Fix a small issue with packet sending failures

When a packet _send_direct() failed to send due to a network
timeout or client issue, we don't want to count that as a send
attempt for the packet.  This patch catches that and allows for
another retry.

aprsd/cmds/admin.py

@@ -14,7 +14,10 @@ from aprsd.main import cli
 
 
 os.environ["APRSD_ADMIN_COMMAND"] = "1"
-from aprsd import wsgi as aprsd_wsgi
+# this import has to happen AFTER we set the
+# above environment variable, so that the code
+# inside the wsgi.py has the value
+from aprsd import wsgi as aprsd_wsgi  # noqa
 
 
 CONF = cfg.CONF

aprsd/threads/tx.py

@@ -89,6 +89,9 @@ def _send_direct(packet, aprs_client=None):
     except Exception as e:
         LOG.error(f"Failed to send packet: {packet}")
         LOG.error(e)
+        return False
+    else:
+        return True
 
 
 class SendPacketThread(aprsd_threads.APRSDThread):
@@ -150,8 +153,17 @@ class SendPacketThread(aprsd_threads.APRSDThread):
                 # no attempt time, so lets send it, and start
                 # tracking the time.
                 packet.last_send_time = int(round(time.time()))
-                _send_direct(packet)
-                packet.send_count += 1
+                sent = False
+                try:
+                    sent = _send_direct(packet)
+                except Exception:
+                    LOG.error(f"Failed to send packet: {packet}")
+                else:
+                    # If an exception happens while sending
+                    # we don't want this attempt to count
+                    # against the packet
+                    if sent:
+                        packet.send_count += 1
 
             time.sleep(1)
             # Make sure we get called again.
@@ -199,8 +211,18 @@ class SendAckThread(aprsd_threads.APRSDThread):
             send_now = True
 
         if send_now:
-            _send_direct(self.packet)
-            self.packet.send_count += 1
+            sent = False
+            try:
+                sent = _send_direct(self.packet)
+            except Exception:
+                LOG.error(f"Failed to send packet: {self.packet}")
+            else:
+                # If an exception happens while sending
+                # we don't want this attempt to count
+                # against the packet
+                if sent:
+                    self.packet.send_count += 1
+
             self.packet.last_send_time = int(round(time.time()))
 
         time.sleep(1)

aprsd/wsgi.py

@@ -269,7 +269,6 @@ def init_app(config_file=None, log_level=None):
 
     return log_level
 
-print(f"__name__ = {__name__}")
 
 if __name__ == "__main__":
     async_mode = "threading"