ServerCore/TCPServer.cpp

132 lines
4.4 KiB
C++

#include "TCPServer.h"
#include "EPoll.h"
#include "Exception.h"
#include "Log.h"
#include "TCPSession.h"
namespace core {
TCPServer::TCPServer(EPoll &ePoll, IPAddress address, TLSInfo *tlsInfo, std::string delimiter, int depth, std::string text)
: TCPSocket(ePoll, tlsInfo, text), commands(delimiter, depth) {
setDescriptor(socket(AF_INET, SOCK_STREAM, 0));
int yes = 1;
setsockopt(getDescriptor(), SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(int));
if (bind(getDescriptor(), address.getPointer(), address.addressLength) < 0)
throw coreutils::Exception("Error on bind to socket: " + std::to_string(errno));
if (listen(getDescriptor(), 20) < 0)
throw coreutils::Exception("Error on listen to socket");
}
TCPServer::~TCPServer() {
coreutils::Log(coreutils::LOG_DEBUG_2) << "Closing server socket " << getDescriptor() << ".";
close(getDescriptor());
}
void TCPServer::connectionRequest() {
coreutils::Log(coreutils::LOG_DEBUG_2) << "Connection request is being received on socket " << getDescriptor() << ".";
lock.lock();
TCPSession *session = accept();
if (session)
sessions.push_back(session);
if(true) {
registerSocket(session->getDescriptor());
acceptSocket();
}
lock.unlock();
}
TCPSession * TCPServer::accept() {
try {
TCPSession *session = getSocketAccept(ePoll);
session->setDescriptor(::accept(getDescriptor(), (struct sockaddr *)&session->ipAddress.addr, &session->ipAddress.addressLength));
// if(blackList && blackList->contains(session->ipAddress.getClientAddress())) {
// session->shutdown();
// Log(LOG_WARN) << "Client at IP address " << session->ipAddress.getClientAddress() << " is blacklisted and was denied a connection.";
// return NULL;
// }
// if(whiteList && !whiteList->contains(session->ipAddress.getClientAddress())) {
// session->shutdown();
// Log(LOG_WARN) << "Client at IP address " << session->ipAddress.getClientAddress() << " is not authorized and was denied a connection.";
// return NULL;
// }
return session;
}
catch (coreutils::Exception e) {
coreutils::Log(coreutils::LOG_EXCEPT) << "Major error on session initialization. Error is '" << e.text << "'.";
}
catch (...) {
coreutils::Log(coreutils::LOG_EXCEPT) << "Unnspecified error on session initialization.";
}
return NULL;
}
void TCPServer::removeFromSessionList(TCPSession *session) {
std::vector<TCPSession *>::iterator cursor;
lock.lock();
for(cursor = sessions.begin(); cursor < sessions.end(); ++cursor)
if(*cursor == session) {
sessions.erase(cursor);
break;
}
lock.unlock();
}
void TCPServer::sessionErrorHandler(std::string errorString, std::stringstream &out) {
throw coreutils::Exception(errorString);
}
TCPSession * TCPServer::getSocketAccept(EPoll &ePoll) {
return new TCPSession(ePoll, this);
}
void TCPServer::output(std::stringstream &out) {
out << "Use the 'help' command to list the commands for this server." << std::endl;
}
int TCPServer::processCommand(coreutils::ZString &request, TCPSession &session) {
int sequence = 0;
for (auto *sessionx : sessions)
{
session.out << "|" << ++sequence;
sessionx->output(session.out);
session.out << "|" << std::endl;
}
return 1;
}
void TCPServer::sendToAll(std::stringstream &data) {
for (auto session : sessions)
session->write(data.str());
data.str("");
}
void TCPServer::sendToAll(std::stringstream &data, TCPSession &sender) {
for (auto session : sessions)
if (session != &sender)
session->write(data.str());
data.str("");
}
void TCPServer::sendToAll(std::stringstream &data, TCPSession &sender, SessionFilter filter) {
for (auto session : sessions)
if (filter.test(*session))
if (session != &sender)
session->write(data.str());
data.str("");
}
TCPSession *TCPServer::getSessionByAlias(void *alias) {
coreutils::Log(coreutils::LOG_DEBUG_1) << alias;
for (auto session : sessions)
if (session->compareAlias(alias))
return session;
return NULL;
}
}