blob: 8bc322a058d082753ed8e8d90b5404496336436d (
plain)
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
|
/* -*- C++ -*- */
#ifndef CPP_CONNECTOR_H
#define CPP_CONNECTOR_H
#include "ace/Service_Config.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Connector.h"
#include "ace/Svc_Handler.h"
#include "ace/Sig_Adapter.h"
template <typename PEER_STREAM>
class Peer_Handler : public ACE_Svc_Handler<PEER_STREAM, ACE_SYNCH>
{
// = TITLE
// Handles communication with the server.
//
// = DESCRIPTION
// This class uses a very clever state machine pattern to keep
// track of how it interacts with the user and the server.
public:
Peer_Handler (ACE_Reactor *r = 0);
virtual int open (void * = 0);
// Activate the handler when connection is established.
virtual int close (u_long flags = 0);
// Called on failed connection attempt.
// = Demultiplexing hooks.
virtual int handle_output (ACE_HANDLE);
virtual int handle_input (ACE_HANDLE);
virtual int handle_close (ACE_HANDLE,
ACE_Reactor_Mask mask);
virtual int handle_signal (int signum,
siginfo_t * = 0,
ucontext_t * = 0);
virtual int handle_timeout (const ACE_Time_Value &time,
const void *);
protected:
// = These methods implement the State pattern.
int uninitialized ();
int connected ();
int stdio ();
int (Peer_Handler<PEER_STREAM>::*action_) ();
// Keeps track of which state we are in.
};
template <typename SVC_HANDLER, typename PEER_CONNECTOR>
class IPC_Client : public ACE_Connector<SVC_HANDLER, PEER_CONNECTOR>
{
// = TITLE
// This class illustrates how the <ACE_Connector> works.
public:
IPC_Client ();
// Constructor.
~IPC_Client ();
// Destructor.
// = Dynamic linking hooks.
virtual int init (int argc, ACE_TCHAR *argv[]);
// Initialize the IPC client.
virtual int fini ();
// Destroy the IPC client.
virtual int svc ();
// Run the svc.
private:
typedef ACE_Connector<SVC_HANDLER, PEER_CONNECTOR>
inherited;
ACE_Synch_Options options_;
// Options for the active connection factory.
ACE_Sig_Adapter done_handler_;
// Keeps track of when we shut down due to receipt of the SIGINT
// signal.
};
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "CPP-connector.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("CPP-connector.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
#endif /* CPP_CONNECTOR_H */
|
