Upload the contribution of vstf as bottleneck network framework.

[bottlenecks.git] / vstf / vstf / agent / perf / iperf.py

diff --git a/vstf/vstf/agent/perf/iperf.py b/vstf/vstf/agent/perf/iperf.py
new file mode 100755 (executable)
index 0000000..25728b7
--- /dev/null
+++ b/vstf/vstf/agent/perf/iperf.py
@@ -0,0 +1,152 @@
+#!/usr/bin/python
+# -*- coding: utf8 -*-
+# author:
+# date: 2015-09-15
+# see license for license details
+
+import subprocess
+import signal
+import os
+import time
+import logging
+
+import vstf.common.decorator as deco
+import vstf.agent.perf.utils as utils
+from vstf.common.utils import kill_by_name
+
+LOG = logging.getLogger(__name__)
+
+
+class Iperf(object):
+    def __init__(self):
+        self._send_processes = []
+        self._receive_processes = []
+        self._typemap = {
+            "tcp_bw": "",
+            "udp_bw": " -u ",
+        }
+
+    @deco.check("protocol", choices=['tcp_bw', 'udp_bw'])
+    @deco.check("namespace", defaults=None)
+    @deco.check("dst")
+    @deco.check("time", defaults=600)
+    @deco.check("size", defaults=64)
+    @deco.check("threads", defaults=1)
+    def send_start(self, **kwargs):
+
+        cmd = self.format_send_start(**kwargs)
+        LOG.debug("cmd:%s", cmd)
+
+        process = subprocess.Popen(cmd.split(), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        time.sleep(1)
+        ret = process.poll()
+        if ret is None:
+            ret = 0
+            error_str = "start iperf send success"
+            self._send_processes.append(process)
+        else:
+            print ret
+            error_str = "start iperf send failed, %s", (str(kwargs))
+
+        return ret, error_str
+
+    @deco.namespace()
+    def format_send_start(self, **kwargs):
+        cmd = "iperf %(type)s -c %(dst_ip)s -i 1 -l %(pkt_size)s -t %(time)s  -P %(threads)s "
+        context = {
+            'type': self._typemap[kwargs['protocol']],
+            'dst_ip': kwargs['dst'][0]['ip'],
+            'time': kwargs['time'],
+            'pkt_size': kwargs['size'],
+            'threads': kwargs['threads'],
+        }
+        cmd = cmd % context
+        return cmd
+
+    def send_stop(self):
+        results = []
+        for process in self._send_processes:
+            poll = process.poll()
+            if poll is None:
+                process.kill()
+                ret = 0
+                read = "process is stopped by killed"
+                results.append((ret, read))
+
+        self._send_processes = []
+        return results
+
+    @deco.namespace()
+    def format_receive_start(self, **kwargs):
+        cmd = 'iperf %s -s ' % (self._typemap[kwargs['protocol']])
+        return cmd
+
+    @deco.check("protocol", choices=['tcp_bw', 'udp_bw'])
+    @deco.check("namespace", defaults=None)
+    def receive_start(self, **kwargs):
+        cmd = self.format_receive_start(**kwargs)
+        LOG.debug("cmd:%s", cmd)
+
+        process = subprocess.Popen(cmd.split(), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        time.sleep(1)
+        ret = process.poll()
+        if ret is None:
+            ret = 0
+            error_str = "start iperf receive success"
+            self._receive_processes.append(process)
+        else:
+            print ret
+            error_str = "start iperf receive failed, %s" % (str(kwargs))
+        return ret, error_str
+
+    def receive_stop(self):
+        ret = 0
+        for process in self._receive_processes:
+            process.kill()
+            ret = process.wait()
+        self._receive_processes = []
+        return ret
+
+    def receive_kill(self):
+        ret = 0
+        receive_pids = utils.get_pid_by_name('iperf')
+        for pid in receive_pids:
+            os.kill(pid, signal.SIGKILL)
+            time.sleep(0.5)
+        error_str = "stop iperf receive success"
+        LOG.debug(error_str)
+        return ret, error_str
+
+    def force_clean(self):
+        LOG.info("%s %s start", self.__class__, self.force_clean.__name__)
+        kill_by_name('iperf')
+        self._send_processes = []
+        self._receive_processes = []
+        return True
+
+
+def unit_test():
+    perf = Iperf()
+    pro = 'udp_bw'
+    print perf.receive_start(namespace='receive', protocol=pro)
+
+    send = {
+        "namespace": "send",
+        "protocol": "udp_bw",
+        "dst": [
+            {"ip": "192.168.1.102"}
+        ],
+        "size": 64,
+        "time": 5,
+    }
+    print perf.send_start(**send)
+    time.sleep(10)
+    print perf.send_stop()
+    print perf.receive_stop()
+
+
+if __name__ == "__main__":
+    from vstf.common.log import setup_logging
+
+    setup_logging(level=logging.DEBUG, log_file="/var/log/vstf-iperf.log", clevel=logging.DEBUG)
+    unit_test()