New upstream version 18.11-rc1upstream/18.11-rc1

Change-Id: Iaa71986dd6332e878d8f4bf493101b2bbc6313bb
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

1 files changed, 116 insertions, 0 deletions

diff --git a/usertools/dpdk-telemetry-client.py b/usertools/dpdk-telemetry-client.py
new file mode 100644
index 00000000..6dcf62ba
--- /dev/null
+++ b/usertools/dpdk-telemetry-client.py
@@ -0,0 +1,116 @@
+# SPDK-License-Identifier: BSD-3-Clause
+# Copyright(c) 2018 Intel Corporation
+
+import socket
+import os
+import sys
+import time
+
+BUFFER_SIZE = 200000
+
+METRICS_REQ = "{\"action\":0,\"command\":\"ports_all_stat_values\",\"data\":null}"
+API_REG = "{\"action\":1,\"command\":\"clients\",\"data\":{\"client_path\":\""
+API_UNREG = "{\"action\":2,\"command\":\"clients\",\"data\":{\"client_path\":\""
+DEFAULT_FP = "/var/run/dpdk/default_client"
+
+class Socket:
+
+    def __init__(self):
+        self.send_fd = socket.socket(socket.AF_UNIX, socket.SOCK_SEQPACKET)
+        self.recv_fd = socket.socket(socket.AF_UNIX, socket.SOCK_SEQPACKET)
+        self.client_fd = None
+
+    def __del__(self):
+        try:
+            self.send_fd.close()
+            self.recv_fd.close()
+            self.client_fd.close()
+        except:
+            print("Error - Sockets could not be closed")
+
+class Client:
+
+    def __init__(self): # Creates a client instance
+        self.socket = Socket()
+        self.file_path = None
+        self.choice = None
+        self.unregistered = 0
+
+    def __del__(self):
+        try:
+            if self.unregistered == 0:
+                self.unregister();
+        except:
+            print("Error - Client could not be destroyed")
+
+    def getFilepath(self, file_path): # Gets arguments from Command-Line and assigns to instance of client
+        self.file_path = file_path
+
+    def register(self): # Connects a client to DPDK-instance
+        if os.path.exists(self.file_path):
+            os.unlink(self.file_path)
+        try:
+            self.socket.recv_fd.bind(self.file_path)
+        except socket.error as msg:
+            print ("Error - Socket binding error: " + str(msg) + "\n")
+        self.socket.recv_fd.settimeout(2)
+        self.socket.send_fd.connect("/var/run/dpdk/rte/telemetry")
+        JSON = (API_REG + self.file_path + "\"}}")
+        self.socket.send_fd.sendall(JSON)
+        self.socket.recv_fd.listen(1)
+        self.socket.client_fd = self.socket.recv_fd.accept()[0]
+
+    def unregister(self): # Unregister a given client
+        self.socket.client_fd.send(API_UNREG + self.file_path + "\"}}")
+        self.socket.client_fd.close()
+
+    def requestMetrics(self): # Requests metrics for given client
+        self.socket.client_fd.send(METRICS_REQ)
+        data = self.socket.client_fd.recv(BUFFER_SIZE)
+        print "\nResponse: \n", str(data)
+
+    def repeatedlyRequestMetrics(self, sleep_time): # Recursively requests metrics for given client
+        print("\nPlease enter the number of times you'd like to continuously request Metrics:")
+        n_requests = int(input("\n:"))
+        print("\033[F") #Removes the user input from screen, cleans it up
+        print("\033[K")
+        for i in range(n_requests):
+            self.requestMetrics()
+            time.sleep(sleep_time)
+
+    def interactiveMenu(self, sleep_time): # Creates Interactive menu within the script
+        while self.choice != 3:
+            print("\nOptions Menu")
+            print("[1] Send for Metrics for all ports")
+            print("[2] Send for Metrics for all ports recursively")
+            print("[3] Unregister client")
+
+            try:
+                self.choice = int(input("\n:"))
+                print("\033[F") #Removes the user input for screen, cleans it up
+                print("\033[K")
+                if self.choice == 1:
+                    self.requestMetrics()
+                elif self.choice == 2:
+                    self.repeatedlyRequestMetrics(sleep_time)
+                elif self.choice == 3:
+                    self.unregister()
+                    self.unregistered = 1
+                else:
+                    print("Error - Invalid request choice")
+            except:
+                pass
+
+if __name__ == "__main__":
+
+    sleep_time = 1
+    file_path = ""
+    if (len(sys.argv) == 2):
+	file_path = sys.argv[1]
+    else:
+        print("Warning - No filepath passed, using default (" + DEFAULT_FP + ").")
+	file_path = DEFAULT_FP
+    client = Client()
+    client.getFilepath(file_path)
+    client.register()
+    client.interactiveMenu(sleep_time)