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File: [Pegasus] / pegasus / src / Pegasus / Common / Attic / AnonymousPipeUnix.cpp
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Revision: 1.4, Sat Feb 5 22:59:23 2005 UTC (19 years, 4 months ago) by karl Branch: MAIN CVS Tags: STABLE, RELEASE_2_5_0-RC1, RELEASE_2_5_0, PEP244_ServerProfile-root, PEP244_ServerProfile-branch, PEP233_EmbeddedInstSupport-root, PEP217_PRE_BRANCH, PEP217_POST_BRANCH, PEP217_BRANCH, PEP214ROOT, PEP214BRANCH, PEP214-root, PEP214-branch, PEP-214B-root, PEGASUS_2_5_0_PerformanceDev-string-end, PEGASUS_2_5_0_PerformanceDev-rootlt, PEGASUS_2_5_0_PerformanceDev-root, PEGASUS_2_5_0_PerformanceDev-r2, PEGASUS_2_5_0_PerformanceDev-r1, PEGASUS_2_5_0_PerformanceDev-lit-end, PEGASUS_2_5_0_PerformanceDev-buffer-end, PEGASUS_2_5_0_PerformanceDev-branch, PEGASUS_2_5_0_PerformanceDev-String, PEGASUS_2_5_0_PerformanceDev-AtomicInt-branch, PEG25_IBM_5_16_05, NPEGASUS_2_5_0_PerformanceDev-String-root, NNPEGASUS_2_5_0_PerformanceDev-String-branch, BUG_4225_PERFORMANCE_VERSION_1_DONE Branch point for: PEP233_EmbeddedInstSupport-branch Changes since 1.3: +3 -1 lines BUG#: 2656 TITLE: License statement update to 2005 DESCRIPTION: All .h, .cpp and the wql, cql, compile *.l and *.y files along with the .java files in providermanager2/jmpi updated to use the license statement in doc/license.txt Tested on windows and visual test of all diffs. |
//%2005//////////////////////////////////////////////////////////////////////// // // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation, The Open Group. // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; VERITAS Software Corporation; The Open Group. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to // deal in the Software without restriction, including without limitation the // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or // sell copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // //============================================================================== // // Author: Carol Ann Krug Graves, Hewlett-Packard Company // (carolann_graves@hp.com) // // Modified By: David Dillard, VERITAS Software Corp. // (david.dillard@veritas.com) // //%///////////////////////////////////////////////////////////////////////////// #include "AnonymousPipe.h" #include <Pegasus/Common/Signal.h> #if defined (PEGASUS_OS_OS400) # include <unistd.cleinc> #else # include <unistd.h> #endif #include <errno.h> PEGASUS_NAMESPACE_BEGIN AnonymousPipe::AnonymousPipe () { PEG_METHOD_ENTER (TRC_OS_ABSTRACTION, "AnonymousPipe::AnonymousPipe ()"); AnonymousPipeHandle thePipe [2]; if (pipe (thePipe) < 0) { Tracer::trace (TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to create pipe: %s", strerror (errno)); PEG_METHOD_EXIT (); MessageLoaderParms mlp ("Common.AnonymousPipe.CREATE_PIPE_FAILED", "Failed to create pipe."); throw Exception (mlp); } _readHandle = thePipe [0]; _writeHandle = thePipe [1]; _readOpen = true; _writeOpen = true; PEG_METHOD_EXIT (); } AnonymousPipe::AnonymousPipe ( const char * readHandle, const char * writeHandle) { PEG_METHOD_ENTER (TRC_OS_ABSTRACTION, "AnonymousPipe::AnonymousPipe (const char *, const char *)"); _readHandle = 0; _writeHandle = 0; _readOpen = false; _writeOpen = false; if (readHandle != NULL) { if (sscanf (readHandle, "%d", &_readHandle) != 1) { Tracer::trace (TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to create pipe: invalid read handle %s", readHandle); PEG_METHOD_EXIT (); MessageLoaderParms mlp ("Common.AnonymousPipe.CREATE_PIPE_FAILED", "Failed to create pipe."); throw Exception (mlp); } _readOpen = true; } if (writeHandle != NULL) { if (sscanf (writeHandle, "%d", &_writeHandle) != 1) { Tracer::trace (TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to create pipe: invalid write handle %s", writeHandle); PEG_METHOD_EXIT (); MessageLoaderParms mlp ("Common.AnonymousPipe.CREATE_PIPE_FAILED", "Failed to create pipe."); throw Exception (mlp); } _writeOpen = true; } PEG_METHOD_EXIT (); } AnonymousPipe::~AnonymousPipe () { PEG_METHOD_ENTER (TRC_OS_ABSTRACTION, "AnonymousPipe::~AnonymousPipe"); if (_readOpen) { closeReadHandle (); } if (_writeOpen) { closeWriteHandle (); } PEG_METHOD_EXIT (); } AnonymousPipe::Status AnonymousPipe::writeBuffer ( const void * buffer, Uint32 bytesToWrite) { // // Treat invalid handle as connection closed // if (!_writeOpen) { Tracer::trace (TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Attempted to write to pipe whose write handle is not open"); return STATUS_CLOSED; } // // Ignore SIGPIPE signals // SignalHandler::ignore (PEGASUS_SIGPIPE); const char * writeBuffer = reinterpret_cast<const char*>(buffer); int expectedBytes = bytesToWrite; do { int bytesWritten = write (_writeHandle, writeBuffer, expectedBytes); if (bytesWritten < 0) { Tracer::trace (TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to write buffer to pipe: %s", strerror (errno)); if (errno == EPIPE) { // // Other end of pipe is closed // return STATUS_CLOSED; } else if (errno == EINTR) { // // Keep trying to write // bytesWritten = 0; } else { return STATUS_ERROR; } } expectedBytes -= bytesWritten; writeBuffer += bytesWritten; } while (expectedBytes > 0); return STATUS_SUCCESS; } AnonymousPipe::Status AnonymousPipe::readBuffer ( void * buffer, Uint32 bytesToRead) { // // Treat invalid handle as connection closed // if (!_readOpen) { Tracer::trace (TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Attempted to read from pipe whose read handle is not open"); return STATUS_CLOSED; } Uint32 expectedBytes = bytesToRead; do { int bytesRead = read (_readHandle, buffer, bytesToRead); if (bytesRead == 0) { // // Connection closed // Tracer::trace (TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to read buffer from pipe: connection closed"); return STATUS_CLOSED; } if (bytesRead < 0) { Tracer::trace (TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to read buffer from pipe: %s", strerror (errno)); // // If read was interrupted, keep trying // Otherwise, return error // if (errno == EINTR) { if (bytesToRead == expectedBytes) { // // Got a signal and haven't read any bytes yet // return STATUS_INTERRUPT; } bytesRead = 0; } else { // // Error reading from pipe // return STATUS_ERROR; } } buffer = reinterpret_cast<char *>(buffer) + bytesRead; bytesToRead -= bytesRead; } while (bytesToRead > 0); return STATUS_SUCCESS; } void AnonymousPipe::exportReadHandle ( char * buffer) const { PEG_METHOD_ENTER (TRC_OS_ABSTRACTION, "AnonymousPipe::exportReadHandle"); sprintf (buffer, "%d", _readHandle); PEG_METHOD_EXIT (); } void AnonymousPipe::exportWriteHandle ( char * buffer) const { PEG_METHOD_ENTER (TRC_OS_ABSTRACTION, "AnonymousPipe::exportWriteHandle"); sprintf (buffer, "%d", _writeHandle); PEG_METHOD_EXIT (); } void AnonymousPipe::closeReadHandle () { PEG_METHOD_ENTER (TRC_OS_ABSTRACTION, "AnonymousPipe::closeReadHandle"); if (_readOpen) { if (close (_readHandle) != 0) { Tracer::trace (TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to close read handle: %s", strerror (errno)); } else { _readOpen = false; } } else { Tracer::trace (TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Attempted to close read handle that was not open"); } PEG_METHOD_EXIT (); } void AnonymousPipe::closeWriteHandle () { PEG_METHOD_ENTER (TRC_OS_ABSTRACTION, "AnonymousPipe::closeWriteHandle"); if (_writeOpen) { if (close (_writeHandle) != 0) { Tracer::trace (TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to close write handle: %s", strerror (errno)); } else { _writeOpen = false; } } else { Tracer::trace (TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Attempted to close write handle that was not open"); } PEG_METHOD_EXIT (); } PEGASUS_NAMESPACE_END
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