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import bpy
import sys, os, re
import http, http.client, http.server, urllib
import subprocess, shutil, time, hashlib
import netrender.slave as slave
import netrender.master as master
from netrender.utils import *
def clientSendJob(conn, scene, anim = False, chunks = 5):
netsettings = scene.network_render
job = netrender.model.RenderJob()
if anim:
for f in range(scene.start_frame, scene.end_frame + 1):
job.addFrame(f)
else:
job.addFrame(scene.current_frame)
filename = bpy.data.filename
job.addFile(filename)
job_name = netsettings.job_name
path, name = os.path.split(filename)
if job_name == "[default]":
job_name = name
###########################
# LIBRARIES
###########################
for lib in bpy.data.libraries:
lib_path = lib.filename
if lib_path.startswith("//"):
lib_path = path + os.sep + lib_path[2:]
job.addFile(lib_path)
###########################
# POINT CACHES
###########################
root, ext = os.path.splitext(name)
cache_path = path + os.sep + "blendcache_" + root + os.sep # need an API call for that
if os.path.exists(cache_path):
caches = {}
pattern = re.compile("([a-zA-Z0-9]+)_([0-9]+)_[0-9]+\.bphys")
for cache_file in sorted(os.listdir(cache_path)):
match = pattern.match(cache_file)
if match:
cache_id = match.groups()[0]
cache_frame = int(match.groups()[1])
cache_files = caches.get(cache_id, [])
cache_files.append((cache_frame, cache_file))
caches[cache_id] = cache_files
for cache in caches.values():
cache.sort()
if len(cache) == 1:
cache_frame, cache_file = cache[0]
job.addFile(cache_path + cache_file, cache_frame, cache_frame)
else:
for i in range(len(cache)):
current_item = cache[i]
next_item = cache[i+1] if i + 1 < len(cache) else None
previous_item = cache[i - 1] if i > 0 else None
current_frame, current_file = current_item
if not next_item and not previous_item:
job.addFile(cache_path + current_file, current_frame, current_frame)
elif next_item and not previous_item:
next_frame = next_item[0]
job.addFile(cache_path + current_file, current_frame, next_frame - 1)
elif not next_item and previous_item:
previous_frame = previous_item[0]
job.addFile(cache_path + current_file, previous_frame + 1, current_frame)
else:
next_frame = next_item[0]
previous_frame = previous_item[0]
job.addFile(cache_path + current_file, previous_frame + 1, next_frame - 1)
###########################
# IMAGES
###########################
for image in bpy.data.images:
if image.source == "FILE" and not image.packed_file:
job.addFile(image.filename)
# print(job.files)
job.name = job_name
for slave in scene.network_render.slaves_blacklist:
job.blacklist.append(slave.id)
job.chunks = netsettings.chunks
job.priority = netsettings.priority
# try to send path first
conn.request("POST", "/job", repr(job.serialize()))
response = conn.getresponse()
job_id = response.getheader("job-id")
# if not ACCEPTED (but not processed), send files
if response.status == http.client.ACCEPTED:
for filepath, start, end in job.files:
f = open(filepath, "rb")
conn.request("PUT", "/file", f, headers={"job-id": job_id, "job-file": filepath})
f.close()
response = conn.getresponse()
# server will reply with NOT_FOUD until all files are found
return job_id
def requestResult(conn, job_id, frame):
conn.request("GET", "/render", headers={"job-id": job_id, "job-frame":str(frame)})
@rnaType
class NetworkRenderEngine(bpy.types.RenderEngine):
__idname__ = 'NET_RENDER'
__label__ = "Network Render"
def render(self, scene):
if scene.network_render.mode == "RENDER_CLIENT":
self.render_client(scene)
elif scene.network_render.mode == "RENDER_SLAVE":
self.render_slave(scene)
elif scene.network_render.mode == "RENDER_MASTER":
self.render_master(scene)
else:
print("UNKNOWN OPERATION MODE")
def render_master(self, scene):
netsettings = scene.network_render
address = "" if netsettings.server_address == "[default]" else netsettings.server_address
master.runMaster((address, netsettings.server_port), netsettings.server_broadcast, netsettings.path, self.update_stats, self.test_break)
def render_slave(self, scene):
slave.render_slave(self, scene)
def render_client(self, scene):
netsettings = scene.network_render
self.update_stats("", "Network render client initiation")
conn = clientConnection(scene)
if conn:
# Sending file
self.update_stats("", "Network render exporting")
job_id = netsettings.job_id
# reading back result
self.update_stats("", "Network render waiting for results")
requestResult(conn, job_id, scene.current_frame)
response = conn.getresponse()
if response.status == http.client.NO_CONTENT:
netsettings.job_id = clientSendJob(conn, scene)
requestResult(conn, job_id, scene.current_frame)
while response.status == http.client.ACCEPTED and not self.test_break():
time.sleep(1)
requestResult(conn, job_id, scene.current_frame)
response = conn.getresponse()
if response.status != http.client.OK:
conn.close()
return
r = scene.render_data
x= int(r.resolution_x*r.resolution_percentage*0.01)
y= int(r.resolution_y*r.resolution_percentage*0.01)
f = open(netsettings.path + "output.exr", "wb")
buf = response.read(1024)
while buf:
f.write(buf)
buf = response.read(1024)
f.close()
result = self.begin_result(0, 0, x, y)
result.load_from_file(netsettings.path + "output.exr", 0, 0)
self.end_result(result)
conn.close()
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