Add portability support for QMF agent, thanks to Pete McKinnon - partially fixes QPID-1731

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@771457 13f79535-47bb-0310-9956-ffa450edef68

3 files changed, 180 insertions, 0 deletions

diff --git a/cpp/src/qpid/sys/PipeHandle.h b/cpp/src/qpid/sys/PipeHandle.h
new file mode 100755
index 0000000000..8aac76996b
--- /dev/null
+++ b/cpp/src/qpid/sys/PipeHandle.h
@@ -0,0 +1,51 @@
+#ifndef _sys_PipeHandle_h
+#define _sys_PipeHandle_h
+
+/*
+*
+* 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/IntegerTypes.h"
+#include "qpid/CommonImportExport.h"
+#include <string>
+
+// This class is a portability wrapper around pipe fds. 
+// It currently exists primarily and solely for the purpose of 
+// integration with single-threaded components that require QMF 
+// integration through a signalling fd.
+
+namespace qpid {
+namespace sys {
+
+    class PipeHandle {
+    private:
+        int writeFd; 
+        int readFd;
+    public:
+        QPID_COMMON_EXTERN  PipeHandle(bool nonBlocking=true);
+        QPID_COMMON_EXTERN  ~PipeHandle();
+        QPID_COMMON_EXTERN  int read(void* buf, size_t bufSize);
+        QPID_COMMON_EXTERN  int write(const void* buf, size_t bufSize);
+        QPID_COMMON_EXTERN  int getReadHandle();
+    };
+
+}}
+
+#endif  /*!_sys_PipeHandle_h*/
diff --git a/cpp/src/qpid/sys/posix/PipeHandle.cpp b/cpp/src/qpid/sys/posix/PipeHandle.cpp
new file mode 100755
index 0000000000..10e2cdc755
--- /dev/null
+++ b/cpp/src/qpid/sys/posix/PipeHandle.cpp
@@ -0,0 +1,64 @@
+//
+// 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 "check.h"
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+
+namespace qpid {
+namespace sys {
+
+PipeHandle::PipeHandle(bool nonBlocking) {
+
+    int pair[2];
+    pair[0] = pair[1] = -1;
+        
+    if (socketpair(PF_UNIX, SOCK_STREAM, 0, pair) == -1)
+        throw qpid::Exception(QPID_MSG("Creation of pipe failed"));
+
+    writeFd = pair[0];
+    readFd = pair[1];
+
+    // Set the socket to non-blocking
+    if (nonBlocking) {
+        int flags = fcntl(readFd, F_GETFL);
+        fcntl(readFd, F_SETFL, flags | O_NONBLOCK);
+    }
+}
+
+PipeHandle::~PipeHandle() {
+    close(readFd);
+    close(writeFd);
+}
+
+int PipeHandle::read(void* buf, size_t bufSize) {
+    return ::read(readFd,buf,bufSize);
+}
+
+int PipeHandle::write(const void* buf, size_t bufSize) {
+    return ::write(writeFd,buf,bufSize);
+}
+
+int PipeHandle::getReadHandle() {
+    return readFd;
+}
+
+}} // namespace qpid::sys
diff --git a/cpp/src/qpid/sys/windows/PipeHandle.cpp b/cpp/src/qpid/sys/windows/PipeHandle.cpp
new file mode 100755
index 0000000000..b023d77cc0
--- /dev/null
+++ b/cpp/src/qpid/sys/windows/PipeHandle.cpp
@@ -0,0 +1,65 @@
+//
+// 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 "check.h"
+#include <io.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <winsock2.h>
+
+namespace qpid {
+namespace sys {
+
+PipeHandle::PipeHandle(bool nonBlocking) {
+
+    int pair[2];
+    pair[0] = pair[1] = -1;
+
+    if (_pipe(pair, 128, O_BINARY) == -1)
+        throw qpid::Exception(QPID_MSG("Creation of pipe failed"));
+
+    writeFd = pair[0];
+    readFd = pair[1]; 
+
+    // Set the socket to non-blocking
+    if (nonBlocking) {
+        unsigned long nonblock = 1;
+        ioctlsocket(readFd, FIONBIO, &nonblock);
+    }
+}
+
+PipeHandle::~PipeHandle() {
+    close(readFd);
+    close(writeFd);
+}
+
+int PipeHandle::read(void* buf, size_t bufSize) {
+    return ::read(readFd, buf, bufSize);
+}
+
+int PipeHandle::write(const void* buf, size_t bufSize) {
+    return ::write(writeFd, buf, bufSize);
+}
+
+int PipeHandle::getReadHandle() {
+    return readFd;
+}
+
+}} // namespace qpid::sys