Merge branch 'rpc_intg1'

1 files changed, 203 insertions, 0 deletions

diff --git a/scripts/automation/trex_control_plane/client/trex_async_client.py b/scripts/automation/trex_control_plane/client/trex_async_client.py
new file mode 100644
index 00000000..72cce5aa
--- /dev/null
+++ b/scripts/automation/trex_control_plane/client/trex_async_client.py
@@ -0,0 +1,203 @@
+#!/router/bin/python
+
+try:
+    # support import for Python 2
+    import outer_packages
+except ImportError:
+    # support import for Python 3
+    import client.outer_packages
+from client_utils.jsonrpc_client import JsonRpcClient, BatchMessage
+
+import json
+import threading
+import time
+import datetime
+import zmq
+import re
+
+from common.trex_stats import *
+from common.trex_streams import *
+
+# basic async stats class
+class TrexAsyncStats(object):
+    def __init__ (self):
+        self.ref_point = None
+        self.current = {}
+        self.last_update_ts = datetime.datetime.now()
+
+    def __format_num (self, size, suffix = ""):
+
+        for unit in ['','K','M','G','T','P']:
+            if abs(size) < 1000.0:
+                return "%3.2f %s%s" % (size, unit, suffix)
+            size /= 1000.0
+
+        return "NaN"
+
+    def update (self, snapshot):
+
+        #update
+        self.last_update_ts = datetime.datetime.now()
+
+        self.current = snapshot
+
+        if self.ref_point == None:
+            self.ref_point = self.current
+        
+
+    def get (self, field, format = False, suffix = ""):
+
+        if not field in self.current:
+            return "N/A"
+
+        if not format:
+            return self.current[field]
+        else:
+            return self.__format_num(self.current[field], suffix)
+
+
+    def get_rel (self, field, format = False, suffix = ""):
+        if not field in self.current:
+            return "N/A"
+
+        if not format:
+            return (self.current[field] - self.ref_point[field])
+        else:
+            return self.__format_num(self.current[field] - self.ref_point[field], suffix)
+
+
+    # return true if new data has arrived in the past 2 seconds
+    def is_online (self):
+        delta_ms = (datetime.datetime.now() - self.last_update_ts).total_seconds() * 1000
+        return (delta_ms < 2000)
+
+# describes the general stats provided by TRex
+class TrexAsyncStatsGeneral(TrexAsyncStats):
+    def __init__ (self):
+        super(TrexAsyncStatsGeneral, self).__init__()
+
+
+# per port stats
+class TrexAsyncStatsPort(TrexAsyncStats):
+    def __init__ (self):
+        super(TrexAsyncStatsPort, self).__init__()
+
+    def get_stream_stats (self, stream_id):
+        return None
+
+# stats manager
+class TrexAsyncStatsManager():
+    def __init__ (self):
+
+        self.general_stats = TrexAsyncStatsGeneral()
+        self.port_stats = {}
+
+
+    def get_general_stats (self):
+        return self.general_stats
+
+    def get_port_stats (self, port_id):
+
+        if not str(port_id) in self.port_stats:
+            return None
+
+        return self.port_stats[str(port_id)]
+
+    def update (self, snapshot):
+
+        if snapshot['name'] == 'trex-global':
+            self.__handle_snapshot(snapshot['data'])
+        else:
+            # for now ignore the rest
+            return
+
+    def __handle_snapshot (self, snapshot):
+
+        general_stats = {}
+        port_stats = {}
+
+        # filter the values per port and general
+        for key, value in snapshot.iteritems():
+            
+            # match a pattern of ports
+            m = re.search('(.*)\-([0-8])', key)
+            if m:
+
+                port_id = m.group(2)
+                field_name = m.group(1)
+
+                if not port_id in port_stats:
+                    port_stats[port_id] = {}
+
+                port_stats[port_id][field_name] = value
+
+            else:
+                # no port match - general stats
+                general_stats[key] = value
+
+        # update the general object with the snapshot
+        self.general_stats.update(general_stats)
+
+        # update all ports
+        for port_id, data in port_stats.iteritems():
+
+            if not port_id in self.port_stats:
+                self.port_stats[port_id] = TrexAsyncStatsPort()
+
+            self.port_stats[port_id].update(data)
+
+
+
+
+
+class CTRexAsyncClient():
+    def __init__ (self, port):
+
+        self.port = port
+
+        self.raw_snapshot = {}
+
+        self.stats = TrexAsyncStatsManager()
+
+
+        self.tr = "tcp://localhost:{0}".format(self.port)
+        print "\nConnecting To ZMQ Publisher At {0}".format(self.tr)
+
+        self.active = True
+        self.t = threading.Thread(target = self._run)
+
+        # kill this thread on exit and don't add it to the join list
+        self.t.setDaemon(True)
+        self.t.start()
+
+
+    def _run (self):
+
+        #  Socket to talk to server
+        self.context = zmq.Context()
+        self.socket = self.context.socket(zmq.SUB)
+
+        self.socket.connect(self.tr)
+        self.socket.setsockopt(zmq.SUBSCRIBE, '')
+
+        while self.active:
+            msg = json.loads(self.socket.recv_string())
+
+            key = msg['name']
+            self.raw_snapshot[key] = msg['data']
+
+            self.stats.update(msg)
+
+
+    def get_stats (self):
+        return self.stats
+
+    def get_raw_snapshot (self):
+        #return str(self.stats.global_stats.get('m_total_tx_bytes')) + " / " + str(self.stats.global_stats.get_rel('m_total_tx_bytes'))
+        return self.raw_snapshot
+
+
+    def stop (self):
+        self.active = False
+        self.t.join()
+