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Diffstat (limited to 'erts/emulator/nifs/common/socket_util.h')
| -rw-r--r-- | erts/emulator/nifs/common/socket_util.h | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/erts/emulator/nifs/common/socket_util.h b/erts/emulator/nifs/common/socket_util.h new file mode 100644 index 0000000000..1b5d003155 --- /dev/null +++ b/erts/emulator/nifs/common/socket_util.h @@ -0,0 +1,205 @@ +/* + * %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_UTIL_H__ +#define SOCKET_UTIL_H__ + +#include <erl_nif.h> +#include "socket_int.h" + +#define CHAR(C) ((char) (C)) +#define UCHAR(C) ((unsigned char) (C)) +#define INT(I) ((int) (I)) +#define UINT(U) ((unsigned int) (U)) +#define LONG(L) ((long) (L)) +#define ULONG(L) ((unsigned long) (L)) +#define SZT(I) ((size_t) (I)) +#define VOIDP(P) ((void*) (P)) +#define CHARP(P) ((char*) (P)) + +#define ESOCK_ABORT(E) esock_abort(E, __func__, __FILE__, __LINE__) +#define ESOCK_ASSERT(e) ((void) ((e) ? 1 : (ESOCK_ABORT(#e), 0))) + +extern +char* esock_encode_iov(ErlNifEnv* env, + int read, + struct iovec* iov, + size_t len, + ErlNifBinary* data, + ERL_NIF_TERM* eIOV); +extern +char* esock_decode_iov(ErlNifEnv* env, + ERL_NIF_TERM eIOV, + ErlNifBinary* bufs, + struct iovec* iov, + size_t len, + ssize_t* totSize); +extern +char* esock_decode_sockaddr(ErlNifEnv* env, + ERL_NIF_TERM eSockAddr, + SocketAddress* sockAddrP, + unsigned int* addrLen); +extern +char* esock_encode_sockaddr(ErlNifEnv* env, + SocketAddress* sockAddrP, + unsigned int addrLen, + ERL_NIF_TERM* eSockAddr); + +extern +char* esock_decode_sockaddr_in4(ErlNifEnv* env, + ERL_NIF_TERM eSockAddr, + struct sockaddr_in* sockAddrP, + unsigned int* addrLen); +extern +char* esock_encode_sockaddr_in4(ErlNifEnv* env, + struct sockaddr_in* sockAddrP, + unsigned int addrLen, + ERL_NIF_TERM* eSockAddr); + +#if defined(HAVE_IN6) && defined(AF_INET6) +extern +char* esock_decode_sockaddr_in6(ErlNifEnv* env, + ERL_NIF_TERM eSockAddr, + struct sockaddr_in6* sockAddrP, + unsigned int* addrLen); +extern +char* esock_encode_sockaddr_in6(ErlNifEnv* env, + struct sockaddr_in6* sockAddrP, + unsigned int addrLen, + ERL_NIF_TERM* eSockAddr); +#endif + +#ifdef HAVE_SYS_UN_H +extern +char* esock_decode_sockaddr_un(ErlNifEnv* env, + ERL_NIF_TERM eSockAddr, + struct sockaddr_un* sockAddrP, + unsigned int* addrLen); +extern +char* esock_encode_sockaddr_un(ErlNifEnv* env, + struct sockaddr_un* sockAddrP, + unsigned int addrLen, + ERL_NIF_TERM* eSockAddr); +#endif + +extern +char* esock_decode_ip4_address(ErlNifEnv* env, + ERL_NIF_TERM eAddr, + struct in_addr* inAddrP); +extern +char* esock_encode_ip4_address(ErlNifEnv* env, + struct in_addr* addrP, + ERL_NIF_TERM* eAddr); + +#if defined(HAVE_IN6) && defined(AF_INET6) +extern +char* esock_decode_ip6_address(ErlNifEnv* env, + ERL_NIF_TERM eAddr, + struct in6_addr* inAddrP); +extern +char* esock_encode_ip6_address(ErlNifEnv* env, + struct in6_addr* addrP, + ERL_NIF_TERM* eAddr); +#endif + +extern char* esock_encode_timeval(ErlNifEnv* env, + struct timeval* timeP, + ERL_NIF_TERM* eTime); +extern char* esock_decode_timeval(ErlNifEnv* env, + ERL_NIF_TERM eTime, + struct timeval* timeP); +extern +char* esock_decode_domain(ErlNifEnv* env, + ERL_NIF_TERM eDomain, + int* domain); +extern +char* esock_encode_domain(ErlNifEnv* env, + int domain, + ERL_NIF_TERM* eDomain); + +extern +char* esock_decode_type(ErlNifEnv* env, + ERL_NIF_TERM eType, + int* type); +extern +char* esock_encode_type(ErlNifEnv* env, + int type, + ERL_NIF_TERM* eType); + +extern +char* esock_decode_protocol(ErlNifEnv* env, + ERL_NIF_TERM eProtocol, + int* protocol); +extern +char* esock_encode_protocol(ErlNifEnv* env, + int type, + ERL_NIF_TERM* eProtocol); + +extern +char* esock_decode_bufsz(ErlNifEnv* env, + ERL_NIF_TERM eVal, + size_t defSz, + size_t* sz); + +extern +BOOLEAN_T esock_decode_string(ErlNifEnv* env, + const ERL_NIF_TERM eString, + char** stringP); + +extern +BOOLEAN_T esock_extract_bool_from_map(ErlNifEnv* env, + ERL_NIF_TERM map, + ERL_NIF_TERM key, + BOOLEAN_T def); +extern +BOOLEAN_T esock_decode_bool(ERL_NIF_TERM val); +extern +ERL_NIF_TERM esock_encode_bool(BOOLEAN_T val); + +extern +size_t esock_strnlen(const char *s, size_t maxlen); +extern +void esock_abort(const char* expr, + const char* func, + const char* file, + int line); + +extern +ERL_NIF_TERM esock_make_ok2(ErlNifEnv* env, ERL_NIF_TERM any); +extern +ERL_NIF_TERM esock_make_ok3(ErlNifEnv* env, ERL_NIF_TERM val1, ERL_NIF_TERM val2); + +extern +ERL_NIF_TERM esock_make_error(ErlNifEnv* env, ERL_NIF_TERM reason); +extern +ERL_NIF_TERM esock_make_error_str(ErlNifEnv* env, char* reason); +extern +ERL_NIF_TERM esock_make_error_errno(ErlNifEnv* env, int err); + +extern +void esock_warning_msg(const char* format, ... ); + + +#endif // SOCKET_UTIL_H__ |