[11664] | 1 | #include "fileCopier.h"
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| 2 |
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| 3 | #include <stdlib.h>
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| 4 | #include <stdio.h>
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| 5 | //#include <dir.h>
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| 6 | #include <direct.h>
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| 7 |
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| 8 | #include <fstream.h>
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| 9 |
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| 10 | fileCopySet::fileCopySet()
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| 11 | {
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| 12 | // do we need this - they're FilePath's, not pointers
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| 13 | // this->sourceDir = NULL;
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| 14 | // this->destDir = NULL;
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| 15 | }
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| 16 |
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| 17 | fileCopySet::fileCopySet(string label, FileVector files, FilePath &from, FilePath &to)
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| 18 | {
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| 19 | this->fileList = files;
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| 20 | this->sourceDir = from;
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| 21 | this->label = label;
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| 22 | this->destDir = to;
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| 23 | this->dataSize = 0;
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| 24 | this->dataFiles = 0;
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| 25 |
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| 26 | FileVector::iterator here = files.begin();
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| 27 | FileVector::iterator end = files.end();
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| 28 |
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| 29 | while (here != end)
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| 30 | {
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| 31 | unsigned long size, files;
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| 32 | here->getFileSize(size, files);
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| 33 | this->dataSize += size;
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| 34 | this->dataFiles += files;
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| 35 | here ++;
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| 36 | }
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| 37 | }
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| 38 |
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| 39 | /**
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| 40 | * Get the destination file name for a given source file; source and destination
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| 41 | * directory locations are obtained from the object
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| 42 | */
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| 43 | char *fileCopySet::destination(File *file)
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| 44 | {
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| 45 | const char *oldname = file->cString();
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| 46 | char *newname = (char *) malloc(strlen(oldname) - strlen(this->sourceDir.cString()) + strlen(this->destDir.cString()) + 1);
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| 47 |
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| 48 | if (newname != NULL)
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| 49 | {
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| 50 | strcpy(newname, this->destDir.cString());
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| 51 | strcat(newname, &oldname[strlen(this->sourceDir.cString())]);
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| 52 | }
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| 53 |
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| 54 | return newname;
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| 55 | }
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| 56 |
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| 57 | bool fileCopySet::ensureParent(FilePath &child, fileCopyMonitor *monitor)
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| 58 | { FilePath *parentName = child.parent();
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| 59 |
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| 60 | // check for existence of parent
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| 61 | if (parentName->exists() == false)
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| 62 | { // ensure the grandparent exists
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| 63 | if (!this->ensureParent(*parentName, monitor))
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| 64 | { return false;
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| 65 | }
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| 66 |
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| 67 | // create parent directory
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| 68 | _mkdir(parentName->cString());
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| 69 |
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| 70 | // log the creation - we don't give a source - it's not needed for directories
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| 71 | if (monitor != NULL)
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| 72 | { monitor->createdDir(parentName->cString());
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| 73 | }
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| 74 | }
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| 75 | delete parentName;
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| 76 | return true;
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| 77 | }
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| 78 |
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| 79 | /**
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| 80 | * Copy a particular file to its destination
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| 81 | */
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| 82 | bool fileCopySet::copyFile(File *file, fileCopyMonitor *monitor, copyProgressBar *progressBar)
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| 83 | {
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| 84 | unsigned long copied = 0;
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| 85 | unsigned long bytes_read, bytes_written;
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| 86 | static unsigned char buffer[65536];
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| 87 | FILE *read_handle, *write_handle;
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| 88 | char *destination;
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| 89 |
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| 90 | // get destination as a char[] block; will free it later
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| 91 | destination = this->destination(file);
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| 92 |
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| 93 | // ensure that the parent exists, as some install requirements are for files with
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| 94 | // directory paths which may not preexist
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| 95 | FilePath destPath(destination);
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| 96 | this->ensureParent(destPath, monitor);
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| 97 |
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| 98 | // get read and write file handles
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| 99 | read_handle = fopen(file->cString(), "rb");
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| 100 | if (read_handle == NULL)
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| 101 | {
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| 102 | return false;
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| 103 | }
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| 104 | write_handle = fopen(destination, "wb");
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| 105 | if (write_handle == NULL)
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| 106 | {
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| 107 | fclose(read_handle);
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| 108 | return false;
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| 109 | }
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| 110 |
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| 111 | while (copied < file->getFileSize())
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| 112 | {
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| 113 | // TODO: lock
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| 114 | // read so many bytes
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| 115 | if (file->getFileSize() - copied < 65536)
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| 116 | {
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| 117 | bytes_read = file->getFileSize() - copied;
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| 118 | }
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| 119 | else
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| 120 | {
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| 121 | bytes_read = 65536;
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| 122 | }
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| 123 | bytes_read = fread((void *) buffer, 1, bytes_read, read_handle);
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| 124 |
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| 125 | // write so many bytes
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| 126 | bytes_written = fwrite((void *) buffer, 1, bytes_read, write_handle);
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| 127 |
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| 128 | // TODO: unlock
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| 129 |
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| 130 | // note new bytes copied
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| 131 | copied += bytes_written;
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| 132 | // this->dataSize += bytes_written;
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| 133 | }
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| 134 | fclose(read_handle);
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| 135 | fclose(write_handle);
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| 136 |
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| 137 | // this->dataFiles += 1;
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| 138 |
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| 139 | // free destination filename text
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| 140 | if (monitor != NULL)
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| 141 | {
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| 142 | monitor->copiedFile(file->cString(), destination);
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| 143 | }
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| 144 | delete destination;
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| 145 | return true;
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| 146 | }
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| 147 |
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| 148 | /**
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| 149 | * Copy a file "object" (may be a directory or a "proper" file) to it's
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| 150 | * destination
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| 151 | */
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| 152 | void fileCopySet::copy(File *file, fileCopyMonitor *monitor, copyProgressBar *progressBar)
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| 153 | {
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| 154 | // just skip this file if it doesn't exist
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| 155 | if (file->exists() == false)
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| 156 | {
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| 157 | return;
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| 158 | }
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| 159 |
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| 160 | // if a directory, scan it.
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| 161 | if (file->isDirectory())
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| 162 | {
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| 163 | // get destination directory
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| 164 | char *thisDestDir = this->destination(file);
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| 165 | FilePath destPath(thisDestDir);
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| 166 |
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| 167 | // create a directory if needsbe
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| 168 | if (destPath.exists() == false)
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| 169 | {
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| 170 | _mkdir(thisDestDir);
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| 171 |
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| 172 | // note amount of data copied
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| 173 | // this->copied += file->getRawFileSize();
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| 174 |
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| 175 | // note for uninstall the action done
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| 176 | if (monitor != NULL)
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| 177 | {
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| 178 | monitor->copiedDir(destPath.pathString());
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| 179 | }
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| 180 | }
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| 181 |
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| 182 | // copy children
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| 183 | vector<File>::iterator here = file->childBegin();
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| 184 | vector<File>::iterator end = file->childEnd();
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| 185 | while (here != end)
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| 186 | {
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| 187 | this->copy(here, monitor, progressBar);
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| 188 | here ++;
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| 189 | }
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| 190 |
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| 191 | // delete constructed destination name
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| 192 | delete thisDestDir;
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| 193 | }
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| 194 |
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| 195 | // not a directory; just copy the file
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| 196 | else
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| 197 | {
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| 198 | // copy file itself
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| 199 | this->copyFile(file, monitor, progressBar);
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| 200 | }
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| 201 |
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| 202 | if (progressBar != NULL)
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| 203 | { progressBar->done(file->getRawFileSize());
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| 204 | }
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| 205 | }
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| 206 |
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| 207 | void fileCopySet::copy(fileCopyMonitor *monitor, copyProgressBar *progressBar)
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| 208 | {
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| 209 | FileVector::iterator here = fileList.begin();
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| 210 | FileVector::iterator end = fileList.end();
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| 211 | while (here != end)
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| 212 | {
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| 213 | this->copy(here, monitor, progressBar);
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| 214 | here ++;
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| 215 | }
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| 216 | }
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| 217 |
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[15927] | 218 | unsigned double fileCopySet::getCopiedSize(DiskSpace &space)
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[11664] | 219 | {
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| 220 | // initialise counters for size
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| 221 | unsigned long copiedSize = 0;
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| 222 |
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| 223 | // iterate through our list of files to obtain total space requirement
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| 224 | FileVector::iterator here = fileList.begin();
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| 225 | FileVector::iterator end = fileList.end();
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| 226 | while (here != end)
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| 227 | {
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| 228 | copiedSize += here->getDiskSpace(space);
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| 229 | here ++;
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| 230 | }
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[15927] | 231 | return (double) copiedSize / (double) 1024;
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[11664] | 232 | }
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| 233 |
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| 234 | unsigned long fileCopySet::getOriginalSize()
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| 235 | {
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| 236 | // initialise counters for size
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| 237 | return this->dataSize;
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| 238 | }
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| 239 |
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| 240 | unsigned long fileCopySet::getOriginalFiles()
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| 241 | {
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| 242 | // initialise counters for size
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| 243 | return this->dataFiles;
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| 244 | }
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| 245 |
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| 246 | /**
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| 247 | * Perform a check on the total space available at the destination; if not
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| 248 | * enough then return false to indicate the error state
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| 249 | */
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| 250 | bool fileCopier::checkSpace()
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| 251 | {
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| 252 | fileCopySetList localSet = this->list;
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| 253 |
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| 254 | this->progressBar.message("Checking disk space requirements");
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| 255 |
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| 256 | do
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| 257 | {
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| 258 | unsigned int i = 0;
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| 259 |
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| 260 | // get destination root and use it to obtain space check information
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| 261 | FilePath *destRoot = localSet[0].destDir.root();
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| 262 | DiskSpace space(destRoot->cString());
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| 263 |
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| 264 | // check that diskspace checking is functional
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| 265 | if (space.initialisedOk() == false)
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| 266 | {
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| 267 | delete destRoot;
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| 268 | return false;
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| 269 | }
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| 270 |
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| 271 | // get size of the first set
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| 272 | unsigned long copiedSize = localSet[0].getCopiedSize(space);
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| 273 |
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| 274 | // dispose of the first set
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| 275 | localSet.erase(localSet.begin());
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| 276 |
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| 277 | // get all remaining sets and in turn if they share the root with
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| 278 | // the first root, add their size to the count and remove them from
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| 279 | // the local list of sets; otherwise skip
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| 280 | while (i < localSet.size())
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| 281 | {
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| 282 | // get a new root object for this set's destination
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| 283 | FilePath *p = localSet[i].destDir.root();
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| 284 |
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| 285 | if (*destRoot == *p)
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| 286 | {
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| 287 | copiedSize += localSet[i].getCopiedSize(space);
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| 288 | localSet.erase(localSet.begin() + i);
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| 289 | }
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| 290 | else
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| 291 | {
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| 292 | i ++;
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| 293 | }
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| 294 |
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| 295 | // delete the constructed root
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| 296 | delete p;
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| 297 | }
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| 298 |
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| 299 | // dispose of destination root
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| 300 | delete destRoot;
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| 301 |
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| 302 | // return false if not enough space
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| 303 | if (space.totalFreeSpace() < copiedSize)
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| 304 | {
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[15927] | 305 | char buffer[100];
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| 306 | sprintf(buffer, "Total free space on disk %3.1fMb, but the size of the copied collection is %3.1fMb", (double) space.totalFreeSpace() / (double) (1024), (double) copiedSize / (double) (1024));
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| 307 | MessageBox(0, buffer, "Greenstone Installer", MB_OK);
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| 308 |
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[11664] | 309 | return false;
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| 310 | }
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| 311 |
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| 312 | } while (localSet.size() != 0);
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| 313 |
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| 314 |
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| 315 | // record size and initialise the progressbar with the same
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| 316 | this->dataSize = 0;
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| 317 | this->dataFiles = 0;
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| 318 | for (unsigned int i = 0; i < this->list.size(); i ++)
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| 319 | {
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| 320 | this->dataSize += this->list[i].getOriginalSize();
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| 321 | this->dataFiles += this->list[i].getOriginalFiles();
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| 322 | }
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| 323 | this->progressBar.init(this->dataSize, this->dataFiles);
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| 324 |
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| 325 | // return postive check
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| 326 | return true;
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| 327 | }
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| 328 |
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| 329 | fileCopier::fileCopier(fileCopyMonitor *monitor, fileCopySetList &_list)
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| 330 | {
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| 331 | this->list = _list;
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| 332 | this->dataSize = 0;
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| 333 | this->copied = 0;
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| 334 | this->dataFiles = 0;
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| 335 | this->monitor = monitor;
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| 336 |
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| 337 | this->progressBar.show();
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| 338 | this->progressBar.message("Initialising");
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| 339 | }
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| 340 |
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| 341 | fileCopier::fileCopier(fileCopyMonitor *monitor)
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| 342 | {
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| 343 | this->dataSize = 0;
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| 344 | this->copied = 0;
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| 345 | this->dataFiles = 0;
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| 346 | this->monitor = monitor;
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| 347 |
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| 348 | this->progressBar.show();
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| 349 | this->progressBar.message("Initialising");
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| 350 | }
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| 351 |
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| 352 | void fileCopier::addSet(fileCopySet &set)
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| 353 | { this->list.push_back(set);
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| 354 | this->progressBar.message("Gathering files to copy");
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| 355 | }
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| 356 |
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| 357 | // Do the actual file copy
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| 358 | void fileCopier::copy()
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| 359 | {
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| 360 | fileCopySetList::iterator here = list.begin();
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| 361 | fileCopySetList::iterator end = list.end();
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| 362 |
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| 363 | // Tell the user what is happening
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| 364 | char buffer[100];
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| 365 | sprintf(buffer, "Copying %3.1fMb of files", (double) this->dataSize / (double) (1024 * 1024));
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| 366 | this->progressBar.message(buffer);
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| 367 | this->progressBar.setStartTime();
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| 368 |
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| 369 | // Copy each file set individually, using the progress bar as a monitor
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| 370 | while (here != end)
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| 371 | {
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| 372 | here->copy(this->monitor, &this->progressBar);
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| 373 | here ++;
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| 374 | }
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| 375 |
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| 376 | // Close the progress bar, as it is no longer needed
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| 377 | this->progressBar.close();
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| 378 | }
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