add a thread pool option to the image cache

This commit is contained in:
Shaun 2016-01-16 14:07:36 +11:00
parent 82f117222a
commit 9e2f789e53
5 changed files with 173 additions and 59 deletions

View file

@ -1,7 +1,7 @@
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<addon id="plugin.video.emby"
name="Emby"
version="1.1.72"
version="1.1.75"
provider-name="Emby.media">
<requires>
<import addon="xbmc.python" version="2.1.0"/>

View file

@ -8,10 +8,12 @@ import os
import urllib
import xbmc
import xbmcgui
import xbmcvfs
import utils
import clientinfo
import image_cache_thread
#################################################################################################
@ -23,13 +25,18 @@ class Artwork():
xbmc_username = None
xbmc_password = None
imageCacheThreads = []
imageCacheLimitThreads = 0
def __init__(self):
self.clientinfo = clientinfo.ClientInfo()
self.addonName = self.clientinfo.getAddonName()
self.enableTextureCache = utils.settings('enableTextureCache') == "true"
self.imageCacheLimitThreads = int(utils.settings("imageCacheLimit"))
self.imageCacheLimitThreads = int(self.imageCacheLimitThreads * 5);
utils.logMsg("Using Image Cache Thread Count: " + str(self.imageCacheLimitThreads), 1)
if not self.xbmc_port and self.enableTextureCache:
self.setKodiWebServerDetails()
@ -37,7 +44,6 @@ class Artwork():
self.server = utils.window('emby_server%s' % self.userId)
def logMsg(self, msg, lvl=1):
className = self.__class__.__name__
utils.logMsg("%s %s" % (self.addonName, className), msg, lvl)
@ -160,61 +166,128 @@ class Artwork():
# This method will sync all Kodi artwork to textures13.db
# and cache them locally. This takes diskspace!
# Remove all existing textures first
path = xbmc.translatePath("special://thumbnails/").decode('utf-8')
if xbmcvfs.exists(path):
allDirs, allFiles = xbmcvfs.listdir(path)
for dir in allDirs:
allDirs, allFiles = xbmcvfs.listdir(path+dir)
for file in allFiles:
xbmcvfs.delete(os.path.join(path+dir,file))
if not xbmcgui.Dialog().yesno("Image Texture Cache", "Running the image cache process can take some time.", "Are you sure you want continue?"):
return
textureconnection = utils.KodiSQL('texture')
texturecursor = textureconnection.cursor()
texturecursor.execute('SELECT tbl_name FROM sqlite_master WHERE type="table"')
rows = texturecursor.fetchall()
for row in rows:
tableName = row[0]
if(tableName != "version"):
texturecursor.execute("DELETE FROM " + tableName)
textureconnection.commit()
texturecursor.close()
self.logMsg("Doing Image Cache Sync", 1)
dialog = xbmcgui.DialogProgressBG()
dialog.create("Emby for Kodi", "Image Cache Sync")
# ask to rest all existing or not
if xbmcgui.Dialog().yesno("Image Texture Cache", "Reset all existing cache data first?", ""):
self.logMsg("Resetting all cache data first", 1)
# Remove all existing textures first
path = xbmc.translatePath("special://thumbnails/").decode('utf-8')
if xbmcvfs.exists(path):
allDirs, allFiles = xbmcvfs.listdir(path)
for dir in allDirs:
allDirs, allFiles = xbmcvfs.listdir(path+dir)
for file in allFiles:
xbmcvfs.delete(os.path.join(path+dir,file))
# remove all existing data from texture DB
textureconnection = utils.kodiSQL('texture')
texturecursor = textureconnection.cursor()
texturecursor.execute('SELECT tbl_name FROM sqlite_master WHERE type="table"')
rows = texturecursor.fetchall()
for row in rows:
tableName = row[0]
if(tableName != "version"):
texturecursor.execute("DELETE FROM " + tableName)
textureconnection.commit()
texturecursor.close()
# Cache all entries in video DB
connection = utils.KodiSQL('video')
connection = utils.kodiSQL('video')
cursor = connection.cursor()
cursor.execute("SELECT url FROM art")
cursor.execute("SELECT url FROM art WHERE media_type != 'actor'") # dont include actors
result = cursor.fetchall()
total = len(result)
count = 1
percentage = 0.0
self.logMsg("Image cache sync about to process " + str(total) + " images", 1)
for url in result:
percentage = int((float(count) / float(total))*100)
textMessage = str(count) + " of " + str(total) + " (" + str(len(self.imageCacheThreads)) + ")"
dialog.update(percentage, message="Updating Image Cache: " + textMessage)
self.CacheTexture(url[0])
count += 1
cursor.close()
# Cache all entries in music DB
connection = utils.KodiSQL('music')
connection = utils.kodiSQL('music')
cursor = connection.cursor()
cursor.execute("SELECT url FROM art")
result = cursor.fetchall()
total = len(result)
count = 1
percentage = 0.0
self.logMsg("Image cache sync about to process " + str(total) + " images", 1)
for url in result:
percentage = int((float(count) / float(total))*100)
textMessage = str(count) + " of " + str(total)
dialog.update(percentage, message="Updating Image Cache: " + textMessage)
self.CacheTexture(url[0])
count += 1
cursor.close()
dialog.update(percentage, message="Waiting for all threads to exit: " + str(len(self.imageCacheThreads)))
self.logMsg("Waiting for all threads to exit", 1)
while len(self.imageCacheThreads) > 0:
for thread in self.imageCacheThreads:
if thread.isFinished:
self.imageCacheThreads.remove(thread)
dialog.update(percentage, message="Waiting for all threads to exit: " + str(len(self.imageCacheThreads)))
self.logMsg("Waiting for all threads to exit: " + str(len(self.imageCacheThreads)), 1)
xbmc.sleep(500)
dialog.close()
def addWorkerImageCacheThread(self, urlToAdd):
while(True):
# removed finished
for thread in self.imageCacheThreads:
if thread.isFinished:
self.imageCacheThreads.remove(thread)
# add a new thread or wait and retry if we hit our limit
if(len(self.imageCacheThreads) < self.imageCacheLimitThreads):
newThread = image_cache_thread.image_cache_thread()
newThread.setUrl(self.double_urlencode(urlToAdd))
newThread.setHost(self.xbmc_host, self.xbmc_port)
newThread.setAuth(self.xbmc_username, self.xbmc_password)
newThread.start()
self.imageCacheThreads.append(newThread)
return
else:
self.logMsg("Waiting for empty queue spot: " + str(len(self.imageCacheThreads)), 2)
xbmc.sleep(50)
def CacheTexture(self, url):
# Cache a single image url to the texture cache
if url and self.enableTextureCache:
self.logMsg("Processing: %s" % url, 2)
# Add image to texture cache by simply calling it at the http endpoint
url = self.double_urlencode(url)
try: # Extreme short timeouts so we will have a exception.
response = requests.head(
url=(
"http://%s:%s/image/image://%s"
% (self.xbmc_host, self.xbmc_port, url)),
auth=(self.xbmc_username, self.xbmc_password),
timeout=(0.01, 0.01))
# We don't need the result
except: pass
if(self.imageCacheLimitThreads == 0 or self.imageCacheLimitThreads == None):
#Add image to texture cache by simply calling it at the http endpoint
url = self.double_urlencode(url)
try: # Extreme short timeouts so we will have a exception.
response = requests.head(
url=(
"http://%s:%s/image/image://%s"
% (self.xbmc_host, self.xbmc_port, url)),
auth=(self.xbmc_username, self.xbmc_password),
timeout=(0.01, 0.01))
# We don't need the result
except: pass
else:
self.addWorkerImageCacheThread(url)
def addArtwork(self, artwork, kodiId, mediaType, cursor):

View file

@ -72,27 +72,15 @@ def doMainListing():
addDirectoryItem(label, path)
# some extra entries for settings and stuff. TODO --> localize the labels
addDirectoryItem("Network credentials", "plugin://plugin.video.emby/?mode=passwords", False)
addDirectoryItem("Settings", "plugin://plugin.video.emby/?mode=settings", False)
addDirectoryItem("Add user to session", "plugin://plugin.video.emby/?mode=adduser", False)
#addDirectoryItem("Cache all images to Kodi texture cache (advanced)", "plugin://plugin.video.emby/?mode=texturecache")
addDirectoryItem(
label="Refresh Emby playlists",
path="plugin://plugin.video.emby/?mode=refreshplaylist",
folder=False)
addDirectoryItem("Perform manual sync", "plugin://plugin.video.emby/?mode=manualsync", False)
addDirectoryItem(
label="Repair local database (force update all content)",
path="plugin://plugin.video.emby/?mode=repair",
folder=False)
addDirectoryItem(
label="Perform local database reset (full resync)",
path="plugin://plugin.video.emby/?mode=reset",
folder=False)
addDirectoryItem(
label="Sync Emby Theme Media to Kodi",
path="plugin://plugin.video.emby/?mode=thememedia",
folder=False)
addDirectoryItem("Network credentials", "plugin://plugin.video.emby/?mode=passwords")
addDirectoryItem("Settings", "plugin://plugin.video.emby/?mode=settings")
addDirectoryItem("Add user to session", "plugin://plugin.video.emby/?mode=adduser")
addDirectoryItem("Refresh Emby playlists", "plugin://plugin.video.emby/?mode=refreshplaylist")
addDirectoryItem("Perform manual sync", "plugin://plugin.video.emby/?mode=manualsync")
addDirectoryItem("Repair local database (force update all content)", "plugin://plugin.video.emby/?mode=repair")
addDirectoryItem("Perform local database reset (full resync)", "plugin://plugin.video.emby/?mode=reset")
addDirectoryItem("Cache all images to Kodi texture cache", "plugin://plugin.video.emby/?mode=texturecache")
addDirectoryItem("Sync Emby Theme Media to Kodi", "plugin://plugin.video.emby/?mode=thememedia")
xbmcplugin.endOfDirectory(int(sys.argv[1]))

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@ -0,0 +1,52 @@
import threading
import utils
import xbmc
import requests
class image_cache_thread(threading.Thread):
urlToProcess = None
isFinished = False
xbmc_host = ""
xbmc_port = ""
xbmc_username = ""
xbmc_password = ""
def __init__(self):
self.monitor = xbmc.Monitor()
threading.Thread.__init__(self)
def logMsg(self, msg, lvl=1):
className = self.__class__.__name__
utils.logMsg("%s" % className, msg, lvl)
def setUrl(self, url):
self.urlToProcess = url
def setHost(self, host, port):
self.xbmc_host = host
self.xbmc_port = port
def setAuth(self, user, pwd):
self.xbmc_username = user
self.xbmc_password = pwd
def run(self):
self.logMsg("Image Caching Thread Processing : " + self.urlToProcess, 2)
try:
response = requests.head(
url=(
"http://%s:%s/image/image://%s"
% (self.xbmc_host, self.xbmc_port, self.urlToProcess)),
auth=(self.xbmc_username, self.xbmc_password),
timeout=(35.1, 35.1))
# We don't need the result
except: pass
self.logMsg("Image Caching Thread Exited", 2)
self.isFinished = True

View file

@ -31,6 +31,7 @@
<setting id="streamMusic" type="bool" label="Direct stream music library" default="false" visible="eq(-1,true)" subsetting="true" />
<setting id="useDirectPaths" type="enum" label="Playback Mode" values="Addon(Default)|Native(Direct paths)" default="0" />
<setting id="enableTextureCache" label="Auto add images to the Kodi texture cache" type="bool" default="true" />
<setting id="imageCacheLimit" type="enum" label="Limit image cache import threads" values="None|5|10|15|20|25" default="0" visible="eq(-1,true)"/>
<setting id="serverSync" type="bool" label="Enable fast starting sync" default="true" />
<setting id="limitindex" type="number" label="Maximum items to request at once from server" default="200" option="int" />
</category>