56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
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package net_utils
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import (
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"bufio"
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"io"
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"net"
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"strconv"
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"strings"
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)
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/*
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May be useful if you need to download/upload something asyncroniously
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or if needed to use HTTP ontop of some unusual protocol like UNIX Sockets,
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UDP (are u insane?) or QUIC (WTF aren't u using HTTPv3 then?)
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*/
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// Optimised to read only response codes
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// Reads response codes until getting EOF or error
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func ConnHttpReadRespCodes(conn net.Conn) (codes []int, err error) {
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reader := bufio.NewReader(conn)
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for {
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var line string
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line, err = reader.ReadString('\n')
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if err != nil && err == io.EOF {
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break
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} else if err != nil {
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return codes, err
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}
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if strings.HasPrefix(line, "HTTP/") {
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parts := strings.Split(line, " ")
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if len(parts) < 2 {
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continue
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}
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if code, err := strconv.Atoi(parts[1]); err == nil {
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codes = append(codes, code)
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}
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}
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for {
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line, err := reader.ReadString('\n')
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if err != nil && err == io.EOF {
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return codes, nil
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} else if err != nil {
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return codes, err
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}
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if line == "\r\n" || line == "\n" {
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break // End of headers
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}
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}
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}
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return codes, err
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}
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