From 5fcef1cac4d9faf0279b83ba48899b0e17b8e2d5 Mon Sep 17 00:00:00 2001 From: Martin Sustrik Date: Wed, 2 Mar 2011 09:00:36 +0100 Subject: ZMQ_MAXMSGSIZE option added The new option allows user to guard against peers sending oversized messages. Connection to peer sending oversized message is dropped. Signed-off-by: Martin Sustrik --- src/options.cpp | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'src/options.cpp') diff --git a/src/options.cpp b/src/options.cpp index c6d5760..9271b88 100644 --- a/src/options.cpp +++ b/src/options.cpp @@ -39,6 +39,7 @@ zmq::options_t::options_t () : reconnect_ivl (100), reconnect_ivl_max (0), backlog (100), + maxmsgsize (-1), requires_in (false), requires_out (false), immediate_connect (true) @@ -182,6 +183,14 @@ int zmq::options_t::setsockopt (int option_, const void *optval_, backlog = *((int*) optval_); return 0; + case ZMQ_MAXMSGSIZE: + if (optvallen_ != sizeof (int64_t)) { + errno = EINVAL; + return -1; + } + maxmsgsize = *((int64_t*) optval_); + return 0; + } errno = EINVAL; @@ -328,6 +337,15 @@ int zmq::options_t::getsockopt (int option_, void *optval_, size_t *optvallen_) *optvallen_ = sizeof (int); return 0; + case ZMQ_MAXMSGSIZE: + if (*optvallen_ < sizeof (int64_t)) { + errno = EINVAL; + return -1; + } + *((int64_t*) optval_) = maxmsgsize; + *optvallen_ = sizeof (int64_t); + return 0; + } errno = EINVAL; -- cgit v1.2.3