bool xRedisServerBase::Start(const char* ip, int port)
{
if (BindPort(ip, port)) {
return Run();
}
return false;
}
bool
SocketDescriptor::CreateTCPListener(unsigned port, unsigned backlog)
{
if (!CreateTCP())
return false;
// Set socket options
const int reuse = 1;
#ifdef HAVE_POSIX
const void *optval = &reuse;
#else
const char *optval = (const char *)&reuse;
#endif
setsockopt(Get(), SOL_SOCKET, SO_REUSEADDR, optval, sizeof(reuse));
// Bind socket to specified port number
if (!BindPort(port)){
Close();
return false;
}
if (listen(Get(), backlog) < 0) {
Close();
return false;
}
return true;
}
bool
SocketDescriptor::CreateUDPListener(unsigned port)
{
if (!CreateUDP())
return false;
// Bind socket to specified port number
if (!BindPort(port)){
Close();
return false;
}
return true;
}
int InspIRCd::BindPorts(FailedPortList& failed_ports)
{
int bound = 0;
std::vector<ListenSocket*> old_ports(ports.begin(), ports.end());
ConfigTagList tags = ServerInstance->Config->ConfTags("bind");
for (ConfigIter i = tags.first; i != tags.second; ++i)
{
ConfigTag* tag = i->second;
// Are we creating a TCP/IP listener?
const std::string address = tag->getString("address");
const std::string portlist = tag->getString("port");
if (!address.empty() || !portlist.empty())
{
// InspIRCd supports IPv4 and IPv6 natively; no 4in6 required.
if (strncasecmp(address.c_str(), "::ffff:", 7) == 0)
this->Logs.Log("SOCKET", LOG_DEFAULT, "Using 4in6 (::ffff:) isn't recommended. You should bind IPv4 addresses directly instead.");
// A TCP listener with no ports is not very useful.
if (portlist.empty())
this->Logs.Log("SOCKET", LOG_DEFAULT, "TCP listener on %s at %s has no ports specified!",
address.empty() ? "*" : address.c_str(), tag->getTagLocation().c_str());
irc::portparser portrange(portlist, false);
for (int port; (port = portrange.GetToken()); )
{
irc::sockets::sockaddrs bindspec;
if (!irc::sockets::aptosa(address, port, bindspec))
continue;
if (!BindPort(tag, bindspec, old_ports))
failed_ports.push_back(std::make_pair(bindspec, errno));
else
bound++;
}
continue;
}
#ifndef _WIN32
// Are we creating a UNIX listener?
const std::string path = tag->getString("path");
if (!path.empty())
{
// UNIX socket paths are length limited to less than PATH_MAX.
irc::sockets::sockaddrs bindspec;
if (path.length() > std::min(ServerInstance->Config->Limits.MaxHost, sizeof(bindspec.un.sun_path)))
{
this->Logs.Log("SOCKET", LOG_DEFAULT, "UNIX listener on %s at %s specified a path that is too long!",
path.c_str(), tag->getTagLocation().c_str());
continue;
}
// Create the bindspec manually (aptosa doesn't work with AF_UNIX yet).
memset(&bindspec, 0, sizeof(bindspec));
bindspec.un.sun_family = AF_UNIX;
memcpy(&bindspec.un.sun_path, path.c_str(), sizeof(bindspec.un.sun_path));
if (!BindPort(tag, bindspec, old_ports))
failed_ports.push_back(std::make_pair(bindspec, errno));
else
bound++;
}
#endif
}
std::vector<ListenSocket*>::iterator n = ports.begin();
for (std::vector<ListenSocket*>::iterator o = old_ports.begin(); o != old_ports.end(); ++o)
{
while (n != ports.end() && *n != *o)
n++;
if (n == ports.end())
{
this->Logs.Log("SOCKET", LOG_DEFAULT, "Port bindings slipped out of vector, aborting close!");
break;
}
this->Logs.Log("SOCKET", LOG_DEFAULT, "Port binding %s was removed from the config file, closing.",
(**n).bind_sa.str().c_str());
delete *n;
// this keeps the iterator valid, pointing to the next element
n = ports.erase(n);
}
return bound;
}
static void WrapBindPort(int portIdx, int periId)
{
if (periId >= 0 && periId < s_periMapSize) {
BindPort(portIdx, s_periMap[periId]);
}
}