void TCPSocket::connect(const IPv4Address &addr, int port){
struct sockaddr_in name;
if(_socket == -1) create();
name.sin_family = AF_INET;
name.sin_port = htons(port);
name.sin_addr = *addr.address();
if(::connect(_socket, (struct sockaddr *)&name, sizeof(name)) != 0){
int erx = errno;
close();
_socket = -1;
switch(erx){
case ETIMEDOUT:
throw ConnectionTimeout();
break;
case ECONNREFUSED:
throw ConnectionRefused();
break;
case ENETUNREACH:
throw NetworkUnreachable();
break;
default:
throw NetworkException(erx);
}
}
in.open(_socket);
out.open(_socket);
}
NetworkSocket(std::string host, unsigned short int port)
: sock(socket(AF_INET, SOCK_STREAM, 0)),
buffer(""),
temporary_pool(HeapAlloc(GetProcessHeap(),
HEAP_ZERO_MEMORY,
8192)),
connected(false)
{
sockaddr_in server;
sockaddr_in *sockaddr_ipv4 = 0;
addrinfo* result, *ptr;
addrinfo hints;
ZeroMemory(&hints, sizeof(hints));
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
if (INVALID_SOCKET == sock) {
std::cerr << "Error: couldn't create a socket!\n";
throw NetworkError();
}
if (0 != GetAddrInfo(host.c_str(), NULL, &hints, &result)) {
std::cerr << "Error: DNS failure (couldn't look up server).\n";
throw NetworkError();
}
for(ptr = result; ptr != NULL ; ptr = ptr->ai_next) {
if (ptr->ai_family == AF_INET) {
CopyMemory(&server, ptr->ai_addr, sizeof(server));
break;
}
}
if (NULL == ptr) {
std::cerr << "Error: DNS failure (server not found).\n";
throw NetworkError();
}
freeaddrinfo(result);
server.sin_family = AF_INET;
server.sin_port = htons(port);
if (SOCKET_ERROR == connect(sock,
(sockaddr*) &server,
sizeof(server))) {
throw ConnectionRefused();
}
connected = true;
}
