From 9e3f9d4d7a953d41210b9d3757fb003573b90308 Mon Sep 17 00:00:00 2001
From: Garrett D'Amore <garrett@damore.org>
Date: Wed, 14 Dec 2016 20:44:51 -0800
Subject: nni_socket_add_pipe and nni_socket_remove_pipe implementation.

---
 src/core/socket.c | 81 ++++++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 60 insertions(+), 21 deletions(-)

(limited to 'src/core/socket.c')

diff --git a/src/core/socket.c b/src/core/socket.c
index 094f9ce0..bc18b4a3 100644
--- a/src/core/socket.c
+++ b/src/core/socket.c
@@ -26,25 +26,6 @@
  * Socket implementation.
  */
 
-struct nng_socket {
-	nni_mutex_t	s_mx;
-
-	nni_msgqueue_t	s_uwq;	/* Upper write queue. */
-	nni_msgqueue_t	s_urq;	/* Upper read queue. */
-
-	struct nni_protocol s_ops;
-
-	void		*s_data; /* Protocol private. */
-
-	/* options */
-
-	nni_list_t	s_eps;
-	nni_list_t	s_pipes;
-
-	int		s_besteffort;	/* Best effort mode delivery. */
-	int		s_senderr;	/* Protocol state machine use. */
-};
-
 /*
  * nni_socket_sendq and nni_socket_recvq are called by the protocol to obtain
  * the upper read and write queues.
@@ -76,7 +57,7 @@ nni_socket_create(nni_socket_t *sockp, uint16_t proto)
         }
         sock->s_ops = *ops;
 
-        nni_pipe_list_init(&sock->s_pipes);
+        NNI_LIST_INIT(&sock->s_pipes, struct nng_pipe, p_sock_node);
         //NNI_LIST_INIT(&sock->s_eps, nni_endpt_t, ep_node);
 
         if ((rv = sock->s_ops.proto_create(&sock->s_data, sock)) != 0) {
@@ -92,11 +73,25 @@ int
 nni_socket_close(nni_socket_t sock)
 {
 	nni_pipe_t pipe;
+	nni_endpt_t ep;
 
 	nni_msgqueue_close(sock->s_urq);
 	/* XXX: drain this? */
 	nni_msgqueue_close(sock->s_uwq);
 
+	nni_mutex_enter(sock->s_mx);
+	NNI_LIST_FOREACH(&sock->s_eps, ep) {
+		#if 0
+		nni_ep_stop(ep);
+		// OR....
+		nni_mutex_enter(ep->ep_mx);
+		ep->ep_stop = 1;
+		nni_cond_broadcast(ep->ep_cond);
+		nni_mutex_exit(ep->ep_mx);
+		#endif
+		break;	/* REMOVE ME */
+	}
+	nni_mutex_exit(sock->s_mx);
 	/* XXX: close endpoints - no new pipes made... */
 
 	/* XXX: protocol shutdown */
@@ -112,10 +107,14 @@ nni_socket_close(nni_socket_t sock)
 	/* XXX: close remaining pipes */
 	while ((pipe = nni_list_first(&sock->s_pipes)) != NULL) {
 		nni_list_remove(&sock->s_pipes, pipe);
-		/* XXX: call nni_pipe_close, then nni_pipe_destroy */
+		/* XXX: nni_pipe_destroy */
 	}
 
 	/* XXX: wait for workers to cease activity */
+	while ((ep = nni_list_first(&sock->s_eps)) != NULL) {
+		nni_list_remove(&sock->s_eps, ep);
+		/* XXX: nni_ep_destroy(ep); */
+	}
 
 	return (0);
 }
@@ -167,3 +166,43 @@ nni_socket_protocol(nni_socket_t sock)
 {
         return (sock->s_ops.proto_self);
 }
+
+void
+nni_socket_remove_pipe(nni_socket_t sock, nni_pipe_t pipe)
+{
+	nni_mutex_enter(sock->s_mx);
+	if (pipe->p_sock != sock) {
+		nni_mutex_exit(sock->s_mx);
+	}
+	/*
+	 * Remove the pipe from the protocol.  Protocols may
+	 * keep lists of pipes for managing their topologies.
+	 */
+	sock->s_ops.proto_remove_pipe(sock->s_data, pipe);
+
+	/* Now remove it from our own list */
+	nni_list_remove(&sock->s_pipes, pipe);
+	pipe->p_sock = NULL;
+	// XXX: Redial
+	// XXX: also publish event...
+	//if (pipe->p_ep != NULL) {
+	//	nn_endpt_remove_pipe(pipe->p_ep, pipe)
+	//}
+	nni_mutex_exit(sock->s_mx);
+}
+
+int
+nni_socket_add_pipe(nni_socket_t sock, nni_pipe_t pipe)
+{
+	int rv;
+	nni_mutex_enter(sock->s_mx);
+	if ((rv = sock->s_ops.proto_add_pipe(sock->s_data, pipe)) != 0) {
+		nni_mutex_exit(sock->s_mx);
+		return (rv);
+	}
+	nni_list_append(&sock->s_pipes, pipe);
+	pipe->p_sock = sock;
+	/* XXX: Publish event */
+	nni_mutex_exit(sock->s_mx);
+	return (0);
+}
-- 
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