root/release-kits/shared/linux/wrapper.cpp @ 19510

Revision 19510, 4.8 KB (checked in by oranfry, 11 years ago)

main release kits now create their own cdrom installers and wrap them

Line 
1#include <iostream>
2#include <fstream>
3#include <iomanip>
4#include <cstdlib>
5
6using namespace std;
7
8#include "wrapper.h"
9#include "libsearch4j.h"
10
11bool extract_bundled_file( const char[], int, char*, bool );
12
13int main(int argc, char** argv) {
14
15    char owd[1024];
16    getcwd(owd, sizeof(owd));
17
18    string scratch = (getenv("TMPDIR") == NULL) ? "/tmp" : getenv("TMPDIR");
19    string tempdir = scratch + "/@installer.name@.tmp"; //temporary directory where we will store extracted files
20    string jarfile = tempdir + "/@installer.name@.jar"; //where we will store the jar file
21    string javafile = tempdir + "/@java.installer@"; //where we will store the java tar file
22    bool succeeded = false;
23    bool textMode = false;
24
25    //parse arguments
26    for ( int i=0; i<argc; i++ ) {
27        if ( strcmp( argv[i], "text" ) == 0 ) {
28            textMode = true;
29        }
30    }
31
32
33    //create the temp folder
34    cout << "Creating temp directory..." << endl;
35    succeeded = ( 0 == system( ("mkdir " + tempdir).c_str() ) );
36    if ( !succeeded ) {
37        cout << "Failed to create the temp directory '" << tempdir << "'. " <<
38         "Check that it does not already exist. Also check that you have write " <<
39         "permissions to '" << scratch << "', or set the environment variable TMPDIR to " <<
40         "a directory where you do have write permissions." <<
41         endl;
42
43        cout << "Exiting" << endl;
44        return 1;
45    }
46
47    //extract files
48    cout << "Extracting installer jar..." << endl;
49    succeeded = extract_bundled_file( @installer.name@jar, sizeof(@installer.name@jar), (char*)jarfile.c_str(), false);
50
51    #ifdef java_is_bundled
52    cout << "Preparing Greenstone installer..." << endl;
53    succeeded = extract_bundled_file( java, sizeof(java), (char*)javafile.c_str(), true ) && succeeded;
54    #endif
55       
56    if ( !succeeded ) {
57        cout << "Failed to extract one or more resources" << endl;
58        cout << "This installer may not have sufficient file permissions to write it to disk" << endl;
59        cout << "Or, the files may be corrupt or missing from this executable" << endl;
60        cout << "Exiting" << endl;
61        return 1;
62    }
63
64    //change to the temp directory
65    chdir( tempdir.c_str() );
66
67    #ifdef java_is_bundled
68    succeeded = (system( "/bin/sh -c ./@java.installer@ > /dev/null" ) == 0);
69    succeeded = succeeded && ( system( "tar -xf jre.tar" ) == 0 );
70    if ( !succeeded ) {
71        cout << "Failed to extract the bundled java archive to the temp directory" << endl;
72        cout << "You need the tar program on your PATH" << endl;
73        cout << "Exiting" << endl;
74        return 1;
75    }
76    #endif
77
78    //check if an appropriate java is found
79    Jvm minimum; minimum.setVersionFromString( "@java.min.version@" );
80    string phint = "./@java.extracted@";
81    string hint = "";
82    Jvm foundJvm;
83    bool jvmFound = find( foundJvm, true, minimum, false, false, phint, hint, false );
84
85    //if the jvm was not found, report not found
86    if ( !jvmFound ) {
87
88        //did not find a good java
89        cout << "Greenstone requires java @java.min.version@ or greater." << endl;
90       
91        //tell them if java is absent or just too old
92        Jvm tmpJvm;
93        if ( find( tmpJvm, false, minimum, false, false, phint, hint, false ) ) {
94            cout << "You have java, but it is too old." << endl;
95        } else {
96            cout << "Could not find java on your system." << endl;
97        }
98       
99        cout << "Install java (@java.min.version@ or greater) and set JAVA_HOME or JRE_HOME, and try again" << endl;
100        #ifndef java_is_bundled
101        cout << "Or, download a greentsone3 installer with bundled java and use that instead of this one" << endl;
102        #endif
103
104    //if we have found it, launch the installer
105    } else {
106
107        cout << "Launching Installer ..." << endl;
108        int launch_exit_code = 0;
109        launch_exit_code = system( (foundJvm.getExecutable() + " -Xmx85M \"-Dorig.dir=" + owd + "\" -jar @installer.name@.jar" + (textMode?" text":"") ).c_str() );
110
111        //report how it went
112        if ( launch_exit_code == 0 ) {
113            cout << "Setup complete" << endl;
114        } else {
115            cout << "The installer exited with an error" << endl;
116            cout << "Greenstone may not be correctly installed" << endl;
117        }
118
119    }
120
121    //change to the scratch dir for the following operation
122    chdir(scratch.c_str());
123
124    //delete the temp files
125    cout << "Deleting the temp directory" << endl;
126    system( ("rm -rf " + tempdir).c_str() );
127
128    return 0;
129
130}
131
132bool extract_bundled_file( const char data[], int size, char* filename, bool make_executable) {
133
134    if ( size == 0 ) return false;
135
136    //delete the file if it exists
137    remove( filename );
138
139    //open the file
140    fstream binary_file( filename, ios::out|ios::binary );
141    if ( !binary_file.good() ) {
142        binary_file.close();
143        return false;
144    }
145
146    //write the file
147    binary_file.write( data, size );
148    if ( !binary_file.good() ) {
149        binary_file.close();
150        return false;
151    }
152
153    //close the file
154    binary_file.close();
155    if ( !binary_file.good() ) {
156        binary_file.close();
157        return false;
158    }
159
160    if ( make_executable ) {
161        string command = "chmod a+x " + string(filename);
162        system( command.c_str() );
163    }
164
165    return true;
166
167}
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