86 lines
1.8 KiB
C++
86 lines
1.8 KiB
C++
/*********************************************************************
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* Copyright (c) Intel Corporation 2019 - 2020
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* SPDX-License-Identifier: Apache-2.0
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**********************************************************************/
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#include "lms.h"
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#include <string.h>
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#ifdef _WIN32
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// Windows
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#include <Ws2tcpip.h>
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#else
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// Linux
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#endif
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SOCKET lms_connect(bool securePort)
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{
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std::string lmsAddress = "localhost";
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std::string lmsPort;
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SOCKET s = INVALID_SOCKET;
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struct addrinfo *addr, hints;
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if (securePort)
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{
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lmsPort = "16993";
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}
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else
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{
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lmsPort = "16992";
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}
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#ifdef _WIN32
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WSADATA wsa;
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if (WSAStartup(MAKEWORD(2, 2), &wsa) != 0)
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{
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throw std::runtime_error("error: unable to connect to LMS");
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}
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#endif
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memset(&hints, 0, sizeof(hints));
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hints.ai_family = AF_UNSPEC;
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hints.ai_socktype = SOCK_STREAM;
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hints.ai_protocol = IPPROTO_TCP;
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if (getaddrinfo(lmsAddress.c_str(), lmsPort.c_str(), &hints, &addr) != 0)
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{
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throw std::runtime_error("error: unable to connect to LMS");
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}
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if (addr == NULL)
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{
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throw std::runtime_error("error: unable to connect to LMS");
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}
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for (addr; addr != NULL; addr = addr->ai_next)
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{
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s = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
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if (s == INVALID_SOCKET)
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{
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continue;
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}
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if (connect(s, addr->ai_addr, (int)addr->ai_addrlen) == 0)
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{
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break;
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}
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closesocket(s);
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s = INVALID_SOCKET;
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}
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if (addr != NULL)
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{
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freeaddrinfo(addr);
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}
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if (s == INVALID_SOCKET)
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{
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throw std::runtime_error("error: unable to connect to LMS");
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}
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return s;
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} |