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/*
* Copyright (C) 2012-2017 Max Kellermann <max.kellermann@gmail.com>
*
* 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.
*
* 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
* FOUNDATION 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.
*/
#include "config.h"
#include "AllocatedSocketAddress.hxx"
#include <string.h>
#ifdef HAVE_UN
#include <sys/un.h>
#endif
#ifdef HAVE_TCP
#ifdef _WIN32
#include <ws2tcpip.h>
#else
#include <netinet/in.h>
#endif
#endif
AllocatedSocketAddress &
AllocatedSocketAddress::operator=(SocketAddress src) noexcept
{
if (src.IsNull()) {
Clear();
} else {
SetSize(src.GetSize());
memcpy(address, src.GetAddress(), size);
}
return *this;
}
void
AllocatedSocketAddress::SetSize(size_type new_size) noexcept
{
if (size == new_size)
return;
free(address);
size = new_size;
address = (struct sockaddr *)malloc(size);
}
#ifdef HAVE_UN
void
AllocatedSocketAddress::SetLocal(const char *path) noexcept
{
const bool is_abstract = *path == '@';
/* sun_path must be null-terminated unless it's an abstract
socket */
const size_t path_length = strlen(path) + !is_abstract;
struct sockaddr_un *sun;
SetSize(sizeof(*sun) - sizeof(sun->sun_path) + path_length);
sun = (struct sockaddr_un *)address;
sun->sun_family = AF_LOCAL;
memcpy(sun->sun_path, path, path_length);
if (is_abstract)
sun->sun_path[0] = 0;
}
#endif
#ifdef HAVE_TCP
bool
AllocatedSocketAddress::SetPort(unsigned port) noexcept
{
if (IsNull())
return false;
switch (GetFamily()) {
case AF_INET:
{
auto *a = (struct sockaddr_in *)(void *)address;
a->sin_port = htons(port);
return true;
}
case AF_INET6:
{
auto *a = (struct sockaddr_in6 *)(void *)address;
a->sin6_port = htons(port);
return true;
}
}
return false;
}
#endif
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