/
server.py
executable file
·572 lines (446 loc) · 15.4 KB
/
server.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
#! /usr/bin/env python
#
# IP adress of the master
HOST = '192.168.1.50' # Changed 20 avril 2009
HOST2 = '127.0.0.1'
PORT = 46000
PORT2 = 47000
NB_CORE_MAX = 4
# Base directory
basedir = '/root'
# Results directory
resultsdir = '/data6/results/'
import socket, sys, time, threading, os, sigproc
def get_time():
stime='%02d:%02d:%02d %02d/%02d/%04d'%(time.localtime()[3],time.localtime()[4],time.localtime()[5],time.localtime()[2],time.localtime()[1],time.localtime()[0])
return stime
def write_jobs_queue():
file = open("%s/queue.dat"%basedir, "w")
for job in jobs_list:
file.write("%s %s\n"%(job,jobs[job].box))
file.close()
def read_jobs_queue(jobs):
nb_jobs_sub=0
try:
file = open("%s/queue.dat"%basedir, "r")
for line in file.readlines():
#
(job,box) = line.split()
print job,box
box=box.replace("\n","")
jobs_list.append(job)
jobs_wlist.append(job)
jobs[job]=Job()
jobs[job].box=box
# Determine size
fil_filenm = "/data5/%s"%job.replace(".fbk","_p00.fbk")
filhdr, hdrlen = sigproc.read_header(fil_filenm)
orig_N = sigproc.samples_per_file(fil_filenm, filhdr, hdrlen)
if orig_N > 4194304:
logfile.write('Job %s detected L'%job);logfile.flush()
jobs[job].long=1
###################
nb_jobs_sub += 1
file.close()
return nb_jobs_sub
except:
return 0
def submit_jobs(filename):
"""
To Submit a Job :
jobs_list(job_id)
jobs_wlist(job_id)
jobs[job_id]=Job()
jobs[job_id].box_id
"""
nb_jobs=0
try:
print "Try to open %s"%filename
file = open(filename, "r")
for job in file.readlines():
job=job.replace("\n","")
jobs_list.append(job)
jobs_wlist.append(job)
jobs[job]=Job()
# Determine size
fil_filenm = "/data5/%s"%job.replace(".fbk","_p00.fbk")
filhdr, hdrlen = sigproc.read_header(fil_filenm)
orig_N = sigproc.samples_per_file(fil_filenm, filhdr, hdrlen)
if orig_N > 4194304:
logfile.write('Job %s detected L\n'%job);logfile.flush()
jobs[job].long=1
###################
c=filename.index("/")
jobs[job].box=filename[c+1:]
nb_jobs += 1
file.close()
write_jobs_queue()
return nb_jobs
except: return 0
def submit_a_job(job,box):
"""
To resubmit a job after deletion by 'remove_a_job'
"""
jobs_list.append(job)
jobs_wlist.append(job)
jobs[job]=Job()
jobs[job].box=box
# Determine size
fil_filenm = "/data5/%s"%job.replace(".fbk","_p00.fbk")
filhdr, hdrlen = sigproc.read_header(fil_filenm)
orig_N = sigproc.samples_per_file(fil_filenm, filhdr, hdrlen)
if orig_N > 4194304:
logfile.write('Job %s detected L'%job);logfile.flush()
jobs[job].long=1
else:
jobs[job].long=0
###################
write_jobs_queue()
def remove_a_job(job):
"""
Remove a job from the database. ie: A node has crashed
Should resubmit it after with 'submit_a_job'
"""
try:
jobs_list.remove(job)
jobs_wlist.remove(job)
del jobs[job]
return 1
except:
return 0
def check_nodes(nodes):
"""
Check the nodes which are IDLE or BUSY
Send the PING command
"""
#print nodes
msg_send='PING'
for node in nodes.keys():
#if 'IDLE' in nodes[node].status[0] or 'BUSY' in nodes[node].status[0]:
#print "Try to send %s to %s"%(msg_send,node)
try:
nodes[node].conn.send(msg_send)
except socket.error, e:
for i in range(nodes[node].nb_cpus):
nodes[node].status[i]='OFFLINE'
# Check if jobs and restart them
job=nodes[node].job[i]
#box=jobs[job].box
if not "none" in job:
nodes[node].job[i]='none' # Remove job in the node status
box=jobs[job].box
remove_a_job(job)
submit_a_job(job,box)
try:
nodes[node].conn.close()
except:
pass
except IOError, e:
for i in range(nodes[node].nb_cpus):
nodes[node].status[i]='OFFLINE'
# Check if jobs and restart them
job=nodes[node].job[i]
#box=jobs[job].box
if not "none" in job:
nodes[node].job[i]='none' # Remove job in the node status
box=jobs[job].box
remove_a_job(job)
submit_a_job(job,box)
try:
nodes[node].conn.close()
except:
pass
class Job:
'''Job info for database. Key is the jobfilename'''
def __init__(self):
self.status="Q"
self.node="none"
self.t_start="none none"
self.t_end="none none"
self.nb_cands=0
self.box="none"
self.long=0 # USE THREADS
class Node:
'''Node Status'''
def __init__(self,node_name,nb_cpus,conn):
self.node_name=node_name
self.nb_cpus=nb_cpus
self.conn=conn
self.status=[]
self.info=[]
self.core_name=[]
self.job=[]
self.reserved=0
class ThreadCommand(threading.Thread):
'''thread pour gerer la reception des commandes'''
def __init__(self):
threading.Thread.__init__(self)
def run(self):
# Initialisation du serveur - Mise en place du socket pour recevoir les ordres:
sock_com = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
sock_com.bind((HOST2, PORT2))
except socket.error:
print "ThreadCommand failed !",socket.error
sys.exit()
sock_com.listen(2)
logfile.write("%s> Server ready to receive commands ...\n"%time.asctime())
# Dialogue avec le client :
nom = self.getName() # Chaque thread possede un nom
while 1:
# Receive command
connection, adresse = sock_com.accept()
msg_rcv = connection.recv(1024)
command=msg_rcv.split()[0]
# Submit new jobs
if command=='SUBMIT':
filename=msg_rcv.split()[1]
nb_jobs=submit_jobs(filename)
msg_send="OK %d"%(nb_jobs)
logfile.write("%d jobs submitted"%nb_jobs);logfile.flush()
connection.send(msg_send)
# Nodes infos
elif command=='INFO':
msg_send="OK %d"%(len( nodes.keys() ))
connection.send(msg_send)
time.sleep(0.1)
for node in nodes.keys():
msg_send="%s %d %s %d"%(nodes[node].node_name,nodes[node].nb_cpus," ".join(nodes[node].status),nodes[node].reserved)
print msg_send
connection.send(msg_send)
time.sleep(0.001)
# List status of job
elif command=='LISTJOB':
msg_send="OK %d"%(len(jobs))
connection.send(msg_send)
time.sleep(0.1)
for job in jobs_list:
msg_send="%s %s %s %s %d"%(job,jobs[job].status,jobs[job].node,jobs[job].t_start,jobs[job].long)
print msg_send
connection.send(msg_send)
time.sleep(0.001)
# List status of job
elif command=='DELJOB':
job2del=msg_rcv.split()[1]
status=remove_a_job(job2del)
if(status):
msg_send="OK %s"%(job2del)
else:
msg_send="FAILED %s"%(job2del)
logfile.write("DELJOB %s"%msg_send);logfile.flush()
connection.send(msg_send)
# Stop cluster
elif command=='HALT':
print "Call to HALT"
msg_send="OK"
connection.send(msg_send)
for node in nodes.keys():
cmd="ssh %s \"killall python\""%node
print cmd
os.system(cmd)
cmd="killall python"
os.system(cmd)
sys.exit(0);
# Stop a node
elif command=='HALTNODE':
selected_node = msg_rcv.split()[1]
print "Call to stop node %s"%selected_node
if nodes.has_key(selected_node):
cmd="ssh %s \"killall python\""%selected_node
print cmd
os.system(cmd)
msg_send="OK"
connection.send(msg_send)
# Reserve a node
elif command=='RESERVE':
selected_node = msg_rcv.split()[1]
if nodes.has_key(selected_node):
print "Want to reserve node %s for threaded jobs"%selected_node
if nodes[selected_node].reserved==1:
nodes[selected_node].reserved=0
elif nodes[selected_node].reserved==0:
nodes[selected_node].reserved=1
msg_send="OK"
else:
msg_send="ERROR"
connection.send(msg_send)
# Ask for status - Send OK
elif command=='STATUS':
msg_send="OK"
connection.send(msg_send)
connection.close() # couper la connexion cote serveur
#time.sleep(1)
print "Exit thread for command.py"
class ThreadJob(threading.Thread):
'''thread pour lancer les jobs'''
def __init__(self):
threading.Thread.__init__(self)
def run(self):
# Loop to submit jobs every 5s
while 1:
submitted=0
# Check nodes status
check_nodes(nodes)
# Main Loop : if there is jobs waiting
if len(jobs_wlist) > 0:
logfile.write("long job ? %d\n"%jobs[jobs_wlist[0]].long);logfile.flush()
# Job long - Cherche un noeud reserve a 4 coeurs libre pour threader le process
if jobs[jobs_wlist[0]].long:
for node in nodes.keys():
if nodes[node].nb_cpus == 4 and nodes[node].reserved==1 and nodes[node].status[0]=='IDLE' and nodes[node].status[1]=='IDLE' and nodes[node].status[2]=='IDLE' and nodes[node].status[3]=='IDLE':
msg_send="JOB_L %s %s %s"%(jobs_wlist[0],nodes[node].core_name[0],jobs[jobs_wlist[0]].box)
logfile.write(msg_send);logfile.flush()
nodes[node].conn.send(msg_send)
directory = "%s/%s"%(resultsdir,jobs[jobs_wlist[0]].box)
try:
os.makedirs(directory)
except:
pass
jobs[jobs_wlist[0]].status = 'R' # Job status is running
del jobs_wlist[0] # Remove Job from the waiting queue
submitted=1
break
#if submitted==1: break
else: # Job court
# Loop over all CPU0, then CPU1, CPU2, assuming a max of NB_CORE_MAX cores per computer
logfile.write('Job court\n');logfile.flush()
for i in range(NB_CORE_MAX):
#print node.node_name
#for i in range(nodes[node].nb_cpus):
for node in nodes.keys():
# Noeud non reserve
if nodes[node].reserved==0:
if i<nodes[node].nb_cpus: # Si moins de NB_CORE_MAX cores
if nodes[node].status[i]=='IDLE':
#print "coeur dispo : %s"%(nodes[node].core_name[i])
#print "Submit JOB %s on %s"%(jobs_wlist[0],nodes[node].core_name[i])
msg_send="JOB %s %s %s"%(jobs_wlist[0],nodes[node].core_name[i],jobs[jobs_wlist[0]].box)
logfile.write(msg_send);logfile.flush()
nodes[node].conn.send(msg_send)
directory = "%s/%s"%(resultsdir,jobs[jobs_wlist[0]].box)
try:
os.makedirs(directory)
except:
pass
jobs[jobs_wlist[0]].status = 'R' # Job status is running
del jobs_wlist[0] # Remove Job from the waiting queue
submitted=1
break
if submitted==1: break
# Sleep for 5s before to loop
time.sleep(5)
write_jobs_queue()
class ThreadNode(threading.Thread):
'''thread pour gerer la reception des commandes'''
def __init__(self, conn):
threading.Thread.__init__(self)
self.connection = conn
# self.msg_rcv=msg_rcv
def run(self):
while 1:
try:
msg_rcv = self.connection.recv(1024)
except socket.error, e:
#print "ThreadNode error1"
self.connection.close() #MODI
break
except IOError, e:
#print "ThreadNode error2"
self.connection.close() #MODI
break
if len(msg_rcv)>1:
command=msg_rcv.split()[0]
if command=='CONNECT': # A node want to connect
node_name=msg_rcv.split()[1]
nb_cpus=int(msg_rcv.split()[2])
# If known node
if nodes.has_key(node_name):
logfile.write("%s> %s Reconnected\n"%(time.asctime(),node_name))
nodes[node_name].conn=self.connection
for i in range(nodes[node_name].nb_cpus):
nodes[node_name].status[i]='IDLE'
nodes[node_name].job[i]='none'
#nodes[node_name].core_name[i]=('%s-%d'%(node_name,i))
# New node
else:
nodes[node_name]=Node(node_name,nb_cpus,self.connection)
#nodes_name.append(node_name)
for i in range(nodes[node_name].nb_cpus):
nodes[node_name].status.append('IDLE')
nodes[node_name].core_name.append('%s-%d'%(node_name,i))
nodes[node_name].job.append('none')
logfile.write("%s> %s added to nodelist\n"%(time.asctime(),node_name))
print "%s> %s added to nodelist\n"%(time.asctime(),node_name)
logfile.flush()
if command=='JOB': # Report from a node about a JOB
job = msg_rcv.split()[1]
core_name = msg_rcv.split()[2]
(node_name,core_idx) = core_name.split('-')
i=int(core_idx)
print "%s %s %s %d\n"%(msg_rcv,job,node_name,i)
if msg_rcv.split()[3]=='START':
#print 'DEBUG : received START from node, msg=%s'%msg_rcv
nodes[node_name].status[i]='BUSY'
nodes[node_name].job[i]=job
#jobs[job].status = 'R'
#print 'DEBUG : jobs:',jobs
jobs[job].node = node_name
jobs[job].t_start = get_time()
elif msg_rcv.split()[3]=='JOIN-RFI':
nodes[node_name].status[i]='JOIN-RFI'
elif msg_rcv.split()[3]=='PREP-ACCEL-SP':
nodes[node_name].status[i]='PREP-ACCEL-SP'
elif msg_rcv.split()[3]=='SIFT':
nodes[node_name].status[i]='SIFT'
elif msg_rcv.split()[3]=='FOLDING':
nodes[node_name].status[i]='FOLDING'
elif msg_rcv.split()[3]=='COMPRESS':
nodes[node_name].status[i]='COMPRESS'
elif msg_rcv.split()[3]=='FINISHED':
nodes[node_name].status[i]='IDLE'
nodes[node_name].job[i]='none'
jobs[job].t_end = get_time()
jobs[job].nb_cands = msg_rcv.split()[4]
# Add infos to database
dbfile.write("%s %s %s %s %s\n"%(job,jobs[job].node,jobs[job].t_start,jobs[job].t_end,jobs[job].nb_cands))
dbfile.flush()
# Remove job
del( jobs_list[jobs_list.index(job)] )
del(jobs[job])
#core_name=msg_rcv.split()[1]
print "exit thread"
###########################################################################
jobs = {} # dictionnaire des jobs
jobs_list = [] # liste des jobs en attente et en cours de traitement
jobs_wlist = [] # liste des jobs en attente
box_list = []
cores = {}
nodes = {} # Dictionnaire des noeuds
# Open logfile in append mode
logfile = open("%s/log.dat"%basedir,'a')
# Open database in append mode
dbfile = open("%s/database.dat"%basedir,'a')
# Threads to receive orders
thread_com = ThreadCommand()
thread_com.start()
# Thread for jobs
thread_job = ThreadJob()
thread_job.start()
# Initialisation du serveur :
con = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
con.bind((HOST, PORT))
except socket.error:
logfile.write("%s> Initialisation of server failed !\n"%time.asctime())
sys.exit()
logfile.write("%s> Server ready, waiting for connections...\n"%time.asctime())
logfile.flush()
con.listen(64)
# First read the queue.log
logfile.write("%s> Read %d jobs from queue.log\n"%(time.asctime(),read_jobs_queue(jobs)))
# Main loop
while 1:
connection, adresse = con.accept()
thread_node = ThreadNode(connection)
thread_node.start()
sys.exit()