[22189] | 1 | /**********************************************************************
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| 2 | *
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| 3 | * os_process_test.cpp -- test harness of os_process classes
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| 4 | * Copyright (C) 2010 The New Zealand Digital Library Project
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| 5 | *
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| 6 | * A component of the Greenstone digital library software
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| 7 | * from the New Zealand Digital Library Project at the
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| 8 | * University of Waikato, New Zealand.
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| 9 | *
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| 10 | * This program is free software; you can redistribute it and/or modify
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| 11 | * it under the terms of the GNU General Public License as published by
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| 12 | * the Free Software Foundation; either version 2 of the License, or
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| 13 | * (at your option) any later version.
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| 14 | *
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| 15 | * This program is distributed in the hope that it will be useful,
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | * GNU General Public License for more details.
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| 19 | *
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| 20 | * You should have received a copy of the GNU General Public License
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| 21 | * along with this program; if not, write to the Free Software
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| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | *
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| 24 | *********************************************************************/
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| 25 |
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| 26 |
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| 27 |
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| 28 | #include "os_process_windows.h"
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| 29 | #include "os_process_unix.h"
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| 30 |
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| 31 | #if defined(GSDL_USE_OBJECTSPACE)
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| 32 | # include <ospace/std/iostream>
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| 33 | #elif defined(GSDL_USE_IOS_H)
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| 34 | # include <iostream.h>
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| 35 | #else
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| 36 | # include <iostream>
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| 37 | using namespace std;
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| 38 | #endif
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| 39 |
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| 40 |
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| 41 |
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| 42 |
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| 43 | void test_uni_write_pipe()
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| 44 | {
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| 45 | #ifdef __WIN32__
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| 46 | char* prog_name = "c:\\cygwin\\bin\\tr.exe";
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| 47 | #else
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| 48 | char* prog_name = "tr";
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| 49 | #endif
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| 50 |
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| 51 | char* argv[] = { "tr", "[A-Z]", "[a-z]", NULL };
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| 52 |
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| 53 | cout << "<hr>" << endl;
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| 54 | cout << "<p>Unidirectional Write Test<br>" << endl;
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| 55 | cout << " Converts uppercase letters to lowercase<br>" << endl;
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| 56 | cout << " These are then sent to whereever the stdout of the child process goes" << endl;
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| 57 | cout << "<p>" << endl;
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| 58 |
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| 59 | #ifdef __WIN32__
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| 60 | osprocesswindows* process = new osprocesswindows(uniWrite,prog_name,argv);
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| 61 | #else
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| 62 | osprocessunix* process = new osprocessunix(uniWrite,prog_name,argv);
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| 63 | #endif
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| 64 |
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| 65 | char* buffer = "TESTING uniWirite IN CAP<br>\nTesting uniWrite in Mixed Case<br>\n";
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| 66 | int buffer_len = strlen(buffer);
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| 67 |
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| 68 | if (!process->write(buffer,buffer_len)) {
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| 69 | cerr << "Error: failed to write to child process\n";
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| 70 | }
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| 71 |
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| 72 | process->close();
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| 73 |
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| 74 | process->wait();
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| 75 |
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| 76 | delete process;
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| 77 | }
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| 78 |
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| 79 |
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| 80 | void test_uni_read_pipe()
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| 81 | {
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| 82 | char* prog_name = "java";
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| 83 | char* argv[] = { "java", NULL };
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| 84 |
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| 85 | cout << "<hr>" << endl;
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| 86 | cout << "<p>Unidirectional Read Test<br>" << endl;
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| 87 | cout << " The output of 'java' is read in by this process and then sent to stdout" << endl;
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| 88 | cout << "<p>" << endl;
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| 89 |
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| 90 |
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| 91 | // through virutal inheritence can pass object around as base class, if
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| 92 | // desired
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| 93 | #ifdef __WIN32__
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| 94 | osprocess* process = new osprocesswindows(uniRead,prog_name,argv);
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| 95 | #else
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| 96 | osprocess* process = new osprocessunix(uniRead,prog_name,argv);
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| 97 | #endif
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| 98 |
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| 99 | const int BufferSize = 1024;
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| 100 | char buffer[BufferSize];
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| 101 |
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| 102 | int bytes_read = 0;
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| 103 | do {
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| 104 | bytes_read = process->read(buffer,BufferSize);
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| 105 | if (bytes_read>0) {
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| 106 | fwrite(buffer,1,bytes_read,stdout);
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| 107 | }
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| 108 | } while (bytes_read==BufferSize);
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| 109 |
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| 110 |
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| 111 | // deleting object will also have the effect of closing any open handles
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| 112 | delete process;
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| 113 |
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| 114 | }
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| 115 |
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| 116 |
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| 117 |
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| 118 | void test_bi_read_write_pipe()
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| 119 | {
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| 120 | #ifdef __WIN32__
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| 121 | char* prog_name = "c:\\cygwin\\bin\\tr.exe";
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| 122 | #else
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| 123 | char* prog_name = "tr";
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| 124 | #endif
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| 125 | char* argv[] = { "tr", "[A-Z]", "[a-z]", NULL };
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| 126 |
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| 127 | // Converts uppercase letters to lowercase
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| 128 | // Answer is read back and then printed to STDOUT by this process
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| 129 |
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| 130 | cout << "<hr>" << endl;
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| 131 | cout << "<p>Bidirectional Read/Write Test<br>" << endl;
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| 132 | cout << " Converts uppercase letters to lowercase<br>" << endl;
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| 133 | cout << " Data is sent to child process down pipe by this process<br>" << endl;
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| 134 | cout << " Answer is read back from child process and printed to stdout" << endl;
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| 135 | cout << "<p>" << endl;
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| 136 |
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| 137 | #ifdef __WIN32__
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| 138 | osprocesswindows* process = new osprocesswindows(biReadWrite,prog_name,argv);
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| 139 | #else
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| 140 | osprocessunix* process = new osprocessunix(biReadWrite,prog_name,argv);
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| 141 | #endif
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| 142 |
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| 143 | char* write_buffer = "TESTING biReadWrite IN CAP<br>\nTesting biReadWrite in Mixed Case<br>\n";
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| 144 | int write_buffer_len = strlen(write_buffer);
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| 145 |
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| 146 | if (!process->write(write_buffer,write_buffer_len)) {
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| 147 | cerr << "Error: failed to write to child process\n";
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| 148 | }
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| 149 |
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| 150 | const int BufferSize = 1024;
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| 151 | char read_buffer[BufferSize];
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| 152 | process->close_write_pipe();
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| 153 |
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| 154 | int bytes_read = 0;
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| 155 | do {
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| 156 | bytes_read = process->read(read_buffer,BufferSize);
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| 157 | if (bytes_read>0) {
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| 158 | fwrite(read_buffer,1,bytes_read,stdout);
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| 159 | }
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| 160 | } while (bytes_read==BufferSize);
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| 161 |
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| 162 |
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| 163 | process->close();
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| 164 |
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| 165 | delete process;
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| 166 |
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| 167 | }
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| 168 |
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| 169 |
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| 170 | int main()
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| 171 | {
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| 172 | printf("Content-type: text/html\n\n");
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| 173 |
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| 174 | printf( "<html>\n");
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| 175 | printf( " <head>\n");
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| 176 | printf( " <title>Testing</title>\n");
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| 177 | printf( " </head>\n");
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| 178 | printf( " <body>\n");
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| 179 |
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| 180 | test_uni_read_pipe();
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| 181 | test_uni_write_pipe();
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| 182 | test_bi_read_write_pipe();
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| 183 |
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| 184 | printf( " </body>\n");
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| 185 | printf( "</html>\n");
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| 186 |
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| 187 | return 0;
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| 188 | }
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| 189 |
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| 190 |
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| 191 |
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