X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/c37030c2566a511787933f801a89430f26e5b18a..d2cca6ec46865a1f5167f846e67150dc19ca2022:/methods/http.h diff --git a/methods/http.h b/methods/http.h index a6191e501..7a3ccda54 100644 --- a/methods/http.h +++ b/methods/http.h @@ -3,7 +3,7 @@ // $Id: http.h,v 1.12 2002/04/18 05:09:38 jgg Exp $ /* ###################################################################### - HTTP Aquire Method - This is the HTTP aquire method for APT. + HTTP Acquire Method - This is the HTTP aquire method for APT. ##################################################################### */ /*}}}*/ @@ -11,41 +11,42 @@ #ifndef APT_HTTP_H #define APT_HTTP_H -#define MAXLEN 360 +#include -#include +#include 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)) @@ -60,27 +61,27 @@ class CircleBuf // 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 @@ -89,16 +90,17 @@ 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; + std::string Location; // This is a Persistent attribute of the server itself. bool Pipeline; @@ -111,12 +113,25 @@ struct ServerState 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(); @@ -132,19 +147,44 @@ class HttpMethod : public pkgAcqMethod bool Go(bool ToFile,ServerState *Srv); bool Flush(ServerState *Srv); bool ServerDie(ServerState *Srv); - int DealWithHeaders(FetchResult &Res,ServerState *Srv); - virtual bool Fetch(FetchItem *); - virtual bool Configuration(string Message); + /** \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 A 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(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 *); + std::string NextURI; + std::string AutoDetectProxyCmd; + public: - friend class ServerState; + friend struct ServerState; FileFd *File; ServerState *Server;