Detailed Description

Broadcast NOOP-like commands to each service in the cluster

Function Documentation

Returns diagnostics report about network connections.

Request: lcb_CMDDIAG cmd = { 0 };

lcb_diag(instance, fp, &cmd);

lcb_wait(instance, LCB_WAIT_DEFAULT);

lcb_diag
lcb_STATUS lcb_diag(lcb_INSTANCE *instance, void *cookie, const lcb_CMDDIAG *cmd)
Returns diagnostics report about network connections.

lcb_wait
lcb_STATUS lcb_wait(lcb_INSTANCE *instance, lcb_WAITFLAGS flags)
Wait for completion of scheduled operations.

LCB_WAIT_DEFAULT
@ LCB_WAIT_DEFAULT
Behave like the old lcb_wait()
Definition couchbase.h:1854

Response: lcb_install_callback(instance, LCB_CALLBACK_DIAG, diag_callback);

void diag_callback(lcb_INSTANCE, int, const lcb_RESPBASE *rb)

{

const lcb_RESPDIAG *resp = (const lcb_RESPDIAG *)rb;

char* json;

size_t json_len;

lcb_STATUS rc = lcb_respdiag_status(resp);

if (rc != LCB_SUCCESS) {

fprintf(stderr, "failed: %s\n", lcb_strerror_short(rc));

} else {

lcb_respdiag_value(resp, &json, &json_len);

if (json) {

fprintf(stderr, "\n%.*s", json_len, json);

}

}

}

lcb_strerror_short
LCB_INTERNAL_API const char * lcb_strerror_short(lcb_STATUS error)
Get a shorter textual description of an error message.

lcb_STATUS
lcb_STATUS
Error codes returned by the library.
Definition error.h:212

lcb_INSTANCE
struct lcb_st lcb_INSTANCE
Library handle representing a connection to a cluster and its data buckets.
Definition couchbase.h:35

lcb_install_callback
lcb_RESPCALLBACK lcb_install_callback(lcb_INSTANCE *instance, int cbtype, lcb_RESPCALLBACK cb)

LCB_CALLBACK_DIAG
@ LCB_CALLBACK_DIAG
lcb_diag()
Definition couchbase.h:491

Parameters

instance	the library handle
cookie	the cookie passed in the callback
cmd	command structure.

Status of the service.

Type of the service.

This enumeration is used in PING responses.