lweb/lweb.pbi

;********************************
;*
;* lweb.pbi
;*
;* LiHaSo Webserver Main module.
;*
;* It is usable as standalone Webserver, look at lwebd.pb
;*


XIncludeFile "ltls.pbi"
XIncludeFile "lsocket.pbi"

Module lhs_web
  ;********************************
  ;*
  ;* WebServer Variabeln / Parameter
  ;*
  ;{

  ;*
  ;* Identifikation des Servers.
  ;*

  Global.s conf_version = "V0.9"
  Global.s conf_titel = "LiHaSo Webserver " + conf_version
  
  ;*
  ;* Diese Parameter müssen entsprechend angepasst sein.
  ;* Später ausgelagert in ein nicht synchronisiertes lweb-cfg.pbi 
  ;* Folgende Parameter müssen im Hauptprogramm definiert sein.
  Global.s conf_defaultfile = "index.html"
  Global.s conf_basedir = "/srv/lweb-srv/"
  Global.s conf_error400 = "integrated"      ; Kann "integrated" sein wass die integrierte Standard Fehlermeldung hervorruft.
  Global.i conf_max_HTTP_clients = 10        ; Max sametime HTTP connections. 
  Global.i conf_max_HTTPS_clients = 100      ; Max sametime HTTPS connections.
  Global.i conf_server_type = 0
  Global.i conf_HTTP_port = 8080
  Global.s conf_HTTP_binding = "127.0.0.1"
  Global.i conf_cache_time = 120          ;120Sekunden
  Global.i conf_cache_maxsize = 1         ;1 Mbyte
  Global.i conf_cache_current = 0
  Global.i conf_cache_enable = 0 
  Global.i conf_HTTPS_Port = 8443
  Global.s conf_HTTPS_binding = "127.0.0.1" 
  Global.i conf_HTTPS_enable = 0            ;SSL Server
  Global.s conf_HTTPS_CA = ""
  Global.s conf_HTTPS_Cert = ""
  Global.s conf_HTTPS_Key = ""
  Global.s conf_HTTPS_Key_Pass = ""
  
  Enumeration s_client_do         ;client_do_cli
    #CLI_DO_NOP                   ;Keine Arbeit
    #CLI_DO_DataWorking           ;Datenverarbeitung
    #CLI_DO_DataToSend            ;Daten zum Senden vorhanden
    #CLI_DO_WaitDataReceive       ;Wartet auf Datenempfang
    #CLI_DO_WaitDataSend          ;Wartet auf gesendete Daten
  EndEnumeration
  
  Enumeration s_server_do         ;client_do_srv
    #SRV_DO_NOP                   ;Keine Arbeit
    #SRV_DO_NewDatainBuffer       ;Neue Daten im incoming Buffer zur bearbeitung.
    #SRV_DO_MoreDatainBuffer      ;Weitere Daten im incoming Buffer
    #SRV_DO_DataReceive           ;Datem Empfangen Client Thread muss sich darum Kümmern
    #SRV_DO_DataReceiveCompleted  ;Empfang der Daten Abgeschlossen
    #SRV_DO_DataReceiveFailes     ;Beim Empfangen der Daten ist ein fehler passiert.
    #SRV_DO_DataSendOK            ;Daten erfolgreich gesendet, Thread kann weiterarbeiten.
    #SRV_DO_DataSendNOK           ;Daten nicht erfolgreich gesendet.
    #SRV_DO_ClientDisconnect      ;Beenden des Threads Client hat verbindung getrennt.
  EndEnumeration
  
  Enumeration e_type_client 1
    #client_HTTP
    #client_HTTPS
  EndEnumeration
  
  #client_add = 1
  #client_remove = -1
  
  #http_method_get = "GET"
  #http_method_post = "POST"
  #http_method_put = "PUT"
  
  ;***********************
  ;* s_lweb_client Struktur Jeder Clientthread muss in die Liste eingetragen werden.:
  ;*
  ;* client_id = Client ID von EventClient()

  ;* client_mutex = Client Thread Blockierer für den Hauptthread um gefahrenlos Daten in den Buffer Speichern zu können. (Vorsichtshalber drinn)
  ;* client_datenbuffer = 128KByte Speicherblock in diesen Speicher Schreibt nur der Hauptthread.
  ;* client_output_datenbuffer = 128KByte Speicherblock in diesen Speicher Schreibt nur der Clientthread.
  ;* client_datenbuffer = 128KByte Speicherblock für die Module achtung dieser Speicherblock wird unter umständen von den Modulen 
  ;*                                     vergrössert wird nach abgeschlossener Arbeit wieder auf Default gesetzt.
  ;*
  Structure s_client_memory
    *Buffer
    Initialized.b
    Size.i
  EndStructure
  
  Structure s_file_cache
    *Buffer
    Size.i
    Timer.i
    Is.i
  EndStructure
  
  Structure s_clients
    client_id.i
    client_do_cli.i
    client_do_srv.i
    client_type.i                        ;What type of Client.
    client_mutex.i
    client_thread.i
    List datenbuffer.s_client_memory()
    client_test_cli.i
    client_test_srv.i
    client_cctx.i
  EndStructure
  
  Structure s_request_handler
    call.i
    type.i
    routetype.i
  EndStructure
  

  
  Enumeration cli_handler_infos 1
    #get_handler_procedure      ;Funktion die Aufgerufen werden muss
    #get_handler_prototype      ;Welcher Prototype
  EndEnumeration
  
  Global.i count_HTTP_client
  Global.i count_HTTPS_client
  Global.i server_HTTP_id
  Global.i server_HTTPS_id
  Global.i server_mutex = CreateMutex() ;Dieser Mutex dient zu der Sicherheit der Element Liste.
  Global.i count_HTTP_mutex = CreateMutex()
  Global.i count_HTTPS_mutex = CreateMutex()
  Global.i file_cache_mutex = CreateMutex()
  Global.i file_cache_semaphore = CreateSemaphore()
  Global.i file_cache_semaphore_thread = CreateSemaphore()
  Global NewMap m_file_cache_map.i()
  Global NewMap m_file_cache.s_file_cache()
  Global NewMap m_clients.s_clients(conf_max_HTTP_clients+conf_max_HTTPS_clients)
  Global NewMap m_request.s_request_handler()
  
  ;}
  
  ;********************************
  ;*
  ;* Handler Prototypen
  ;*
  
  Prototype.s WebHandler_Get(Map handler_Map.s())
  Prototype.s WebHandler_Post(Map handler_Map.s(), ContentString.s)
  Prototype.s WebHandler_Universal(Map handler_Map.s(), ContentString.s)
  
  
  ;********************************
  ;*
  ;* Used Librarys
  ;*
  
  XIncludeFile "inc/lweb_http_header.pbi"
  XIncludeFile "inc/lweb_file_cache_header.pbi"
  
  ;********************************
  ;*
  ;* Proceduren Deklarierung
  ;*
  
  Declare server_HTTP(network_server_id.i)
  Declare server_HTTPS(network_server_id.i)
  Declare client(network_client_id.i)

  Declare call_request(RequestString.s, Info.i=#get_handler_procedure)
  
  Declare.s Work_Post_ToJSON_x_www_form_urlencoded(ContentLength.i, MemorSize.i, Memory.i)
  Declare count_client(Type.i, Countchange.i)
  
  XIncludeFile "inc/lweb_IP.pbi"
  XIncludeFile "inc/lweb_http.pbi"
  XIncludeFile "inc/lweb_helper.pbi"  
  XIncludeFile "inc/lweb_file_cache.pbi"  
  
  Procedure set_config(parameter.i=#conf_defaultfile, setting.s="index.html")
    Select parameter
      Case #conf_HTTP_port
        conf_HTTP_port = Val(setting)
      Case #conf_HTTPS_Port
        conf_HTTPS_Port = Val(setting)
      Case #conf_HTTP_binding
        If IsIPStringValid(setting)
          conf_HTTP_binding = setting
        Else
          conf_HTTP_binding = "127.0.0.1"
          ProcedureReturn #False
        EndIf
      Case #conf_HTTPS_Binding
        If IsIPStringValid(setting)
          conf_HTTP_binding = setting
        Else
          conf_HTTP_binding = "127.0.0.1"
          ProcedureReturn #False
        EndIf
      Case #conf_HTTPS_CA
        conf_HTTPS_CA = setting
      Case #conf_HTTPS_Cert
        conf_HTTPS_Cert = setting
      Case #conf_HTTPS_Key
        conf_HTTPS_Key = setting
      Case #conf_HTTPS_Key_Pass
        conf_HTTPS_Key_Pass = setting
      Case #conf_HTTPS_Enable
        conf_HTTPS_enable = Val(setting)
      Case #conf_defaultfile
        conf_defaultfile = setting
      Case #conf_basedir
        conf_basedir = setting
      Case #conf_error400
        conf_error400 = setting     ; Kann "integrated" sein wass die integrierte Standard Fehlermeldung hervorruft.
      Case #conf_max_HTTP_clients
        If MemoryStatus(#PB_System_FreePhysical) > (Val(setting)*(1024*384))
          conf_max_HTTP_clients = Val(setting)
        Else
          conf_max_HTTP_clients = 10
          ProcedureReturn #False
        EndIf
      Case #conf_max_HTTPS_clients
        If MemoryStatus(#PB_System_FreePhysical) > (Val(setting)*(1024*384))
          conf_max_HTTPS_clients = Val(setting)
        Else
          conf_max_HTTPS_clients = 10
          ProcedureReturn #False
        EndIf        
      Case #conf_server_type
        conf_server_type = Val(setting)
      Case #conf_cache_enable
        conf_cache_enable = Val(Setting)
      Default 
        ProcedureReturn #False
    EndSelect
    ProcedureReturn #True
  EndProcedure
  
  Procedure.s get_config(parameter.i=#conf_defaultfile)
    Select parameter
      Case #conf_defaultfile
        ProcedureReturn conf_defaultfile
      Case #conf_basedir
        ProcedureReturn conf_basedir
      Case #conf_error400
        ProcedureReturn conf_error400
      Case #conf_max_HTTP_clients
        ProcedureReturn Str(conf_max_HTTP_clients)
      Case #conf_server_type
        ProcedureReturn Str(conf_server_type)
      Case #conf_HTTP_port
        ProcedureReturn Str(conf_HTTP_port)
      Case #conf_HTTPS_Port
        ProcedureReturn Str(conf_HTTPS_Port)
      Default 
        ProcedureReturn ""
    EndSelect
  EndProcedure
  
  Procedure start_server()
    Global NewMap m_clients.s_clients(conf_max_HTTP_clients+conf_max_HTTPS_clients)
    Protected tlsresponse.i
    
    ;Init HTTP Socket
    server_HTTP_id = lsocket::CreateSocket(conf_HTTP_port, conf_max_clients, lsocket::#SOCK_STREAM, lsocket::#AF_INET, conf_HTTP_binding)
    If conf_HTTPS_enable = 1
      server_HTTPS_id = lsocket::CreateSocket(conf_HTTPS_Port, conf_max_clients, lsocket::#SOCK_STREAM, lsocket::#AF_INET, conf_HTTPS_binding)
      If server_HTTPS_id
        tlsresponse = ltls::InitSimpleTLS(conf_HTTPS_CA, conf_HTTPS_Cert, conf_HTTPS_Key, conf_HTTPS_Key_Pass)
        If tlsresponse > 0
          CreateThread(@server_HTTPS(), server_HTTPS_id)
        Else
          Debug "TLS Fehler:"+Str(tlsresponse)
          ProcedureReturn #False
        EndIf
        
      Else
        ProcedureReturn #False
      EndIf
    EndIf
    If server_HTTP_id 
      CreateThread(@server_HTTP(), server_HTTP_id)
      ProcedureReturn #True
    Else
      ProcedureReturn #False
    EndIf
  
  EndProcedure
  
  Procedure server_HTTPS(network_server_id.i)
    ;**************************
    ;*
    ;* Main thread for HTTPS networksocket management. Create the Client Threads.
    ;* 
    Protected.i client_id
    
    thread_alive = #True

    Debug "HTTPS Server Started."
    Repeat
      client_id = ltls::WaitTLSSocket(network_server_id)
      Debug "New HTTPS Client:"+Str(client_id)
      If client_id > 0
        If count_HTTPS_client < conf_max_HTTPS_clients
          m_clients(Str(client_id))\client_id = client_id
          m_clients(Str(client_id))\client_do_cli = #CLI_DO_WaitDataReceive
          m_clients(Str(client_id))\client_do_srv = #SRV_DO_DataReceive
          m_clients(Str(client_id))\client_type = #client_HTTPS
          ;Thread erstellen
          m_clients(Str(client_id))\client_thread = CreateThread(@client(), client_id)
          count_client(#client_HTTPS, #client_add)
        Else
          Debug "Max HTTPS Clients reached..."
          ltls::CloseTLSSocket(client_id)
        EndIf          
      Else
        Break
      EndIf
    ForEver
    ltls::CloseTLS(network_server_id)
  EndProcedure
  
  Procedure server_HTTP(network_server_id.i)
    ;**************************
    ;*
    ;* Main thread for HTTP networksocket management. Create the Client Threads.
    ;* 
    Protected.i client_id
    
    thread_alive = #True

    Debug "HTTP Server Started."
    Repeat
      client_id = lsocket::WaitSocket(network_server_id)
      Debug "New HTTP Client:"+Str(client_id)
      If client_id > 0
        If count_HTTP_client < conf_max_HTTP_clients
          m_clients(Str(client_id))\client_id = client_id
          m_clients(Str(client_id))\client_do_cli = #CLI_DO_WaitDataReceive
          m_clients(Str(client_id))\client_do_srv = #SRV_DO_DataReceive
          m_clients(Str(client_id))\client_type = #client_HTTP
          ;Thread erstellen
          m_clients(Str(client_id))\client_thread = CreateThread(@client(), client_id)
          count_client(#client_HTTP, #client_add)
        Else
          Debug "Max HTTP Clients reached..."
          lsocket::CloseSocket(client_id)
        EndIf          
      Else
        Break
      EndIf
    ForEver
  EndProcedure

  Procedure client(network_client_id.i)
    Protected thread_cli_id = network_client_id, sent
    Protected MyThreadJSON, ToCall, ToCallType
    Protected thread_temp_cache.s, thread_temp_cache_memory, temp_receivelength, thread_temp_decode_memory
    Protected thread_reasign
    Protected thread_data_size, thread_file_handle
    Protected.s thread_requested, thread_type, thread_date, thread_header, thread_work, JSONStringToMap, Handler_Response, response_status, PostMapString
    Protected thread_buffer, thread_buffer_offset, thread_buffer_length, buffer_sent
    Protected sent_length, sent_buffer_address, sent_total
    Protected.b thread_alive = #True, error_message = #False
    Define NewMap Header.s()
    Define NewMap Response.s()
    Define NewMap Post.s()

    
    Debug "Client Thread Started. ID:" + Str(network_client_id)
    Repeat
      ;Prüfen ob der Thread was zu tun hat.
      ;{ Main Server Triggered Things
      Select m_clients(Str(thread_cli_id))\client_do_srv
        Case #SRV_DO_NOP
          ;Ressourcen freigeben und Threadzeit reduzieren
          Delay(1)
        Case #SRV_DO_DataReceive
          LastElement(m_clients(Str(thread_cli_id))\datenbuffer())
          AddElement(m_clients(Str(thread_cli_id))\datenbuffer())
          m_clients(Str(thread_cli_id))\datenbuffer()\Buffer = AllocateMemory(131072)
          If m_clients(Str(thread_cli_id))\datenbuffer()\Buffer
            m_clients(Str(thread_cli_id))\datenbuffer()\Initialized = #True
          Else
            Debug "Buffer Initialisierung fehlgeschlagen."
            Break
          EndIf
          If  m_clients(Str(thread_cli_id))\client_type = #client_HTTPS
            temp_receivelength = ltls::ReadTLSSocket(thread_cli_id, m_clients(Str(thread_cli_id))\datenbuffer()\Buffer, 65536)  
          Else
            temp_receivelength = lsocket::ReadSocket(thread_cli_id, m_clients(Str(thread_cli_id))\datenbuffer()\Buffer, 65536)
          EndIf
          
          If temp_receivelength = -1
            Debug "Empfangsfehler."
            Break
          ElseIf temp_receivelength = 65536
            m_clients(Str(thread_cli_id))\datenbuffer()\Size = temp_receivelength
            counter_mem_buffers = 2
            Repeat
              AddElement(m_clients(Str(thread_cli_id))\datenbuffer())
              m_clients(Str(thread_cli_id))\datenbuffer()\Buffer = AllocateMemory(131072)
              If m_clients(Str(thread_cli_id))\datenbuffer()\Buffer
                m_clients(Str(thread_cli_id))\datenbuffer()\Initialized = #True
              Else
                Debug "Buffer Initialisierung fehlgeschlagen."
                Break 2
              EndIf
              If  m_clients(Str(thread_cli_id))\client_type = #client_HTTPS
                temp_receivelength = ltls::ReadTLSSocket(thread_cli_id, m_clients(Str(thread_cli_id))\datenbuffer()\Buffer, 65536)
              Else
                temp_receivelength = lsocket::ReadSocket(thread_cli_id, m_clients(Str(thread_cli_id))\datenbuffer()\Buffer, 65536)
              EndIf
              
              m_clients(Str(thread_cli_id))\datenbuffer()\Size = temp_receivelength
              counter_mem_buffers + 1
              If temp_receivelength = -1
                Break 2
              EndIf
            Until temp_receivelength < 65536
          Else
            m_clients(Str(thread_cli_id))\datenbuffer()\Size = temp_receivelength
          EndIf
          ;Alle Daten empfangen.
          Debug "Anzahl Buffer:" + Str(ListSize(m_clients(Str(thread_cli_id))\datenbuffer()))
          m_clients(Str(thread_cli_id))\client_do_srv = #SRV_DO_NOP
          m_clients(Str(thread_cli_id))\client_do_cli = #CLI_DO_DataWorking
          
        Case #SRV_DO_ClientDisconnect
          ;Thread beenden
          Debug "#SRV_DO_ClientDisconnect"
          thread_alive = #False
          ;* Alles IO
        Default 
          ;Ressourcen freigeben und Threadzeit reduzieren
          Delay(1)
          Debug "--------------------------------------------------------- FAILING ???"
      EndSelect
      ;}
      
      ;{ Client Side Triggered Things
      If thread_alive = #True
        Select m_clients(Str(thread_cli_id))\client_do_cli
          Case #CLI_DO_DataWorking
            ;Empfang abgeschlossen
            ;Buffer Bearbeiten
            ;Thread in Bearbeitungsmodus Setzen. 
            ;TODO: Was ist mit zusammenhängenden Datenbuffern grosse Post/Put z.B.
            
            ;{
            Debug "Daten vollständig empfangen. Abarbeiten."
            m_clients(Str(thread_cli_id))\client_do_cli = #CLI_DO_DataWorking
            ;Abarbeiten der Anforderung...
            ResetList(m_clients(Str(thread_cli_id))\datenbuffer())
            While NextElement(m_clients(Str(thread_cli_id))\datenbuffer())
              
              thread_work = PeekS(m_clients(Str(thread_cli_id))\datenbuffer()\Buffer, m_clients(Str(thread_cli_id))\datenbuffer()\Size, #PB_Ascii)
              ;Header to Map
              ;Debug "Datenbuffer:"+ Mid(thread_work,1,256)
              JSONStringToMap = Work_Header_to_JSONMap(thread_work)
              If JSONStringToMap <> #error_string
                MyThreadJSON = ParseJSON(#PB_Any, JSONStringToMap)
                If MyThreadJSON
                  ClearMap(Header())
                  ExtractJSONMap(JSONValue(MyThreadJSON), Header())
                  FreeJSON(MyThreadJSON)
                Else
                  ;WTF ???
                  Break 2 ; Thread abschiessen
                EndIf
              Else
                error_message = #True
              EndIf
              
              
              
              ;Debug "JSONString:"+ JSONStringToMap
              thread_type = ""
              Select Header(#http_head_method)
                Case #http_method_get
                  ;********************************
                  ;*
                  ;* Default GET
                  ;*
                  ;{
                  Debug #http_method_get
                  If Header(#http_head_request) = "/"
                    thread_requested = conf_defaultfile
                  Else
                    thread_requested = Header(#http_head_request)
                  EndIf
                  Debug "Requested:"+thread_requested
                  ToCallType = call_request(thread_requested, #get_handler_prototype)
                  If ToCallType = #handler_proto_universal Or ToCallType = #handler_proto_get
                    ToCall = call_request(thread_requested)
                  Else
                    ToCall = 0
                  EndIf
                  
                  If ToCall > 0 ;Dann ist eine Funktion hinterlegt und zulässig aufgerufen zu werden.
                    ;{ Dynamischer WebHandler
                    
                    Select ToCallType
                      Case #handler_proto_universal
                        Define.WebHandler_Universal ToCallProcedure = ToCall
                        Handler_Response = ToCallProcedure(Header(), "")
                        
                      Case #handler_proto_get
                        Define.WebHandler_Get ToCallProcedure = ToCall
                        Handler_Response = ToCallProcedure(Header())
                        
                    EndSelect
                    Debug "Main Client Response :"+Handler_Response
                    MyThreadJSON = ParseJSON(#PB_Any, Handler_Response)
                    If MyThreadJSON
                      ClearMap(Response())
                      ExtractJSONMap(JSONValue(MyThreadJSON), Response())
                      FreeJSON(MyThreadJSON)
                    Else
                      ;WTF ???
                      Debug "Fehler Absturz"
                      Break 2 ; Thread abschiessen
                    EndIf
                    Debug "Response Content:"+Response(#cha_R_ResponseContentType)
                    Select Response(#cha_R_ResponseContentType)
                      Case #response_Memory
                        thread_data_size = Val(Response(#cha_R_MemorySize))
                        thread_temp_cache_memory = Val(Response(#cha_R_MemoryAdress))
                        thread_type = Response(#cha_R_ResponseType)
                      Case #response_string
                        thread_temp_decode_memory = AllocateMemory(StringByteLength(Response(#cha_R_StringBase64)))
                        thread_data_size = Base64Decoder(Response(#cha_R_StringBase64), thread_temp_decode_memory, StringByteLength(Response(#cha_R_StringBase64)))
                        thread_temp_cache_memory = AllocateMemory(thread_data_size)
                        CopyMemory(thread_temp_decode_memory, thread_temp_cache_memory, thread_data_size)
                        FreeMemory(thread_temp_decode_memory)
                        thread_type = Response(#cha_R_ResponseType)
                      Default
                        ;Solte ja nicht passieren.
                    EndSelect
                    Debug "Content Finished"
                    ;}
                    
                  ElseIf conf_cache_enable = 1
                    ;{ Cached File Handling BUGGY!!!!!!!
                    thread_temp_cache_memory = AllocateMemory(1024)
                    thread_temp_cache = GetFileFromCache(thread_requested, thread_temp_cache_memory) 
                    If thread_temp_cache = #error_string
                      thread_file_handle = ReadFile(#PB_Any, conf_basedir + thread_requested,#PB_File_SharedRead)
                    
                      If thread_file_handle
                        ;Alles Ok 
                      Else
                        thread_file_handle = ReadFile(#PB_Any, conf_basedir + conf_defaultfile,#PB_File_SharedRead)
                        Debug "FileDir:" + conf_basedir + conf_defaultfile
                        If Not thread_file_handle
                          thread_file_handle = ReadFile(#PB_Any, "error.html")
                        EndIf
                        
                      EndIf
                      thread_data_size = Lof(thread_file_handle)
                      thread_temp_cache_memory = ReAllocateMemory(thread_temp_cache_memory, thread_data_size)
                      ReadData(thread_file_handle, thread_temp_cache_memory, thread_data_size)
                      CloseFile(thread_file_handle)
                      AddFileToCache(thread_temp_cache_memory, thread_requested, thread_data_size)
                      
                    Else
                      thread_data_size = Val(StringField(thread_temp_cache, 1, ":"))
                      thread_temp_cache_memory = Val(StringField(thread_temp_cache, 2, ":"))
                    EndIf
                    ;}
                    
                  Else
                    ;{ Uncached file sems to be stable tested up to 200 clients and 100 requests. 
                    thread_file_handle = ReadFile(#PB_Any, conf_basedir + thread_requested,#PB_File_SharedRead)
                    If Not thread_file_handle
                        thread_file_handle = ReadFile(#PB_Any, conf_basedir + conf_defaultfile,#PB_File_SharedRead)
                        Debug "FileDir:" + conf_basedir + conf_defaultfile
                        If Not thread_file_handle
                          thread_file_handle = ReadFile(#PB_Any, "error.html")
                        EndIf
                    EndIf
                    
                    thread_data_size = Lof(thread_file_handle)
                    thread_temp_cache_memory = AllocateMemory(thread_data_size)
                    ReadData(thread_file_handle, thread_temp_cache_memory, thread_data_size)
                    CloseFile(thread_file_handle)
                    ;} 
                    
                  EndIf
                  ;}
                Case #http_method_post
                  
                  ;********************************
                  ;*
                  ;* POST 
                  ;*
                  Debug #http_method_post
                  ;PrintN("POST")
                  If LCase(Header(#http_head_content_type)) = #http_content_type_application_x_www_form_urlencoded
                    PostMapString = Work_Post_ToJSON_x_www_form_urlencoded(Val(Header(#http_head_content_length)), m_clients(Str(thread_cli_id))\datenbuffer()\Size, m_clients(Str(thread_cli_id))\datenbuffer()\Buffer)
                    MyThreadJSON = ParseJSON(#PB_Any, PostMapString)
                    If MyThreadJSON
                      ClearMap(Post())
                      ExtractJSONMap(JSONValue(MyThreadJSON), Post())
                      FreeJSON(MyThreadJSON)
                    Else
                      ;Should not be possible.
                      Debug "Error in thread, JSON Convert didn't Work"
                      Break 2 ; Kill Thread
                    EndIf
                  EndIf
                  
                  If Header(#http_head_request) = "/"
                    thread_requested = conf_defaultfile
                  Else
                    thread_requested = Header(#http_head_request)
                  EndIf
                  Debug "Requested:"+thread_requested
                  ToCallType = call_request(thread_requested, #get_handler_prototype)
                  If ToCallType = #handler_proto_universal Or ToCallType = #handler_proto_post
                    ToCall = call_request(thread_requested)
                  Else
                    ToCall = 0
                  EndIf
                  
                  If ToCall > 0 ;A dynamic webhandler is available, call.
                    ;{ Dynamic webhandler.
                    
                    Select ToCallType
                      Case #handler_proto_universal
                        Define.WebHandler_Universal ToCallProcedure = ToCall
                        Handler_Response = ToCallProcedure(Header(), PostMapString )
                        
                      Case #handler_proto_post
                        Define.WebHandler_Post ToCallProcedure = ToCall
                        Handler_Response = ToCallProcedure(Header(), PostMapString)
                        
                    EndSelect
                    Debug "Main Client Response :"+Handler_Response
                    MyThreadJSON = ParseJSON(#PB_Any, Handler_Response)
                    If MyThreadJSON
                      ClearMap(Response())
                      ExtractJSONMap(JSONValue(MyThreadJSON), Response())
                      FreeJSON(MyThreadJSON)
                    Else
                      ;WTF ???
                      Debug "Fehler Absturz"
                      Break 2 ; Thread abschiessen
                    EndIf
                    Debug "Response Content:"+Response(#cha_R_ResponseContentType)
                    Select Response(#cha_R_ResponseContentType)
                      Case #response_Memory
                        thread_data_size = Val(Response(#cha_R_MemorySize))
                        thread_temp_cache_memory = Val(Response(#cha_R_MemoryAdress))
                        thread_type = Response(#cha_R_ResponseType)
                      Case #response_string
                        thread_temp_decode_memory = AllocateMemory(StringByteLength(Response(#cha_R_StringBase64)))
                        thread_data_size = Base64Decoder(Response(#cha_R_StringBase64), thread_temp_decode_memory, StringByteLength(Response(#cha_R_StringBase64)))
                        thread_temp_cache_memory = AllocateMemory(thread_data_size)
                        CopyMemory(thread_temp_decode_memory, thread_temp_cache_memory, thread_data_size)
                        FreeMemory(thread_temp_decode_memory)
                        thread_type = Response(#cha_R_ResponseType)
                      Default
                        ;Solte ja nicht passieren.
                    EndSelect
                    Debug "Content Finished"
                    ;}
                    
                  ElseIf conf_cache_enable = 1
                    ;{ Cached File Handling BUGGY!!!!!!!
                    thread_temp_cache_memory = AllocateMemory(1024)
                    thread_temp_cache = GetFileFromCache(thread_requested, thread_temp_cache_memory) 
                    If thread_temp_cache = #error_string
                      thread_file_handle = ReadFile(#PB_Any, conf_basedir + thread_requested,#PB_File_SharedRead)
                    
                      If thread_file_handle
                        ;Alles Ok 
                      Else
                        thread_file_handle = ReadFile(#PB_Any, conf_basedir + conf_defaultfile,#PB_File_SharedRead)
                        Debug "FileDir:" + conf_basedir + conf_defaultfile
                        If Not thread_file_handle
                          thread_file_handle = ReadFile(#PB_Any, "error.html")
                        EndIf
                        
                      EndIf
                      thread_data_size = Lof(thread_file_handle)
                      thread_temp_cache_memory = ReAllocateMemory(thread_temp_cache_memory, thread_data_size)
                      ReadData(thread_file_handle, thread_temp_cache_memory, thread_data_size)
                      CloseFile(thread_file_handle)
                      AddFileToCache(thread_temp_cache_memory, thread_requested, thread_data_size)
                      
                    Else
                      thread_data_size = Val(StringField(thread_temp_cache, 1, ":"))
                      thread_temp_cache_memory = Val(StringField(thread_temp_cache, 2, ":"))
                    EndIf
                    ;}
                    
                  Else
                    ;{ Uncached file sems to be stable tested up to 200 clients and 100 requests.
                    thread_file_handle = ReadFile(#PB_Any, conf_basedir + thread_requested,#PB_File_SharedRead)
                    If Not thread_file_handle
                        thread_file_handle = ReadFile(#PB_Any, conf_basedir + conf_defaultfile,#PB_File_SharedRead)
                        Debug "FileDir:" + conf_basedir + conf_defaultfile
                        If Not thread_file_handle
                          thread_file_handle = ReadFile(#PB_Any, "error.html")
                        EndIf
                    EndIf
                    
                    thread_data_size = Lof(thread_file_handle)
                    thread_temp_cache_memory = AllocateMemory(thread_data_size)
                    ReadData(thread_file_handle, thread_temp_cache_memory, thread_data_size)
                    CloseFile(thread_file_handle)
                    ;} 
                    
                  EndIf
                  If Header(#http_head_request) = "/"
                    thread_requested = conf_defaultfile
                  Else
                    thread_requested = Header(#http_head_request)
                  EndIf
                     
                  thread_file_handle = ReadFile(#PB_Any, conf_basedir + thread_requested,#PB_File_SharedRead)
                  
                  If Not thread_file_handle
                    thread_file_handle = ReadFile(#PB_Any, conf_basedir + conf_defaultfile,#PB_File_SharedRead)
                    Debug "FileDir:" + conf_basedir + thread_requested
                    If Not thread_file_handle
                      thread_file_handle = ReadFile(#PB_Any, "error.html")
                    EndIf
                    
                  EndIf

                  
                Default
                  ;************************************
                  ;*
                  ;* Not a supported Command in HTTP Header Cleanup.
                  ;*
                  ;* Read Buffer to Memory and Clear Buffer to Zero until the complete Networkbuffer from this Client is Cleaned.
                  ;* 
              EndSelect
              If thread_data_size 
                If thread_type ="" 
                  thread_type = mimetype(GetExtensionPart(thread_requested))
                EndIf
                
                thread_date = http_day(DayOfWeek(Date())) + 
                              Str(Day(Date())) +
                              http_month(Month(Date())) +                            
                              Str(Year(Date())) +
                              " " + 
                              FormatDate("%hh:%ii:%ss GMT+1", Date())
                
                ClearMap(Header())
                If Response(#cha_R_http_head_status) <> ""
                  Header(#http_head_status) = Response(#cha_R_http_head_status)
                ElseIf response_status <> ""
                  Header(#http_head_status) = response_status
                Else
                  Header(#http_head_status) = "200 OK"
                EndIf
                
                Header(#http_head_content_length) = Str(thread_data_size)
                Header(#http_head_content_type) = thread_type
                Header(#http_head_connection) = "Keep-Alive"
                Header(#http_head_keep_alive) = "timeout=15, max=1000"
                thread_header = http_header_generate(Header())
                thread_buffer = AllocateMemory(thread_data_size+StringByteLength(thread_header)+12)
                thread_buffer_offset = thread_buffer
                thread_buffer_length = PokeS(thread_buffer_offset, thread_header,-1, #PB_UTF8|#PB_String_NoZero) : thread_buffer_offset + thread_buffer_length
                Debug "Header Finished"
              EndIf
              If thread_temp_cache_memory <> 0 And thread_buffer_offset <> 0 And thread_data_size <> 0
                CopyMemory(thread_temp_cache_memory, thread_buffer_offset, thread_data_size)
                FreeMemory(thread_temp_cache_memory)
              Else
                Debug "File Buffer Troubles."
              EndIf
              
              ;   EndIf
                
              Debug "HTTP File Buffer Cleaned."
              ;Löschen des eingang Speichers.
              If m_clients(Str(thread_cli_id))\datenbuffer()\Buffer > 0
                FreeMemory(m_clients(Str(thread_cli_id))\datenbuffer()\Buffer)
              EndIf
              DeleteElement(m_clients(Str(thread_cli_id))\datenbuffer())

              ;Send the data in memory to client.
              sent_total = thread_data_size+(thread_buffer_offset-thread_buffer)
              If  m_clients(Str(thread_cli_id))\client_type = #client_HTTPS
                sent_length = sent_total 
                sent_buffer_address = thread_buffer
                sent_total = 0
                Repeat 
                  sent = ltls::WriteTLSSocket(thread_cli_id, sent_buffer_address , sent_length)
                  If sent <> -1
                    Debug "HTTPS Sent:"+Str(sent)+" bytes"
                    sent_length - sent
                    sent_buffer_address + sent
                    sent_total + sent
                  Else
                    Debug "HTTPS Sent error:"+ltls::ErrorTLSCli(thread_cli_id)
                  EndIf
                  
                Until sent_length <= 0 
                sent = sent_total

              Else
                sent_length = sent_total 
                sent_buffer_address = thread_buffer
                sent_total = 0
                Repeat 
                  sent = lsocket::WriteSocket(thread_cli_id, thread_buffer , sent_length) 
                  If sent <> -1
                    Debug "HTTP Sent:"+Str(sent)+" bytes"
                    sent_length - sent
                    sent_buffer_address + sent
                    sent_total + sent
                  Else
                    Debug "HTTP Sent error:"+Str(sent)
                  EndIf
                  
                Until sent_length <= 0 
                sent = sent_total                
              EndIf
              
              If sent = thread_data_size+(thread_buffer_offset-thread_buffer)
                ;Ok
                ;Debug "Gesendet:" + PeekS(thread_buffer,thread_buffer_length, #PB_Ascii)
                If thread_buffer > 0
                  FreeMemory(thread_buffer)
                EndIf
                
                m_clients(Str(thread_cli_id))\client_do_cli = #CLI_DO_WaitDataReceive
                m_clients(Str(thread_cli_id))\client_do_srv = #SRV_DO_DataReceive             
              Else
                ;Fehler beim Senden ... Thread beenden.
                Debug "Fehler:" + Str(Sent)
                thread_alive = #False
            
              EndIf
              ;
            Wend  
            ;}
            
            
            m_clients(Str(thread_cli_id))\client_do_cli = #CLI_DO_WaitDataReceive
            
        EndSelect
      EndIf
      ;}
      
    Until thread_alive = #False
    ResetList(m_clients(Str(thread_cli_id))\datenbuffer())
    While NextElement(m_clients(Str(thread_cli_id))\datenbuffer())
      If m_clients(Str(thread_cli_id))\datenbuffer()\Initialized
        FreeMemory(m_clients(Str(thread_cli_id))\datenbuffer()\Buffer)
        DeleteElement(m_clients(Str(thread_cli_id))\datenbuffer())
      Else
        DeleteElement(m_clients(Str(thread_cli_id))\datenbuffer())
      EndIf
    Wend
    If m_clients(Str(thread_cli_id))\client_type = #client_HTTPS
      ltls::CloseTLSSocket(thread_cli_id)
      count_client(#client_HTTPS, #client_remove)
    Else
      lsocket::CloseSocket(thread_cli_id)
      count_client(#client_HTTP, #client_remove)
    EndIf
    
    DeleteMapElement(m_clients(), Str(thread_cli_id))
    Debug "Thread Beendet."
    
  EndProcedure
  
  Procedure call_request(RequestString.s, Info.i = #get_handler_procedure)
    Protected CurrPos, Count, Counter, PartString.s
    If m_request(GetExtensionPart(RequestString))\routetype = #handler_type
      Select Info
        Case #get_handler_procedure
          ProcedureReturn m_request(GetExtensionPart(RequestString))\call
        Case #get_handler_prototype
          ProcedureReturn m_request(GetExtensionPart(RequestString))\type
        Default
          ProcedureReturn 0
      EndSelect
    EndIf
    
    If m_request(RequestString)\routetype = #handler_only Or m_request(RequestString)\routetype = #handler_sub
      Select Info
        Case #get_handler_procedure
          ProcedureReturn m_request(RequestString)\call
        Case #get_handler_prototype
          ProcedureReturn m_request(RequestString)\type
        Default
          ProcedureReturn 0
      EndSelect
    ElseIf m_request(GetExtensionPart(RequestString))\routetype = #handler_sub
      Select Info
        Case #get_handler_procedure
          ProcedureReturn m_request(GetExtensionPart(RequestString))\call
        Case #get_handler_prototype
          ProcedureReturn m_request(GetExtensionPart(RequestString))\type
        Default
          ProcedureReturn 0
      EndSelect
    EndIf
    
    ;Check auf Sub
    Counter = CountString(RequestString, "/")
    Count = 0
    CurrPos = 0
    While Count < Counter
      CurrPos = FindString(RequestString, "/", 2 + CurrPos )
      PartString = Mid(RequestString, 1, CurrPos)
      If m_request(PartString)\routetype = #handler_sub
        Select Info
          Case #get_handler_procedure
            ProcedureReturn m_request(PartString)\call
          Case #get_handler_prototype
            ProcedureReturn m_request(PartString)\type
          Default
            ProcedureReturn 0
        EndSelect
      EndIf
      Count + 1
    Wend
    
    ProcedureReturn 0  
  EndProcedure
  
  Procedure.s Work_Post_ToJSON_x_www_form_urlencoded(ContentLength.i, MemorSize.i, Memory.i)
    Define.s JSONString, Working, ContentString
    Define CountParams, Count, JSON
    Protected NewMap Posts.s()
    
    If ContentLength > 0
      OffsetMemory = Memory + (MemorSize - ContentLength)
      ContentString = PeekS(OffsetMemory, ContentLength, #PB_UTF8)
      ;Zerlegen &
      ;Mapname = Content
      If Len(ContentString) > 0 
        CountParams = CountString(ContentString,"&")
        If CountParams = 0
          If CountString(ContentString, "=")
            Posts(StringField(ContentString, 1, "=")) = StringField(ContentString,2, "=")
          Else
            ProcedureReturn ""
          EndIf
        ElseIf CountParams > 0
          Count = 0
          Repeat 
            Posts(StringField(StringField(ContentString, Count + 1, "&"),1,"=")) = StringField(StringField(ContentString, Count + 1, "&"),2,"=")
            ;Debug "Worked Count:"+Str(Count)+" of: "+Str(CountParams)+":"+StringField(StringField(ContentString, Count + 1, "&"),1,"=")+" = "+StringField(StringField(ContentString, Count + 1, "&"),2,"=")
            Count + 1  
          Until Count > CountParams
        Else
          ProcedureReturn ""
        EndIf
        JSON = CreateJSON(#PB_Any)
        If JSON 
          InsertJSONMap(JSONValue(JSON), Posts())
          JSONString = ComposeJSON(JSON)
          FreeMap(Posts())
          FreeJSON(JSON)
          ProcedureReturn JSONString.s
        Else
          ProcedureReturn #error_string
        EndIf  
      Else
        ProcedureReturn ""
      EndIf
    Else
      ProcedureReturn ""
    EndIf
    
  EndProcedure
  
  Procedure.s register_client_handler(Route.s, Callback.i, AppPrototype.i = #handler_proto_get, RouteType.i = #handler_sub)
    m_request(Route)\type = AppPrototype
    m_request(Route)\call = Callback
    m_request(Route)\routetype = RouteType
    Debug "Handler Registriert:"+Route
  EndProcedure
  
  Procedure count_client(Type.i, Countchange.i)
    Select Type
      Case #client_HTTP
        LockMutex(count_HTTP_mutex)
        count_HTTP_client + Countchange
        UnlockMutex(count_HTTP_mutex)
      Case #client_HTTPS
        LockMutex(count_HTTPS_mutex)
        count_HTTPS_client + Countchange
        UnlockMutex(count_HTTPS_mutex)
    EndSelect
  EndProcedure
  
EndModule