module opendaylight-statistics-types {
    namespace "urn:opendaylight:model:statistics:types";
    prefix stat-types;

    import ietf-yang-types {prefix yang;}
    
    revision "2013-09-25" {
        description "Initial revision of flow service";
    }
    
    grouping duration {
        container duration {
            leaf second {
                type yang:counter32;
            }
            leaf nanosecond {
                type yang:counter32;
            }
        }
    }

    grouping node-connector-statistics {
    	container packets {
            leaf received {
                type uint64;
            }
            leaf transmitted {
                type uint64;
            }
        }
        container bytes {
            leaf received {
                type uint64;
            }
            leaf transmitted {
                type uint64;
            }
        }
        leaf receive-drops {
            type uint64;
        }
        leaf transmit-drops {
            type uint64;
        }
        leaf receive-errors {
            type uint64;
        }
        leaf transmit-errors {
            type uint64;
        }
        leaf receive-frame-error {
            type uint64;
        }
        leaf receive-over-run-error {
            type uint64;
        }
        leaf receive-crc-error {
            type uint64;
        }
        leaf collision-count {
            type uint64;
        }
        uses duration;
    }
    
    grouping generic-statistics {
    	description "Generic grouping for statistics";
        leaf packet-count {
            type yang:counter64;
        }

        leaf byte-count {
            type yang:counter64;
        }
	uses duration;
	}
    
    grouping generic-table-statistics {
    	description "Generic grouping holding generic statistics related to switch table";
    	leaf active-flows {
            type yang:counter32;
    	}
    	leaf packets-looked-up {
    		type yang:counter64;
    	}
    	leaf packets-matched {
    		type yang:counter64;
    	}
    }
    
    grouping aggregate-flow-statistics {
    	description "Aggregate flow statistics";
        leaf packet-count {
            type yang:counter64;
        }

        leaf byte-count {
            type yang:counter64;
        }
        leaf flow-count {
            type yang:counter32;
        }
    }
    
    grouping generic-queue-statistics {
    	description "Generic statistics of switch port attached queues.";
    	leaf transmitted-bytes {
			type yang:counter64;
    	}
    	
    	leaf transmitted-packets {
			type yang:counter64;
    	}
    	
    	leaf transmission-errors {
			type yang:counter64;
    	}
		uses duration;    	
    }
    
}