diff options
Diffstat (limited to 'methods')
| -rw-r--r-- | methods/connect.cc | 64 |
1 files changed, 37 insertions, 27 deletions
diff --git a/methods/connect.cc b/methods/connect.cc index e92eebe76..d0dcde698 100644 --- a/methods/connect.cc +++ b/methods/connect.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: connect.cc,v 1.5 2000/05/12 05:04:57 jgg Exp $ +// $Id: connect.cc,v 1.6 2000/05/28 04:34:44 jgg Exp $ /* ###################################################################### Connect - Replacement connect call @@ -38,9 +38,12 @@ static bool DoConnect(struct addrinfo *Addr,string Host, { // Show a status indicator char Name[NI_MAXHOST]; + char Service[NI_MAXSERV]; Name[0] = 0; + Service[0] = 0; getnameinfo(Addr->ai_addr,Addr->ai_addrlen, - Name,sizeof(Name),0,0,NI_NUMERICHOST); + Name,sizeof(Name),Service,sizeof(Service), + NI_NUMERICHOST|NI_NUMERICSERV); Owner->Status("Connecting to %s (%s)",Host.c_str(),Name); // Get a socket @@ -52,13 +55,13 @@ static bool DoConnect(struct addrinfo *Addr,string Host, if (connect(Fd,Addr->ai_addr,Addr->ai_addrlen) < 0 && errno != EINPROGRESS) return _error->Errno("connect","Cannot initiate the connection " - "to %s (%s).",Host.c_str(),Name); + "to %s:%s (%s).",Host.c_str(),Service,Name); /* This implements a timeout for connect by opening the connection nonblocking */ if (WaitFd(Fd,true,TimeOut) == false) - return _error->Error("Could not connect to %s (%s), " - "connection timed out",Host.c_str(),Name); + return _error->Error("Could not connect to %s:%s (%s), " + "connection timed out",Host.c_str(),Service,Name); // Check the socket for an error condition unsigned int Err; @@ -67,8 +70,12 @@ static bool DoConnect(struct addrinfo *Addr,string Host, return _error->Errno("getsockopt","Failed"); if (Err != 0) - return _error->Error("Could not connect to %s (%s).",Host.c_str(),Name); - + { + errno = Err; + return _error->Errno("connect","Could not connect to %s:%s (%s).",Host.c_str(), + Service,Name); + } + return true; } /*}}}*/ @@ -80,6 +87,13 @@ bool Connect(string Host,int Port,const char *Service,int DefPort,int &Fd, { if (_error->PendingError() == true) return false; + + // Convert the port name/number + char ServStr[300]; + if (Port != 0) + snprintf(ServStr,sizeof(ServStr),"%u",Port); + else + snprintf(ServStr,sizeof(ServStr),"%s",Service); /* We used a cached address record.. Yes this is against the spec but the way we have setup our rotating dns suggests that this is more @@ -88,59 +102,49 @@ bool Connect(string Host,int Port,const char *Service,int DefPort,int &Fd, { Owner->Status("Connecting to %s",Host.c_str()); - // Lookup the host - char S[300]; - if (Port != 0) - snprintf(S,sizeof(S),"%u",Port); - else - snprintf(S,sizeof(S),"%s",Service); - // Free the old address structure if (LastHostAddr != 0) { freeaddrinfo(LastHostAddr); LastHostAddr = 0; + LastUsed = 0; } // We only understand SOCK_STREAM sockets. struct addrinfo Hints; memset(&Hints,0,sizeof(Hints)); Hints.ai_socktype = SOCK_STREAM; - Hints.ai_protocol = IPPROTO_TCP; // Right? + Hints.ai_protocol = 0; // Resolve both the host and service simultaneously while (1) { int Res; - if ((Res = getaddrinfo(Host.c_str(),S,&Hints,&LastHostAddr)) != 0 || + if ((Res = getaddrinfo(Host.c_str(),ServStr,&Hints,&LastHostAddr)) != 0 || LastHostAddr == 0) { if (Res == EAI_NONAME || Res == EAI_SERVICE) { if (DefPort != 0) { - snprintf(S,sizeof(S),"%u",DefPort); + snprintf(ServStr,sizeof(ServStr),"%u",DefPort); DefPort = 0; continue; } return _error->Error("Could not resolve '%s'",Host.c_str()); } - return _error->Error("Something wicked happend resolving '%s/%s'", - Host.c_str(),S); + return _error->Error("Something wicked happend resolving '%s:%s'", + Host.c_str(),ServStr); } break; } - if (LastHostAddr->ai_family == AF_UNIX) - return _error->Error("getaddrinfo returned a unix domain socket\n"); - LastHost = Host; LastPort = Port; - LastUsed = 0; } - // Get the printable IP address + // When we have an IP rotation stay with the last IP. struct addrinfo *CurHost = LastHostAddr; if (LastUsed != 0) CurHost = LastUsed; @@ -155,14 +159,20 @@ bool Connect(string Host,int Port,const char *Service,int DefPort,int &Fd, close(Fd); Fd = -1; - CurHost = CurHost->ai_next; + // Ignore UNIX domain sockets + do + { + CurHost = CurHost->ai_next; + } + while (CurHost != 0 && CurHost->ai_family == AF_UNIX); + LastUsed = 0; if (CurHost != 0) _error->Discard(); } - + if (_error->PendingError() == true) return false; - return _error->Error("Unable to connect to '%s'",Host.c_str()); + return _error->Error("Unable to connect to %s:",Host.c_str(),ServStr); } /*}}}*/ |