Hi,
I am using simple TCP/IP applications that is include 2 parts:
Server:
#pragma comment(lib, "Ws2_32.lib")
#include <WinSock2.h>
#include <Windows.h>
#include <iostream>
using namespace std;
SOCKADDR_IN addr;
SOCKET sListen;
SOCKET sConnect;
SOCKET* Connections;
int addrlen = sizeof(addr);
int ConCounter = 0;
struct Buffer
{
int ID;
char Message[256];
};
int ServerThread(int ID)
{
Buffer sbuffer;
char* Recv = new char[256];
ZeroMemory(Recv, 256);
char* Send = new char[sizeof(Buffer)];
ZeroMemory(Send, sizeof(Buffer));
for(;; Sleep(10))
{
if(recv(Connections[ID], Recv, 256, NULL))
{
sbuffer.ID = ID;
memcpy(sbuffer.Message, Recv, 256);
memcpy(Send, &sbuffer, sizeof(Buffer));
for(int a = 0; a != ConCounter; a++)
{
if(Connections[a] == Connections[ID])
{
}
else
{
send(Connections[a], Send, sizeof(Buffer), NULL);
}
}
ZeroMemory(Recv, 256);
}
}
return 0;
}
int InitWinSock()
{
int RetVal = 0;
WSAData wsaData;
WORD DllVersion = MAKEWORD(2,1);
RetVal = WSAStartup(DllVersion, &wsaData);
return RetVal;
}
int main()
{
int RetVal = 0;
RetVal = InitWinSock();
if(RetVal != 0)
{
MessageBoxA(NULL, "Winsock startup failed", "Error", MB_OK | MB_ICONERROR);
exit(1);
}
Connections = (SOCKET*)calloc(64, sizeof(SOCKET));
sListen = socket(AF_INET, SOCK_STREAM, NULL);
sConnect = socket(AF_INET, SOCK_STREAM, NULL);
addr.sin_addr.s_addr = inet_addr("66.96.201.81");
addr.sin_port = htons(1234);
addr.sin_family = AF_INET;
bind(sListen, (SOCKADDR*)&addr, sizeof(addr));
listen(sListen, 64);
for(;; Sleep(50))
{
if(sConnect = accept(sListen, (SOCKADDR*)&addr, &addrlen))
{
Connections[ConCounter] = sConnect;
char* ID = new char[64];
ZeroMemory(ID, sizeof(ID));
itoa(ConCounter, ID, 10);
send(Connections[ConCounter], ID, sizeof(ID), NULL);
ConCounter = ConCounter + 1;
CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE) ServerThread, (LPVOID)(ConCounter - 1), NULL, NULL);
}
}
return 0;
}
And Clients:
#pragma comment(lib, "Ws2_32.lib")
#include <WinSock2.h>
#include <Windows.h>
#include <iostream>
using namespace std;
SOCKADDR_IN addr;
SOCKET sConnect;
struct Buffer
{
int ID;
char Message[256];
};
int ClientThread()
{
Buffer sbuffer;
char buffer[sizeof(sbuffer)] = {0};
for(;; Sleep(10))
{
if(recv(sConnect, buffer, sizeof(sbuffer), NULL))
{
memcpy(&sbuffer, buffer, sizeof(sbuffer));
cout << "<Client " << sbuffer.ID << ":> " << sbuffer.Message <<endl;
}
}
return 0;
}
int main()
{
system("cls");
int RetVal = 0;
WSAData wsaData;
WORD DllVersion = MAKEWORD(2,1);
RetVal = WSAStartup(DllVersion, &wsaData);
if(RetVal != 0)
{
MessageBoxA(NULL, "Winsock startup failed", "Error", MB_OK | MB_ICONERROR);
exit(1);
}
sConnect = socket(AF_INET, SOCK_STREAM, NULL);
addr.sin_addr.s_addr = inet_addr("66.96.201.81");
addr.sin_port = htons(1234);
addr.sin_family = AF_INET;
cout << "Connect to Masterserver? [ENTER]" <<endl;
getchar();
RetVal = connect(sConnect, (SOCKADDR*)&addr, sizeof(addr));
if(RetVal != 0)
{
MessageBoxA(NULL, "Could not connect to server", "Error", MB_OK | MB_ICONERROR);
main();
}
else
{
int ID;
char* cID = new char[64];
ZeroMemory(cID, 64);
recv(sConnect, cID, 64, NULL);
ID = atoi(cID);
cout << "Connected" <<endl;
cout << "You are Client No: " << ID <<endl;
CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE) ClientThread, NULL, NULL, NULL);
for(;; Sleep(10))
{
char* buffer = new char[256];
ZeroMemory(buffer, 256);
cin >> buffer;
getchar();
send(sConnect, buffer, 256, NULL);
}
}
return 0;
}
Applications work good. I have only one problem here.
When in client1 for example I write "How are you?" and press enter, in client2 instead it write exactly ""How are you?" and in one line, it parsing that and write in more lines word to word as below:
How
are
you
?
How I can fix this?
Regards,