+++ /dev/null
-/******************************************************************************
- * Icinga 2 *
- * Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
- * *
- * This program is free software; you can redistribute it and/or *
- * modify it under the terms of the GNU General Public License *
- * as published by the Free Software Foundation; either version 2 *
- * of the License, or (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the Free Software Foundation *
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
- ******************************************************************************/
-
-#include "base/bufferedstream.h"
-#include "base/objectlock.h"
-#include "base/utility.h"
-#include "base/logger_fwd.h"
-#include <sstream>
-
-using namespace icinga;
-
-BufferedStream::BufferedStream(const Stream::Ptr& innerStream, size_t maxBufferSize)
- : m_InnerStream(innerStream), m_Stopped(false), m_Eof(false),
- m_RecvQ(make_shared<FIFO>()), m_SendQ(make_shared<FIFO>()),
- m_Blocking(true), m_MaxBufferSize(maxBufferSize), m_Exception()
-{
- m_ReadThread = boost::thread(boost::bind(&BufferedStream::ReadThreadProc, this));
- m_WriteThread = boost::thread(boost::bind(&BufferedStream::WriteThreadProc, this));
-}
-
-BufferedStream::~BufferedStream(void)
-{
- {
- boost::mutex::scoped_lock lock(m_Mutex);
-
- m_Stopped = true;
- }
-
- m_InnerStream->Close();
-
- {
- boost::mutex::scoped_lock lock(m_Mutex);
-
- m_ReadCV.notify_all();
- m_WriteCV.notify_all();
- }
-
- m_ReadThread.join();
- m_WriteThread.join();
-}
-
-void BufferedStream::ReadThreadProc(void)
-{
- char buffer[512];
-
- Utility::SetThreadName("BufS Read");
-
- try {
- for (;;) {
- size_t rc = m_InnerStream->Read(buffer, sizeof(buffer));
-
- if (rc == 0) {
- boost::mutex::scoped_lock lock(m_Mutex);
- m_Eof = true;
- m_Stopped = true;
- m_ReadCV.notify_all();
- m_WriteCV.notify_all();
-
- break;
- }
-
- boost::mutex::scoped_lock lock(m_Mutex);
- m_RecvQ->Write(buffer, rc);
- m_ReadCV.notify_all();
-
- if (m_Stopped)
- break;
- }
- } catch (const std::exception& ex) {
- {
- boost::mutex::scoped_lock lock(m_Mutex);
-
- if (!m_Exception)
- m_Exception = boost::current_exception();
-
- m_ReadCV.notify_all();
- }
- }
-}
-
-void BufferedStream::WriteThreadProc(void)
-{
- char buffer[512];
-
- Utility::SetThreadName("BufS Write");
-
- try {
- for (;;) {
- size_t rc;
-
- {
- boost::mutex::scoped_lock lock(m_Mutex);
-
- while (m_SendQ->GetAvailableBytes() == 0 && !m_Stopped)
- m_WriteCV.wait(lock);
-
- if (m_Stopped)
- break;
-
- rc = m_SendQ->Read(buffer, sizeof(buffer));
- m_WriteCV.notify_all();
- }
-
- m_InnerStream->Write(buffer, rc);
- }
- } catch (const std::exception& ex) {
- {
- boost::mutex::scoped_lock lock(m_Mutex);
-
- if (!m_Exception)
- m_Exception = boost::current_exception();
-
- m_WriteCV.notify_all();
- }
- }
-}
-
-void BufferedStream::Close(void)
-{
- m_InnerStream->Close();
-}
-
-/**
- * Reads data from the stream.
- *
- * @param buffer The buffer where data should be stored. May be NULL if you're
- * not actually interested in the data.
- * @param count The number of bytes to read from the queue.
- * @returns The number of bytes actually read.
- */
-size_t BufferedStream::Read(void *buffer, size_t count)
-{
- boost::mutex::scoped_lock lock(m_Mutex);
-
- if (m_Blocking)
- InternalWaitReadable(count, lock);
-
- if (m_Exception)
- boost::rethrow_exception(m_Exception);
-
- if (m_Eof)
- BOOST_THROW_EXCEPTION(std::invalid_argument("Tried to read from closed socket."));
-
- return m_RecvQ->Read(buffer, count);
-}
-
-/**
- * Writes data to the stream.
- *
- * @param buffer The data that is to be written.
- * @param count The number of bytes to write.
- */
-void BufferedStream::Write(const void *buffer, size_t count)
-{
- boost::mutex::scoped_lock lock(m_Mutex);
-
- InternalWaitWritable(count, lock);
-
- if (m_Exception)
- boost::rethrow_exception(m_Exception);
-
- if (m_Eof)
- BOOST_THROW_EXCEPTION(std::invalid_argument("Tried to write to closed socket."));
-
- m_SendQ->Write(buffer, count);
- m_WriteCV.notify_all();
-}
-
-void BufferedStream::WaitReadable(size_t count)
-{
- boost::mutex::scoped_lock lock(m_Mutex);
-
- InternalWaitReadable(count, lock);
-}
-
-void BufferedStream::InternalWaitReadable(size_t count, boost::mutex::scoped_lock& lock)
-{
- while (m_RecvQ->GetAvailableBytes() < count && !m_Exception && !m_Stopped)
- m_ReadCV.wait(lock);
-}
-
-void BufferedStream::WaitWritable(size_t count)
-{
- boost::mutex::scoped_lock lock(m_Mutex);
-
- InternalWaitWritable(count, lock);
-}
-
-void BufferedStream::InternalWaitWritable(size_t count, boost::mutex::scoped_lock& lock)
-{
- while (m_SendQ->GetAvailableBytes() + count > m_MaxBufferSize && !m_Exception && !m_Stopped)
- m_WriteCV.wait(lock);
-}
-
-void BufferedStream::MakeNonBlocking(void)
-{
- boost::mutex::scoped_lock lock(m_Mutex);
-
- m_Blocking = false;
-}
-
-bool BufferedStream::IsEof(void) const
-{
- boost::mutex::scoped_lock lock(m_Mutex);
-
- return m_InnerStream->IsEof() && m_RecvQ->GetAvailableBytes() == 0;
-}
+++ /dev/null
-/******************************************************************************
- * Icinga 2 *
- * Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
- * *
- * This program is free software; you can redistribute it and/or *
- * modify it under the terms of the GNU General Public License *
- * as published by the Free Software Foundation; either version 2 *
- * of the License, or (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the Free Software Foundation *
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
- ******************************************************************************/
-
-#ifndef BUFFEREDSTREAM_H
-#define BUFFEREDSTREAM_H
-
-#include "base/i2-base.h"
-#include "base/stream.h"
-#include "base/fifo.h"
-
-namespace icinga
-{
-
-/**
- * A buffered stream.
- *
- * @ingroup base
- */
-class I2_BASE_API BufferedStream : public Stream
-{
-public:
- DECLARE_PTR_TYPEDEFS(BufferedStream);
-
- BufferedStream(const Stream::Ptr& innerStream, size_t maxBufferSize = 64 * 1024 * 1024);
- ~BufferedStream(void);
-
- virtual size_t Read(void *buffer, size_t count);
- virtual void Write(const void *buffer, size_t count);
-
- virtual void Close(void);
-
- virtual bool IsEof(void) const;
-
- void WaitReadable(size_t count);
- void WaitWritable(size_t count);
-
- void MakeNonBlocking(void);
-
-private:
- Stream::Ptr m_InnerStream;
-
- bool m_Stopped;
- bool m_Eof;
-
- FIFO::Ptr m_RecvQ;
- FIFO::Ptr m_SendQ;
-
- bool m_Blocking;
- size_t m_MaxBufferSize;
-
- boost::exception_ptr m_Exception;
-
- mutable boost::mutex m_Mutex;
- boost::condition_variable m_ReadCV;
- boost::condition_variable m_WriteCV;
-
- void ReadThreadProc(void);
- void WriteThreadProc(void);
-
- boost::thread m_ReadThread;
- boost::thread m_WriteThread;
-
- void InternalWaitWritable(size_t count, boost::mutex::scoped_lock& lock);
- void InternalWaitReadable(size_t count, boost::mutex::scoped_lock& lock);
-};
-
-}
-
-#endif /* BUFFEREDSTREAM_H */
* @param sslContext The SSL context for the client.
*/
TlsStream::TlsStream(const Stream::Ptr& innerStream, TlsRole role, shared_ptr<SSL_CTX> sslContext)
- : m_SSLContext(sslContext), m_Role(role)
+ : m_InnerStream(innerStream), m_SSLContext(sslContext), m_Role(role)
{
- m_InnerStream = dynamic_pointer_cast<BufferedStream>(innerStream);
-
- if (!m_InnerStream)
- m_InnerStream = make_shared<BufferedStream>(innerStream);
-
- m_InnerStream->MakeNonBlocking();
-
m_SSL = shared_ptr<SSL>(SSL_new(m_SSLContext.get()), SSL_free);
m_SSLContext.reset();
while ((rc = SSL_do_handshake(m_SSL.get())) <= 0) {
switch (SSL_get_error(m_SSL.get(), rc)) {
case SSL_ERROR_WANT_READ:
- olock.Unlock();
- m_InnerStream->WaitReadable(1);
- olock.Lock();
continue;
case SSL_ERROR_WANT_WRITE:
- olock.Unlock();
- m_InnerStream->WaitWritable(1);
- olock.Lock();
continue;
case SSL_ERROR_ZERO_RETURN:
Close();
if (rc <= 0) {
switch (SSL_get_error(m_SSL.get(), rc)) {
case SSL_ERROR_WANT_READ:
- olock.Unlock();
- m_InnerStream->WaitReadable(1);
- olock.Lock();
continue;
case SSL_ERROR_WANT_WRITE:
- olock.Unlock();
- m_InnerStream->WaitWritable(1);
- olock.Lock();
continue;
case SSL_ERROR_ZERO_RETURN:
Close();
if (rc <= 0) {
switch (SSL_get_error(m_SSL.get(), rc)) {
case SSL_ERROR_WANT_READ:
- olock.Unlock();
- m_InnerStream->WaitReadable(1);
- olock.Lock();
continue;
case SSL_ERROR_WANT_WRITE:
- olock.Unlock();
- m_InnerStream->WaitWritable(1);
- olock.Lock();
continue;
case SSL_ERROR_ZERO_RETURN:
Close();
projects / icinga2 / commitdiff