/* * * 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" #ifdef __cplusplus extern "C" { #endif /* 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); #ifdef __cplusplus } #endif #endif /* GRPC_CORE_LIB_IOMGR_SOCKADDR_UTILS_H */