| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #ifndef GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_UTILS_H |
| #define GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_UTILS_H |
| |
| #include "src/core/iomgr/sockaddr.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 struct sockaddr *addr, |
| struct sockaddr_in *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 struct sockaddr *addr, |
| struct sockaddr_in6 *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 struct sockaddr *addr, int *port_out); |
| |
| /* Writes 0.0.0.0:port and [::]:port to separate sockaddrs. */ |
| void grpc_sockaddr_make_wildcards(int port, struct sockaddr_in *wild4_out, |
| struct sockaddr_in6 *wild6_out); |
| |
| /* Writes 0.0.0.0:port. */ |
| void grpc_sockaddr_make_wildcard4(int port, struct sockaddr_in *wild_out); |
| |
| /* Writes [::]:port. */ |
| void grpc_sockaddr_make_wildcard6(int port, struct sockaddr_in6 *wild_out); |
| |
| /* Return the IP port number of a sockaddr */ |
| int grpc_sockaddr_get_port(const struct sockaddr *addr); |
| |
| /* Set IP port number of a sockaddr */ |
| int grpc_sockaddr_set_port(const struct sockaddr *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 struct sockaddr *addr, |
| int normalize); |
| |
| #endif /* GRPC_INTERNAL_CORE_IOMGR_SOCKADDR_UTILS_H */ |