blender/release/scripts/io/netrender/slave.py
Martin Poirier 139f456bd1 NetRender
Repath functionality: Edit paths in blend file on slaves to match the transfered files.
Tested with textures and point caches. Fluid should work. Point Caches with the External option might not.


This should fix previous problems when using absolute paths in blend files.
2010-05-02 21:34:08 +00:00

296 lines
11 KiB
Python

# ##### 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.
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# ##### END GPL LICENSE BLOCK #####
import sys, os, platform, shutil
import http, http.client, http.server, urllib
import subprocess, time
from netrender.utils import *
import netrender.model
import netrender.repath
BLENDER_PATH = sys.argv[0]
CANCEL_POLL_SPEED = 2
MAX_TIMEOUT = 10
INCREMENT_TIMEOUT = 1
if platform.system() == 'Windows' and platform.version() >= '5': # Error mode is only available on Win2k or higher, that's version 5
import ctypes
def SetErrorMode():
val = ctypes.windll.kernel32.SetErrorMode(0x0002)
ctypes.windll.kernel32.SetErrorMode(val | 0x0002)
return val
def RestoreErrorMode(val):
ctypes.windll.kernel32.SetErrorMode(val)
else:
def SetErrorMode():
return 0
def RestoreErrorMode(val):
pass
def clearSlave(path):
shutil.rmtree(path)
def slave_Info():
sysname, nodename, release, version, machine, processor = platform.uname()
slave = netrender.model.RenderSlave()
slave.name = nodename
slave.stats = sysname + " " + release + " " + machine + " " + processor
return slave
def testCancel(conn, job_id, frame_number):
conn.request("HEAD", "/status", headers={"job-id":job_id, "job-frame": str(frame_number)})
# cancelled if job isn't found anymore
if conn.getresponse().status == http.client.NO_CONTENT:
return True
else:
return False
def testFile(conn, job_id, slave_id, rfile, JOB_PREFIX, main_path = None):
job_full_path = prefixPath(JOB_PREFIX, rfile.filepath, main_path)
found = os.path.exists(job_full_path)
if found:
found_signature = hashFile(job_full_path)
found = found_signature == rfile.signature
if not found:
print("Found file %s at %s but signature mismatch!" % (rfile.filepath, job_full_path))
job_full_path = prefixPath(JOB_PREFIX, rfile.filepath, main_path, force = True)
if not found:
temp_path = JOB_PREFIX + "slave.temp"
conn.request("GET", fileURL(job_id, rfile.index), headers={"slave-id":slave_id})
response = conn.getresponse()
if response.status != http.client.OK:
return None # file for job not returned by server, need to return an error code to server
f = open(temp_path, "wb")
buf = response.read(1024)
while buf:
f.write(buf)
buf = response.read(1024)
f.close()
os.renames(temp_path, job_full_path)
rfile.filepath = job_full_path
return job_full_path
def render_slave(engine, netsettings, threads):
timeout = 1
engine.update_stats("", "Network render node initiation")
conn = clientConnection(netsettings.server_address, netsettings.server_port)
if conn:
conn.request("POST", "/slave", repr(slave_Info().serialize()))
response = conn.getresponse()
slave_id = response.getheader("slave-id")
NODE_PREFIX = netsettings.path + "slave_" + slave_id + os.sep
if not os.path.exists(NODE_PREFIX):
os.mkdir(NODE_PREFIX)
engine.update_stats("", "Network render connected to master, waiting for jobs")
while not engine.test_break():
conn.request("GET", "/job", headers={"slave-id":slave_id})
response = conn.getresponse()
if response.status == http.client.OK:
timeout = 1 # reset timeout on new job
job = netrender.model.RenderJob.materialize(eval(str(response.read(), encoding='utf8')))
engine.update_stats("", "Network render processing job from master")
JOB_PREFIX = NODE_PREFIX + "job_" + job.id + os.sep
if not os.path.exists(JOB_PREFIX):
os.mkdir(JOB_PREFIX)
if job.type == netrender.model.JOB_BLENDER:
job_path = job.files[0].filepath # path of main file
main_path, main_file = os.path.split(job_path)
job_full_path = testFile(conn, job.id, slave_id, job.files[0], JOB_PREFIX)
print("Fullpath", job_full_path)
print("File:", main_file, "and %i other files" % (len(job.files) - 1,))
for rfile in job.files[1:]:
testFile(conn, job.id, slave_id, rfile, JOB_PREFIX, main_path)
print("\t", rfile.filepath)
netrender.repath.update(job)
engine.update_stats("", "Render File "+ main_file+ " for job "+ job.id)
# announce log to master
logfile = netrender.model.LogFile(job.id, slave_id, [frame.number for frame in job.frames])
conn.request("POST", "/log", bytes(repr(logfile.serialize()), encoding='utf8'))
response = conn.getresponse()
first_frame = job.frames[0].number
# start render
start_t = time.time()
if job.type == netrender.model.JOB_BLENDER:
frame_args = []
for frame in job.frames:
print("frame", frame.number)
frame_args += ["-f", str(frame.number)]
val = SetErrorMode()
process = subprocess.Popen([BLENDER_PATH, "-b", "-noaudio", job_full_path, "-t", str(threads), "-o", JOB_PREFIX + "######", "-E", "BLENDER_RENDER", "-F", "MULTILAYER"] + frame_args, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
RestoreErrorMode(val)
elif job.type == netrender.model.JOB_PROCESS:
command = job.frames[0].command
val = SetErrorMode()
process = subprocess.Popen(command.split(" "), stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
RestoreErrorMode(val)
headers = {"slave-id":slave_id}
cancelled = False
stdout = bytes()
run_t = time.time()
while not cancelled and process.poll() == None:
stdout += process.stdout.read(1024)
current_t = time.time()
cancelled = engine.test_break()
if current_t - run_t > CANCEL_POLL_SPEED:
# update logs if needed
if stdout:
# (only need to update on one frame, they are linked
conn.request("PUT", logURL(job.id, first_frame), stdout, headers=headers)
response = conn.getresponse()
# Also output on console
if netsettings.slave_thumb:
print(str(stdout, encoding='utf8'), end="")
stdout = bytes()
run_t = current_t
if testCancel(conn, job.id, first_frame):
cancelled = True
if job.type == netrender.model.JOB_BLENDER:
netrender.repath.reset(job)
# read leftovers if needed
stdout += process.stdout.read()
if cancelled:
# kill process if needed
if process.poll() == None:
process.terminate()
continue # to next frame
# flush the rest of the logs
if stdout:
# Also output on console
if netsettings.slave_thumb:
print(str(stdout, encoding='utf8'), end="")
# (only need to update on one frame, they are linked
conn.request("PUT", logURL(job.id, first_frame), stdout, headers=headers)
if conn.getresponse().status == http.client.NO_CONTENT:
continue
total_t = time.time() - start_t
avg_t = total_t / len(job.frames)
status = process.returncode
print("status", status)
headers = {"job-id":job.id, "slave-id":slave_id, "job-time":str(avg_t)}
if status == 0: # non zero status is error
headers["job-result"] = str(DONE)
for frame in job.frames:
headers["job-frame"] = str(frame.number)
if job.type == netrender.model.JOB_BLENDER:
# send image back to server
filename = JOB_PREFIX + "%06d" % frame.number + ".exr"
# thumbnail first
if netsettings.slave_thumb:
thumbname = thumbnail(filename)
f = open(thumbname, 'rb')
conn.request("PUT", "/thumb", f, headers=headers)
f.close()
conn.getresponse()
f = open(filename, 'rb')
conn.request("PUT", "/render", f, headers=headers)
f.close()
if conn.getresponse().status == http.client.NO_CONTENT:
continue
elif job.type == netrender.model.JOB_PROCESS:
conn.request("PUT", "/render", headers=headers)
if conn.getresponse().status == http.client.NO_CONTENT:
continue
else:
headers["job-result"] = str(ERROR)
for frame in job.frames:
headers["job-frame"] = str(frame.number)
# send error result back to server
conn.request("PUT", "/render", headers=headers)
if conn.getresponse().status == http.client.NO_CONTENT:
continue
engine.update_stats("", "Network render connected to master, waiting for jobs")
else:
if timeout < MAX_TIMEOUT:
timeout += INCREMENT_TIMEOUT
for i in range(timeout):
time.sleep(1)
if engine.test_break():
break
conn.close()
if netsettings.slave_clear:
clearSlave(NODE_PREFIX)
if __name__ == "__main__":
pass