/* to start all exercisers */
int htxd_activate_all_ecg_devices(htxd_ecg_manager *this_ecg_manager)
{
	htxd_ecg_info *p_current_ecg_info;
	int number_of_exercisers_to_run;
	struct htxshm_HE *p_HE;
	int i;


	HTXD_FUNCTION_TRACE(FUN_ENTRY, "htxd_activate_all_ecg_devices");

	p_current_ecg_info = this_ecg_manager->current_loading_ecg_info;
	/* number_of_exercisers_to_run = p_current_ecg_info->ecg_number_of_exercisers_to_run; */
	number_of_exercisers_to_run = p_current_ecg_info->ecg_shm_exerciser_entries;

	p_HE = (struct htxshm_HE *)(p_current_ecg_info->ecg_shm_addr.hdr_addr + 1); /* skipping shm header and point to first HE */

	for(i = 0; i < number_of_exercisers_to_run; i++) {
		htxd_load_exerciser(p_HE + i);
	}
	sleep(10);  /* let all exercisers to start */

	(p_current_ecg_info->ecg_shm_addr.hdr_addr)->started = 1;
	p_current_ecg_info->ecg_status = ECG_ACTIVE;
	this_ecg_manager->loaded_device_count += number_of_exercisers_to_run;

	HTXD_FUNCTION_TRACE(FUN_EXIT, "htxd_activate_all_ecg_devices");
	return 0;
}
/* select mdt command main function */
int htxd_option_method_select_mdt(char **result, htxd_command *p_command)
{
	htxd *htxd_instance;
	htxd_ecg_info * p_ecg_info_list;
	htxd_ecg_info * p_ecg_info_to_select;
	char command_ecg_name[MAX_ECG_NAME_LENGTH];
	htxd_ecg_manager *ecg_manager;
	char trace_str[512], cmd[128];
	char temp_str[512];


	HTXD_FUNCTION_TRACE(FUN_ENTRY, "htxd_option_method_select_mdt");
	/* htxd instance will be created only first time */
	htxd_instance = htxd_get_instance();

	*result = malloc(1024);
	ecg_manager = htxd_get_ecg_manager();
	strcpy(command_ecg_name, p_command->ecg_name);

	if(htxd_instance->is_mdt_created == 0) {
		htxd_execute_shell_profile();	
		htxd_instance->is_mdt_created = 1;
	}

	if(htxd_instance->run_state == HTXD_DAEMON_STATE_SELECTED_MDT) {
		if(strcmp(command_ecg_name, ecg_manager->selected_ecg_name) == 0) {
			sprintf(*result, "Failed to select specified ecg/mdt(%s), same ecg/mdt is already selected", command_ecg_name);
		} else {
			sprintf(*result, "Failed to select specified ecg/mdt(%s), another ecg/mdt(%s) is already selected", command_ecg_name, ecg_manager->selected_ecg_name);
		}
		return 1;
	}

	if(htxd_instance->run_state == HTXD_DAEMON_STATE_RUNNING_MDT) {
		if(strcmp(command_ecg_name, ecg_manager->running_ecg_name) == 0) {
			sprintf(*result, "Failed to select specified ecg/mdt(%s), same ecg/mdt is being run", command_ecg_name);
		} else {
			sprintf(*result, "Failed to select specified ecg/mdt(%s), another ecg/mdt(%s) is being run", command_ecg_name, ecg_manager->running_ecg_name);
		}
		return 1;
	}

	sprintf(trace_str, "ECG name from command = <%s>", command_ecg_name);
	HTXD_TRACE(LOG_OFF, trace_str);


	if(command_ecg_name[0] == '\0') {
		sprintf(command_ecg_name, "%s/mdt/%s", global_htx_home_dir, DEFAULT_ECG_NAME);
	}

	if(htxd_is_file_exist(command_ecg_name) == FALSE) {
		sprintf(*result, "specified mdt(%s) is invalid", command_ecg_name);
		HTXD_TRACE(LOG_OFF, "htxd_is_file_exist() could not find the ECG file");
		return 1;
	}

	if(ecg_manager == NULL) {
		HTXD_TRACE(LOG_OFF, "ecg manager is creating");
		ecg_manager = create_ecg_manager();
		if(ecg_manager == NULL) {
			HTXD_TRACE(LOG_OFF, "e_ecg_manager() failed to create ecg manager");
			return 1;
		}
		htxd_instance->p_ecg_manager = ecg_manager;
		htxd_send_message ("HTX Daemon wakeup for responding", 0, HTX_SYS_INFO, HTX_SYS_MSG);
	}

	p_ecg_info_list = htxd_get_ecg_info_list(htxd_instance->p_ecg_manager);
	while(p_ecg_info_list != NULL) {
		if( strcmp(command_ecg_name, p_ecg_info_list->ecg_name) == 0) {
			sprintf(*result, "specified ECG (%s) is already running", command_ecg_name);
			HTXD_TRACE(LOG_OFF, "specified ECG is already running");
			return 1;
		}
		p_ecg_info_list = p_ecg_info_list->ecg_info_next;
	}

	htxd_set_daemon_state(HTXD_DAEMON_STATE_SELECTING_MDT);

	/* copy run mdt to current mdt */
	sprintf(temp_str, "cp %s %s/mdt/mdt ; sync", command_ecg_name, global_htx_home_dir);
	system(temp_str);

	/* update for camss mdt */
	if( strstr(command_ecg_name, "camss") != NULL) {
		sprintf(trace_str, "updating camss mdt <%s>", command_ecg_name);
		HTXD_TRACE(LOG_OFF, trace_str);
		sprintf(cmd, "%s/etc/scripts/%s %s", global_htx_home_dir, CAMSS_MDT_UPDATE_SCRIPT, command_ecg_name);
		system(cmd);
	}

	/* execute run setup script for this MDT */
	htxd_execute_run_setup_script(command_ecg_name);

	/* allocating required IPCs  and initialize the value at shared memory*/
	HTXD_TRACE(LOG_OFF, "run initializing ecg_info");
	htxd_init_ecg_info(ecg_manager, command_ecg_name);

	/* start hxsmsg process if it is not already started */
	if(htxd_get_htx_msg_pid() == 0) {
		sprintf(temp_str, "%s/%s", global_htx_home_dir, HTXD_AUTOSTART_FILE);
		if(htxd_is_file_exist(temp_str) == FALSE) { /* incase of bootme do not truncate error file */
			htxd_truncate_error_file();
		}
		htxd_truncate_message_file();
		htxd_load_hxsmsg(htxd_instance->p_profile);
		HTXD_TRACE(LOG_ON, "run started htxsmsg process");
	}

	strcpy(ecg_manager->selected_ecg_name, command_ecg_name);

	/* to DEBUG */
/*	htxd_display_ecg_info_list();
	htxd_display_exer_table();
*/
	p_ecg_info_to_select = ecg_manager->current_loading_ecg_info;
	if(p_ecg_info_to_select->ecg_exerciser_entries == 0){
		sprintf(*result, "No device is present in ECG <%s>, could not start any device", command_ecg_name);
	} else if(p_ecg_info_to_select->ecg_shm_exerciser_entries == 0){
		sprintf(*result, "No device is started under ECG <%s>, since all the devices are already loaded under another ECG(s)", command_ecg_name);
	} else if (p_ecg_info_to_select->ecg_exerciser_entries != p_ecg_info_to_select->ecg_shm_exerciser_entries) {
		sprintf(*result, "ECG (%s) is slected\nWARNING: few devices are unable to start since they may be already loaded under another ECG(s)", command_ecg_name);
	} else {
		sprintf(*result, "ECG (%s) is selected", command_ecg_name);
		sprintf(trace_str, "date +\"ECG (%s) was selected on %%x at %%X %%Z\" >>%s/%s", command_ecg_name, global_htxd_log_dir, HTXD_START_STOP_LOG);
		system(trace_str);
	}

	htxd_send_message (*result, 0, HTX_SYS_INFO, HTX_SYS_MSG);
	HTXD_TRACE(LOG_ON, *result);
	htxd_set_daemon_state(HTXD_DAEMON_STATE_SELECTED_MDT);
	HTXD_FUNCTION_TRACE(FUN_EXIT, "htxd_option_method_select_mdt");
	return 0;

}
/* run command main function */
int htxd_option_method_run_mdt(char **result, htxd_command *p_command)
{
	htxd *htxd_instance;
	htxd_ecg_info * p_ecg_info_list;
	htxd_ecg_info * p_ecg_info_to_run;
	char command_ecg_name[MAX_ECG_NAME_LENGTH];
	htxd_ecg_manager *ecg_manager;
	char trace_str[512], cmd[128];
	int return_code;
	char temp_str[512];


	HTXD_FUNCTION_TRACE(FUN_ENTRY, "htxd_option_method_run_mdt");
	/* htxd instance will be created only first time */
	htxd_instance = htxd_get_instance();
	strcpy(command_ecg_name, p_command->ecg_name);

	sprintf(trace_str, "ECG name from command = <%s>", command_ecg_name);
	HTXD_TRACE(LOG_OFF, trace_str);

	htxd_ecg_shutdown_flag = FALSE;

	ecg_manager = htxd_get_ecg_manager();

	if(command_ecg_name[0] == '\0') {
		sprintf(command_ecg_name, "%s/mdt/%s", global_htx_home_dir, DEFAULT_ECG_NAME);
	}

	if(htxd_instance->is_mdt_created == 0) {
		htxd_execute_shell_profile();	
		htxd_instance->is_mdt_created = 1;
	}

	*result = malloc(1024);

	if(htxd_is_file_exist(command_ecg_name) == FALSE) {
		sprintf(*result, "specified mdt(%s) is invalid", command_ecg_name);
		HTXD_TRACE(LOG_OFF, "htxd_is_file_exist() could not find the ECG file");
		return 1;
	}

	if(ecg_manager == NULL) {
		HTXD_TRACE(LOG_OFF, "ecg manager is creating");
		ecg_manager = create_ecg_manager();
		if(ecg_manager == NULL) {
			HTXD_TRACE(LOG_OFF, "e_ecg_manager() failed to create ecg manager");
			return 1;
		}
		htxd_instance->p_ecg_manager = ecg_manager;
	}


	/* start hxsmsg process if it is not already started */
	if(htxd_get_htx_msg_pid() == 0) {
		sprintf(temp_str, "%s/%s", global_htx_home_dir, HTXD_AUTOSTART_FILE);
		if(htxd_is_file_exist(temp_str) == FALSE) { /* incase of bootme do not truncate error file */
			htxd_truncate_error_file();
		}
		htxd_truncate_message_file();
		htxd_load_hxsmsg(htxd_instance->p_profile);
		HTXD_TRACE(LOG_ON, "run started htxsmsg process");
		htxd_send_message ("HTX Daemon wakeup for responding", 0, HTX_SYS_INFO, HTX_SYS_MSG);
	}

	if(htxd_is_daemon_selected()  != TRUE) {
		p_ecg_info_list = htxd_get_ecg_info_list(htxd_instance->p_ecg_manager);
		while(p_ecg_info_list != NULL) {
			if( strcmp(command_ecg_name, p_ecg_info_list->ecg_name) == 0) {
				sprintf(*result, "specified ECG (%s) is already running", command_ecg_name);
				HTXD_TRACE(LOG_OFF, "specified ECG is already running");
				return 1;
			}
			p_ecg_info_list = p_ecg_info_list->ecg_info_next;
		}
		sprintf(trace_str, "start activating  MDT <%s>", command_ecg_name);
		htxd_send_message (trace_str, 0, HTX_SYS_INFO, HTX_SYS_MSG);
		HTXD_TRACE(LOG_ON, trace_str);

		/* copy run mdt to current mdt */
		sprintf(temp_str, "cp %s %s/mdt/mdt ; sync", command_ecg_name, global_htx_home_dir);
		system(temp_str);

		/* update for camss mdt */
		if( strstr(command_ecg_name, "camss") != NULL) {
			sprintf(trace_str, "updating camss mdt <%s>", command_ecg_name);
			HTXD_TRACE(LOG_OFF, trace_str);
			sprintf(cmd, "%s/etc/scripts/%s %s", global_htx_home_dir, CAMSS_MDT_UPDATE_SCRIPT, command_ecg_name);
			system(cmd);
		}

		/* execute run setup script for this MDT */
		htxd_execute_run_setup_script(command_ecg_name);

		/* allocating required IPCs  and initialize the value at shared memory*/
		HTXD_TRACE(LOG_OFF, "run initializing ecg_info");
		htxd_init_ecg_info(ecg_manager, command_ecg_name);
	} else {
		if(strcmp(command_ecg_name, ecg_manager->selected_ecg_name) != 0) {
			sprintf(*result, "Failed to run specified ecg/mdt (%s), another ecg/mdt (%s) is already selected", command_ecg_name, ecg_manager->selected_ecg_name);
			return 1;
		}
		ecg_manager->selected_ecg_name[0] = '\0';
	}

	htxd_set_daemon_state(HTXD_DAEMON_STATE_STARTING_MDT);
	ecg_manager->current_loading_ecg_info->ecg_run_start_time = (int) time((time_t *) 0);

	/* initializing syscfg */
	if(htxd_is_init_syscfg() != TRUE) {
		return_code = init_syscfg();
		if (return_code != 0) {
			sprintf(*result, "Internal error: failed to initialize syscfg with error code <%d>", return_code);
			HTXD_TRACE(LOG_ON, *result);
			return return_code;
		}
		htxd_set_init_syscfg_flag(TRUE);
	}

	/* start all devices in the ecg */
	HTXD_TRACE(LOG_OFF, "run activating all devices under the ECG");
	htxd_activate_all_ecg_devices(ecg_manager);

	/* start hxstats process if it is not already started */
	if(htxd_get_htx_stats_pid() == 0) {
		htxd_load_hxstats();
		HTXD_TRACE(LOG_ON, "run started htxstats process");
	}

#ifdef __HTXD_DR__
	/* start DR child process */
	if(htxd_get_dr_child_pid() == 0) {
		htxd_start_DR_child();
		HTXD_TRACE(LOG_ON, "run started DR child process");
	}
#endif

#ifdef __HTX_LINUX__
	/* start hotplug monitor */
	if( htxd_is_hotplug_monitor_initialized() != TRUE && htxd_get_equaliser_offline_cpu_flag() != 1) {
		htxd_start_hotplug_monitor(&(htxd_instance->p_hotplug_monitor_thread));
		HTXD_TRACE(LOG_ON, "run started hotplug monitor");
	}
#endif

	/* start equaliser process */
	if( htxd_check_for_equaliser_start(ecg_manager) == TRUE) {
		htxd_start_equaliser();
		HTXD_TRACE(LOG_ON, "run started equaliser process");
	}

	/* start hang monitor thread */
	if(htxd_is_hang_monitor_initialized() != TRUE) {
		htxd_start_hang_monitor(&(htxd_instance->p_hang_monitor_thread));
		HTXD_TRACE(LOG_ON, "run started hang monitor thread");
	}

	/* start stop_watch monitor thread */
	if(htxd_is_stop_watch_monitor_initialized() != TRUE) {
		htxd_start_stop_watch_monitor(&(htxd_instance->stop_watch_monitor_thread));
		HTXD_TRACE(LOG_ON, "run started stop watch monitor thread");
	}

	htxd_set_test_running_state(HTXD_TEST_ACTIVATED);
	strcpy(ecg_manager->running_ecg_name, command_ecg_name);


	/* to DEBUG */
/*	htxd_display_ecg_info_list();
	htxd_display_exer_table();
*/
	p_ecg_info_to_run = ecg_manager->current_loading_ecg_info;
	if(p_ecg_info_to_run->ecg_exerciser_entries == 0){
		sprintf(*result, "No device is present in ECG <%s>, could not start any device", command_ecg_name);
	} else if(p_ecg_info_to_run->ecg_shm_exerciser_entries == 0){
		sprintf(*result, "No device is started under ECG <%s>, since all the devices are already loaded under another ECG(s)", command_ecg_name);
	} else if (p_ecg_info_to_run->ecg_exerciser_entries != p_ecg_info_to_run->ecg_shm_exerciser_entries) {
		sprintf(*result, "ECG (%s) Activated\nWARNING: few devices are unable to start since they may be already loaded under another ECG(s)", command_ecg_name);
	} else {
		sprintf(*result, "ECG (%s) Activated.", command_ecg_name);
		sprintf(trace_str, "date +\"ECG (%s) was activated on %%x at %%X %%Z\" >>%s/%s", command_ecg_name, global_htxd_log_dir, HTXD_START_STOP_LOG);
		system(trace_str);
	}

	/* have to set shm key to system header shared memory so that htx stats is able to connect */
	htxd_set_system_header_info_shm_with_current_shm_key(p_ecg_info_to_run->ecg_shm_key);

	htxd_send_message (*result, 0, HTX_SYS_INFO, HTX_SYS_MSG);
	htxd_set_daemon_state(HTXD_DAEMON_STATE_RUNNING_MDT);
	HTXD_TRACE(LOG_ON, *result);
	HTXD_FUNCTION_TRACE(FUN_EXIT, "htxd_option_method_run_mdt");
	return 0;
}
/* load exerciser : start exerciser process */
int htxd_load_exerciser(struct htxshm_HE *p_HE)
{

	int exerciser_pid;
	int temp_int;
	char exerciser_path[512];
	char exerciser_name[64];
	char device_name[64];
	char run_mode[64];
	char rule_path[64];
	int emc_mode;
	char trace_str[256];


	HTXD_FUNCTION_TRACE(FUN_ENTRY, "htxd_load_exerciser");
	sprintf(trace_str, "loading exerciser <%s>", p_HE->sdev_id);
	HTXD_TRACE(LOG_OFF, trace_str);
	exerciser_pid = htxd_create_child_process();
	switch(exerciser_pid)
	{
	case 0:
		setsid();

		temp_int = p_HE->priority;
		nice(temp_int);

		sleep(5);   /* let daemon update shared memory */

		strcpy(exerciser_name, p_HE->HE_name);

		if (strcmp(p_HE->HE_name, "hxemem64") == 0) {
			putenv("CORE_NOSHM=true");
		}

		if (strcmp(p_HE->HE_name, "hxepowermixer") == 0) {
			putenv("MEMORY_AFFINITY=MCM");
		}

		strcpy(exerciser_path, global_htx_home_dir);
		strcat(exerciser_path, "/bin/");
		strcat(exerciser_path, exerciser_name);

		strcpy(device_name, "/dev/");
		strcat(device_name, p_HE->sdev_id);

		emc_mode = htxd_get_emc_mode();
		if(emc_mode == 1) {
			strcpy(run_mode, "EMC");
		} else {
			strcpy(run_mode, "REG");
		}

		if(emc_mode == 1) {
			if(p_HE->emc_rules[0] != '/') {
				sprintf(rule_path, "%s/rules/emc/%s", global_htx_home_dir, p_HE->emc_rules);
			} else {
				strcpy(rule_path, p_HE->emc_rules);
			}
		} else {
			if(p_HE->reg_rules[0] != '/') {
				sprintf(rule_path, "%s/rules/reg/%s", global_htx_home_dir, p_HE->reg_rules);
			} else {
				strcpy(rule_path, p_HE->reg_rules);
			}
		}

		/* system("export EXTSHM=OFF"); */
		unsetenv("EXTSHM");

		if ( (execl(exerciser_path, exerciser_name, device_name, run_mode, rule_path, (char *) 0) ) == -1) {
			sprintf(trace_str, "execl() failed  exerciser_path <%s> exerciser_name <%s> errno = <%d>\n", exerciser_path, exerciser_name, errno);
			htxd_send_message (trace_str, 0, HTX_SYS_SOFT_ERROR, HTX_SYS_MSG);
			HTXD_TRACE(LOG_ON, trace_str);
			exit(-1);
		}

	case -1:
		sprintf(trace_str, "exerciser <%s> fork failed with error <%d>", p_HE->sdev_id, errno);
		HTXD_TRACE(LOG_ON, trace_str);
		return -1;

	default:
		p_HE->PID = exerciser_pid;
		htxd_update_exer_pid_in_exer_list(htxd_get_exer_table(), p_HE->sdev_id, exerciser_pid);
		sprintf(trace_str, "exerciser <%s> forked with PID <%d>", p_HE->sdev_id, p_HE->PID);
		HTXD_TRACE(LOG_OFF, trace_str);
		break;
	}
	htxd_reset_FD_close_on_exec_flag();

	HTXD_FUNCTION_TRACE(FUN_EXIT, "htxd_load_exerciser");
	return 0;
}
Beispiel #5
0
/* 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;
}
Beispiel #6
0
/* allocating IPC resources required for the new ECG */
int htxd_init_ecg_info(htxd_ecg_manager *this_ecg_manager, char *new_ecg_name)
{
	int number_of_devices;
	int max_number_of_devices;
	char error_msg[1024];
	htxd_ecg_info *p_current_ecg_info;
	int next_key_offset;
	char temp_string[256];


	HTXD_FUNCTION_TRACE(FUN_ENTRY, "htxd_init_ecg_info");

	sprintf(temp_string, "start processing ECG <%s>", new_ecg_name);
	HTXD_TRACE(LOG_OFF, temp_string);
	/* htxd_send_message (temp_string, 0, HTX_SYS_INFO, HTX_SYS_MSG); */

	htxd_allocate_ecg_info(this_ecg_manager);

	number_of_devices = htxd_get_number_of_device(new_ecg_name, error_msg);
	max_number_of_devices = number_of_devices + EXTRA_DEVICE_ENTRIES;

	p_current_ecg_info = this_ecg_manager->current_loading_ecg_info;
	p_current_ecg_info->ecg_info_next = NULL;

	p_current_ecg_info->ecg_exerciser_entries = number_of_devices;
	p_current_ecg_info->ecg_max_exerciser_entries = max_number_of_devices;
	p_current_ecg_info->ecg_shm_exerciser_entries = 0;
	strcpy( p_current_ecg_info->ecg_name, new_ecg_name);
	p_current_ecg_info->ecg_status = ECG_UNLOADED;

	next_key_offset = htxd_get_next_key_offset(this_ecg_manager);

	p_current_ecg_info->ecg_shm_key = ECG_SHMKEY_START + next_key_offset;
	p_current_ecg_info->ecg_sem_key = ECG_SEMKEY_START + next_key_offset;


	HTXD_TRACE(LOG_OFF, "allocationg semaphore for ecg_info");
	/* allocating semaphore */
	if( (p_current_ecg_info->ecg_sem_id = htxd_init_sem(p_current_ecg_info->ecg_sem_key, max_number_of_devices) ) == -1 ) {
		return -1;
	}

	HTXD_TRACE(LOG_OFF, "allocationg shared memory for ecg_info");
	/* allocating shared memory */
	if( ( p_current_ecg_info->ecg_shm_addr.hdr_addr = htxd_init_shm(p_current_ecg_info->ecg_shm_key, max_number_of_devices,&(p_current_ecg_info->ecg_shm_id) ) ) == NULL ) {
		return -1;
	}

	/* setting shared memory with header values */
	HTXD_TRACE(LOG_OFF, "setting shm header values");
	htxd_set_shm_header_values(this_ecg_manager);

	/* setting shared memory with HE values */
	HTXD_TRACE(LOG_OFF, "setting shm HE values");
	htxd_set_shm_exercisers_values(this_ecg_manager, new_ecg_name);

	/* initialize equaliser info */
	HTXD_TRACE(LOG_OFF, "initialize equaliser_info");
	htxd_init_equaliser_info(p_current_ecg_info);

	/* initialize start-halted mode */
	htxd_init_start_halted_exerciser_mode(p_current_ecg_info);

	p_current_ecg_info->ecg_status = ECG_INACTIVE;

	p_current_ecg_info->ecg_shm_addr.hdr_addr->num_entries = p_current_ecg_info->ecg_shm_exerciser_entries;
	(this_ecg_manager->ecg_list_length)++;

	HTXD_FUNCTION_TRACE(FUN_EXIT, "htxd_init_ecg_info");
	return 0;
}
Beispiel #7
0
/* 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;
}