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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204 | ------------------------------------------------------------------------------
-- Ada Web Server --
-- --
-- Copyright (C) 2005-2012, AdaCore --
-- --
-- This is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the --
-- Free Software Foundation; either version 3, or (at your option) any --
-- later version. This software 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 --
-- distributed with this software; see file COPYING3. If not, go --
-- to http://www.gnu.org/licenses for a complete copy of the license. --
------------------------------------------------------------------------------
with Ada.Exceptions;
with Ada.Tags;
with Ada.Text_IO;
with Ada.Unchecked_Deallocation;
with AWS.Net.Acceptors;
with AWS.Net.SSL;
with AWS.Net.Buffered;
with AWS.Utils;
procedure S_Accs_Proc (Security : Boolean) is
use type Ada.Tags.Tag;
use AWS.Net;
Client_Request_Count : constant := 10;
Acceptor : Acceptors.Acceptor_Type;
Counter : AWS.Utils.Counter (0);
Semaphore : AWS.Utils.Semaphore;
task type Server_Task;
task type Client_Task is
entry Start (Index : Positive);
end Client_Task;
-----------------
-- Client_Task --
-----------------
task body Client_Task is
Sock : Socket_Type'Class := Socket (Security);
Index : Positive;
Prefix : constant String := "index";
Connected : Boolean := False;
begin
accept Start (Index : Positive) do
Client_Task.Index := Index;
end Start;
declare
AS : constant Socket_Type'Class := Acceptors.Server_Socket (Acceptor);
begin
Sock.Connect (Localhost (AS.Is_IPv6), AS.Get_Port);
end;
Connected := True;
Set_Timeout (Sock, 6.0);
for J in 1 .. Client_Request_Count loop
Buffered.Put_Line
(Sock, Prefix & Positive'Image (Index) & Positive'Image (J));
Buffered.Flush (Sock);
declare
Response : constant String := Buffered.Get_Line (Sock);
begin
if Response /= '(' & Prefix & Positive'Image (Index)
& Positive'Image (J) & ')'
then
Ada.Text_IO.Put_Line ("Error " & Response);
end if;
end;
end loop;
Shutdown (Sock);
Ada.Text_IO.Put_Line ("Client gone.");
exception
when E : others =>
Ada.Text_IO.Put_Line
("Client " & Ada.Exceptions.Exception_Information (E));
if Connected then
Shutdown (Sock);
end if;
end Client_Task;
-----------------
-- Server_Task --
-----------------
task body Server_Task is
Sock : Socket_Access;
begin
loop
begin
Semaphore.Seize;
Acceptors.Get (Acceptor, Sock);
Semaphore.Release;
exception
when Socket_Error =>
Semaphore.Release;
Ada.Text_IO.Put_Line ("Acceptor closed.");
exit;
when others =>
Semaphore.Release;
raise;
end;
if Security and then not (Sock'Tag = SSL.Socket_Type'Tag) then
declare
procedure Free is new Ada.Unchecked_Deallocation
(Socket_Type'Class, Socket_Access);
Tmp : Socket_Access := Sock;
begin
Sock := new SSL.Socket_Type'(SSL.Secure_Server (Sock.all));
Free (Tmp);
end;
end if;
Set_Timeout (Sock.all, 4.0);
begin
Buffered.Put_Line
(Sock.all, '(' & Buffered.Get_Line (Sock.all) & ')');
Buffered.Flush (Sock.all);
Counter.Increment;
Acceptors.Give_Back (Acceptor, Sock);
exception when Socket_Error =>
Shutdown (Sock.all);
Free (Sock);
end;
end loop;
exception
when E : others =>
Ada.Text_IO.Put_Line (Ada.Exceptions.Exception_Information (E));
end Server_Task;
Clients : array (1 .. 7) of Client_Task;
begin
Semaphore.Seize;
Acceptors.Listen (Acceptor, "", 0, 11);
declare
Servers : array (1 .. 3) of Server_Task;
begin
Semaphore.Release;
for J in Clients'Range loop
Clients (J).Start (J);
end loop;
for J in Clients'Range loop
while not Clients (J)'Terminated loop
delay 0.25;
end loop;
end loop;
Acceptors.Shutdown (Acceptor);
-- Wait for servers termination only for console output ordering
for J in Servers'Range loop
while not Servers (J)'Terminated loop
delay 0.25;
end loop;
end loop;
if Counter.Value = Client_Request_Count * Clients'Length then
Ada.Text_IO.Put_Line ("Done.");
else
Ada.Text_IO.Put_Line
("Regression" & Integer'Image (Counter.Value)
& " /=" & Integer'Image (Client_Request_Count)
& " *" & Integer'Image (Clients'Length));
end if;
end;
exception
when E : others =>
Ada.Text_IO.Put_Line
("Main task " & Ada.Exceptions.Exception_Information (E));
end S_Accs_Proc;
|