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use boost::asio::ip::address because cross-platform plz

This commit is contained in:
Riccardo Spagni 2014-09-24 14:45:34 +02:00
parent 1e193d687d
commit d1a7f699c6
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1 changed files with 27 additions and 96 deletions
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123
src/p2p/net_node.inl
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@ -31,8 +31,6 @@
#pragma once
#include <algorithm>
#include <arpa/inet.h>
#include <sstream>
#include "version.h"
#include "string_tools.h"
@ -198,108 +196,41 @@ namespace nodetool
return true;
}
//-----------------------------------------------------------------------------------
namespace
inline void append_net_address(
std::vector<net_address> & seed_nodes
, std::string const & addr
)
{
template<typename T>
bool append_net_address(T& nodes, const std::string& addr)
using namespace boost::asio;
size_t pos = addr.find_last_of(':');
CHECK_AND_ASSERT_MES_NO_RET(std::string::npos != pos && addr.length() - 1 != pos && 0 != pos, "Failed to parse seed address from string: '" << addr << '\'');
std::string host = addr.substr(0, pos);
std::string port = addr.substr(pos + 1);
io_service io_srv;
ip::tcp::resolver resolver(io_srv);
ip::tcp::resolver::query query(host, port);
boost::system::error_code ec;
ip::tcp::resolver::iterator i = resolver.resolve(query, ec);
CHECK_AND_ASSERT_MES_NO_RET(!ec, "Failed to resolve host name '" << host << "': " << ec.message() << ':' << ec.value());
ip::tcp::resolver::iterator iend;
for (; i != iend; ++i)
{
in_addr_t bytes;
// in6_addr_t bytes6; // for IPv6 support, eventually
size_t pos = addr.find_last_of(':');
CHECK_AND_ASSERT_MES(std::string::npos != pos && addr.length() - 1 != pos && 0 != pos, false, "Failed to parse seed address from string: '" << addr << '\'');
std::string host = addr.substr(0, pos);
std::string port = addr.substr(pos + 1);
// attempt to get port number from string
std::stringstream parser(port);
uint32_t portNum;
if (parser >> portNum)
{
// make sure port in valid range (could check > 1000, really)
if (portNum < 65536 && portNum > 0)
{
return false;
}
}
else
{
return false;
}
// attempt to get network-bytes for ipv4 address
if (inet_pton(AF_INET, host.c_str(), &bytes) != 1)
{
// if that fails, maybe it's a hostname, try to resolve
std::vector<std::string> addr_list = tools::DNSResolver::instance().get_ipv4(host);
// if hostname DNS resolution fails, return false
if (addr_list.size() == 0)
{
return false;
}
// add each resultant IP to seeds
for (const std::string& a : addr_list)
{
// could call append_net_address recursively here to avoid code repeat
if (inet_pton(AF_INET, a.c_str(), &bytes) == 1)
{
nodetool::net_address na;
na.ip = bytes;
na.port = portNum;
nodes.push_back(na);
}
}
}
// if conversion was success (passed string was IP address, not hostname),
// add IP to seeds
else
ip::tcp::endpoint endpoint = *i;
if (endpoint.address().is_v4())
{
nodetool::net_address na;
na.ip = bytes;
na.port = portNum;
nodes.push_back(na);
na.ip = boost::asio::detail::socket_ops::host_to_network_long(endpoint.address().to_v4().to_ulong());
na.port = endpoint.port();
seed_nodes.push_back(na);
LOG_PRINT_L4("Added seed node: " << endpoint.address().to_v4().to_string(ec) << ':' << na.port);
}
/* same as above, but for ipv6. Use when the time comes.
// attempt to get network-bytes for ipv6 address
if (inet_pton(AF_INET6, host.c_str(), &bytes6) != 1)
{
// if that fails, maybe it's a hostname, try to resolve
std::vector<std::string> addr_list = tools::DNSResolver::instance().get_ipv6(host);
// if hostname DNS resolution fails, return false
if (addr_list.size() == 0)
{
return false;
}
// add each resultant IP to seeds
for (const std::string& a : addr_list)
{
// could call append_net_address recursively here to avoid code repeat
if (inet_pton(AF_INET6, a.c_str(), &bytes6) == 1)
{
nodetool::net_address6 na;
na.ip = bytes6;
na.port = portNum;
nodes.push_back(na);
}
}
}
// if conversion was success (passed string was IP address, not hostname),
// add IP to seeds
else
{
nodetool::net_address6 na;
na.ip = bytes6;
na.port = portNum;
nodes.push_back(na);
LOG_PRINT_L2("IPv6 doesn't supported, skip '" << host << "' -> " << endpoint.address().to_v6().to_string(ec));
}
*/
return true;
}
}