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//
// Copyright © 2019 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "GatordMockService.hpp"
#include <cerrno>
#include <fcntl.h>
#include <iostream>
#include <string>
#include <sys/socket.h>
#include <sys/un.h>
namespace armnn
{
namespace gatordmock
{
bool GatordMockService::OpenListeningSocket(std::string udsNamespace)
{
m_ListeningSocket = socket(PF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
if (-1 == m_ListeningSocket)
{
std::cerr << ": Socket construction failed: " << strerror(errno) << std::endl;
return false;
}
sockaddr_un udsAddress;
memset(&udsAddress, 0, sizeof(sockaddr_un));
// We've set the first element of sun_path to be 0, skip over it and copy the namespace after it.
memcpy(udsAddress.sun_path + 1, udsNamespace.c_str(), strlen(udsNamespace.c_str()));
udsAddress.sun_family = AF_UNIX;
// Bind the socket to the UDS namespace.
if (-1 == bind(m_ListeningSocket, reinterpret_cast<const sockaddr *>(&udsAddress), sizeof(sockaddr_un)))
{
std::cerr << ": Binding on socket failed: " << strerror(errno) << std::endl;
return false;
}
// Listen for 1 connection.
if (-1 == listen(m_ListeningSocket, 1))
{
std::cerr << ": Listen call on socket failed: " << strerror(errno) << std::endl;
return false;
}
std::cout << "Bound to UDS namespace: \\0" << udsNamespace << std::endl;
return true;
}
int GatordMockService::BlockForOneClient()
{
std::cout << "Waiting for client connection." << std::endl;
int accepted = accept4(m_ListeningSocket, nullptr, nullptr, SOCK_CLOEXEC);
if (-1 == accepted)
{
std::cerr << ": Failure when waiting for a client connection: " << strerror(errno) << std::endl;
return -1;
}
std::cout << "Client connection established." << std::endl;
return accepted;
}
} // namespace gatordmock
} // namespace armnn
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