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picoev: improve raw mode, change fn signature for the
raw_cb
field …
…to `fn (mut Picoev, int)` (#19817)
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,39 @@ | ||
module main | ||
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import net | ||
import picoev | ||
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const ( | ||
port = 8080 | ||
http_response = 'HTTP/1.1 200 OK\r\nContent-type: text/html\r\nContent-length: 18\r\n\r\nHello from Picoev!' | ||
) | ||
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fn main() { | ||
println('Starting webserver on http://localhost:${port}/ ...') | ||
mut pico := picoev.new( | ||
port: port | ||
raw_cb: handle_conn | ||
) | ||
pico.serve() | ||
} | ||
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fn handle_conn(mut pv picoev.Picoev, fd int) { | ||
// setup a nonblocking tcp connection | ||
mut conn := &net.TcpConn{ | ||
sock: net.tcp_socket_from_handle_raw(fd) | ||
handle: fd | ||
is_blocking: false | ||
} | ||
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mut buf := []u8{len: 4096} | ||
// read data from the tcp connection | ||
conn.read(mut buf) or { eprintln('could not read data from socket') } | ||
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println('received data:') | ||
println(buf.bytestr()) | ||
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conn.write(http_response.bytes()) or { eprintln('could not write response') } | ||
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// remove the socket from picoev's event loop and close the connection | ||
pv.close_conn(fd) | ||
} |
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