This function is used to retrieve a message linked to a subject subscribed using the NatsSubscribe function. The message is acknowledged if necessary (JetStream).
Context
Windows client
Windows server
Java client
Java server
Adelia Web Client
Adelia Cloud client
Event Adelia client
Parameters
NUM_BIN_4 | Handle | Connection ID |
ALPHA | Subject | Subject |
| NUM_BIN_4 | Timout | Wait time |
| ALPHA | ReplyTo | Subject in which a reply must be transmitted. Output parameter |
NUM_BIN_4 | ReplyToLength | Length of ReplyTo parameter |
IMAGE | Message | Message. Output parameter. |
NUM_BIN_4 | Rc | Function return code. The possible values are provided in NatsLastError function documentation. Output parameter. |
Example
ALPHA(250) replyTo
IMAGE binaryMessage
ALPHA(32700) textMessage
...
CALL_DLL 'NatsToolBx' 'NatsGetMessage' Handle 'orders.france' 500 replyTo 250 message Rc4
CALL_DLL 'VaToolBx' 'VaToolBxImageToAlpha' binaryMessage 'UTF-8' textMessage 32700 Rc2