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authorGarrett D'Amore <garrett@damore.org>2025-04-27 18:40:40 -0700
committerGarrett D'Amore <garrett@damore.org>2025-06-01 22:49:00 -0700
commit8bcb82d245a5fce1bd519e2f99250dedf11e763d (patch)
tree4d663bedbb043b9d599f061d7f2b5f9509c8f390 /src/sp/transport/socket
parent08400bd437149c4fb31af9b2abece2ae44041283 (diff)
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Introduce DTLS transport for NNG.
This introduces a new experimental transport for DTLS, that provides encryption over UDP. It has a simpler protocol than the current UDP SP protocol (but we intend to fix that by making the UDP transport simpler in a follow up!) There are a few other fixes in the TLS layer itself, and in the build, that were needed to accomplish this work. Also there was an endianness bug in the UDP protocol handling, which is fixed here.
Diffstat (limited to 'src/sp/transport/socket')
-rw-r--r--src/sp/transport/socket/CMakeLists.txt10
-rw-r--r--src/sp/transport/socket/sockfd.c8
2 files changed, 13 insertions, 5 deletions
diff --git a/src/sp/transport/socket/CMakeLists.txt b/src/sp/transport/socket/CMakeLists.txt
index d79b261e..4c7e8b58 100644
--- a/src/sp/transport/socket/CMakeLists.txt
+++ b/src/sp/transport/socket/CMakeLists.txt
@@ -1,5 +1,5 @@
#
-# Copyright 2023 Staysail Systems, Inc. <info@staysail.tech>
+# Copyright 2025 Staysail Systems, Inc. <info@staysail.tech>
#
# This software is supplied under the terms of the MIT License, a
# copy of which should be located in the distribution where this
@@ -10,6 +10,8 @@
# File Descriptor (or Handle) based connections
nng_directory(socket)
-nng_sources_if(NNG_TRANSPORT_FDC sockfd.c)
-nng_defines_if(NNG_TRANSPORT_FDC NNG_TRANSPORT_FDC)
-nng_test(sockfd_test) \ No newline at end of file
+if (NNG_TRANSPORT_FDC)
+ nng_sources(sockfd.c)
+ nng_defines(NNG_TRANSPORT_FDC)
+ nng_test(sockfd_test)
+endif()
diff --git a/src/sp/transport/socket/sockfd.c b/src/sp/transport/socket/sockfd.c
index 37debc85..57693088 100644
--- a/src/sp/transport/socket/sockfd.c
+++ b/src/sp/transport/socket/sockfd.c
@@ -807,8 +807,14 @@ sfd_tran_ep_accept(void *arg, nni_aio *aio)
nni_mtx_unlock(&ep->mtx);
}
+static size_t
+sfd_tran_pipe_size(void)
+{
+ return (sizeof(sfd_tran_pipe));
+}
+
static nni_sp_pipe_ops sfd_tran_pipe_ops = {
- .p_size = sizeof(sfd_tran_pipe),
+ .p_size = sfd_tran_pipe_size,
.p_init = sfd_tran_pipe_init,
.p_fini = sfd_tran_pipe_fini,
.p_stop = sfd_tran_pipe_stop,