77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
/*********************************************************************
|
|
* Copyright (c) Intel Corporation 2019 - 2020
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
**********************************************************************/
|
|
#include "lms.h"
|
|
#include <string.h>
|
|
|
|
#ifdef _WIN32
|
|
// Windows
|
|
#include <Ws2tcpip.h>
|
|
#else
|
|
// Linux
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netdb.h>
|
|
#endif
|
|
|
|
SOCKET lms_connect()
|
|
{
|
|
std::string lmsAddress = "localhost";
|
|
std::string lmsPort = "16992";
|
|
SOCKET s = INVALID_SOCKET;
|
|
struct addrinfo *addr, hints;
|
|
|
|
#ifdef _WIN32
|
|
WSADATA wsa;
|
|
if (WSAStartup(MAKEWORD(2, 2), &wsa) != 0)
|
|
{
|
|
throw std::runtime_error("error: unable to connect to LMS");
|
|
}
|
|
#endif
|
|
|
|
memset(&hints, 0, sizeof(hints));
|
|
|
|
hints.ai_family = AF_UNSPEC;
|
|
hints.ai_socktype = SOCK_STREAM;
|
|
hints.ai_protocol = IPPROTO_TCP;
|
|
|
|
if (getaddrinfo(lmsAddress.c_str(), lmsPort.c_str(), &hints, &addr) != 0)
|
|
{
|
|
throw std::runtime_error("error: unable to connect to LMS");
|
|
}
|
|
|
|
if (addr == NULL)
|
|
{
|
|
throw std::runtime_error("error: unable to connect to LMS");
|
|
}
|
|
|
|
for (addr; addr != NULL; addr = addr->ai_next)
|
|
{
|
|
s = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
|
|
if (s == INVALID_SOCKET)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
if (connect(s, addr->ai_addr, (int)addr->ai_addrlen) == 0)
|
|
{
|
|
break;
|
|
}
|
|
|
|
closesocket(s);
|
|
s = INVALID_SOCKET;
|
|
}
|
|
|
|
if (addr != NULL)
|
|
{
|
|
freeaddrinfo(addr);
|
|
}
|
|
|
|
if (s == INVALID_SOCKET)
|
|
{
|
|
throw std::runtime_error("error: unable to connect to LMS");
|
|
}
|
|
|
|
return s;
|
|
} |