| /* |
| * 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 <decaf/util/Config.h> |
| |
| #if !defined(HAVE_WINSOCK2_H) |
| #include <sys/select.h> |
| #include <sys/socket.h> |
| #else |
| #include <Winsock2.h> |
| #endif |
| |
| #ifdef HAVE_SYS_IOCTL_H |
| #define BSD_COMP /* Get FIONREAD on Solaris2. */ |
| #include <sys/ioctl.h> |
| #endif |
| |
| // Pick up FIONREAD on Solaris 2.5. |
| #ifdef HAVE_SYS_FILIO_H |
| #include <sys/filio.h> |
| #endif |
| |
| #include <decaf/net/SocketInputStream.h> |
| #include <decaf/net/SocketError.h> |
| #include <decaf/io/IOException.h> |
| #include <decaf/lang/Character.h> |
| #include <decaf/lang/exceptions/UnsupportedOperationException.h> |
| #include <stdlib.h> |
| #include <string> |
| #include <stdio.h> |
| #include <iostream> |
| |
| #include <apr_portable.h> |
| |
| using namespace decaf; |
| using namespace decaf::net; |
| using namespace decaf::io; |
| using namespace decaf::util; |
| using namespace decaf::lang; |
| using namespace std; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| SocketInputStream::SocketInputStream( net::Socket::SocketHandle socket ) { |
| this->socket = socket; |
| this->closed = false; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| SocketInputStream::~SocketInputStream(){} |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| void SocketInputStream::close() throw( lang::Exception ){ |
| this->closed = true; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| std::size_t SocketInputStream::available() const throw ( io::IOException ){ |
| |
| // Convert to an OS level socket. |
| apr_os_sock_t oss; |
| apr_os_sock_get( (apr_os_sock_t*)&oss, socket ); |
| |
| // The windows version |
| #if defined(HAVE_WINSOCK2_H) |
| |
| unsigned long numBytes = 0; |
| |
| if( ::ioctlsocket( oss, FIONREAD, &numBytes ) == SOCKET_ERROR ){ |
| throw SocketException( __FILE__, __LINE__, "ioctlsocket failed" ); |
| } |
| |
| return (std::size_t)numBytes; |
| |
| #else // !defined(HAVE_WINSOCK2_H) |
| |
| // If FIONREAD is defined - use ioctl to find out how many bytes |
| // are available. |
| #if defined(FIONREAD) |
| |
| std::size_t numBytes = 0; |
| if( ::ioctl( oss, FIONREAD, &numBytes ) != -1 ){ |
| return numBytes; |
| } |
| |
| #endif |
| |
| // If we didn't get anything we can use select. This is a little |
| // less functional. We will poll on the socket - if there is data |
| // available, we'll return 1, otherwise we'll return zero. |
| #if defined(HAVE_SELECT) |
| |
| fd_set rd; |
| FD_ZERO(&rd); |
| FD_SET( oss, &rd ); |
| struct timeval tv; |
| tv.tv_sec = 0; |
| tv.tv_usec = 0; |
| int returnCode = ::select( oss+1, &rd, NULL, NULL, &tv ); |
| if( returnCode == -1 ){ |
| throw IOException( |
| __FILE__, __LINE__, |
| SocketError::getErrorString().c_str() ); |
| } |
| return (returnCode == 0) ? 0 : 1; |
| |
| #else |
| |
| return 0; |
| |
| #endif /* HAVE_SELECT */ |
| |
| #endif // !defined(HAVE_WINSOCK2_H) |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| unsigned char SocketInputStream::read() throw ( IOException ){ |
| |
| apr_status_t result = APR_SUCCESS; |
| char c; |
| apr_size_t size = 1; |
| |
| result = apr_socket_recv( socket, &c, &size ); |
| |
| if( ( size != sizeof(c) && !closed ) || result != APR_SUCCESS ){ |
| throw IOException( __FILE__, __LINE__, |
| "activemq::io::SocketInputStream::read - failed reading a byte"); |
| } |
| |
| return c; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| int SocketInputStream::read( unsigned char* buffer, |
| std::size_t offset, |
| std::size_t bufferSize ) |
| throw ( IOException, lang::exceptions::NullPointerException ) { |
| |
| apr_size_t size = (apr_size_t)bufferSize; |
| apr_status_t result = APR_SUCCESS; |
| |
| // Read data from the socket, size on input is size of buffer, when done |
| // size is the number of bytes actually read, can be <= bufferSize. |
| result = apr_socket_recv( socket, (char*)buffer + offset, &size ); |
| |
| // Check for EOF, on windows we only get size==0 so check that to, if we |
| // were closed though then we throw an IOException so the caller knows we |
| // aren't usable anymore. |
| if( ( APR_STATUS_IS_EOF( result ) || size == 0 ) && !closed ) { |
| return -1; |
| } |
| |
| // Check for a closed call from socket class, if closed then this read fails. |
| if( closed ){ |
| throw IOException( |
| __FILE__, __LINE__, |
| "activemq::io::SocketInputStream::read - The connection is broken" ); |
| } |
| |
| // Check for error. |
| if( result != APR_SUCCESS ){ |
| throw IOException( |
| __FILE__, __LINE__, |
| "decaf::net::SocketInputStream::read - %s", |
| SocketError::getErrorString().c_str() ); |
| } |
| |
| return (int)size; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| std::size_t SocketInputStream::skip( std::size_t num DECAF_UNUSED ) |
| throw ( io::IOException, lang::exceptions::UnsupportedOperationException ) { |
| |
| throw lang::exceptions::UnsupportedOperationException( |
| __FILE__, __LINE__, |
| "SocketInputStream::skip() method is not supported"); |
| } |
| |