bytes_read + 1] = '\0';
client.setRawData(buf);
client.increaseRecvCounter(bytes_read);
status = client.parseRequest();
// client_map[fd].printClientInfo();
if ((bytes_read < BUFFSIZE) && client.allRecved())
{
client.allRead = true;
}
DBOUT << GREEN << "recvCounter " << client.getRecvCounter() << ENDL;
DBOUT << GREEN << "contentLength " << client.getRequest().getContentLength() << ENDL;
DBOUT << GREEN << "allRead " << client.allRead << ENDL;
DBOUT << BLUE << "status is " << Response::getReasonPhrase(status) << ENDL;
}
int Server::delete_client(std::map<int,Client *> &client_map, int fd)
{
int ret;
ret = epoll_ctl(_epoll_fd, EPOLL_CTL_DEL, fd, NULL);
close(fd);
client_map[fd]->clear();
delete (client_map[fd]);
client_map.erase(fd);
DBOUT << RED <<
"deleting client "
<< fd
<< ENDL;
return (ret);
}
void Server::setupConfig(void)
{
this->_ip = "127.0.0.1";
this->_port = 8080;
}
void Server::setNonBlock(int fd)
{
fcntl(fd, F_SETFL, O_NONBLOCK);
}
void Server::add_to_epoll_list(int fd, unsigned int ep_events)
{
struct epoll_event ev;
ev.events = ep_events;
ev.data.fd = fd;
assert(epoll_ctl(_epoll_fd, EPOLL_CTL_ADD, fd, &ev) == 0);
/* setNonBlock(fd); */
DBOUT << YELLO
<< "add socket "
<< fd
<< " to epoll_list"
<< ENDL;
}
void Server::start(void)
{
/* Socket server_sock(AF_INET, SOCK_STREAM, 0, _port, "127.0.0.1"); */
std::map<int, Client*> client_map;
std::map<int, struct serverListen> configurations_map;
int fd;
int ready_num = 0;
unsigned int client_events = EPOLLIN;
unsigned int server_events = EPOLLIN;
_epoll_fd = epoll_create(1337);
for (std::vector<ServerConfig *>::iterator it = _configs.begin();
it != _configs.end(); ++it)
{
ServerConfig *config = *it;
Socket server_sock(AF_INET, SOCK_STREAM, 0, config->getPort(), config->getHost());
if (server_sock.init(MAX_CLIENT) >= 0)
{
struct serverListen listenparams;
listenparams.ip = config->getHost();
listenparams.port = config->getPort();
setNonBlock(server_sock.getSocketFd());
configurations_map[server_sock.getSocketFd()] = listenparams;
DBOUT << YELLO << "adding server_sock..." << ENDL;
add_to_epoll_list(server_sock.getSocketFd(), server_events);
DBOUT << GREEN
<< config->getServerName()
<< " started on "
<< config->getHost()
<< ":"
<< config->getPort()
<< ENDL;
}
else
{
DBOUT << RED
<< config->getServerName()
<< " failed to bind to "
<< config->getHost()
<< ":"
<< config->getPort()
<< ENDL;
}
}
/* checkError(server_sock.init(MAX_CLIENT), "Socket init"); */
/* setNonBlock(server_sock.getSocketFd()); */
setNonBlock(_epoll_fd);
/* DBOUT << YELLO << "adding server_sock..." << ENDL; */
/* add_to_epoll_list(server_sock.getSocketFd(), server_events); */
while (1)
{
ready_num = epoll_wait(_epoll_fd, _events, MAX_CLIENT, 5000);
/* DBOUT << TURQ << "ready_num " << ready_num << ENDL; */
if (ready_num < 0)
throw std::logic_error("epoll_ret");
for (int i = 0; i < ready_num; i++)
{
fd = _events[i].data.fd;
unsigned int events = _events[i].events;
/* DBOUT << "FD is " << fd << ENDL; */
/* print_epoll_events(events); */
if (configurations_map.find(fd) != configurations_map.end())
{
int client_sock = accept(fd,
configurations_map[fd].getSockaddr(), server_sock.getSocklen());
if (client_sock > 0)
add_to_epoll_list(client_sock, client_events);
else
throw std::logic_error("accept didnt work");
}
else
{
if (client_map.find(fd) == client_map.end())
client_map[fd] = new Client();
if (events & EPOLLIN)
{
readSocket(*client_map[fd], fd);
if (client_map[fd]->readyToSend())
{
client_map[fd]->generateRespons();
struct epoll_event ev;
ev.events = EPOLLOUT;
ev.data.fd = fd;
assert( epoll_ctl(_epoll_fd, EPOLL_CTL_MOD, fd, &ev) == 0);
DBOUT << GREEN << "rearmed to EPOLLOUT" << ENDL;
}
if (client_map[fd]->isEmpty())
delete_client(client_map, fd);
}
else if (events & EPOLLOUT)
{
/* DBOUT << GREEN << "doing sendData" << ENDL; */
/* client_map[fd].printClientInfo(); */
sendData(*client_map[fd], fd);
if (client_map[fd]->allSended())
{
delete_client(client_map, fd);
}
}
}
}
}
close(server_sock.getSocketFd());
DBOUT << RED << "end;" << ENDL;
}
void Server::end(void)
{
std::vector<ServerConfig *>::iterator pri;
std::vector<location *>::iterator loc;
std::vector< location *> l;
pri = _configs.begin();
while (pri != _configs.end())
{
(*pri)->printFields();
l = (*pri)->getLocations();
loc = l.begin();
while (loc != l.end())
{
delete *loc;
loc++;
}
delete *pri;
pri++;
}
}
//----------------------------------------------Other------------------------------------------------------------------------------------------------
void Server::checkError(int fd, std::string str)
{
if (fd < 0)
{
DBOUT << RED << "Server ERROR: " << str << ENDL;
exit(1);
}
else
DBOUT << GREEN << "Server SUCCESS: " << str << ENDL;
}
void Server::clean_generic(toml_node *node)
{
switch (node->type)
{
case toml_node::STRING:
{
DBOUT << "cleaning string" << ENDL;
delete node->getString();
}
break;
case toml_node::MAPARRAY:
{
DBOUT << "cleaning MAPARRAY" << ENDL;
TOMLMapArray *map_array = node->getMapArray();
for (TOMLMapArray::iterator it = map_array->begin();
it != map_array->end(); ++it)
{
DBOUT << "cleaning a MAP of MAPARRAY" << ENDL;
TOMLMap *map = *it;
TOMLMap::iterator map_it = map->begin();
for (map_it = map->begin();
map_it != map->end(); ++map_it)
{
DBOUT << "cleaning a MAP item " << map_it->first << ENDL;
clean_generic(map_it->second);
/* map->erase(map_it); */
}
map->clear();
delete map;
}
map_array->clear();
delete map_array;
DBOUT << "end cleaning MAPARRAY" << ENDL;
}
break;
case toml_node::MAP:
{
DBOUT << "cleaning MAP" << ENDL;
TOMLMap *map = node->getMap();
for (TOMLMap::iterator it = map->begin(); it != map->end(); ++it)
{
DBOUT << "key is " << it->first << ENDL;
clean_generic(it->second);
/* map->erase(it); */
}
map->clear();
delete map;
}
break;
case toml_node::ARRAY:
{
DBOUT << "cleaning ARRAY" << ENDL;
TOMLArray *arr = node->getArray();
for (TOMLArray::iterator it = arr->begin();
it != arr->end(); ++it)
{
clean_generic(*it);
}
arr->clear();
delete arr;
DBOUT << "end cleaning MAP" << ENDL;
}
break;
default:
{
DBOUT << "Cleaning type " << node->type << " not implemented :)" << ENDL;
}
}
delete node;
}
void Server::clean_parsed(TOMLMap *root)
{
TOMLMap::iterator it;
DBOUT << ">>> cleaning up: <<<" << std::endl;
for (it = root->begin(); it != root->end(); ++it)
{
/* DBOUT << RED << it->first */
/* << ": " << GREEN */
/* << *(it->second->toString()); */
clean_generic(it->second);
/* delete it->second; */
std::cout << ", " << std::endl;
}
DBOUT << YELLO << "end of clean" << ENDL;
root->clear();
delete root;
root = NULL;
}
Server::~Server()
{
}