72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
#include "zh_syslog.h"
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static zh_syslog_init_config_t _init_config = {0};
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static struct sockaddr_in _syslog_server = {0};
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static int _socket = 0;
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static bool _is_initialized = false;
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static const char *TAG = "zh_syslog";
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esp_err_t zh_syslog_init(const zh_syslog_init_config_t *config)
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{
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ESP_LOGI(TAG, "Syslog client initialization begin.");
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if (config == NULL)
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{
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ESP_LOGE(TAG, "Syslog client initialization fail. Invalid argument.");
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return ESP_ERR_INVALID_ARG;
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}
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_init_config = *config;
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_syslog_server.sin_addr.s_addr = inet_addr(_init_config.syslog_ip);
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_syslog_server.sin_family = AF_INET;
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_syslog_server.sin_port = htons(_init_config.syslog_port);
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_socket = socket(AF_INET, SOCK_DGRAM, 0);
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if (_socket < 0)
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{
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ESP_LOGE(TAG, "Syslog client initialization fail. Create socket error.");
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return ESP_FAIL;
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}
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ESP_LOGI(TAG, "Syslog client initialization success.");
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_is_initialized = true;
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return ESP_OK;
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}
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esp_err_t zh_syslog_deinit(void)
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{
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ESP_LOGI(TAG, "Syslog client deinitialization begin.");
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if (_is_initialized == false)
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{
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ESP_LOGE(TAG, "Syslog client deinitialization fail. Syslog client not initialized.");
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return ESP_ERR_NOT_FOUND;
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}
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shutdown(_socket, 0);
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close(_socket);
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ESP_LOGI(TAG, "Syslog client deinitialization success.");
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return ESP_OK;
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}
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esp_err_t zh_syslog_send(const zh_syslog_facility_code_t facility, const zh_syslog_severity_code_t severity, const char *hostname, const char *app_name, const char *message)
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{
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ESP_LOGI(TAG, "Syslog client send begin.");
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if (hostname == NULL || app_name == NULL || message == NULL)
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{
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ESP_LOGE(TAG, "Syslog client send fail. Invalid argument.");
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return ESP_ERR_INVALID_ARG;
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}
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if (_is_initialized == false)
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{
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ESP_LOGE(TAG, "Syslog client send fail. Syslog client not initialized.");
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return ESP_ERR_NOT_FOUND;
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}
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char *payload = (char *)heap_caps_malloc(1024, MALLOC_CAP_8BIT);
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memset(payload, 0, 1024);
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sprintf(payload, "<%d>1 - %s %s - - - %s", (facility * 8) + severity, hostname, app_name, message);
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if (sendto(_socket, payload, strlen(payload), 0, (struct sockaddr *)&_syslog_server, sizeof(_syslog_server)) < 0)
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{
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ESP_LOGE(TAG, "Syslog client send fail. Socker error.");
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heap_caps_free(payload);
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return ESP_FAIL;
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}
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heap_caps_free(payload);
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ESP_LOGI(TAG, "Syslog client send success.");
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return ESP_OK;
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} |