/
main.go
141 lines (122 loc) · 3.63 KB
/
main.go
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package main
import (
"fmt"
"strings"
"time"
"tinygo.org/x/drivers/net"
"tinygo.org/x/drivers/net/tls"
"tinygo.org/x/drivers/rtl8720dn"
)
// You can override the setting with the init() in another source code.
// func init() {
// ssid = "your-ssid"
// password = "your-password"
// debug = true
// server = "tinygo.org"
// test_root_ca = "..."
// }
var (
ssid string
password string
server string = "www.example.com"
debug = false
)
// Set the test_root_ca created by the following command
// $ openssl s_client -showcerts -verify 5 -connect www.example.com:443 < /dev/null
var test_root_ca = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
`
var buf [0x400]byte
var lastRequestTime time.Time
var conn net.Conn
var adaptor *rtl8720dn.RTL8720DN
func main() {
err := run()
for err != nil {
fmt.Printf("error: %s\r\n", err.Error())
time.Sleep(5 * time.Second)
}
}
func run() error {
rtl, err := setupRTL8720DN()
if err != nil {
return err
}
rtl.SetRootCA(&test_root_ca)
net.UseDriver(rtl)
err = rtl.ConnectToAP(ssid, password)
if err != nil {
return err
}
ip, subnet, gateway, err := rtl.GetIP()
if err != nil {
return err
}
fmt.Printf("IP Address : %s\r\n", ip)
fmt.Printf("Mask : %s\r\n", subnet)
fmt.Printf("Gateway : %s\r\n", gateway)
cnt := 0
for {
readConnection()
if time.Now().Sub(lastRequestTime).Milliseconds() >= 10000 {
makeHTTPSRequest()
cnt++
fmt.Printf("-------- %d --------\r\n", cnt)
}
}
}
func readConnection() {
if conn != nil {
for n, err := conn.Read(buf[:]); n > 0; n, err = conn.Read(buf[:]) {
if err != nil {
println("Read error: " + err.Error())
} else {
print(string(buf[0:n]))
}
}
}
}
func makeHTTPSRequest() {
var err error
if conn != nil {
conn.Close()
}
message("\r\n---------------\r\nDialing TCP connection")
conn, err = tls.Dial("tcp", server, nil)
for ; err != nil; conn, err = tls.Dial("tcp", server, nil) {
message("Connection failed: " + err.Error())
time.Sleep(5 * time.Second)
}
println("Connected!\r")
print("Sending HTTPS request...")
fmt.Fprintln(conn, "GET / HTTP/1.1")
fmt.Fprintln(conn, "Host:", strings.Split(server, ":")[0])
fmt.Fprintln(conn, "User-Agent: TinyGo")
fmt.Fprintln(conn, "Connection: close")
fmt.Fprintln(conn)
println("Sent!\r\n\r")
lastRequestTime = time.Now()
}
func message(msg string) {
println(msg, "\r")
}