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[apt.git] / methods / server.h

diff --git a/methods/server.h b/methods/server.h
index d1e151f8af6010e8215067975358bc826d2c9e11..c3adba87a48034409e3d6cede3dded4d651d5a1f 100644 (file)
--- a/methods/server.h
+++ b/methods/server.h
@@ -12,11 +12,12 @@
 #define APT_SERVER_H
 
 #include <apt-pkg/strutl.h>
-#include <apt-pkg/acquire-method.h>
+#include "aptmethod.h"
 
 #include <time.h>
 #include <iostream>
 #include <string>
+#include <memory>
 
 using std::cout;
 using std::endl;
@@ -34,13 +35,23 @@ struct ServerState
    char Code[360];
 
    // These are some statistics from the last parsed header lines
-   unsigned long long Size;
+
+   // total size of the usable content (aka: the file)
+   unsigned long long TotalFileSize;
+   // size we actually download (can be smaller than Size if we have partial content)
+   unsigned long long DownloadSize;
+   // size of junk content (aka: server error pages)
+   unsigned long long JunkSize;
+   // The start of the data (for partial content)
    unsigned long long StartPos;
+
    time_t Date;
    bool HaveContent;
    enum {Chunked,Stream,Closes} Encoding;
    enum {Header, Data} State;
    bool Persistent;
+   bool PipelineAllowed;
+   bool RangesAllowed;
    std::string Location;
 
    // This is a Persistent attribute of the server itself.
@@ -49,6 +60,8 @@ struct ServerState
    URI Proxy;
    unsigned long TimeOut;
 
+   unsigned long long MaximumSize;
+
    protected:
    ServerMethod *Owner;
 
@@ -68,23 +81,23 @@ struct ServerState
       RUN_HEADERS_PARSE_ERROR
    };
    /** \brief Get the headers before the data */
-   RunHeadersResult RunHeaders(FileFd * const File);
+   RunHeadersResult RunHeaders(FileFd * const File, const std::string &Uri);
+   bool AddPartialFileToHashes(FileFd &File);
 
    bool Comp(URI Other) const {return Other.Host == ServerName.Host && Other.Port == ServerName.Port;};
-   virtual void Reset() {Major = 0; Minor = 0; Result = 0; Code[0] = '\0'; Size = 0;
-                StartPos = 0; Encoding = Closes; time(&Date); HaveContent = false;
-                State = Header; Persistent = false; Pipeline = true;};
+   virtual void Reset(bool const Everything = true);
    virtual bool WriteResponse(std::string const &Data) = 0;
 
    /** \brief Transfer the data from the socket */
    virtual bool RunData(FileFd * const File) = 0;
+   virtual bool RunDataToDevNull() = 0;
 
    virtual bool Open() = 0;
    virtual bool IsOpen() = 0;
    virtual bool Close() = 0;
-   virtual bool InitHashes(FileFd &File) = 0;
+   virtual bool InitHashes(HashStringList const &ExpectedHashes) = 0;
    virtual Hashes * GetHashes() = 0;
-   virtual bool Die(FileFd &File) = 0;
+   virtual bool Die(FileFd * const File) = 0;
    virtual bool Flush(FileFd * const File) = 0;
    virtual bool Go(bool ToFile, FileFd * const File) = 0;
 
@@ -92,18 +105,22 @@ struct ServerState
    virtual ~ServerState() {};
 };
 
-class ServerMethod : public pkgAcqMethod
+class ServerMethod : public aptMethod
 {
    protected:
-   virtual bool Fetch(FetchItem *);
+   virtual bool Fetch(FetchItem *) APT_OVERRIDE;
 
-   ServerState *Server;
+   std::unique_ptr<ServerState> Server;
    std::string NextURI;
    FileFd *File;
 
    unsigned long PipelineDepth;
    bool AllowRedirect;
 
+   // Find the biggest item in the fetch queue for the checking of the maximum
+   // size
+   unsigned long long FindMaximumObjectSizeInQueue() const APT_PURE;
+
    public:
    bool Debug;
 
@@ -123,24 +140,26 @@ class ServerMethod : public pkgAcqMethod
       TRY_AGAIN_OR_REDIRECT
    };
    /** \brief Handle the retrieved header data */
-   DealWithHeadersResult DealWithHeaders(FetchResult &Res);
+   virtual DealWithHeadersResult DealWithHeaders(FetchResult &Res);
 
    // In the event of a fatal signal this file will be closed and timestamped.
    static std::string FailFile;
    static int FailFd;
    static time_t FailTime;
-   static void SigTerm(int);
+   static APT_NORETURN void SigTerm(int);
 
-   virtual bool Configuration(std::string Message);
    virtual bool Flush() { return Server->Flush(File); };
 
    int Loop();
 
    virtual void SendReq(FetchItem *Itm) = 0;
-   virtual ServerState * CreateServerState(URI uri) = 0;
+   virtual std::unique_ptr<ServerState> CreateServerState(URI const &uri) = 0;
    virtual void RotateDNS() = 0;
+   virtual bool Configuration(std::string Message) APT_OVERRIDE;
+
+   bool AddProxyAuth(URI &Proxy, URI const &Server) const;
 
-   ServerMethod(const char *Ver,unsigned long Flags = 0) : pkgAcqMethod(Ver, Flags), Server(NULL), File(NULL), PipelineDepth(0), AllowRedirect(false), Debug(false) {};
+   ServerMethod(std::string &&Binary, char const * const Ver,unsigned long const Flags);
    virtual ~ServerMethod() {};
 };