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
|
/**
* @file receiver.c
*
* @brief Implementation of receiver_t.
*
*/
/*
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005 Jan Hutter
* Hochschule fuer Technik Rapperswil
*
* 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 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* 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.
*/
#include <stdlib.h>
#include <pthread.h>
#include "receiver.h"
#include <daemon.h>
#include <network/socket.h>
#include <network/packet.h>
#include <queues/job_queue.h>
#include <queues/jobs/job.h>
#include <queues/jobs/incoming_packet_job.h>
#include <utils/logger_manager.h>
typedef struct private_receiver_t private_receiver_t;
/**
* Private data of a receiver_t object.
*/
struct private_receiver_t {
/**
* Public part of a receiver_t object.
*/
receiver_t public;
/**
* @brief Thread function started at creation of the receiver object.
*
* @param this calling object
*/
void (*receive_packets) (private_receiver_t *this);
/**
* Assigned thread.
*/
pthread_t assigned_thread;
/**
* A logger for the receiver_t object.
*/
logger_t *logger;
};
/**
* Implementation of receiver_t.receive_packets.
*/
static void receive_packets(private_receiver_t * this)
{
packet_t * current_packet;
job_t *current_job;
/* cancellation disabled by default */
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
this->logger->log(this->logger, CONTROL, "receiver thread running, thread_ID: %06u", (int)pthread_self());
while (1)
{
while (charon->socket->receive(charon->socket,¤t_packet) == SUCCESS)
{
this->logger->log(this->logger, CONTROL | LEVEL1, "Creating job from packet");
current_job = (job_t *) incoming_packet_job_create(current_packet);
charon->job_queue->add(charon->job_queue,current_job);
}
/* bad bad, rebuild the socket ? */
this->logger->log(this->logger, ERROR, "Receiving from socket failed!");
}
}
/**
* Implementation of receiver_t.destroy.
*/
static void destroy(private_receiver_t *this)
{
this->logger->log(this->logger, CONTROL | LEVEL1, "Going to terminate receiver thread");
pthread_cancel(this->assigned_thread);
pthread_join(this->assigned_thread, NULL);
this->logger->log(this->logger, CONTROL | LEVEL1, "Receiver thread terminated");
free(this);
}
/*
* Described in header.
*/
receiver_t * receiver_create()
{
private_receiver_t *this = malloc_thing(private_receiver_t);
this->public.destroy = (void(*)(receiver_t*)) destroy;
this->receive_packets = receive_packets;
this->logger = logger_manager->get_logger(logger_manager, RECEIVER);
if (pthread_create(&(this->assigned_thread), NULL, (void*(*)(void*))this->receive_packets, this) != 0)
{
this->logger->log(this->logger, ERROR, "Receiver thread could not be started");
free(this);
charon->kill(charon, "Unable to create receiver thread");
}
return &(this->public);
}
|
