add socket service. (WIP, untested)

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "znet"]
+	path = znet
+	url = https://github.com/starwing/znet.git

loki_services.h

@@ -35,13 +35,57 @@ LK_API void lk_starttimer  (lk_Timer *timer, lk_Time delayms);
 LK_API void lk_canceltimer (lk_Timer *timer);
 
 
+/* socket service */
+
+LKMOD_API int loki_service_socket(lk_State *S);
+
+typedef struct lk_Accept lk_Accept;
+typedef struct lk_Tcp    lk_Tcp;
+typedef struct lk_Udp    lk_Udp;
+
+typedef void lk_TcpHandler (lk_State *S, void *ud, unsigned err, lk_Tcp *tcp);
+typedef void lk_UdpHandler (lk_State *S, void *ud, unsigned err, lk_Udp *udp);
+
+typedef size_t lk_HeaderHandler   (lk_State *S, void *ud, lk_Tcp *tcp, const char *buff, size_t len);
+typedef void   lk_PacketHandler   (lk_State *S, void *ud, lk_Tcp *tcp, const char *buff, size_t len);
+typedef void   lk_RecvFromHandler (lk_State *S, void *ud, lk_Udp *udp, unsigned err,
+                                   const char *buff, unsigned count,
+                                   const char *addr, unsigned port);
+
+LK_API void lk_setheaderhandler   (lk_Service *svr, lk_HeaderHandler *h, void *ud);
+LK_API void lk_setpackethandler   (lk_Service *svr, lk_PacketHandler *h, void *ud);
+LK_API void lk_setrecvfromhandler (lk_Service *svr, lk_RecvFromHandler *h, void *ud);
+
+LK_API lk_Accept *lk_newaccept (lk_Service *svr, lk_TcpHandler *h, void *ud);
+LK_API void       lk_delaccept (lk_Accept *accept);
+
+LK_API void lk_listen (lk_Accept *accept, const char *addr, unsigned port);
+
+LK_API void lk_connect (lk_Service *svr, const char *addr, unsigned port,
+                        lk_TcpHandler *h, void *ud);
+LK_API void lk_deltcp  (lk_Tcp *tcp);
+
+LK_API unsigned lk_getsession (lk_Tcp *tcp);
+LK_API void     lk_setsession (lk_Tcp *tcp, unsigned session);
+
+LK_API void lk_send (lk_Tcp *tcp, const char *buff, unsigned size);
+
+LK_API void lk_bindudp (lk_Service *svr, const char *addr, unsigned port,
+                        lk_UdpHandler *h, void *ud);
+LK_API void lk_deludp  (lk_Udp *udp);
+
+LK_API void lk_sendto (lk_Udp *udp, const char *buff, unsigned len,
+                       const char *addr, unsigned port);
+
+
 #endif /* loki_services_h */
 
 #if defined(LOKI_IMPLEMENTATION) && !defined(loki_services_implemented)
 #define loki_services_implemented
 
 LK_API int lk_openlibs(lk_State *S) {
-    lk_preload(S, "timer", loki_service_timer);
+    lk_preload(S, "timer",  loki_service_timer);
+    lk_preload(S, "socket", loki_service_socket);
     return LK_OK;
 }
 

lokilib.c

@@ -0,0 +1,2 @@
+#define LOKI_IMPLEMENTATION
+#include "loki_services.h"