TROBaseHTTPServer
Overview
Base class for TROIpHTTPServer, TROIndyHTTPServer and TROWebBrokerServer server channels. This class provides properties and events common for all HTTP server channels.
Location
- Unit: uROBaseHTTPServer.pas
- Ancestry: TComponent | TROComponent | TROBaseConnection | TROServer | TROCustomHTTPServer | TROBaseHTTPServer
constructor Create override
Standard component constructor
constructor Create(aOwner: TComponent)
Parameters:
- aOwner: Owner
AccessControlMaxAge (declared in TROCustomHTTPServer)
property AccessControlMaxAge: Integer read write
Active (declared in TROServer)
Toggles whether the server ready to receive requests from clients. Depending on the server type, changing this property might open/close a network socket or otherwise toggle whether the server will process incoming requests.
property Active: Boolean read write
Assign override
Copies the contents of another, similar object.
procedure Assign(Source: TPersistent)
Parameters:
- Source: Instance whose properties will be copied
CheckProperties virtual (declared in TROServer)
Validates the server properties.
procedure CheckProperties
DecryptStream (TStream, TStream) protected overload (declared in TROBaseConnection)
Decrypt stream
procedure DecryptStream(const Source: TStream; const Dest: TStream)
Parameters:
- Source: Source
- Dest: Destination
DecryptStream (TStream) protected overload (declared in TROBaseConnection)
Decrypt stream
procedure DecryptStream(const Stream: TStream)
Parameters:
- Stream: Stream
DefaultResponse protected (declared in TROServer)
Holds the message that will be sent back to the client if it improperly "welcomes" the server.
property DefaultResponse: string read write
Dispatchers (declared in TROServer)
Specifies how incoming requests will be processed and dispatched. Depending on the server type, one or multiple dispatchers can be configured to receive messages from the client. Each dispatcher consists of a Message and an optional Name. Also, each dispatcher can be individually enabled or disabled. Each server must have at least one dispatcher configured, in order to be able to process messages.
=Essential Sub-Properties=
- Message specifies the message format to be used for this dispatcher.
- Name specifies the name, or possibly the URL for the dispatcher.
In HTTP based servers (such as the TROIndyHTTPServer, the Name will be appended as folder to the server URL allowing the server to make multiple dispatchers available at different URLs.
property Dispatchers: TROMessageDispatchers read write
DispatchMessage (IROTransport, TStream, TStream): Boolean protected overload (declared in TROServer)
function DispatchMessage(const aTransport: IROTransport; aRequeststream: TStream; aResponsestream: TStream): Boolean
Parameters:
- aTransport:
- aRequeststream:
- aResponsestream:
DispatchMessage (IROTransport, TStream, TStream, TROResponseOptions): Boolean protected overload (declared in TROServer)
function DispatchMessage(const aTransport: IROTransport; aRequestStream: TStream; aResponseStream: TStream; out oResponseOptions: TROResponseOptions): Boolean
Parameters:
- aTransport:
- aRequestStream:
- aResponseStream:
- oResponseOptions:
DoBeforeDecryptEvent protected virtual (declared in TROBaseConnection) obsolete
procedure DoBeforeDecryptEvent(aEncryptedStream: TStream)
Parameters:
- aEncryptedStream: Stream
DoCORSSupport protected (declared in TROCustomHTTPServer)
Processes CORS requests.
function DoCORSSupport(const aRequest: IUnknown; const aResponse: IROHTTPResponse): Boolean
Parameters:
- aRequest: Request
- aResponse: Response
DoDecodeStream protected
Performs GZIP decoding
procedure DoDecodeStream(const aSource: TStream; out aDest: TStream)
Parameters:
- aSource: Source
- aDest: Destination
DoEncodeStream protected
Performs GZIP encoding
procedure DoEncodeStream(const aSource: TStream)
Parameters:
- aSource: Source
DoGetCustomClientAccessPolicy protected (declared in TROCustomHTTPServer)
procedure DoGetCustomClientAccessPolicy(var aPolicyContent: string)
Parameters:
- aPolicyContent:
DoProcessDocs protected (declared in TROCustomHTTPServer)
Generates documentation if correspondent request is detected
function DoProcessDocs(const aRequest: IUnknown; const aResponse: IROHTTPResponse; const aResponseStream: TStream; const aRoot: string; const aSub: string): Boolean
Parameters:
- aRequest: Request
- aResponse: Response
- aResponseStream: Response stream
- aRoot: Root (part before ?)
- aSub: Query string (part after ?)
Encryption (declared in TROBaseConnection) obsolete
This is DES based enscryption, it is obsolete because works only for Delphi. Use message envelope AES Encryption Envelope instead.
property Encryption: TROEncryption read write
EncryptStream (TStream, TStream) protected overload (declared in TROBaseConnection)
Encrypt stream
procedure EncryptStream(const Source: TStream; const Dest: TStream)
Parameters:
- Source: Source
- Dest: Destination
EncryptStream (TStream) protected overload (declared in TROBaseConnection)
Encrypt stream
procedure EncryptStream(const Stream: TStream)
Parameters:
- Stream: Stream
ExtendedDispatchers (declared in TROCustomHTTPServer)
List of extended dispatchers attached to the server channel instance.
Extended dispatchers are dispatchers that perform special tasks other than calling server services. A good example of an extended dispatcher is TROJavaScriptHttpDispatcher dispatcher.
property ExtendedDispatchers: TROExtendedHTTPDispatcherList read
GetCACertificate protected virtual (declared in TROCustomHTTPServer)
Returns CA certificate
function GetCACertificate: string
GetDispatchersClass protected override (declared in TROCustomHTTPServer)
Returns TROMessageDispatchers class
function GetDispatchersClass: TROMessageDispatchersClass
GetRODLReader protected (declared in TROServer)
function GetRODLReader: TROCustomRODLReader
GetSecure protected virtual (declared in TROServer)
Returns SSL state
function GetSecure: Boolean
GetServerType protected override
Returns rstHTTP. This property is used by the ZeroConf infrastructure.
function GetServerType: TROServerType
GetServiceMetaData protected (declared in TROServer)
function GetServiceMetaData(aServiceName: string; aOptions: string; out aContentType: string): TStream
Parameters:
- aServiceName:
- aOptions:
- aContentType:
GetTransportObject protected (declared in TROServer)
Returns itself.
function GetTransportObject: TObject
HandleExtendedDispatchers protected (declared in TROCustomHTTPServer)
Processes Extended Dispatcher requests.
function HandleExtendedDispatchers(const aRoot: string; const aTransport: IROHTTPTransport; const aRequest: IUnknown; const aResponse: IROHTTPResponse; const aRequestData: TStream; const aResponseData: TStream): Boolean
Parameters:
- aRoot: Path Info
- aTransport: Transport channel
- aRequest: Request
- aResponse: Response
- aRequestData: Request stream
- aResponseData: Response stream
HTTPAuthenticationRealm
Realm for http authentication.
property HTTPAuthenticationRealm: string read write
IsEncryptionUsed protected (declared in TROBaseConnection)
Checks if encryption was used
function IsEncryptionUsed: Boolean
IsServiceAllowed protected (declared in TROServer)
function IsServiceAllowed(Value: string): Boolean
Parameters:
- Value:
IsStreamEncrypted protected (declared in TROBaseConnection)
Checks state of stream
function IsStreamEncrypted(Source: TStream): Boolean
Parameters:
- Source: Stream
MinSizeForGzipEncoding (declared in TROCustomHTTPServer)
The minimal size when GZIP encoding will be used (default is 4096 bytes)
property MinSizeForGzipEncoding: Integer read write
Notification protected override (declared in TROServer)
Forwards notification messages to all owned components.
procedure Notification(AComponent: TComponent; Operation: TOperation)
Parameters:
- AComponent: component
- Operation: operation
OnAfterEncrypt (declared in TROBaseConnection)
Fired after stream was encrypted
property OnAfterEncrypt: TROBaseConnectionOperation read write
delegate: procedure OnAfterEncrypt(Sender: TROBaseConnection; aEncryptedStream: TStream)
OnAfterServerActivate (declared in TROServer)
Fires after the server has been activated.
property OnAfterServerActivate: TNotifyEvent read write
OnAfterServerDeactivate (declared in TROServer)
Fires after the server has been deactivated. You can use this event handler to perform any cleanup you might need after the server has stopped processing new requests.
property OnAfterServerDeactivate: TNotifyEvent read write
OnBeforeDecrypt (declared in TROBaseConnection)
Fired before stream will be decrypted
property OnBeforeDecrypt: TROBaseConnectionOperation read write
delegate: procedure OnBeforeDecrypt(Sender: TROBaseConnection; aEncryptedStream: TStream)
OnBeforeServerActivate (declared in TROServer)
Fires just before the server is activated. You can use this event handler to perform any initialization you might need before the server starts processing new requests.
property OnBeforeServerActivate: TNotifyEvent read write
OnBeforeServerDeactivate (declared in TROServer)
Fires just before the server is deactivated. You can use this event handler to perform any cleanup you might need before the server stops processing new requests.
property OnBeforeServerDeactivate: TNotifyEvent read write
OnCustomResponseEvent
Allows to handle unknown
requests, i.e. that aren't recognised by ProcessRequest
property OnCustomResponseEvent: TROHTTPGetCustomResponseEvent read write
delegate: procedure OnCustomResponseEvent(const aTransport: IROHTTPTransport; const aRequestStream: TStream; const aResponseStream: TStream; const aResponse: IROHTTPResponse; var aHandled: Boolean)
OnGetCustomClientAccessPolicy (declared in TROCustomHTTPServer)
This event is fired when SendClientAccessPolicyXml is set to captCustom. Allows more precise management of client access policies.
The handler of this event generates a valid ClientAccessPolicy.xml and puts it to the aPolicyContent parameter.
property OnGetCustomClientAccessPolicy: TROCustomClientAccessPolicyMethod read write
delegate: procedure OnGetCustomClientAccessPolicy(aSender: TObject; var aPolicyContent: ROUTF8String)
OnGetRODLReader (declared in TROCustomHTTPServer)
property OnGetRODLReader: TROGetRODLReader read write
OnHTTPAuthentication
Fires if RequireHTTPAuthentication is set and correspondent fields are present in client request.
property OnHTTPAuthentication: TROHTTPAuthentication read write
delegate: procedure OnHTTPAuthentication(const aRequest: IROHTTPRequest; const aUserName: string; const aPassword: string; var aHandled: Boolean)
OnReadFromStream (declared in TROServer)
Fires after a stream with a request message has been received from the client. The event handler can inspect and possibly modify the stream, before it continues to be processed by the higher levels of the Remoting SDK framework.
property OnReadFromStream: TStreamOperation read write
delegate: procedure OnReadFromStream(aStream: TStream)
OnSendCrossOriginHeader (declared in TROCustomHTTPServer)
This event is fired when server channel receives OPTIONS request. This event allows more precise management of cross-origin client access policies.
property OnSendCrossOriginHeader: TROHTTPSendCrossOriginHeader read write
delegate: procedure OnSendCrossOriginHeader(var AllowedOrigin: string)
OnSendCrossOriginHeaderEx (declared in TROCustomHTTPServer)
property OnSendCrossOriginHeaderEx: TROHTTPSendCrossOriginHeaderEx read write
delegate: function OnSendCrossOriginHeaderEx(var Cors: TROCorsStruct): Boolean
OnWriteToStream (declared in TROServer)
Fires just before a stream with a response message is sent back to the client. The event handler can inspect and possibly modify the stream, before it continues to be sent off to the client.
property OnWriteToStream: TStreamOperation read write
delegate: procedure OnWriteToStream(aStream: TStream)
ParsePathInfo protected (declared in TROCustomHTTPServer)
Parses PathInfo and splits it to root and query
procedure ParsePathInfo(const aPathInfo: string; var aRoot: string; var aSub: string)
Parameters:
- aPathInfo: PathInfo
- aRoot: Root (part after ?)
- aSub: Query string (part after ?)
Port protected (declared in TROServer)
The network socket where the server will be listening
property Port: Integer read write
ProcessRequest protected virtual
This is basically the core of the entire server channel. This method processes incoming HTTP requests and performs requested actions (service method call, RODL request etc).
procedure ProcessRequest(const aTransport: IROHTTPTransportEx; const aRequestStream: TStream; out aResponseStream: TStream; const aResponse: IROHTTPResponse)
Parameters:
- aTransport: Transport instance
- aRequestStream: Request stream
- aResponseStream: Response stream
- aResponse: Response
Register protected (declared in TROCustomHTTPServer)
Register Extended HTTP Dispatcher
procedure Register(aDispatcher: IROHTTPDispatcher)
Parameters:
- aDispatcher: Extended HTTP Dispatcher
RequireHTTPAuthentication
Allows to use HTTP Authentication.
property RequireHTTPAuthentication: Boolean read write
ROFreeNotification (declared in TROComponent)
Forwards notification messages to all owned components.
procedure ROFreeNotification(aComponent: TComponent)
Parameters:
- aComponent: component
RORemoveFreeNotification (declared in TROComponent)
Forwards notification messages to all owned components.
procedure RORemoveFreeNotification(aComponent: TComponent)
Parameters:
- aComponent: component
SendClientAccessPolicyXml (declared in TROCustomHTTPServer)
Gets or sets the intended server behavior when the ClientAccessPolicy.xml file (security policy file) is requested.
Possible values are:
- captAllowNone - All requests are denied.
- captAllowAll - All requests are allowed.
- captCustom - Custom request policy is applied. Custom security policy file is generated via the OnGetCustomClientAccessPolicy event handler.
property SendClientAccessPolicyXml: TROClientAccessPolicyType read write
SendCrossOriginHeader (declared in TROCustomHTTPServer)
Gets or sets a flag indicating whether the server should handle the incoming CORS requests or ignore them.
property SendCrossOriginHeader: Boolean read write
SendExceptionsAs500
If set to true, messages about exceptions occurred on the server will be sent with a HTTP Error 500 header set (standard HTTP header for internal server errors), or a standard "200" message code (false).
Some proxy servers might perform special handling on 500 error messages that will prevent exception messages sent back as 500 to be recognized properly. If you are seeing this problem, try setting this property to false. If not, it is recommended to keep the default value.
property SendExceptionsAs500: Boolean read write
SendRemoveNotification protected (declared in TROComponent)
Forwards notification messages to all owned components.
procedure SendRemoveNotification(aComponent: TComponent)
Parameters:
- aComponent: component
ServeInfoPage (declared in TROCustomHTTPServer)
Specifies whether the HTTP server will serve up a page with human-readable information about the server when being accessed from a web browser. This information page will contain details about the registered dispatchers and the documentation for the services.
property ServeInfoPage: Boolean read write
ServeRodl (declared in TROServer)
Specifies whether the server will make the contained RODL file available to clients (true, default) or not. Keep this property set to true if clients need to access the RODL (or WSDL), for example so that third parties (including Service Tester) can import services. Set it to false if you do not want to provide this information, for example for security reasons.
property ServeRodl: Boolean read write
ServiceGroup (declared in TROServer)
Allows to get/set Service Groups
property ServiceGroup: string read write
TriggerReadFromStream protected (declared in TROServer)
Fires the OnReadFromStream event
procedure TriggerReadFromStream(aSource: TStream)
Parameters:
- aSource: stream
TriggerWriteToStream protected (declared in TROServer)
Fires the OnReadFromStream event
procedure TriggerWriteToStream(aDest: TStream)
Parameters:
- aDest: stream
Unregister protected (declared in TROCustomHTTPServer)
Unregister Extended HTTP Dispatcher
procedure Unregister(aDispatcher: IROHTTPDispatcher)
Parameters:
- aDispatcher: Extended HTTP Dispatcher
AccessControlMaxAge (declared in TROCustomHTTPServer)
property AccessControlMaxAge: Integer read write
Active (declared in TROServer)
Toggles whether the server ready to receive requests from clients. Depending on the server type, changing this property might open/close a network socket or otherwise toggle whether the server will process incoming requests.
property Active: Boolean read write
DefaultResponse protected (declared in TROServer)
Holds the message that will be sent back to the client if it improperly "welcomes" the server.
property DefaultResponse: string read write
Dispatchers (declared in TROServer)
Specifies how incoming requests will be processed and dispatched. Depending on the server type, one or multiple dispatchers can be configured to receive messages from the client. Each dispatcher consists of a Message and an optional Name. Also, each dispatcher can be individually enabled or disabled. Each server must have at least one dispatcher configured, in order to be able to process messages.
=Essential Sub-Properties=
- Message specifies the message format to be used for this dispatcher.
- Name specifies the name, or possibly the URL for the dispatcher.
In HTTP based servers (such as the TROIndyHTTPServer, the Name will be appended as folder to the server URL allowing the server to make multiple dispatchers available at different URLs.
property Dispatchers: TROMessageDispatchers read write
Encryption (declared in TROBaseConnection) obsolete
This is DES based enscryption, it is obsolete because works only for Delphi. Use message envelope AES Encryption Envelope instead.
property Encryption: TROEncryption read write
ExtendedDispatchers (declared in TROCustomHTTPServer)
List of extended dispatchers attached to the server channel instance.
Extended dispatchers are dispatchers that perform special tasks other than calling server services. A good example of an extended dispatcher is TROJavaScriptHttpDispatcher dispatcher.
property ExtendedDispatchers: TROExtendedHTTPDispatcherList read
HTTPAuthenticationRealm
Realm for http authentication.
property HTTPAuthenticationRealm: string read write
MinSizeForGzipEncoding (declared in TROCustomHTTPServer)
The minimal size when GZIP encoding will be used (default is 4096 bytes)
property MinSizeForGzipEncoding: Integer read write
OnGetRODLReader (declared in TROCustomHTTPServer)
property OnGetRODLReader: TROGetRODLReader read write
Port protected (declared in TROServer)
The network socket where the server will be listening
property Port: Integer read write
RequireHTTPAuthentication
Allows to use HTTP Authentication.
property RequireHTTPAuthentication: Boolean read write
SendClientAccessPolicyXml (declared in TROCustomHTTPServer)
Gets or sets the intended server behavior when the ClientAccessPolicy.xml file (security policy file) is requested.
Possible values are:
- captAllowNone - All requests are denied.
- captAllowAll - All requests are allowed.
- captCustom - Custom request policy is applied. Custom security policy file is generated via the OnGetCustomClientAccessPolicy event handler.
property SendClientAccessPolicyXml: TROClientAccessPolicyType read write
SendCrossOriginHeader (declared in TROCustomHTTPServer)
Gets or sets a flag indicating whether the server should handle the incoming CORS requests or ignore them.
property SendCrossOriginHeader: Boolean read write
SendExceptionsAs500
If set to true, messages about exceptions occurred on the server will be sent with a HTTP Error 500 header set (standard HTTP header for internal server errors), or a standard "200" message code (false).
Some proxy servers might perform special handling on 500 error messages that will prevent exception messages sent back as 500 to be recognized properly. If you are seeing this problem, try setting this property to false. If not, it is recommended to keep the default value.
property SendExceptionsAs500: Boolean read write
ServeInfoPage (declared in TROCustomHTTPServer)
Specifies whether the HTTP server will serve up a page with human-readable information about the server when being accessed from a web browser. This information page will contain details about the registered dispatchers and the documentation for the services.
property ServeInfoPage: Boolean read write
ServeRodl (declared in TROServer)
Specifies whether the server will make the contained RODL file available to clients (true, default) or not. Keep this property set to true if clients need to access the RODL (or WSDL), for example so that third parties (including Service Tester) can import services. Set it to false if you do not want to provide this information, for example for security reasons.
property ServeRodl: Boolean read write
ServiceGroup (declared in TROServer)
Allows to get/set Service Groups
property ServiceGroup: string read write
constructor Create override
Standard component constructor
constructor Create(aOwner: TComponent)
Parameters:
- aOwner: Owner
Assign override
Copies the contents of another, similar object.
procedure Assign(Source: TPersistent)
Parameters:
- Source: Instance whose properties will be copied
CheckProperties virtual (declared in TROServer)
Validates the server properties.
procedure CheckProperties
DecryptStream (TStream, TStream) protected overload (declared in TROBaseConnection)
Decrypt stream
procedure DecryptStream(const Source: TStream; const Dest: TStream)
Parameters:
- Source: Source
- Dest: Destination
DecryptStream (TStream) protected overload (declared in TROBaseConnection)
Decrypt stream
procedure DecryptStream(const Stream: TStream)
Parameters:
- Stream: Stream
DispatchMessage (IROTransport, TStream, TStream): Boolean protected overload (declared in TROServer)
function DispatchMessage(const aTransport: IROTransport; aRequeststream: TStream; aResponsestream: TStream): Boolean
Parameters:
- aTransport:
- aRequeststream:
- aResponsestream:
DispatchMessage (IROTransport, TStream, TStream, TROResponseOptions): Boolean protected overload (declared in TROServer)
function DispatchMessage(const aTransport: IROTransport; aRequestStream: TStream; aResponseStream: TStream; out oResponseOptions: TROResponseOptions): Boolean
Parameters:
- aTransport:
- aRequestStream:
- aResponseStream:
- oResponseOptions:
DoBeforeDecryptEvent protected virtual (declared in TROBaseConnection) obsolete
procedure DoBeforeDecryptEvent(aEncryptedStream: TStream)
Parameters:
- aEncryptedStream: Stream
DoCORSSupport protected (declared in TROCustomHTTPServer)
Processes CORS requests.
function DoCORSSupport(const aRequest: IUnknown; const aResponse: IROHTTPResponse): Boolean
Parameters:
- aRequest: Request
- aResponse: Response
DoDecodeStream protected
Performs GZIP decoding
procedure DoDecodeStream(const aSource: TStream; out aDest: TStream)
Parameters:
- aSource: Source
- aDest: Destination
DoEncodeStream protected
Performs GZIP encoding
procedure DoEncodeStream(const aSource: TStream)
Parameters:
- aSource: Source
DoGetCustomClientAccessPolicy protected (declared in TROCustomHTTPServer)
procedure DoGetCustomClientAccessPolicy(var aPolicyContent: string)
Parameters:
- aPolicyContent:
DoProcessDocs protected (declared in TROCustomHTTPServer)
Generates documentation if correspondent request is detected
function DoProcessDocs(const aRequest: IUnknown; const aResponse: IROHTTPResponse; const aResponseStream: TStream; const aRoot: string; const aSub: string): Boolean
Parameters:
- aRequest: Request
- aResponse: Response
- aResponseStream: Response stream
- aRoot: Root (part before ?)
- aSub: Query string (part after ?)
EncryptStream (TStream, TStream) protected overload (declared in TROBaseConnection)
Encrypt stream
procedure EncryptStream(const Source: TStream; const Dest: TStream)
Parameters:
- Source: Source
- Dest: Destination
EncryptStream (TStream) protected overload (declared in TROBaseConnection)
Encrypt stream
procedure EncryptStream(const Stream: TStream)
Parameters:
- Stream: Stream
GetCACertificate protected virtual (declared in TROCustomHTTPServer)
Returns CA certificate
function GetCACertificate: string
GetDispatchersClass protected override (declared in TROCustomHTTPServer)
Returns TROMessageDispatchers class
function GetDispatchersClass: TROMessageDispatchersClass
GetRODLReader protected (declared in TROServer)
function GetRODLReader: TROCustomRODLReader
GetSecure protected virtual (declared in TROServer)
Returns SSL state
function GetSecure: Boolean
GetServerType protected override
Returns rstHTTP. This property is used by the ZeroConf infrastructure.
function GetServerType: TROServerType
GetServiceMetaData protected (declared in TROServer)
function GetServiceMetaData(aServiceName: string; aOptions: string; out aContentType: string): TStream
Parameters:
- aServiceName:
- aOptions:
- aContentType:
GetTransportObject protected (declared in TROServer)
Returns itself.
function GetTransportObject: TObject
HandleExtendedDispatchers protected (declared in TROCustomHTTPServer)
Processes Extended Dispatcher requests.
function HandleExtendedDispatchers(const aRoot: string; const aTransport: IROHTTPTransport; const aRequest: IUnknown; const aResponse: IROHTTPResponse; const aRequestData: TStream; const aResponseData: TStream): Boolean
Parameters:
- aRoot: Path Info
- aTransport: Transport channel
- aRequest: Request
- aResponse: Response
- aRequestData: Request stream
- aResponseData: Response stream
IsEncryptionUsed protected (declared in TROBaseConnection)
Checks if encryption was used
function IsEncryptionUsed: Boolean
IsServiceAllowed protected (declared in TROServer)
function IsServiceAllowed(Value: string): Boolean
Parameters:
- Value:
IsStreamEncrypted protected (declared in TROBaseConnection)
Checks state of stream
function IsStreamEncrypted(Source: TStream): Boolean
Parameters:
- Source: Stream
Notification protected override (declared in TROServer)
Forwards notification messages to all owned components.
procedure Notification(AComponent: TComponent; Operation: TOperation)
Parameters:
- AComponent: component
- Operation: operation
ParsePathInfo protected (declared in TROCustomHTTPServer)
Parses PathInfo and splits it to root and query
procedure ParsePathInfo(const aPathInfo: string; var aRoot: string; var aSub: string)
Parameters:
- aPathInfo: PathInfo
- aRoot: Root (part after ?)
- aSub: Query string (part after ?)
ProcessRequest protected virtual
This is basically the core of the entire server channel. This method processes incoming HTTP requests and performs requested actions (service method call, RODL request etc).
procedure ProcessRequest(const aTransport: IROHTTPTransportEx; const aRequestStream: TStream; out aResponseStream: TStream; const aResponse: IROHTTPResponse)
Parameters:
- aTransport: Transport instance
- aRequestStream: Request stream
- aResponseStream: Response stream
- aResponse: Response
Register protected (declared in TROCustomHTTPServer)
Register Extended HTTP Dispatcher
procedure Register(aDispatcher: IROHTTPDispatcher)
Parameters:
- aDispatcher: Extended HTTP Dispatcher
ROFreeNotification (declared in TROComponent)
Forwards notification messages to all owned components.
procedure ROFreeNotification(aComponent: TComponent)
Parameters:
- aComponent: component
RORemoveFreeNotification (declared in TROComponent)
Forwards notification messages to all owned components.
procedure RORemoveFreeNotification(aComponent: TComponent)
Parameters:
- aComponent: component
SendRemoveNotification protected (declared in TROComponent)
Forwards notification messages to all owned components.
procedure SendRemoveNotification(aComponent: TComponent)
Parameters:
- aComponent: component
TriggerReadFromStream protected (declared in TROServer)
Fires the OnReadFromStream event
procedure TriggerReadFromStream(aSource: TStream)
Parameters:
- aSource: stream
TriggerWriteToStream protected (declared in TROServer)
Fires the OnReadFromStream event
procedure TriggerWriteToStream(aDest: TStream)
Parameters:
- aDest: stream
Unregister protected (declared in TROCustomHTTPServer)
Unregister Extended HTTP Dispatcher
procedure Unregister(aDispatcher: IROHTTPDispatcher)
Parameters:
- aDispatcher: Extended HTTP Dispatcher
OnAfterEncrypt (declared in TROBaseConnection)
Fired after stream was encrypted
property OnAfterEncrypt: TROBaseConnectionOperation read write
delegate: procedure OnAfterEncrypt(Sender: TROBaseConnection; aEncryptedStream: TStream)
OnAfterServerActivate (declared in TROServer)
Fires after the server has been activated.
property OnAfterServerActivate: TNotifyEvent read write
OnAfterServerDeactivate (declared in TROServer)
Fires after the server has been deactivated. You can use this event handler to perform any cleanup you might need after the server has stopped processing new requests.
property OnAfterServerDeactivate: TNotifyEvent read write
OnBeforeDecrypt (declared in TROBaseConnection)
Fired before stream will be decrypted
property OnBeforeDecrypt: TROBaseConnectionOperation read write
delegate: procedure OnBeforeDecrypt(Sender: TROBaseConnection; aEncryptedStream: TStream)
OnBeforeServerActivate (declared in TROServer)
Fires just before the server is activated. You can use this event handler to perform any initialization you might need before the server starts processing new requests.
property OnBeforeServerActivate: TNotifyEvent read write
OnBeforeServerDeactivate (declared in TROServer)
Fires just before the server is deactivated. You can use this event handler to perform any cleanup you might need before the server stops processing new requests.
property OnBeforeServerDeactivate: TNotifyEvent read write
OnCustomResponseEvent
Allows to handle unknown
requests, i.e. that aren't recognised by ProcessRequest
property OnCustomResponseEvent: TROHTTPGetCustomResponseEvent read write
delegate: procedure OnCustomResponseEvent(const aTransport: IROHTTPTransport; const aRequestStream: TStream; const aResponseStream: TStream; const aResponse: IROHTTPResponse; var aHandled: Boolean)
OnGetCustomClientAccessPolicy (declared in TROCustomHTTPServer)
This event is fired when SendClientAccessPolicyXml is set to captCustom. Allows more precise management of client access policies.
The handler of this event generates a valid ClientAccessPolicy.xml and puts it to the aPolicyContent parameter.
property OnGetCustomClientAccessPolicy: TROCustomClientAccessPolicyMethod read write
delegate: procedure OnGetCustomClientAccessPolicy(aSender: TObject; var aPolicyContent: ROUTF8String)
OnHTTPAuthentication
Fires if RequireHTTPAuthentication is set and correspondent fields are present in client request.
property OnHTTPAuthentication: TROHTTPAuthentication read write
delegate: procedure OnHTTPAuthentication(const aRequest: IROHTTPRequest; const aUserName: string; const aPassword: string; var aHandled: Boolean)
OnReadFromStream (declared in TROServer)
Fires after a stream with a request message has been received from the client. The event handler can inspect and possibly modify the stream, before it continues to be processed by the higher levels of the Remoting SDK framework.
property OnReadFromStream: TStreamOperation read write
delegate: procedure OnReadFromStream(aStream: TStream)
OnSendCrossOriginHeader (declared in TROCustomHTTPServer)
This event is fired when server channel receives OPTIONS request. This event allows more precise management of cross-origin client access policies.
property OnSendCrossOriginHeader: TROHTTPSendCrossOriginHeader read write
delegate: procedure OnSendCrossOriginHeader(var AllowedOrigin: string)
OnSendCrossOriginHeaderEx (declared in TROCustomHTTPServer)
property OnSendCrossOriginHeaderEx: TROHTTPSendCrossOriginHeaderEx read write
delegate: function OnSendCrossOriginHeaderEx(var Cors: TROCorsStruct): Boolean
OnWriteToStream (declared in TROServer)
Fires just before a stream with a response message is sent back to the client. The event handler can inspect and possibly modify the stream, before it continues to be sent off to the client.
property OnWriteToStream: TStreamOperation read write
delegate: procedure OnWriteToStream(aStream: TStream)
- OData Publishing