Explicitly define locations for important files and folders in the config file.

This removes the hardcoded paths for the blockchain and warehouse.

.gitignore

@@ -1,5 +1,4 @@
 *.exe
 log.txt
 *debug_bin
-self.*
 test.*

Blockchain.go

@@ -15,14 +15,11 @@ import (
 // UserBlockchain is the user's blockchain and exports functions to directly read and write it
 var UserBlockchain *blockchain.Blockchain
 
-// filenameUserBlockchain is the filename/folder of the user's blockchain
-const filenameUserBlockchain = "self.blockchain"
-
 // initUserBlockchain initializes the users blockchain. It creates the blockchain file if it does not exist already.
 // If it is corrupted, it will log the error and exit the process.
 func initUserBlockchain() {
 	var err error
-	UserBlockchain, err = blockchain.Init(peerPrivateKey, filenameUserBlockchain)
+	UserBlockchain, err = blockchain.Init(peerPrivateKey, config.BlockchainMain)
 
 	if err != nil {
 		Filters.LogError("initUserBlockchain", "error: %s\n", err.Error())

Config Default.yaml

@@ -1,4 +1,8 @@
-LogFile: Log.txt
+# Locations of important files and folders
+LogFile:          "data/log.txt"                # Log file. It contains informational and error messages.
+BlockchainMain:   "data/blockchain main/"       # Blockchain main stores the end-users blockchain data. It contains meta data of shared files, profile data, and social interactions.
+BlockchainGlobal: "data/blockchain global/"     # Blockchain global stores blockchain data from global users.
+WarehouseMain:    "data/warehouse main/"        # Warehouse main stores the actual data of files shared by the end-user.
 
 # Listen defines all IP:Port combinations to listen on. If empty, it will listen on all IPs automatically on available ports.
 # IPv6 must be in the form "[IPv6]:Port". This setting is only recommended to be set on servers.

Config.go

@@ -11,6 +11,7 @@ import (
 	"io/ioutil"
 	"log"
 	"os"
+	"path"
 
 	"gopkg.in/yaml.v3"
 )
@@ -19,8 +20,13 @@ import (
 const Version = "Alpha 4/15.11.2021"
 
 var config struct {
-	LogFile string `yaml:"LogFile"` // Log file
+	// Locations of important files and folders
+	LogFile          string `yaml:"LogFile"`          // Log file. It contains informational and error messages.
+	BlockchainMain   string `yaml:"BlockchainMain"`   // Blockchain main stores the end-users blockchain data. It contains meta data of shared files, profile data, and social interactions.
+	BlockchainGlobal string `yaml:"BlockchainGlobal"` // Blockchain global stores blockchain data from global users.
+	WarehouseMain    string `yaml:"WarehouseMain"`    // Warehouse main stores the actual data of files shared by the end-user.
 
+	// Listen settings
 	Listen        []string `yaml:"Listen"`        // IP:Port combinations
 	ListenWorkers int      `yaml:"ListenWorkers"` // Count of workers to process incoming raw packets. Default 2.
 
@@ -118,6 +124,11 @@ func saveConfig() {
 
 // InitLog redirects subsequent log messages into the default log file specified in the configuration
 func InitLog() (err error) {
+	// create the directory to the log file if specified
+	if directory, _ := path.Split(config.LogFile); directory != "" {
+		os.MkdirAll(directory, os.ModePerm)
+	}
+
 	logFile, err := os.OpenFile(config.LogFile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
 	if err != nil {
 		return err

Network IPv6 Multicast.go

@@ -63,7 +63,7 @@ func (network *Network) MulticastIPv6Join() (err error) {
 	joinMulticastGroup := func(iface *net.Interface) (err error) {
 		pc := ipv6.NewPacketConn(network.multicastSocket)
 		if err := pc.JoinGroup(iface, &net.UDPAddr{IP: network.multicastIP}); err != nil {
-			Filters.LogError("MulticastIPv6Join", "join multicast group iface '%s' multicast IP '%s' listen on IP '%s' port '%d': %v\n", iface.Name, network.multicastIP.String(), network.address.IP.String(), ipv6MulticastPort, err)
+			//Filters.LogError("MulticastIPv6Join", "join multicast group iface '%s' multicast IP '%s' listen on IP '%s' port '%d': %v\n", iface.Name, network.multicastIP.String(), network.address.IP.String(), ipv6MulticastPort, err)
 			return err
 		}
 

Warehouse.go

@@ -13,12 +13,9 @@ import (
 // UserWarehouse is the user's warehouse for storing files that are shared
 var UserWarehouse *warehouse.Warehouse
 
-// folderUserWarehouse is the folder of the user's warehouse
-const folderUserWarehouse = "warehouse"
-
 func initUserWarehouse() {
 	var err error
-	UserWarehouse, err = warehouse.Init(folderUserWarehouse)
+	UserWarehouse, err = warehouse.Init(config.WarehouseMain)
 
 	if err != nil {
 		Filters.LogError("initUserWarehouse", "error: %s\n", err.Error())