threaddata.cpp
2.27 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
#include "threaddata.h"
#include <string>
#include <sstream>
ThreadData::ThreadData(int threadnr, std::shared_ptr<SubscriptionStore> &subscriptionStore) :
subscriptionStore(subscriptionStore),
threadnr(threadnr)
{
epollfd = check<std::runtime_error>(epoll_create(999));
}
void ThreadData::moveThreadHere(std::thread &&thread)
{
this->thread = std::move(thread);
pthread_t native = this->thread.native_handle();
std::ostringstream threadName;
threadName << "FlashMQ T " << threadnr;
threadName.flush();
pthread_setname_np(native, threadName.str().c_str());
}
void ThreadData::quit()
{
running = false;
thread.join();
}
void ThreadData::giveClient(Client_p client)
{
clients_by_fd_mutex.lock();
int fd = client->getFd();
clients_by_fd[fd] = client;
clients_by_fd_mutex.unlock();
struct epoll_event ev;
memset(&ev, 0, sizeof (struct epoll_event));
ev.data.fd = fd;
ev.events = EPOLLIN;
check<std::runtime_error>(epoll_ctl(epollfd, EPOLL_CTL_ADD, fd, &ev));
}
Client_p ThreadData::getClient(int fd)
{
std::lock_guard<std::mutex> lck(clients_by_fd_mutex);
return this->clients_by_fd[fd];
}
void ThreadData::removeClient(Client_p client)
{
client->markAsDisconnecting();
std::lock_guard<std::mutex> lck(clients_by_fd_mutex);
clients_by_fd.erase(client->getFd());
}
void ThreadData::removeClient(int fd)
{
std::lock_guard<std::mutex> lck(clients_by_fd_mutex);
auto client_it = this->clients_by_fd.find(fd);
if (client_it != this->clients_by_fd.end())
{
client_it->second->markAsDisconnecting();
this->clients_by_fd.erase(fd);
}
}
std::shared_ptr<SubscriptionStore> &ThreadData::getSubscriptionStore()
{
return subscriptionStore;
}
// TODO: profile how fast hash iteration is. Perhaps having a second list/vector is beneficial?
bool ThreadData::doKeepAliveCheck()
{
std::unique_lock<std::mutex> lock(clients_by_fd_mutex, std::try_to_lock);
if (!lock.owns_lock())
return false;
auto it = clients_by_fd.begin();
while (it != clients_by_fd.end())
{
Client_p &client = it->second;
if (client->keepAliveExpired())
{
it = clients_by_fd.erase(it);
}
else
it++;
}
return true;
}