* Apply --important option to apt-cache depends (LP: #16947)

[apt.git] / methods / connect.cc

diff --git a/methods/connect.cc b/methods/connect.cc
index f3470af46642804e50ea1a0d6b086313d964935d..355bd5c4d2253f3d88f8346a614ba3622958b032 100644 (file)
--- a/methods/connect.cc
+++ b/methods/connect.cc
@@ -1,10 +1,13 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: connect.cc,v 1.7 2001/02/20 07:03:18 jgg Exp $
+// $Id: connect.cc,v 1.10.2.1 2004/01/16 18:58:50 mdz Exp $
 /* ######################################################################
 
    Connect - Replacement connect call
-   
+
+   This was originally authored by Jason Gunthorpe <jgg@debian.org>
+   and is placed in the Public Domain, do with it what you will.
+      
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
@@ -16,6 +19,9 @@
 #include <errno.h>
 #include <unistd.h>
 
+#include<set>
+#include<string>
+
 // Internet stuff
 #include <netinet/in.h>
 #include <sys/socket.h>
@@ -23,6 +29,7 @@
 #include <netdb.h>
 
 #include "rfc2553emu.h"
+#include <apti18n.h>
                                                                        /*}}}*/
 
 static string LastHost;
@@ -30,6 +37,9 @@ 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 
@@ -57,14 +67,18 @@ static bool DoConnect(struct addrinfo *Addr,string Host,
    getnameinfo(Addr->ai_addr,Addr->ai_addrlen,
               Name,sizeof(Name),Service,sizeof(Service),
               NI_NUMERICHOST|NI_NUMERICSERV);
-   Owner->Status("Connecting to %s (%s)",Host.c_str(),Name);
+   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)
    {
       char Name2[NI_MAXHOST + NI_MAXSERV + 10];
-      snprintf(Name2,sizeof(Name2),"[IP: %s %s]",Name,Service);
+      snprintf(Name2,sizeof(Name2),_("[IP: %s %s]"),Name,Service);
       Owner->SetFailExtraMsg(string(Name2));
    }   
    else
@@ -73,31 +87,36 @@ static bool DoConnect(struct addrinfo *Addr,string Host,
    // Get a socket
    if ((Fd = socket(Addr->ai_family,Addr->ai_socktype,
                    Addr->ai_protocol)) < 0)
-      return _error->Errno("socket","Could not create a socket for %s (f=%u t=%u p=%u)",
+      return _error->Errno("socket",_("Could not create a socket for %s (f=%u t=%u p=%u)"),
                           Name,Addr->ai_family,Addr->ai_socktype,Addr->ai_protocol);
    
    SetNonBlock(Fd,true);
    if (connect(Fd,Addr->ai_addr,Addr->ai_addrlen) < 0 &&
        errno != EINPROGRESS)
-      return _error->Errno("connect","Cannot initiate the connection "
-                          "to %s:%s (%s).",Host.c_str(),Service,Name);
+      return _error->Errno("connect",_("Cannot initiate the connection "
+                          "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 (%s), "
-                          "connection timed out",Host.c_str(),Service,Name);
+   if (WaitFd(Fd,true,TimeOut) == false) {
+      bad_addr.insert(bad_addr.begin(), string(Name));
+      Owner->SetFailExtraMsg("\nFailReason: Timeout");
+      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;
    unsigned int Len = sizeof(Err);
    if (getsockopt(Fd,SOL_SOCKET,SO_ERROR,&Err,&Len) != 0)
-      return _error->Errno("getsockopt","Failed");
+      return _error->Errno("getsockopt",_("Failed"));
    
    if (Err != 0)
    {
       errno = Err;
-      return _error->Errno("connect","Could not connect to %s:%s (%s).",Host.c_str(),
+      if(errno == ECONNREFUSED)
+         Owner->SetFailExtraMsg("\nFailReason: ConnectionRefused");
+      return _error->Errno("connect",_("Could not connect to %s:%s (%s)."),Host.c_str(),
                           Service,Name);
    }
    
@@ -125,7 +144,7 @@ bool Connect(string Host,int Port,const char *Service,int DefPort,int &Fd,
       sensible */
    if (LastHost != Host || LastPort != Port)
    {
-      Owner->Status("Connecting to %s",Host.c_str());
+      Owner->Status(_("Connecting to %s"),Host.c_str());
 
       // Free the old address structure
       if (LastHostAddr != 0)
@@ -141,6 +160,10 @@ 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)
       {
@@ -156,10 +179,18 @@ bool Connect(string Host,int Port,const char *Service,int DefPort,int &Fd,
                  DefPort = 0;
                  continue;
               }
-              return _error->Error("Could not resolve '%s'",Host.c_str());
+              bad_addr.insert(bad_addr.begin(), Host);
+              Owner->SetFailExtraMsg("\nFailReason: ResolveFailure");
+              return _error->Error(_("Could not resolve '%s'"),Host.c_str());
            }
            
-           return _error->Error("Something wicked happened resolving '%s:%s' (%i)",
+           if (Res == EAI_AGAIN)
+           {
+              Owner->SetFailExtraMsg("\nFailReason: TmpResolveFailure");
+              return _error->Error(_("Temporary failure resolving '%s'"),
+                                   Host.c_str());
+           }
+           return _error->Error(_("Something wicked happened resolving '%s:%s' (%i)"),
                                 Host.c_str(),ServStr,Res);
         }
         break;
@@ -206,6 +237,6 @@ bool Connect(string Host,int Port,const char *Service,int DefPort,int &Fd,
 
    if (_error->PendingError() == true)
       return false;   
-   return _error->Error("Unable to connect to %s %s:",Host.c_str(),ServStr);
+   return _error->Error(_("Unable to connect to %s %s:"),Host.c_str(),ServStr);
 }
                                                                        /*}}}*/