sal/workben/testpipe.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23
  24 #include <osl/pipe.h>
  25 #include <osl/process.h>
  26 #include <rtl/ustring.h>
  27
  28 // clear Name for the Pipe
  29 const char pszPipeName[] = "TestPipe";
  30 const char szTestString[] = "This is a test";
  31 char       szBuffer[256];
  32
  33 const char *  cp;
  34 size_t  n;
  35 sal_Int32 nChars;
  36
  37 // osl specific variables
  38 oslPipe          Pipe;
  39 oslPipe          C1Pipe;
  40 oslProcess       Process = NULL;
  41 oslProcessError  ProcessError;
  42 oslProcessInfo   ProcessInfo;
  43
  44 void fail( const char * pszText, int retval )
  45 {
  46     fprintf( stderr, "TestPipe Server: %s", pszText );
  47     fprintf( stderr, "TestPipe Server: test failed, ErrNo: %d.\n", retval );
  48
  49     if( Process ) osl_freeProcessHandle( Process );
  50     exit( retval );
  51 }
  52
  53 /*
  54  * Test the Pipe-Implementation in osl
  55  */
  56
  57 int main (int argc, const char *argv[])
  58 {
  59     // create the Pipe
  60     rtl_uString* ustrPipeName=0;
  61     rtl_uString* ustrExeName=0;
  62
  63     rtl_uString_newFromAscii(&ustrPipeName,pszPipeName);
  64     rtl_uString_newFromAscii(&ustrExeName, "//./tmp/testpip2.exe");
  65
  66     Pipe = osl_createPipe( ustrPipeName, osl_Pipe_CREATE, 0 );
  67
  68     if( !Pipe )
  69         fail( "unable to create Pipe.\n",
  70               osl_getLastPipeError(NULL));
  71
  72     // start client process
  73     ProcessError = osl_executeProcess( ustrExeName,
  74                                        NULL,
  75                                        0,
  76                                         osl_Process_NORMAL,
  77                                         0,
  78                                        NULL,
  79                                        NULL,
  80                                         0,
  81                                         &Process );
  82
  83     if( ProcessError != osl_Process_E_None )
  84         fail( "unable to start client.\n", ProcessError );
  85
  86     // wait for connection
  87     C1Pipe = osl_acceptPipe( Pipe );
  88
  89     if( !C1Pipe )
  90         fail( "unable to connect to client.\n",
  91             osl_getLastPipeError( Pipe ));
  92
  93     if( argc > 1 )
  94     {
  95         cp = argv[1];
  96         n  = strlen( cp ) + 1;
  97     }
  98     else
  99     {
 100         cp = szTestString;
 101         n  = sizeof(szTestString);
 102     }
 103
 104     // send TestString to Client
 105     nChars = osl_sendPipe( C1Pipe, cp, n );
 106
 107     if( nChars < 0 )
 108         fail( "unable to write on pipe.\n",
 109               osl_getLastPipeError( Pipe ) );
 110
 111     // receive data from the server
 112     nChars = osl_receivePipe( C1Pipe, szBuffer, 256 );
 113
 114     if( nChars < 0 )
 115         fail( "unable to read from pipe.\n",
 116               osl_getLastPipeError( C1Pipe ) );
 117
 118     printf( "TestPipe Server: received data: %s.\n", szBuffer );
 119
 120     // wait until the client-program terminates
 121     ProcessError = osl_joinProcess( Process );
 122
 123     if( ProcessError != osl_Process_E_None )
 124         fail( "unable to wait for client.\n",
 125               ProcessError );
 126
 127     // investigate the return-value of the client-program
 128     ProcessInfo.Size = sizeof( ProcessInfo );
 129
 130     ProcessError = osl_getProcessInfo( Process, osl_Process_EXITCODE, &ProcessInfo );
 131
 132     if( ProcessError != osl_Process_E_None )
 133         fail( "unable to receive return value of client process.\n",
 134               ProcessError );
 135
 136     if( ProcessInfo.Code != 0 )
 137         fail( "client aborted.\n", ProcessInfo.Code );
 138
 139     // give the handle for the free client-process
 140     osl_freeProcessHandle( Process );
 141
 142     // close the pipes
 143     osl_releasePipe( C1Pipe );
 144     osl_releasePipe( Pipe );
 145
 146     printf( "TestPipe Server: test passed.\n" );
 147     return 0;
 148 }
 149
 150 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */