From 4cc56140c266bffeb336d853a5621300f1e4d33d Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Thu, 18 Sep 2014 15:37:37 -0400
Subject: handle ssh timeouts better

---
 ssh.py | 79 +++++++++++++++++++++++++++++++++---------------------------------
 1 file changed, 40 insertions(+), 39 deletions(-)

diff --git a/ssh.py b/ssh.py
index 1497a89..56f0658 100644
--- a/ssh.py
+++ b/ssh.py
@@ -26,54 +26,55 @@ class Connection(object):
         self.server = Server()
         self.transport.start_server(server=self.server)
         self.chan = self.transport.accept(10)
-        if self.chan is None:
-            return
 
-        self.server.pty_event.wait()
+        if self.chan is not None:
+            self.server.pty_event.wait()
 
-        while True:
-            self.initialized = False
-            self.watching_id = None
+            while True:
+                self.initialized = False
+                self.watching_id = None
 
-            streamer = self.select_stream()
-            if streamer is None:
-                break
-            self.watching_id = streamer["id"]
+                streamer = self.select_stream()
+                if streamer is None:
+                    break
+                self.watching_id = streamer["id"]
 
-            print(
-                "new viewer watching %s (%s)" % (
-                    streamer["name"], streamer["id"]
+                print(
+                    "new viewer watching %s (%s)" % (
+                        streamer["name"], streamer["id"]
+                    )
                 )
-            )
-            self.chan.send(
-                "\033[1;%d;1;%dr\033[m\033[H\033[2J" % (
-                    streamer["rows"], streamer["cols"]
+                self.chan.send(
+                    "\033[1;%d;1;%dr\033[m\033[H\033[2J" % (
+                        streamer["rows"], streamer["cols"]
+                    )
                 )
-            )
-            self.publisher.notify("new_viewer", self.watching_id)
-
-            while True:
-                c = self.chan.recv(1)
-                if c == b'q':
-                    print(
-                        "viewer stopped watching %s (%s)" % (
-                            streamer["name"], streamer["id"]
+                self.publisher.notify("new_viewer", self.watching_id)
+
+                while True:
+                    c = self.chan.recv(1)
+                    if c == b'q':
+                        print(
+                            "viewer stopped watching %s (%s)" % (
+                                streamer["name"], streamer["id"]
+                            )
                         )
-                    )
-                    self.publisher.notify(
-                        "viewer_disconnect", self.watching_id
-                    )
-                    self.chan.send(
-                        ("\033[1;%d;1;%dr"
-                        + "\033[m"
-                        + "\033[?9l\033[?1000l"
-                        + "\033[H\033[2J") % (
-                            self.server.rows, self.server.cols
+                        self.publisher.notify(
+                            "viewer_disconnect", self.watching_id
                         )
-                    )
-                    break
+                        self.chan.send(
+                            ("\033[1;%d;1;%dr"
+                            + "\033[m"
+                            + "\033[?9l\033[?1000l"
+                            + "\033[H\033[2J") % (
+                                self.server.rows, self.server.cols
+                            )
+                        )
+                        break
 
-        self.chan.close()
+        if self.chan is not None:
+            self.chan.close()
+        self.transport.close()
 
     def select_stream(self):
         key_code = ord('a')
-- 
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