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/**** POSIX *******************************************************************/
#include <pthread.h>
#include <string.h>
/**** RELABSD *****************************************************************/
#include <relabsd/debug.h>
#include <relabsd/server.h>
/******************************************************************************/
/**** LOCAL FUNCTIONS *********************************************************/
/******************************************************************************/
static void main_loop (struct relabsd_server server [const static 1])
{
int communication_socket, current_client_socket;
int interrupt_fd, highest_fd;
int ready_fds;
fd_set ready_to_read;
if
(
relabsd_server_create_communication_node
(
relabsd_parameters_get_communication_node_name(&(server->parameters)),
&communication_socket
)
< 0
)
{
relabsd_server_interrupt();
return;
}
interrupt_fd = relabsd_server_get_interruption_file_descriptor();
if (interrupt_fd > communication_socket)
{
highest_fd = (interrupt_fd + 1);
}
else
{
highest_fd = (communication_socket + 1);
}
for (;;)
{
FD_ZERO(&ready_to_read);
FD_SET(communication_socket, &ready_to_read);
FD_SET(interrupt_fd, &ready_to_read);
ready_fds =
select
(
highest_fd,
&ready_to_read,
(fd_set *) NULL,
(fd_set *) NULL,
(struct timeval *) NULL
);
/* TODO: select error handling. */
if (!relabsd_server_keep_running())
{
return;
}
errno = 0;
current_client_socket =
accept
(
communication_socket,
(struct sockaddr *) NULL,
(socklen_t *) NULL
);
if (current_client_socket == -1)
{
RELABSD_ERROR
(
"Unable to accept on the server's socket: %s.",
strerror(errno)
);
return -1;
}
(void) handle_client(current_client_socket, server);
}
}
static void * posix_main_loop (void * params)
{
main_loop((struct relabsd_server *) params);
return NULL;
}
/******************************************************************************/
/**** EXPORTED FUNCTIONS ******************************************************/
/******************************************************************************/
int relabsd_server_create_communication_thread
(
struct relabsd_server server [const static 1]
)
{
int err;
err =
pthread_create
(
&(server->communication_thread),
(const pthread_attr_t *) NULL,
posix_main_loop,
(void *) server
);
if (err != 0)
{
RELABSD_FATAL
(
"Unable to create the communication thread: %s",
strerror(err)
);
return -1;
}
return 0;
}
int relabsd_server_join_communication_thread
(
struct relabsd_server server [const static 1]
)
{
int err;
err = pthread_join(server->communication_thread, (void **) NULL);
if (err != 0)
{
RELABSD_FATAL
(
"Unable to join with the communication thread: %s",
strerror(err)
);
return -1;
}
return 0;
}
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