add: gscp

1 files changed, 73 insertions, 0 deletions

diff --git a/cmd/main.go b/cmd/main.go
new file mode 100644
index 0000000..887b506
--- /dev/null
+++ b/cmd/main.go
@@ -0,0 +1,73 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"time"
+
+	"gscp/internal/config"
+	"gscp/internal/local"
+	"gscp/internal/remote"
+	"gscp/internal/transfer"
+)
+
+func main() {
+	// Parse command-line arguments
+	cfg := config.ParseArgs()
+
+	if cfg.Verbose {
+		log.Printf("Starting parallel SCP with configuration:")
+		log.Printf("  Destination: %s", cfg.Dest)
+		log.Printf("  Remote User: %s", cfg.RemoteUser)
+		log.Printf("  Remote Host: %s", cfg.RemoteHost)
+		log.Printf("  Remote Path: %s", cfg.RemotePath)
+		log.Printf("  Parallelism: %d", cfg.Parallelism)
+		log.Printf("  Lock Dir: %s", cfg.LockDir)
+		log.Printf("  Cipher: %s", cfg.CipherOption)
+	}
+
+	// Create lock directory if it doesn't exist
+	err := os.MkdirAll(cfg.LockDir, 0755)
+	if err != nil {
+		log.Fatalf("Failed to create lock directory: %v", err)
+	}
+
+	// Get remote file list
+	remoteFiles, err := remote.GetFiles(cfg)
+	if err != nil {
+		log.Fatalf("Failed to get remote files: %v", err)
+	}
+	if cfg.Verbose {
+		log.Printf("Found %d remote files", len(remoteFiles))
+	}
+
+	// Get local file list
+	localFiles, err := local.GetFiles(cfg.Dest)
+	if err != nil {
+		log.Fatalf("Failed to get local files: %v", err)
+	}
+	if cfg.Verbose {
+		log.Printf("Found %d local files", len(localFiles))
+	}
+
+	// Compute diff (files that exist on remote but not on local)
+	diffFiles := transfer.GetDiffFiles(remoteFiles, localFiles)
+	if cfg.Verbose {
+		log.Printf("Found %d files to copy", len(diffFiles))
+	}
+
+	// If only listing files, print them and exit
+	if cfg.OnlyListFiles {
+		for _, file := range diffFiles {
+			fmt.Println(file)
+		}
+		return
+	}
+
+	// Copy files in parallel
+	start := time.Now()
+	copiedFiles := transfer.CopyFilesInParallel(diffFiles, cfg)
+	elapsed := time.Since(start)
+	log.Printf("Done! Copied %d/%d files in %s", copiedFiles, len(diffFiles), elapsed)
+}