Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
This version of Boost is under active development. You are currently in the develop branch. The current version is 1.91.0.
Checks whether the server is alive.
void ping(error_code& err,diagnostics& diag);
If the server is alive, this function will complete without error. If it's not, it will fail with the relevant network or protocol error.
Note that ping requests are treated as any other type of request at the protocol level, and won't be prioritized anyhow by the server. If the server is stuck in a long-running query, the ping request won't be answered until the query is finished.