more explicit MarkRequired algorithm code

[apt.git] / methods / http.cc

diff --git a/methods/http.cc b/methods/http.cc
index 1b996db9816bab01f688a645a0f855b90a0c138f..fc54ece3ad2c42155d458ded77d991964751fd66 100644 (file)
--- a/methods/http.cc
+++ b/methods/http.cc
@@ -28,7 +28,6 @@
 #include <config.h>
 
 #include <apt-pkg/fileutl.h>
-#include <apt-pkg/acquire-method.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/hashes.h>
@@ -64,7 +63,8 @@ const unsigned int CircleBuf::BW_HZ=10;
 // CircleBuf::CircleBuf - Circular input buffer                                /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-CircleBuf::CircleBuf(unsigned long long Size) : Size(Size), Hash(0)
+CircleBuf::CircleBuf(unsigned long long Size)
+   : Size(Size), Hash(NULL), TotalWriten(0)
 {
    Buf = new unsigned char[Size];
    Reset();
@@ -80,12 +80,13 @@ void CircleBuf::Reset()
    InP = 0;
    OutP = 0;
    StrPos = 0;
+   TotalWriten = 0;
    MaxGet = (unsigned long long)-1;
    OutQueue = string();
-   if (Hash != 0)
+   if (Hash != NULL)
    {
       delete Hash;
-      Hash = new Hashes;
+      Hash = NULL;
    }
 }
                                                                        /*}}}*/
@@ -217,8 +218,10 @@ bool CircleBuf::Write(int Fd)
         
         return false;
       }
+
+      TotalWriten += Res;
       
-      if (Hash != 0)
+      if (Hash != NULL)
         Hash->Add(Buf + (OutP%Size),Res);
       
       OutP += Res;
@@ -438,12 +441,12 @@ bool HttpServerState::RunData(FileFd * const File)
    {
       /* Closes encoding is used when the server did not specify a size, the
          loss of the connection means we are done */
-      if (Encoding == Closes)
-        In.Limit(-1);
-      else if (JunkSize != 0)
+      if (JunkSize != 0)
         In.Limit(JunkSize);
-      else
-        In.Limit(Size - StartPos);
+      else if (DownloadSize != 0)
+        In.Limit(DownloadSize);
+      else if (Persistent == false)
+        In.Limit(-1);
       
       // Just transfer the whole block.
       do
@@ -480,16 +483,14 @@ APT_PURE bool HttpServerState::IsOpen()                                   /*{{{*/
    return (ServerFd != -1);
 }
                                                                        /*}}}*/
-bool HttpServerState::InitHashes(FileFd &File)                         /*{{{*/
+bool HttpServerState::InitHashes(HashStringList const &ExpectedHashes) /*{{{*/
 {
    delete In.Hash;
-   In.Hash = new Hashes;
-
-   // Set the expected size and read file for the hashes
-   File.Truncate(StartPos);
-   return In.Hash->AddFD(File, StartPos);
+   In.Hash = new Hashes(ExpectedHashes);
+   return true;
 }
                                                                        /*}}}*/
+
 APT_PURE Hashes * HttpServerState::GetHashes()                         /*{{{*/
 {
    return In.Hash;
@@ -520,7 +521,7 @@ bool HttpServerState::Die(FileFd &File)
 
    // See if this is because the server finished the data stream
    if (In.IsLimit() == false && State != HttpServerState::Header &&
-       Encoding != HttpServerState::Closes)
+       Persistent == true)
    {
       Close();
       if (LErrno == 0)
@@ -567,7 +568,7 @@ bool HttpServerState::Flush(FileFd * const File)
            return true;
       }
 
-      if (In.IsLimit() == true || Encoding == ServerState::Closes)
+      if (In.IsLimit() == true || Persistent == false)
         return true;
    }
    return false;
@@ -653,6 +654,13 @@ bool HttpServerState::Go(bool ToFile, FileFd * const File)
         return _error->Errno("write",_("Error writing to output file"));
    }
 
+   if (MaximumSize > 0 && File && File->Tell() > MaximumSize)
+   {
+      Owner->SetFailReason("MaximumSizeExceeded");
+      return _error->Error("Writing more data than expected (%llu > %llu)",
+                           File->Tell(), MaximumSize);
+   }
+
    // Handle commands from APT
    if (FD_ISSET(STDIN_FILENO,&rfds))
    {
@@ -699,7 +707,7 @@ void HttpMethod::SendReq(FetchItem *Itm)
       C.f. https://tools.ietf.org/wg/httpbis/trac/ticket/158 */
    Req << "GET " << requesturi << " HTTP/1.1\r\n";
    if (Uri.Port != 0)
-      Req << "Host: " << ProperHost << ":" << Uri.Port << "\r\n";
+      Req << "Host: " << ProperHost << ":" << std::to_string(Uri.Port) << "\r\n";
    else
       Req << "Host: " << ProperHost << "\r\n";
 
@@ -708,7 +716,7 @@ void HttpMethod::SendReq(FetchItem *Itm)
       Req << "Cache-Control: no-cache\r\n"
         << "Pragma: no-cache\r\n";
    else if (Itm->IndexFile == true)
-      Req << "Cache-Control: max-age=" << _config->FindI("Acquire::http::Max-Age",0) << "\r\n";
+      Req << "Cache-Control: max-age=" << std::to_string(_config->FindI("Acquire::http::Max-Age",0)) << "\r\n";
    else if (_config->FindB("Acquire::http::No-Store",false) == true)
       Req << "Cache-Control: no-store\r\n";
 
@@ -769,9 +777,9 @@ bool HttpMethod::Configuration(string Message)
    return true;
 }
                                                                        /*}}}*/
-ServerState * HttpMethod::CreateServerState(URI uri)                   /*{{{*/
+std::unique_ptr<ServerState> HttpMethod::CreateServerState(URI const &uri)/*{{{*/
 {
-   return new HttpServerState(uri, this);
+   return std::unique_ptr<ServerState>(new HttpServerState(uri, this));
 }
                                                                        /*}}}*/
 void HttpMethod::RotateDNS()                                           /*{{{*/