From 1bde6249ab6b44764ff2d7ef79e2f22ddf9a7082 Mon Sep 17 00:00:00 2001
From: cbdev <cb@cbcdn.com>
Date: Wed, 11 Dec 2019 23:30:46 +0100
Subject: rtpmidi shutdown procedure

---
 backends/rtpmidi.c | 44 ++++++++++++++++++++++++++++++++------------
 backends/rtpmidi.h |  5 ++---
 2 files changed, 34 insertions(+), 15 deletions(-)

diff --git a/backends/rtpmidi.c b/backends/rtpmidi.c
index 38cc9c1..77819ee 100644
--- a/backends/rtpmidi.c
+++ b/backends/rtpmidi.c
@@ -323,10 +323,9 @@ static int rtpmidi_handle(size_t num, managed_fd* fds){
 	return 1;
 }
 
-static int rtpmidi_start(){
-	size_t n, u, fds = 0;
+static int rtpmidi_start(size_t n, instance** inst){
+	size_t u, fds = 0;
 	int rv = 1;
-	instance** inst = NULL;
 	rtpmidi_instance_data* data = NULL;
 
 	//if mdns name defined and no socket, bind default values
@@ -349,12 +348,6 @@ static int rtpmidi_start(){
 		fprintf(stderr, "No mDNS discovery interface bound, AppleMIDI session discovery disabled\n");
 	}
 
-	//fetch all defined instances
-	if(mm_backend_instances(BACKEND_NAME, &n, &inst)){
-		fprintf(stderr, "Failed to fetch instance list\n");
-		return 1;
-	}
-
 	for(u = 0; u < n; u++){
 		data = (rtpmidi_instance_data*) inst[u]->impl;
 		//check whether instances are explicitly configured to a mode
@@ -385,12 +378,39 @@ static int rtpmidi_start(){
 	fprintf(stderr, "rtpmidi backend registered %" PRIsize_t " descriptors to core\n", fds);
 	rv = 0;
 bail:
-	free(inst);
 	return rv;
 }
 
-static int rtpmidi_shutdown(){
-	//TODO cleanup instance data
+static int rtpmidi_shutdown(size_t n, instance** inst){
+	rtpmidi_instance_data* data = NULL;
+	size_t u;
+
+	for(u = 0; u < n; u++){
+		data = (rtpmidi_instance_data*) inst[u]->impl;
+		if(data->fd >= 0){
+			close(data->fd);
+		}
+
+		if(data->control_fd >= 0){
+			close(data->control_fd);
+		}
+
+		free(data->session_name);
+		data->session_name = NULL;
+
+		free(data->invite_peers);
+		data->invite_peers = NULL;
+
+		free(data->invite_accept);
+		data->invite_accept = NULL;
+
+		free(data->peer);
+		data->peer = NULL;
+		data->peers = 0;
+
+		free(inst[u]->impl);
+		inst[u]->impl = NULL;
+	}
 
 	free(cfg.mdns_name);
 	if(cfg.mdns_fd >= 0){
diff --git a/backends/rtpmidi.h b/backends/rtpmidi.h
index 6cab225..78675bc 100644
--- a/backends/rtpmidi.h
+++ b/backends/rtpmidi.h
@@ -10,10 +10,9 @@ static instance* rtpmidi_instance();
 static channel* rtpmidi_channel(instance* instance, char* spec, uint8_t flags);
 static int rtpmidi_set(instance* inst, size_t num, channel** c, channel_value* v);
 static int rtpmidi_handle(size_t num, managed_fd* fds);
-static int rtpmidi_start();
-static int rtpmidi_shutdown();
+static int rtpmidi_start(size_t n, instance** inst);
+static int rtpmidi_shutdown(size_t n, instance** inst);
 
-#define RTPMIDI_DEFAULT_PORTBASE "9001"
 #define RTPMIDI_RECV_BUF 4096
 #define RTPMIDI_MDNS_PORT "5353"
 #define RTPMIDI_HEADER_MAGIC htobe16(0x80E1)
-- 
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