(file) Return to AnonymousPipe.cpp CVS log (file) (dir) Up to [Pegasus] / pegasus / src / Pegasus / Common

  1 karl  1.7 //%2006////////////////////////////////////////////////////////////////////////
  2 kumpf 1.1 //
  3 karl  1.2 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
  4           // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
  5           // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
  6 kumpf 1.1 // IBM Corp.; EMC Corporation, The Open Group.
  7 karl  1.2 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
  8           // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
  9 karl  1.4 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
 10           // EMC Corporation; VERITAS Software Corporation; The Open Group.
 11 karl  1.7 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
 12           // EMC Corporation; Symantec Corporation; The Open Group.
 13 kumpf 1.1 //
 14           // Permission is hereby granted, free of charge, to any person obtaining a copy
 15           // of this software and associated documentation files (the "Software"), to
 16           // deal in the Software without restriction, including without limitation the
 17           // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 18           // sell copies of the Software, and to permit persons to whom the Software is
 19           // furnished to do so, subject to the following conditions:
 20           // 
 21           // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
 22           // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
 23           // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 24           // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 25           // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 26           // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 27           // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 28           // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 29           //
 30           //==============================================================================
 31           //
 32           //%/////////////////////////////////////////////////////////////////////////////
 33           
 34 kumpf 1.1 #include <Pegasus/Common/CIMMessageSerializer.h>
 35           #include <Pegasus/Common/CIMMessageDeserializer.h>
 36           #include <Pegasus/Common/MessageLoader.h>
 37           #include <Pegasus/Common/Exception.h>
 38           #include <Pegasus/Common/Tracer.h>
 39           
 40           #include "AnonymousPipe.h"
 41           
 42           
 43           #if defined (PEGASUS_OS_TYPE_WINDOWS)
 44           # include "AnonymousPipeWindows.cpp"
 45           #elif defined (PEGASUS_OS_TYPE_UNIX)
 46 mike  1.8 # include "AnonymousPipePOSIX.cpp"
 47 gs.keenan 1.5 #elif defined (PEGASUS_OS_VMS)
 48 mike      1.8 # include "AnonymousPipePOSIX.cpp"
 49 kumpf     1.1 #else
 50               # error "Unsupported platform"
 51               #endif
 52               
 53               PEGASUS_NAMESPACE_BEGIN
 54               
 55               AnonymousPipe::Status AnonymousPipe::writeMessage (CIMMessage * message)
 56               {
 57                   PEG_METHOD_ENTER (TRC_OS_ABSTRACTION, "AnonymousPipe::writeMessage");
 58               
 59                   //
 60                   // Serialize the request
 61                   //
 62 mike      1.6     Buffer messageBuffer;
 63 kumpf     1.1     messageBuffer.reserveCapacity (4096);
 64                   try
 65                   {
 66                       CIMMessageSerializer::serialize (messageBuffer, message);
 67                   }
 68                   catch (Exception & e)
 69                   {
 70                       PEG_TRACE_STRING (TRC_OS_ABSTRACTION, Tracer::LEVEL2,
 71                           "Failed to serialize message: " + e.getMessage ());
 72                       PEG_METHOD_EXIT ();
 73                       throw;
 74                   }
 75               
 76                   //
 77                   // Write the serialized message to the pipe
 78                   //
 79                   Status writeStatus;
 80                   try
 81                   {
 82                       Uint32 messageLength = messageBuffer.size ();
 83                       const char * messageData = messageBuffer.getData ();
 84 kumpf     1.1 
 85 kumpf     1.9         writeStatus = writeBuffer ((const char *) &messageLength,
 86 kumpf     1.1             sizeof (Uint32));
 87               
 88                       if (writeStatus == STATUS_SUCCESS)
 89                       {
 90 kumpf     1.9             writeStatus = writeBuffer (messageBuffer.getData (),
 91 kumpf     1.1                 messageLength);
 92                       }
 93                   }
 94                   catch (...)
 95                   {
 96                       PEG_METHOD_EXIT ();
 97                       throw;
 98                   }
 99               
100                   PEG_METHOD_EXIT ();
101                   return writeStatus;
102               }
103               
104               AnonymousPipe::Status AnonymousPipe::readMessage (CIMMessage * & message)
105               {
106                   PEG_METHOD_ENTER (TRC_OS_ABSTRACTION, "AnonymousPipe::readMessage");
107               
108                   message = 0;
109               
110                   //
111                   //  Read the message length
112 kumpf     1.1     //
113                   Uint32 messageLength;
114                   Status readStatus = readBuffer ((char *) &messageLength, sizeof (Uint32));
115               
116                   if (readStatus != STATUS_SUCCESS)
117                   {
118                       PEG_METHOD_EXIT ();
119                       return readStatus;
120                   }
121               
122                   if (messageLength == 0)
123                   {
124                       //
125                       //  Null message
126                       //
127                       PEG_METHOD_EXIT ();
128                       return STATUS_SUCCESS;
129                   }
130               
131                   //
132                   //  Read the message data
133 kumpf     1.1     //
134                   AutoArrayPtr <char> messageBuffer (new char [messageLength + 1]);
135               
136                   //
137                   //  We know a message is coming
138                   //  Keep reading even if interrupted
139                   //
140                   do
141                   {
142                       readStatus = readBuffer (messageBuffer.get (), messageLength);
143                   } while (readStatus == STATUS_INTERRUPT);
144               
145                   if (readStatus != STATUS_SUCCESS)
146                   {
147                       PEG_METHOD_EXIT ();
148                       return readStatus;
149                   }
150               
151                   try
152                   {
153                       //
154 kumpf     1.1         //  De-serialize the message
155                       //
156                       message = CIMMessageDeserializer::deserialize (messageBuffer.get ());
157                   }
158                   catch (Exception & e)
159                   {
160                       //
161                       //  De-serialization failed
162                       //
163                       PEG_TRACE_STRING (TRC_OS_ABSTRACTION, Tracer::LEVEL2,
164                           "Failed to de-serialize message: " + e.getMessage ());
165                       PEG_METHOD_EXIT ();
166                       throw;
167                   }
168               
169                   PEG_METHOD_EXIT ();
170                   return readStatus;
171               }
172               
173               PEGASUS_NAMESPACE_END

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