simple_components_4.68.0_da9b0f3a/test_components/test_mqtt_serial.adb

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
--                                                                    --
--  procedure Test_MQTT_Serial      Copyright (c)  Dmitry A. Kazakov  --
--  Test server and client                         Luebeck            --
--                                                 Winter, 2018       --
--                                                                    --
--                                Last revision :  13:13 14 Sep 2019  --
--                                                                    --
--  This  library  is  free software; you can redistribute it and/or  --
--  modify it under the terms of the GNU General Public  License  as  --
--  published by the Free Software Foundation; either version  2  of  --
--  the License, or (at your option) any later version. This library  --
--  is distributed in the hope that it will be useful,  but  WITHOUT  --
--  ANY   WARRANTY;   without   even   the   implied   warranty   of  --
--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU  --
--  General  Public  License  for  more  details.  You  should  have  --
--  received  a  copy  of  the GNU General Public License along with  --
--  this library; if not, write to  the  Free  Software  Foundation,  --
--  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.    --
--                                                                    --
--  As a special exception, if other files instantiate generics from  --
--  this unit, or you link this unit with other files to produce  an  --
--  executable, this unit does not by  itself  cause  the  resulting  --
--  executable to be covered by the GNU General Public License. This  --
--  exception  does not however invalidate any other reasons why the  --
--  executable file might be covered by the GNU Public License.       --
--____________________________________________________________________--
--
--  This  is a test of  a MQTT server and client  communicating  over  a
--  serial  connection.   It  illustrates  use  of  blocking  connection
--  servers.
--
with Ada.Exceptions;                use Ada.Exceptions;
with Ada.Text_IO;                   use Ada.Text_IO;
with GNAT.Sockets.MQTT;             use GNAT.Sockets.MQTT;
with GNAT.Sockets.MQTT.Server;      use GNAT.Sockets.MQTT.Server;
with GNAT.Sockets.Server;           use GNAT.Sockets.Server;
with GNAT.Sockets.Server.Blocking;  use GNAT.Sockets.Server.Blocking;
with GNAT.Sockets.Server.Handles;   use GNAT.Sockets.Server.Handles;
with GNAT.Serial_Communications;    use GNAT.Serial_Communications;
with Test_MQTT_Clients;             use Test_MQTT_Clients;
with Test_MQTT_Serials;             use Test_MQTT_Serials;
with Test_MQTT_Servers;             use Test_MQTT_Servers;

-- with GNAT.Exception_Traces;

procedure Test_MQTT_Serial is
   Port_1 : constant String := "COM2"; -- Change as appropriate to the
   Port_2 : constant String := "COM3"; -- actual COM devices

   Server_Port : aliased Serial_Port;
   Client_Port : aliased Serial_Port;
   Factory     : aliased Test_Factory;
   Server      : aliased MQTT_Serial_Server
                         (  Server_Port'Unchecked_Access,
                            Factory'Unchecked_Access,
                            Server_Port'Unchecked_Access,
                            Server_Port'Unchecked_Access,
                            2048
                         );
   Client      : aliased MQTT_Serial_Server
                         (  Client_Port'Unchecked_Access,
                            Factory'Unchecked_Access,
                            Client_Port'Unchecked_Access,
                            Client_Port'Unchecked_Access,
                            2048
                         );
begin
-- GNAT.Exception_Traces.Trace_On (GNAT.Exception_Traces.Every_Raise);
   Trace_On (Factory, Trace_Any, Trace_Any);
   Put_Line ("Opening port " & Port_1);
   Open (Server_Port, Port_Name (Port_1));
   Set (Server_Port, Block => False, Timeout => 1.0);
   Put_Line ("Opening port " & Port_2);
   Open (Client_Port, Port_Name (Port_2));
   Set (Client_Port, Block => False, Timeout => 1.0);
   Put_Line ("Connecting the server");
   Connect
   (  Server,
      new Test_Server
          (  Server               => Factory.Server'Unchecked_Access,
             Listener             => Server'Unchecked_Access,
             Input_Size           => 100,
             Output_Size          => 100,
             Max_Subscribe_Topics => 100
   )      );
   Set_Name (Test_Server'Class (Ptr (Get_Peer (Server)).all), Port_1);
   Put_Line ("Connecting the client");
   Connect
   (  Client,
      new Test_Client
          (  Listener             => Client'Unchecked_Access,
             Input_Size           => 100,
             Output_Size          => 100,
             Max_Subscribe_Topics => 100
   )      );
   Set_Name (Test_Client'Class (Ptr (Get_Peer (Client)).all), Port_2);
   delay 0.1;
   declare
      This   : constant Handle := Get_Peer (Client);
      Master : Test_Client'Class renames
               Test_Client'Class (Ptr (This).all);
   begin
      Put_Line ("Connect");
      Send_Connect
      (  Peer   => Master,
         Client => "test"
      );
      Put_Line ("Wait for connection...");
      Wait_For_Event (Peer => Master);

      Put_Line ("Subscribing to ""chat""");
      Reset_Event (Peer => Master);
      Send_Subscribe
      (  Peer   => Master,
         Packet => 10,
         Topic  => "chat",
         QoS    => At_Most_Once
      );
      Put_Line ("Wait for subscribtion response...");
      Wait_For_Event (Peer => Master);

      Put_Line ("Publishing chat=Hello!");
      Reset_Event (Peer => Master);
      Publish
      (  Server  => Factory.Server,
         Topic   => "chat",
         Message => "Hello!",
         Policy  => Updated
      );
      Put_Line ("Wait for publisher...");
      Wait_For_Event (Peer => Master);

      Put_Line ("Publishing chat=Hello again");
      Reset_Event (Peer => Master);
      Publish
      (  Server  => Factory.Server,
         Topic   => "chat",
         Message => "Hello again",
         Policy  => Updated
      );
      Put_Line ("Wait for publisher...");
      Wait_For_Event (Peer => Master);

      Put_Line ("Publishing chat=Going to sleep...");
      Reset_Event (Peer => Master);
      Publish
      (  Server  => Factory.Server,
         Topic   => "chat",
         Message => "Going to sleep...",
         Policy  => Updated
      );
      Put_Line ("Wait for publisher...");
      Wait_For_Event (Peer => Master);

      Put_Line ("Publishing chat=Bye!");
      Reset_Event (Peer => Master);
      Publish
      (  Server  => Factory.Server,
         Topic   => "chat",
         Message => "Bye!",
         Policy  => Updated
      );
      Put_Line ("Wait for publisher...");
      Wait_For_Event (Peer => Master);

      Send_Unsubscribe
      (  Peer   => Master,
         Packet => 11,
         Topics => +"chat"
      );
      Send_Disconnect (Peer => Master);
      delay 2.0;
   end;
exception
   when Error : others =>
      Put_Line ("Error: " & Exception_Information (Error));
end Test_MQTT_Serial;