core-legacy/src/command.c
Tobias Reisinger 9d2c48d645 add: macro endpoints
add: basic macro support
fix: database locking with lock-pointer
fix: memory leaks
2020-09-04 00:28:49 +02:00

282 lines
7.7 KiB
C

#include <stdlib.h>
#include <unistd.h>
#include <sys/socket.h>
#include <mpack.h>
#include <command.h>
#include <logger.h>
#include <helpers.h>
#include <enums.h>
#include <models/controller.h>
typedef enum
{
COMMAND_CODE_CONTROLLER_ID_GET = 0,
COMMAND_CODE_CONTROLLER_TIME_GET = 1,
COMMAND_CODE_CONTROLLER_NAME_SET = 2,
COMMAND_CODE_CONTROLLER_NAME_GET = 3,
COMMAND_CODE_RELAY_SCHEDULES_SET = 100,
COMMAND_CODE_RELAY_SCHEDULES_GET = 101,
COMMAND_CODE_RELAY_NAME_SET = 102,
COMMAND_CODE_RELAY_NAME_GET = 103,
COMMAND_CODE_RELAY_PULSE = 200,
COMMAND_CODE_SCHEDULE_UPDATE = 300
} command_code_t;
typedef enum
{
COMMAND_MAPPING_CODE = 0,
COMMAND_MAPPING_NAME = 1,
COMMAND_MAPPING_RELAY_NUM = 2,
COMMAND_MAPPING_SCHEDULES_ARRAY = 3,
COMMAND_MAPPING_SCHEDULE_ID = 4,
COMMAND_MAPPING_PERIODS_COUNT = 5,
COMMAND_MAPPING_PERIODS_BLOB = 6,
COMMAND_MAPPING_PULSE_DURATION = 7,
} control_mapping_t;
int
command_schedule_update(schedule_t *schedule)
{
char* payload;
size_t payload_size;
mpack_writer_t writer;
mpack_writer_init_growable(&writer, &payload, &payload_size);
// 4 = code, periods_count, schedule_id, periods_blob
mpack_start_map(&writer, 4);
mpack_write_uint(&writer, COMMAND_MAPPING_CODE);
mpack_write_u16(&writer, COMMAND_CODE_SCHEDULE_UPDATE);
uint16_t *periods_blob = schedule_periods_to_blob(schedule);
uint16_t periods_count = periods_blob[0];
mpack_write_uint(&writer, COMMAND_MAPPING_PERIODS_COUNT);
mpack_write_u16(&writer, periods_count);
mpack_write_uint(&writer, COMMAND_MAPPING_SCHEDULE_ID);
mpack_write_bin(&writer, (char*)schedule->uid, sizeof(uuid_t));
mpack_write_uint(&writer, COMMAND_MAPPING_PERIODS_BLOB);
// periods + 1 to skip length in periods[0]
// periods_count * 2 because each uint16_t is a timestamp. 2 are start and end
mpack_write_bin(&writer, (char*)(periods_blob + 1), sizeof(uint16_t) * periods_count * 2);
free(periods_blob);
mpack_finish_array(&writer);
mpack_finish_map(&writer);
// finish writing
if (mpack_writer_destroy(&writer) != mpack_ok)
{
LOGGER_ERR("an error occurred encoding the data");
return 1;
}
int result = 0;
relay_t **relays = relay_get_with_schedule(schedule->id);
for(int i = 0; relays[i] != NULL; ++i)
{
controller_t *controller = controller_get_by_id(relays[i]->controller_id);
if(!controller)
{
LOGGER_ERR("couldn't find controller for relay %d\n", relays[i]->id);
continue;
}
LOGGER_DEBUG("sending command to controller %s\n", controller->name);
result |= command_send(controller, payload, payload_size);
controller_free(controller);
}
relay_free_list(relays);
free(payload);
return result;
}
int
command_relay_schedules_set(relay_t *relay)
{
controller_t *controller = controller_get_by_id(relay->controller_id);
if(!controller)
{
LOGGER_ERR("couldn't find controller\n");
return 1;
}
char* payload;
size_t payload_size;
mpack_writer_t writer;
mpack_writer_init_growable(&writer, &payload, &payload_size);
// 3 = code, relay num, relay name, schedules(array)
mpack_start_map(&writer, 3);
mpack_write_uint(&writer, COMMAND_MAPPING_CODE);
mpack_write_u16(&writer, COMMAND_CODE_RELAY_SCHEDULES_SET);
mpack_write_uint(&writer, COMMAND_MAPPING_RELAY_NUM);
mpack_write_u8(&writer, relay->number);
mpack_write_uint(&writer, COMMAND_MAPPING_SCHEDULES_ARRAY);
// 7 = days of week
mpack_start_array(&writer, 7);
for(int i = 0; i < 7; ++i)
{
// 3 = uid, periods count, periods blob
mpack_start_map(&writer, 3);
uint16_t *periods_blob = schedule_periods_to_blob(relay->schedules[i]);
uint16_t periods_count = periods_blob[0];
mpack_write_uint(&writer, COMMAND_MAPPING_SCHEDULE_ID);
mpack_write_bin(&writer, (char*)relay->schedules[i]->uid, sizeof(uuid_t));
mpack_write_uint(&writer, COMMAND_MAPPING_PERIODS_COUNT);
mpack_write_u16(&writer, periods_count);
mpack_write_uint(&writer, COMMAND_MAPPING_PERIODS_BLOB);
// periods + 1 to skip length in periods[0]
// periods_count * 2 because each uint16_t is a timestamp. 2 are start and end
mpack_write_bin(&writer, (char*)(periods_blob + 1), sizeof(uint16_t) * periods_count * 2);
free(periods_blob);
mpack_finish_map(&writer);
}
mpack_finish_array(&writer);
mpack_finish_map(&writer);
// finish writing
if (mpack_writer_destroy(&writer) != mpack_ok)
{
LOGGER_ERR("an error occurred encoding the data");
controller_free(controller);
return 1;
}
LOGGER_DEBUG("sending command to controller %s\n", controller->name);
int result = command_send(controller, payload, payload_size);
controller_free(controller);
free(payload);
return result;
}
int
command_controller_name_set(controller_t *controller)
{
char* payload;
size_t payload_size;
mpack_writer_t writer;
mpack_writer_init_growable(&writer, &payload, &payload_size);
// write the example on the msgpack homepage
mpack_start_map(&writer, 2);
mpack_write_uint(&writer, COMMAND_MAPPING_CODE);
mpack_write_u16(&writer, COMMAND_CODE_CONTROLLER_NAME_SET);
mpack_write_uint(&writer, COMMAND_MAPPING_NAME);
mpack_write_cstr(&writer, controller->name);
mpack_finish_map(&writer);
// finish writing
if (mpack_writer_destroy(&writer) != mpack_ok)
{
LOGGER_ERR("an error occurred encoding the data");
return 1;
}
LOGGER_DEBUG("sending command to controller %s\n", controller->name);
int result = command_send(controller, payload, payload_size);
free(payload);
return result;
}
int
command_send(controller_t *controller, char *payload, uint32_t payload_size)
{
int bytes_transferred;
int fd_controller = helper_connect_tcp_server(controller->ip, controller->port);
if(fd_controller == -1)
{
LOGGER_ERR("can't open command socket %s:%d\n", controller->ip, controller->port);
return 1;
}
if((bytes_transferred = send(fd_controller, &payload_size, sizeof(payload_size), 0)) <= 0)
{
LOGGER_ERR("error during sending size\n");
return 1;
}
if((bytes_transferred = send(fd_controller, payload, payload_size, 0)) <= 0)
{
LOGGER_ERR("error during sending\n");
return 1;
}
close(fd_controller);
return 0;
}
int
command_relay_pulse(relay_t *relay, uint8_t duration)
{
controller_t *controller = controller_get_by_id(relay->controller_id);
if(!controller)
{
LOGGER_ERR("couldn't find controller\n");
return 1;
}
char* payload;
size_t payload_size;
mpack_writer_t writer;
mpack_writer_init_growable(&writer, &payload, &payload_size);
// 3 = code, relay num, relay name, schedules(array)
mpack_start_map(&writer, 3);
mpack_write_uint(&writer, COMMAND_MAPPING_CODE);
mpack_write_u16(&writer, COMMAND_CODE_RELAY_PULSE);
mpack_write_uint(&writer, COMMAND_MAPPING_RELAY_NUM);
mpack_write_u8(&writer, relay->number);
mpack_write_uint(&writer, COMMAND_MAPPING_PULSE_DURATION);
mpack_write_u8(&writer, duration);
mpack_finish_map(&writer);
// finish writing
if (mpack_writer_destroy(&writer) != mpack_ok)
{
LOGGER_ERR("an error occurred encoding the data\n");
controller_free(controller);
return 1;
}
LOGGER_DEBUG("sending command to controller %s\n", controller->name);
int result = command_send(controller, payload, payload_size);
controller_free(controller);
free(payload);
return result;
}