diff options
Diffstat (limited to 'source/Host/common/SocketAddress.cpp')
| -rw-r--r-- | source/Host/common/SocketAddress.cpp | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/source/Host/common/SocketAddress.cpp b/source/Host/common/SocketAddress.cpp new file mode 100644 index 000000000000..a22dc7a01c15 --- /dev/null +++ b/source/Host/common/SocketAddress.cpp @@ -0,0 +1,260 @@ +//===-- SocketAddress.cpp ---------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "lldb/Host/SocketAddress.h" +#include <stddef.h> + +// C Includes +#include <assert.h> +#include <string.h> + +// C++ Includes +// Other libraries and framework includes +// Project includes + +using namespace lldb_private; + +//---------------------------------------------------------------------- +// SocketAddress constructor +//---------------------------------------------------------------------- +SocketAddress::SocketAddress () +{ + Clear (); +} + +SocketAddress::SocketAddress (const struct sockaddr &s) +{ + m_socket_addr.sa = s; +} + + +SocketAddress::SocketAddress (const struct sockaddr_in &s) +{ + m_socket_addr.sa_ipv4 = s; +} + + +SocketAddress::SocketAddress (const struct sockaddr_in6 &s) +{ + m_socket_addr.sa_ipv6 = s; +} + + +SocketAddress::SocketAddress (const struct sockaddr_storage &s) +{ + m_socket_addr.sa_storage = s; +} + +//---------------------------------------------------------------------- +// SocketAddress copy constructor +//---------------------------------------------------------------------- +SocketAddress::SocketAddress (const SocketAddress& rhs) : + m_socket_addr (rhs.m_socket_addr) +{ +} + +//---------------------------------------------------------------------- +// Destructor +//---------------------------------------------------------------------- +SocketAddress::~SocketAddress() +{ +} + +void +SocketAddress::Clear () +{ + memset (&m_socket_addr, 0, sizeof(m_socket_addr)); +} + +bool +SocketAddress::IsValid () const +{ + return GetLength () != 0; +} + +static socklen_t +GetFamilyLength (sa_family_t family) +{ + switch (family) + { + case AF_INET: return sizeof(struct sockaddr_in); + case AF_INET6: return sizeof(struct sockaddr_in6); + } + assert(0 && "Unsupported address family"); +} + +socklen_t +SocketAddress::GetLength () const +{ +#if defined(__APPLE__) + return m_socket_addr.sa.sa_len; +#else + return GetFamilyLength (GetFamily()); +#endif +} + +socklen_t +SocketAddress::GetMaxLength () +{ + return sizeof (sockaddr_t); +} + +sa_family_t +SocketAddress::GetFamily () const +{ + return m_socket_addr.sa.sa_family; +} + +void +SocketAddress::SetFamily (sa_family_t family) +{ + m_socket_addr.sa.sa_family = family; +#if defined(__APPLE__) + m_socket_addr.sa.sa_len = GetFamilyLength (family); +#endif +} + +in_port_t +SocketAddress::GetPort () const +{ + switch (GetFamily()) + { + case AF_INET: return m_socket_addr.sa_ipv4.sin_port; + case AF_INET6: return m_socket_addr.sa_ipv6.sin6_port; + } + return 0; +} + +bool +SocketAddress::SetPort (in_port_t port) +{ + switch (GetFamily()) + { + case AF_INET: + m_socket_addr.sa_ipv4.sin_port = htons(port); + return true; + + case AF_INET6: + m_socket_addr.sa_ipv6.sin6_port = htons(port); + return true; + } + return false; +} + +//---------------------------------------------------------------------- +// SocketAddress assignment operator +//---------------------------------------------------------------------- +const SocketAddress& +SocketAddress::operator=(const SocketAddress& rhs) +{ + if (this != &rhs) + m_socket_addr = rhs.m_socket_addr; + return *this; +} + +const SocketAddress& +SocketAddress::operator=(const struct addrinfo *addr_info) +{ + Clear(); + if (addr_info && + addr_info->ai_addr && + addr_info->ai_addrlen > 0&& + addr_info->ai_addrlen <= sizeof m_socket_addr) + { + ::memcpy (&m_socket_addr, + addr_info->ai_addr, + addr_info->ai_addrlen); + } + return *this; +} + +const SocketAddress& +SocketAddress::operator=(const struct sockaddr &s) +{ + m_socket_addr.sa = s; + return *this; +} + +const SocketAddress& +SocketAddress::operator=(const struct sockaddr_in &s) +{ + m_socket_addr.sa_ipv4 = s; + return *this; +} + +const SocketAddress& +SocketAddress::operator=(const struct sockaddr_in6 &s) +{ + m_socket_addr.sa_ipv6 = s; + return *this; +} + +const SocketAddress& +SocketAddress::operator=(const struct sockaddr_storage &s) +{ + m_socket_addr.sa_storage = s; + return *this; +} + +bool +SocketAddress::SetAddress (const struct addrinfo *hints_ptr, + const char *host, + const char *service, + struct addrinfo *addr_info_ptr) +{ + struct addrinfo *service_info_list = NULL; + int err = ::getaddrinfo (host, service, hints_ptr, &service_info_list); + if (err == 0 && service_info_list) + { + if (addr_info_ptr) + *addr_info_ptr = *service_info_list; + *this = service_info_list; + } + else + Clear(); + + :: freeaddrinfo (service_info_list); + + const bool is_valid = IsValid(); + if (!is_valid) + { + if (addr_info_ptr) + ::memset (addr_info_ptr, 0, sizeof(struct addrinfo)); + } + return is_valid; +} + + +bool +SocketAddress::SetToLocalhost (sa_family_t family, in_port_t port) +{ + switch (family) + { + case AF_INET: + SetFamily (AF_INET); + if (SetPort (port)) + { + m_socket_addr.sa_ipv4.sin_addr.s_addr = htonl (INADDR_ANY); + return true; + } + break; + + case AF_INET6: + SetFamily (AF_INET6); + if (SetPort (port)) + { + m_socket_addr.sa_ipv6.sin6_addr = in6addr_any; + return true; + } + break; + + } + Clear(); + return false; +} |