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// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "platform/globals.h"
#if defined(DART_HOST_OS_WINDOWS)
#include "bin/socket_base.h"
#include "bin/sync_socket.h"
namespace dart {
namespace bin {
bool SynchronousSocket::Initialize() {
return SocketBase::Initialize();
}
static intptr_t Create(const RawAddr& addr) {
const intptr_t type = SOCK_STREAM;
SOCKET s = WSASocket(addr.ss.ss_family, type, 0, nullptr, 0, 0);
return (s == INVALID_SOCKET) ? -1 : s;
}
static intptr_t Connect(intptr_t fd, const RawAddr& addr) {
SOCKET socket = static_cast<SOCKET>(fd);
intptr_t result =
connect(socket, &addr.addr, SocketAddress::GetAddrLength(addr));
return (result == SOCKET_ERROR) ? -1 : socket;
}
intptr_t SynchronousSocket::CreateConnect(const RawAddr& addr) {
intptr_t fd = Create(addr);
return (fd < 0) ? fd : Connect(fd, addr);
}
intptr_t SynchronousSocket::Available(intptr_t fd) {
SOCKET socket = static_cast<SOCKET>(fd);
DWORD available;
intptr_t result = ioctlsocket(socket, FIONREAD, &available);
return (result == SOCKET_ERROR) ? -1 : static_cast<intptr_t>(available);
}
intptr_t SynchronousSocket::GetPort(intptr_t fd) {
SOCKET socket = static_cast<SOCKET>(fd);
RawAddr raw;
socklen_t size = sizeof(raw);
if (getsockname(socket, &raw.addr, &size) == SOCKET_ERROR) {
return 0;
}
return SocketAddress::GetAddrPort(raw);
}
SocketAddress* SynchronousSocket::GetRemotePeer(intptr_t fd, intptr_t* port) {
SOCKET socket = static_cast<SOCKET>(fd);
RawAddr raw;
socklen_t size = sizeof(raw);
if (getpeername(socket, &raw.addr, &size)) {
return nullptr;
}
*port = SocketAddress::GetAddrPort(raw);
// Clear the port before calling WSAAddressToString as WSAAddressToString
// includes the port in the formatted string.
SocketAddress::SetAddrPort(&raw, 0);
return new SocketAddress(&raw.addr);
}
intptr_t SynchronousSocket::Read(intptr_t fd,
void* buffer,
intptr_t num_bytes) {
SOCKET socket = static_cast<SOCKET>(fd);
return recv(socket, reinterpret_cast<char*>(buffer), num_bytes, 0);
}
intptr_t SynchronousSocket::Write(intptr_t fd,
const void* buffer,
intptr_t num_bytes) {
SOCKET socket = static_cast<SOCKET>(fd);
return send(socket, reinterpret_cast<const char*>(buffer), num_bytes, 0);
}
void SynchronousSocket::ShutdownRead(intptr_t fd) {
SOCKET socket = static_cast<SOCKET>(fd);
shutdown(socket, SD_RECEIVE);
}
void SynchronousSocket::ShutdownWrite(intptr_t fd) {
SOCKET socket = static_cast<SOCKET>(fd);
shutdown(socket, SD_SEND);
}
void SynchronousSocket::Close(intptr_t fd) {
SOCKET socket = static_cast<SOCKET>(fd);
closesocket(socket);
}
} // namespace bin
} // namespace dart
#endif // defined(DART_HOST_OS_WINDOWS)