116 lines
2.1 KiB
C++
116 lines
2.1 KiB
C++
// SPDX-License-Identifier: BSD-2-Clause
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// author: Max Kellermann <max.kellermann@gmail.com>
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#include "AllocatedSocketAddress.hxx"
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#include "IPv4Address.hxx"
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#include "IPv6Address.hxx"
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#include <string.h>
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#ifdef HAVE_UN
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#include <sys/un.h>
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#endif
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AllocatedSocketAddress &
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AllocatedSocketAddress::operator=(SocketAddress src) noexcept
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{
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if (src.IsNull()) {
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Clear();
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} else {
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SetSize(src.GetSize());
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memcpy(address, src.GetAddress(), size);
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}
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return *this;
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}
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void
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AllocatedSocketAddress::SetSize(size_type new_size) noexcept
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{
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if (size == new_size)
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return;
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free(address);
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size = new_size;
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address = (struct sockaddr *)malloc(size);
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}
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#ifdef HAVE_UN
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std::string_view
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AllocatedSocketAddress::GetLocalRaw() const noexcept
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{
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return SocketAddress(*this).GetLocalRaw();
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}
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void
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AllocatedSocketAddress::SetLocal(const char *path) noexcept
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{
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const bool is_abstract = *path == '@';
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/* sun_path must be null-terminated unless it's an abstract
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socket */
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const size_t path_length = strlen(path) + !is_abstract;
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struct sockaddr_un *sun;
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SetSize(sizeof(*sun) - sizeof(sun->sun_path) + path_length);
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sun = (struct sockaddr_un *)address;
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sun->sun_family = AF_LOCAL;
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memcpy(sun->sun_path, path, path_length);
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if (is_abstract)
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sun->sun_path[0] = 0;
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}
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void
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AllocatedSocketAddress::SetLocal(std::string_view path) noexcept
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{
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const bool is_abstract = path.starts_with('@');
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/* sun_path must be null-terminated unless it's an abstract
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socket */
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const size_t path_length = path.size() + !is_abstract;
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struct sockaddr_un *sun;
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SetSize(sizeof(*sun) - sizeof(sun->sun_path) + path_length);
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sun = (struct sockaddr_un *)address;
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sun->sun_family = AF_LOCAL;
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auto out = std::copy(path.begin(), path.end(), sun->sun_path);
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if (is_abstract)
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sun->sun_path[0] = 0;
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else
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*out = 0;
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}
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#endif
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#ifdef HAVE_TCP
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bool
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AllocatedSocketAddress::SetPort(unsigned port) noexcept
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{
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if (IsNull())
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return false;
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switch (GetFamily()) {
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case AF_INET:
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{
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auto &a = *(IPv4Address *)(void *)address;
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a.SetPort(port);
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return true;
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}
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case AF_INET6:
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{
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auto &a = *(IPv6Address *)(void *)address;
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a.SetPort(port);
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return true;
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}
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}
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return false;
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}
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#endif
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