add howl support

src/rend-howl.c

@@ -0,0 +1,70 @@
+/*
+ * $Id$
+ *
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <rendezvous/rendezvous.h>
+#include <salt/log.h>
+
+#include "err.h"
+
+/*
+ * rend_howl_reply
+ *
+ * Callback function for mDNS stuff
+ */
+static sw_result rend_howl_reply(sw_rendezvous_publish_handler handler,
+				 sw_rendezvous rendezvous,
+				 sw_rendezvous_publish_status status,
+				 sw_rendezvous_publish_id id,
+				 sw_opaque extra) {
+    static sw_string status_text[] = {
+	"started",
+	"stopped",
+	"name collision",
+	"invalid"
+    };
+
+    DPRINTF(ERR_DEBUG,"Publish reply: %s\n",status_text[status]);
+    return SW_OKAY;
+}
+
+
+/*
+ * public interface
+ */
+int rend_init(pid_t *pid, char *name, int port) {
+    sw_rendezvous rendezvous;
+    sw_result result;
+    sw_rendezvous_publish_id daap_id;
+    sw_rendezvous_publish_id http_id;
+    
+    if(sw_rendezvous_init(&rendezvous) != SW_OKAY) {
+	DPRINTF(ERR_WARN,"Error initializing rendezvous\n");
+	errno=EINVAL;
+	return -1;
+    }
+
+    if((result=sw_rendezvous_publish(rendezvous,name,"_daap._tcp",NULL,NULL,port,NULL,NULL,
+				     rend_howl_reply,NULL,&daap_id)) != SW_OKAY) {
+	DPRINTF(ERR_WARN,"Error registering DAAP server via mDNS: %d\n",result);
+	return -1;
+    }
+
+    if((result=sw_rendezvous_publish(rendezvous,name,"_http._tcp",NULL,NULL,port,NULL,NULL,
+				     rend_howl_reply,NULL,&http_id)) != SW_OKAY) {
+	DPRINTF(ERR_WARN,"Error registering HTTP server via mDNS: %d\n",result);
+	return -1;
+    }
+    
+    *pid=fork();
+    if(*pid) {
+	return 0;
+    }
+
+    DPRINTF(ERR_DEBUG,"Registered rendezvous services\n");
+    sw_rendezvous_run(rendezvous);
+    return 0;
+}