main.cpp
1.74 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
#include <iostream>
#include <signal.h>
#include <memory>
#include <string.h>
#include <openssl/ssl.h>
#include "mainapp.h"
MainApp *mainApp = nullptr;
static void signal_handler(int signal)
{
if (signal == SIGPIPE)
{
return;
}
if (signal == SIGHUP)
{
mainApp->queueConfigReload();
}
else if (signal == SIGTERM || signal == SIGINT)
{
mainApp->quit();
}
else
{
Logger *logger = Logger::getInstance();
logger->logf(LOG_INFO, "Received unhandled signal %d", signal);
}
}
int register_signal_handers()
{
struct sigaction sa;
memset(&sa, 0, sizeof (struct sigaction));
sa.sa_handler = &signal_handler;
sigemptyset(&sa.sa_mask);
sa.sa_flags = SA_RESTART;
if (sigaction(SIGHUP, &sa, nullptr) != 0 || sigaction(SIGTERM, &sa, nullptr) != 0 || sigaction(SIGINT, &sa, nullptr) != 0)
{
Logger *logger = Logger::getInstance();
logger->logf(LOG_INFO, "Error registering signal handlers");
return -1;
}
sigset_t set;
sigemptyset(&set);
sigaddset(&set,SIGPIPE);
int r;
if ((r = sigprocmask(SIG_BLOCK, &set, NULL) != 0))
{
return r;
}
return 0;
}
int main(int argc, char *argv[])
{
try
{
MainApp::initMainApp(argc, argv);
Logger *logger = Logger::getInstance();
mainApp = MainApp::getMainApp();
check<std::runtime_error>(register_signal_handers());
logger->logf(LOG_NOTICE, "Starting FlashMQ");
mainApp->start();
}
catch (std::exception &ex)
{
// Not using the logger here, because we may have had all sorts of init errors while setting it up.
std::cerr << ex.what() << std::endl;
return 1;
}
return 0;
}