diff options
Diffstat (limited to 'erts/emulator/nifs/common/net_nif.c')
| -rw-r--r-- | erts/emulator/nifs/common/net_nif.c | 181 |
1 files changed, 67 insertions, 114 deletions
diff --git a/erts/emulator/nifs/common/net_nif.c b/erts/emulator/nifs/common/net_nif.c index 9a18ed3b15..6c91bd74bd 100644 --- a/erts/emulator/nifs/common/net_nif.c +++ b/erts/emulator/nifs/common/net_nif.c @@ -240,35 +240,37 @@ static NetData data; /* THIS IS JUST TEMPORARY */ extern char* erl_errno_id(int error); +/* All the nif "callback" functions for the net API has + * the exact same API: + * + * nif_<funcname>(ErlNifEnv* env, + * int argc, + * const ERL_NIF_TERM argv[]); + * + * So, to simplify, use some macro magic to define those. + * + * These are the functions making up the "official" API. + */ -static ERL_NIF_TERM nif_info(ErlNifEnv* env, - int argc, - const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM nif_command(ErlNifEnv* env, - int argc, +#define ENET_NIF_FUNCS \ + ENET_NIF_FUNC_DEF(info); \ + ENET_NIF_FUNC_DEF(command); \ + ENET_NIF_FUNC_DEF(gethostname); \ + ENET_NIF_FUNC_DEF(getnameinfo); \ + ENET_NIF_FUNC_DEF(getaddrinfo); \ + ENET_NIF_FUNC_DEF(if_name2index); \ + ENET_NIF_FUNC_DEF(if_index2name); \ + ENET_NIF_FUNC_DEF(if_names); + +#define ENET_NIF_FUNC_DEF(F) \ + static ERL_NIF_TERM nif_##F(ErlNifEnv* env, \ + int argc, \ const ERL_NIF_TERM argv[]); +ENET_NIF_FUNCS +#undef ENET_NIF_FUNC_DEF -static ERL_NIF_TERM nif_gethostname(ErlNifEnv* env, - int argc, - const ERL_NIF_TERM argv[]); - -static ERL_NIF_TERM nif_getnameinfo(ErlNifEnv* env, - int argc, - const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM nif_getaddrinfo(ErlNifEnv* env, - int argc, - const ERL_NIF_TERM argv[]); - -static ERL_NIF_TERM nif_if_name2index(ErlNifEnv* env, - int argc, - const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM nif_if_index2name(ErlNifEnv* env, - int argc, - const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM nif_if_names(ErlNifEnv* env, - int argc, - const ERL_NIF_TERM argv[]); +/* And here comes the functions that does the actual work (for the most part) */ static ERL_NIF_TERM ncommand(ErlNifEnv* env, ERL_NIF_TERM cmd); static ERL_NIF_TERM ngethostname(ErlNifEnv* env); @@ -359,66 +361,42 @@ static const struct in6_addr in6addr_loopback = -/* *** String constants *** */ -static char str_address_info[] = "address_info"; -static char str_debug[] = "debug"; -static char str_idn[] = "idn"; -static char str_idna_allow_unassigned[] = "idna_allow_unassigned"; -static char str_idna_use_std3_ascii_rules[] = "idna_use_std3_ascii_rules"; -static char str_namereqd[] = "namereqd"; -static char str_name_info[] = "name_info"; -static char str_nofqdn[] = "nofqdn"; -static char str_numerichost[] = "numerichost"; -static char str_numericserv[] = "numericserv"; - -/* (special) error string constants */ -static char str_eaddrfamily[] = "eaddrfamily"; -static char str_ebadflags[] = "ebadflags"; -static char str_efail[] = "efail"; -static char str_efamily[] = "efamily"; -static char str_efault[] = "efault"; -static char str_emem[] = "emem"; -static char str_enametoolong[] = "enametoolong"; -static char str_enodata[] = "enodata"; -static char str_enoname[] = "enoname"; -static char str_enxio[] = "enxio"; -static char str_eoverflow[] = "eoverflow"; -static char str_eservice[] = "eservice"; -static char str_esocktype[] = "esocktype"; -static char str_esystem[] = "esystem"; - - -/* *** Atoms *** */ - -static ERL_NIF_TERM atom_address_info; -static ERL_NIF_TERM atom_debug; -static ERL_NIF_TERM atom_host; -static ERL_NIF_TERM atom_idn; -static ERL_NIF_TERM atom_idna_allow_unassigned; -static ERL_NIF_TERM atom_idna_use_std3_ascii_rules; -static ERL_NIF_TERM atom_namereqd; -static ERL_NIF_TERM atom_name_info; -static ERL_NIF_TERM atom_nofqdn; -static ERL_NIF_TERM atom_numerichost; -static ERL_NIF_TERM atom_numericserv; -static ERL_NIF_TERM atom_service; - - -static ERL_NIF_TERM atom_eaddrfamily; -// static ERL_NIF_TERM atom_eagain; -static ERL_NIF_TERM atom_ebadflags; -static ERL_NIF_TERM atom_efail; -static ERL_NIF_TERM atom_efamily; -static ERL_NIF_TERM atom_efault; -static ERL_NIF_TERM atom_emem; -static ERL_NIF_TERM atom_enametoolong; -static ERL_NIF_TERM atom_enodata; -static ERL_NIF_TERM atom_enoname; -static ERL_NIF_TERM atom_enxio; -static ERL_NIF_TERM atom_eoverflow; -static ERL_NIF_TERM atom_eservice; -static ERL_NIF_TERM atom_esocktype; -static ERL_NIF_TERM atom_esystem; +/* *** Local atoms *** */ + +#define LOCAL_ATOMS \ + LOCAL_ATOM_DECL(address_info); \ + LOCAL_ATOM_DECL(debug); \ + LOCAL_ATOM_DECL(host); \ + LOCAL_ATOM_DECL(idn); \ + LOCAL_ATOM_DECL(idna_allow_unassigned); \ + LOCAL_ATOM_DECL(idna_use_std3_ascii_rules); \ + LOCAL_ATOM_DECL(namereqd); \ + LOCAL_ATOM_DECL(name_info); \ + LOCAL_ATOM_DECL(nofqdn); \ + LOCAL_ATOM_DECL(numerichost); \ + LOCAL_ATOM_DECL(numericserv); \ + LOCAL_ATOM_DECL(service); + +#define LOCAL_ERROR_REASON_ATOMS \ + LOCAL_ATOM_DECL(eaddrfamily); \ + LOCAL_ATOM_DECL(ebadflags); \ + LOCAL_ATOM_DECL(efail); \ + LOCAL_ATOM_DECL(efamily); \ + LOCAL_ATOM_DECL(efault); \ + LOCAL_ATOM_DECL(emem); \ + LOCAL_ATOM_DECL(enametoolong); \ + LOCAL_ATOM_DECL(enodata); \ + LOCAL_ATOM_DECL(enoname); \ + LOCAL_ATOM_DECL(enxio); \ + LOCAL_ATOM_DECL(eoverflow); \ + LOCAL_ATOM_DECL(eservice); \ + LOCAL_ATOM_DECL(esocktype); \ + LOCAL_ATOM_DECL(esystem); + +#define LOCAL_ATOM_DECL(A) static ERL_NIF_TERM atom_##A +LOCAL_ATOMS +LOCAL_ERROR_REASON_ATOMS +#undef LOCAL_ATOM_DECL /* *** net *** */ @@ -1651,35 +1629,10 @@ int on_load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) NDBG( ("NET", "on_load -> entry\r\n") ); #endif - /* +++ Misc atoms +++ */ - atom_address_info = MKA(env, str_address_info); - atom_debug = MKA(env, str_debug); - atom_host = MKA(env, "host"); - atom_idn = MKA(env, str_idn); - atom_idna_allow_unassigned = MKA(env, str_idna_allow_unassigned); - atom_idna_use_std3_ascii_rules = MKA(env, str_idna_use_std3_ascii_rules); - atom_namereqd = MKA(env, str_namereqd); - atom_name_info = MKA(env, str_name_info); - atom_nofqdn = MKA(env, str_nofqdn); - atom_numerichost = MKA(env, str_numerichost); - atom_numericserv = MKA(env, str_numericserv); - atom_service = MKA(env, "service"); - - /* Error codes */ - atom_eaddrfamily = MKA(env, str_eaddrfamily); - atom_ebadflags = MKA(env, str_ebadflags); - atom_efail = MKA(env, str_efail); - atom_efamily = MKA(env, str_efamily); - atom_efault = MKA(env, str_efault); - atom_emem = MKA(env, str_emem); - atom_enametoolong = MKA(env, str_enametoolong); - atom_enodata = MKA(env, str_enodata); - atom_enoname = MKA(env, str_enoname); - atom_enxio = MKA(env, str_enxio); - atom_eoverflow = MKA(env, str_eoverflow); - atom_eservice = MKA(env, str_eservice); - atom_esocktype = MKA(env, str_esocktype); - atom_esystem = MKA(env, str_esystem); +#define LOCAL_ATOM_DECL(A) atom_##A = MKA(env, #A) +LOCAL_ATOMS +LOCAL_ERROR_REASON_ATOMS +#undef LOCAL_ATOM_DECL // For storing "global" things... // data.env = enif_alloc_env(); // We should really check |