Provided by: libssh2-1-dev_1.8.0-2.1build1_amd64
libssh2_session_callback_set - set a callback function
#include <libssh2.h> void *libssh2_session_callback_set(LIBSSH2_SESSION *session, int cbtype, void *callback);
Sets a custom callback handler for a previously initialized session object. Callbacks are triggered by the receipt of special packets at the Transport layer. To disable a callback, set it to NULL. session - Session instance as returned by libssh2_session_init_ex(3) cbtype - Callback type. One of the types listed in Callback Types. callback - Pointer to custom callback function. The prototype for this function must match the associated callback declaration macro.
LIBSSH2_CALLBACK_IGNORE Called when a SSH_MSG_IGNORE message is received LIBSSH2_CALLBACK_DEBUG Called when a SSH_MSG_DEBUG message is received LIBSSH2_CALLBACK_DISCONNECT Called when a SSH_MSG_DISCONNECT message is received LIBSSH2_CALLBACK_MACERROR Called when a mismatched MAC has been detected in the transport layer. If the function returns 0, the packet will be accepted nonetheless. LIBSSH2_CALLBACK_X11 Called when an X11 connection has been accepted LIBSSH2_CALLBACK_SEND Called when libssh2 wants to send some data on the connection. Can be set to a custom function to handle I/O your own way. LIBSSH2_CALLBACK_RECV Called when libssh2 wants to receive some data from the connection. Can be set to a custom function to handle I/O your own way.
Pointer to previous callback handler. Returns NULL if no prior callback handler was set or the callback type was unknown.