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master.py
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master.py
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# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
import sys, os
import http, http.client, http.server, socket, socketserver
import shutil, time, hashlib
import pickle
import select # for select.error
import json
from netrender.utils import *
import netrender.model
import netrender.balancing
import netrender.master_html
import netrender.thumbnail as thumbnail
class MRenderFile(netrender.model.RenderFile):
def __init__(self, filepath, index, start, end, signature):
super().__init__(filepath, index, start, end, signature)
self.found = False
def test(self):
self.found = os.path.exists(self.filepath)
if self.found and self.signature != None:
found_signature = hashFile(self.filepath)
self.found = self.signature == found_signature
return self.found
class MRenderSlave(netrender.model.RenderSlave):
def __init__(self, name, address, stats):
super().__init__()
self.id = hashlib.md5(bytes(repr(name) + repr(address), encoding='utf8')).hexdigest()
self.name = name
self.address = address
self.stats = stats
self.last_seen = time.time()
self.job = None
self.job_frames = []
netrender.model.RenderSlave._slave_map[self.id] = self
def seen(self):
self.last_seen = time.time()
def finishedFrame(self, frame_number):
try:
self.job_frames.remove(frame_number)
except ValueError as e:
print("Internal error: Frame %i not in job frames list" % frame_number)
print(self.job_frames)
if not self.job_frames:
self.job = None
class MRenderJob(netrender.model.RenderJob):
def __init__(self, job_id, job_info):
super().__init__(job_info)
self.id = job_id
self.last_dispatched = time.time()
# force one chunk for process jobs
if self.type == netrender.model.JOB_PROCESS:
self.chunks = 1
# Force WAITING status on creation
self.status = JOB_WAITING
# special server properties
self.last_update = 0
self.save_path = ""
self.files = [MRenderFile(rfile.filepath, rfile.index, rfile.start, rfile.end, rfile.signature) for rfile in job_info.files]
def initInfo(self):
if not self.resolution:
self.resolution = tuple(getFileInfo(self.files[0].filepath, ["bpy.context.scene.render.resolution_x", "bpy.context.scene.render.resolution_y", "bpy.context.scene.render.resolution_percentage"]))
def save(self):
if self.save_path:
f = open(os.path.join(self.save_path, "job.txt"), "w")
f.write(json.dumps(self.serialize()))
f.close()
def edit(self, info_map):
if "status" in info_map:
self.status = info_map["status"]
if "priority" in info_map:
self.priority = info_map["priority"]
if "chunks" in info_map:
self.chunks = info_map["chunks"]
def testStart(self):
# Don't test files for versionned jobs
if not self.version_info:
for f in self.files:
if not f.test():
return False
self.start()
self.initInfo()
return True
def testFinished(self):
for f in self.frames:
if f.status == QUEUED or f.status == DISPATCHED:
break
else:
self.status = JOB_FINISHED
def pause(self, status = None):
if self.status not in {JOB_PAUSED, JOB_QUEUED}:
return
if status is None:
self.status = JOB_PAUSED if self.status == JOB_QUEUED else JOB_QUEUED
elif status:
self.status = JOB_QUEUED
else:
self.status = JOB_PAUSED
def start(self):
self.status = JOB_QUEUED
def addLog(self, frames):
log_name = "_".join(("%06d" % f for f in frames)) + ".log"
log_path = os.path.join(self.save_path, log_name)
for number in frames:
frame = self[number]
if frame:
frame.log_path = log_path
def addFrame(self, frame_number, command):
frame = MRenderFrame(frame_number, command)
self.frames.append(frame)
return frame
def reset(self, all):
for f in self.frames:
f.reset(all)
def getFrames(self):
frames = []
for f in self.frames:
if f.status == QUEUED:
self.last_dispatched = time.time()
frames.append(f)
if len(frames) >= self.chunks:
break
return frames
class MRenderFrame(netrender.model.RenderFrame):
def __init__(self, frame, command):
super().__init__()
self.number = frame
self.slave = None
self.time = 0
self.status = QUEUED
self.command = command
self.log_path = None
def reset(self, all):
if all or self.status == ERROR:
self.log_path = None
self.slave = None
self.time = 0
self.status = QUEUED
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
file_pattern = re.compile("/file_([a-zA-Z0-9]+)_([0-9]+)")
render_pattern = re.compile("/render_([a-zA-Z0-9]+)_([0-9]+).exr")
thumb_pattern = re.compile("/thumb_([a-zA-Z0-9]+)_([0-9]+).jpg")
log_pattern = re.compile("/log_([a-zA-Z0-9]+)_([0-9]+).log")
reset_pattern = re.compile("/reset(all|)_([a-zA-Z0-9]+)_([0-9]+)")
cancel_pattern = re.compile("/cancel_([a-zA-Z0-9]+)")
pause_pattern = re.compile("/pause_([a-zA-Z0-9]+)")
edit_pattern = re.compile("/edit_([a-zA-Z0-9]+)")
class RenderHandler(http.server.BaseHTTPRequestHandler):
def write_file(self, file_path, mode = 'wb'):
length = int(self.headers['content-length'])
f = open(file_path, mode)
buf = self.rfile.read(length)
f.write(buf)
f.close()
del buf
def log_message(self, format, *args):
# override because the original calls self.address_string(), which
# is extremely slow due to some timeout..
sys.stderr.write("[%s] %s\n" % (self.log_date_time_string(), format%args))
def getInfoMap(self):
length = int(self.headers['content-length'])
if length > 0:
msg = str(self.rfile.read(length), encoding='utf8')
return json.loads(msg)
else:
return {}
def send_head(self, code = http.client.OK, headers = {}, content = "application/octet-stream"):
self.send_response(code)
if code != http.client.OK and content:
self.send_header("Content-type", content)
for key, value in headers.items():
self.send_header(key, value)
self.end_headers()
def do_HEAD(self):
if self.path == "/status":
job_id = self.headers.get('job-id', "")
job_frame = int(self.headers.get('job-frame', -1))
job = self.server.getJobID(job_id)
if job:
frame = job[job_frame]
if frame:
self.send_head(http.client.OK)
else:
# no such frame
self.send_head(http.client.NO_CONTENT)
else:
# no such job id
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
def do_GET(self):
if self.path == "/version":
self.send_head()
self.server.stats("", "Version check")
self.wfile.write(VERSION)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path.startswith("/render"):
match = render_pattern.match(self.path)
if match:
job_id = match.groups()[0]
frame_number = int(match.groups()[1])
job = self.server.getJobID(job_id)
if job:
frame = job[frame_number]
if frame:
if frame.status in (QUEUED, DISPATCHED):
self.send_head(http.client.ACCEPTED)
elif frame.status == DONE:
self.server.stats("", "Sending result to client")
filename = os.path.join(job.save_path, "%06d.exr" % frame_number)
f = open(filename, 'rb')
self.send_head(content = "image/x-exr")
shutil.copyfileobj(f, self.wfile)
f.close()
elif frame.status == ERROR:
self.send_head(http.client.PARTIAL_CONTENT)
else:
# no such frame
self.send_head(http.client.NO_CONTENT)
else:
# no such job id
self.send_head(http.client.NO_CONTENT)
else:
# invalid url
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path.startswith("/thumb"):
match = thumb_pattern.match(self.path)
if match:
job_id = match.groups()[0]
frame_number = int(match.groups()[1])
job = self.server.getJobID(job_id)
if job:
frame = job[frame_number]
if frame:
if frame.status in (QUEUED, DISPATCHED):
self.send_head(http.client.ACCEPTED)
elif frame.status == DONE:
filename = os.path.join(job.save_path, "%06d.exr" % frame_number)
thumbname = thumbnail.generate(filename)
if thumbname:
f = open(thumbname, 'rb')
self.send_head(content = "image/jpeg")
shutil.copyfileobj(f, self.wfile)
f.close()
else: # thumbnail couldn't be generated
self.send_head(http.client.PARTIAL_CONTENT)
return
elif frame.status == ERROR:
self.send_head(http.client.PARTIAL_CONTENT)
else:
# no such frame
self.send_head(http.client.NO_CONTENT)
else:
# no such job id
self.send_head(http.client.NO_CONTENT)
else:
# invalid url
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path.startswith("/log"):
match = log_pattern.match(self.path)
if match:
job_id = match.groups()[0]
frame_number = int(match.groups()[1])
job = self.server.getJobID(job_id)
if job:
frame = job[frame_number]
if frame:
if not frame.log_path or frame.status in (QUEUED, DISPATCHED):
self.send_head(http.client.PROCESSING)
else:
self.server.stats("", "Sending log to client")
f = open(frame.log_path, 'rb')
self.send_head(content = "text/plain")
shutil.copyfileobj(f, self.wfile)
f.close()
else:
# no such frame
self.send_head(http.client.NO_CONTENT)
else:
# no such job id
self.send_head(http.client.NO_CONTENT)
else:
# invalid URL
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "/status":
job_id = self.headers.get('job-id', "")
job_frame = int(self.headers.get('job-frame', -1))
if job_id:
job = self.server.getJobID(job_id)
if job:
if job_frame != -1:
frame = job[frame]
if frame:
message = frame.serialize()
else:
# no such frame
self.send_heat(http.client.NO_CONTENT)
return
else:
message = job.serialize()
else:
# no such job id
self.send_head(http.client.NO_CONTENT)
return
else: # status of all jobs
message = []
for job in self.server:
message.append(job.serialize())
self.server.stats("", "Sending status")
self.send_head()
self.wfile.write(bytes(json.dumps(message), encoding='utf8'))
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "/job":
self.server.balance()
slave_id = self.headers['slave-id']
slave = self.server.getSeenSlave(slave_id)
if slave: # only if slave id is valid
job, frames = self.server.newDispatch(slave_id)
if job and frames:
for f in frames:
print("dispatch", f.number)
f.status = DISPATCHED
f.slave = slave
slave.job = job
slave.job_frames = [f.number for f in frames]
self.send_head(headers={"job-id": job.id})
message = job.serialize(frames)
self.wfile.write(bytes(json.dumps(message), encoding='utf8'))
self.server.stats("", "Sending job to slave")
else:
# no job available, return error code
slave.job = None
slave.job_frames = []
self.send_head(http.client.ACCEPTED)
else: # invalid slave id
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path.startswith("/file"):
match = file_pattern.match(self.path)
if match:
slave_id = self.headers['slave-id']
slave = self.server.getSeenSlave(slave_id)
if not slave:
# invalid slave id
print("invalid slave id")
job_id = match.groups()[0]
file_index = int(match.groups()[1])
job = self.server.getJobID(job_id)
if job:
render_file = job.files[file_index]
if render_file:
self.server.stats("", "Sending file to slave")
f = open(render_file.filepath, 'rb')
self.send_head()
shutil.copyfileobj(f, self.wfile)
f.close()
else:
# no such file
self.send_head(http.client.NO_CONTENT)
else:
# no such job id
self.send_head(http.client.NO_CONTENT)
else: # invalid url
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "/slaves":
message = []
self.server.stats("", "Sending slaves status")
for slave in self.server.slaves:
message.append(slave.serialize())
self.send_head()
self.wfile.write(bytes(json.dumps(message), encoding='utf8'))
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
else:
# hand over the rest to the html section
netrender.master_html.get(self)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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def do_POST(self):
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if self.path == "/job":
length = int(self.headers['content-length'])
job_info = netrender.model.RenderJob.materialize(json.loads(str(self.rfile.read(length), encoding='utf8')))
job_id = self.server.nextJobID()
job = MRenderJob(job_id, job_info)
for frame in job_info.frames:
frame = job.addFrame(frame.number, frame.command)
self.server.addJob(job)
headers={"job-id": job_id}
if job.testStart():
self.server.stats("", "New job, started")
self.send_head(headers=headers, content = None)
else:
self.server.stats("", "New job, missing files (%i total)" % len(job.files))
self.send_head(http.client.ACCEPTED, headers=headers)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path.startswith("/edit"):
match = edit_pattern.match(self.path)
if match:
job_id = match.groups()[0]
job = self.server.getJobID(job_id)
if job:
info_map = self.getInfoMap()
job.edit(info_map)
self.send_head(content = None)
else:
# no such job id
self.send_head(http.client.NO_CONTENT)
else:
# invalid url
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "/balance_limit":
info_map = self.getInfoMap()
for rule_id, limit in info_map.items():
try:
rule = self.server.balancer.ruleByID(rule_id)
if rule:
rule.setLimit(limit)
except:
pass # invalid type
self.send_head(content = None)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "/balance_enable":
info_map = self.getInfoMap()
for rule_id, enabled in info_map.items():
rule = self.server.balancer.ruleByID(rule_id)
if rule:
rule.enabled = enabled
self.send_head(content = None)
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elif self.path.startswith("/cancel"):
match = cancel_pattern.match(self.path)
if match:
info_map = self.getInfoMap()
clear = info_map.get("clear", False)
job_id = match.groups()[0]
job = self.server.getJobID(job_id)
if job:
self.server.stats("", "Cancelling job")
self.server.removeJob(job, clear)
self.send_head(content = None)
else:
# no such job id
self.send_head(http.client.NO_CONTENT)
else:
# invalid url
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path.startswith("/pause"):
match = pause_pattern.match(self.path)
if match:
info_map = self.getInfoMap()
status = info_map.get("status", None)
job_id = match.groups()[0]
job = self.server.getJobID(job_id)
if job:
self.server.stats("", "Pausing job")
job.pause(status)
self.send_head(content = None)
else:
# no such job id
self.send_head(http.client.NO_CONTENT)
else:
# invalid url
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "/clear":
# cancel all jobs
info_map = self.getInfoMap()
clear = info_map.get("clear", False)
self.server.stats("", "Clearing jobs")
self.server.clear(clear)
self.send_head(content = None)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path.startswith("/reset"):
match = reset_pattern.match(self.path)
if match:
all = match.groups()[0] == 'all'
job_id = match.groups()[1]
job_frame = int(match.groups()[2])
job = self.server.getJobID(job_id)
if job:
if job_frame != 0:
frame = job[job_frame]
if frame:
self.server.stats("", "Reset job frame")
frame.reset(all)
self.send_head(content = None)
else:
# no such frame
self.send_head(http.client.NO_CONTENT)
else:
self.server.stats("", "Reset job")
job.reset(all)
self.send_head(content = None)
else: # job not found
self.send_head(http.client.NO_CONTENT)
else: # invalid url
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "/slave":
length = int(self.headers['content-length'])
# job_frame_string = self.headers['job-frame'] # UNUSED
self.server.stats("", "New slave connected")
slave_info = netrender.model.RenderSlave.materialize(json.loads(str(self.rfile.read(length), encoding='utf8')), cache = False)
slave_id = self.server.addSlave(slave_info.name, self.client_address, slave_info.stats)
self.send_head(headers = {"slave-id": slave_id}, content = None)
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elif self.path == "/log":
length = int(self.headers['content-length'])
log_info = netrender.model.LogFile.materialize(json.loads(str(self.rfile.read(length), encoding='utf8')))
slave_id = log_info.slave_id
slave = self.server.getSeenSlave(slave_id)
if slave: # only if slave id is valid
job = self.server.getJobID(log_info.job_id)
if job:
self.server.stats("", "Log announcement")
job.addLog(log_info.frames)
self.send_head(content = None)
else:
# no such job id
self.send_head(http.client.NO_CONTENT)
else: # invalid slave id
self.send_head(http.client.NO_CONTENT)
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def do_PUT(self):
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if self.path.startswith("/file"):
match = file_pattern.match(self.path)
if match:
self.server.stats("", "Receiving job")
length = int(self.headers['content-length'])
job_id = match.groups()[0]
file_index = int(match.groups()[1])
job = self.server.getJobID(job_id)
if job:
render_file = job.files[file_index]
if render_file:
main_file = job.files[0].filepath # filename of the first file
main_path, main_name = os.path.split(main_file)
if file_index > 0:
file_path = prefixPath(job.save_path, render_file.filepath, main_path)
else:
file_path = os.path.join(job.save_path, main_name)
# add same temp file + renames as slave
self.write_file(file_path)
render_file.filepath = file_path # set the new path
if job.testStart():
self.server.stats("", "File upload, starting job")
self.send_head(content = None)
else:
self.server.stats("", "File upload, file missings")
self.send_head(http.client.ACCEPTED)
else: # invalid file
print("file not found", job_id, file_index)
self.send_head(http.client.NO_CONTENT)
else: # job not found
print("job not found", job_id, file_index)
self.send_head(http.client.NO_CONTENT)
else: # invalid url
print("no match")
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "/render":
self.server.stats("", "Receiving render result")
slave_id = self.headers['slave-id']
slave = self.server.getSeenSlave(slave_id)
if slave: # only if slave id is valid
job_id = self.headers['job-id']
job = self.server.getJobID(job_id)
if job:
job_frame = int(self.headers['job-frame'])
job_result = int(self.headers['job-result'])
job_time = float(self.headers['job-time'])
frame = job[job_frame]
if frame:
self.send_head(content = None)
if job.hasRenderResult():
if job_result == DONE:
self.write_file(os.path.join(job.save_path, "%06d.exr" % job_frame))
elif job_result == ERROR:
# blacklist slave on this job on error
# slaves might already be in blacklist if errors on the whole chunk
if not slave.id in job.blacklist:
job.blacklist.append(slave.id)
slave.finishedFrame(job_frame)
frame.status = job_result
frame.time = job_time
job.testFinished()
else: # frame not found
self.send_head(http.client.NO_CONTENT)
else: # job not found
self.send_head(http.client.NO_CONTENT)
else: # invalid slave id
self.send_head(http.client.NO_CONTENT)
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elif self.path == "/thumb":
self.server.stats("", "Receiving thumbnail result")
slave_id = self.headers['slave-id']
slave = self.server.getSeenSlave(slave_id)
if slave: # only if slave id is valid
job_id = self.headers['job-id']
job = self.server.getJobID(job_id)
if job:
job_frame = int(self.headers['job-frame'])
frame = job[job_frame]
if frame:
self.send_head(content = None)
if job.hasRenderResult():
os.path.join(os.path.join(job.save_path, "%06d.jpg" % job_frame))
else: # frame not found
self.send_head(http.client.NO_CONTENT)
else: # job not found
self.send_head(http.client.NO_CONTENT)
else: # invalid slave id
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path.startswith("/log"):
self.server.stats("", "Receiving log file")
match = log_pattern.match(self.path)
if match:
job_id = match.groups()[0]
job = self.server.getJobID(job_id)
if job:
job_frame = int(match.groups()[1])
frame = job[job_frame]
if frame and frame.log_path:
self.send_head(content = None)
self.write_file(frame.log_path, 'ab')
self.server.getSeenSlave(self.headers['slave-id'])
else: # frame not found
self.send_head(http.client.NO_CONTENT)
else: # job not found
self.send_head(http.client.NO_CONTENT)
else: # invalid url
self.send_head(http.client.NO_CONTENT)
class RenderMasterServer(socketserver.ThreadingMixIn, http.server.HTTPServer):
def __init__(self, address, handler_class, path, subdir=True):
self.jobs = []
self.jobs_map = {}
self.slaves = []
self.slaves_map = {}
self.job_id = 0
if subdir:
self.path = os.path.join(path, "master_" + str(os.getpid()))
else:
self.path = path
if not os.path.exists(self.path):
os.mkdir(self.path)
self.slave_timeout = 5 # 5 mins: need a parameter for that
self.balancer = netrender.balancing.Balancer()
self.balancer.addRule(netrender.balancing.RatingUsageByCategory(self.getJobs))
self.balancer.addRule(netrender.balancing.RatingUsage())
self.balancer.addException(netrender.balancing.ExcludeQueuedEmptyJob())
self.balancer.addException(netrender.balancing.ExcludeSlavesLimit(self.countJobs, self.countSlaves, limit = 0.9))
self.balancer.addPriority(netrender.balancing.NewJobPriority())
self.balancer.addPriority(netrender.balancing.MinimumTimeBetweenDispatchPriority(limit = 2))
super().__init__(address, handler_class)
def restore(self, jobs, slaves, balancer = None):
self.jobs = jobs
self.jobs_map = {}
for job in self.jobs:
self.jobs_map[job.id] = job
self.job_id = max(self.job_id, int(job.id))
self.slaves = slaves
for slave in self.slaves:
self.slaves_map[slave.id] = slave
if balancer:
self.balancer = balancer
def nextJobID(self):
self.job_id += 1
return str(self.job_id)
def addSlave(self, name, address, stats):
slave = MRenderSlave(name, address, stats)
self.slaves.append(slave)
self.slaves_map[slave.id] = slave
return slave.id
def removeSlave(self, slave):
self.slaves.remove(slave)
self.slaves_map.pop(slave.id)
def getSlave(self, slave_id):
return self.slaves_map.get(slave_id)
def getSeenSlave(self, slave_id):
slave = self.getSlave(slave_id)
if slave:
slave.seen()
return slave
def timeoutSlaves(self):
removed = []
t = time.time()
for slave in self.slaves:
if (t - slave.last_seen) / 60 > self.slave_timeout:
removed.append(slave)
if slave.job:
for f in slave.job_frames:
slave.job[f].status = ERROR
for slave in removed:
self.removeSlave(slave)
def updateUsage(self):
blend = 0.5
for job in self.jobs:
job.usage *= (1 - blend)
if self.slaves:
slave_usage = blend / self.countSlaves()
for slave in self.slaves:
if slave.job:
slave.job.usage += slave_usage
def clear(self, clear_files = False):
removed = self.jobs[:]
for job in removed:
self.removeJob(job, clear_files)
def balance(self):
self.balancer.balance(self.jobs)
def getJobs(self):
return self.jobs
def countJobs(self, status = JOB_QUEUED):
total = 0
for j in self.jobs:
if j.status == status:
total += 1
return total
def countSlaves(self):
return len(self.slaves)
def removeJob(self, job, clear_files = False):
self.jobs.remove(job)
self.jobs_map.pop(job.id)
if clear_files:
shutil.rmtree(job.save_path)
for slave in self.slaves:
if slave.job == job:
slave.job = None
slave.job_frames = []
def addJob(self, job):
self.jobs.append(job)
self.jobs_map[job.id] = job
# create job directory
job.save_path = os.path.join(self.path, "job_" + job.id)
if not os.path.exists(job.save_path):
os.mkdir(job.save_path)
job.save()
def getJobID(self, id):
return self.jobs_map.get(id)