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chat.cpp
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chat.cpp
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#include "r-tech1/network/chat.h"
#include <stdexcept>
using namespace Network;
using namespace Chat;
Message::Message():
type(Unknown){
}
Message::Message(const Message::Type & type):
type(type){
}
Message::Message(Socket socket):
type(Unknown){
read(socket);
}
Message::Message(const Message::Type & type, const std::string & sender, const std::string & message):
type(type),
sender(sender),
message(message){
}
Message::Message(const Message & copy):
type(copy.type),
sender(copy.sender),
message(copy.message),
parameters(copy.parameters){
}
Message::~Message(){
}
const Message & Message::operator=(const Message & copy){
type = copy.type;
sender = copy.sender;
message = copy.message;
parameters = copy.parameters;
return *this;
}
static std::string convertType(const Message::Type & type){
std::string converted;
switch (type){
case Message::Ping:
converted = "ping";
break;
case Message::Chat:
converted = "chat";
break;
case Message::Command:
converted = "command";
break;
case Message::Unknown:
default:
converted = "unknown";
break;
}
return converted;
}
static Message::Type convertType(const std::string & type){
Message::Type converted = Message::Unknown;
if (type == "ping"){
converted = Message::Ping;
} else if (type == "chat"){
converted = Message::Chat;
} else if (type == "command"){
converted = Message::Command;
} else if (type == "unknown"){
converted = Message::Unknown;
}
return converted;
}
void Message::read(Socket socket){
int16_t size = ::Network::read16(socket);
char * buffer = new char[size];
::Network::readBytes(socket, (uint8_t*) buffer, size);
char * position = buffer;
uint16_t nextSize = 0;
std::string typeString;
position = ::Network::parse16(position, &nextSize);
position = ::Network::parseString(position, &typeString, nextSize + 1);
type = convertType(typeString);
nextSize = 0;
position = ::Network::parse16(position, &nextSize);
position = ::Network::parseString(position, &sender, nextSize + 1);
nextSize = 0;
position = ::Network::parse16(position, &nextSize);
position = ::Network::parseString(position, &message, nextSize + 1);
uint16_t vectorSize = 0;
position = ::Network::parse16(position, &vectorSize);
for (int i = 0; i < vectorSize; ++i){
std::string next;
nextSize = 0;
position = ::Network::parse16(position, &nextSize);
position = ::Network::parseString(position, &next, nextSize + 1);
parameters.push_back(next);
}
delete[] buffer;
}
void Message::send(Socket socket){
// Type
std::string stringType = convertType(type);
int size = sizeof(uint16_t) + stringType.size()+1 +
sizeof(uint16_t) + sender.size()+1 +
sizeof(uint16_t) + message.size()+1 +
sizeof(uint16_t) + parameters.size();
for (std::vector<std::string>::iterator i = parameters.begin(); i != parameters.end(); ++i){
size+=sizeof(uint16_t) + (*i).size()+1;
}
size+=sizeof(uint16_t);
char * buffer = new char[size + sizeof(uint16_t)];
char * position = buffer;
position = ::Network::dump16(position, size);
position = ::Network::dump16(position, stringType.size());
position = ::Network::dumpStr(position, stringType);
position = ::Network::dump16(position, sender.size());
position = ::Network::dumpStr(position, sender);
position = ::Network::dump16(position, message.size());
position = ::Network::dumpStr(position, message);
position = ::Network::dump16(position, parameters.size());
for (std::vector<std::string>::iterator i = parameters.begin(); i != parameters.end(); ++i){
position = ::Network::dump16(position, (*i).size());
position = ::Network::dumpStr(position, (*i));
}
::Network::sendBytes(socket, (uint8_t*) buffer, size + sizeof(uint16_t));
delete[] buffer;
}
const Message::Type & Message::getType() const{
return type;
}
const std::string & Message::getName() const{
return sender;
}
const std::string & Message::getMessage() const{
return message;
}
void Message::setParameters(const std::vector<std::string> & parameters){
this->parameters = parameters;
}
const std::vector<std::string> & Message::getParameters() const{
return parameters;
}
Threadable::Threadable(){
}
Threadable::~Threadable(){
}
static void * run_thread(void * t){
Threadable * thread = (Threadable *)t;
thread->run();
return NULL;
}
void Threadable::start(){
::Util::Thread::createThread(&thread, NULL, (::Util::Thread::ThreadFunction) run_thread, this);
}
void Threadable::join(){
::Util::Thread::joinThread(thread);
}
Client::Client(int id, Network::Socket socket):
id(id),
socket(socket),
end(false),
valid(true){
}
Client::~Client(){
}
void Client::run(){
while (!end){
try {
::Util::Thread::ScopedLock scope(lock);
Message message(socket);
messages.push(message);
} catch (const Network::MessageEnd & ex){
end = true;
}
}
valid = false;
}
int Client::getId() const {
return id;
}
void Client::sendMessage(Message & message){
::Util::Thread::ScopedLock scope(lock);
try{
message.send(socket);
} catch (const ::Network::NetworkException & ex){
valid = false;
}
}
bool Client::hasMessages() const{
::Util::Thread::ScopedLock scope(lock);
return !messages.empty();
}
Message Client::nextMessage() {
::Util::Thread::ScopedLock scope(lock);
Message message = messages.front();
messages.pop();
return message;
}
void Client::shutdown(){
::Util::Thread::ScopedLock scope(lock);
end = true;
Network::close(socket);
join();
}
bool Client::isValid() const {
::Util::Thread::ScopedLock scope(lock);
return valid;
}
Server::Server(int port):
end(false){
remote = Network::openReliable(port);
Network::listen(remote);
Global::debug(0) << "Waiting for a connection on port " << port << std::endl;
}
Server::~Server(){
}
void Server::run(){
int idList = 0;
while (!end){
Util::ReferenceCount<Client> client = Util::ReferenceCount<Client>(new Client(idList++, Network::accept(remote)));
client->start();
clients.push_back(client);
Global::debug(0) << "Got a connection" << std::endl;
}
}
void Server::poll(){
for (std::vector< Util::ReferenceCount<Client> >::iterator i = clients.begin(); i != clients.end(); ++i){
Util::ReferenceCount<Client> client = *i;
while (client->hasMessages()){
Message message = client->nextMessage();
relay(client->getId(), message);
messages.push(message);
}
}
}
void Server::cleanup(){
for (std::vector< Util::ReferenceCount<Client> >::iterator i = clients.begin(); i != clients.end(); ++i){
Util::ReferenceCount<Client> client = *i;
Message ping(Message::Ping);
client->sendMessage(ping);
if (!client->isValid()){
client->shutdown();
i = clients.erase(i);
}
}
}
bool Server::hasMessages() const{
return !messages.empty();
}
Message Server::nextMessage() {
Message message = messages.front();
messages.pop();
return message;
}
void Server::global(Message & message){
for (std::vector< Util::ReferenceCount<Client> >::iterator i = clients.begin(); i != clients.end(); ++i){
Util::ReferenceCount<Client> client = *i;
client->sendMessage(message);
}
}
void Server::relay(int id, Message & message){
for (std::vector< Util::ReferenceCount<Client> >::iterator i = clients.begin(); i != clients.end(); ++i){
Util::ReferenceCount<Client> client = *i;
if (client->getId() != id){
client->sendMessage(message);
}
}
}
void Server::shutdown(){
::Util::Thread::ScopedLock scope(lock);
end = true;
for (std::vector< Util::ReferenceCount<Client> >::iterator i = clients.begin(); i != clients.end(); ++i){
Util::ReferenceCount<Client> client = *i;
client->shutdown();
}
Network::close(remote);
join();
}

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chat.cpp (8 KB)

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