controller-legacy/main.c

86 lines
2 KiB
C

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <lmdb.h>
#include <unistd.h>
#include <sys/socket.h>
#include <poll.h>
#include <logger.h>
#include <models/controller.h>
#include <database.h>
#include <config.h>
#include <discovery.h>
#include <enums.h>
/**
* @brief The main function
*
* @param argc UNUSED
* @param argv UNUSED
*
* @return Statuscode to indicate success (0) or failure (!0)
*/
int
main(int argc, char** argv)
{
(void)argc;
(void)argv;
MDB_env *mdb_env;
database_setup(&mdb_env);
controller *this_cntrlr = controller_load(mdb_env);
controller_save(this_cntrlr, mdb_env);
int fd_discovery = discovery_socket_open(this_cntrlr->discovery_port);
struct pollfd fds[2];
int timeout_msecs = ACCEPT_TIMEOUT_MSECONDS;
int ret;
int i;
int fd_count = 0;
/* Open STREAMS device. */
fds[POLL_FGS_DISCOVERY].fd = fd_discovery;
fds[POLL_FGS_DISCOVERY].events = POLLIN;
LOG_DEBUG("setup fd_discovery as %i on index %i", fd_discovery, fd_count);
fd_count++;
while(1)
{
ret = poll(fds, fd_count, timeout_msecs);
if(ret == 0)
{
LOG_TRACE("idle loop");
}
if(ret > 0)
{
/* An event on one of the fds has occurred. */
for(i = 0; i < fd_count; i++) {
if(fds[i].revents & POLLIN)
{
/* Priority data may be read on device number i. */
LOG_DEBUG("fd %i may read data", fds[i].fd);
switch(i)
{
case POLL_FGS_DISCOVERY:
discovery_handle_discover(fd_discovery, this_cntrlr);
}
}
if(fds[i].revents & POLLHUP)
{
/* A hangup has occurred on device number i. */
LOG_DEBUG("fd %i got closed", fds[i].fd);
}
}
}
}
close(fd_discovery);
mdb_env_close(mdb_env);
return 0;
}