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#define _WINSOCKAPI_ // don't include winsock 1.x
#include <windows.h>
#include <winioctl.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <iostream>
void implementation(int argc, char **argv, bool console)
{
int port = 12001;
bool tcp = false;
const char *target = "127.0.0.1";
if (argc >= 2 && !strcmp("-T", argv[1])) {
tcp = true;
argc -= 1;
argv += 1;
}
if (argc >= 3 && !strcmp("-H", argv[1])) {
target = argv[2];
argc -= 2;
argv += 2;
}
if (argc >= 3 && !strcmp("-P", argv[1])) {
port = atoi(argv[2]);
argc -= 2;
argv += 2;
}
WSADATA wsaData;
int err = WSAStartup(MAKEWORD(2, 2), &wsaData);
if (err)
throw (DWORD) err;
char portbuf[10];
sprintf(portbuf, "%i", port);
ADDRINFO hints;
memset(&hints, 0, sizeof hints);
hints.ai_socktype = SOCK_DGRAM;
hints.ai_family = PF_INET;
ADDRINFO *res;
err = getaddrinfo(target, portbuf, &hints, &res);
if (err || !res)
throw (DWORD) err;
SOCKET sock;
SOCKADDR_IN to = *(SOCKADDR_IN*)res->ai_addr;
sock = socket(AF_INET, tcp ? SOCK_STREAM : SOCK_DGRAM, tcp ? IPPROTO_TCP : IPPROTO_UDP);
if (sock == INVALID_SOCKET)
throw (DWORD) WSAGetLastError();
SOCKADDR_IN self;
ZeroMemory(&self, sizeof self);
self.sin_family = AF_INET;
if (bind(sock, (const SOCKADDR *) &self, sizeof self))
throw (DWORD) WSAGetLastError();
if (connect(sock, (const SOCKADDR *) &to, sizeof to))
throw (DWORD) WSAGetLastError();
if (console && (argc == 1 || argc == 3 && !strcmp("-p", argv[1]))) {
std::string prefix;
if (argc == 3)
prefix = argv[2];
std::string line;
while (std::getline(std::cin, line)) {
std::string data = prefix + line;
send(sock, data.data(), data.size(), 0);
}
} else {
std::string message = argv[1];
for (int i=2; i<argc; ++i) {
message += ' ';
message += argv[i];
}
send(sock, message.data(), message.size(), 0);
}
shutdown(sock, SD_BOTH);
closesocket(sock);
WSACleanup();
}
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