libssh2_trace man page

libssh2_trace — enable debug info from inside libssh2

Synopsis

#include <libssh2.h>

void libssh2_trace(LIBSSH2_SESSION *session, int bitmask);

Description

This is a function present in the library that can be used to get debug info from within libssh2 when it is running. Helpful when trying to trace or debug behaviors. Note that this function has no effect unless libssh2 was built to support tracing! It is usually disabled in release builds.

bitmask can be set to the logical OR of none, one or more of these:

LIBSSH2_TRACE_SOCKET
Socket low-level debugging
LIBSSH2_TRACE_TRANS
Transport layer debugging
LIBSSH2_TRACE_KEX
Key exchange debugging
LIBSSH2_TRACE_AUTH
Authentication debugging
LIBSSH2_TRACE_CONN
Connection layer debugging
LIBSSH2_TRACE_SCP
SCP debugging
LIBSSH2_TRACE_SFTP
SFTP debugging
LIBSSH2_TRACE_ERROR
Error debugging
LIBSSH2_TRACE_PUBLICKEY
Public Key debugging

Info

26 Dec 2008 libssh2 1.0 libssh2 manual