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
|
/*
* Copyright (c) 2014, Ford Motor Company
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of the Ford Motor Company nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "hmi_message_handler/mqueue_adapter.h"
#include "hmi_message_handler/hmi_message_handler.h"
#include "utils/logger.h"
namespace hmi_message_handler {
const uint32_t kMqueueSize = 100;
const uint32_t kMqueueMessageSize = 65536;
const char* kSdlToHmiQueue = "/sdl_to_hmi";
const char* kHmiToSdlQueue = "/hmi_to_sdl";
CREATE_LOGGERPTR_GLOBAL(logger_, "HMIMessageHandler")
class ReceiverThreadDelegate : public threads::ThreadDelegate {
public:
ReceiverThreadDelegate(mqd_t mqueue_descriptor,
HMIMessageHandler* hmi_message_handler)
: mqueue_descriptor_(mqueue_descriptor),
hmi_message_handler_(hmi_message_handler) {}
private:
virtual void threadMain() {
while (true) {
static char buffer[kMqueueMessageSize];
const ssize_t size =
mq_receive(mqueue_descriptor_, buffer, kMqueueMessageSize, NULL);
if (-1 == size) {
LOG4CXX_ERROR(logger_, "Message queue receive failed, error " << errno);
continue;
}
const std::string message_string(buffer, buffer + size);
LOG4CXX_DEBUG(logger_, "Message: " << message_string);
MessageSharedPointer message(new application_manager::Message(
protocol_handler::MessagePriority::kDefault));
message->set_json_message(message_string);
message->set_protocol_version(application_manager::ProtocolVersion::kHMI);
hmi_message_handler_->OnMessageReceived(message);
}
}
const mqd_t mqueue_descriptor_;
HMIMessageHandler* hmi_message_handler_;
};
MqueueAdapter::MqueueAdapter(HMIMessageHandler* hmi_message_handler)
: HMIMessageAdapterImpl(hmi_message_handler),
sdl_to_hmi_mqueue_(-1),
hmi_to_sdl_mqueue_(-1),
receiver_thread_(NULL) {
mq_attr mq_attributes;
mq_attributes.mq_maxmsg = kMqueueSize;
mq_attributes.mq_msgsize = kMqueueMessageSize;
sdl_to_hmi_mqueue_ =
mq_open(kSdlToHmiQueue, O_CREAT | O_RDWR, S_IRWXU, &mq_attributes);
if (-1 == sdl_to_hmi_mqueue_) {
LOG4CXX_ERROR(logger_, "Could not open message queue "
<< kSdlToHmiQueue << ", error " << errno);
return;
}
hmi_to_sdl_mqueue_ =
mq_open(kHmiToSdlQueue, O_CREAT | O_RDWR, S_IRWXU, &mq_attributes);
if (-1 == hmi_to_sdl_mqueue_) {
LOG4CXX_ERROR(logger_, "Could not open message queue "
<< kHmiToSdlQueue << ", error " << errno);
return;
}
receiver_thread_delegate_ = new ReceiverThreadDelegate(hmi_to_sdl_mqueue_,
hmi_message_handler);
receiver_thread_ = threads::CreateThread("MqueueAdapter",
receiver_thread_delegate_);
receiver_thread_->start();
}
MqueueAdapter::~MqueueAdapter() {
receiver_thread_->join();
delete receiver_thread_delegate_;
threads::DeleteThread(receiver_thread_);
if (-1 != hmi_to_sdl_mqueue_) mq_close(hmi_to_sdl_mqueue_);
if (-1 != sdl_to_hmi_mqueue_) mq_close(sdl_to_hmi_mqueue_);
mq_unlink(kHmiToSdlQueue);
mq_unlink(kSdlToHmiQueue);
}
void MqueueAdapter::SendMessageToHMI(const MessageSharedPointer message) {
LOG4CXX_AUTO_TRACE(logger_);
if (-1 == sdl_to_hmi_mqueue_) {
LOG4CXX_ERROR(logger_, "Message queue is not opened");
return;
}
const std::string& json = message->json_message();
if (json.size() > kMqueueMessageSize) {
LOG4CXX_ERROR(logger_, "Message size " << json.size() << " is too big");
return;
}
const int rc = mq_send(sdl_to_hmi_mqueue_, json.c_str(), json.size(), 0);
if (0 != rc) {
LOG4CXX_ERROR(logger_, "Could not send message, error " << errno);
return;
}
}
void MqueueAdapter::SubscribeTo() {
// empty implementation of pure virtual method, actually it's not called
}
} // namespace hmi_message_handler
|