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//
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
//
#include "qpid/sys/PipeHandle.h"
#include "qpid/sys/windows/check.h"
#include <winsock2.h>
namespace qpid {
namespace sys {
PipeHandle::PipeHandle(bool nonBlocking) {
SOCKET listener, pair[2];
struct sockaddr_in addr;
int err;
int addrlen = sizeof(addr);
pair[0] = pair[1] = INVALID_SOCKET;
if ((listener = socket(AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
throw QPID_WINDOWS_ERROR(WSAGetLastError());
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
addr.sin_port = 0;
err = bind(listener, (const struct sockaddr*) &addr, sizeof(addr));
if (err == SOCKET_ERROR) {
err = WSAGetLastError();
closesocket(listener);
throw QPID_WINDOWS_ERROR(err);
}
err = getsockname(listener, (struct sockaddr*) &addr, &addrlen);
if (err == SOCKET_ERROR) {
err = WSAGetLastError();
closesocket(listener);
throw QPID_WINDOWS_ERROR(err);
}
try {
if (listen(listener, 1) == SOCKET_ERROR)
throw QPID_WINDOWS_ERROR(WSAGetLastError());
if ((pair[0] = socket(AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
throw QPID_WINDOWS_ERROR(WSAGetLastError());
if (connect(pair[0], (const struct sockaddr*)&addr, sizeof(addr)) == SOCKET_ERROR)
throw QPID_WINDOWS_ERROR(WSAGetLastError());
if ((pair[1] = accept(listener, NULL, NULL)) == INVALID_SOCKET)
throw QPID_WINDOWS_ERROR(WSAGetLastError());
closesocket(listener);
writeFd = pair[0];
readFd = pair[1];
}
catch (...) {
closesocket(listener);
if (pair[0] != INVALID_SOCKET)
closesocket(pair[0]);
throw;
}
// Set the socket to non-blocking
if (nonBlocking) {
unsigned long nonblock = 1;
ioctlsocket(readFd, FIONBIO, &nonblock);
}
}
PipeHandle::~PipeHandle() {
closesocket(readFd);
closesocket(writeFd);
}
int PipeHandle::read(void* buf, size_t bufSize) {
return ::recv(readFd, (char *)buf, bufSize, 0);
}
int PipeHandle::write(const void* buf, size_t bufSize) {
return ::send(writeFd, (const char *)buf, bufSize, 0);
}
int PipeHandle::getReadHandle() {
return readFd;
}
}} // namespace qpid::sys
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