protocol_handler.c
3.08 KB
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
/**
* \file
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2014 Georg Hopp
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <unistd.h>
#include "trbase.h"
#include "trevent.h"
#include "tr/protocol.h"
#include "tr/connection.h"
#include "tr/protocol_handler.h"
#include "tr/proto_message.h"
#include "tr/comm_end_point.h"
#include "tr/interface/comm_end_point.h"
static
int
protocolHandlerCtor(void * _this, va_list * params)
{
TR_PARENTCALL(TR_ProtocolHandler, _this, TR_Class, ctor, params);
return 0;
}
static void protocolHandlerDtor(void * _this) {}
static
TR_EventDone
protocolHandlerParse(void * _this, TR_Event event)
{
/**
* TODO No upgrade for now. Add it later on.
*/
TR_CommEndPoint endpoint = (TR_CommEndPoint)event->subject;
TR_ProtoMessage message = TR_cepNextMessage(endpoint);
if (message) {
TR_eventHandlerIssueEvent(
(TR_EventHandler)_this,
TR_eventSubjectEmit(
event->subject,
TR_CEP_EVENT_NEW_MSG,
message));
if (message->close) {
// also check that we are a response. Well this is how it is done
// in the python code...
TR_cepSetClose(endpoint);
}
}
return TR_EVENT_DONE;
}
static
TR_EventDone
protocolHandlerCompose(void * _this, TR_Event event)
{
TR_CommEndPoint endpoint = (TR_CommEndPoint)event->subject;
TR_ProtoMessage message = (TR_ProtoMessage)event->data;
if (message->close) {
// also check that we are a response. Well this is how it is done
// in the python code...
TR_cepSetClose(endpoint);
}
if (TR_cepCompose(endpoint, message)) {
TR_eventHandlerIssueEvent(
(TR_EventHandler)_this,
TR_eventSubjectEmit(
event->subject,
TR_CEP_EVENT_WRITE_READY,
NULL));
TR_delete(message);
}
return TR_EVENT_DONE;
}
TR_EventDone
protocolHandlerUpgrade(void * _this, TR_Event event)
{
return TR_EVENT_DONE;
}
static
void
protocolHandlerCvInit(TR_class_ptr cls)
{
TR_EVENT_HANDLER_SET_METHOD(
cls,
TR_CommEndPoint,
TR_CEP_EVENT_NEW_DATA,
protocolHandlerParse);
TR_EVENT_HANDLER_SET_METHOD(
cls,
TR_CommEndPoint,
TR_CEP_EVENT_SEND_MSG,
protocolHandlerCompose);
TR_EVENT_HANDLER_SET_METHOD(
cls,
TR_CommEndPoint,
TR_CEP_EVENT_UPGRADE,
protocolHandlerUpgrade);
}
TR_INSTANCE(TR_Hash, protocolHandlerEventMethods);
TR_INIT_IFACE(TR_Class, protocolHandlerCtor, protocolHandlerDtor, NULL);
TR_CREATE_CLASS(
TR_ProtocolHandler,
TR_EventHandler,
protocolHandlerCvInit,
TR_IF(TR_Class)) = {
{ &(_protocolHandlerEventMethods.data) }
};
// vim: set ts=4 sw=4: