/*

 * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

#ifndef SUN_NIO_CH_SCTP_H

#define SUN_NIO_CH_SCTP_H

#ifdef __solaris__

#define _XPG4_2

#define __EXTENSIONS__

#include <sys/socket.h>

#include <netinet/sctp.h>

#include "jni.h"

/* Current Solaris headers don't comply with draft rfc */

#ifndef SCTP_EOF

#define SCTP_EOF MSG_EOF

#endif

#ifndef SCTP_UNORDERED

#define SCTP_UNORDERED MSG_UNORDERED

#endif

/* The current version of the socket API extension shipped with Solaris does

 * not define the following options that the Java API (optionally) supports */

#ifndef SCTP_EXPLICIT_EOR

#define SCTP_EXPLICIT_EOR -1

#endif

#ifndef SCTP_FRAGMENT_INTERLEAVE

#define SCTP_FRAGMENT_INTERLEAVE -1

#endif

#ifndef SCTP_SET_PEER_PRIMARY_ADDR

#define SCTP_SET_PEER_PRIMARY_ADDR -1

#endif

/* Function types to support dynamic linking of socket API extension functions

 * for SCTP. This is so that there is no linkage depandancy during build or

 * runtime for libsctp.*/

typedef int sctp_getladdrs_func(int sock, sctp_assoc_t id, void **addrs);

typedef int sctp_freeladdrs_func(void* addrs);

typedef int sctp_getpaddrs_func(int sock, sctp_assoc_t id, void **addrs);

typedef int sctp_freepaddrs_func(void *addrs);

typedef int sctp_bindx_func(int sock, void *addrs, int addrcnt, int flags);

#else /* __linux__ */

#include <stdint.h>

#include <linux/types.h>

#include <sys/socket.h>

#include <netinet/in.h>

#include "jni.h"

//Causes compiler error if not found, should make warning and uncomment

/*#include <netinet/sctp.h>*/

#ifndef IPPROTO_SCTP

#define IPPROTO_SCTP    132

#endif

/* The current version of lksctp does

 * not define the following option that the Java API (optionally) supports */

#ifndef SCTP_EXPLICIT_EOR

#define SCTP_EXPLICIT_EOR -1

#endif

/* Definitions taken from lksctp-tools-1.0.8/src/include/netinet/sctp.h */

#ifndef SCTP_INITMSG

enum sctp_optname {

        SCTP_RTOINFO,

#define SCTP_RTOINFO SCTP_RTOINFO

        SCTP_ASSOCINFO,

#define SCTP_ASSOCINFO SCTP_ASSOCINFO

        SCTP_INITMSG,

#define SCTP_INITMSG SCTP_INITMSG

        SCTP_NODELAY,   /* Get/set nodelay option. */

#define SCTP_NODELAY    SCTP_NODELAY

        SCTP_AUTOCLOSE,

#define SCTP_AUTOCLOSE SCTP_AUTOCLOSE

        SCTP_SET_PEER_PRIMARY_ADDR,

#define SCTP_SET_PEER_PRIMARY_ADDR SCTP_SET_PEER_PRIMARY_ADDR

        SCTP_PRIMARY_ADDR,

#define SCTP_PRIMARY_ADDR SCTP_PRIMARY_ADDR

        SCTP_ADAPTATION_LAYER,

#define SCTP_ADAPTATION_LAYER SCTP_ADAPTATION_LAYER

        SCTP_DISABLE_FRAGMENTS,

#define SCTP_DISABLE_FRAGMENTS SCTP_DISABLE_FRAGMENTS

        SCTP_PEER_ADDR_PARAMS,

#define SCTP_PEER_ADDR_PARAMS SCTP_PEER_ADDR_PARAMS

        SCTP_DEFAULT_SEND_PARAM,

#define SCTP_DEFAULT_SEND_PARAM SCTP_DEFAULT_SEND_PARAM

        SCTP_EVENTS,

#define SCTP_EVENTS SCTP_EVENTS

        SCTP_I_WANT_MAPPED_V4_ADDR,  /* Turn on/off mapped v4 addresses  */

#define SCTP_I_WANT_MAPPED_V4_ADDR SCTP_I_WANT_MAPPED_V4_ADDR

        SCTP_MAXSEG,    /* Get/set maximum fragment. */

#define SCTP_MAXSEG     SCTP_MAXSEG

        SCTP_STATUS,

#define SCTP_STATUS SCTP_STATUS

        SCTP_GET_PEER_ADDR_INFO,

#define SCTP_GET_PEER_ADDR_INFO SCTP_GET_PEER_ADDR_INFO

        SCTP_DELAYED_ACK_TIME,

#define SCTP_DELAYED_ACK_TIME SCTP_DELAYED_ACK_TIME

        SCTP_CONTEXT,   /* Receive Context */

#define SCTP_CONTEXT SCTP_CONTEXT

        SCTP_FRAGMENT_INTERLEAVE,

#define SCTP_FRAGMENT_INTERLEAVE SCTP_FRAGMENT_INTERLEAVE

        SCTP_PARTIAL_DELIVERY_POINT,    /* Set/Get partial delivery point */

#define SCTP_PARTIAL_DELIVERY_POINT SCTP_PARTIAL_DELIVERY_POINT

        SCTP_MAX_BURST,         /* Set/Get max burst */

#define SCTP_MAX_BURST SCTP_MAX_BURST

};

enum sctp_sac_state {

        SCTP_COMM_UP,

        SCTP_COMM_LOST,

        SCTP_RESTART,

        SCTP_SHUTDOWN_COMP,

        SCTP_CANT_STR_ASSOC,

};

enum sctp_spc_state {

        SCTP_ADDR_AVAILABLE,

        SCTP_ADDR_UNREACHABLE,

        SCTP_ADDR_REMOVED,

        SCTP_ADDR_ADDED,

        SCTP_ADDR_MADE_PRIM,

        SCTP_ADDR_CONFIRMED,

};

enum sctp_sinfo_flags {

        SCTP_UNORDERED = 1,  /* Send/receive message unordered. */

        SCTP_ADDR_OVER = 2,  /* Override the primary destination. */

        SCTP_ABORT=4,        /* Send an ABORT message to the peer. */

        SCTP_EOF=MSG_FIN,    /* Initiate graceful shutdown process. */

};

enum sctp_sn_type {

        SCTP_SN_TYPE_BASE     = (1<<15),

        SCTP_ASSOC_CHANGE,

        SCTP_PEER_ADDR_CHANGE,

        SCTP_SEND_FAILED,

        SCTP_REMOTE_ERROR,

        SCTP_SHUTDOWN_EVENT,

        SCTP_PARTIAL_DELIVERY_EVENT,

        SCTP_ADAPTATION_INDICATION,

};

typedef enum sctp_cmsg_type {

        SCTP_INIT,              /* 5.2.1 SCTP Initiation Structure */

#define SCTP_INIT SCTP_INIT

        SCTP_SNDRCV,            /* 5.2.2 SCTP Header Information Structure */

#define SCTP_SNDRCV SCTP_SNDRCV

} sctp_cmsg_t;

enum sctp_msg_flags {

        MSG_NOTIFICATION = 0x8000,

#define MSG_NOTIFICATION MSG_NOTIFICATION

};

#define SCTP_BINDX_ADD_ADDR 0x01

#define SCTP_BINDX_REM_ADDR 0x02

typedef __s32 sctp_assoc_t;

struct sctp_initmsg {

        __u16 sinit_num_ostreams;

        __u16 sinit_max_instreams;

        __u16 sinit_max_attempts;

        __u16 sinit_max_init_timeo;

};

struct sctp_sndrcvinfo {

        __u16 sinfo_stream;

        __u16 sinfo_ssn;

        __u16 sinfo_flags;

        __u32 sinfo_ppid;

        __u32 sinfo_context;

        __u32 sinfo_timetolive;

        __u32 sinfo_tsn;

        __u32 sinfo_cumtsn;

        sctp_assoc_t sinfo_assoc_id;

};

struct sctp_event_subscribe {

        __u8 sctp_data_io_event;

        __u8 sctp_association_event;

        __u8 sctp_address_event;

        __u8 sctp_send_failure_event;

        __u8 sctp_peer_error_event;

        __u8 sctp_shutdown_event;

        __u8 sctp_partial_delivery_event;

        __u8 sctp_adaptation_layer_event;

};

struct sctp_send_failed {

        __u16 ssf_type;

        __u16 ssf_flags;

        __u32 ssf_length;

        __u32 ssf_error;

        struct sctp_sndrcvinfo ssf_info;

        sctp_assoc_t ssf_assoc_id;

        __u8 ssf_data[0];

};

struct sctp_assoc_change {

        __u16 sac_type;

        __u16 sac_flags;

        __u32 sac_length;

        __u16 sac_state;

        __u16 sac_error;

        __u16 sac_outbound_streams;

        __u16 sac_inbound_streams;

        sctp_assoc_t sac_assoc_id;

        __u8 sac_info[0];

};

struct sctp_shutdown_event {

        __u16 sse_type;

        __u16 sse_flags;

        __u32 sse_length;

        sctp_assoc_t sse_assoc_id;

};

struct sctp_paddr_change {

        __u16 spc_type;

        __u16 spc_flags;

        __u32 spc_length;

        struct sockaddr_storage spc_aaddr;

        int spc_state;

        int spc_error;

        sctp_assoc_t spc_assoc_id;

} __attribute__((packed, aligned(4)));

struct sctp_remote_error {

        __u16 sre_type;

        __u16 sre_flags;

        __u32 sre_length;

        __u16 sre_error;

        sctp_assoc_t sre_assoc_id;

        __u8 sre_data[0];

};

struct sctp_adaptation_event {

        __u16 sai_type;

        __u16 sai_flags;

        __u32 sai_length;

        __u32 sai_adaptation_ind;

        sctp_assoc_t sai_assoc_id;

};

struct sctp_setprim {

        sctp_assoc_t            ssp_assoc_id;

        struct sockaddr_storage ssp_addr;

} __attribute__((packed, aligned(4)));

struct sctp_setpeerprim {

        sctp_assoc_t            sspp_assoc_id;

        struct sockaddr_storage sspp_addr;

} __attribute__((packed, aligned(4)));

struct sctp_pdapi_event {

        __u16 pdapi_type;

        __u16 pdapi_flags;

        __u32 pdapi_length;

        __u32 pdapi_indication;

        sctp_assoc_t pdapi_assoc_id;

};

union sctp_notification {

        struct {

                __u16 sn_type;             /* Notification type. */

                __u16 sn_flags;

                __u32 sn_length;

        } sn_header;

        struct sctp_assoc_change sn_assoc_change;

        struct sctp_paddr_change sn_paddr_change;

        struct sctp_remote_error sn_remote_error;

        struct sctp_send_failed sn_send_failed;

        struct sctp_shutdown_event sn_shutdown_event;

        struct sctp_adaptation_event sn_adaptation_event;

        struct sctp_pdapi_event sn_pdapi_event;

};

#endif /* SCTP_INITMSG */

/* Function types to support dynamic linking of socket API extension functions

 * for SCTP. This is so that there is no linkage depandancy during build or

 * runtime for libsctp.*/

typedef int sctp_getladdrs_func(int sd, sctp_assoc_t id, struct sockaddr **addrs);

typedef int sctp_freeladdrs_func(struct sockaddr *addrs);

typedef int sctp_getpaddrs_func(int sd, sctp_assoc_t id, struct sockaddr **addrs);

typedef int sctp_freepaddrs_func(struct sockaddr *addrs);

typedef int sctp_bindx_func(int sd, struct sockaddr *addrs, int addrcnt, int flags);

#endif /* __linux__ */

sctp_getladdrs_func* nio_sctp_getladdrs;

sctp_freeladdrs_func* nio_sctp_freeladdrs;

sctp_getpaddrs_func* nio_sctp_getpaddrs;

sctp_freepaddrs_func* nio_sctp_freepaddrs;

sctp_bindx_func* nio_sctp_bindx;

jboolean loadSocketExtensionFuncs(JNIEnv* env);

#endif /* !SUN_NIO_CH_SCTP_H */