index ed1ea3bdf3feb7c77de12529d99b0b146c67d94b..0b8d352eaab736e29962ea5e09d368ca8f913484 100644 (file)
uses sysutils, Classes, md5, g_net, g_netmsg, g_console, g_main, e_log;
function g_Res_SearchSameWAD(const path, filename: AnsiString; const resMd5: TMD5Digest): AnsiString;
-function g_Res_SearchResWad (asMap: Boolean; const resMd5: TMD5Digest): AnsiString;
// download map wad from server (if necessary)
// download all required map resource wads too
uses g_language, sfs, utils, wadreader, g_game, hashtable;
-const DOWNLOAD_DIR = 'downloads';
-
-type
- TFileInfo = record
- diskName: AnsiString; // lowercased
- baseName: AnsiString; // lowercased
- md5: TMD5Digest;
- md5valid: Boolean;
- nextBaseNameIndex: Integer;
- end;
+//const DOWNLOAD_DIR = 'downloads';
var
- knownFiles: array of TFileInfo;
- knownHash: THashStrInt = nil; // key: base name; value: index
- scannedDirs: THashStrInt = nil; // key: lowercased dir name
replacements: THashStrStr = nil;
-function findKnownFile (diskName: AnsiString): Integer;
-var
- idx: Integer;
- baseName: AnsiString;
-begin
- result := -1;
- if not assigned(knownHash) then exit;
- if (length(diskName) = 0) then exit;
- baseName := toLowerCase1251(ExtractFileName(diskName));
- if (not knownHash.get(baseName, idx)) then exit;
- if (idx < 0) or (idx >= length(knownFiles)) then raise Exception.Create('wutafuck?');
- while (idx >= 0) do
- begin
- if (strEquCI1251(knownFiles[idx].diskName, diskName)) then begin result := idx; exit; end; // i found her!
- idx := knownFiles[idx].nextBaseNameIndex;
- end;
-end;
-
-
-function addKnownFile (diskName: AnsiString): Integer;
-var
- idx: Integer;
- lastIdx: Integer = -1;
- baseName: AnsiString;
- fi: ^TFileInfo;
-begin
- result := -1;
- if not assigned(knownHash) then knownHash := THashStrInt.Create();
- if (length(diskName) = 0) then exit;
- baseName := toLowerCase1251(ExtractFileName(diskName));
- if (length(baseName) = 0) then exit;
- // check if we already have this file
- if (knownHash.get(baseName, idx)) then
- begin
- if (idx < 0) or (idx >= length(knownFiles)) then raise Exception.Create('wutafuck?');
- while (idx >= 0) do
- begin
- if (strEquCI1251(knownFiles[idx].diskName, diskName)) then
- begin
- // already here
- result := idx;
- exit;
- end;
- lastIdx := idx;
- idx := knownFiles[idx].nextBaseNameIndex;
- end;
- end;
- // this file is not there, append it
- idx := length(knownFiles);
- result := idx;
- SetLength(knownFiles, idx+1); // sorry
- fi := @knownFiles[idx];
- fi.diskName := diskName;
- fi.baseName := baseName;
- fi.md5valid := false;
- fi.nextBaseNameIndex := -1;
- if (lastIdx < 0) then
- begin
- // totally new one
- knownHash.put(baseName, idx);
- end
- else
- begin
- knownFiles[lastIdx].nextBaseNameIndex := idx;
- end;
-end;
-
-
-function getKnownFileWithMD5 (diskDir: AnsiString; baseName: AnsiString; const md5: TMD5Digest): AnsiString;
-var
- idx: Integer;
-begin
- result := '';
- if not assigned(knownHash) then exit;
- if (not knownHash.get(toLowerCase1251(baseName), idx)) then exit;
- if (idx < 0) or (idx >= length(knownFiles)) then raise Exception.Create('wutafuck?');
- while (idx >= 0) do
- begin
- if (strEquCI1251(knownFiles[idx].diskName, IncludeTrailingPathDelimiter(diskDir)+baseName)) then
- begin
- if (not knownFiles[idx].md5valid) then
- begin
- knownFiles[idx].md5 := MD5File(knownFiles[idx].diskName);
- knownFiles[idx].md5valid := true;
- end;
- if (MD5Match(knownFiles[idx].md5, md5)) then
- begin
- result := knownFiles[idx].diskName;
- exit;
- end;
- end;
- idx := knownFiles[idx].nextBaseNameIndex;
- end;
-end;
-
-
// call this before downloading a new map from a server
procedure g_Res_ClearReplacementWads ();
begin
procedure g_Res_PutReplacementWad (oldname: AnsiString; newDiskName: AnsiString);
begin
e_LogWritefln('adding replacement wad: oldname=%s; newname=%s', [oldname, newDiskName]);
+ if not assigned(replacements) then replacements := THashStrStr.Create();
replacements.put(toLowerCase1251(oldname), newDiskName);
end;
-procedure scanDir (const dirName: AnsiString; calcMD5: Boolean);
+function scanDir (dirName: AnsiString; baseName: AnsiString; const resMd5: TMD5Digest): AnsiString;
var
searchResult: TSearchRec;
dfn: AnsiString;
- idx: Integer;
+ md5: TMD5Digest;
+ dirs: array of AnsiString;
+ f: Integer;
begin
- if not assigned(scannedDirs) then scannedDirs := THashStrInt.Create();
- dfn := toLowerCase1251(IncludeTrailingPathDelimiter(dirName));
- if scannedDirs.has(dfn) then exit;
- scannedDirs.put(dfn, 42);
+ result := '';
+ SetLength(dirs, 0);
+ if (length(baseName) = 0) then exit;
+ dirName := IncludeTrailingPathDelimiter(dirName);
+ e_LogWritefln('scanning dir `%s` for file `%s`...', [dirName, baseName]);
- if (FindFirst(dirName+'/*', faAnyFile, searchResult) <> 0) then exit;
+ // scan files
+ if (FindFirst(dirName+'*', faAnyFile, searchResult) <> 0) then exit;
try
repeat
- if (searchResult.Attr and faDirectory) = 0 then
+ if ((searchResult.Attr and faDirectory) = 0) then
begin
- dfn := dirName+'/'+searchResult.Name;
- idx := addKnownFile(dfn);
- if (calcMD5) and (idx >= 0) then
+ if (isWadNamesEqu(searchResult.Name, baseName)) then
begin
- if (not knownFiles[idx].md5valid) then
+ dfn := dirName+searchResult.Name;
+ if FileExists(dfn) then
begin
- knownFiles[idx].md5 := MD5File(knownFiles[idx].diskName);
- knownFiles[idx].md5valid := true;
+ e_LogWritefln(' found `%s`...', [dfn]);
+ md5 := MD5File(dfn);
+ if MD5Match(md5, resMd5) then
+ begin
+ e_LogWritefln(' MATCH `%s`...', [dfn]);
+ SetLength(dirs, 0);
+ result := dfn;
+ exit;
+ end;
end;
end;
end
- else if (searchResult.Name <> '.') and (searchResult.Name <> '..') then
+ else
begin
- scanDir(IncludeTrailingPathDelimiter(dirName)+searchResult.Name, calcMD5);
+ if (searchResult.Name <> '.') and (searchResult.Name <> '..') then
+ begin
+ dfn := dirName+searchResult.Name;
+ SetLength(dirs, Length(dirs)+1);
+ dirs[length(dirs)-1] := dfn;
+ end;
end;
until (FindNext(searchResult) <> 0);
finally
FindClose(searchResult);
end;
-end;
-
-
-function CompareFileHash(const filename: AnsiString; const resMd5: TMD5Digest): Boolean;
-var
- gResHash: TMD5Digest;
- fname: AnsiString;
-begin
- fname := findDiskWad(filename);
- if length(fname) = 0 then begin result := false; exit; end;
- gResHash := MD5File(fname);
- Result := MD5Match(gResHash, resMd5);
-end;
-function CheckFileHash(const path, filename: AnsiString; const resMd5: TMD5Digest): Boolean;
-var
- fname: AnsiString;
-begin
- fname := findDiskWad(path+filename);
- if length(fname) = 0 then begin result := false; exit; end;
- Result := FileExists(fname) and CompareFileHash(fname, resMd5);
+ // scan subdirs
+ for f := 0 to High(dirs) do
+ begin
+ dfn := dirs[f];
+ result := scanDir(dfn, baseName, resMd5);
+ if (length(result) <> 0) then begin SetLength(dirs, 0); exit; end;
+ end;
+ SetLength(dirs, 0);
end;
-function g_Res_SearchResWad (asMap: Boolean; const resMd5: TMD5Digest): AnsiString;
-var
- f: Integer;
+function g_Res_SearchResWad (asMap: Boolean; fname: AnsiString; const resMd5: TMD5Digest): AnsiString;
begin
result := '';
//if not assigned(scannedDirs) then scannedDirs := THashStrInt.Create();
if (asMap) then
begin
- scanDir(GameDir+'/maps/downloads', true);
+ result := scanDir(GameDir+'/maps', ExtractFileName(fname), resMd5);
end
else
begin
- scanDir(GameDir+'/wads/downloads', true);
- end;
- for f := Low(knownFiles) to High(knownFiles) do
- begin
- if (not knownFiles[f].md5valid) then continue;
- if (MD5Match(knownFiles[f].md5, resMd5)) then
- begin
- result := knownFiles[f].diskName;
- exit;
- end;
+ result := scanDir(GameDir+'/wads', ExtractFileName(fname), resMd5);
end;
- //resStream := createDiskFile(GameDir+'/wads/'+mapData.ExternalResources[i].Name);
end;
function g_Res_SearchSameWAD (const path, filename: AnsiString; const resMd5: TMD5Digest): AnsiString;
begin
- scanDir(path, false);
- result := getKnownFileWithMD5(path, filename, resMd5);
+ result := scanDir(path, filename, resMd5);
end;
resList: TStringList;
f, res: Integer;
strm: TStream;
- mmd5: TMD5Digest;
fname: AnsiString;
- idx: Integer;
wadname: AnsiString;
+ md5: TMD5Digest;
begin
//SetLength(mapData.ExternalResources, 0);
- //result := g_Res_SearchResWad(true{asMap}, mapHash);
result := '';
g_Res_ClearReplacementWads();
- g_Res_received_map_start := false;
-
- try
- CreateDir(GameDir+'/maps/downloads');
- except
- end;
-
- try
- CreateDir(GameDir+'/wads/downloads');
- except
- end;
resList := TStringList.Create();
try
+ g_Res_received_map_start := 1;
g_Console_Add(Format(_lc[I_NET_MAP_DL], [FileName]));
e_WriteLog('Downloading map `' + FileName + '` from server', TMsgType.Notify);
g_Game_SetLoadingText(FileName + '...', 0, False);
if (res <> 0) then exit;
// find or download a map
- result := g_Res_SearchResWad(true{asMap}, mapHash);
+ result := g_Res_SearchResWad(true{asMap}, tf.diskName, mapHash);
if (length(result) = 0) then
begin
// download map
result := '';
exit;
end;
+ try
+ CreateDir(GameDir+'/maps/downloads');
+ except
+ end;
fname := GameDir+'/maps/downloads/'+FileName;
try
- strm := createDiskFile(fname);
+ strm := openDiskFileRW(fname);
except
e_WriteLog('cannot create map file `'+FileName+'`', TMsgType.Fatal);
result := '';
exit;
end;
+ tf.diskName := fname;
try
res := g_Net_ReceiveResourceFile(-1{map}, tf, strm);
except
result := '';
exit;
end;
- mmd5 := MD5File(fname);
- if (not MD5Match(mmd5, mapHash)) then
- begin
- e_WriteLog('error downloading map file `'+FileName+'` (bad hash)', TMsgType.Fatal);
- result := '';
- exit;
- end;
- idx := addKnownFile(fname);
- if (idx < 0) then
+ // if it was resumed, check md5 and initiate full download if necessary
+ if tf.resumed then
begin
- e_WriteLog('error downloading map file `'+FileName+'`', TMsgType.Fatal);
- result := '';
- exit;
+ md5 := MD5File(fname);
+ // sorry for pasta, i am asshole
+ if not MD5Match(md5, tf.hash) then
+ begin
+ e_LogWritefln('resuming failed; downloading map `%s` from scratch...', [fname]);
+ try
+ DeleteFile(fname);
+ strm := createDiskFile(fname);
+ except
+ e_WriteLog('cannot create map file `'+fname+'`', TMsgType.Fatal);
+ result := '';
+ exit;
+ end;
+ try
+ res := g_Net_ReceiveResourceFile(-1{map}, tf, strm);
+ except
+ e_WriteLog('error downloading map file `'+FileName+'`', TMsgType.Fatal);
+ strm.Free;
+ result := '';
+ exit;
+ end;
+ strm.Free;
+ if (res <> 0) then
+ begin
+ e_WriteLog('error downloading map file `'+FileName+'`', TMsgType.Fatal);
+ result := '';
+ exit;
+ end;
+ end;
end;
- knownFiles[idx].md5 := mmd5;
- knownFiles[idx].md5valid := true;
result := fname;
end;
begin
res := g_Net_RequestResFileInfo(f, tf);
if (res <> 0) then begin result := ''; exit; end;
- wadname := g_Res_SearchResWad(false{asMap}, tf.hash);
+ wadname := g_Res_SearchResWad(false{asMap}, tf.diskName, tf.hash);
if (length(wadname) <> 0) then
begin
// already here
end
else
begin
+ try
+ CreateDir(GameDir+'/wads/downloads');
+ except
+ end;
fname := GameDir+'/wads/downloads/'+tf.diskName;
+ e_LogWritefln('downloading resource `%s` to `%s`...', [tf.diskName, fname]);
try
- strm := createDiskFile(fname);
+ strm := openDiskFileRW(fname);
except
e_WriteLog('cannot create resource file `'+fname+'`', TMsgType.Fatal);
result := '';
result := '';
exit;
end;
- idx := addKnownFile(fname);
- if (idx < 0) then
+ // if it was resumed, check md5 and initiate full download if necessary
+ if tf.resumed then
begin
- e_WriteLog('error downloading map file `'+FileName+'`', TMsgType.Fatal);
- result := '';
- exit;
+ md5 := MD5File(fname);
+ // sorry for pasta, i am asshole
+ if not MD5Match(md5, tf.hash) then
+ begin
+ e_LogWritefln('resuming failed; downloading resource `%s` to `%s` from scratch...', [tf.diskName, fname]);
+ try
+ DeleteFile(fname);
+ strm := createDiskFile(fname);
+ except
+ e_WriteLog('cannot create resource file `'+fname+'`', TMsgType.Fatal);
+ result := '';
+ exit;
+ end;
+ try
+ res := g_Net_ReceiveResourceFile(f, tf, strm);
+ except
+ e_WriteLog('error downloading map file `'+FileName+'`', TMsgType.Fatal);
+ strm.Free;
+ result := '';
+ exit;
+ end;
+ strm.Free;
+ if (res <> 0) then
+ begin
+ e_WriteLog('error downloading map file `'+FileName+'`', TMsgType.Fatal);
+ result := '';
+ exit;
+ end;
+ end;
end;
- knownFiles[idx].md5 := tf.hash;
- knownFiles[idx].md5valid := true;
g_Res_PutReplacementWad(tf.diskName, fname);
end;
end;
finally
resList.Free;
+ g_Res_received_map_start := 0;
end;
end;