120 lines
2.8 KiB
Go
120 lines
2.8 KiB
Go
package main
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import (
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"database/sql"
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"flag"
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"fmt"
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"log"
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"os"
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"os/signal"
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"sync"
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"syscall"
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"time"
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_ "github.com/joho/godotenv/autoload"
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_ "github.com/mattn/go-sqlite3"
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)
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var (
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runStart = time.Now()
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logPath = runStart.Format("2006-01-02.15:04:05") + ".gomeshalerter.json"
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logFile *os.File
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logData []LogEntry
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logBuffer *LogRingBuffer
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db *sql.DB
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logMutex sync.Mutex // Mutex for thread-safe logging
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)
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func main() {
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fmt.Fprintf(os.Stderr, "[%s] starting gomeshalerter\n", runStart.Format("15:04:05"))
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setupLogging()
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defer flushLog()
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var err error
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db, err = sql.Open("sqlite3", dbPath+"?_journal=WAL") // Use WAL mode for better concurrency
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if err != nil {
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log.Fatalf("Failed to open database: %v", err)
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}
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// Initialize log buffer
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logBuffer = NewLogRingBuffer(MAX_LOG_ENTRIES)
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// Define a cleanup function to properly close resources
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cleanup := func() {
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fmt.Fprintf(os.Stderr, "[shutdown] Closing database...\n")
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if err := db.Close(); err != nil {
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fmt.Fprintf(os.Stderr, "[shutdown] Error closing database: %v\n", err)
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}
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flushLog()
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fmt.Fprintf(os.Stderr, "[shutdown] Cleanup complete\n")
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}
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// Ensure cleanup runs on normal exit
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defer cleanup()
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if err := setupDatabase(); err != nil {
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log.Fatalf("Failed to setup database: %v", err)
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}
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ollamaModel := "qwen3:32b"
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ollamaURL := os.Getenv("OLLAMA_URL")
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if ollamaURL == "" {
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ollamaURL = "http://localhost:11434" // Default Ollama server URL
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}
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fmt.Fprintf(os.Stderr, "[ollama] Using model: %s at %s\n", ollamaModel, ollamaURL)
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// Replace --broadcast flag with --dry-run flag (default is to broadcast)
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dryRun := flag.Bool("dry-run", false, "don't actually send to meshtastic, just print what would be sent")
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flag.Parse()
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// Create a WaitGroup to manage goroutines
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var wg sync.WaitGroup
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// Create a channel to signal shutdown
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shutdown := make(chan struct{})
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// Set up signal handling for immediate exit with cleanup
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sigChan := make(chan os.Signal, 1)
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signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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<-sigChan
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fmt.Fprintf(os.Stderr, "[shutdown] Received signal, performing cleanup before exit...\n")
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cleanup()
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fmt.Fprintf(os.Stderr, "[shutdown] Exiting...\n")
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os.Exit(0) // Exit after cleanup
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}()
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// Start RSS feed checker goroutine
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wg.Add(1)
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go func() {
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defer wg.Done()
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rssFeedChecker(shutdown, ollamaURL, ollamaModel)
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}()
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// Start article summarizer goroutine
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wg.Add(1)
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go func() {
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defer wg.Done()
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articleSummarizer(shutdown, ollamaURL, ollamaModel)
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}()
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// Start broadcaster goroutine
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wg.Add(1)
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go func() {
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defer wg.Done()
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broadcaster(shutdown, *dryRun)
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}()
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// Start web server goroutine
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wg.Add(1)
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go func() {
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defer wg.Done()
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webServer(shutdown)
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}()
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// Wait for all goroutines to finish
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wg.Wait()
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fmt.Fprintf(os.Stderr, "[shutdown] All goroutines stopped, exiting...\n")
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}
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