mirror of
https://github.com/DarkflameUniverse/DarkflameServer.git
synced 2024-12-23 05:53:34 +00:00
693 lines
18 KiB
C++
693 lines
18 KiB
C++
#include "FileList.h"
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#include <stdio.h> // printf
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#include <assert.h>
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#if defined(_WIN32) || defined(__CYGWIN__)
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#include <io.h>
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#elif !defined ( __APPLE__ ) && !defined ( __APPLE_CC__ ) && !defined ( __PPC__ ) && !defined ( __FreeBSD__ )
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#include <sys/io.h>
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#endif
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#include "DS_Queue.h"
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#ifdef _WIN32
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// For mkdir
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#include <direct.h>
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#else
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#include <sys/stat.h>
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#endif
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//#include "SHA1.h"
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#include "StringCompressor.h"
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#include "BitStream.h"
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#include "FileOperations.h"
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#include "SuperFastHash.h"
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#include "RakAssert.h"
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#include "LinuxStrings.h"
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#define MAX_FILENAME_LENGTH 512
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static const unsigned HASH_LENGTH=sizeof(unsigned int);
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// alloca
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#ifdef _XBOX360
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#elif defined(_WIN32)
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#include <malloc.h>
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#else
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#if !defined ( __FreeBSD__ )
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#include <alloca.h>
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#endif
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include "_FindFirst.h"
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#include <stdint.h> //defines intptr_t
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#endif
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//int RAK_DLL_EXPORT FileListNodeComp( char * const &key, const FileListNode &data )
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//{
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// return strcmp(key, data.filename);
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//}
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#ifdef _MSC_VER
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#pragma warning( push )
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#endif
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/// First callback called when FileList::AddFilesFromDirectory() starts
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void FLP_Printf::OnAddFilesFromDirectoryStarted(FileList *fileList, char *dir) {
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(void) fileList;
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printf("Adding files from directory %s\n",dir);}
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/// Called for each directory, when that directory begins processing
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void FLP_Printf::OnDirectory(FileList *fileList, char *dir, unsigned int directoriesRemaining) {
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(void) fileList;
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printf("Adding %s. %i remaining.\n", dir, directoriesRemaining);}
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FileList::FileList()
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{
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callback=0;
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}
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FileList::~FileList()
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{
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Clear();
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}
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void FileList::AddFile(const char *filepath, const char *filename, unsigned char context)
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{
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if (filepath==0 || filename==0)
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return;
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char *data;
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//std::fstream file;
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//file.open(filename, std::ios::in | std::ios::binary);
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FILE *fp = fopen(filepath, "rb");
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if (fp==0)
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return;
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fseek(fp, 0, SEEK_END);
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int length = ftell(fp);
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fseek(fp, 0, SEEK_SET);
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if (length > (int) ((unsigned int)-1 / 8))
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{
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// If this assert hits, split up your file. You could also change BitSize_t in RakNetTypes.h to unsigned long long but this is not recommended for performance reasons
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assert("Cannot add files over 536 MB" && 0);
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fclose(fp);
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return;
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}
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#if !defined(_XBOX360)
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bool usedAlloca=false;
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if (length < MAX_ALLOCA_STACK_ALLOCATION)
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{
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data = ( char* ) alloca( length );
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usedAlloca=true;
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}
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else
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#endif
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{
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data = (char*) rakMalloc( length );
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}
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fread(data, 1, length, fp);
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AddFile(filename, data, length, length, context);
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fclose(fp);
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#if !defined(_XBOX360)
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if (usedAlloca==false)
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#endif
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rakFree(data);
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}
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void FileList::AddFile(const char *filename, const char *data, const unsigned dataLength, const unsigned fileLength, unsigned char context)
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{
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if (filename==0)
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return;
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if (strlen(filename)>MAX_FILENAME_LENGTH)
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{
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// Should be enough for anyone
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assert(0);
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return;
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}
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// Avoid duplicate insertions unless the data is different, in which case overwrite the old data
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unsigned i;
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for (i=0; i<fileList.Size();i++)
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{
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if (strcmp(fileList[i].filename, filename)==0)
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{
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if (fileList[i].fileLengthBytes==fileLength && fileList[i].dataLengthBytes==dataLength &&
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(dataLength==0 || memcmp(fileList[i].data, data, dataLength)==0))
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// Exact same file already here
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return;
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// File of the same name, but different contents, so overwrite
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rakFree(fileList[i].data);
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rakFree(fileList[i].filename);
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fileList.RemoveAtIndex(i);
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break;
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}
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}
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FileListNode n;
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n.filename=(char*) rakMalloc( strlen(filename)+1 );
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if (dataLength)
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{
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n.data=(char*) rakMalloc( dataLength );
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memcpy(n.data, data, dataLength);
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}
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else
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n.data=0;
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n.dataLengthBytes=dataLength;
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n.fileLengthBytes=fileLength;
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n.context=context;
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strcpy(n.filename, filename);
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fileList.Insert(n);
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}
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void FileList::AddFilesFromDirectory(const char *applicationDirectory, const char *subDirectory, bool writeHash, bool writeData, bool recursive, unsigned char context)
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{
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DataStructures::Queue<char*> dirList;
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char root[260];
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char fullPath[520];
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_finddata_t fileInfo;
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intptr_t dir;
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FILE *fp;
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char *dirSoFar, *fileData;
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dirSoFar=(char*) rakMalloc( 520 );
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if (applicationDirectory)
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strcpy(root, applicationDirectory);
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else
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root[0]=0;
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int rootLen=(int)strlen(root);
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if (rootLen)
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{
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strcpy(dirSoFar, root);
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if (FixEndingSlash(dirSoFar))
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rootLen++;
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}
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else
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dirSoFar[0]=0;
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if (subDirectory)
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{
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strcat(dirSoFar, subDirectory);
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FixEndingSlash(dirSoFar);
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}
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if (callback)
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callback->OnAddFilesFromDirectoryStarted(this, dirSoFar);
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// printf("Adding files from directory %s\n",dirSoFar);
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dirList.Push(dirSoFar);
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while (dirList.Size())
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{
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dirSoFar=dirList.Pop();
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strcpy(fullPath, dirSoFar);
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// Changed from *.* to * for Linux compatibility
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strcat(fullPath, "*");
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dir=_findfirst(fullPath, &fileInfo );
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if (dir==-1)
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{
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_findclose(dir);
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rakFree(dirSoFar);
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unsigned i;
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for (i=0; i < dirList.Size(); i++)
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rakFree(dirList[i]);
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return;
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}
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// printf("Adding %s. %i remaining.\n", fullPath, dirList.Size());
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if (callback)
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callback->OnDirectory(this, fullPath, dirList.Size());
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do
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{
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// no guarantee these entries are first...
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if (strcmp("." , fileInfo.name) == 0 ||
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strcmp("..", fileInfo.name) == 0)
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{
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continue;
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}
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if ((fileInfo.attrib & (_A_HIDDEN | _A_SUBDIR | _A_SYSTEM))==0)
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{
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strcpy(fullPath, dirSoFar);
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strcat(fullPath, fileInfo.name);
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fileData=0;
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if (callback)
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callback->OnFile(this, dirSoFar, fileInfo.name, fileInfo.size);
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if (writeData && writeHash)
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{
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fileData= (char*) rakMalloc( fileInfo.size+HASH_LENGTH );
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fp = fopen(fullPath, "rb");
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fread(fileData+HASH_LENGTH, fileInfo.size, 1, fp);
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fclose(fp);
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unsigned int hash = SuperFastHash(fileData+HASH_LENGTH, fileInfo.size);
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memcpy(fileData, &hash, HASH_LENGTH);
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// sha1.Reset();
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// sha1.Update( ( unsigned char* ) fileData+HASH_LENGTH, fileInfo.size );
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// sha1.Final();
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// memcpy(fileData, sha1.GetHash(), HASH_LENGTH);
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// File data and hash
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AddFile((const char*)fullPath+rootLen, fileData, fileInfo.size+HASH_LENGTH, fileInfo.size, context);
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}
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else if (writeHash)
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{
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// sha1.Reset();
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// sha1.HashFile((char*)fullPath);
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// sha1.Final();
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unsigned int hash = SuperFastHashFile(fullPath);
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// Hash only
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// AddFile((const char*)fullPath+rootLen, (const char*)sha1.GetHash(), HASH_LENGTH, fileInfo.size, context);
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AddFile((const char*)fullPath+rootLen, (const char*)&hash, HASH_LENGTH, fileInfo.size, context);
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}
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else if (writeData)
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{
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fileData= (char*) rakMalloc( fileInfo.size );
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fp = fopen(fullPath, "rb");
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fread(fileData, fileInfo.size, 1, fp);
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fclose(fp);
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// File data only
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AddFile(fullPath+rootLen, fileData, fileInfo.size, fileInfo.size, context);
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}
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else
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{
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// Just the filename
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AddFile(fullPath+rootLen, 0, 0, fileInfo.size, context);
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}
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if (fileData)
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rakFree(fileData);
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}
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else if ((fileInfo.attrib & _A_SUBDIR) && (fileInfo.attrib & (_A_HIDDEN | _A_SYSTEM))==0 && recursive)
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{
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char *newDir=(char*) rakMalloc( 520 );
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strcpy(newDir, dirSoFar);
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strcat(newDir, fileInfo.name);
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strcat(newDir, "/");
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dirList.Push(newDir);
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}
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} while (_findnext(dir, &fileInfo ) != -1);
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_findclose(dir);
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rakFree(dirSoFar);
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}
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}
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void FileList::Clear(void)
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{
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unsigned i;
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for (i=0; i<fileList.Size(); i++)
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{
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rakFree(fileList[i].data);
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rakFree(fileList[i].filename);
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}
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fileList.Clear();
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}
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void FileList::Serialize(RakNet::BitStream *outBitStream)
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{
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outBitStream->WriteCompressed(fileList.Size());
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unsigned i;
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for (i=0; i < fileList.Size(); i++)
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{
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outBitStream->WriteCompressed(fileList[i].context);
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stringCompressor->EncodeString(fileList[i].filename, MAX_FILENAME_LENGTH, outBitStream);
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outBitStream->Write((bool)(fileList[i].dataLengthBytes>0==true));
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if (fileList[i].dataLengthBytes>0)
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{
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outBitStream->WriteCompressed(fileList[i].dataLengthBytes);
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outBitStream->Write(fileList[i].data, fileList[i].dataLengthBytes);
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}
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outBitStream->Write((bool)(fileList[i].fileLengthBytes==fileList[i].dataLengthBytes));
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if (fileList[i].fileLengthBytes!=fileList[i].dataLengthBytes)
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outBitStream->WriteCompressed(fileList[i].fileLengthBytes);
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}
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}
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bool FileList::Deserialize(RakNet::BitStream *inBitStream)
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{
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bool b, dataLenNonZero=false, fileLenMatchesDataLen=false;
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char filename[512];
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unsigned int fileListSize;
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FileListNode n;
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b=inBitStream->ReadCompressed(fileListSize);
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#ifdef _DEBUG
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assert(b);
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assert(fileListSize < 10000);
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#endif
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if (b==false || fileListSize > 10000)
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return false; // Sanity check
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Clear();
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unsigned i;
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for (i=0; i < fileListSize; i++)
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{
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inBitStream->ReadCompressed(n.context);
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stringCompressor->DecodeString((char*)filename, MAX_FILENAME_LENGTH, inBitStream);
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inBitStream->Read(dataLenNonZero);
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if (dataLenNonZero)
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{
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inBitStream->ReadCompressed(n.dataLengthBytes);
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// sanity check
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if (n.dataLengthBytes>2000000000)
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{
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#ifdef _DEBUG
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assert(n.dataLengthBytes<=2000000000);
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#endif
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return false;
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}
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n.data=(char*) rakMalloc( (size_t) n.dataLengthBytes );
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inBitStream->Read(n.data, n.dataLengthBytes);
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}
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else
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{
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n.dataLengthBytes=0;
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n.data=0;
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}
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b=inBitStream->Read(fileLenMatchesDataLen);
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if (fileLenMatchesDataLen)
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n.fileLengthBytes=(unsigned) n.dataLengthBytes;
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else
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b=inBitStream->ReadCompressed(n.fileLengthBytes);
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#ifdef _DEBUG
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assert(b);
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#endif
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if (b==0)
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{
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Clear();
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return false;
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}
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n.filename=(char*) rakMalloc( strlen(filename)+1 );
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strcpy(n.filename, filename);
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fileList.Insert(n);
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}
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return true;
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}
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void FileList::GetDeltaToCurrent(FileList *input, FileList *output, const char *dirSubset, const char *remoteSubdir)
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{
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// For all files in this list that do not match the input list, write them to the output list.
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// dirSubset allows checking only a portion of the files in this list.
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unsigned thisIndex, inputIndex;
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unsigned dirSubsetLen, localPathLen, remoteSubdirLen;
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bool match;
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if (dirSubset)
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dirSubsetLen = (unsigned int) strlen(dirSubset);
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else
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dirSubsetLen = 0;
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if (remoteSubdir && remoteSubdir[0])
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{
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remoteSubdirLen=(unsigned int) strlen(remoteSubdir);
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if (IsSlash(remoteSubdir[remoteSubdirLen-1]))
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remoteSubdirLen--;
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}
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else
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remoteSubdirLen=0;
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for (thisIndex=0; thisIndex < fileList.Size(); thisIndex++)
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{
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localPathLen = (unsigned int) strlen(fileList[thisIndex].filename);
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while (localPathLen>0)
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{
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if (IsSlash(fileList[thisIndex].filename[localPathLen-1]))
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{
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localPathLen--;
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break;
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}
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localPathLen--;
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}
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// fileList[thisIndex].filename has to match dirSubset and be shorter or equal to it in length.
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if (dirSubsetLen>0 &&
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(localPathLen<dirSubsetLen ||
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_strnicmp(fileList[thisIndex].filename, dirSubset, dirSubsetLen)!=0 ||
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(localPathLen>dirSubsetLen && IsSlash(fileList[thisIndex].filename[dirSubsetLen])==false)))
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continue;
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match=false;
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for (inputIndex=0; inputIndex < input->fileList.Size(); inputIndex++)
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{
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// If the filenames, hashes, and lengths match then skip this element in fileList. Otherwise write it to output
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if (_stricmp(input->fileList[inputIndex].filename+remoteSubdirLen,fileList[thisIndex].filename+dirSubsetLen)==0)
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{
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match=true;
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if (input->fileList[inputIndex].fileLengthBytes==fileList[thisIndex].fileLengthBytes &&
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input->fileList[inputIndex].dataLengthBytes==fileList[thisIndex].dataLengthBytes &&
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memcmp(input->fileList[inputIndex].data,fileList[thisIndex].data,(size_t) fileList[thisIndex].dataLengthBytes)==0)
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{
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// File exists on both machines and is the same.
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break;
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}
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else
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{
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// File exists on both machines and is not the same.
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output->AddFile(fileList[thisIndex].filename, 0,0, fileList[thisIndex].fileLengthBytes, 0);
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break;
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}
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}
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}
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if (match==false)
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{
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// Other system does not have the file at all
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output->AddFile(fileList[thisIndex].filename, 0,0, fileList[thisIndex].fileLengthBytes, 0);
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}
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}
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}
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void FileList::ListMissingOrChangedFiles(const char *applicationDirectory, FileList *missingOrChangedFiles, bool alwaysWriteHash, bool neverWriteHash)
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{
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unsigned fileLength;
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// CSHA1 sha1;
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FILE *fp;
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char fullPath[512];
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unsigned i;
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// char *fileData;
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for (i=0; i < fileList.Size(); i++)
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{
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strcpy(fullPath, applicationDirectory);
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FixEndingSlash(fullPath);
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strcat(fullPath,fileList[i].filename);
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fp=fopen(fullPath, "rb");
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if (fp==0)
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{
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missingOrChangedFiles->AddFile(fileList[i].filename, 0, 0, 0, 0);
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}
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else
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{
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fseek(fp, 0, SEEK_END);
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fileLength = ftell(fp);
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fseek(fp, 0, SEEK_SET);
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if (fileLength != fileList[i].fileLengthBytes && alwaysWriteHash==false)
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{
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missingOrChangedFiles->AddFile(fileList[i].filename, 0, 0, fileLength, 0);
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}
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else
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{
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// fileData= (char*) rakMalloc( fileLength );
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// fread(fileData, fileLength, 1, fp);
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// sha1.Reset();
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// sha1.Update( ( unsigned char* ) fileData, fileLength );
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// sha1.Final();
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// rakFree(fileData);
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unsigned int hash = SuperFastHashFilePtr(fp);
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//if (fileLength != fileList[i].fileLength || memcmp( sha1.GetHash(), fileList[i].data, HASH_LENGTH)!=0)
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if (fileLength != fileList[i].fileLengthBytes || memcmp( &hash, fileList[i].data, HASH_LENGTH)!=0)
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{
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if (neverWriteHash==false)
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// missingOrChangedFiles->AddFile((const char*)fileList[i].filename, (const char*)sha1.GetHash(), HASH_LENGTH, fileLength, 0);
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missingOrChangedFiles->AddFile((const char*)fileList[i].filename, (const char *) &hash, HASH_LENGTH, fileLength, 0);
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else
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missingOrChangedFiles->AddFile((const char*)fileList[i].filename, 0, 0, fileLength, 0);
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}
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}
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fclose(fp);
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}
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}
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}
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void FileList::PopulateDataFromDisk(const char *applicationDirectory, bool writeFileData, bool writeFileHash, bool removeUnknownFiles)
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|
{
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|
FILE *fp;
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char fullPath[512];
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unsigned i;
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// CSHA1 sha1;
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|
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i=0;
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while (i < fileList.Size())
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|
{
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rakFree(fileList[i].data);
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strcpy(fullPath, applicationDirectory);
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FixEndingSlash(fullPath);
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strcat(fullPath,fileList[i].filename);
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fp=fopen(fullPath, "rb");
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if (fp)
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|
{
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|
if (writeFileHash || writeFileData)
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|
{
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|
fseek(fp, 0, SEEK_END);
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fileList[i].fileLengthBytes = ftell(fp);
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|
fseek(fp, 0, SEEK_SET);
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if (writeFileHash)
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|
{
|
|
if (writeFileData)
|
|
{
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|
// Hash + data so offset the data by HASH_LENGTH
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|
fileList[i].data=(char*) rakMalloc( fileList[i].fileLengthBytes+HASH_LENGTH );
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fread(fileList[i].data+HASH_LENGTH, fileList[i].fileLengthBytes, 1, fp);
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// sha1.Reset();
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|
// sha1.Update((unsigned char*)fileList[i].data+HASH_LENGTH, fileList[i].fileLength);
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// sha1.Final();
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|
unsigned int hash = SuperFastHash(fileList[i].data+HASH_LENGTH, fileList[i].fileLengthBytes);
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|
// memcpy(fileList[i].data, sha1.GetHash(), HASH_LENGTH);
|
|
memcpy(fileList[i].data, &hash, HASH_LENGTH);
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|
}
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|
else
|
|
{
|
|
// Hash only
|
|
fileList[i].dataLengthBytes=HASH_LENGTH;
|
|
if (fileList[i].fileLengthBytes < HASH_LENGTH)
|
|
fileList[i].data=(char*) rakMalloc( HASH_LENGTH );
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|
else
|
|
fileList[i].data=(char*) rakMalloc( fileList[i].fileLengthBytes );
|
|
fread(fileList[i].data, fileList[i].fileLengthBytes, 1, fp);
|
|
// sha1.Reset();
|
|
// sha1.Update((unsigned char*)fileList[i].data, fileList[i].fileLength);
|
|
// sha1.Final();
|
|
unsigned int hash = SuperFastHash(fileList[i].data, fileList[i].fileLengthBytes);
|
|
// memcpy(fileList[i].data, sha1.GetHash(), HASH_LENGTH);
|
|
memcpy(fileList[i].data, &hash, HASH_LENGTH);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Data only
|
|
fileList[i].dataLengthBytes=fileList[i].fileLengthBytes;
|
|
fileList[i].data=(char*) rakMalloc( fileList[i].fileLengthBytes );
|
|
fread(fileList[i].data, fileList[i].fileLengthBytes, 1, fp);
|
|
}
|
|
|
|
fclose(fp);
|
|
i++;
|
|
}
|
|
else
|
|
{
|
|
fileList[i].data=0;
|
|
fileList[i].dataLengthBytes=0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (removeUnknownFiles)
|
|
{
|
|
rakFree(fileList[i].filename);
|
|
fileList.RemoveAtIndex(i);
|
|
}
|
|
else
|
|
i++;
|
|
}
|
|
}
|
|
}
|
|
void FileList::WriteDataToDisk(const char *applicationDirectory)
|
|
{
|
|
char fullPath[512];
|
|
unsigned i,j;
|
|
|
|
for (i=0; i < fileList.Size(); i++)
|
|
{
|
|
strcpy(fullPath, applicationDirectory);
|
|
FixEndingSlash(fullPath);
|
|
strcat(fullPath,fileList[i].filename);
|
|
|
|
// Security - Don't allow .. in the filename anywhere so you can't write outside of the root directory
|
|
for (j=1; j < strlen(fileList[i].filename); j++)
|
|
{
|
|
if (fileList[i].filename[j]=='.' && fileList[i].filename[j-1]=='.')
|
|
{
|
|
#ifdef _DEBUG
|
|
assert(0);
|
|
#endif
|
|
// Just cancel the write entirely
|
|
return;
|
|
}
|
|
}
|
|
|
|
WriteFileWithDirectories(fullPath, fileList[i].data, (unsigned int) fileList[i].dataLengthBytes);
|
|
}
|
|
}
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma warning( disable : 4966 ) // unlink declared depreciated by Microsoft in order to make it harder to be cross platform. I don't agree it's depreciated.
|
|
#endif
|
|
void FileList::DeleteFiles(const char *applicationDirectory)
|
|
{
|
|
char fullPath[512];
|
|
unsigned i,j;
|
|
|
|
for (i=0; i < fileList.Size(); i++)
|
|
{
|
|
// The filename should not have .. in the path - if it does ignore it
|
|
for (j=1; j < strlen(fileList[i].filename); j++)
|
|
{
|
|
if (fileList[i].filename[j]=='.' && fileList[i].filename[j-1]=='.')
|
|
{
|
|
#ifdef _DEBUG
|
|
assert(0);
|
|
#endif
|
|
// Just cancel the deletion entirely
|
|
return;
|
|
}
|
|
}
|
|
|
|
strcpy(fullPath, applicationDirectory);
|
|
FixEndingSlash(fullPath);
|
|
strcat(fullPath, fileList[i].filename);
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma warning( disable : 4966 ) // unlink declared depreciated by Microsoft in order to make it harder to be cross platform. I don't agree it's depreciated.
|
|
#endif
|
|
int result = unlink(fullPath);
|
|
if (result!=0)
|
|
{
|
|
printf("FileList::DeleteFiles: unlink (%s) failed.\n", fullPath);
|
|
}
|
|
}
|
|
}
|
|
|
|
void FileList::SetCallback(FileListProgress *cb)
|
|
{
|
|
callback=cb;
|
|
}
|
|
|
|
bool FileList::FixEndingSlash(char *str)
|
|
{
|
|
#ifdef _WIN32
|
|
if (str[strlen(str)-1]!='/' && str[strlen(str)-1]!='\\')
|
|
{
|
|
strcat(str, "\\"); // Only \ works with system commands, used by AutopatcherClient
|
|
return true;
|
|
}
|
|
#else
|
|
if (str[strlen(str)-1]!='\\' && str[strlen(str)-1]!='/')
|
|
{
|
|
strcat(str, "/"); // Only / works with Linux
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma warning( pop )
|
|
#endif
|