145 lines
4.4 KiB
C++
145 lines
4.4 KiB
C++
/***
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Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: AuNetSocketServer.Linux.cpp
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Date: 2022-8-26
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Author: Reece
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***/
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#include "Networking.hpp"
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#include "AuNetSocketServer.hpp"
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#include "AuNetError.hpp"
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#include "AuNetEndpoint.hpp"
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#if !defined(SOCK_CLOEXEC)
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#define SOCK_CLOEXEC 0
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#endif
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namespace Aurora::IO::Net
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{
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SocketServerImpl::SocketServerImpl(NetInterface *pInterface,
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NetWorker *pWorker,
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const AuSPtr<ISocketServerDriver> &pDriver,
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const AuSPtr<ISocketDriverFactory> &pSocketDriverFactory,
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AuUInt32 uMaxConnections,
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AuUInt32 uDefaultInputStreamSize,
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bool bMultiThreaded) :
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SocketServer(pInterface,
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pWorker,
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pDriver,
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pSocketDriverFactory,
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uMaxConnections,
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uDefaultInputStreamSize,
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bMultiThreaded),
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Socket(pInterface,
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pWorker,
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AuSPtr<ISocketDriver>{},
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-1),
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acceptOperation_(pInterface, this),
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pSocketDriverFactory_(pSocketDriverFactory)
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{
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}
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void SocketServerImpl::DoNonblockingReadTick()
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{
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if (!this->acceptOperation_.DoTick())
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{
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SysPushErrorIO("Accept tick failed");
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this->SendFinalize();
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}
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}
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bool SocketServerImpl::InitSocket(const NetEndpoint &localAddress)
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{
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this->pSocketDriver_ = AuDynamicCast<SocketServerImpl>(this->SharedFromThis());
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this->localEndpoint_ = localAddress;
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if (!this->SendPreestablish())
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{
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SysPushErrorIO("Preestablish drop");
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return false;
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}
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bool bMakeCloseExec { !bool(SOCK_CLOEXEC) };
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this->osHandle_ = ::socket(
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IPToDomain(localAddress),
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TransportToPlatformType(localAddress) | SOCK_CLOEXEC,
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0
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);
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if (this->osHandle_ == -1)
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{
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this->osHandle_ = ::socket(
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IPToDomain(localAddress),
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TransportToPlatformType(localAddress),
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0
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);
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bMakeCloseExec = true;
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}
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if (this->osHandle_ == -1)
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{
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NetError error;
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NetError_SetCurrent(error);
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this->SendErrorNoStream(error);
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return false;
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}
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if (bMakeCloseExec)
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{
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this->MakeCloseonexec();
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}
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return this->MakeNonblocking();
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}
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bool SocketServerImpl::ImplBind()
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{
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if (::bind(this->osHandle_,
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(sockaddr *)this->localEndpoint_.hint, this->endpointSize_) != 0)
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{
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NetError error;
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NetError_SetCurrent(error);
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this->SendErrorNoStream(error);
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return false;
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}
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return true;
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}
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bool SocketServerImpl::ImplListen()
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{
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/*
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Picking 512 because....
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"The maximum length of the queue of pending connections. If set to SOMAXCONN, the underlying service provider responsible for socket s
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will set the backlog to a maximum reasonable value. If set to SOMAXCONN_HINT(N) (where N is a number), the backlog value will be N,
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adjusted to be within the range (200, 65535). Note that SOMAXCONN_HINT can be used to set the backlog to a larger value than possible
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with SOMAXCONN." - MSDN
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"the backlog value will be N, adjusted to be within the range (200, 65535)." - MSDN
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"If the backlog argument is greater than the value in /proc/sys/net/core/somaxconn, then it is silently capped to that value.
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Since Linux 5.4, the default in this file is 4096" - da man pages
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We need a sane number between the two. 512 seems reasonable
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*/
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if (::listen(this->osHandle_, 512) != 0)
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{
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NetError error;
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NetError_SetCurrent(error);
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this->SendErrorNoStream(error);
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return false;
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}
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return true;
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}
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bool SocketServerImpl::BeginAcceptLoop()
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{
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return this->acceptOperation_.InitOnce();
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}
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void SocketServerImpl::DetroyServer()
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{
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this->acceptOperation_.Destroy();
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}
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} |