root/release-kits/shared/linux/wrapper.cpp @ 18877

Revision 18877, 4.4 KB (checked in by oranfry, 11 years ago)

allowing the use of installer argument 'text' to trigger text mode installation

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