1 | #include "fileCopier.h"
|
---|
2 |
|
---|
3 | #include <stdlib.h>
|
---|
4 | #include <stdio.h>
|
---|
5 | //#include <dir.h>
|
---|
6 | #include <direct.h>
|
---|
7 |
|
---|
8 | fileCopySet::fileCopySet()
|
---|
9 | {
|
---|
10 | // do we need this - they're FilePath's, not pointers
|
---|
11 | // this->sourceDir = NULL;
|
---|
12 | // this->destDir = NULL;
|
---|
13 | }
|
---|
14 |
|
---|
15 | fileCopySet::fileCopySet(FileVector files, FilePath &from, FilePath &to)
|
---|
16 | {
|
---|
17 | this->fileList = files;
|
---|
18 | this->sourceDir = from;
|
---|
19 | this->destDir = to;
|
---|
20 | this->dataSize = 0;
|
---|
21 |
|
---|
22 | FileVector::iterator here = files.begin();
|
---|
23 | FileVector::iterator end = files.end();
|
---|
24 |
|
---|
25 | while (here != end)
|
---|
26 | {
|
---|
27 | this->dataSize += here->getFileSize();
|
---|
28 | here ++;
|
---|
29 | }
|
---|
30 | }
|
---|
31 |
|
---|
32 | /**
|
---|
33 | * Get the destination file name for a given source file; source and destination
|
---|
34 | * directory locations are obtained from the object
|
---|
35 | */
|
---|
36 | char *fileCopySet::destination(File *file)
|
---|
37 | {
|
---|
38 | const char *oldname = file->cString();
|
---|
39 | char *newname = (char *) malloc(strlen(oldname) - strlen(this->sourceDir.cString()) + strlen(this->destDir.cString()) + 1);
|
---|
40 |
|
---|
41 | if (newname != NULL)
|
---|
42 | {
|
---|
43 | strcpy(newname, this->destDir.cString());
|
---|
44 | strcat(newname, &oldname[strlen(this->sourceDir.cString())]);
|
---|
45 | }
|
---|
46 |
|
---|
47 | return newname;
|
---|
48 | }
|
---|
49 |
|
---|
50 | /**
|
---|
51 | * Copy a particular file to its destination
|
---|
52 | */
|
---|
53 | bool fileCopySet::copyFile(File *file, fileCopyMonitor *monitor, copyProgressBar &progressBar)
|
---|
54 | {
|
---|
55 | unsigned long copied = 0;
|
---|
56 | unsigned long bytes_read, bytes_written;
|
---|
57 | unsigned char buffer[65536];
|
---|
58 | FILE *read_handle, *write_handle;
|
---|
59 | char *destination;
|
---|
60 |
|
---|
61 | // get destination as a char[] block; will free it later
|
---|
62 | destination = this->destination(file);
|
---|
63 |
|
---|
64 | FilePath destPath(destination);
|
---|
65 | FilePath *destDir = destPath.parent();
|
---|
66 | if (!destDir->ensureWriteablePath())
|
---|
67 | { delete destDir;
|
---|
68 | return false;
|
---|
69 | }
|
---|
70 | delete destDir;
|
---|
71 |
|
---|
72 | // get read and write file handles
|
---|
73 | read_handle = fopen(file->cString(), "rb");
|
---|
74 | if (read_handle == NULL)
|
---|
75 | {
|
---|
76 | return false;
|
---|
77 | }
|
---|
78 | write_handle = fopen(destination, "wb");
|
---|
79 | if (write_handle == NULL)
|
---|
80 | {
|
---|
81 | fclose(read_handle);
|
---|
82 | return false;
|
---|
83 | }
|
---|
84 |
|
---|
85 | while (copied < file->getFileSize())
|
---|
86 | {
|
---|
87 | // TODO: lock
|
---|
88 | // read so many bytes
|
---|
89 | if (file->getFileSize() - copied < 65536)
|
---|
90 | {
|
---|
91 | bytes_read = file->getFileSize() - copied;
|
---|
92 | }
|
---|
93 | else
|
---|
94 | {
|
---|
95 | bytes_read = 65536;
|
---|
96 | }
|
---|
97 | bytes_read = fread((void *) buffer, 1, bytes_read, read_handle);
|
---|
98 |
|
---|
99 | // write so many bytes
|
---|
100 | bytes_written = fwrite((void *) buffer, 1, bytes_read, write_handle);
|
---|
101 |
|
---|
102 | // TODO: unlock
|
---|
103 |
|
---|
104 | // note new bytes copied
|
---|
105 | copied += bytes_written;
|
---|
106 | this->dataSize += bytes_written;
|
---|
107 | }
|
---|
108 | fclose(read_handle);
|
---|
109 | fclose(write_handle);
|
---|
110 |
|
---|
111 | // free destination filename text
|
---|
112 | if (monitor != NULL)
|
---|
113 | {
|
---|
114 | monitor->copied(file->cString(), destination, false);
|
---|
115 | }
|
---|
116 | delete destination;
|
---|
117 | return true;
|
---|
118 | }
|
---|
119 |
|
---|
120 | /**
|
---|
121 | * Copy a file "object" (may be a directory or a "proper" file) to it's
|
---|
122 | * destination
|
---|
123 | */
|
---|
124 | void fileCopySet::copy(File *file, fileCopyMonitor *monitor, copyProgressBar &progressBar)
|
---|
125 | {
|
---|
126 | // just skip this file if it doesn't exist
|
---|
127 | if (file->exists() == false)
|
---|
128 | {
|
---|
129 | return;
|
---|
130 | }
|
---|
131 |
|
---|
132 | // if a directory, scan it.
|
---|
133 | if (file->isDirectory())
|
---|
134 | {
|
---|
135 | // create directory
|
---|
136 | char *thisDestDir = this->destination(file);
|
---|
137 | _mkdir(thisDestDir);
|
---|
138 |
|
---|
139 | // note amount of data copied
|
---|
140 | // this->copied += file->getRawFileSize();
|
---|
141 |
|
---|
142 | // note for uninstall the action done
|
---|
143 | if (monitor != NULL)
|
---|
144 | {
|
---|
145 | monitor->copied(file->cString(), thisDestDir, true);
|
---|
146 | }
|
---|
147 |
|
---|
148 | // copy children
|
---|
149 | vector<File>::iterator here = file->childBegin();
|
---|
150 | vector<File>::iterator end = file->childEnd();
|
---|
151 | while (here != end)
|
---|
152 | {
|
---|
153 | this->copy(here, monitor, progressBar);
|
---|
154 | here ++;
|
---|
155 | }
|
---|
156 |
|
---|
157 | // delete constructed destination name
|
---|
158 | delete thisDestDir;
|
---|
159 | }
|
---|
160 |
|
---|
161 | // not a directory; just copy the file
|
---|
162 | else
|
---|
163 | {
|
---|
164 | // copy file itself
|
---|
165 | this->copyFile(file, monitor, progressBar);
|
---|
166 | }
|
---|
167 |
|
---|
168 | progressBar.done(file->getRawFileSize());
|
---|
169 | }
|
---|
170 |
|
---|
171 | void fileCopySet::copy(fileCopyMonitor *monitor, copyProgressBar &progressBar)
|
---|
172 | {
|
---|
173 | FileVector::iterator here = fileList.begin();
|
---|
174 | FileVector::iterator end = fileList.end();
|
---|
175 | while (here != end)
|
---|
176 | {
|
---|
177 | this->copy(here, monitor, progressBar);
|
---|
178 | here ++;
|
---|
179 | }
|
---|
180 | }
|
---|
181 |
|
---|
182 | unsigned long fileCopySet::getCopiedSize(DiskSpace &space)
|
---|
183 | {
|
---|
184 | // initialise counters for size
|
---|
185 | unsigned long copiedSize = 0;
|
---|
186 |
|
---|
187 | // iterate through our list of files to obtain total space requirement
|
---|
188 | FileVector::iterator here = fileList.begin();
|
---|
189 | FileVector::iterator end = fileList.end();
|
---|
190 | while (here != end)
|
---|
191 | {
|
---|
192 | copiedSize += here->getDiskSpace(space);
|
---|
193 | here ++;
|
---|
194 | }
|
---|
195 | return copiedSize;
|
---|
196 | }
|
---|
197 |
|
---|
198 | unsigned long fileCopySet::getOriginalSize()
|
---|
199 | {
|
---|
200 | // initialise counters for size
|
---|
201 | return this->dataSize;
|
---|
202 | }
|
---|
203 |
|
---|
204 | /**
|
---|
205 | * Perform a check on the total space available at the destination; if not
|
---|
206 | * enough then return false to indicate the error state
|
---|
207 | */
|
---|
208 | bool fileCopier::checkSpace()
|
---|
209 | {
|
---|
210 | fileCopySetList localSet = this->list;
|
---|
211 |
|
---|
212 | do
|
---|
213 | {
|
---|
214 | unsigned int i = 0;
|
---|
215 |
|
---|
216 | // get destination root and use it to obtain space check information
|
---|
217 | FilePath *destRoot = localSet[0].destDir.root();
|
---|
218 | DiskSpace space(destRoot->cString());
|
---|
219 |
|
---|
220 | // check that diskspace checking is functional
|
---|
221 | if (space.initialisedOk() == false)
|
---|
222 | {
|
---|
223 | delete destRoot;
|
---|
224 | return false;
|
---|
225 | }
|
---|
226 |
|
---|
227 | // get size of the first set
|
---|
228 | unsigned long copiedSize = localSet[0].getCopiedSize(space);
|
---|
229 |
|
---|
230 | // dispose of the first set
|
---|
231 | localSet.erase(localSet.begin());
|
---|
232 |
|
---|
233 | // get all remaining sets and in turn if they share the root with
|
---|
234 | // the first root, add their size to the count and remove them from
|
---|
235 | // the local list of sets; otherwise skip
|
---|
236 | while (i < localSet.size())
|
---|
237 | {
|
---|
238 | // get a new root object for this set's destination
|
---|
239 | FilePath *p = localSet[i].destDir.root();
|
---|
240 |
|
---|
241 | if (*destRoot == *p)
|
---|
242 | {
|
---|
243 | copiedSize += localSet[i].getCopiedSize(space);
|
---|
244 | localSet.erase(localSet.begin() + i);
|
---|
245 | }
|
---|
246 | else
|
---|
247 | {
|
---|
248 | i ++;
|
---|
249 | }
|
---|
250 |
|
---|
251 | // delete the constructed root
|
---|
252 | delete p;
|
---|
253 | }
|
---|
254 |
|
---|
255 | // dispose of destination root
|
---|
256 | delete destRoot;
|
---|
257 |
|
---|
258 | // return false if not enough space
|
---|
259 | if (space.totalFreeSpace() < copiedSize)
|
---|
260 | {
|
---|
261 | return false;
|
---|
262 | }
|
---|
263 |
|
---|
264 | } while (localSet.size() != 0);
|
---|
265 |
|
---|
266 |
|
---|
267 | // record size and initialise the progressbar with the same
|
---|
268 | this->dataSize = 0;
|
---|
269 | for (unsigned int i = 0; i < this->list.size(); i ++)
|
---|
270 | {
|
---|
271 | this->dataSize += this->list[i].getOriginalSize();
|
---|
272 | }
|
---|
273 | this->progressBar.init(this->dataSize);
|
---|
274 |
|
---|
275 | // return postive check
|
---|
276 | return true;
|
---|
277 | }
|
---|
278 |
|
---|
279 | fileCopier::fileCopier(fileCopyMonitor *monitor, fileCopySetList &_list)
|
---|
280 | {
|
---|
281 | this->list = _list;
|
---|
282 | this->dataSize = 0;
|
---|
283 | this->copied = 0;
|
---|
284 | this->monitor = monitor;
|
---|
285 | }
|
---|
286 |
|
---|
287 | fileCopier::fileCopier(fileCopyMonitor *monitor)
|
---|
288 | {
|
---|
289 | this->dataSize = 0;
|
---|
290 | this->copied = 0;
|
---|
291 | this->monitor = monitor;
|
---|
292 | }
|
---|
293 |
|
---|
294 | void fileCopier::copy()
|
---|
295 | {
|
---|
296 | fileCopySetList::iterator here = list.begin();
|
---|
297 | fileCopySetList::iterator end = list.end();
|
---|
298 |
|
---|
299 | this->progressBar.show();
|
---|
300 | while (here != end)
|
---|
301 | {
|
---|
302 | here->copy(this->monitor, this->progressBar);
|
---|
303 | here ++;
|
---|
304 | }
|
---|
305 |
|
---|
306 | this->progressBar.close();
|
---|
307 | }
|
---|