git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4234 818b1a75-f10b-46b9-bf7c-635c3b92a50f

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+/*****************************************************************************
+			Eurecom OpenAirInterface 3
+			Copyright(c) 2012 Eurecom
+
+Source		user_api.h
+
+Version		0.1
+
+Date		2012/02/28
+
+Product		NAS stack
+
+Subsystem	Application Programming Interface
+
+Author		Frederic Maurel
+
+Description	Implements the API used by the NAS layer running in the UE
+		to send/receive message to/from the user application layer
+
+*****************************************************************************/
+#ifndef __USER_API_H__
+#define __USER_API_H__
+
+#include "commonDef.h"
+#include "networkDef.h"
+
+/****************************************************************************/
+/*********************  G L O B A L    C O N S T A N T S  *******************/
+/****************************************************************************/
+
+/****************************************************************************/
+/************************  G L O B A L    T Y P E S  ************************/
+/****************************************************************************/
+
+/****************************************************************************/
+/********************  G L O B A L    V A R I A B L E S  ********************/
+/****************************************************************************/
+
+/****************************************************************************/
+/******************  E X P O R T E D    F U N C T I O N S  ******************/
+/****************************************************************************/
+
+int user_api_initialize(const char* host, const char* port, const char* devname, const char* devparams);
+
+int user_api_emm_callback(Stat_t stat, tac_t tac, ci_t ci, AcT_t AcT, const char* data, size_t size);
+int user_api_esm_callback(int cid, network_pdn_state_t state);
+
+int user_api_get_fd(void);
+const void* user_api_get_data(int index);
+
+int user_api_read_data(int fd);
+int user_api_send_data(int fd, int length);
+void user_api_close(int fd);
+
+int user_api_decode_data(int length);
+int user_api_encode_data(const void* data, int add_success_code);
+
+#endif /* __USER_API_H__ */