trmsg_open_topics()

`trmsg_open_topics()`#

trmsg_open_topics() initializes and opens topics for message handling using TimeRanger, ensuring that the necessary structures are available for message storage and retrieval.

C

Prototype

int trmsg_open_topics(
    json_t            *tranger,
    const topic_desc_t *descs
);

Parameters

Key	Type	Description
`tranger`	`json_t *`	A JSON object representing the TimeRanger instance where topics will be opened.
`descs`	`const topic_desc_t *`	An array of topic descriptors defining the structure and properties of the topics to be opened.

Return Value

Returns 0 on success, or a negative error code if the operation fails.

Notes

Ensure that tranger2_startup() has been called before invoking trmsg_open_topics() to properly initialize the TimeRanger environment.

JS

Prototype

// Not applicable in JS

Python

Prototype

# Not applicable in Python

trmsg_open_topics()

trmsg_open_topics()#

`trmsg_open_topics()`#