#ifndef APT_HTTP_H
#define APT_HTTP_H
-#define MAXLEN 360
-
+#include <apt-pkg/strutl.h>
+#include <string>
using std::cout;
using std::endl;
class HttpMethod;
+class Hashes;
class CircleBuf
{
unsigned char *Buf;
- unsigned long Size;
- unsigned long InP;
- unsigned long OutP;
- string OutQueue;
- unsigned long StrPos;
- unsigned long MaxGet;
+ unsigned long long Size;
+ unsigned long long InP;
+ unsigned long long OutP;
+ std::string OutQueue;
+ unsigned long long StrPos;
+ unsigned long long MaxGet;
struct timeval Start;
- static unsigned long BwReadLimit;
- static unsigned long BwTickReadData;
+ static unsigned long long BwReadLimit;
+ static unsigned long long BwTickReadData;
static struct timeval BwReadTick;
static const unsigned int BW_HZ;
- unsigned long LeftRead()
+ unsigned long long LeftRead() const
{
- unsigned long Sz = Size - (InP - OutP);
+ unsigned long long Sz = Size - (InP - OutP);
if (Sz > Size - (InP%Size))
Sz = Size - (InP%Size);
return Sz;
}
- unsigned long LeftWrite()
+ unsigned long long LeftWrite() const
{
- unsigned long Sz = InP - OutP;
+ unsigned long long Sz = InP - OutP;
if (InP > MaxGet)
Sz = MaxGet - OutP;
if (Sz > Size - (OutP%Size))
// Read data in
bool Read(int Fd);
- bool Read(string Data);
+ bool Read(std::string Data);
// Write data out
bool Write(int Fd);
- bool WriteTillEl(string &Data,bool Single = false);
+ bool WriteTillEl(std::string &Data,bool Single = false);
// Control the write limit
- void Limit(long Max) {if (Max == -1) MaxGet = 0-1; else MaxGet = OutP + Max;}
- bool IsLimit() {return MaxGet == OutP;};
- void Print() {cout << MaxGet << ',' << OutP << endl;};
+ void Limit(long long Max) {if (Max == -1) MaxGet = 0-1; else MaxGet = OutP + Max;}
+ bool IsLimit() const {return MaxGet == OutP;};
+ void Print() const {cout << MaxGet << ',' << OutP << endl;};
// Test for free space in the buffer
- bool ReadSpace() {return Size - (InP - OutP) > 0;};
- bool WriteSpace() {return InP - OutP > 0;};
+ bool ReadSpace() const {return Size - (InP - OutP) > 0;};
+ bool WriteSpace() const {return InP - OutP > 0;};
// Dump everything
void Reset();
void Stats();
- CircleBuf(unsigned long Size);
- ~CircleBuf() {delete [] Buf; delete Hash;};
+ CircleBuf(unsigned long long Size);
+ ~CircleBuf();
};
struct ServerState
unsigned int Major;
unsigned int Minor;
unsigned int Result;
- char Code[MAXLEN];
+ char Code[360];
// These are some statistics from the last parsed header lines
- unsigned long Size;
- signed long StartPos;
+ unsigned long long Size;
+ signed long long StartPos;
time_t Date;
bool HaveContent;
enum {Chunked,Stream,Closes} Encoding;
enum {Header, Data} State;
bool Persistent;
- string Location;
+ std::string Location;
// This is a Persistent attribute of the server itself.
bool Pipeline;
int ServerFd;
URI ServerName;
- bool HeaderLine(string Line);
- bool Comp(URI Other) {return Other.Host == ServerName.Host && Other.Port == ServerName.Port;};
- void Reset() {Major = 0; Minor = 0; Result = 0; Size = 0; StartPos = 0;
- Encoding = Closes; time(&Date); ServerFd = -1;
- Pipeline = true;};
- int RunHeaders();
+ bool HeaderLine(std::string Line);
+ bool Comp(URI Other) const {return Other.Host == ServerName.Host && Other.Port == ServerName.Port;};
+ 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; ServerFd = -1;
+ Pipeline = true;};
+
+ /** \brief Result of the header acquire */
+ enum RunHeadersResult {
+ /** \brief Header ok */
+ RUN_HEADERS_OK,
+ /** \brief IO error while retrieving */
+ RUN_HEADERS_IO_ERROR,
+ /** \brief Parse error after retrieving */
+ RUN_HEADERS_PARSE_ERROR,
+ };
+ /** \brief Get the headers before the data */
+ RunHeadersResult RunHeaders();
+ /** \brief Transfer the data from the socket */
bool RunData();
bool Open();
bool Go(bool ToFile,ServerState *Srv);
bool Flush(ServerState *Srv);
bool ServerDie(ServerState *Srv);
- int DealWithHeaders(FetchResult &Res,ServerState *Srv);
+
+ /** \brief Result of the header parsing */
+ enum DealWithHeadersResult {
+ /** \brief The file is open and ready */
+ FILE_IS_OPEN,
+ /** \brief We got a IMS hit, the file has not changed */
+ IMS_HIT,
+ /** \brief The server reported a unrecoverable error */
+ ERROR_UNRECOVERABLE,
+ /** \brief The server reported a error with a error content page */
+ ERROR_WITH_CONTENT_PAGE,
+ /** \brief An error on the client side */
+ ERROR_NOT_FROM_SERVER,
+ /** \brief A redirect or retry request */
+ TRY_AGAIN_OR_REDIRECT
+ };
+ /** \brief Handle the retrieved header data */
+ DealWithHeadersResult DealWithHeaders(FetchResult &Res,ServerState *Srv);
+
+ /** \brief Try to AutoDetect the proxy */
bool AutoDetectProxy();
- virtual bool Configuration(string Message);
+ virtual bool Configuration(std::string Message);
// In the event of a fatal signal this file will be closed and timestamped.
- static string FailFile;
+ static std::string FailFile;
static int FailFd;
static time_t FailTime;
static void SigTerm(int);
protected:
virtual bool Fetch(FetchItem *);
- string NextURI;
- string AutoDetectProxyCmd;
-
+ std::string NextURI;
+ std::string AutoDetectProxyCmd;
+
public:
- friend class ServerState;
+ friend struct ServerState;
FileFd *File;
ServerState *Server;