SendJsonDomRequest
This method sends a request with a JSON object payload to a HTTP server. This method can be used, for example, if the server only accepts JSON object payloads.
Syntax
METHOD SendJsonDomRequest : BOOL
VAR_IN_OUT CONSTANT
sUri : STRING;
END_VAR
VAR_INPUT
fbClient : REFERENCE TO FB_IotHttpClient;
eRequestType : ETcIotHttpRequestType;
fbJson : REFERENCE TO FB_JsonDomParser;
fbHeader : REFERENCE TO FB_IotHttpHeaderFieldMap;
END_VAR
Return value
Name | Type | Description |
|---|---|---|
SendJsonDomRequest | BOOL | Returns TRUE if the method call was successful. |
Inputs
Name | Type | Description |
|---|---|---|
fbClient | REFERENCE TO FB_IotHttpClient | The HTTP client function block instance from which the request should be sent. |
eRequestType | ETcIotHttpRequestType | The type of HTTP command the request should have. The list can be found in the appendix. |
fbJson | REFERENCE TO FB_JsonDomParser | The instance of JsonDomParser for parsing a string to a JSON object. |
fbHeader | REFERENCE TO FB_IotHttpHeaderFieldMap | The instance of IotHttpHeaderFieldMap to edit the header of the HTTP request. |
/
Inputs/outputs
Name | Type | Description |
|---|---|---|
sUri | STRING | The identifier of the resource on the host. Please note, that the sUri is appended to the host name of the IotHttpClient. |