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
|
/**
* $Id: Message_Receiver.h 91743 2010-09-13 18:24:51Z johnnyw $
*
* Sample code from The ACE Programmer's Guide,
* copyright 2003 Addison-Wesley. All Rights Reserved.
*/
#ifndef __MESSAGE_RECEIVER_H_
#define __MESSAGE_RECEIVER_H_
#include "ace/Log_Msg.h"
#include "ace/Message_Block.h"
#include "ace/SOCK_Stream.h"
#include "ace/Svc_Handler.h"
#include "ace/Synch.h"
#include "ace/Task.h"
// Listing 1 code/ch12
struct DeviceCommandHeader
{
int length_;
int deviceId_;
};
// Listing 1
class HA_Device_Repository
{
public:
HA_Device_Repository ();
int update_device (int device_id, char *commands);
private:
ACE_Task_Base *owner_;
};
HA_Device_Repository::HA_Device_Repository ()
{ }
int
HA_Device_Repository::update_device (int, char *)
{
return 0;
}
class HA_CommandHandler : public ACE_Task<ACE_MT_SYNCH>
{
public:
HA_CommandHandler (HA_Device_Repository &rep) : rep_(rep)
{ }
virtual int svc();
private:
HA_Device_Repository &rep_;
};
class Message_Receiver :
public ACE_Svc_Handler<ACE_SOCK_STREAM, ACE_MT_SYNCH>
{
public:
Message_Receiver () : handler_(0)
{
ACE_ASSERT(0);
}
Message_Receiver (HA_CommandHandler *ch) : handler_(ch)
{ }
ACE_Message_Block *shut_down_message (void);
virtual int handle_input (ACE_HANDLE fd);
virtual int handle_close (ACE_HANDLE = ACE_INVALID_HANDLE,
ACE_Reactor_Mask = ACE_Event_Handler::ALL_EVENTS_MASK)
{
this->peer ().close ();
delete this;
return 0;
}
private:
int read_header (DeviceCommandHeader *dch);
int copy_payload (ACE_Message_Block *mb, int payload_length);
private:
HA_CommandHandler *handler_;
};
#endif /* __MESSAGE_RECEIVER_H */
|
