Code: Select all
#include "TcpClient.h"
#include <winsock2.h>
#include <windows.h>
#include <ws2tcpip.h>
WSADATA wsaData;
SOCKET SendingSocket = INVALID_SOCKET;
struct addrinfo *result = NULL,
*ptr = NULL,
hints;
char recvbuf[512];
int iResult;
int iResultt;
int recvbuflen = 512;
long RequestHandle = 0x80000000;
TcpClient::TcpClient()
{
// Server/receiver address
}
void TcpClient::Close()
{
closesocket(SendingSocket);
// Do the clean up
WSACleanup();
}
bool TcpClient::Connect(std::string address, int port)
{
// Initialize Winsock
iResult = WSAStartup(MAKEWORD(2,2), &wsaData);
if (iResult != 0) {
printf("WSAStartup failed with error: %d\n", iResult);
return 1;
}
ZeroMemory( &hints, sizeof(hints) );
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
// Resolve the server address and port
iResult = getaddrinfo("localhost", "5002", &hints, &result);
if ( iResult != 0 ) {
printf("getaddrinfo failed with error: %d\n", iResult);
WSACleanup();
return 1;
}
// Attempt to connect to an address until one succeeds
for(ptr=result; ptr != NULL ;ptr=ptr->ai_next) {
// Create a SOCKET for connecting to server
SendingSocket = socket(ptr->ai_family, ptr->ai_socktype,
ptr->ai_protocol);
if (SendingSocket == INVALID_SOCKET) {
printf("socket failed with error: %ld\n", WSAGetLastError());
WSACleanup();
return 1;
}
// Connect to server.
iResult = connect(SendingSocket, ptr->ai_addr, (int)ptr->ai_addrlen);
if (iResult == SOCKET_ERROR) {
closesocket(SendingSocket);
SendingSocket = INVALID_SOCKET;
continue;
}
break;
}
freeaddrinfo(result);
if (SendingSocket == INVALID_SOCKET) {
printf("Unable to connect to server!\n");
WSACleanup();
return 1;
}
}
bool TcpClient::Send(std::string data)
{
//const char* messageData = data.c_str();
//authenticate with dedicated server
const char* messageData = "<?xml version=\"1.0\" encoding=\"utf-8\"?><methodCall><methodName><![CDATA[Authenticate]]></methodName><params><param><value><string><![CDATA[SuperAdmin]]></string></value></param><param><value><string><![CDATA[password]]></string></value></param></params></methodCall>";
//unsigned long dataLength = (strlen(messageData));
//unsigned long messageLength = (dataLength + 8);
//char message[messageLength];
//memcpy(&message[0], &dataLength, 4);
//memcpy(&message[4], &RequestHandle, 4);
//memcpy(&message[8], messageData, dataLength);
std::cout << messageData;
//for(;;)
// Send an initial buffer
iResult = send(SendingSocket, messageData, (int)strlen(messageData), 0 );
std::cout << strlen(messageData);
if (iResult == SOCKET_ERROR) {
printf("send failed with error: %d\n", WSAGetLastError());
closesocket(SendingSocket);
WSACleanup();
return false;
}
printf("Bytes Sent: %ld\n", iResult);
// shutdown the connection since no more data will be sent
/*iResult = shutdown(SendingSocket, SD_SEND);
if (iResult == SOCKET_ERROR) {
printf("shutdown failed with error: %d\n", WSAGetLastError());
closesocket(SendingSocket);
WSACleanup();
return false;
}*/
/*getsockname(SendingSocket, (SOCKADDR *)&ServerAddr, (int *)sizeof(ServerAddr));
printf("Client: Receiver IP(s) used: %s\n", inet_ntoa(ServerAddr.sin_addr));
printf("Client: Receiver port used: %d\n", htons(ServerAddr.sin_port));
while(bytes_to_write > 0)
{
int send_return = send(SendingSocket, message, bytes_to_write, 0);
if(send_return == SOCKET_ERROR)
{
perror("Send failed : ");
return false;
}
std::cout << bytes_to_write << std::endl << send_return;
bytes_to_write -= send_return;
if(bytes_to_write == 0)
break;
memcpy(message, (message + send_return), bytes_to_write);
}*/
//message[7] = 0x80;
return true;
}
std::string TcpClient::Receive(int size = 512)
{
if(SendingSocket == -1)
return NULL;
std::string received;
received.resize(size);
int bytes_received = 0;
while(bytes_received < size)
{
iResultt = recv(SendingSocket, &received[bytes_received], (size - bytes_received),0);
if ( iResultt > 0 )
printf("Bytes received: %d\n", iResultt);
else if ( iResultt == 0 )
printf("Connection closed\n");
else
{
printf("recv failed with error: %d\n", WSAGetLastError());
break;
}
bytes_received += iResultt;
std::cout << received;
}
received[bytes_received] = 0;
return received;
}
bool TcpClient::SearchForCallBacks(int timeout)
{
fd_set readfds;
struct timeval tv;
FD_ZERO(&readfds);
FD_SET(sock, &readfds);
tv.tv_sec = 0;
tv.tv_usec = 2;
int selectResult = select((sock + 1), &readfds, NULL, NULL, &tv);
if(selectResult > 0)
{
return true;
}
return false;
}Matt
