125 lines
3.8 KiB
C++
125 lines
3.8 KiB
C++
/*
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* Deskflow -- mouse and keyboard sharing utility
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* SPDX-FileCopyrightText: (C) 2012 - 2016 Symless Ltd.
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* SPDX-FileCopyrightText: (C) 2002 Chris Schoeneman
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* SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
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*/
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#pragma once
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#include "arch/IArchMultithread.h"
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#include "arch/IArchNetwork.h"
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#include <memory>
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#if HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#else
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struct sockaddr_storage
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{
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unsigned char ss_len; /* address length */
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unsigned char ss_family; /* [XSI] address family */
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char __ss_pad1[_SS_PAD1SIZE];
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long long __ss_align; /* force structure storage alignment */
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char __ss_pad2[_SS_PAD2SIZE];
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};
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#endif
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#include <poll.h>
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#define ARCH_NETWORK ArchNetworkBSD
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#define TYPED_ADDR(type_, addr_) (reinterpret_cast<type_ *>(&addr_->m_addr))
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// old systems may use char* for [gs]etsockopt()'s optval argument.
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// this should be void on modern systems but char is forwards
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// compatible so we always use it.
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using optval_t = char;
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class ArchSocketImpl
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{
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public:
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int m_fd;
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int m_refCount;
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};
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class ArchNetAddressImpl
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{
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public:
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ArchNetAddressImpl() : m_len(sizeof(m_addr))
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{
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// do nothing
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}
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public:
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struct sockaddr_storage m_addr;
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socklen_t m_len;
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};
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//! Berkeley (BSD) sockets implementation of IArchNetwork
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class ArchNetworkBSD : public IArchNetwork
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{
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public:
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struct Deps
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{
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virtual ~Deps() = default;
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virtual void sleep(double);
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virtual int poll(struct pollfd *, nfds_t, int);
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virtual std::shared_ptr<struct pollfd[]> makePollFD(nfds_t);
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virtual ssize_t read(int, void *, size_t);
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virtual void testCancelThread();
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};
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explicit ArchNetworkBSD(std::shared_ptr<Deps> deps = std::make_shared<Deps>()) : m_pDeps(deps)
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{
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}
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ArchNetworkBSD(ArchNetworkBSD const &) = delete;
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ArchNetworkBSD(ArchNetworkBSD &&) = delete;
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~ArchNetworkBSD() override;
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ArchNetworkBSD &operator=(ArchNetworkBSD const &) = delete;
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ArchNetworkBSD &operator=(ArchNetworkBSD &&) = delete;
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void init() override;
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// IArchNetwork overrides
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ArchSocket newSocket(EAddressFamily, ESocketType) override;
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ArchSocket copySocket(ArchSocket s) override;
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void closeSocket(ArchSocket s) override;
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void closeSocketForRead(ArchSocket s) override;
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void closeSocketForWrite(ArchSocket s) override;
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void bindSocket(ArchSocket s, ArchNetAddress addr) override;
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void listenOnSocket(ArchSocket s) override;
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ArchSocket acceptSocket(ArchSocket s, ArchNetAddress *addr) override;
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bool connectSocket(ArchSocket s, ArchNetAddress name) override;
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int pollSocket(PollEntry[], int num, double timeout) override;
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void unblockPollSocket(ArchThread thread) override;
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size_t readSocket(ArchSocket s, void *buf, size_t len) override;
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size_t writeSocket(ArchSocket s, const void *buf, size_t len) override;
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void throwErrorOnSocket(ArchSocket) override;
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bool setNoDelayOnSocket(ArchSocket, bool noDelay) override;
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bool setReuseAddrOnSocket(ArchSocket, bool reuse) override;
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std::string getHostName() override;
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ArchNetAddress newAnyAddr(EAddressFamily) override;
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ArchNetAddress copyAddr(ArchNetAddress) override;
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std::vector<ArchNetAddress> nameToAddr(const std::string &) override;
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void closeAddr(ArchNetAddress) override;
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std::string addrToName(ArchNetAddress) override;
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std::string addrToString(ArchNetAddress) override;
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EAddressFamily getAddrFamily(ArchNetAddress) override;
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void setAddrPort(ArchNetAddress, int port) override;
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int getAddrPort(ArchNetAddress) override;
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bool isAnyAddr(ArchNetAddress) override;
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bool isEqualAddr(ArchNetAddress, ArchNetAddress) override;
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private:
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const int *getUnblockPipe();
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const int *getUnblockPipeForThread(ArchThread);
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void setBlockingOnSocket(int fd, bool blocking) const;
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void throwError(int) const;
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void throwNameError(int) const;
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private:
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std::shared_ptr<Deps> m_pDeps;
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ArchMutex m_mutex{};
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};
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