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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2018-2018. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*
* ----------------------------------------------------------------------
* Purpose : Utility "stuff" for socket and net.
* ----------------------------------------------------------------------
*
*/
#ifndef SOCKET_INT_H__
#define SOCKET_INT_H__
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef __WIN32__
/* All this just to replace sys/socket.h, netinet/in.h and sys/un.h??? */
#define INCL_WINSOCK_API_TYPEDEFS 1
#ifndef WINDOWS_H_INCLUDES_WINSOCK2_H
#include <winsock2.h>
#endif
#include <windows.h>
#include <Ws2tcpip.h> /* NEED VC 6.0 or higher */
/* Visual studio 2008+: NTDDI_VERSION needs to be set for iphlpapi.h
* to define the right structures. It needs to be set to WINXP (or LONGHORN)
* for IPV6 to work and it's set lower by default, so we need to change it.
*/
#ifdef HAVE_SDKDDKVER_H
# include <sdkddkver.h>
# ifdef NTDDI_VERSION
# undef NTDDI_VERSION
# endif
# define NTDDI_VERSION NTDDI_WINXP
#endif
#include <iphlpapi.h>
#else /* !__WIN32__ */
#include <sys/socket.h>
#include <netinet/in.h>
#ifdef HAVE_SYS_UN_H
#include <sys/un.h>
#endif
#endif
#include <erl_nif.h>
/* The general purpose sockaddr */
typedef union {
/* General sockaddr */
struct sockaddr sa;
/* IPv4 sockaddr */
struct sockaddr_in in4;
/* IPv6 sockaddr */
#if defined(HAVE_IN6) && defined(AF_INET6)
struct sockaddr_in6 in6;
#endif
/* Unix Domain Socket sockaddr */
#if defined(HAVE_SYS_UN_H)
struct sockaddr_un un;
#endif
} SocketAddress;
/* *** Boolean *type* stuff... *** */
typedef unsigned int BOOLEAN_T;
#define TRUE 1
#define FALSE 0
#define BOOL2ATOM(__B__) ((__B__) ? esock_atom_true : esock_atom_false)
#define B2S(__B__) ((__B__) ? "true" : "false")
/* Misc error strings */
#define ESOCK_STR_EAFNOSUPPORT "eafnosupport"
#define ESOCK_STR_EAGAIN "eagain"
#define ESOCK_STR_EINVAL "einval"
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* "Global" atoms
*/
extern ERL_NIF_TERM esock_atom_addr;
extern ERL_NIF_TERM esock_atom_any;
extern ERL_NIF_TERM esock_atom_debug;
extern ERL_NIF_TERM esock_atom_dgram;
extern ERL_NIF_TERM esock_atom_error;
extern ERL_NIF_TERM esock_atom_false;
extern ERL_NIF_TERM esock_atom_family;
extern ERL_NIF_TERM esock_atom_flowinfo;
extern ERL_NIF_TERM esock_atom_inet;
extern ERL_NIF_TERM esock_atom_inet6;
extern ERL_NIF_TERM esock_atom_ip;
extern ERL_NIF_TERM esock_atom_ipv6;
extern ERL_NIF_TERM esock_atom_local;
extern ERL_NIF_TERM esock_atom_loopback;
extern ERL_NIF_TERM esock_atom_ok;
extern ERL_NIF_TERM esock_atom_path;
extern ERL_NIF_TERM esock_atom_port;
extern ERL_NIF_TERM esock_atom_protocol;
extern ERL_NIF_TERM esock_atom_raw;
extern ERL_NIF_TERM esock_atom_rdm;
extern ERL_NIF_TERM esock_atom_scope_id;
extern ERL_NIF_TERM esock_atom_sctp;
extern ERL_NIF_TERM esock_atom_seqpacket;
extern ERL_NIF_TERM esock_atom_stream;
extern ERL_NIF_TERM esock_atom_tcp;
extern ERL_NIF_TERM esock_atom_true;
extern ERL_NIF_TERM esock_atom_type;
extern ERL_NIF_TERM esock_atom_udp;
extern ERL_NIF_TERM esock_atom_undefined;
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* Error value (=reason) atoms
*/
extern ERL_NIF_TERM esock_atom_eafnosupport;
extern ERL_NIF_TERM esock_atom_eagain;
extern ERL_NIF_TERM esock_atom_einval;
/* ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
* Various wrapper macros for enif functions
*/
#define MALLOC(SZ) enif_alloc((SZ))
#define FREE(P) enif_free((P))
#define MKA(E,S) enif_make_atom((E), (S))
#define MKBIN(E,B) enif_make_binary((E), (B))
#define MKI(E,I) enif_make_int((E), (I))
#define MKLA(E,A,L) enif_make_list_from_array((E), (A), (L))
#define MKEL(E) enif_make_list((E), 0)
#define MKMA(E,KA,VA,L,M) enif_make_map_from_arrays((E), (KA), (VA), (L), (M))
#define MKREF(E) enif_make_ref((E))
#define MKS(E,S) enif_make_string((E), (S), ERL_NIF_LATIN1)
#define MKSL(E,S,L) enif_make_string_len((E), (S), (L), ERL_NIF_LATIN1)
#define MKSBIN(E,B,ST,SZ) enif_make_sub_binary((E), (B), (ST), (SZ))
#define MKT2(E,E1,E2) enif_make_tuple2((E), (E1), (E2))
#define MKT3(E,E1,E2,E3) enif_make_tuple3((E), (E1), (E2), (E3))
#define MKT4(E,E1,E2,E3,E4) enif_make_tuple4((E), (E1), (E2), (E3), (E4))
#define MKT5(E,E1,E2,E3,E4,E5) \
enif_make_tuple5((E), (E1), (E2), (E3), (E4), (E5))
#define MKT8(E,E1,E2,E3,E4,E5,E6,E7,E8) \
enif_make_tuple8((E), (E1), (E2), (E3), (E4), (E5), (E6), (E7), (E8))
#define MKTA(E, A, AL) enif_make_tuple_from_array((E), (A), (AL))
#define MKUI(E,I) enif_make_uint((E), (I))
#define MCREATE(N) enif_mutex_create((N))
#define MDESTROY(M) enif_mutex_destroy((M))
#define MLOCK(M) enif_mutex_lock((M))
#define MUNLOCK(M) enif_mutex_unlock((M))
#define MONP(E,D,P,M) enif_monitor_process((E), (D), (P), (M))
#define DEMONP(E,D,M) enif_demonitor_process((E), (D), (M))
#define SELECT(E,FD,M,O,P,R) \
if (enif_select((E), (FD), (M), (O), (P), (R)) < 0) \
return enif_make_badarg((E));
#define COMPARE(A, B) enif_compare((A), (B))
#define IS_ATOM(E, TE) enif_is_atom((E), (TE))
#define IS_BIN(E, TE) enif_is_binary((E), (TE))
#define IS_LIST(E, TE) enif_is_list((E), (TE))
#define IS_MAP(E, TE) enif_is_map((E), (TE))
#define IS_NUM(E, TE) enif_is_number((E), (TE))
#define IS_TUPLE(E, TE) enif_is_tuple((E), (TE))
#define GET_ATOM_LEN(E, TE, LP) \
enif_get_atom_length((E), (TE), (LP), ERL_NIF_LATIN1)
#define GET_ATOM(E, TE, BP, MAX) \
enif_get_atom((E), (TE), (BP), (MAX), ERL_NIF_LATIN1)
#define GET_BIN(E, TE, BP) enif_inspect_iolist_as_binary((E), (TE), (BP))
#define GET_INT(E, TE, IP) enif_get_int((E), (TE), (IP))
#define GET_LIST_ELEM(E, L, HP, TP) enif_get_list_cell((E), (L), (HP), (TP))
#define GET_LIST_LEN(E, L, LP) enif_get_list_length((E), (L), (LP))
#define GET_LPID(E, T, P) enif_get_local_pid((E), (T), (P))
#define GET_STR(E, L, B, SZ) \
enif_get_string((E), (L), (B), (SZ), ERL_NIF_LATIN1)
#define GET_UINT(E, TE, IP) enif_get_uint((E), (TE), (IP))
#define GET_TUPLE(E, TE, TSZ, TA) enif_get_tuple((E), (TE), (TSZ), (TA))
#define GET_MAP_VAL(E, M, K, V) enif_get_map_value((E), (M), (K), (V))
#define ALLOC_BIN(SZ, BP) enif_alloc_binary((SZ), (BP))
#define REALLOC_BIN(SZ, BP) enif_realloc_binary((SZ), (BP))
#endif // SOCKET_INT_H__
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