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Several bugfix

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This commit is contained in:
djes
2017-06-12 20:37:08 +02:00
parent bb405afca9
commit 61503c3e98
1 changed files with 66 additions and 48 deletions
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114
PBMap.pb
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@@ -126,6 +126,7 @@ Module PBMap
GetImageThread.i
Download.i
Time.i
Size.i
EndStructure
Structure BoundingBox
@@ -309,7 +310,7 @@ Module PBMap
;-*** Global variables
;-Show debug infos
Global MyDebugLevel = 5
Global MyDebugLevel = 3
Global PBMap.PBMap, Null.i, NullPtrMem.i, *NullPtr = @NullPtrMem
Global slash.s
@@ -1046,7 +1047,7 @@ Module PBMap
Procedure MemoryCacheManagement()
; If cache size exceeds limit, try to delete the oldest tiles used (first in the time stack)
Protected CacheSize = MapSize(PBMap\MemCache\Images()) * Pow(PBMap\TileSize, 2) * 5 ; Size of a tile = TileSize * TileSize * 4 bytes (RGBA)
Protected CacheSize = MapSize(PBMap\MemCache\Images()) * Pow(PBMap\TileSize, 2) * 4 ; Size of a tile = TileSize * TileSize * 4 bytes (RGBA)
Protected CacheLimit = PBMap\Options\MaxMemCache * 1024
MyDebug("Cache size : " + Str(CacheSize/1024) + " / CacheLimit : " + Str(CacheLimit/1024), 5)
If CacheSize > CacheLimit
@@ -1056,16 +1057,21 @@ Module PBMap
; Try to free half the cache memory (one pass)
While NextElement(PBMap\MemCache\ImagesTimeStack()) And CacheSize > (CacheLimit / 2) ; /2 = half
Protected CacheMapKey.s = PBMap\MemCache\ImagesTimeStack()\MapKey
Protected Image = PBMap\MemCache\Images(CacheMapKey)\nImage
If PBMap\MemCache\Images(CacheMapKey)\Tile = 0 ; Check if a loading thread is not already running
;Protected Image = PBMap\MemCache\Images(CacheMapKey)\nImage
; Is the loading over
If PBMap\MemCache\Images(CacheMapKey)\Tile = -1
MyDebug(" Delete " + CacheMapKey, 5)
If IsImage(Image) ; Check if the image is valid
FreeImage(Image)
MyDebug(" and free image nb " + Str(Image), 5)
If IsImage(PBMap\MemCache\Images(CacheMapKey)\nImage)
FreeImage(PBMap\MemCache\Images(CacheMapKey)\nImage)
MyDebug(" and free image nb " + Str(PBMap\MemCache\Images(CacheMapKey)\nImage), 5)
EndIf
DeleteMapElement(PBMap\MemCache\Images(), CacheMapKey)
DeleteElement(PBMap\MemCache\ImagesTimeStack())
Else
DeleteElement(PBMap\MemCache\ImagesTimeStack(), 1)
ElseIf PBMap\MemCache\Images(CacheMapKey)\Tile = 0
MyDebug(" Delete " + CacheMapKey, 5)
DeleteMapElement(PBMap\MemCache\Images(), CacheMapKey)
DeleteElement(PBMap\MemCache\ImagesTimeStack(), 1)
ElseIf PBMap\MemCache\Images(CacheMapKey)\Tile > 0
; If the thread is running, try to abort the download
If PBMap\MemCache\Images(CacheMapKey)\Tile\Download
AbortHTTP(PBMap\MemCache\Images(CacheMapKey)\Tile\Download)
@@ -1077,19 +1083,17 @@ Module PBMap
MyDebug(" New cache size : " + Str(CacheSize/1024) + " / CacheLimit : " + Str(CacheLimit/1024), 5)
If CacheSize > CacheLimit
MyDebug(" Cache cleaning unsuccessfull, can't add new tiles.", 5)
ProcedureReturn 0
ProcedureReturn #False
EndIf
EndIf
ProcedureReturn #True
EndProcedure
;-*** These are threaded
Threaded nImage.i, LifeTime.i, MaxLifeTime.i
Procedure.i GetTileFromHDD(CacheFile.s)
Protected nImage.i, LifeTime.i, MaxLifeTime.i
MaxLifeTime.i = PBMap\Options\TileLifetime
If FileSize(CacheFile) > 0 ; <> -1
; Manage tile file lifetime
; Manage tile file lifetime
If MaxLifeTime <> -1
LifeTime = Date() - GetFileDate(CacheFile, #PB_Date_Modified) ; There's a bug with #PB_Date_Created
If LifeTime > MaxLifeTime
@@ -1114,7 +1118,7 @@ Module PBMap
Else
MyDebug(" Failed loading " + CacheFile + " -> Filesize = " + FileSize(CacheFile), 3)
EndIf
ProcedureReturn 0
ProcedureReturn #False
EndProcedure
; **** OLD IMPORTANT NOTICE (please not remove)
@@ -1142,6 +1146,8 @@ Module PBMap
; EndIf
; ****
;-*** These are threaded
Threaded Progress = 0, Size = 0
Procedure GetImageThread(*Tile.Tile)
@@ -1164,11 +1170,11 @@ Module PBMap
*Tile\Download = ReceiveHTTPFile(*Tile\URL, *Tile\CacheFile, #PB_HTTP_Asynchronous)
If *Tile\Download
Repeat
If PBMap\MemoryCacheManagement = #False ; Wait until cache cleaning is done
;If PBMap\MemoryCacheManagement = #False ; Wait until cache cleaning is done
Progress = HTTPProgress(*Tile\Download)
Select Progress
Case #PB_Http_Success
Size = FinishHTTP(*Tile\Download)
*Tile\Size = FinishHTTP(*Tile\Download) ; \Size signals that the download is OK
MyDebug(" Thread for image " + *Tile\CacheFile + " finished. Size : " + Str(Size), 5)
LockMutex(PBMap\DownloadSlotsMutex)
PBMap\DownloadSlots - 1
@@ -1177,6 +1183,7 @@ Module PBMap
ProcedureReturn #True
Case #PB_Http_Failed
FinishHTTP(*Tile\Download)
*Tile\Size = 0 ; \Size = 0 signals that the download has failed
MyDebug(" Thread for image " + *Tile\CacheFile + " failed.", 5)
LockMutex(PBMap\DownloadSlotsMutex)
PBMap\DownloadSlots - 1
@@ -1185,6 +1192,7 @@ Module PBMap
ProcedureReturn #False
Case #PB_Http_Aborted
FinishHTTP(*Tile\Download)
*Tile\Size = 0 ; \Size = 0 signals that the download has failed
MyDebug(" Thread for image " + *Tile\CacheFile + " aborted.", 5)
LockMutex(PBMap\DownloadSlotsMutex)
PBMap\DownloadSlots - 1
@@ -1193,26 +1201,29 @@ Module PBMap
ProcedureReturn #False
Default
MyDebug(" Thread for image " + *Tile\CacheFile + " downloading " + Str(Progress) + " bytes", 5)
If ElapsedMilliseconds() - *Tile\Time > 60000
MyDebug(" Thread for image " + *Tile\CacheFile + " canceled after 60 seconds.", 5)
If ElapsedMilliseconds() - *Tile\Time > 10000
MyDebug(" Thread for image " + *Tile\CacheFile + " canceled after 10 seconds.", 5)
AbortHTTP(*Tile\Download)
EndIf
EndSelect
EndIf
;EndIf
Delay(500) ; Frees CPU
ForEver
EndIf
EndProcedure
;-***
Procedure.i GetTile(key.s, URL.s, CacheFile.s)
; Try to find the tile in memory cache. If not found, add it if there's enough room in the cache, try to load the picture from the
; HDD, or launch a web loading thread, and try again on the next drawing loop.
; Try to find the tile in memory cache
Protected *timg.ImgMemCach = FindMapElement(PBMap\MemCache\Images(), key)
If *timg
MyDebug("Key : " + key + " found in memory cache", 4)
If *timg\nImage
; Is the associated image already been loaded in memory ?
If *timg\nImage And IsImage(*timg\nImage)
; Yes, returns the image's nb
MyDebug(" as image " + *timg\nImage, 4)
*timg\Tile = -1
; *** Cache management
; Retrieves the image in the time stack, push it to the end (to say it's the lastly used)
ChangeCurrentElement(PBMap\MemCache\ImagesTimeStack(), *timg\TimeStackPtr)
@@ -1221,14 +1232,15 @@ Module PBMap
; ***
ProcedureReturn *timg
Else
; No, will load it below
MyDebug(" but not the image.", 4)
EndIf
Else
; Creates a new cache element
; The tile has not been found in the cache, so creates a new cache element
*timg = AddMapElement(PBMap\MemCache\Images(), key)
If *timg = 0
MyDebug(" Can't add a new cache element.", 4)
ProcedureReturn 0
ProcedureReturn #False
EndIf
; add a new time stack element at the End
LastElement(PBMap\MemCache\ImagesTimeStack())
@@ -1237,22 +1249,27 @@ Module PBMap
If *timg\TimeStackPtr = 0
MyDebug(" Can't add a new time stack element.", 4)
DeleteMapElement(PBMap\MemCache\Images())
ProcedureReturn 0
ProcedureReturn #False
EndIf
; Associates the time stack element to the cache element
PBMap\MemCache\ImagesTimeStack()\MapKey = MapKey(PBMap\MemCache\Images())
MyDebug("Key : " + key + " added in memory cache", 4)
; ***
EndIf
If *timg\Tile = 0 ; Checks if a loading thread is not already running
; Is the file image on HDD ?
; Is this tile not loading ?
If *timg\Tile <= 0
; Is the file image on HDD ?
*timg\nImage = GetTileFromHDD(CacheFile.s)
If *timg\nImage
; Image found and loaded from HDD
*timg\Alpha = 256
*timg\Tile = -1
ProcedureReturn *timg
EndIf
; Image not found on HDD, launch a new web loading thread
EndIf
; If there's not this tile in memory and no web loading thread
If *timg\Tile = 0
; Launch a new one
If PBMap\ThreadsNB < PBMap\Options\MaxThreads
Protected *NewTile.Tile = AllocateMemory(SizeOf(Tile))
If *NewTile
@@ -1267,7 +1284,6 @@ Module PBMap
If \GetImageThread
*timg\Tile = *NewTile ; There's now a loading thread
*timg\Alpha = 0
; *timg\nImage = 0
MyDebug(" Creating get image thread nb " + Str(\GetImageThread) + " to get " + CacheFile, 3)
PBMap\ThreadsNB + 1
Else
@@ -1282,7 +1298,7 @@ Module PBMap
MyDebug(" Error, maximum threads nb reached", 3)
EndIf
EndIf
ProcedureReturn 0
ProcedureReturn #False
EndProcedure
Procedure DrawTiles(*Drawing.DrawingParameters, LayerName.s)
@@ -1362,7 +1378,7 @@ Module PBMap
EndSelect
EndWith
*timg = GetTile(key, URL, CacheFile)
If *timg And *timg\nImage
If *timg And *timg\nImage And IsImage(*timg\nImage)
MovePathCursor(px, py)
If *timg\Alpha <= 224
DrawVectorImage(ImageID(*timg\nImage), *timg\Alpha * PBMap\Layers()\Alpha)
@@ -1840,7 +1856,7 @@ Module PBMap
MovePathCursor(50, 70)
Protected ThreadCounter = 0
ForEach PBMap\MemCache\Images()
If PBMap\MemCache\Images()\Tile <> 0
If PBMap\MemCache\Images()\Tile > 0
If IsThread(PBMap\MemCache\Images()\Tile\GetImageThread)
ThreadCounter + 1
EndIf
@@ -2438,21 +2454,23 @@ Module PBMap
PBMap\Dragging = #False
PBMap\Redraw = #True
Case #PB_MAP_REDRAW
Debug "Redraw"
PBMap\Redraw = #True
Case #PB_MAP_RETRY
Debug "Reload"
PBMap\Redraw = #True
Case #PB_MAP_TILE_CLEANUP
*Tile = EventData()
key = *Tile\key
; After a Web tile loading thread, clean the tile structure memory and set the image nb in the cache
; avoid to have threads accessing vars (and avoid some mutex), see GetImageThread()
; After a Web tile loading thread, clean the tile structure memory, see GetImageThread()
*Tile\Download = 0
Protected timg = PBMap\MemCache\Images(key)\Tile\nImage ; Get this new tile image nb
PBMap\MemCache\Images(key)\nImage = timg ; Stores it in the cache using the key
FreeMemory(PBMap\MemCache\Images(key)\Tile) ; Frees the data needed for the thread
PBMap\MemCache\Images(key)\Tile = 0 ; Clears the data ptr, the web loading thread is finished
If *Tile\Size ; <> 0
FreeMemory(PBMap\MemCache\Images(key)\Tile) ; Frees the data needed for the thread
PBMap\MemCache\Images(key)\Tile = -1 ; Clears the data ptr, and says that the web loading thread has finished successfully
Else
FreeMemory(PBMap\MemCache\Images(key)\Tile) ; Frees the data needed for the thread
PBMap\MemCache\Images(key)\Tile = 0 ; Clears the data ptr, and says that the web loading thread has finished unsuccessfully
EndIf
;Protected timg = PBMap\MemCache\Images(key)\Tile\nImage ; Get this new tile image nb
;PBMap\MemCache\Images(key)\nImage = timg ; Stores it in the cache using the key
PBMap\ThreadsNB - 1
PBMap\Redraw = #True
EndSelect
@@ -2461,7 +2479,7 @@ Module PBMap
; Redraws at regular intervals
Procedure TimerEvents()
If EventTimer() = PBMap\Timer And (PBMap\Redraw Or PBMap\Dirty)
; MemoryCacheManagement()
MemoryCacheManagement()
Drawing()
EndIf
EndProcedure
@@ -2490,11 +2508,11 @@ Module PBMap
Procedure Quit()
PBMap\Drawing\End = #True
PBMap\MemoryCacheManagement = #True ; Tells web loading threads to pause
; Wait for loading threads to finish nicely. Passed 2 seconds, kills them.
; Wait for loading threads to finish nicely. Passed 2 seconds, kills them.
Protected TimeCounter = ElapsedMilliseconds()
Repeat
ForEach PBMap\MemCache\Images()
If PBMap\MemCache\Images()\Tile <> 0
If PBMap\MemCache\Images()\Tile > 0
If IsThread(PBMap\MemCache\Images()\Tile\GetImageThread)
If ElapsedMilliseconds() - TimeCounter > 2000
; Should not occur
@@ -2844,8 +2862,8 @@ CompilerIf #PB_Compiler_IsMainFile
CompilerEndIf
; IDE Options = PureBasic 5.60 (Windows - x64)
; CursorPosition = 1107
; FirstLine = 1104
; CursorPosition = 1047
; FirstLine = 1047
; Folding = -------------------
; EnableThread
; EnableXP