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
|
/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "APRIOProcessor.h"
#include "APRBase.h"
#include "QpidError.h"
using namespace qpid::io;
using namespace qpid::concurrent;
APRIOProcessor::APRIOProcessor(apr_pool_t* pool, int _size, int _timeout) : size(_size),
timeout(_timeout),
count(0),
thread(pool, this),
stopped(false){
CHECK_APR_SUCCESS(apr_pollset_create(&pollset, size, pool, APR_POLLSET_THREADSAFE));
thread.start();
}
void APRIOProcessor::add(apr_pollfd_t* const fd){
CHECK_APR_SUCCESS(apr_pollset_add(pollset, fd));
lock.acquire();
if(!count++) lock.notify();
lock.release();
}
void APRIOProcessor::remove(apr_pollfd_t* const fd){
CHECK_APR_SUCCESS(apr_pollset_remove(pollset, fd));
lock.acquire();
count--;
lock.release();
}
bool APRIOProcessor::full(){
lock.acquire();
bool full = count == size;
lock.release();
return full;
}
bool APRIOProcessor::empty(){
lock.acquire();
bool empty = count == 0;
lock.release();
return empty;
}
void APRIOProcessor::poll(){
try{
int signalledCount;
const apr_pollfd_t* signalledFDs;
apr_status_t status = apr_pollset_poll(pollset, timeout, &signalledCount, &signalledFDs);
if(status == APR_SUCCESS){
for(int i = 0; i < signalledCount; i++){
IOSessionHolder* session = reinterpret_cast<IOSessionHolder*>(signalledFDs[i].client_data);
if(signalledFDs[i].rtnevents & APR_POLLIN) session->read();
if(signalledFDs[i].rtnevents & APR_POLLOUT) session->write();
}
}
}catch(qpid::QpidError error){
std::cout << "Error [" << error.code << "] " << error.msg << " (" << error.file << ":" << error.line << ")" << std::endl;
}
}
void APRIOProcessor::run(){
while(!stopped){
lock.acquire();
while(count == 0) lock.wait();
lock.release();
poll();
}
}
void APRIOProcessor::stop(){
lock.acquire();
stopped = true;
lock.notify();
lock.release();
}
APRIOProcessor::~APRIOProcessor(){
CHECK_APR_SUCCESS(apr_pollset_destroy(pollset));
}
|
