* apt-pkg/deb/dpkgpm.cc:

[apt.git] / apt-pkg / deb / dpkgpm.cc

diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index bc15b88195cc163ad7dd79dedaa5972174db1a1f..36c20ad85b0ce56da33501121c24359d438a0619 100644 (file)
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -25,6 +25,8 @@
 #include <signal.h>
 #include <errno.h>
 #include <stdio.h>
+#include <string.h>
+#include <algorithm>
 #include <sstream>
 #include <map>
 
@@ -39,7 +41,38 @@
 
 using namespace std;
 
-
+namespace
+{
+  // Maps the dpkg "processing" info to human readable names.  Entry 0
+  // of each array is the key, entry 1 is the value.
+  const std::pair<const char *, const char *> PackageProcessingOps[] = {
+    std::make_pair("install",   N_("Installing %s")),
+    std::make_pair("configure", N_("Configuring %s")),
+    std::make_pair("remove",    N_("Removing %s")),
+    std::make_pair("trigproc",  N_("Running post-installation trigger %s"))
+  };
+
+  const std::pair<const char *, const char *> * const PackageProcessingOpsBegin = PackageProcessingOps;
+  const std::pair<const char *, const char *> * const PackageProcessingOpsEnd   = PackageProcessingOps + sizeof(PackageProcessingOps) / sizeof(PackageProcessingOps[0]);
+
+  // Predicate to test whether an entry in the PackageProcessingOps
+  // array matches a string.
+  class MatchProcessingOp
+  {
+    const char *target;
+
+  public:
+    MatchProcessingOp(const char *the_target)
+      : target(the_target)
+    {
+    }
+
+    bool operator()(const std::pair<const char *, const char *> &pair) const
+    {
+      return strcmp(pair.first, target) == 0;
+    }
+  };
+}
 
 // DPkgPM::pkgDPkgPM - Constructor                                     /*{{{*/
 // ---------------------------------------------------------------------
@@ -333,6 +366,12 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
       'status: /var/cache/apt/archives/krecipes_0.8.1-0ubuntu1_i386.deb : error : trying to overwrite `/usr/share/doc/kde/HTML/en/krecipes/krectip.png', which is also in package krecipes-data 
       and conffile-prompt like this
       'status: conffile-prompt: conffile : 'current-conffile' 'new-conffile' useredited distedited
+      
+      Newer versions of dpkg sent also:
+      'processing: install: pkg'
+      'processing: configure: pkg'
+      'processing: remove: pkg'
+      'processing: trigproc: trigger'
            
    */
    char* list[5];
@@ -351,6 +390,36 @@ void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line)
    char *pkg = list[1];
    char *action = _strstrip(list[2]);
 
+   // 'processing' from dpkg looks like
+   // 'processing: action: pkg'
+   if(strncmp(list[0], "processing", strlen("processing")) == 0)
+   {
+      char s[200];
+      char *pkg_or_trigger = _strstrip(list[2]);
+      action =_strstrip( list[1]);
+      const std::pair<const char *, const char *> * const iter =
+       std::find_if(PackageProcessingOpsBegin,
+                    PackageProcessingOpsEnd,
+                    MatchProcessingOp(action));
+      if(iter == PackageProcessingOpsEnd)
+      {
+        if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+           std::clog << "ignoring unknwon action: " << action << std::endl;
+        return;
+      }
+      snprintf(s, sizeof(s), _(iter->second), pkg_or_trigger);
+
+      status << "pmstatus:" << pkg_or_trigger
+            << ":"  << (PackagesDone/float(PackagesTotal)*100.0) 
+            << ":" << s
+            << endl;
+      if(OutStatusFd > 0)
+        write(OutStatusFd, status.str().c_str(), status.str().size());
+      if (_config->FindB("Debug::pkgDPkgProgressReporting",false) == true)
+        std::clog << "send: '" << status.str() << "'" << endl;
+      return;
+   }
+
    if(strncmp(action,"error",strlen("error")) == 0)
    {
       status << "pmerror:" << list[1]
@@ -462,7 +531,7 @@ bool pkgDPkgPM::OpenLog()
       struct tm *tmp = localtime(&t);
       strftime(outstr, sizeof(outstr), "%F  %T", tmp);
       fprintf(term_out, "\nLog started: ");
-      fprintf(term_out, outstr);
+      fprintf(term_out, "%s", outstr);
       fprintf(term_out, "\n");
    }
    return true;
@@ -477,7 +546,7 @@ bool pkgDPkgPM::CloseLog()
       struct tm *tmp = localtime(&t);
       strftime(outstr, sizeof(outstr), "%F  %T", tmp);
       fprintf(term_out, "Log ended: ");
-      fprintf(term_out, outstr);
+      fprintf(term_out, "%s", outstr);
       fprintf(term_out, "\n");
       fclose(term_out);
    }
@@ -518,15 +587,21 @@ static int racy_pselect(int nfds, fd_set *readfds, fd_set *writefds,
 */
 bool pkgDPkgPM::Go(int OutStatusFd)
 {
+   fd_set rfds;
+   struct timespec tv;
+   sigset_t sigmask;
+   sigset_t original_sigmask;
+
    unsigned int MaxArgs = _config->FindI("Dpkg::MaxArgs",8*1024);   
    unsigned int MaxArgBytes = _config->FindI("Dpkg::MaxArgBytes",32*1024);
+   bool NoTriggers = _config->FindB("DPkg::NoTriggers",false);
 
    if (RunScripts("DPkg::Pre-Invoke") == false)
       return false;
 
    if (RunScriptsWithPkgs("DPkg::Pre-Install-Pkgs") == false)
       return false;
-   
+
    // map the dpkg states to the operations that are performed
    // (this is sorted in the same way as Item::Ops)
    static const struct DpkgState DpkgStatesOpMap[][7] = {
@@ -649,6 +724,8 @@ bool pkgDPkgPM::Go(int OutStatusFd)
         
         case Item::Configure:
         Args[n++] = "--configure";
+        if (NoTriggers)
+           Args[n++] = "--no-triggers";
         Size += strlen(Args[n-1]);
         break;
         
@@ -723,7 +800,14 @@ bool pkgDPkgPM::Go(int OutStatusFd)
         rtt = tt;
         cfmakeraw(&rtt);
         rtt.c_lflag &= ~ECHO;
+        // block SIGTTOU during tcsetattr to prevent a hang if
+        // the process is a member of the background process group
+        // http://www.opengroup.org/onlinepubs/000095399/functions/tcsetattr.html
+        sigemptyset(&sigmask);
+        sigaddset(&sigmask, SIGTTOU);
+        sigprocmask(SIG_BLOCK,&sigmask, &original_sigmask);
         tcsetattr(0, TCSAFLUSH, &rtt);
+        sigprocmask(SIG_SETMASK, &original_sigmask, 0);
       }
 
        // Fork dpkg
@@ -790,10 +874,6 @@ bool pkgDPkgPM::Go(int OutStatusFd)
         close(slave);
 
       // setups fds
-      fd_set rfds;
-      struct timespec tv;
-      sigset_t sigmask;
-      sigset_t original_sigmask;
       sigemptyset(&sigmask);
       sigprocmask(SIG_BLOCK,&sigmask,&original_sigmask);
 
@@ -884,6 +964,8 @@ bool pkgDPkgPM::Go(int OutStatusFd)
 
    if (RunScripts("DPkg::Post-Invoke") == false)
       return false;
+
+   Cache.writeStateFile(NULL);
    return true;
 }
                                                                        /*}}}*/