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Added xml

<main>

<sensor_data mote_id="158" timestamp_mote_transmitted="123451234" timestamp_mote_server_received="123451234">
  <!-- XML is not typed, so it can be int, char, long, string -->
  <sensor type="131" value="25555"/>
</sensor_data>

<!-- sympathy data -->
<sympathy_data mote_id="158" time_awake_mins="123451234">

    <!-- if no failure, congestion, or sink, then omit printing completely -->
    <failure_type>3</failure_type>
    <root_cause>3</root_cause>
    <failure_localization>3</failure_localization>
    <congestion_detected>1</congestion_detected>
    <sink>1</sink>

    <packet_table>
	    <packet type="NEIGHBOR" number_rx="52" />
	    <packet type="ROUTE" number_rx="30" />
	    <packet type="SYMPATHY" number_rx="30" />
	    <packet type="BEACON" number_rx="30" />
    </packet_table>

    <!-- print the following ONLY when they change -->
    <neighbor_list>
      <node mote_id="159" ingress="245" egress="235" avg_rssi="34" />
    </neighbor_list>

    <!-- print the following ONLY when we received an update -->
    <routing_table>
      <sink mote_id="2" next_hop_address="158" path_quality="245"/>
      <sink mote_id="3" next_hop_address="158" path_quality="235"/>
    </routing_table>

    <!-- print this ONLY when it changed -->
    <!-- we dont need this if it can be calculated by the data-base -->
    <!-- <routing_children>
      <node mote_id="5"/>
      <node mote_id="30"/>
    </routing_children> -->

    <!-- print the following ONLY when it changed.  -->
    <num_neighbors_heard_this_node>5</num_neighbors_heard_this_node>
    ...
</sympathy_data>

</main>
<!--
2) Sympathy Data, provided for each node:
typedef struct sympathy_data {
  int node_address;
**  neighbor_t neighbor_list[MAX_NEIGHBORS];
**  route_t routing_table[MAX_SINKS];
  int (char *?) failure_type;
  bool congestion_detected;
  bool sink; /* Is this the sink */
**  packet_t packet_table[MAX_PACKET_TYPES];
  int routing_children[MAX_CHILDREN]; /* Who are children of this node */
  int neighbors_heard_this_node[MAX_NEIGHBORS];
}

typedef struct packet {
  pkt_type type; /* an enum? */
  int number_rx; /* Number received from this node */
  int minutes_since_last_received;
} packet_t;

enum {
  NEIGHBOR = 0,
  ROUTING,
  COMP_1,
  COMP_2,
  MAX_PACKETS
} pkt_type;

typedef struct neighbor {
  int address;
  uint8_t ingress;
  uint8_t egress;
} neighbor_t;

typedef struct route {
  int sink_address;
  int next_hop_address;
  uint8_t path_quality;
} route_t;
-->