net/SocketDescriptor: add "noexcept"
This commit is contained in:
Max Kellermann
parent
185148f57c
commit
e092eadd8d
@ -66,7 +66,7 @@ SocketDescriptor::IsStream() const noexcept
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#ifdef _WIN32
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void
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SocketDescriptor::Close()
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SocketDescriptor::Close() noexcept
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{
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if (IsDefined())
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::closesocket(Steal());
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@ -75,7 +75,7 @@ SocketDescriptor::Close()
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#endif
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SocketDescriptor
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SocketDescriptor::Accept()
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SocketDescriptor::Accept() noexcept
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{
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#ifdef __linux__
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int connection_fd = ::accept4(Get(), nullptr, nullptr, SOCK_CLOEXEC);
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@ -88,7 +88,7 @@ SocketDescriptor::Accept()
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}
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SocketDescriptor
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SocketDescriptor::AcceptNonBlock() const
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SocketDescriptor::AcceptNonBlock() const noexcept
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{
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#ifdef __linux__
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int connection_fd = ::accept4(Get(), nullptr, nullptr,
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@ -102,7 +102,7 @@ SocketDescriptor::AcceptNonBlock() const
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}
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SocketDescriptor
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SocketDescriptor::AcceptNonBlock(StaticSocketAddress &address) const
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SocketDescriptor::AcceptNonBlock(StaticSocketAddress &address) const noexcept
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{
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address.SetMaxSize();
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#ifdef __linux__
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@ -117,7 +117,7 @@ SocketDescriptor::AcceptNonBlock(StaticSocketAddress &address) const
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}
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bool
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SocketDescriptor::Connect(SocketAddress address)
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SocketDescriptor::Connect(SocketAddress address) noexcept
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{
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assert(address.IsDefined());
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@ -125,7 +125,7 @@ SocketDescriptor::Connect(SocketAddress address)
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}
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bool
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SocketDescriptor::Create(int domain, int type, int protocol)
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SocketDescriptor::Create(int domain, int type, int protocol) noexcept
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{
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#ifdef _WIN32
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static bool initialised = false;
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@ -150,7 +150,7 @@ SocketDescriptor::Create(int domain, int type, int protocol)
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}
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bool
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SocketDescriptor::CreateNonBlock(int domain, int type, int protocol)
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SocketDescriptor::CreateNonBlock(int domain, int type, int protocol) noexcept
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{
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#ifdef SOCK_NONBLOCK
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type |= SOCK_NONBLOCK;
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@ -170,7 +170,8 @@ SocketDescriptor::CreateNonBlock(int domain, int type, int protocol)
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bool
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SocketDescriptor::CreateSocketPair(int domain, int type, int protocol,
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SocketDescriptor &a, SocketDescriptor &b)
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SocketDescriptor &a,
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SocketDescriptor &b) noexcept
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{
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#ifdef SOCK_CLOEXEC
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/* implemented since Linux 2.6.27 */
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@ -188,7 +189,8 @@ SocketDescriptor::CreateSocketPair(int domain, int type, int protocol,
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bool
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SocketDescriptor::CreateSocketPairNonBlock(int domain, int type, int protocol,
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SocketDescriptor &a, SocketDescriptor &b)
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SocketDescriptor &a,
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SocketDescriptor &b) noexcept
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{
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#ifdef SOCK_CLOEXEC
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/* implemented since Linux 2.6.27 */
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@ -208,7 +210,7 @@ SocketDescriptor::CreateSocketPairNonBlock(int domain, int type, int protocol,
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#endif
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int
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SocketDescriptor::GetError()
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SocketDescriptor::GetError() noexcept
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{
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assert(IsDefined());
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@ -222,7 +224,7 @@ SocketDescriptor::GetError()
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size_t
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SocketDescriptor::GetOption(int level, int name,
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void *value, size_t size) const
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void *value, size_t size) const noexcept
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{
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assert(IsDefined());
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@ -259,7 +261,7 @@ SocketDescriptor::SetNonBlocking() noexcept
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bool
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SocketDescriptor::SetOption(int level, int name,
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const void *value, size_t size)
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const void *value, size_t size) noexcept
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{
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assert(IsDefined());
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@ -268,13 +270,13 @@ SocketDescriptor::SetOption(int level, int name,
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}
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bool
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SocketDescriptor::SetKeepAlive(bool value)
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SocketDescriptor::SetKeepAlive(bool value) noexcept
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{
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return SetBoolOption(SOL_SOCKET, SO_KEEPALIVE, value);
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}
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bool
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SocketDescriptor::SetReuseAddress(bool value)
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SocketDescriptor::SetReuseAddress(bool value) noexcept
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{
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return SetBoolOption(SOL_SOCKET, SO_REUSEADDR, value);
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}
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@ -284,7 +286,7 @@ SocketDescriptor::SetReuseAddress(bool value)
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#ifdef SO_REUSEPORT
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bool
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SocketDescriptor::SetReusePort(bool value)
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SocketDescriptor::SetReusePort(bool value) noexcept
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{
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return SetBoolOption(SOL_SOCKET, SO_REUSEPORT, value);
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}
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@ -292,37 +294,37 @@ SocketDescriptor::SetReusePort(bool value)
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#endif
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bool
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SocketDescriptor::SetFreeBind(bool value)
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SocketDescriptor::SetFreeBind(bool value) noexcept
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{
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return SetBoolOption(IPPROTO_IP, IP_FREEBIND, value);
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}
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bool
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SocketDescriptor::SetNoDelay(bool value)
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SocketDescriptor::SetNoDelay(bool value) noexcept
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{
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return SetBoolOption(IPPROTO_TCP, TCP_NODELAY, value);
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}
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bool
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SocketDescriptor::SetCork(bool value)
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SocketDescriptor::SetCork(bool value) noexcept
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{
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return SetBoolOption(IPPROTO_TCP, TCP_CORK, value);
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}
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bool
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SocketDescriptor::SetTcpDeferAccept(const int &seconds)
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SocketDescriptor::SetTcpDeferAccept(const int &seconds) noexcept
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{
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return SetOption(IPPROTO_TCP, TCP_DEFER_ACCEPT, &seconds, sizeof(seconds));
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}
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bool
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SocketDescriptor::SetV6Only(bool value)
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SocketDescriptor::SetV6Only(bool value) noexcept
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{
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return SetBoolOption(IPPROTO_IPV6, IPV6_V6ONLY, value);
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}
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bool
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SocketDescriptor::SetBindToDevice(const char *name)
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SocketDescriptor::SetBindToDevice(const char *name) noexcept
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{
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return SetOption(SOL_SOCKET, SO_BINDTODEVICE, name, strlen(name));
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}
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@ -330,7 +332,7 @@ SocketDescriptor::SetBindToDevice(const char *name)
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#ifdef TCP_FASTOPEN
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bool
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SocketDescriptor::SetTcpFastOpen(int qlen)
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SocketDescriptor::SetTcpFastOpen(int qlen) noexcept
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{
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return SetOption(SOL_TCP, TCP_FASTOPEN, &qlen, sizeof(qlen));
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}
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@ -340,7 +342,7 @@ SocketDescriptor::SetTcpFastOpen(int qlen)
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#endif
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bool
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SocketDescriptor::Bind(SocketAddress address)
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SocketDescriptor::Bind(SocketAddress address) noexcept
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{
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return bind(Get(), address.GetAddress(), address.GetSize()) == 0;
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}
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@ -348,7 +350,7 @@ SocketDescriptor::Bind(SocketAddress address)
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#ifdef __linux__
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bool
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SocketDescriptor::AutoBind()
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SocketDescriptor::AutoBind() noexcept
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{
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static constexpr sa_family_t family = AF_LOCAL;
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return Bind(SocketAddress((const struct sockaddr *)&family,
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@ -358,13 +360,13 @@ SocketDescriptor::AutoBind()
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#endif
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bool
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SocketDescriptor::Listen(int backlog)
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SocketDescriptor::Listen(int backlog) noexcept
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{
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return listen(Get(), backlog) == 0;
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}
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StaticSocketAddress
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SocketDescriptor::GetLocalAddress() const
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SocketDescriptor::GetLocalAddress() const noexcept
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{
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assert(IsDefined());
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@ -377,7 +379,7 @@ SocketDescriptor::GetLocalAddress() const
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}
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StaticSocketAddress
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SocketDescriptor::GetPeerAddress() const
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SocketDescriptor::GetPeerAddress() const noexcept
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{
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assert(IsDefined());
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@ -390,7 +392,7 @@ SocketDescriptor::GetPeerAddress() const
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}
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ssize_t
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SocketDescriptor::Read(void *buffer, size_t length)
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SocketDescriptor::Read(void *buffer, size_t length) noexcept
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{
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int flags = 0;
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#ifndef _WIN32
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@ -401,7 +403,7 @@ SocketDescriptor::Read(void *buffer, size_t length)
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}
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ssize_t
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SocketDescriptor::Write(const void *buffer, size_t length)
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SocketDescriptor::Write(const void *buffer, size_t length) noexcept
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{
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int flags = 0;
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#ifdef __linux__
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@ -414,7 +416,7 @@ SocketDescriptor::Write(const void *buffer, size_t length)
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#ifdef _WIN32
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int
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SocketDescriptor::WaitReadable(int timeout_ms) const
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SocketDescriptor::WaitReadable(int timeout_ms) const noexcept
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{
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assert(IsDefined());
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@ -433,7 +435,7 @@ SocketDescriptor::WaitReadable(int timeout_ms) const
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}
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int
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SocketDescriptor::WaitWritable(int timeout_ms) const
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SocketDescriptor::WaitWritable(int timeout_ms) const noexcept
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{
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assert(IsDefined());
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@ -455,7 +457,7 @@ SocketDescriptor::WaitWritable(int timeout_ms) const
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ssize_t
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SocketDescriptor::Read(void *buffer, size_t length,
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StaticSocketAddress &address)
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StaticSocketAddress &address) noexcept
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{
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int flags = 0;
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#ifndef _WIN32
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@ -473,7 +475,7 @@ SocketDescriptor::Read(void *buffer, size_t length,
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ssize_t
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SocketDescriptor::Write(const void *buffer, size_t length,
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SocketAddress address)
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SocketAddress address) noexcept
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{
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int flags = 0;
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#ifndef _WIN32
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@ -42,16 +42,16 @@ class StaticSocketAddress;
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*/
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class SocketDescriptor : protected FileDescriptor {
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protected:
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explicit constexpr SocketDescriptor(FileDescriptor _fd)
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explicit constexpr SocketDescriptor(FileDescriptor _fd) noexcept
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:FileDescriptor(_fd) {}
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public:
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SocketDescriptor() = default;
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explicit constexpr SocketDescriptor(int _fd)
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explicit constexpr SocketDescriptor(int _fd) noexcept
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:FileDescriptor(_fd) {}
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constexpr bool operator==(SocketDescriptor other) const {
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constexpr bool operator==(SocketDescriptor other) const noexcept {
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return fd == other.fd;
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}
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@ -62,7 +62,7 @@ public:
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* same as file descriptors (i.e. not on Windows). Use this only
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* when you know what you're doing.
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*/
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static constexpr SocketDescriptor FromFileDescriptor(FileDescriptor fd) {
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static constexpr SocketDescriptor FromFileDescriptor(FileDescriptor fd) noexcept {
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return SocketDescriptor(fd);
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}
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@ -72,7 +72,7 @@ public:
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* same as file descriptors (i.e. not on Windows). Use this only
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* when you know what you're doing.
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*/
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constexpr const FileDescriptor &ToFileDescriptor() const {
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constexpr const FileDescriptor &ToFileDescriptor() const noexcept {
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return *this;
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}
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#endif
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@ -101,7 +101,7 @@ public:
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using FileDescriptor::Steal;
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using FileDescriptor::SetUndefined;
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static constexpr SocketDescriptor Undefined() {
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static constexpr SocketDescriptor Undefined() noexcept {
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return SocketDescriptor(FileDescriptor::Undefined());
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}
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@ -122,7 +122,7 @@ public:
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* careful when dealing with a FileDescriptor reference that is
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* really a SocketDescriptor.
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*/
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void Close();
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void Close() noexcept;
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#endif
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/**
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@ -134,26 +134,29 @@ public:
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* @return True on success, False on failure
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* See man 2 socket for detailed information
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*/
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bool Create(int domain, int type, int protocol);
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bool Create(int domain, int type, int protocol) noexcept;
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/**
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* Like Create(), but enable non-blocking mode.
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*/
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bool CreateNonBlock(int domain, int type, int protocol);
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bool CreateNonBlock(int domain, int type, int protocol) noexcept;
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#ifndef _WIN32
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static bool CreateSocketPair(int domain, int type, int protocol,
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SocketDescriptor &a, SocketDescriptor &b);
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SocketDescriptor &a,
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SocketDescriptor &b) noexcept;
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static bool CreateSocketPairNonBlock(int domain, int type, int protocol,
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SocketDescriptor &a, SocketDescriptor &b);
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SocketDescriptor &a,
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SocketDescriptor &b) noexcept;
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#endif
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int GetError();
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int GetError() noexcept;
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/**
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* @return the value size or 0 on error
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*/
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size_t GetOption(int level, int name, void *value, size_t size) const;
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size_t GetOption(int level, int name,
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void *value, size_t size) const noexcept;
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#ifdef HAVE_STRUCT_UCRED
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/**
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@ -164,62 +167,63 @@ public:
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struct ucred GetPeerCredentials() const noexcept;
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#endif
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bool SetOption(int level, int name, const void *value, size_t size);
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bool SetOption(int level, int name,
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const void *value, size_t size) noexcept;
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bool SetBoolOption(int level, int name, bool _value) {
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bool SetBoolOption(int level, int name, bool _value) noexcept {
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const int value = _value;
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return SetOption(level, name, &value, sizeof(value));
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}
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bool SetKeepAlive(bool value=true);
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bool SetReuseAddress(bool value=true);
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bool SetKeepAlive(bool value=true) noexcept;
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bool SetReuseAddress(bool value=true) noexcept;
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#ifdef __linux__
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bool SetReusePort(bool value=true);
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bool SetFreeBind(bool value=true);
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bool SetNoDelay(bool value=true);
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bool SetCork(bool value=true);
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bool SetReusePort(bool value=true) noexcept;
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bool SetFreeBind(bool value=true) noexcept;
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bool SetNoDelay(bool value=true) noexcept;
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bool SetCork(bool value=true) noexcept;
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bool SetTcpDeferAccept(const int &seconds);
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bool SetV6Only(bool value);
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bool SetTcpDeferAccept(const int &seconds) noexcept;
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bool SetV6Only(bool value) noexcept;
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/**
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* Setter for SO_BINDTODEVICE.
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*/
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bool SetBindToDevice(const char *name);
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bool SetBindToDevice(const char *name) noexcept;
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bool SetTcpFastOpen(int qlen=16);
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bool SetTcpFastOpen(int qlen=16) noexcept;
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#endif
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bool Bind(SocketAddress address);
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bool Bind(SocketAddress address) noexcept;
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#ifdef __linux__
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/**
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* Binds the socket to a unique abstract address.
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*/
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bool AutoBind();
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bool AutoBind() noexcept;
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#endif
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bool Listen(int backlog);
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bool Listen(int backlog) noexcept;
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SocketDescriptor Accept();
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SocketDescriptor AcceptNonBlock() const;
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SocketDescriptor AcceptNonBlock(StaticSocketAddress &address) const;
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SocketDescriptor Accept() noexcept;
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SocketDescriptor AcceptNonBlock() const noexcept;
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SocketDescriptor AcceptNonBlock(StaticSocketAddress &address) const noexcept;
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bool Connect(SocketAddress address);
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bool Connect(SocketAddress address) noexcept;
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gcc_pure
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StaticSocketAddress GetLocalAddress() const;
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StaticSocketAddress GetLocalAddress() const noexcept;
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gcc_pure
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StaticSocketAddress GetPeerAddress() const;
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StaticSocketAddress GetPeerAddress() const noexcept;
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ssize_t Read(void *buffer, size_t length);
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ssize_t Write(const void *buffer, size_t length);
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ssize_t Read(void *buffer, size_t length) noexcept;
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ssize_t Write(const void *buffer, size_t length) noexcept;
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#ifdef _WIN32
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int WaitReadable(int timeout_ms) const;
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int WaitWritable(int timeout_ms) const;
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int WaitReadable(int timeout_ms) const noexcept;
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int WaitWritable(int timeout_ms) const noexcept;
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#else
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using FileDescriptor::WaitReadable;
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using FileDescriptor::WaitWritable;
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@ -230,13 +234,13 @@ public:
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* Receive a datagram and return the source address.
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*/
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ssize_t Read(void *buffer, size_t length,
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StaticSocketAddress &address);
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StaticSocketAddress &address) noexcept;
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/**
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* Send a datagram to the specified address.
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*/
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ssize_t Write(const void *buffer, size_t length,
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SocketAddress address);
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SocketAddress address) noexcept;
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};
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static_assert(std::is_trivial<SocketDescriptor>::value, "type is not trivial");
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