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http bugfix thx wa8wg for the report

This commit is contained in:
Max 2018-02-19 20:03:13 -05:00
parent 7bdfe78aa0
commit 6b45a95754
1 changed files with 30 additions and 4 deletions
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34
op25/gr-op25_repeater/apps/http.py
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@ -25,12 +25,14 @@ import re
import json
import socket
import traceback
import threading
from gnuradio import gr
from waitress.server import create_server
my_input_q = None
my_output_q = None
my_recv_q = None
my_port = None
"""
@ -62,7 +64,7 @@ def static_file(environ, start_response):
return status, content_type, output
def post_req(environ, start_response, postdata):
global my_input_q, my_output_q, my_port
global my_input_q, my_output_q, my_recv_q, my_port
try:
data = json.loads(postdata)
msg = gr.message().make_from_string(str(data['command']), -2, data['data'], 0)
@ -74,8 +76,8 @@ def post_req(environ, start_response, postdata):
sys.stderr.write('*** end traceback ***\n')
resp_msg = []
while not my_input_q.empty_p():
msg = my_input_q.delete_head()
while not my_recv_q.empty_p():
msg = my_recv_q.delete_head()
if msg.type() == -4:
resp_msg.append(json.loads(msg.to_string()))
status = '200 OK'
@ -111,9 +113,16 @@ def application(environ, start_response):
sys.exit(1)
return result
def process_qmsg(msg):
if my_recv_q.full_p():
my_recv_q.delete_head_nowait() # ignores result
if my_recv_q.full_p():
return
my_recv_q.insert_tail(msg)
class http_server(object):
def __init__(self, input_q, output_q, endpoint, **kwds):
global my_input_q, my_output_q, my_port
global my_input_q, my_output_q, my_recv_q, my_port
host, port = endpoint.split(':')
if my_port is not None:
raise AssertionError('this server is already active on port %s' % my_port)
@ -121,7 +130,24 @@ class http_server(object):
my_output_q = output_q
my_port = int(port)
my_recv_q = gr.msg_queue(10)
self.q_watcher = queue_watcher(my_input_q, process_qmsg)
self.server = create_server(application, host=host, port=my_port)
def run(self):
self.server.run()
class queue_watcher(threading.Thread):
def __init__(self, msgq, callback, **kwds):
threading.Thread.__init__ (self, **kwds)
self.setDaemon(1)
self.msgq = msgq
self.callback = callback
self.keep_running = True
self.start()
def run(self):
while(self.keep_running):
msg = self.msgq.delete_head()
self.callback(msg)