move openbsc/* to repos root

This is the first step in creating this repository from the legacy openbsc.git.

Like all other Osmocom repositories, keep the autoconf and automake files in
the repository root. openbsc.git has been the sole exception, which ends now.

Change-Id: I9c6f2a448d9cb1cc088cf1cf6918b69d7e69b4e7

1 files changed, 60 insertions, 0 deletions

diff --git a/contrib/mgcp_server.py b/contrib/mgcp_server.py
new file mode 100755
index 000000000..05c489db5
--- /dev/null
+++ b/contrib/mgcp_server.py
@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+# Simple server for mgcp... send audit, receive response..
+
+import socket, time
+
+MGCP_GATEWAY_PORT = 2427
+MGCP_CALLAGENT_PORT = 2727
+
+rsip_resp = """200 321321332\r\n"""
+audit_packet = """AUEP %d 13@mgw MGCP 1.0\r\n"""
+crcx_packet = """CRCX %d 14@mgw MGCP 1.0\r\nC: 4a84ad5d25f\r\nL: p:20, a:GSM-EFR, nt:IN\r\nM: recvonly\r\n"""
+dlcx_packet = """DLCX %d 14@mgw MGCP 1.0\r\nC: 4a84ad5d25f\r\nI: %d\r\n"""
+mdcx_packet = """MDCX %d 14@mgw MGCP 1.0\r\nC: 4a84ad5d25f\r\nI: %d\r\nL: p:20, a:GSM-EFR, nt:IN\r\nM: recvonly\r\n\r\nv=0\r\no=- 258696477 0 IN IP4 172.16.1.107\r\ns=-\r\nc=IN IP4 172.16.1.107\r\nt=0 0\r\nm=audio 6666 RTP/AVP 127\r\na=rtpmap:127 GSM-EFR/8000/1\r\na=ptime:20\r\na=recvonly\r\nm=image 4402 udptl t38\r\na=T38FaxVersion:0\r\na=T38MaxBitRate:14400\r\n"""
+
+def hexdump(src, length=8):
+    """Recipe is from http://code.activestate.com/recipes/142812/"""
+    result = []
+    digits = 4 if isinstance(src, unicode) else 2
+    for i in xrange(0, len(src), length):
+       s = src[i:i+length]
+       hexa = b' '.join(["%0*X" % (digits, ord(x))  for x in s])
+       text = b''.join([x if 0x20 <= ord(x) < 0x7F else b'.'  for x in s])
+       result.append( b"%04X   %-*s   %s" % (i, length*(digits + 1), hexa, text) )
+    return b'\n'.join(result)
+
+server_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+server_socket.bind(("127.0.0.1", MGCP_CALLAGENT_PORT))
+server_socket.setblocking(1)
+
+last_ci = 1
+def send_and_receive(packet):
+    global last_ci
+    server_socket.sendto(packet, ("127.0.0.1", MGCP_GATEWAY_PORT))
+    try:
+        data, addr = server_socket.recvfrom(4096)
+
+        # attempt to store the CI of the response
+        list = data.split("\n")
+        for item in list:
+           if item.startswith("I: "):
+               last_ci = int(item[3:])
+
+        print hexdump(data), addr
+    except socket.error, e:
+        print e
+        pass
+
+def generate_tid():
+    import random
+    return random.randint(0, 65123)
+
+
+
+while True:
+    send_and_receive(audit_packet % generate_tid())
+    send_and_receive(crcx_packet % generate_tid() )
+    send_and_receive(mdcx_packet % (generate_tid(), last_ci))
+    send_and_receive(dlcx_packet % (generate_tid(), last_ci))
+
+    time.sleep(3)