mncc_sock.py: distinguish traffic frames
Change-Id: I996513e433bb57f12a4030391697f4e87e6ff938changes/56/11156/1
parent
8a8b422dcf
commit
c43f321e6e
29
mncc_sock.py
29
mncc_sock.py
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@ -26,6 +26,10 @@ class mncc_msg_common:
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def is_rtp(self):
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return self.msg_type in (mncc.MNCC_RTP_CREATE,
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mncc.MNCC_RTP_CONNECT, mncc.MNCC_RTP_FREE)
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def is_frame(self):
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return self.msg_type in (mncc.GSM_TCHF_FRAME,
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mncc.GSM_TCHH_FRAME, mncc.GSM_TCHF_FRAME_EFR,
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mncc.GSM_TCH_FRAME_AMR, mncc.GSM_BAD_FRAME)
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class mncc_msg(mncc.gsm_mncc, mncc_msg_common):
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def __str__(self):
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@ -39,6 +43,28 @@ class mncc_hello_msg(mncc.gsm_mncc_hello, mncc_msg_common):
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def __unicode__(self):
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return u'mncc_hello_msg(version=0x%04x)' % (self.version)
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class mncc_data_frame_msg(mncc.gsm_data_frame, mncc_msg_common):
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def __str__(self):
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return 'mncc_data_frame(type=0x%04x, codec=%s, callref=%u)' \
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% (self.msg_type, self.codec_str(), self.callref)
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def __unicode__(self):
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return u'mncc_data_frame(type=0x%04x, codec=%s, callref=%u)' \
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% (self.msg_type, self.codec_str(), self.callref)
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def codec_str(self):
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if self.msg_type == mncc.GSM_TCHF_FRAME:
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return "FR"
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elif self.msg_type == mncc.GSM_TCHH_FRAME:
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return "HR"
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elif self.msg_type == mncc.GSM_TCHF_FRAME_EFR:
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return "EFR"
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elif self.msg_type == mncc.GSM_TCH_FRAME_AMR:
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return "AMR"
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elif self.msg_type == mncc.GSM_BAD_FRAME:
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return "(BFI)"
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else:
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return "(???)"
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class mncc_rtp_msg(mncc.gsm_mncc_rtp, mncc_msg_common):
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def __str__(self):
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return 'mncc_rtp_msg(type=0x%04x, callref=%u, ip=%x, port=%u)' % (self.msg_type, self.callref, self.ip, self.port)
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@ -83,6 +109,9 @@ class MnccSocketBase(object):
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if ms.is_rtp():
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ms = mncc_rtp_msg()
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ms.receive(data)
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elif ms.is_frame():
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ms = mncc_data_frame_msg()
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ms.receive(data)
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elif ms.msg_type == mncc.MNCC_SOCKET_HELLO:
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ms = mncc_hello_msg()
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ms.receive(data)
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@ -35,6 +35,10 @@ class MnccActor(pykka.ThreadingActor):
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def mncc_rx_thread(mncc_sock):
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while 1:
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msg = mncc_sock.recv()
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if msg.is_frame():
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print("Dropping traffic frame: %s" % msg)
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continue
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print "MnccActor RxMNCC %s, broadcasting to Call FSMs" % msg
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# we simply broadcast to all calls
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pykka.ActorRegistry.broadcast({'type': 'mncc', 'msg': msg}, GsmCallFsm)
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