10 #include <apps/tcpip/socket.h> 11 #include <sys/simulation/simulation_controller.h> 20 #include <sys/types.h> 21 #include <sys/socket.h> 22 #include <netinet/in.h> 23 #include <netinet/tcp.h> 24 #include <arpa/inet.h> 38 #define vsnprintf _vsnprintf 55 extern "C" void init_tcpip( shawn::SimulationController& sc )
66 bool Socket::init_windows_sockets_ =
true;
67 bool Socket::windows_sockets_initialized_ =
false;
68 int Socket::instance_count_ = 0;
105 if( init_windows_sockets_ && !windows_sockets_initialized_ )
108 if( WSAStartup(MAKEWORD(1, 1), &wsaData) != 0 )
110 windows_sockets_initialized_ =
true;
138 && init_windows_sockets_ && instance_count_ == 0 )
140 windows_sockets_initialized_ =
false;
151 int e = WSAGetLastError();
152 std::string msg = GetWinsockErrorString( e );
154 std::string msg = strerror( errno );
176 FD_SET( (
unsigned int)sock, &fds );
182 int r = select( sock+1, &fds, NULL, NULL, &tv);
187 if( FD_ISSET( sock, &fds ) )
196 atoaddr( std::string address,
struct sockaddr_in& addr)
199 struct addrinfo *servinfo;
201 struct addrinfo hints;
202 memset(&hints, 0,
sizeof hints);
203 hints.ai_family = AF_INET;
204 hints.ai_socktype = SOCK_STREAM;
205 hints.ai_flags = AI_PASSIVE;
207 if ((status = getaddrinfo(address.c_str(), NULL, &hints, &servinfo)) != 0) {
213 for (
struct addrinfo *p = servinfo; p != NULL; p = p->ai_next) {
214 if (p->ai_family == AF_INET) {
215 addr = *(
struct sockaddr_in *)p->ai_addr;
216 addr.sin_port = htons((
unsigned short)
port_);
222 freeaddrinfo(servinfo);
237 struct sockaddr_in client_addr;
239 int addrlen =
sizeof(client_addr);
241 socklen_t addrlen =
sizeof(client_addr);
246 struct sockaddr_in self;
249 server_socket_ =
static_cast<int>(socket( AF_INET, SOCK_STREAM, 0 ));
250 if( server_socket_ < 0 )
261 setsockopt(server_socket_, SOL_SOCKET, SO_REUSEADDR, &reuseaddr,
sizeof(reuseaddr));
266 memset(&
self, 0,
sizeof(
self));
267 self.sin_family = AF_INET;
268 self.sin_port = htons((
unsigned short)
port_);
269 self.sin_addr.s_addr = htonl(INADDR_ANY);
272 if ( bind(server_socket_, (
struct sockaddr*)&
self,
sizeof(
self)) != 0 )
277 if ( listen(server_socket_, 10) == -1 )
289 setsockopt(
socket_, IPPROTO_TCP, TCP_NODELAY, (
const char*)&x,
sizeof(x));
312 if (ioctlsocket(
server_socket_, FIONBIO, &NonBlock) == SOCKET_ERROR)
313 BailOnSocketError(
"tcpip::Socket::set_blocking() Unable to initialize non blocking I/O");
339 socket_ =
static_cast<int>(socket( PF_INET, SOCK_STREAM, 0 ));
343 if( ::
connect(
socket_, (sockaddr
const*)&address,
sizeof(address) ) < 0 )
349 setsockopt(
socket_, IPPROTO_TCP, TCP_NODELAY, (
const char*)&x,
sizeof(x));
374 send(
const std::vector<unsigned char> &buffer)
382 size_t numbytes = buffer.size();
383 unsigned char const *bufPtr = &buffer[0];
384 while( numbytes > 0 )
387 int bytesSent =
::send(
socket_, (
const char*)bufPtr, static_cast<int>(numbytes), 0 );
394 numbytes -= bytesSent;
408 int length =
static_cast<int>(b.size());
415 std::vector<unsigned char> msg;
416 msg.insert(msg.end(), length_storage.
begin(), length_storage.
end());
417 msg.insert(msg.end(), b.begin(), b.end());
429 const int bytesReceived = recv(
socket_, (
char*)buffer, static_cast<int>(len), 0 );
431 const int bytesReceived =
static_cast<int>(recv(
socket_, buffer, len, 0 ));
433 if( bytesReceived == 0 )
434 throw SocketException(
"tcpip::Socket::recvAndCheck @ recv: peer shutdown" );
435 if( bytesReceived < 0 )
438 return static_cast<size_t>(bytesReceived);
451 len -= bytesReceived;
452 buffer += bytesReceived;
465 std::cerr << label <<
" " << buffer.size() <<
" bytes via tcpip::Socket: [";
467 const std::vector<unsigned char>::const_iterator end = buffer.end();
468 for (std::vector<unsigned char>::const_iterator it = buffer.begin(); end != it; ++it)
469 std::cerr <<
" " << static_cast<int>(*it) <<
" ";
470 std::cerr <<
"]" << std::endl;
476 std::vector<unsigned char>
481 std::vector<unsigned char> buffer;
489 buffer.resize(bufSize);
490 const size_t bytesReceived =
recvAndCheck(&buffer[0], bufSize);
492 buffer.resize(bytesReceived);
510 std::vector<unsigned char> buffer(
lengthLen);
515 const int totalLen = length_storage.
readInt();
519 buffer.resize(totalLen);
526 msg.writePacket(&buffer[lengthLen], totalLen - lengthLen);
557 GetWinsockErrorString(
int err)
563 case 0:
return "No error";
564 case WSAEINTR:
return "Interrupted system call";
565 case WSAEBADF:
return "Bad file number";
566 case WSAEACCES:
return "Permission denied";
567 case WSAEFAULT:
return "Bad address";
568 case WSAEINVAL:
return "Invalid argument";
569 case WSAEMFILE:
return "Too many open sockets";
570 case WSAEWOULDBLOCK:
return "Operation would block";
571 case WSAEINPROGRESS:
return "Operation now in progress";
572 case WSAEALREADY:
return "Operation already in progress";
573 case WSAENOTSOCK:
return "Socket operation on non-socket";
574 case WSAEDESTADDRREQ:
return "Destination address required";
575 case WSAEMSGSIZE:
return "Message too long";
576 case WSAEPROTOTYPE:
return "Protocol wrong type for socket";
577 case WSAENOPROTOOPT:
return "Bad protocol option";
578 case WSAEPROTONOSUPPORT:
return "Protocol not supported";
579 case WSAESOCKTNOSUPPORT:
return "Socket type not supported";
580 case WSAEOPNOTSUPP:
return "Operation not supported on socket";
581 case WSAEPFNOSUPPORT:
return "Protocol family not supported";
582 case WSAEAFNOSUPPORT:
return "Address family not supported";
583 case WSAEADDRINUSE:
return "Address already in use";
584 case WSAEADDRNOTAVAIL:
return "Can't assign requested address";
585 case WSAENETDOWN:
return "Network is down";
586 case WSAENETUNREACH:
return "Network is unreachable";
587 case WSAENETRESET:
return "Net Socket reset";
588 case WSAECONNABORTED:
return "Software caused tcpip::Socket abort";
589 case WSAECONNRESET:
return "Socket reset by peer";
590 case WSAENOBUFS:
return "No buffer space available";
591 case WSAEISCONN:
return "Socket is already connected";
592 case WSAENOTCONN:
return "Socket is not connected";
593 case WSAESHUTDOWN:
return "Can't send after socket shutdown";
594 case WSAETOOMANYREFS:
return "Too many references, can't splice";
595 case WSAETIMEDOUT:
return "Socket timed out";
596 case WSAECONNREFUSED:
return "Socket refused";
597 case WSAELOOP:
return "Too many levels of symbolic links";
598 case WSAENAMETOOLONG:
return "File name too long";
599 case WSAEHOSTDOWN:
return "Host is down";
600 case WSAEHOSTUNREACH:
return "No route to host";
601 case WSAENOTEMPTY:
return "Directory not empty";
602 case WSAEPROCLIM:
return "Too many processes";
603 case WSAEUSERS:
return "Too many users";
604 case WSAEDQUOT:
return "Disc quota exceeded";
605 case WSAESTALE:
return "Stale NFS file handle";
606 case WSAEREMOTE:
return "Too many levels of remote in path";
607 case WSASYSNOTREADY:
return "Network system is unavailable";
608 case WSAVERNOTSUPPORTED:
return "Winsock version out of range";
609 case WSANOTINITIALISED:
return "WSAStartup not yet called";
610 case WSAEDISCON:
return "Graceful shutdown in progress";
611 case WSAHOST_NOT_FOUND:
return "Host not found";
612 case WSANO_DATA:
return "No host data of that type was found";
622 #endif // BUILD_TCPIP
StorageType::const_iterator end() const
void BailOnSocketError(std::string) const
bool receiveExact(Storage &)
Receive a complete TraCI message from Socket::socket_.
std::vector< unsigned char > receive(int bufSize=2048)
Receive up to bufSize available bytes from Socket::socket_.
static const int lengthLen
Length of the message length part of a TraCI message.
Socket(std::string host, int port)
Constructor that prepare to connect to host:port.
bool has_client_connection() const
virtual void writeInt(int)
void connect()
Connects to host_:port_.
void receiveComplete(unsigned char *const buffer, std::size_t len) const
Receive len bytes from Socket::socket_.
void printBufferOnVerbose(const std::vector< unsigned char > buffer, const std::string &label) const
Print label and buffer to stderr if Socket::verbose_ is set.
Socket * accept(const bool create=false)
Wait for a incoming connection to port_.
void send(const std::vector< unsigned char > &buffer)
void sendExact(const Storage &)
StorageType::const_iterator begin() const
bool atoaddr(std::string, struct sockaddr_in &addr)
bool datawaiting(int sock) const
size_t recvAndCheck(unsigned char *const buffer, std::size_t len) const
Receive up to len available bytes from Socket::socket_.