142 lines
3.8 KiB
C
142 lines
3.8 KiB
C
#include <stdlib.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#include <command.h>
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#include <mpack.h>
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#include <logger.h>
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#include <helpers.h>
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#include <enums.h>
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#include <models/controller.h>
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int
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command_set_relay_schedule(relay_t *relay)
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{
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controller_t *controller = controller_get_by_id(relay->controller_id);
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if(!controller)
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{
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LOG_ERROR("couldn't find controller\n");
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return 1;
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}
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char* payload;
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size_t payload_size;
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mpack_writer_t writer;
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mpack_writer_init_growable(&writer, &payload, &payload_size);
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// 3 = code, relay num, relay name, schedules(array)
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mpack_start_map(&writer, 3);
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mpack_write_uint(&writer, COMMAND_MAPPING_CODE);
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mpack_write_u8(&writer, COMMAND_CODE_SET_SCHEDULE);
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mpack_write_uint(&writer, COMMAND_MAPPING_RELAY_NUM);
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mpack_write_u8(&writer, relay->number);
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mpack_write_uint(&writer, COMMAND_MAPPING_SCHEDULES_ARRAY);
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// 7 = days of week
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mpack_start_array(&writer, 7);
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for(int i = 0; i < 7; ++i)
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{
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uint16_t *periods_blob = schedule_periods_to_blob(relay->schedules[i]);
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uint16_t periods_count = periods_blob[0];
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// 3 = code, relaynum, schedules(array)
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mpack_start_map(&writer, 3);
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mpack_write_uint(&writer, COMMAND_MAPPING_PERIODS_COUNT);
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mpack_write_u16(&writer, periods_count);
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mpack_write_uint(&writer, COMMAND_MAPPING_SCHEDULE_ID);
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mpack_write_bin(&writer, (char*)relay->schedules[0]->uid, sizeof(uuid_t));
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mpack_write_uint(&writer, COMMAND_MAPPING_PERIODS_BLOB);
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// periods + 1 to skip length in periods[0]
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// periods_count * 2 because each uint16_t is a timestamp. 2 are start and end
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mpack_write_bin(&writer, (char*)(periods_blob + 1), sizeof(uint16_t) * periods_count * 2);
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mpack_finish_map(&writer);
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free(periods_blob);
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}
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mpack_finish_array(&writer);
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mpack_finish_map(&writer);
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// finish writing
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if (mpack_writer_destroy(&writer) != mpack_ok)
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{
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LOG_ERROR("an error occurred encoding the data");
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controller_free(controller);
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return 1;
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}
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int result = command_send(controller, COMMAND_CODE_SET_SCHEDULE, payload, payload_size);
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controller_free(controller);
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free(payload);
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return result;
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}
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int
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command_set_controller_name(controller_t *controller)
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{
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char* payload;
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size_t payload_size;
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mpack_writer_t writer;
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mpack_writer_init_growable(&writer, &payload, &payload_size);
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// write the example on the msgpack homepage
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mpack_start_map(&writer, 2);
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mpack_write_uint(&writer, COMMAND_MAPPING_CODE);
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mpack_write_u8(&writer, COMMAND_CODE_SET_NAME);
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mpack_write_uint(&writer, COMMAND_MAPPING_NAME);
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mpack_write_cstr(&writer, controller->name);
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mpack_finish_map(&writer);
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// finish writing
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if (mpack_writer_destroy(&writer) != mpack_ok)
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{
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LOG_ERROR("an error occurred encoding the data");
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return 1;
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}
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int result = command_send(controller, COMMAND_CODE_SET_NAME, payload, payload_size);
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free(payload);
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return result;
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}
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int
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command_send(controller_t *controller, int command_code, char *payload, uint32_t payload_size)
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{
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LOG_DEBUG("commanding %d\n", command_code);
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int bytes_transferred;
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int fd_controller = helper_connect_tcp_server(controller->ip, controller->port);
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if(fd_controller == -1)
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{
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LOG_ERROR("can't open command socket %s:%d\n", controller->ip, controller->port);
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return 1;
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}
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if((bytes_transferred = send(fd_controller, &payload_size, sizeof(payload_size), 0)) <= 0)
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{
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LOG_ERROR("error during sending size\n");
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return 1;
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}
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if((bytes_transferred = send(fd_controller, payload, payload_size, 0)) <= 0)
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{
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LOG_ERROR("error during sending\n");
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return 1;
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}
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close(fd_controller);
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return 0;
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}
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