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
|
/*
* Copyright (c) 2017-2019 Cisco and/or its affiliates.
* 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 <hicn/transport/interfaces/socket_consumer.h>
#include <implementation/socket_consumer.h>
#include <protocols/protocol.h>
namespace transport {
namespace protocol {
using namespace interface;
TransportProtocol::TransportProtocol(implementation::ConsumerSocket *icn_socket,
Reassembly *reassembly_protocol)
: socket_(icn_socket),
reassembly_protocol_(reassembly_protocol),
index_manager_(
std::make_unique<IndexManager>(socket_, this, reassembly_protocol)),
is_running_(false),
is_first_(false),
on_interest_retransmission_(VOID_HANDLER),
on_interest_output_(VOID_HANDLER),
on_interest_timeout_(VOID_HANDLER),
on_interest_satisfied_(VOID_HANDLER),
on_content_object_input_(VOID_HANDLER),
on_content_object_verification_(VOID_HANDLER),
stats_summary_(VOID_HANDLER),
verification_failed_callback_(VOID_HANDLER),
on_payload_(VOID_HANDLER) {
socket_->getSocketOption(GeneralTransportOptions::PORTAL, portal_);
socket_->getSocketOption(OtherOptions::STATISTICS, &stats_);
}
int TransportProtocol::start() {
// If the protocol is already running, return otherwise set as running
if (is_running_) return -1;
// Reset the protocol state machine
reset();
// Set it is the first time we schedule an interest
is_first_ = true;
// Get all callbacks references before starting
socket_->getSocketOption(ConsumerCallbacksOptions::INTEREST_RETRANSMISSION,
&on_interest_retransmission_);
socket_->getSocketOption(ConsumerCallbacksOptions::INTEREST_OUTPUT,
&on_interest_output_);
socket_->getSocketOption(ConsumerCallbacksOptions::INTEREST_EXPIRED,
&on_interest_timeout_);
socket_->getSocketOption(ConsumerCallbacksOptions::INTEREST_SATISFIED,
&on_interest_satisfied_);
socket_->getSocketOption(ConsumerCallbacksOptions::CONTENT_OBJECT_INPUT,
&on_content_object_input_);
socket_->getSocketOption(ConsumerCallbacksOptions::CONTENT_OBJECT_TO_VERIFY,
&on_content_object_verification_);
socket_->getSocketOption(ConsumerCallbacksOptions::STATS_SUMMARY,
&stats_summary_);
socket_->getSocketOption(ConsumerCallbacksOptions::VERIFICATION_FAILED,
&verification_failed_callback_);
socket_->getSocketOption(ConsumerCallbacksOptions::READ_CALLBACK,
&on_payload_);
socket_->getSocketOption(GeneralTransportOptions::ASYNC_MODE, is_async_);
// Schedule next interests
scheduleNextInterests();
is_first_ = false;
// Set the protocol as running
is_running_ = true;
if (!is_async_) {
// Start Event loop
portal_->runEventsLoop();
// Not running anymore
is_running_ = false;
}
return 0;
}
void TransportProtocol::stop() {
is_running_ = false;
if (!is_async_) {
portal_->stopEventsLoop();
} else {
portal_->clear();
}
}
void TransportProtocol::resume() {
if (is_running_) return;
is_running_ = true;
scheduleNextInterests();
portal_->runEventsLoop();
is_running_ = false;
}
void TransportProtocol::onContentReassembled(std::error_code ec) {
stop();
if (!on_payload_) {
throw errors::RuntimeException(
"The read callback must be installed in the transport before "
"starting "
"the content retrieval.");
}
if (!ec) {
on_payload_->readSuccess(stats_->getBytesRecv());
} else {
on_payload_->readError(ec);
}
}
} // end namespace protocol
} // end namespace transport
|
