[tor-commits] [nyx/master] Properly use application resolution in the panel

[atagar@xxxxxxxxxxxxxx]

commit 6846e119190e1de29d70ba25fb4db8d40c2b4b95
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Mon Jul 27 10:03:48 2015 -0700

    Properly use application resolution in the panel
    
    Our connection panel still expected a tuple, causing a stacktrace. Fixing that,
    along with a couple issues with the tracker itself finally using this in a live
    instance hilighted:
    
      * system.call() raised an OSError rather than the exptected IOError
      * we were still calling lsof for zero ports, triggering failures
---
 nyx/connections/conn_panel.py |   13 ++++---------
 nyx/util/tracker.py           |   10 +++++++---
 2 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/nyx/connections/conn_panel.py b/nyx/connections/conn_panel.py
index b977e7d..e40a431 100644
--- a/nyx/connections/conn_panel.py
+++ b/nyx/connections/conn_panel.py
@@ -540,15 +540,10 @@ class ConnectionPanel(panel.Panel, threading.Thread):
       line_port = line.connection.local_port if is_local else line.connection.remote_port
 
       if line_port in app_results:
-        # sets application attributes if there's a result with this as the
-        # inbound port
+        result = app_results[line_port]
 
-        for inbound_port, outbound_port, cmd, pid in app_results[line_port]:
-          app_port = outbound_port if is_local else inbound_port
-
-          if line_port == app_port:
-            line.application_name = cmd
-            line.application_pid = pid
-            line.is_application_resolving = False
+        line.application_name = result.name
+        line.application_pid = result.pid
+        line.is_application_resolving = False
       else:
         line.is_application_resolving = self._app_resolver.is_alive
diff --git a/nyx/util/tracker.py b/nyx/util/tracker.py
index ebb3b84..f6219ad 100644
--- a/nyx/util/tracker.py
+++ b/nyx/util/tracker.py
@@ -299,8 +299,11 @@ def _process_for_ports(local_ports, remote_ports):
   # python  2462 atagar    3u  IPv4  14047      0t0  TCP localhost:37277->localhost:9051 (ESTABLISHED)
   # python  3444 atagar    3u  IPv4  22023      0t0  TCP localhost:51849->localhost:9051 (ESTABLISHED)
 
-  lsof_cmd = 'lsof -nP ' + ' '.join(['-i tcp:%s' % port for port in (local_ports + remote_ports)])
-  lsof_call = system.call(lsof_cmd)
+  try:
+    lsof_cmd = 'lsof -nP ' + ' '.join(['-i tcp:%s' % port for port in (local_ports + remote_ports)])
+    lsof_call = system.call(lsof_cmd)
+  except OSError as exc:
+    raise IOError(exc)
 
   if lsof_call:
     results = {}
@@ -698,7 +701,8 @@ class PortUsageTracker(Daemon):
         ports.remove(port)
 
     try:
-      result.update(_process_for_ports(ports, ports))
+      if ports:
+        result.update(_process_for_ports(ports, ports))
 
       self._processes_for_ports = result
       self._failure_count = 0



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