gnutls_record_recv
NAMESYNOPSIS
ARGUMENTS
DESCRIPTION
RETURNS
REPORTING BUGS
COPYRIGHT
SEE ALSO
NAME
gnutls_record_recv − API function
SYNOPSIS
#include <gnutls/gnutls.h>
ssize_t gnutls_record_recv(gnutls_session_t session, void * data, size_t data_size);
ARGUMENTS
gnutls_session_t session
is a gnutls_session_t structure.
|
void * data |
the buffer that the data will be read into |
size_t data_size
the number of requested bytes
DESCRIPTION
This function has the similar semantics with recv(). The only difference is that it accepts a GnuTLS session, and uses different error codes. In the special case that a server requests a renegotiation, the client may receive an error code of GNUTLS_E_REHANDSHAKE. This message may be simply ignored, replied with an alert GNUTLS_A_NO_RENEGOTIATION, or replied with a new handshake, depending on the client’s will. If EINTR is returned by the internal push function (the default is recv()) then GNUTLS_E_INTERRUPTED will be returned. If GNUTLS_E_INTERRUPTED or GNUTLS_E_AGAIN is returned, you must call this function again to get the data. See also gnutls_record_get_direction(). A server may also receive GNUTLS_E_REHANDSHAKE when a client has initiated a handshake. In that case the server can only initiate a handshake or terminate the connection.
RETURNS
The number of bytes received and zero on EOF (for stream connections). A negative error code is returned in case of an error. The number of bytes received might be less than the requested data_size.
REPORTING BUGS
Report bugs to <bug-gnutls@gnu.org>. GnuTLS home page: http://www.gnu.org/software/gnutls/ General help using GNU software: http://www.gnu.org/gethelp/
COPYRIGHT
Copyright
© 2008 Free Software Foundation.
Copying and distribution of this file, with or without
modification, are permitted in any medium without royalty
provided the copyright notice and this notice are
preserved.
SEE ALSO
The full documentation for gnutls is maintained as a Texinfo manual. If the info and gnutls programs are properly installed at your site, the command
info gnutls
should give you access to the complete manual.
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