| /* |
| * |
| * 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_ADDRESS_UTILS_SOCKADDR_UTILS_H |
| #define GRPC_CORE_LIB_ADDRESS_UTILS_SOCKADDR_UTILS_H |
| |
| #include <grpc/support/port_platform.h> |
| |
| #include <string> |
| |
| #include "absl/status/statusor.h" |
| |
| #include "src/core/lib/iomgr/resolved_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(grpc_resolved_address* addr, int port); |
| |
| // Converts a sockaddr into a newly-allocated human-readable string. |
| // |
| // Currently, only the AF_INET, AF_INET6, and AF_UNIX families are recognized. |
| // If the normalize flag is enabled, ::ffff:0.0.0.0/96 IPv6 addresses are |
| // displayed as plain IPv4. |
| absl::StatusOr<std::string> grpc_sockaddr_to_string( |
| const grpc_resolved_address* addr, bool normalize) GRPC_MUST_USE_RESULT; |
| |
| /* Returns the URI string corresponding to \a addr */ |
| absl::StatusOr<std::string> 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); |
| |
| std::string grpc_sockaddr_get_packed_host( |
| const grpc_resolved_address* resolved_addr); |
| |
| // Applies a mask of \a mask_bits to IPv4/IPv6 addresses. Has no effect if the |
| // address type is not IPv4/IPv6. |
| void grpc_sockaddr_mask_bits(grpc_resolved_address* address, |
| uint32_t mask_bits); |
| |
| // If \a address is IPv4/IPv6, checks if the IP address falls in the CIDR |
| // specified by \a subnet_address and \a mask_bits. |
| // Returns false if \a address is not an IPv4/IPv6 address. The ports (if set) |
| // are ignored for matching purposes. Note that, \a subnet_address should be |
| // normalized, i.e., `grpc_sockaddr_mask_bits` should have been called on it if |
| // necessary. |
| bool grpc_sockaddr_match_subnet(const grpc_resolved_address* address, |
| const grpc_resolved_address* subnet_address, |
| uint32_t mask_bits); |
| |
| #endif /* GRPC_CORE_LIB_ADDRESS_UTILS_SOCKADDR_UTILS_H */ |