NS2网络模拟(3)-吞吐率

1: #NS2_有线部分\Throughput.awk

2:

3: BEGIN {

4:     #Initialize the variable

5:     init = 0;

6:     i = 0;

7: }

8:

9: {

10: #Event Abbreviation Type Value

11: #%g %d %d %s %d %s %d %d.%d %d.%d %d %d

12: #Normal Event

13:         #r: Receive

14:         #d: Drop

15:         #e: Error

16:         #+: Enqueue

17:         #-: Dequeue

18: #double  Time

19: #int  (Link-layer) Source Node

20: #int  (Link-layer) Destination Node

21: #string  Packet Name

22: #int  Packet Size

23: #string  Flags

24: #int  Flow ID

25: #int  (Network-layer) Source Address

26: #int  Source Port

27: #int  (Network-layer) Destination Address

28: #int  Destination Port

29: #int  Sequence Number

30: #int  Unique Packet ID

31:

32:     #Evaluate the fields to new viariables

33:     EVENT       = $1;

34:     TIME        = $2;

35:     SRCNODE     = $3

36:     DSTNODE     = $4;

37:     PKTNAME     = $5;

38:     PKTSIZE     = $6;

39:     FLAGS       = $7;

40:     FLOWID      = $8;

41:     SRCADDPORT  = $9;

42:     DSTADDPORT  = $10;

43:     SEQNO       = $11;

44:     PKTID       = $12;

45:

46:     #Count up the packets send to DstNode

47:     if (EVENT == "-" && SRCNODE == 0 && DSTNODE == 1)

48:     {

49:         ByteSum[i + 1] = ByteSum[i] + PKTSIZE;

50:

51: #        if (init == 0) {

52: #            StartTime = Time;

53: #            init = 1;

54: #        }

55:

56:         EndTime[i] = TIME;

57:         i = i + 1;

58:     }

59: }

60:

61: END {

62:     printf("%.2f\t%.2f\n", EndTime[0], 0);

63:

64:     #Calcute the throughput

65:     for (j = 1; j < i; j ++)

66:     {

67:         Throught = (ByteSum[j] / (EndTime[j] - EndTime[0])) * 8 / 1000;

68:         printf("%.2f\t%.2f\n", EndTime[j], Throught);

69:     }

70:

71:     printf("%.2f\t%.2f\n", EndTime[i - 1], 0);

72: }

73: