+// Need a time interval.
+
+#define TBF_MAX_QUEUE 2 // Maximum of 2 queued packet per
+#define TBF_MAX_SIZE 3000 // Maxiumum queued packet size is 2048.
+
+#define TBF_MAX_CREDIT 6000 // Maximum 6000 bytes of credit.
+#define TBF_RATE 360 // 360 bytes per 1/10th of a second.
+
+typedef struct {
+ int credit;
+ int lasttime;
+ int queued;
+ int oldest; // Position of packet in the ring buffer.
+ sessionidt sid; // associated session ID.
+ int max_credit; // Maximum amount of credit available (burst size).
+ int rate; // How many bytes of credit per second we get? (sustained rate)
+ void (*send)(sessionidt s, u8 *, int); // Routine to actually send out the data.
+ int prev; // Timer chain position.
+ int next; // Timer chain position.
+
+ u32 b_queued; // Total bytes sent through this TBF
+ u32 b_sent; // Total bytes sucessfully made it to the network.
+ u32 p_queued; // ditto packets.
+ u32 p_sent; // ditto packets.
+ u32 b_dropped; // Total bytes dropped.
+ u32 p_dropped; // Total packets dropped.
+ u32 p_delayed; // Total packets not sent immediately.
+
+ int sizes[TBF_MAX_QUEUE];
+ char packets[TBF_MAX_QUEUE][TBF_MAX_SIZE];
+} tbft;
+