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Implement IPv6 listening

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With this commit IPv6-v3 surpass v0.6-IPv6-2 in term of features
  obsoleting it.
p3BitDht handle gracefully unwanted non IPv4 addresses
rsUdpStack handle gracefully unwanted non IPv4 addresses
pqissludp handle gracefully unwanted non IPv4 addresses
Move single address limitation workaround from
  p3discovery2::sendOwnContactInfo to better
  place p3PeerMgrIMPL::UpdateOwnAddress this way local address list is
  queried less often and only id there is some suggestion that it may
  have changed (probably ir will not be called all the times there is a
  changes in local network interfaces but is good enough)
Implement crossplatform rs_setsockopt to avoid too much ifdef around
Implement sockaddr_storage_copy to safely copy sockaddr_storage objects
This commit is contained in:
Gioacchino Mazzurco 2018-02-24 14:07:25 +01:00
parent b3c7d195c8
commit 4a138e07b9
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GPG key ID: A1FBCA3872E87051
14 changed files with 618 additions and 378 deletions
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33
libretroshare/src/tcponudp/rsudpstack.h
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@ -50,34 +50,37 @@ virtual bool resetAddress(struct sockaddr_in &local) { return false; }
/*******************************************************/
#include "pqi/pqimonitor.h"
#include "util/rsnet.h"
#include "util/stacktrace.h"
#include <iostream>
class rsUdpStack: public UdpStack, public pqiNetListener
{
public:
rsUdpStack(struct sockaddr_in &local)
:UdpStack(local) { return; }
public:
rsUdpStack(struct sockaddr_in &local) : UdpStack(local) {}
rsUdpStack(int testmode, struct sockaddr_in &local)
:UdpStack(testmode, local) { return; }
rsUdpStack(int testmode, struct sockaddr_in &local) :
UdpStack(testmode, local) {}
/* from pqiNetListener */
virtual bool resetListener(const struct sockaddr_storage &local)
/// @see pqiNetListener
virtual bool resetListener(const sockaddr_storage& local)
{
//std::cerr << "rsUdpStack::resetListener(" << sockaddr_storage_tostring(local) << ")";
//std::cerr << std::endl;
sockaddr_storage temp;
sockaddr_storage_copy(local, temp);
if (local.ss_family != AF_INET)
if (!sockaddr_storage_ipv6_to_ipv4(temp))
{
std::cerr << "rsUdpStack::resetListener() NOT IPv4 ERROR";
std::cerr << std::endl;
abort();
std::cerr << __PRETTY_FUNCTION__ << " Got non IPv4 address ERROR"
<< std::endl;
sockaddr_storage_dump(local);
print_stacktrace();
return -EINVAL;
}
struct sockaddr_in *addr = (struct sockaddr_in *) &local;
sockaddr_in *addr = reinterpret_cast<sockaddr_in*>(&temp);
return resetAddress(*addr);
}
};
class rsFixedUdpStack: public UdpStack, public pqiNetListener