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File: [Pegasus] / pegasus / src / Pegasus / Common / AnonymousPipeWindows.cpp
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Revision: 1.8, Fri Mar 16 16:16:49 2007 UTC (17 years, 3 months ago) by marek Branch: MAIN CVS Tags: TASK-PEP328_SOLARIS_IX86_CC_PORT-root, TASK-PEP328_SOLARIS_IX86_CC_PORT-branch, TASK-PEP305_VXWORKS-root, TASK-PEP305_VXWORKS-branch-pre-solaris-port, TASK-PEP305_VXWORKS-branch-post-solaris-port, TASK-PEP305_VXWORKS-branch-beta2, TASK-PEP305_VXWORKS-branch, TASK-PEP305_VXWORKS-2008-10-23, TASK-PEP291_IPV6-root, TASK-PEP291_IPV6-branch, TASK-PEP286_PRIVILEGE_SEPARATION-root, TASK-PEP286_PRIVILEGE_SEPARATION-branch, TASK-PEP274_dacim-root, TASK-PEP274_dacim-merged_out_to_branch, TASK-PEP274_dacim-merged_out_from_trunk, TASK-PEP274_dacim-merged_in_to_trunk, TASK-PEP274_dacim-merged_in_from_branch, TASK-PEP274_dacim-branch, TASK-Bug2102Final-root, TASK-Bug2102Final-merged_out_to_branch, TASK-Bug2102Final-merged_out_from_trunk, TASK-Bug2102Final-merged_in_to_trunk, TASK-Bug2102Final-merged_in_from_branch, TASK-Bug2102Final-branch, TASK-BUG7146_SqlRepositoryPrototype-root, TASK-BUG7146_SqlRepositoryPrototype-merged_out_to_branch, TASK-BUG7146_SqlRepositoryPrototype-merged_out_from_trunk, TASK-BUG7146_SqlRepositoryPrototype-merged_in_to_trunk, TASK-BUG7146_SqlRepositoryPrototype-merged_in_from_branch, TASK-BUG7146_SqlRepositoryPrototype-branch, RELEASE_2_8_0_BETA, RELEASE_2_8_0-FC, RELEASE_2_7_3-RC1, RELEASE_2_7_3, RELEASE_2_7_2-RC1, RELEASE_2_7_2, RELEASE_2_7_1-RC1, RELEASE_2_7_1, RELEASE_2_7_0-RC1, RELEASE_2_7_0-BETA, RELEASE_2_7_0, RELEASE_2_7-root, RELEASE_2_7-branch, Makefile Branch point for: TASK-PEP328_SOLARIS_IX86_CC_PORT-branch-v2 Changes since 1.7: +23 -23 lines BUG#:6207 TITLE: Performance - make OpenPegasus use its more efficent Trace macros DESCRIPTION: |
//%2006//////////////////////////////////////////////////////////////////////// // // 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. // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; Symantec 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. // //============================================================================== // //%///////////////////////////////////////////////////////////////////////////// #include "AnonymousPipe.h" #include <Pegasus/Common/Signal.h> #include "Network.h" #include <windows.h> #include <stdio.h> PEGASUS_NAMESPACE_BEGIN AnonymousPipe::AnonymousPipe() { PEG_METHOD_ENTER(TRC_OS_ABSTRACTION, "AnonymousPipe::AnonymousPipe()"); AnonymousPipeHandle thePipe[2]; SECURITY_ATTRIBUTES saAttr; saAttr.nLength = sizeof(SECURITY_ATTRIBUTES); saAttr.bInheritHandle = TRUE; saAttr.lpSecurityDescriptor = NULL; if (!CreatePipe(&thePipe[0], &thePipe[1], &saAttr, 0)) { PEG_TRACE((TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to create pipe. Error code: %d", GetLastError())); 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, "%p", &_readHandle) != 1) { PEG_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, "%p", &_writeHandle) != 1) { PEG_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) { PEG_TRACE_CSTRING(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); DWORD expectedBytes = bytesToWrite; do { BOOL returnValue; DWORD bytesWritten = 0; returnValue = WriteFile(_writeHandle, writeBuffer, expectedBytes, &bytesWritten, NULL); if (!returnValue) { PEG_TRACE((TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to write buffer to pipe. Error code: %d", GetLastError())); return STATUS_ERROR; } if (bytesWritten < 0) { PEG_TRACE((TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to write buffer to pipe. Error code: %d", GetLastError())); if ((GetLastError() == ERROR_PIPE_NOT_CONNECTED) || (GetLastError() == ERROR_BROKEN_PIPE)) { return STATUS_CLOSED; } 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) { PEG_TRACE_CSTRING(TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Attempted to read from pipe whose read handle is not open"); return STATUS_CLOSED; } DWORD expectedBytes = bytesToRead; do { BOOL returnValue; DWORD bytesRead; returnValue = ReadFile( _readHandle, buffer, bytesToRead, &bytesRead, NULL); if (!returnValue) { PEG_TRACE((TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to read buffer from pipe. Error code: %d", GetLastError())); if ((GetLastError() == ERROR_PIPE_NOT_CONNECTED) || (GetLastError() == ERROR_BROKEN_PIPE)) { return STATUS_CLOSED; } return STATUS_ERROR; } if (bytesRead == 0) { // // Connection closed // PEG_TRACE_CSTRING(TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to read buffer from pipe: connection closed"); return STATUS_CLOSED; } if (bytesRead < 0) { PEG_TRACE((TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to read buffer from pipe. Error code: %d", GetLastError())); // // 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, "%p", _readHandle); PEG_METHOD_EXIT(); } void AnonymousPipe::exportWriteHandle(char * buffer) const { PEG_METHOD_ENTER(TRC_OS_ABSTRACTION, "AnonymousPipe::exportWriteHandle"); sprintf(buffer, "%p", _writeHandle); PEG_METHOD_EXIT(); } void AnonymousPipe::closeReadHandle() { PEG_METHOD_ENTER(TRC_OS_ABSTRACTION, "AnonymousPipe::closeReadHandle"); if (_readOpen) { if (!CloseHandle(_readHandle)) { PEG_TRACE((TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to close read handle. Error code: %d", GetLastError())); } else { _readOpen = false; } } else { PEG_TRACE_CSTRING(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 (!CloseHandle(_writeHandle)) { PEG_TRACE((TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Failed to close write handle. Error code: %d", GetLastError())); } else { _writeOpen = false; } } else { PEG_TRACE_CSTRING(TRC_OS_ABSTRACTION, Tracer::LEVEL2, "Attempted to close write handle that was not open"); } PEG_METHOD_EXIT(); } PEGASUS_NAMESPACE_END
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