--- libaitio/inc/aitio.h	2013/07/09 00:35:35	1.33
+++ libaitio/inc/aitio.h	2013/08/13 00:17:28	1.34
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitio.h,v 1.33 2013/07/09 00:35:35 misho Exp $
+* $Id: aitio.h,v 1.34 2013/08/13 00:17:28 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -61,18 +61,65 @@ SUCH DAMAGE.
 #include <net/if_dl.h>
 #include <net/bpf.h>
 #include <netinet/in.h>
+#include <elwix.h>
 
 
 #ifndef STRSIZ
-#define STRSIZ		256
+#define STRSIZ			256
 #endif
 
+#define IO_SOCK_ROLE_CLIENT	0
+#define IO_SOCK_ROLE_SERVER	1
 
+
+typedef struct {
+	int		sock_role;
+	int		sock_backq;
+	int		sock_type;
+	int		sock_proto;
+	int 		sock_fd;
+	sockaddr_t	sock_addr;
+
+	sockaddr_t	sock_peer;
+
+	ait_val_t	sock_buf;
+} sock_t;
+
+
 // io_GetErrno() Get error code of last operation
 int io_GetErrno();
 // io_GetError() Get error text of last operation
 const char *io_GetError();
 
+
+/*
+ * ioInitSocket() - Init socket and allocate resources
+ *
+ * @role = Socket role
+ * @type = Socket type
+ * @proto = Socket protocol
+ * @addr = Bind to address
+ * @port = Bind to port
+ * @buflen = Socket buffer, optional if =0 == BUFSIZ
+ * return: NULL error or !=NULL created socket
+ */
+sock_t *ioInitSocket(int role, int type, int proto, 
+		const char *addr, unsigned short port, size_t buflen);
+/*
+ * ioCloseSocket() - Close socket and free resources
+ *
+ * @s = Socket
+ * return: none
+ */
+void ioCloseSocket(sock_t ** __restrict s);
+/*
+ * ioUpSocket() - Setup socket for use
+ *
+ * @s = Socket
+ * @arg = Server role = listen backlog queue and Client role = peer address
+ * return: -1 error or 0 ok
+ */
+int ioUpSocket(sock_t * __restrict s, void *arg);
 
 /*
  * ioPromptRead() - Read data from input h[0] with prompt to output h[1]