source: release-kits/shared/linux/wrapper.cpp@ 19510

Last change on this file since 19510 was 19510, checked in by oranfry, 12 years ago

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

File size: 4.8 KB
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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