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import sys, os
import http, http.client, http.server, urllib, socket
import subprocess, shutil, time, hashlib
from netrender.utils import *
import netrender.model
JOB_WAITING = 0 # before all data has been entered
JOB_PAUSED = 1 # paused by user
JOB_QUEUED = 2 # ready to be dispatched
class MRenderFile:
def __init__(self, filepath, start, end):
self.filepath = filepath
self.start = start
self.end = end
self.found = False
def test(self):
self.found = os.path.exists(self.filepath)
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.frame = None
netrender.model.RenderSlave._slave_map[self.id] = self
def seen(self):
self.last_seen = time.time()
# sorting key for jobs
def groupKey(job):
return (job.status, job.framesLeft() > 0, job.priority, job.credits)
class MRenderJob(netrender.model.RenderJob):
def __init__(self, job_id, name, files, chunks = 1, priority = 1, credits = 100.0, blacklist = []):
super().__init__()
self.id = job_id
self.name = name
self.files = files
self.frames = []
self.chunks = chunks
self.priority = priority
self.credits = credits
self.blacklist = blacklist
self.last_dispatched = time.time()
# special server properties
self.save_path = ""
self.files_map = {path: MRenderFile(path, start, end) for path, start, end in files}
self.status = JOB_WAITING
def save(self):
if self.save_path:
f = open(self.save_path + "job.txt", "w")
f.write(repr(self.serialize()))
f.close()
def testStart(self):
for f in self.files_map.values():
if not f.test():
return False
self.start()
return True
def start(self):
self.status = JOB_QUEUED
def update(self):
self.credits -= 5 # cost of one frame
self.credits += (time.time() - self.last_dispatched) / 60
self.last_dispatched = time.time()
def addFrame(self, frame_number):
frame = MRenderFrame(frame_number)
self.frames.append(frame)
return frame
def framesLeft(self):
total = 0
for j in self.frames:
if j.status == QUEUED:
total += 1
return total
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.update()
frames.append(f)
if len(frames) >= self.chunks:
break
return frames
class MRenderFrame(netrender.model.RenderFrame):
def __init__(self, frame):
super().__init__()
self.number = frame
self.slave = None
self.time = 0
self.status = QUEUED
def reset(self, all):
if all or self.status == ERROR:
self.slave = None
self.time = 0
self.status = QUEUED
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
class RenderHandler(http.server.BaseHTTPRequestHandler):
def send_head(self, code = http.client.OK, headers = {}):
self.send_response(code)
self.send_header("Content-type", "application/octet-stream")
for key, value in headers.items():
self.send_header(key, value)
self.end_headers()
def do_HEAD(self):
print(self.path)
if self.path == "status":
job_id = self.headers.get('job-id', "")
job_frame = int(self.headers.get('job-frame', -1))
if job_id:
print("status:", job_id, "\n")
job = self.server.getJobByID(job_id)
if job:
if job_frame != -1:
frame = job[frame]
if not frame:
# no such frame
self.send_heat(http.client.NO_CONTENT)
return
else:
# no such job id
self.send_head(http.client.NO_CONTENT)
return
self.send_head()
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
def do_GET(self):
print(self.path)
if self.path == "version":
self.send_head()
self.server.stats("", "New client connection")
self.wfile.write(VERSION)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "render":
job_id = self.headers['job-id']
job_frame = int(self.headers['job-frame'])
print("render:", job_id, job_frame)
job = self.server.getJobByID(job_id)
if job:
frame = job[job_frame]
if frame:
if frame.status in (QUEUED, DISPATCHED):
self.send_head(http.client.ACCEPTED)
elif frame.status == DONE:
self.server.stats("", "Sending result back to client")
f = open(job.save_path + "%04d" % job_frame + ".exr", 'rb')
self.send_head()
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)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "log":
job_id = self.headers['job-id']
job_frame = int(self.headers['job-frame'])
print("log:", job_id, job_frame)
job = self.server.getJobByID(job_id)
if job:
frame = job[job_frame]
if frame:
if frame.status in (QUEUED, DISPATCHED):
self.send_head(http.client.PROCESSING)
else:
self.server.stats("", "Sending log back to client")
f = open(job.save_path + "%04d" % job_frame + ".log", 'rb')
self.send_head()
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)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "status":
job_id = self.headers.get('job-id', "")
job_frame = int(self.headers.get('job-frame', -1))
if job_id:
print("status:", job_id, "\n")
job = self.server.getJobByID(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.send_head()
self.wfile.write(bytes(repr(message), encoding='utf8'))
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "job":
self.server.update()
slave_id = self.headers['slave-id']
print("slave-id", slave_id)
slave = self.server.updateSlave(slave_id)
if slave: # only if slave id is valid
job, frames = self.server.getNewJob(slave_id)
if job and frames:
for f in frames:
print("dispatch", f.number)
f.status = DISPATCHED
f.slave = slave
self.send_head(headers={"job-id": job.id})
message = job.serialize(frames)
self.wfile.write(bytes(repr(message), encoding='utf8'))
self.server.stats("", "Sending job frame to render node")
else:
# no job available, return error code
self.send_head(http.client.ACCEPTED)
else: # invalid slave id
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "file":
slave_id = self.headers['slave-id']
slave = self.server.updateSlave(slave_id)
if slave: # only if slave id is valid
job_id = self.headers['job-id']
job_file = self.headers['job-file']
print("job:", job_id, "\n")
print("file:", job_file, "\n")
job = self.server.getJobByID(job_id)
if job:
render_file = job.files_map.get(job_file, None)
if render_file:
self.server.stats("", "Sending file to render node")
f = open(render_file.path, 'rb')
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 slave id
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "slave":
message = []
for slave in self.server.slaves:
message.append(slave.serialize())
self.send_head()
self.wfile.write(bytes(repr(message), encoding='utf8'))
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
def do_POST(self):
print(self.path)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
if self.path == "job":
print("posting job info")
self.server.stats("", "Receiving job")
length = int(self.headers['content-length'])
job_info = netrender.model.RenderJob.materialize(eval(str(self.rfile.read(length), encoding='utf8')))
job_id = self.server.nextJobID()
print(job_info.files)
job = MRenderJob(job_id, job_info.name, job_info.files, chunks = job_info.chunks, priority = job_info.priority, blacklist = job_info.blacklist)
for frame in job_info.frames:
frame = job.addFrame(frame.number)
self.server.addJob(job)
headers={"job-id": job_id}
if job.testStart():
self.send_head(headers=headers)
else:
self.send_head(http.client.ACCEPTED, headers=headers)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "cancel":
job_id = self.headers.get('job-id', "")
if job_id:
print("cancel:", job_id, "\n")
self.server.removeJob(job_id)
else: # cancel all jobs
self.server.clear()
self.send_head()
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "reset":
job_id = self.headers.get('job-id', "")
job_frame = int(self.headers.get('job-frame', "-1"))
all = bool(self.headers.get('reset-all', "False"))
job = self.server.getJobByID(job_id)
if job:
if job_frame != -1:
job[job_frame].reset(all)
else:
job.reset(all)
self.send_head()
else: # job not found
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "slave":
length = int(self.headers['content-length'])
job_frame_string = self.headers['job-frame']
slave_info = netrender.model.RenderSlave.materialize(eval(str(self.rfile.read(length), encoding='utf8')))
slave_id = self.server.addSlave(slave_info.name, self.client_address, slave_info.stats)
self.send_head(headers = {"slave-id": slave_id})
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
def do_PUT(self):
print(self.path)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
if self.path == "file":
print("writing blend file")
self.server.stats("", "Receiving job")
length = int(self.headers['content-length'])
job_id = self.headers['job-id']
job_file = self.headers['job-file']
job = self.server.getJobByID(job_id)
if job:
render_file = job.files_map.get(job_file, None)
if render_file:
main_file = job.files[0]
main_path, main_name = os.path.split(main_file)
if job_file != main_file:
file_path = prefixPath(job.save_path, job_file, main_path)
else:
file_path = job.save_path + main_name
buf = self.rfile.read(length)
# add same temp file + renames as slave
f = open(file_path, "wb")
f.write(buf)
f.close()
del buf
render_file.path = file_path # set the new path
if job.testStart():
self.send_head(headers=headers)
else:
self.send_head(http.client.ACCEPTED, headers=headers)
else: # invalid file
self.send_head(http.client.NO_CONTENT)
else: # job not found
self.send_head(http.client.NO_CONTENT)
# =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
elif self.path == "render":
print("writing result file")
self.server.stats("", "Receiving render result")
slave_id = self.headers['slave-id']
slave = self.server.updateSlave(slave_id)
if slave: # only if slave id is valid
job_id = self.headers['job-id']
job = self.server.getJobByID(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 job_result == DONE:
length = int(self.headers['content-length'])
buf = self.rfile.read(length)
f = open(job.save_path + "%04d" % job_frame + ".exr", 'wb')
f.write(buf)
f.close()
del buf
elif job_result == ERROR:
# blacklist slave on this job on error
job.blacklist.append(slave.id)
frame.status = job_result
frame.time = job_time
self.server.updateSlave(self.headers['slave-id'])
self.send_head()
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 == "log":
print("writing log file")
self.server.stats("", "Receiving log file")
job_id = self.headers['job-id']
job = self.server.getJobByID(job_id)
if job:
length = int(self.headers['content-length'])
job_frame = int(self.headers['job-frame'])
buf = self.rfile.read(length)
f = open(job.save_path + "%04d" % job_frame + ".log", 'ab')
f.write(buf)
f.close()
del buf
self.server.updateSlave(self.headers['slave-id'])
self.send_head()
else: # job not found
self.send_head(http.client.NO_CONTENT)
class RenderMasterServer(http.server.HTTPServer):
def __init__(self, address, handler_class, path):
super().__init__(address, handler_class)
self.jobs = []
self.jobs_map = {}
self.slaves = []
self.slaves_map = {}
self.job_id = 0
self.path = path + "master_" + str(os.getpid()) + os.sep
if not os.path.exists(self.path):
os.mkdir(self.path)
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 getSlave(self, slave_id):
return self.slaves_map.get(slave_id, None)
def updateSlave(self, slave_id):
slave = self.getSlave(slave_id)
if slave:
slave.seen()
return slave
def clear(self):
self.jobs_map = {}
self.jobs = []
def update(self):
self.jobs.sort(key = groupKey)
def removeJob(self, id):
job = self.jobs_map.pop(id)
if job:
self.jobs.remove(job)
def addJob(self, job):
self.jobs.append(job)
self.jobs_map[job.id] = job
# create job directory
job.save_path = self.path + "job_" + job.id + os.sep
if not os.path.exists(job.save_path):
os.mkdir(job.save_path)
job.save()
def getJobByID(self, id):
return self.jobs_map.get(id, None)
def __iter__(self):
for job in self.jobs:
yield job
def getNewJob(self, slave_id):
if self.jobs:
for job in reversed(self.jobs):
if job.status == JOB_QUEUED and job.framesLeft() > 0 and slave_id not in job.blacklist:
return job, job.getFrames()
return None, None
def runMaster(address, broadcast, path, update_stats, test_break):
httpd = RenderMasterServer(address, RenderHandler, path)
httpd.timeout = 1
httpd.stats = update_stats
if broadcast:
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
start_time = time.time()
while not test_break():
httpd.handle_request()
if broadcast:
if time.time() - start_time >= 10: # need constant here
print("broadcasting address")
s.sendto(bytes("%s:%i" % address, encoding='utf8'), 0, ('<broadcast>',address[1]))
start_time = time.time()
|