| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * 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. |
| * |
| */ |
| |
| #ifndef GRPC_CORE_LIB_IOMGR_SOCKADDR_UTILS_H |
| #define GRPC_CORE_LIB_IOMGR_SOCKADDR_UTILS_H |
| |
| #include "src/core/lib/iomgr/resolve_address.h" |
| |
| /* Returns true if addr is an IPv4-mapped IPv6 address within the |
| ::ffff:0.0.0.0/96 range, or false otherwise. |
| |
| If addr4_out is non-NULL, the inner IPv4 address will be copied here when |
| returning true. */ |
| int grpc_sockaddr_is_v4mapped(const grpc_resolved_address *addr, |
| grpc_resolved_address *addr4_out); |
| |
| /* If addr is an AF_INET address, writes the corresponding ::ffff:0.0.0.0/96 |
| address to addr6_out and returns true. Otherwise returns false. */ |
| int grpc_sockaddr_to_v4mapped(const grpc_resolved_address *addr, |
| grpc_resolved_address *addr6_out); |
| |
| /* If addr is ::, 0.0.0.0, or ::ffff:0.0.0.0, writes the port number to |
| *port_out (if not NULL) and returns true, otherwise returns false. */ |
| int grpc_sockaddr_is_wildcard(const grpc_resolved_address *addr, int *port_out); |
| |
| /* Writes 0.0.0.0:port and [::]:port to separate sockaddrs. */ |
| void grpc_sockaddr_make_wildcards(int port, grpc_resolved_address *wild4_out, |
| grpc_resolved_address *wild6_out); |
| |
| /* Writes 0.0.0.0:port. */ |
| void grpc_sockaddr_make_wildcard4(int port, grpc_resolved_address *wild_out); |
| |
| /* Writes [::]:port. */ |
| void grpc_sockaddr_make_wildcard6(int port, grpc_resolved_address *wild_out); |
| |
| /* Return the IP port number of a sockaddr */ |
| int grpc_sockaddr_get_port(const grpc_resolved_address *addr); |
| |
| /* Set IP port number of a sockaddr */ |
| int grpc_sockaddr_set_port(const grpc_resolved_address *addr, int port); |
| |
| /* Converts a sockaddr into a newly-allocated human-readable string. |
| |
| Currently, only the AF_INET and AF_INET6 families are recognized. |
| If the normalize flag is enabled, ::ffff:0.0.0.0/96 IPv6 addresses are |
| displayed as plain IPv4. |
| |
| Usage is similar to gpr_asprintf: returns the number of bytes written |
| (excluding the final '\0'), and *out points to a string which must later be |
| destroyed using gpr_free(). |
| |
| In the unlikely event of an error, returns -1 and sets *out to NULL. |
| The existing value of errno is always preserved. */ |
| int grpc_sockaddr_to_string(char **out, const grpc_resolved_address *addr, |
| int normalize); |
| |
| /* Returns the URI string corresponding to \a addr */ |
| char *grpc_sockaddr_to_uri(const grpc_resolved_address *addr); |
| |
| /* Returns the URI scheme corresponding to \a addr */ |
| const char *grpc_sockaddr_get_uri_scheme(const grpc_resolved_address *addr); |
| |
| int grpc_sockaddr_get_family(const grpc_resolved_address *resolved_addr); |
| |
| #endif /* GRPC_CORE_LIB_IOMGR_SOCKADDR_UTILS_H */ |