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-rw-r--r--src/tools/myriadfs.cpp269
1 files changed, 269 insertions, 0 deletions
diff --git a/src/tools/myriadfs.cpp b/src/tools/myriadfs.cpp
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1/*
2 * Copyright (C) 2007-2023 Xagasoft, All rights reserved.
3 *
4 * This file is part of the libbu++ library and is released under the
5 * terms of the license contained in the file LICENSE.
6 */
7
8#include "bu/sio.h"
9#include "bu/streamstack.h"
10#include "bu/file.h"
11#include "bu/myriadfs.h"
12#include "bu/myriadstream.h"
13#include "bu/optparser.h"
14
15enum Mode
16{
17 modeList,
18 modeCat,
19 modeCopyIn,
20 modeCopyOut,
21 modeMkdir,
22 modeInitialize,
23 modeRm,
24
25 modeNone
26};
27
28Bu::Formatter &operator>>( Bu::Formatter &f, Mode & /*e*/ )
29{
30 Bu::sio << "Uh oh, the formatter was called..." << Bu::sio.nl;
31 return f;
32}
33
34class Options : public Bu::OptParser
35{
36public:
37 Options( int argc, char *argv[] ) :
38 eMode( modeNone ),
39 iBlockSize( 64 )
40 {
41 addHelpBanner("Options:");
42 addOption( sFile, 'f', "file", "Myriadfs file");
43 addOption( iBlockSize, 'b', "block-size",
44 "Specify the block size when initializing a new MyriadFs");
45
46 setNonOption( Bu::slot( this, &Options::nonOption ) );
47
48 addHelpOption();
49
50 parse( argc, argv );
51 }
52
53 int nonOption( Bu::Array<Bu::String> aParams )
54 {
55 if( eMode == modeNone )
56 {
57 //Bu::println("Checking mode");
58 // First param, must be the mode
59 if( aParams[0] == "ls" )
60 eMode = modeList;
61 else if( aParams[0] == "cat" )
62 eMode = modeCat;
63 else if( aParams[0] == "cp-in" )
64 eMode = modeCopyIn;
65 else if( aParams[0] == "cp-out" )
66 eMode = modeCopyOut;
67 else if( aParams[0] == "mkdir" )
68 eMode = modeMkdir;
69 else if( aParams[0] == "initialize" )
70 eMode = modeInitialize;
71 else if( aParams[0] == "rm" )
72 eMode = modeRm;
73 else
74 Bu::println("Unknown command, try --help");
75 return 0;
76 } else {
77 lParams.append( aParams[0] );
78 }
79 //Bu::println("Got option: \"%1\"").arg( aParams[0] );
80 return 0;
81 }
82
83 Mode eMode;
84 Bu::String sFile;
85 Bu::StringList lParams;
86 int iBlockSize;
87};
88
89int main( int argc, char *argv[] )
90{
91 Options opt( argc, argv );
92
93 if( opt.sFile.isEmpty() )
94 {
95 Bu::println("You must specify a MyriadFs stream (see -f).\n");
96 return 1;
97 }
98
99 if( opt.eMode == modeNone )
100 {
101 Bu::println("Specify an operation to perfrom.\n");
102 return 1;
103 }
104
105 int iFlags = Bu::File::ReadWrite;
106
107 if( opt.eMode == modeInitialize )
108 {
109 iFlags |= Bu::File::Create|Bu::File::Truncate;
110 }
111
112 Bu::File fFs( opt.sFile, iFlags );
113 Bu::MyriadFs mFs( fFs, opt.iBlockSize );
114
115 switch( opt.eMode )
116 {
117 case modeList:
118 {
119 Bu::String sPath = "/";
120 if( opt.lParams.getSize() > 0 )
121 {
122 sPath = opt.lParams.first();
123 }
124 Bu::MyriadFs::Dir lEnt = mFs.readDir( sPath );
125 for( Bu::MyriadFs::Dir::iterator i = lEnt.begin(); i; i++ )
126 {
127 Bu::String sPerm;
128 switch( (*i).uPerms&Bu::MyriadFs::typeMask )
129 {
130 case Bu::MyriadFs::typeDir: sPerm += "d"; break;
131 case Bu::MyriadFs::typeChrDev: sPerm += "c"; break;
132 case Bu::MyriadFs::typeBlkDev: sPerm += "b"; break;
133 case Bu::MyriadFs::typeSymLink: sPerm += "l"; break;
134 case Bu::MyriadFs::typeSocket: sPerm += "s"; break;
135 default: sPerm += "-"; break;
136 }
137 sPerm += ((*i).uPerms&Bu::MyriadFs::permUsrR)?"r":"-";
138 sPerm += ((*i).uPerms&Bu::MyriadFs::permUsrW)?"w":"-";
139 sPerm += ((*i).uPerms&Bu::MyriadFs::permUsrX)?"x":"-";
140 sPerm += ((*i).uPerms&Bu::MyriadFs::permGrpR)?"r":"-";
141 sPerm += ((*i).uPerms&Bu::MyriadFs::permGrpW)?"w":"-";
142 sPerm += ((*i).uPerms&Bu::MyriadFs::permGrpX)?"x":"-";
143 sPerm += ((*i).uPerms&Bu::MyriadFs::permOthR)?"r":"-";
144 sPerm += ((*i).uPerms&Bu::MyriadFs::permOthW)?"w":"-";
145 sPerm += ((*i).uPerms&Bu::MyriadFs::permOthX)?"x":"-";
146 Bu::println("%1 %2 %3:%4 %5 %6")
147 .arg( sPerm )
148 .arg( (*i).iNode )
149 .arg( (*i).iUser )
150 .arg( (*i).iGroup )
151 .arg( (*i).iSize )
152 .arg( (*i).sName );
153 }
154 }
155 break;
156
157 case modeCat:
158 {
159 if( opt.lParams.isEmpty() )
160 {
161 Bu::println("Specify at least one file.");
162 return 1;
163 }
164 int iBlockSize = 1024*1024;
165 char *pBuf = new char[iBlockSize];
166 for( Bu::StringList::iterator i = opt.lParams.begin(); i; i++ )
167 {
168 Bu::MyriadStream ms = mFs.open( *i, Bu::MyriadFs::Read );
169 int iRead = 0;
170 do
171 {
172 iRead = ms.read( pBuf, iBlockSize );
173 if( iRead > 0 )
174 {
175 Bu::sioRaw.write( pBuf, iRead );
176 }
177 } while( iRead == iBlockSize );
178 }
179 delete[] pBuf;
180 }
181 break;
182
183 case modeCopyIn:
184 {
185 if( opt.lParams.getSize() != 2 )
186 {
187 Bu::println("Specify a source file and destination file.");
188 return 1;
189 }
190 int iBlockSize = 1024*1024;
191 char *pBuf = new char[iBlockSize];
192 Bu::File fs = Bu::File(
193 opt.lParams.first(), Bu::File::Read );
194 Bu::MyriadStream ms = mFs.open(
195 opt.lParams.last(), Bu::MyriadFs::WriteNew );
196 int iRead = 0;
197 do
198 {
199 iRead = fs.read( pBuf, iBlockSize );
200 if( iRead > 0 )
201 {
202 ms.write( pBuf, iRead );
203 }
204 } while( iRead == iBlockSize );
205 delete[] pBuf;
206 }
207 break;
208
209 case modeCopyOut:
210 {
211 if( opt.lParams.getSize() != 2 )
212 {
213 Bu::println("Specify a source file and destination file.");
214 return 1;
215 }
216 int iBlockSize = 1024*1024;
217 char *pBuf = new char[iBlockSize];
218 Bu::MyriadStream ms = mFs.open(
219 opt.lParams.first(), Bu::MyriadFs::Read );
220 Bu::File fs = Bu::File(
221 opt.lParams.last(), Bu::File::WriteNew );
222 int iRead = 0;
223 do
224 {
225 iRead = ms.read( pBuf, iBlockSize );
226 if( iRead > 0 )
227 {
228 fs.write( pBuf, iRead );
229 }
230 } while( iRead == iBlockSize );
231 delete[] pBuf;
232 }
233 break;
234
235 case modeMkdir:
236 {
237 if( opt.lParams.isEmpty() )
238 {
239 Bu::println("Specify at least one directory.");
240 return 1;
241 }
242 for( Bu::StringList::iterator i = opt.lParams.begin(); i; i++ )
243 {
244 mFs.mkDir( *i, 0777 );
245 }
246 }
247 break;
248
249 case modeInitialize:
250 Bu::println("MyriadFs initialized.\n");
251 break;
252
253 case modeRm:
254 {
255 if( opt.lParams.getSize() != 1 )
256 {
257 Bu::println("Specify a file path.");
258 return 1;
259 }
260 mFs.unlink( opt.lParams.first() );
261 }
262 break;
263
264 case modeNone:
265 break;
266 }
267
268 return 0;
269}