#FIG 3.2 Produced by xfig version 3.2.8b Landscape Center Inches Letter 100.00 Single -1 1200 2 0 32 #bbf2e2 0 33 #a7ceb3 0 34 #dae8fc 0 35 #458dba 0 36 #ffe6cc 0 37 #e9b000 0 38 #1a1a1a 0 39 #8e8e8e 0 40 #ffc1e7 6 4200 8700 4800 9825 2 1 0 4 35 -1 48 -1 -1 0.000 0 0 -1 0 0 4 4261 9751 4261 8751 4761 8751 4761 9751 2 3 0 0 -1 34 49 -1 20 0.000 0 0 -1 0 0 5 4761 9751 4761 8751 4261 8751 4261 9751 4761 9751 2 1 0 2 35 -1 47 -1 -1 0.000 0 0 -1 0 0 2 4261 8850 4761 8850 2 1 0 2 35 -1 47 -1 -1 0.000 0 0 -1 0 0 2 4261 8925 4761 8925 2 1 0 2 35 -1 47 -1 -1 0.000 0 0 -1 0 0 2 4261 9000 4761 9000 -6 6 1425 3525 2025 4650 2 1 0 4 35 -1 48 -1 -1 0.000 0 0 -1 0 0 4 1486 4576 1486 3576 1986 3576 1986 4576 2 3 0 0 -1 34 49 -1 20 0.000 0 0 -1 0 0 5 1986 4576 1986 3576 1486 3576 1486 4576 1986 4576 2 1 0 2 35 -1 47 -1 -1 0.000 0 0 -1 0 0 2 1486 3675 1986 3675 2 1 0 2 35 -1 47 -1 -1 0.000 0 0 -1 0 0 2 1486 3750 1986 3750 2 1 0 2 35 -1 47 -1 -1 0.000 0 0 -1 0 0 2 1486 3825 1986 3825 -6 6 3225 3525 3825 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13775 8661 14175 8661 14175 8161 13775 8161 13775 8661 2 1 0 2 35 -1 47 -1 -1 0.000 0 0 -1 0 0 2 14025 8161 14025 8661 2 1 0 2 35 -1 47 -1 -1 0.000 0 0 -1 0 0 2 14100 8161 14100 8661 -6 6 11100 11700 13050 12150 1 1 0 4 20 40 49 -1 20 0.000 1 0.0000 11400 11925 225 150 11400 11925 11625 12075 4 0 0 49 -1 4 12 0.0000 4 165 960 11850 12000 I/O tasklet\001 -6 6 11100 12300 11700 12600 2 1 0 2 35 -1 47 -1 -1 0.000 0 0 -1 0 0 2 11357 12331 11357 12581 2 1 0 4 35 -1 48 -1 -1 0.000 0 0 -1 0 0 4 11157 12331 11614 12331 11614 12581 11157 12581 2 3 0 0 -1 34 49 -1 20 0.000 0 0 -1 0 0 5 11157 12581 11614 12581 11614 12331 11157 12331 11157 12581 2 1 0 2 35 -1 47 -1 -1 0.000 0 0 -1 0 0 2 11443 12331 11443 12581 2 1 0 2 35 -1 47 -1 -1 0.000 0 0 -1 0 0 2 11529 12331 11529 12581 -6 1 3 0 3 0 0 49 -1 20 0.000 1 0.0000 10725 5700 75 75 10725 5700 10800 5700 1 3 0 3 0 0 49 -1 20 0.000 1 0.0000 12750 5700 75 75 12750 5700 12825 5700 1 3 0 3 0 0 49 -1 20 0.000 1 0.0000 13875 5700 75 75 13875 5700 13950 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90.00 180.00 1 1 1.00 90.00 180.00 3000 3300 3000 1425 3675 600 7500 600 2 3 0 4 33 32 50 -1 20 0.000 0 0 -1 0 0 5 900 3300 900 9900 8100 9900 8100 3300 900 3300 2 1 0 3 0 7 49 -1 -1 0.000 1 0 -1 1 0 4 1 1 1.00 90.00 180.00 3525 3525 3525 2625 4500 1500 6750 1500 2 1 0 3 0 7 49 -1 -1 0.000 1 0 -1 1 0 3 1 1 1.00 90.00 180.00 11295 4425 11295 4725 11700 5625 2 1 0 3 0 7 49 -1 -1 0.000 1 0 -1 1 0 3 1 1 1.00 90.00 180.00 9495 4425 9495 4725 10695 5700 2 1 0 3 0 7 49 -1 -1 0.000 1 0 -1 1 0 3 1 1 1.00 90.00 180.00 13163 4425 13163 4725 12788 5625 2 1 0 3 0 7 49 -1 -1 0.000 1 0 -1 1 0 3 1 1 1.00 90.00 180.00 15013 4427 15013 4725 13888 5702 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 2 1 1 1.00 60.00 120.00 9525 3525 9525 3825 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 2 1 1 1.00 60.00 120.00 13125 3525 13125 3825 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 2 1 1 1.00 60.00 120.00 15000 3525 15000 3825 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 5 1 1 1.00 90.00 180.00 12300 7275 12300 7725 9975 7725 9975 8400 10425 8400 2 1 0 3 0 7 49 -1 -1 0.000 1 0 -1 1 0 3 1 1 1.00 90.00 180.00 11775 5850 12300 6450 12300 6825 2 1 1 3 0 7 49 -1 -1 8.000 1 0 -1 0 0 3 11475 6150 13200 6150 13200 6825 2 1 0 3 0 7 49 -1 -1 0.000 1 0 -1 0 1 3 1 1 1.00 90.00 180.00 3975 6900 4500 7650 4500 7875 2 1 0 3 0 7 49 -1 -1 0.000 1 0 -1 0 1 3 1 1 1.00 90.00 180.00 3495 5475 3495 5775 3900 6675 2 1 0 3 0 7 49 -1 -1 0.000 1 0 -1 0 1 3 1 1 1.00 90.00 180.00 1695 5475 1695 5775 2895 6750 2 1 0 3 0 7 49 -1 -1 0.000 1 0 -1 0 1 3 1 1 1.00 90.00 180.00 7213 5477 7213 5775 6088 6752 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 2 1 1 1.00 60.00 120.00 1725 4875 1725 4575 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 2 1 1 1.00 60.00 120.00 3525 4875 3525 4575 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 2 1 1 1.00 60.00 120.00 5325 4875 5325 4575 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 2 1 1 1.00 60.00 120.00 7200 4875 7200 4575 2 1 0 3 0 7 49 -1 -1 0.000 1 0 -1 0 1 2 1 1 1.00 90.00 180.00 4500 8325 4500 8721 2 1 1 3 0 7 49 -1 -1 8.000 1 0 -1 0 0 3 3225 7875 3225 7350 4725 7350 2 1 0 3 0 7 49 -1 -1 0.000 1 0 -1 1 1 2 1 1 1.00 90.00 180.00 1 1 1.00 90.00 180.00 3900 10800 3225 9450 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 2 1 1 1.00 90.00 180.00 4500 10800 4500 9750 2 1 0 3 0 7 49 -1 -1 0.000 1 0 -1 1 1 3 1 1 1.00 90.00 180.00 1 1 1.00 90.00 180.00 12375 10800 12375 9750 12375 9450 2 1 1 1 0 7 49 -1 -1 4.000 1 0 -1 0 0 2 12225 3300 12225 5025 2 1 1 1 0 7 49 -1 -1 4.000 1 0 -1 0 0 2 10425 3300 10425 5025 2 1 1 1 0 7 49 -1 -1 4.000 1 0 -1 0 0 2 14025 3300 14025 5025 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 4 1 1 1.00 90.00 180.00 9975 1500 10800 1500 11325 2100 11325 3825 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 1 4 1 1 1.00 90.00 180.00 1 1 1.00 90.00 180.00 9300 600 11175 600 11775 1275 11775 3300 2 3 0 4 33 32 50 -1 20 0.000 0 0 -1 0 0 5 8700 3300 8700 9900 15900 9900 15900 3300 8700 3300 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 0 1 5 1 1 1.00 90.00 180.00 13200 10800 13200 10200 14625 9750 14625 8400 14175 8400 2 1 0 3 0 7 49 -1 -1 0.000 1 0 -1 0 1 3 1 1 1.00 90.00 180.00 5325 5475 5325 5775 4950 6675 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 2 1 1 1.00 90.00 180.00 600 5400 600 3300 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 0 0 2 600 7800 600 5700 2 4 0 3 0 35 50 -1 20 0.000 1 0 7 0 0 5 5400 11400 3600 11400 3600 10800 5400 10800 5400 11400 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 2 1 1 1.00 60.00 120.00 12150 8400 12450 8400 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 2 1 1 1.00 60.00 120.00 11475 8400 11775 8400 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 2 1 1 1.00 60.00 120.00 10800 8400 11100 8400 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 2 1 1 1.00 60.00 120.00 12825 8400 13125 8400 2 1 0 3 0 7 49 -1 -1 8.000 1 0 -1 1 0 2 1 1 1.00 60.00 120.00 13500 8400 13800 8400 2 4 0 3 0 35 50 -1 20 0.000 1 0 7 0 0 5 2100 12600 1575 12600 1575 12300 2100 12300 2100 12600 2 4 0 3 33 32 50 -1 20 0.000 1 0 7 0 0 5 6900 12600 6375 12600 6375 12300 6900 12300 6900 12600 4 1 0 49 -1 4 14 1.5708 4 225 1335 450 825 application\001 4 0 0 49 -1 4 12 1.5708 4 180 2595 2850 3225 mux->subscribe(SUB_RECV)\001 4 1 0 46 -1 4 16 1.5708 4 210 645 3600 4200 rxbuf\001 4 1 0 46 -1 4 16 1.5708 4 210 615 4575 9375 dbuf\001 4 1 0 49 -1 4 16 0.0000 4 210 600 12300 7125 MUX\001 4 1 0 44 -1 4 16 0.0000 4 210 945 4500 8175 DEMUX\001 4 2 0 49 -1 4 12 0.0000 4 150 915 3600 8100 Stream ID\001 4 0 0 49 -1 4 12 0.0000 4 150 915 12825 7125 Stream ID\001 4 2 0 49 -1 4 12 0.0000 4 180 1635 3300 10125 tasklet_wakeup()\001 4 2 0 49 -1 4 12 0.0000 4 180 1635 12150 10125 tasklet_wakeup()\001 4 2 0 49 -1 4 12 0.0000 4 180 1470 11175 3150 mux->snd_buf()\001 4 0 0 49 -1 4 12 0.0000 4 180 1425 3675 3225 mux->rcv_buf()\001 4 0 0 49 -1 4 12 0.0000 4 180 1920 13425 10575 xprt->snd_buf(mbuf)\001 4 0 0 49 -1 4 12 0.0000 4 180 1830 4725 10500 xprt->rcv_buf(dbuf)\001 4 1 0 49 -1 4 12 0.0000 4 150 3105 8400 2100 HTX contents when mode==HTTP\001 4 2 0 49 -1 4 12 0.0000 4 180 1635 7500 450 tasklet_wakeup()\001 4 0 0 49 -1 4 12 0.0000 4 180 1635 9300 450 tasklet_wakeup()\001 4 1 38 48 -1 4 12 0.0000 4 150 750 9534 4200 encode\001 4 1 38 48 -1 4 12 0.0000 4 150 750 11325 4200 encode\001 4 1 38 48 -1 4 12 0.0000 4 150 750 13134 4200 encode\001 4 1 38 48 -1 4 12 0.0000 4 150 750 15009 4200 encode\001 4 1 38 48 -1 4 12 0.0000 4 150 765 1725 5250 decode\001 4 1 38 48 -1 4 12 0.0000 4 150 765 3525 5250 decode\001 4 1 38 48 -1 4 12 0.0000 4 150 765 5325 5250 decode\001 4 1 38 48 -1 4 12 0.0000 4 150 765 7200 5250 decode\001 4 1 38 48 -1 4 12 0.0000 4 180 1035 12375 9300 mux_io_cb\001 4 0 0 49 -1 4 12 1.5708 4 180 2580 12075 3225 mux->subscribe(SUB_SEND)\001 4 1 0 49 -1 4 14 1.5708 4 180 1425 450 4500 mux streams\001 4 1 0 49 -1 4 14 1.5708 4 135 1980 450 6750 mux=conn->mux\001 4 1 0 49 -1 4 18 0.0000 4 285 1335 4500 11175 Transport\001 4 1 0 46 -1 4 16 0.0000 4 210 690 14625 8175 mbuf\001 4 1 38 48 -1 4 12 0.0000 4 180 1035 3159 9300 mux_io_cb\001 4 0 0 49 -1 4 12 0.0000 4 195 2805 2250 12000 encoding/decoding function\001 4 0 0 49 -1 4 12 0.0000 4 180 1365 2250 12525 transport layer\001 4 0 0 49 -1 4 12 0.0000 4 180 2445 7050 12525 multiplexer (MUX/DEMUX)\001 4 0 0 49 -1 4 12 0.0000 4 195 2655 7050 12000 general processing function\001 4 0 0 49 -1 4 12 0.0000 4 180 2820 11775 12525 stream buffer (byte-level FIFO)\001 4 2 0 49 -1 4 12 0.0000 4 180 2550 3675 10725 xprt->subscribe(SUB_RECV)\001 4 2 0 49 -1 4 12 0.0000 4 180 2535 12225 10725 xprt->subscribe(SUB_SEND)\001 4 1 0 49 -1 4 14 1.5708 4 180 780 450 2550 stconn\001 4 1 0 49 -1 4 12 1.5708 4 195 2010 900 1125 (eg: checks, streams)\001 4 1 0 49 -1 4 14 1.5708 4 180 3720 450 10125 connection = sc->sedesc->conn\001 4 0 0 49 -1 4 12 0.0000 4 150 600 12225 225 Notes:\001 4 0 0 49 -1 4 12 0.0000 4 180 2220 12975 675 snd_buf() will move the\001 4 0 0 49 -1 4 12 0.0000 4 180 2310 12975 975 buffer (zero-copy) when\001 4 0 0 49 -1 4 12 0.0000 4 180 2310 12975 1275 the destination is empty.\001 4 0 0 49 -1 4 12 0.0000 4 180 2220 12825 1650 - the application is also\001 4 0 0 49 -1 4 12 0.0000 4 180 2700 12975 2250 is sc->app with sc->app_ops\001 4 0 0 49 -1 4 12 0.0000 4 180 2490 12825 2550 - transport layers (xprt) are\001 4 0 0 49 -1 4 12 0.0000 4 180 2250 12975 2775 stackable. conn->xprt is\001 4 0 0 49 -1 4 12 0.0000 4 180 1635 12975 3000 the topmost one.\001 4 0 0 49 -1 4 12 0.0000 4 180 2400 12975 1950 called the app layer and\001 4 0 0 49 -1 4 12 0.0000 4 180 1995 12825 375 - mux->rcv_buf() and\001 4 1 38 48 -1 4 12 0.0000 4 180 1440 8409 657 sc_conn_io_cb\001