msg: add sockaddr to message structure

This is expected to be useful for new transports where we need
the sock address to properly reply (think UDP with multicast).

1 files changed, 13 insertions, 0 deletions

diff --git a/src/core/message.c b/src/core/message.c
index 5fdad109..64a63201 100644
--- a/src/core/message.c
+++ b/src/core/message.c
@@ -29,6 +29,7 @@ struct nng_msg {
 	nni_chunk      m_body;
 	uint32_t       m_pipe; // set on receive
 	nni_atomic_int m_refcnt;
+	nng_sockaddr   m_addr; // set on receive, transport use
 };
 
 #if 0
@@ -656,3 +657,15 @@ nni_msg_get_pipe(const nni_msg *m)
 {
 	return (m->m_pipe);
 }
+
+const nng_sockaddr *
+nni_msg_address(const nni_msg *msg)
+{
+	return (&msg->m_addr);
+}
+
+void
+nni_msg_set_address(nng_msg *msg, const nng_sockaddr *addr)
+{
+	msg->m_addr = *addr;
+}