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       1                 :            : // Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
       2                 :            : //
       3                 :            : // Permission to use, copy, modify, and/or distribute this software for any
       4                 :            : // purpose with or without fee is hereby granted, provided that the above
       5                 :            : // copyright notice and this permission notice appear in all copies.
       6                 :            : //
       7                 :            : // THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
       8                 :            : // REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
       9                 :            : // AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
      10                 :            : // INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
      11                 :            : // LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
      12                 :            : // OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
      13                 :            : // PERFORMANCE OF THIS SOFTWARE.
      14                 :            : 
      15                 :            : #include <config.h>
      16                 :            : 
      17                 :            : #include <unistd.h>             // for some IPC/network system calls
      18                 :            : #include <stdint.h>
      19                 :            : #include <sys/socket.h>
      20                 :            : #include <netinet/in.h>
      21                 :            : 
      22                 :            : #include <asio.hpp>
      23                 :            : 
      24                 :            : #include <exceptions/exceptions.h>
      25                 :            : #include <asiolink/io_address.h>
      26                 :            : #include <asiolink/io_error.h>
      27                 :            : #include <boost/static_assert.hpp>
      28                 :            : 
      29                 :            : using namespace asio;
      30                 :            : using asio::ip::udp;
      31                 :            : using asio::ip::tcp;
      32                 :            : 
      33                 :            : using namespace std;
      34                 :            : 
      35                 :            : namespace isc {
      36                 :            : namespace asiolink {
      37                 :            : 
      38                 :            : // XXX: we cannot simply construct the address in the initialization list,
      39                 :            : // because we'd like to throw our own exception on failure.
      40                 :        531 : IOAddress::IOAddress(const std::string& address_str) {
      41                 :            :     asio::error_code err;
      42                 :        531 :     asio_address_ = ip::address::from_string(address_str, err);
      43         [ +  + ]:        531 :     if (err) {
      44 [ +  - ][ +  - ]:         20 :         isc_throw(IOError, "Failed to convert string to address '"
         [ +  - ][ +  - ]
                 [ +  - ]
      45                 :            :                   << address_str << "': " << err.message());
      46                 :            :     }
      47                 :        521 : }
      48                 :            : 
      49                 :        317 : IOAddress::IOAddress(const asio::ip::address& asio_address) :
      50                 :        317 :     asio_address_(asio_address)
      51                 :        317 : {}
      52                 :            : 
      53                 :          1 : IOAddress::IOAddress(uint32_t v4address):
      54                 :          2 :     asio_address_(asio::ip::address_v4(v4address)) {
      55                 :            : 
      56                 :          1 : }
      57                 :            : 
      58                 :            : string
      59                 :     422457 : IOAddress::toText() const {
      60                 :     422457 :     return (asio_address_.to_string());
      61                 :            : }
      62                 :            : 
      63                 :            : IOAddress
      64                 :          2 : IOAddress::from_bytes(short family, const uint8_t* data) {
      65         [ -  + ]:          2 :     if (data == NULL) {
      66 [ #  # ][ #  # ]:          0 :         isc_throw(BadValue, "NULL pointer received.");
      67                 :            :     } else
      68         [ -  + ]:          2 :     if ( (family != AF_INET) && (family != AF_INET6) ) {
      69 [ #  # ][ #  # ]:          0 :         isc_throw(BadValue, "Invalid family type. Only AF_INET and AF_INET6"
                 [ #  # ]
      70                 :            :                   << "are supported");
      71                 :            :     }
      72                 :            : 
      73                 :            :     BOOST_STATIC_ASSERT(INET6_ADDRSTRLEN >= INET_ADDRSTRLEN);
      74                 :            :     char addr_str[INET6_ADDRSTRLEN];
      75                 :          2 :     inet_ntop(family, data, addr_str, INET6_ADDRSTRLEN);
      76         [ +  - ]:          2 :     return IOAddress(string(addr_str));
      77                 :            : }
      78                 :            : 
      79                 :            : short
      80                 :         78 : IOAddress::getFamily() const {
      81         [ +  + ]:         78 :     if (asio_address_.is_v4()) {
      82                 :            :         return (AF_INET);
      83                 :            :     } else {
      84                 :         78 :         return (AF_INET6);
      85                 :            :     }
      86                 :            : }
      87                 :            : 
      88                 :            : const asio::ip::address&
      89                 :          2 : IOAddress::getAddress() const {
      90                 :          2 :     return asio_address_;
      91                 :            : }
      92                 :            : 
      93                 :          1 : IOAddress::operator uint32_t() const {
      94         [ +  - ]:          1 :     if (getAddress().is_v4()) {
      95                 :          2 :         return (getAddress().to_v4().to_ulong());
      96                 :            :     } else {
      97 [ #  # ][ #  # ]:          0 :         isc_throw(BadValue, "Can't convert " << toText()
         [ #  # ][ #  # ]
                 [ #  # ]
      98                 :            :                   << " address to IPv4.");
      99                 :            :     }
     100                 :            : }
     101                 :            : 
     102                 :            : } // namespace asiolink
     103 [ +  - ][ +  - ]:         30 : } // namespace isc