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//
// Copyright © 2020 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "ConnectionHandler.hpp"
#include <string.h>
using namespace armnnUtils;
namespace armnnProfiling
{
ConnectionHandler::ConnectionHandler(const std::string& udsNamespace, const bool setNonBlocking)
{
Sockets::Initialize();
m_ListeningSocket = socket(PF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0);
if (-1 == m_ListeningSocket)
{
throw SocketConnectionException(": Socket construction failed: ", 1, 1);
}
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)))
{
throw SocketConnectionException(": Binding on socket failed: ", m_ListeningSocket, errno);
}
// Listen for connections.
if (-1 == listen(m_ListeningSocket, 1))
{
throw SocketConnectionException(": Listen call on socket failed: ", m_ListeningSocket, errno);
}
if (setNonBlocking)
{
Sockets::SetNonBlocking(m_ListeningSocket);
}
}
std::unique_ptr<BasePipeServer> ConnectionHandler::GetNewBasePipeServer(const bool echoPackets)
{
armnnUtils::Sockets::Socket clientConnection = armnnUtils::Sockets::Accept(m_ListeningSocket, nullptr, nullptr,
SOCK_CLOEXEC);
if (clientConnection < 1)
{
return nullptr;
}
return std::make_unique<BasePipeServer>(clientConnection, echoPackets);
}
} // namespace armnnProfiling
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