module usockets

#flag -DLIBUS_USE_LIBUV
#flag -DLIBUS_NO_SSL
#flag -IC:/Users/admin/.vmodules/hono/usockets/include
#flag -LC:/Users/admin/.vmodules/hono/usockets/lib
#flag C:/Users/admin/.vmodules/hono/usockets/lib/libusockets_full.a
#flag -lws2_32 -liphlpapi -lpsapi -luserenv -lole32

#include "libusockets.h"

pub type Loop = &C.us_loop_t
pub type SocketContext = &C.us_socket_context_t
pub type Socket = &C.us_socket_t
pub type ListenSocket = &C.us_listen_socket_t

struct C.us_loop_t {}
struct C.us_socket_context_t {}
struct C.us_socket_t {}
struct C.us_listen_socket_t {}

struct C.us_socket_context_options_t {
key_file_name         voidptr
cert_file_name        voidptr
passphrase            voidptr
dh_params_file_name   voidptr
ca_file_name          voidptr
ssl_ciphers           voidptr
ssl_prefer_low_memory_usage int
}

fn C.us_create_loop(hint voidptr, wakeup_cb voidptr, pre_cb voidptr, post_cb voidptr, ext_size u32) Loop
fn C.us_loop_free(loop Loop)
fn C.us_loop_run(loop Loop)

fn C.us_create_socket_context(ssl int, loop Loop, ext_size int, options C.us_socket_context_options_t) SocketContext
fn C.us_socket_context_free(ssl int, context SocketContext)
fn C.us_socket_context_on_open(ssl int, context SocketContext, on_open voidptr)
fn C.us_socket_context_on_close(ssl int, context SocketContext, on_close voidptr)
fn C.us_socket_context_on_data(ssl int, context SocketContext, on_data voidptr)
fn C.us_socket_context_on_writable(ssl int, context SocketContext, on_writable voidptr)
fn C.us_socket_context_on_timeout(ssl int, context SocketContext, on_timeout voidptr)
fn C.us_socket_context_on_end(ssl int, context SocketContext, on_end voidptr)
fn C.us_socket_context_listen(ssl int, context SocketContext, host voidptr, port int, options int, socket_ext_size int) ListenSocket

fn C.us_socket_write(ssl int, socket Socket, data &char, length int, msg_more int) int
fn C.us_socket_shutdown(ssl int, socket Socket)
fn C.us_socket_close(ssl int, socket Socket, code int, reason voidptr) Socket

fn C.us_listen_socket_close(ssl int, ls ListenSocket)

fn empty_wakeup(loop Loop) {}
fn empty_pre(loop Loop) {}
fn empty_post(loop Loop) {}

pub fn create_loop() Loop {
return C.us_create_loop(unsafe { nil }, empty_wakeup, empty_pre, empty_post, 0)
}

pub fn (l Loop) run() { C.us_loop_run(l) }
pub fn (l Loop) free() { C.us_loop_free(l) }

pub fn create_socket_context(loop Loop) SocketContext {
options := C.us_socket_context_options_t{}
return C.us_create_socket_context(0, loop, 0, options)
}

pub fn (ctx SocketContext) free() { C.us_socket_context_free(0, ctx) }
pub fn (ctx SocketContext) on_open(h voidptr) { C.us_socket_context_on_open(0, ctx, h) }
pub fn (ctx SocketContext) on_close(h voidptr) { C.us_socket_context_on_close(0, ctx, h) }
pub fn (ctx SocketContext) on_data(h voidptr) { C.us_socket_context_on_data(0, ctx, h) }
pub fn (ctx SocketContext) on_writable(h voidptr) { C.us_socket_context_on_writable(0, ctx, h) }
pub fn (ctx SocketContext) on_timeout(h voidptr) { C.us_socket_context_on_timeout(0, ctx, h) }
pub fn (ctx SocketContext) on_end(h voidptr) { C.us_socket_context_on_end(0, ctx, h) }
pub fn (ctx SocketContext) listen(port int) ListenSocket {
return C.us_socket_context_listen(0, ctx, unsafe { nil }, port, 0, 0)
}

pub fn (s Socket) write_bytes(data string) int { return C.us_socket_write(0, s, data.str, data.len, 0) }
pub fn (s Socket) shutdown() { C.us_socket_shutdown(0, s) }
pub fn (s Socket) close() Socket { return C.us_socket_close(0, s, 0, unsafe { nil }) }

pub fn (ls ListenSocket) close() { C.us_listen_socket_close(0, ls) }
pub fn (ls ListenSocket) is_valid() bool { return ls != unsafe { nil } }