[ns] need of awk script

Sir/Madam,
I am in need of awk script to filter my trace file .
The trace format is

M 10.00000 0 (5.00, 5.00, 0.00), (250.00, 250.00), 3.00
s 10.000000000 _0_ AGT --- 0 tcp 40 [0 0 0 0] ------- [0:0 1:0 32 0] [0 0]
0 0
r 10.000000000 _0_ RTR --- 0 tcp 40 [0 0 0 0] ------- [0:0 1:0 32 0] [0 0]
0 0
s 10.000000000 _0_ RTR --- 0 AODV 48 [0 0 0 0] ------- [0:255 -1:255 30 0]
[0x2 1 1 [1 0] [0 4]] (REQUEST)
s 12.000000000 _0_ RTR --- 0 AODV 48 [0 0 0 0] ------- [0:255 -1:255 30 0]
[0x2 1 2 [1 0] [0 6]] (REQUEST)
s 13.000000000 _0_ AGT --- 1 tcp 40 [0 0 0 0] ------- [0:0 1:0 32 0] [0 0]
0 0
r 13.000000000 _0_ RTR --- 1 tcp 40 [0 0 0 0] ------- [0:0 1:0 32 0] [0 0]
0 0
M 15.00000 1 (490.00, 285.00, 0.00), (45.00, 285.00), 5.00
s 16.000000000 _0_ RTR --- 0 AODV 48 [0 0 0 0] ------- [0:255 -1:255 30 0]
[0x2 1 3 [1 0] [0 8]] (REQUEST)
s 19.000000000 _0_ AGT --- 2 tcp 40 [0 0 0 0] ------- [0:0 1:0 32 0] [0 0]
0 0
r 19.000000000 _0_ RTR --- 2 tcp 40 [0 0 0 0] ------- [0:0 1:0 32 0] [0 0]
0 0
s 21.500000000 _0_ RTR --- 0 AODV 48 [0 0 0 0] ------- [0:255 -1:255 30 0]
[0x2 1 4 [1 0] [0 10]] (REQUEST)
r 21.501148809 _2_ RTR --- 0 AODV 48 [0 ffffffff 0 800] ------- [0:255
-1:255 30 0] [0x2 1 4 [1 0] [0 10]] (REQUEST)
s 21.507537460 _2_ RTR --- 0 AODV 48 [0 ffffffff 0 800] ------- [2:255
-1:255 29 0] [0x2 2 4 [1 0] [0 10]] (REQUEST)
r 21.508746269 _0_ RTR --- 0 AODV 48 [0 ffffffff 2 800] ------- [2:255
-1:255 29 0] [0x2 2 4 [1 0] [0 10]] (REQUEST)

i have to filter this trace format to use in GNUPLOT

With regards
Sindhu