* Notification event streams enhancements

* Yang 1.1 notification support
  * Event stream discovery support according to RFC 5277 Sec 3.2.5.1 (netconf) and RFC 8040 (restconf)

yang/Makefile.in

@@ -45,6 +45,7 @@ YANGSPECS	+= ietf-netconf@2011-06-01.yang
 YANGSPECS	+= ietf-netconf-acm@2018-02-14.yang
 YANGSPECS	+= ietf-inet-types@2013-07-15.yang
 YANGSPECS	+= ietf-yang-types@2013-07-15.yang
+YANGSPECS	+= ietf-restconf-monitoring@2017-01-26.yang
 
 APPNAME	        = clixon  # subdir ehere these files are installed
 

yang/ietf-restconf-monitoring@2017-01-26.yang

@@ -0,0 +1,149 @@
+module ietf-restconf-monitoring {
+    namespace "urn:ietf:params:xml:ns:yang:ietf-restconf-monitoring";
+    prefix "rcmon";
+
+    import ietf-yang-types { prefix yang; }
+    import ietf-inet-types { prefix inet; }
+
+    organization
+	"IETF NETCONF (Network Configuration) Working Group";
+
+    contact
+	"WG Web:   <https://datatracker.ietf.org/wg/netconf/>
+        WG List:  <mailto:netconf@ietf.org>
+
+        Author:   Andy Bierman
+                  <mailto:andy@yumaworks.com>
+
+        Author:   Martin Bjorklund
+                  <mailto:mbj@tail-f.com>
+
+        Author:   Kent Watsen
+                  <mailto:kwatsen@juniper.net>";
+
+    description
+	"This module contains monitoring information for the
+        RESTCONF protocol.
+
+        Copyright (c) 2017 IETF Trust and the persons identified as
+        authors of the code.  All rights reserved.
+
+        Redistribution and use in source and binary forms, with or
+        without modification, is permitted pursuant to, and subject
+        to the license terms contained in, the Simplified BSD License
+        set forth in Section 4.c of the IETF Trust's Legal Provisions
+        Relating to IETF Documents
+        (http://trustee.ietf.org/license-info).
+
+        This version of this YANG module is part of RFC 8040; see
+        the RFC itself for full legal notices.";
+
+    revision 2017-01-26 {
+	description
+	    "Initial revision.";
+	reference
+	    "RFC 8040: RESTCONF Protocol.";
+    }
+
+    container restconf-state {
+	config false;
+	description
+	    "Contains RESTCONF protocol monitoring information.";
+
+	container capabilities {
+	    description
+		"Contains a list of protocol capability URIs.";
+
+	    leaf-list capability {
+		type inet:uri;
+		description
+		    "A RESTCONF protocol capability URI.";
+	    }
+	}
+
+	container streams {
+	    description
+		"Container representing the notification event streams
+            supported by the server.";
+	    reference
+		"RFC 5277, Section 3.4, <streams> element.";
+
+	    list stream {
+		key name;
+		description
+		    "Each entry describes an event stream supported by
+              the server.";
+
+		leaf name {
+		    type string;
+		    description
+			"The stream name.";
+		    reference
+			"RFC 5277, Section 3.4, <name> element.";
+		}
+
+		leaf description {
+		    type string;
+		    description
+			"Description of stream content.";
+		    reference
+			"RFC 5277, Section 3.4, <description> element.";
+		}
+
+		leaf replay-support {
+		    type boolean;
+		    default false;
+		    description
+			"Indicates if replay buffer is supported for this stream.
+                If 'true', then the server MUST support the 'start-time'
+                and 'stop-time' query parameters for this stream.";
+		    reference
+			"RFC 5277, Section 3.4, <replaySupport> element.";
+		}
+
+		leaf replay-log-creation-time {
+		    when "../replay-support" {
+			description
+			    "Only present if notification replay is supported.";
+		    }
+		    type yang:date-and-time;
+		    description
+			"Indicates the time the replay log for this stream
+                was created.";
+		    reference
+			"RFC 5277, Section 3.4, <replayLogCreationTime>
+                element.";
+		}
+
+		list access {
+		    key encoding;
+		    min-elements 1;
+		    description
+			"The server will create an entry in this list for each
+                encoding format that is supported for this stream.
+                The media type 'text/event-stream' is expected
+                for all event streams.  This list identifies the
+                subtypes supported for this stream.";
+
+		    leaf encoding {
+			type string;
+			description
+			    "This is the secondary encoding format within the
+                  'text/event-stream' encoding used by all streams.
+                  The type 'xml' is supported for XML encoding.
+                  The type 'json' is supported for JSON encoding.";
+		    }
+
+		    leaf location {
+			type inet:uri;
+			mandatory true;
+			description
+			    "Contains a URL that represents the entry point
+                  for establishing notification delivery via
+                  server-sent events.";
+		    }
+		}
+	    }
+	}
+    }
+}