figuring out listening port for agl service

1 files changed, 49 insertions, 16 deletions

diff --git a/gps.py b/gps.py
index 37caa4c..fa121e5 100644
--- a/gps.py
+++ b/gps.py
@@ -1,24 +1,19 @@
-from random import randint
-import sys
 import asyncio
-from random import randint
-from websockets import connect
-from websockets.exceptions import ConnectionClosedError
 import os
-import json
-import concurrent
+import re
+from socket import htons
+import asyncssh
 from aglbaseservice import AGLBaseService
-
+import collections
+from collections import namedtuple
+from parse import *
 
 class GPSService(AGLBaseService):
     def __init__(self, ip, port):
-        super().__init__(api='gps', ip=ip, port=port)
+        super().__init__(api='gps', ip=ip, port=port, service='agl-service-gps')
 
     async def location(self):
-        verb = 'location'
-        msgid = randint(0, 999999)
-        await self.send(f'[2,"{msgid}","{self.api}/{verb}",""]')
-        return await self.receive()
+        return await self.request('location',waitresponse=True)
 
     async def subscribe(self, event='location'):
         await super().subscribe(event=event)
@@ -31,12 +26,50 @@ async def main(loop):
     addr = os.environ.get('AGL_TGT_IP', 'localhost')
     port = os.environ.get('AGL_TGT_PORT', '30011')
 
-    gpss = await GPSService(ip=addr, port=port)
+    # gpss = await GPSService(ip=addr, port=port)
+    async with asyncssh.connect(addr,username='root') as c:
+        # find the name of the service since it is dynamically generated every time
+        servicename = await c.run(f"systemctl | grep agl-service-gps | awk '{{print $1}}'", check=False)
+        print(f"Found service name: {servicename.stdout}")
 
-    await gpss.location()
-    # listener = loop.create_task(gpss.listener())
+        # get the pid
+        pid = await c.run(f'systemctl show --property MainPID --value {servicename.stdout}')
+        print(f'Service PID: {pid.stdout}')
+
+        # get all sockets in the process' fd directory and their respective inodes
+        sockets = await c.run(f'find /proc/{pid.stdout.strip()}/fd/ | xargs readlink | grep socket')
+        inodes = re.findall('socket:\[(.*)\]', sockets.stdout)
+        print(f"Socket inodes: {inodes}")
+
+        alltcp = await c.run('cat /proc/net/tcp')
+        fieldsstr = ' '.join(alltcp.stdout.strip().splitlines()[0].strip().split()) + ' misc'
+        # https://www.kernel.org/doc/Documentation/networking/proc_net_tcp.txt
+        # ['sl', 'local_address', 'rem_address', 'st', 'tx_queue:rx_queue', 'tr:tm->when',  'retrnsmt', 'uid', 'timeout',  'inode', 'sref_cnt', 'memloc',         'rto', 'pred_sclk', 'ackquick', 'congest', 'slowstart' ]
+        #  '0:    00000000:753E    00000000:0000  0A    00000000:00000000    00:00000000     00000000    1001   0           20062    1           0000000095c038d6  100    0            0           10         0'
+        # {'sl':'0', # connection state
+        #  'local_address': '00000000:753E',
+        #  'rem_address':'00000000:0000',
+        #  'st':'0A',
+        #  'tx_queue':'00000000:00000000',
+        #  'rx_queue':'00:00000000',
+        #  'tr':'00000000', 'tm->when':'1001', 'retrnsmt': '0',
+        # '20062 1 0000000095c038d6 100 0 0 10 0
+        fields = fieldsstr.split()
 
+        tcpsockets = alltcp.stdout.splitlines()[1:]
+        print(tcpsockets)
 
+        # print(' '.join(alltcp.stdout.strip().splitlines()[1].strip().split()))
+        # result = findall('{}: {}:{} {} {} {} {} {} {} ')
+
+        # serviceport = await c.run(f'journalctl -u {servicename.stdout}')
+        # print(serviceport.stdout)
+        # matches = re.findall('Listening interface \*:(.*) \[',serviceport.stdout)
+        # print(matches)
+
+    # print(await gpss.location())
+
+    # listener = loop.create_task(gpss.listener())
 
 if __name__ == '__main__':
     loop = asyncio.get_event_loop()