httpserver/httpserver/main.go

103 lines
4.1 KiB
Go

package main
import (
"fmt"
"git.ailur.dev/ailur/httpserver"
"os"
"strconv"
"strings"
)
func handleErr(err error, errCode int) {
if err != nil {
if err.Error() == "address already in use" {
fmt.Println("OSError: [Errno 98] Address already in use")
os.Exit(1)
} else if err.Error() == "invalid port" {
fmt.Println("socket.gaierror: [Errno -8] Servname not supported for ai_socktype")
os.Exit(1)
} else if err.Error() == "permission denied" {
fmt.Println("PermissionError: [Errno 13] Permission denied")
os.Exit(1)
} else {
fmt.Println("Unknown error:", err)
os.Exit(errCode)
}
} else {
os.Exit(errCode)
}
}
func main() {
if len(os.Args) < 2 {
err, errCode := httpserver.StartServer("8000", "./", "0.0.0.0", "1.0", -1)
handleErr(err, errCode)
} else {
args := os.Args[1:]
protocolVer, path, address, port := "1.0", "./", "0.0.0.0", "8000"
throttleRate := int64(-1)
for num, arg := range args {
if strings.Contains(arg, "-") {
if strings.Contains(arg, "-p") || strings.Contains(arg, "--protocol") {
if len(args) > num+1 {
protocolVer = args[num+1]
args = append(args[:num+1], args[num+2:]...)
} else {
fmt.Println("usage: httpserver [-h] [--cgi] [-b ADDRESS] [-d DIRECTORY] [-p VERSION] [-t RATE] [port]\nhttpserver: error: argument -p/--protocol: expected one argument")
os.Exit(2)
}
} else if strings.Contains(arg, "-d") || strings.Contains(arg, "--directory") {
if len(args) > num+1 {
path = args[num+1]
args = append(args[:num+1], args[num+2:]...)
} else {
fmt.Println("usage: httpserver [-h] [--cgi] [-b ADDRESS] [-d DIRECTORY] [-p VERSION] [-t RATE] [port]\nhttpserver: error: argument -d/--directory: expected one argument")
os.Exit(2)
}
} else if strings.Contains(arg, "-b") || strings.Contains(arg, "--bind") {
if len(args) > num+1 {
address = args[num+1]
args = append(args[:num+1], args[num+2:]...)
} else {
fmt.Println("usage: httpserver [-h] [--cgi] [-b ADDRESS] [-d DIRECTORY] [-p VERSION] [-t RATE] [port]\nhttpserver: error: argument -b/--bind: expected one argument")
os.Exit(2)
}
} else if strings.Contains(arg, "-t") || strings.Contains(arg, "--throttle") {
if len(args) > num+1 {
var err error
throttleRate, err = strconv.ParseInt(args[num+1], 10, 64)
if err != nil {
fmt.Println("usage: httpserver [-h] [-b ADDRESS] [-d DIRECTORY] [-p VERSION] [-t RATE] [port]\nhttpserver: error: argument -t/--throttle: invalid int value: '" + args[num+1] + "'")
os.Exit(2)
}
} else {
fmt.Println("usage: httpserver [-h] [-b ADDRESS] [-d DIRECTORY] [-p VERSION] [-t RATE] [port]\nhttpserver: error: argument -t/--throttle: expected one argument")
os.Exit(2)
}
} else if strings.Contains(arg, "-h") || strings.Contains(arg, "--help") {
fmt.Println("usage: httpserver [-h] [-b ADDRESS] [-d DIRECTORY] [-p VERSION] [-t RATE] [port]\n\npositional arguments:\n port bind to this port (default: 8000)\n\noptions:\n -h, --help show this help message and exit\n -b ADDRESS, --bind ADDRESS\n bind to this address (default: all interfaces)\n -d DIRECTORY, --directory DIRECTORY\n serve this directory (default: current directory)\n -p VERSION, --protocol VERSION\n conform to this HTTP version (default: HTTP/1.0)")
os.Exit(0)
} else {
fmt.Println("usage: httpserver [-h] [-b ADDRESS] [-d DIRECTORY] [-p VERSION] [-t RATE] [port]")
fmt.Println("httpserver: error: unrecognized arguments: " + arg)
os.Exit(2)
}
} else {
if len(args) >= num+1 {
if args[num] == arg {
_, err := strconv.Atoi(arg)
if err != nil {
fmt.Println("usage: httpserver [-h] [-b ADDRESS] [-d DIRECTORY] [-p VERSION] [-t RATE] [port]")
fmt.Println("httpserver: error: argument port: invalid int value: '" + arg + "'")
os.Exit(2)
} else {
port = arg
}
}
}
}
}
err, errCode := httpserver.StartServer(port, path, address, protocolVer, throttleRate)
handleErr(err, errCode)
}
}