overall improvements + keep up with querymanager v0.2

.gitignore

@@ -3,3 +3,4 @@ bin
 build
 local
 *.log
+config.cfg

common.go

@@ -9,6 +9,7 @@ import (
 	"strings"
 	"time"
 	"unicode"
+	"unicode/utf8"
 )
 
 // TReadBuffer
@@ -83,7 +84,11 @@ func (ReadBuffer *TReadBuffer) ReadString() string {
 
 	Result := ""
 	if ReadBuffer.CanRead(Length) {
-		Result = string(ReadBuffer.Buffer[ReadBuffer.Position:][:Length])
+		// IMPORTANT(fusion): The game server uses LATIN1 encoding, which forces
+		// the query manager to use LATIN1 encoding for text, at least on the
+		// protocol level.
+		Input := ReadBuffer.Buffer[ReadBuffer.Position:][:Length]
+		Result = string(Latin1ToUTF8(Input))
 	}
 	ReadBuffer.Position += Length
 	return Result
@@ -157,7 +162,11 @@ func (WriteBuffer *TWriteBuffer) Write32BE(Value uint32) {
 }
 
 func (WriteBuffer *TWriteBuffer) WriteString(String string) {
-	Length := len(String)
+	// IMPORTANT(fusion): The game server uses LATIN1 encoding, which forces
+	// the query manager to use LATIN1 encoding for text, at least on the
+	// protocol level.
+	Output := UTF8ToLatin1([]byte(String))
+	Length := len(Output)
 	if Length < 0xFFFF {
 		WriteBuffer.Write16(uint16(Length))
 	} else {
@@ -166,7 +175,7 @@ func (WriteBuffer *TWriteBuffer) WriteString(String string) {
 	}
 
 	if WriteBuffer.CanWrite(Length) {
-		copy(WriteBuffer.Buffer[WriteBuffer.Position:], String)
+		copy(WriteBuffer.Buffer[WriteBuffer.Position:], Output)
 	}
 	WriteBuffer.Position += Length
 }
@@ -370,7 +379,7 @@ func WorldTypeString(Type int) string {
 	}
 }
 
-func TimestampString(Timestamp int) string {
+func FormatTimestamp(Timestamp int) string {
 	String := "Never"
 	if Timestamp > 0 {
 		Time := time.Unix(int64(Timestamp), 0)
@@ -378,3 +387,53 @@ func TimestampString(Timestamp int) string {
 	}
 	return String
 }
+
+func FormatDurationSince(Timestamp int) string {
+	String := "N/A"
+	if Timestamp > 0{
+		Duration := time.Since(time.Unix(int64(Timestamp), 0))
+		String = Duration.Truncate(time.Second).String()
+	}
+	return String
+}
+
+func UTF8FindNextLeadingByte(Buffer []byte) int {
+	Offset := 0
+	for Offset < len(Buffer) {
+		// NOTE(fusion): Allow the first byte to be a leading byte, in case we
+		// just want to advance from one leading byte to another.
+		if(Offset > 0 && utf8.RuneStart(Buffer[Offset])){
+			break
+		}
+		Offset += 1
+	}
+	return Offset
+}
+
+func UTF8ToLatin1(Buffer []byte) []byte {
+	ReadPos := 0
+	Result := []byte{}
+	for ReadPos < len(Buffer) {
+		Codepoint, Size := utf8.DecodeRune(Buffer[ReadPos:])
+		if Codepoint != utf8.RuneError {
+			ReadPos += Size
+		}else{
+			ReadPos += UTF8FindNextLeadingByte(Buffer[ReadPos:])
+		}
+
+		if Codepoint >= 0 && Codepoint <= 0xFF {
+			Result = append(Result, byte(Codepoint))
+		}else{
+			Result = append(Result, '?')
+		}
+	}
+	return Result
+}
+
+func Latin1ToUTF8(Buffer []byte) []byte {
+	Result := []byte{}
+	for ReadPos := range Buffer {
+		Result = utf8.AppendRune(Result, rune(Buffer[ReadPos]))
+	}
+	return Result
+}

main.go

@@ -563,7 +563,7 @@ func HandleWorld(Context *THttpRequestContext) {
 }
 
 func main() {
-	g_Log.Print("Tibia Web Server v0.1")
+	g_Log.Print("Tibia Web Server v0.2")
 	if !ReadConfig("config.cfg", WebKVCallback) {
 		return
 	}

query.go

@@ -45,8 +45,10 @@ type (
 		Type             string
 		NumPlayers       int
 		MaxPlayers       int
-		OnlineRecord     int
-		OnlineRecordTime string
+		OnlinePeak       int
+		OnlinePeakTimestamp int
+		LastStartup      int
+		LastShutdown     int
 	}
 
 	TAccountSummary struct {
@@ -77,7 +79,7 @@ type (
 		Level       int
 		Profession  string
 		Residence   string
-		LastLogin   string
+		LastLogin   int
 		PremiumDays int
 		Online      bool
 		Deleted     bool
@@ -389,7 +391,7 @@ func (Connection *TQueryManagerConnection) GetCharacterProfile(CharacterName str
 		Character.Level = int(ReadBuffer.Read16())
 		Character.Profession = ReadBuffer.ReadString()
 		Character.Residence = ReadBuffer.ReadString()
-		Character.LastLogin = TimestampString(int(ReadBuffer.Read32()))
+		Character.LastLogin = int(ReadBuffer.Read32())
 		Character.PremiumDays = int(ReadBuffer.Read16())
 		Character.Online = ReadBuffer.ReadFlag()
 		Character.Deleted = ReadBuffer.ReadFlag()
@@ -422,8 +424,10 @@ func (Connection *TQueryManagerConnection) GetWorlds() (Result int, Worlds []TWo
 				Worlds[Index].Type = WorldTypeString(int(ReadBuffer.Read8()))
 				Worlds[Index].NumPlayers = int(ReadBuffer.Read16())
 				Worlds[Index].MaxPlayers = int(ReadBuffer.Read16())
-				Worlds[Index].OnlineRecord = int(ReadBuffer.Read16())
-				Worlds[Index].OnlineRecordTime = TimestampString(int(ReadBuffer.Read32()))
+				Worlds[Index].OnlinePeak = int(ReadBuffer.Read16())
+				Worlds[Index].OnlinePeakTimestamp = int(ReadBuffer.Read32())
+				Worlds[Index].LastStartup = int(ReadBuffer.Read32())
+				Worlds[Index].LastShutdown = int(ReadBuffer.Read32())
 			}
 		}
 	default:

templates.go

@@ -58,7 +58,13 @@ var (
 
 func InitTemplates() bool {
 	var Err error
-	g_Templates, Err = template.ParseGlob("templates/*.tmpl")
+
+	CustomFuncs := template.FuncMap{
+		"FormatTimestamp": FormatTimestamp,
+		"FormatDurationSince": FormatDurationSince,
+	}
+
+	g_Templates, Err = template.New("").Funcs(CustomFuncs).ParseGlob("templates/*.tmpl")
 	if Err != nil {
 		g_LogErr.Printf("Failed to parse templates: %v", Err)
 		return false

templates/character_create.tmpl

@@ -1,6 +1,6 @@
 {{template "_header.tmpl" .Common}}
 	<form class="box" action="/character/create" method="POST">
-		<h1>Create Account</h1>
+		<h1>Create Character</h1>
 
 		<label for="character_name">NAME</label>
 		<input id="character_name" type="text" name="name"/>

templates/character_profile.tmpl

@@ -35,7 +35,7 @@
 				</tr>
 				<tr>
 					<th>Last Login:</th>
-					<td>{{.LastLogin}}</td>
+					<td>{{FormatTimestamp .LastLogin}}</td>
 				</tr>
 				<tr>
 					<th>Account Status:</th>

templates/world_info.tmpl

@@ -16,13 +16,24 @@
 					<td>{{.NumPlayers}}</td>
 				</tr>
 				<tr>
-					<th>Online Record:</th>
-					{{if .OnlineRecord}}
-						<td>{{.OnlineRecord}} players (on {{.OnlineRecordTime}})</td>
+					<th>Online Peak:</th>
+					{{if eq .OnlinePeak 1}}
+						<td>{{.OnlinePeak}} player (on {{FormatTimestamp .OnlinePeakTimestamp}})</td>
+					{{else if gt .OnlinePeak 1}}
+						<td>{{.OnlinePeak}} players (on {{FormatTimestamp .OnlinePeakTimestamp}})</td>
 					{{else}}
 						<td>None</td>
 					{{end}}
 				</tr>
+				<tr>
+					{{if gt .LastStartup .LastShutdown}}
+						<th>Uptime:</th>
+						<td>{{FormatDurationSince .LastStartup}}</td>
+					{{else}}
+						<th>Downtime:</th>
+						<td style="color: #A11;">{{FormatDurationSince .LastShutdown}}</td>
+					{{end}}
+				</tr>
 			</table>
 			<a class="button" href="/killstatistics?world={{.Name}}">Kill Statistics</a>
 		{{else}}

templates/world_list.tmpl

@@ -7,12 +7,18 @@
 					<th>Name</th>
 					<th>Type</th>
 					<th>Players Online</th>
+					<th>Status</th>
 				</tr>
 				{{range .Worlds}}
 					<tr>
 						<td><a href="/world?name={{.Name}}">{{.Name}}</a></td>
 						<td>{{.Type}}</td>
 						<td>{{.NumPlayers}}</td>
+						{{if gt .LastStartup .LastShutdown}}
+							<td style="color: #1A1;">Online</td>
+						{{else}}
+							<td style="color: #A11;">Offline</td>
+						{{end}}
 					</tr>
 				{{end}}
 			</table>