Created
October 24, 2014 04:19
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websocketFinal.sh
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| #!/bin/bash | |
| stty -F /dev/ttyUSB0 speed 115200 cs8 -cstopb -parenb | |
| coproc d { nc -l -p 81 -q 0; } | |
| echo $$ | |
| until read line; line=`tr -d '\r\n'<<<$line`; test -z "$line"; do | |
| test "${line:0:18}" = "Sec-WebSocket-Key:" && key=${line:19} | |
| test "${line:0:22}" = "Sec-WebSocket-Version:" && ver=$line | |
| done <&${d[0]} | |
| rkey=`echo -n ${key}258EAFA5-E914-47DA-95CA-C5AB0DC85B11|openssl dgst -sha1 -binary|base64` | |
| echo -ne "HTTP/1.1 101 Switching Protocols\r\n" >&${d[1]} | |
| echo -ne "Upgrade: websocket\r\nConnection: Upgrade\r\n" >&${d[1]} | |
| echo -ne "Sec-WebSocket-Accept: $rkey\r\n$ver\r\n\r\n" >&${d[1]} | |
| while true; do | |
| sleep 5 | |
| while read line | |
| do | |
| if [ ! -z "$line" ]; then | |
| size=`expr ${#line} + 2`; | |
| printf -v hexSize "%x" "$size" | |
| printf "\\x81\\x$hexSize$line\r\n" >&${d[1]} | |
| # sleep 1 | |
| fi | |
| done </dev/ttyUSB0 | |
| done | |
| #while true; do | |
| #echo -ne "\x81\x7hello\r\n" >&${d[1]} | |
| #sleep 1 | |
| #echo -ne "\x81\x7mello\r\n" >&${d[1]} | |
| #sleep 1 | |
| #done |
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