Files
llgo/_demo/socket/client/client.go
2024-07-12 23:37:55 +08:00

33 lines
814 B
Go

package main
import (
"unsafe"
"github.com/goplus/llgo/c"
"github.com/goplus/llgo/c/os"
"github.com/goplus/llgo/c/socket"
)
func main() {
sockfd := socket.Socket(socket.AF_INET, socket.SOCK_STREAM, 0)
msg := c.Str("Hello, World!")
defer os.Close(sockfd)
server := socket.GetHostByName(c.Str("localhost"))
if server == nil {
c.Perror(c.Str("hostname get error"))
return
}
servAddr := &socket.SockaddrIn{}
servAddr.Family = socket.AF_INET
servAddr.Port = socket.Htons(uint16(1234))
c.Memcpy(unsafe.Pointer(&servAddr.Addr.Addr), unsafe.Pointer(*server.AddrList), uintptr(server.Length))
if res := socket.Connect(sockfd, (*socket.SockAddr)(unsafe.Pointer(servAddr)), c.Uint(16)); res < 0 {
c.Perror(c.Str("connect error"))
return
}
os.Write(sockfd, unsafe.Pointer(msg), c.Strlen(msg))
}