/* daemon live here, receives command, process it, send back result */
int htxd_start_daemon(htxd *htxd_instance)
{
int result = 0;
int socket_fd;
struct sockaddr_in local_address;
struct sockaddr_in client_address;
socklen_t address_length;
int client_socket_fd;
htxd_thread command_thread;
HTXD_FUNCTION_TRACE(FUN_ENTRY, "htxd_start_daemon");
init_option_list();
htxd_launch_autostart();
if(htxd_is_profile_initialized(htxd_instance) != TRUE) {
HTXD_TRACE(LOG_ON, "initialize HTX profile details");
htxd_init_profile(&(htxd_instance->p_profile));
/* htxd_display_profile(htxd_instance->p_profile); */ /* To DEBUG */
}
socket_fd = htxd_create_socket();
result = htxd_set_socket_option(socket_fd);
local_address.sin_family = AF_INET;
local_address.sin_port = htons (htxd_instance->port_number);
local_address.sin_addr.s_addr = INADDR_ANY;
memset (&(local_address.sin_zero), '\0', 8);
result = htxd_bind_socket(socket_fd, &local_address, htxd_instance->port_number);
result = htxd_listen_socket(socket_fd);
HTXD_TRACE(LOG_ON, "starting daemon main loop");
do /* this loop make the daemon live */
{
if(htxd_shutdown_flag == TRUE) {
break;
}
client_socket_fd = htxd_accept_connection(socket_fd, &client_address, &address_length);
if(client_socket_fd == -1)
{
if(htxd_shutdown_flag == TRUE) {
break;
}
HTXD_TRACE(LOG_ON, "htxd_accept_connection returned -1, ignoring and continue...");
continue;
}
HTXD_TRACE(LOG_OFF, "found a command for receiving");
memset(&command_thread, 0, sizeof(htxd_thread));
command_thread.thread_function = htxd_command_thraead_handler;
command_thread.thread_data = malloc(sizeof(int));
(*((int *)command_thread.thread_data)) = client_socket_fd;
command_thread.thread_stack_size = 10000000;
htxd_create_command_thread(&command_thread);
} while(htxd_shutdown_flag == FALSE);
htxd_shutdown_all_mdt();
HTXD_FUNCTION_TRACE(FUN_EXIT, "htxd_start_daemon");
return result;
}
/* daemon live here, receives command, process it, send back result */
int htxd_start_daemon(htxd *htxd_instance)
{
int result = 0;
int socket_fd;
struct sockaddr_in local_address;
struct sockaddr_in client_address;
socklen_t address_length;
int new_fd;
char * command_buffer = NULL;
char * command_result = NULL;
int command_return_code = 0;
char trace_string[256];
HTXD_FUNCTION_TRACE(FUN_ENTRY, "htxd_start_daemon");
init_option_list();
htxd_autostart(htxd_instance); /* try autostart if find the autostart flag file */
socket_fd = htxd_create_socket();
result = htxd_set_socket_option(socket_fd);
local_address.sin_family = AF_INET;
local_address.sin_port = htons (htxd_instance->port_number);
local_address.sin_addr.s_addr = INADDR_ANY;
memset (&(local_address.sin_zero), '\0', 8);
result = htxd_bind_socket(socket_fd, &local_address, htxd_instance->port_number);
result = htxd_listen_socket(socket_fd);
HTXD_TRACE(LOG_ON, "starting daemon main loop");
do /* this loop make the daemon live */
{
do /* this loop listens for incomming messages */
{
HTXD_TRACE(LOG_OFF, "daemon wating for command");
result = htxd_select(socket_fd);
if(htxd_shutdown_flag == TRUE) {
break;
}
}while( (result == -1) && (errno == EINTR) );
if(htxd_shutdown_flag == TRUE) {
break;
}
new_fd = htxd_accept_connection(socket_fd, &client_address, &address_length);
if(new_fd == -1)
{
if(htxd_shutdown_flag == TRUE) {
break;
}
HTXD_TRACE(LOG_OFF, "select time out");
continue;
}
HTXD_TRACE(LOG_OFF, "found a command for receiving");
if(htxd_is_profile_initialized(htxd_instance) != TRUE) {
HTXD_TRACE(LOG_ON, "initialize HTX profile details");
htxd_init_profile(&(htxd_instance->p_profile));
/* htxd_display_profile(htxd_instance->p_profile); */ /* To DEBUG */
register_signal_handlers();
}
/* receive the incomming command */
HTXD_TRACE(LOG_OFF, "daemon receiving command");
command_buffer = htxd_receive_command(new_fd);
if(command_buffer == NULL)
{
return -1;
}
HTXD_TRACE(LOG_OFF, "command received start<<");
HTXD_TRACE(LOG_OFF, command_buffer);
HTXD_TRACE(LOG_OFF, ">> command received end");
htxd_update_command_object(command_buffer);
if(command_buffer != NULL) {
free(command_buffer);
command_buffer = NULL;
}
/* process the received command */
HTXD_TRACE(LOG_OFF, "daemon start processing command");
command_return_code = htxd_process_command(&command_result);
/* handling if command did not generate result buffer */
if(command_result == NULL) {
command_result = malloc(HTX_ERR_MESSAGE_LENGTH);
if(command_result == NULL) {
sprintf(trace_string, "Error : malloc(%d) failed with errno = <%d> while allocating error message", HTX_ERR_MESSAGE_LENGTH, errno);
HTXD_TRACE(LOG_ON, trace_string);
exit(1);
}
strcpy(command_result, "No result is generated by the command");
}
HTXD_TRACE(LOG_OFF, "command result start<<");
HTXD_TRACE(LOG_OFF, command_result);
HTXD_TRACE(LOG_OFF, ">> command result end");
/* send back command result to client */
HTXD_TRACE(LOG_OFF, "daemon sending the result to client");
result = htxd_send_response(new_fd, command_result, command_return_code);
if(result == -1)
{
return result;
}
if(command_result != 0) {
free(command_result);
}
close(new_fd);
} while(htxd_shutdown_flag == FALSE);
if(htxd_get_ecg_list_length(htxd_instance->p_ecg_manager) > 0)
{
/* shutdown all running ecgs and return */
// htxd_shutdown_all_running_ecgs();
}
htxd_shutdown_all_mdt();
HTXD_FUNCTION_TRACE(FUN_EXIT, "htxd_start_daemon");
return result;
}