diff options
Diffstat (limited to 'methods/connect.cc')
| -rw-r--r-- | methods/connect.cc | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/methods/connect.cc b/methods/connect.cc index 145001fb3..c5d57a99f 100644 --- a/methods/connect.cc +++ b/methods/connect.cc @@ -20,6 +20,9 @@ #include <unistd.h> #include <sstream> +#include<set> +#include<string> + // Internet stuff #include <netinet/in.h> #include <sys/socket.h> @@ -35,6 +38,9 @@ static int LastPort = 0; static struct addrinfo *LastHostAddr = 0; static struct addrinfo *LastUsed = 0; +// Set of IP/hostnames that we timed out before or couldn't resolve +static std::set<string> bad_addr; + // RotateDNS - Select a new server from a DNS rotation /*{{{*/ // --------------------------------------------------------------------- /* This is called during certain errors in order to recover by selecting a @@ -64,6 +70,10 @@ static bool DoConnect(struct addrinfo *Addr,string Host, NI_NUMERICHOST|NI_NUMERICSERV); Owner->Status(_("Connecting to %s (%s)"),Host.c_str(),Name); + // if that addr did timeout before, we do not try it again + if(bad_addr.find(string(Name)) != bad_addr.end()) + return false; + /* If this is an IP rotation store the IP we are using.. If something goes wrong this will get tacked onto the end of the error message */ if (LastHostAddr->ai_next != 0) @@ -88,6 +98,7 @@ static bool DoConnect(struct addrinfo *Addr,string Host, /* This implements a timeout for connect by opening the connection nonblocking */ if (WaitFd(Fd,true,TimeOut) == false) { + bad_addr.insert(bad_addr.begin(), string(Name)); Owner->SetFailReason("Timeout"); return _error->Error(_("Could not connect to %s:%s (%s), " "connection timed out"),Host.c_str(),Service,Name); @@ -148,6 +159,10 @@ bool Connect(string Host,int Port,const char *Service,int DefPort,int &Fd, Hints.ai_socktype = SOCK_STREAM; Hints.ai_protocol = 0; + // if we couldn't resolve the host before, we don't try now + if(bad_addr.find(Host) != bad_addr.end()) + return _error->Error(_("Could not resolve '%s'"),Host.c_str()); + // Resolve both the host and service simultaneously while (1) { @@ -163,6 +178,7 @@ bool Connect(string Host,int Port,const char *Service,int DefPort,int &Fd, DefPort = 0; continue; } + bad_addr.insert(bad_addr.begin(), Host); Owner->SetFailReason("ResolveFailure"); return _error->Error(_("Could not resolve '%s'"),Host.c_str()); } |