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| 1 | +///////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
| 2 | +// |
| 3 | +// Papertrail logger |
| 4 | +// |
| 5 | +// Rob Dobson 2021 |
| 6 | +// |
| 7 | +///////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
| 8 | + |
| 9 | +#include "LoggerPapertrail.h" |
| 10 | +#include <ConfigBase.h> |
| 11 | +#include <Logger.h> |
| 12 | +#include <NetworkSystem.h> |
| 13 | +#include <ESPUtils.h> |
| 14 | +#include <RaftUtils.h> |
| 15 | + |
| 16 | +// Log prefix |
| 17 | +static const char *MODULE_PREFIX = "LogPapertrail"; |
| 18 | + |
| 19 | +LoggerPapertrail::LoggerPapertrail(const ConfigBase& logDestConfig) |
| 20 | + : LoggerBase(logDestConfig) |
| 21 | +{ |
| 22 | + // Get config |
| 23 | + _host = logDestConfig.getString("host", ""); |
| 24 | + memset(&_hostAddrInfo, 0, sizeof(struct addrinfo)); |
| 25 | + _dnsLookupDone = false; |
| 26 | + _port = logDestConfig.getLong("port", 0); |
| 27 | + _sysName = logDestConfig.getString("sysName", ""); |
| 28 | + _sysName += "_" + getSystemMACAddressStr(ESP_MAC_WIFI_STA, ""); |
| 29 | +} |
| 30 | + |
| 31 | +LoggerPapertrail::~LoggerPapertrail() |
| 32 | +{ |
| 33 | + if (_socketFd >= 0) |
| 34 | + { |
| 35 | + close(_socketFd); |
| 36 | + } |
| 37 | +} |
| 38 | + |
| 39 | +void IRAM_ATTR LoggerPapertrail::log(esp_log_level_t level, const char *tag, const char* msg) |
| 40 | +{ |
| 41 | + // Check level |
| 42 | + if (level > _level) |
| 43 | + return; |
| 44 | + |
| 45 | + // Check if we're connected |
| 46 | + if (!networkSystem.isIPConnected()) |
| 47 | + return; |
| 48 | + |
| 49 | + // Check if DNS lookup done |
| 50 | + if (!_dnsLookupDone) |
| 51 | + { |
| 52 | + // Do DNS lookup |
| 53 | + struct addrinfo hints; |
| 54 | + memset(&hints,0,sizeof(hints)); |
| 55 | + hints.ai_family=AF_INET; |
| 56 | + hints.ai_socktype=SOCK_DGRAM; |
| 57 | + hints.ai_flags=0; |
| 58 | + struct addrinfo *addrResult; |
| 59 | + if (getaddrinfo(_host.c_str(), _port.c_str(), &hints, &addrResult) != 0) |
| 60 | + { |
| 61 | + ESP_LOGE(MODULE_PREFIX, "log failed to resolve host %s", _host.c_str()); |
| 62 | + return; |
| 63 | + } |
| 64 | + ESP_LOGI(MODULE_PREFIX, "log resolved host %s to %d.%d.%d.%d", _host.c_str(), |
| 65 | + addrResult->ai_addr->sa_data[0], addrResult->ai_addr->sa_data[1], |
| 66 | + addrResult->ai_addr->sa_data[2], addrResult->ai_addr->sa_data[3]); |
| 67 | + _hostAddrInfo = *addrResult; |
| 68 | + _dnsLookupDone = true; |
| 69 | + |
| 70 | + // Create UDP socket |
| 71 | + ESP_LOGI(MODULE_PREFIX, "log create udp socket"); |
| 72 | + _socketFd = socket(_hostAddrInfo.ai_family, _hostAddrInfo.ai_socktype, _hostAddrInfo.ai_protocol); |
| 73 | + if (_socketFd < 0) |
| 74 | + { |
| 75 | + ESP_LOGE(MODULE_PREFIX, "log create udp socket failed: %d errno: %d", _socketFd, errno); |
| 76 | + } |
| 77 | + else |
| 78 | + { |
| 79 | + // Debug |
| 80 | + ESP_LOGI(MODULE_PREFIX, "log hostIP %s port %s level %s sysName %s socketFd %d", |
| 81 | + _host.c_str(), _port.c_str(), getLevelStr(), _sysName.c_str(), _socketFd); |
| 82 | + } |
| 83 | + |
| 84 | + } |
| 85 | + |
| 86 | + // Start of log window? |
| 87 | + if (Raft::isTimeout(millis(), _logWindowStartMs, LOG_WINDOW_SIZE_MS)) |
| 88 | + { |
| 89 | + _logWindowStartMs = millis(); |
| 90 | + _logWindowCount = 1; |
| 91 | + } |
| 92 | + else |
| 93 | + { |
| 94 | + // Count log messages |
| 95 | + _logWindowCount++; |
| 96 | + if (_logWindowCount >= LOG_WINDOW_MAX_COUNT) |
| 97 | + { |
| 98 | + // Discard |
| 99 | + return; |
| 100 | + } |
| 101 | + } |
| 102 | + |
| 103 | + // Format message |
| 104 | + String logMsg = "<22>" + _sysName + ": " + msg; |
| 105 | + |
| 106 | + // Send to papertrail using UDP socket |
| 107 | + int ret = sendto(_socketFd, logMsg.c_str(), logMsg.length(), 0, _hostAddrInfo.ai_addr, _hostAddrInfo.ai_addrlen); |
| 108 | + if (ret < 0) |
| 109 | + { |
| 110 | + ESP_LOGE(MODULE_PREFIX, "log failed: %d errno %d", ret, errno); |
| 111 | + return; |
| 112 | + } |
| 113 | +} |
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