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authorMichael Vogt <mvo@ubuntu.com>2014-06-10 19:00:41 +0200
committerMichael Vogt <mvo@ubuntu.com>2014-06-10 19:00:41 +0200
commitafaeea148553439684e6091f282bf5a4ee5c00d6 (patch)
tree9de4549d414a78bed64a2a20f7941695c7d6c4df /ftparchive/cachedb.h
parentb4278cc96fa0184b4f522e2bcfe82bd8eba93595 (diff)
parenteea0f3a6197dba565c5df349ed06c0a70b49b77f (diff)
Merge branch 'debian/sid' into ubuntu/master1.0.4ubuntu1
Conflicts: configure.ac debian/changelog
Diffstat (limited to 'ftparchive/cachedb.h')
-rw-r--r--ftparchive/cachedb.h69
1 files changed, 61 insertions, 8 deletions
diff --git a/ftparchive/cachedb.h b/ftparchive/cachedb.h
index 49b9a0ef5..29d710d2c 100644
--- a/ftparchive/cachedb.h
+++ b/ftparchive/cachedb.h
@@ -22,9 +22,11 @@
#include <stdio.h>
#include "contents.h"
+#include "sources.h"
class FileFd;
+
class CacheDB
{
protected:
@@ -39,7 +41,7 @@ class CacheDB
std::string DBFile;
// Generate a key for the DB of a given type
- inline void InitQuery(const char *Type)
+ void _InitQuery(const char *Type)
{
memset(&Key,0,sizeof(Key));
memset(&Data,0,sizeof(Data));
@@ -47,6 +49,19 @@ class CacheDB
Key.size = snprintf(TmpKey,sizeof(TmpKey),"%s:%s",FileName.c_str(), Type);
}
+ void InitQueryStats() {
+ _InitQuery("st");
+ }
+ void InitQuerySource() {
+ _InitQuery("cs");
+ }
+ void InitQueryControl() {
+ _InitQuery("cl");
+ }
+ void InitQueryContent() {
+ _InitQuery("cn");
+ }
+
inline bool Get()
{
return Dbp->get(Dbp,0,&Key,&Data,0) == 0;
@@ -65,10 +80,20 @@ class CacheDB
return true;
}
bool OpenFile();
- bool GetFileStat(bool const &doStat = false);
+ void CloseFile();
+
+ bool OpenDebFile();
+ void CloseDebFile();
+
+ // GetCurStat needs some compat code, see lp #1274466)
+ bool GetCurStatCompatOldFormat();
+ bool GetCurStatCompatNewFormat();
bool GetCurStat();
+
+ bool GetFileStat(bool const &doStat = false);
bool LoadControl();
bool LoadContents(bool const &GenOnly);
+ bool LoadSource();
bool GetMD5(bool const &GenOnly);
bool GetSHA1(bool const &GenOnly);
bool GetSHA256(bool const &GenOnly);
@@ -77,8 +102,23 @@ class CacheDB
// Stat info stored in the DB, Fixed types since it is written to disk.
enum FlagList {FlControl = (1<<0),FlMD5=(1<<1),FlContents=(1<<2),
FlSize=(1<<3), FlSHA1=(1<<4), FlSHA256=(1<<5),
- FlSHA512=(1<<6)};
+ FlSHA512=(1<<6), FlSource=(1<<7),
+ };
+
+ // the on-disk format changed (FileSize increased to 64bit) in
+ // commit 650faab0 which will lead to corruption with old caches
+ struct StatStoreOldFormat
+ {
+ uint32_t Flags;
+ uint32_t mtime;
+ uint32_t FileSize;
+ uint8_t MD5[16];
+ uint8_t SHA1[20];
+ uint8_t SHA256[32];
+ } CurStatOldFormat;
+ // WARNING: this struct is read/written to the DB so do not change the
+ // layout of the fields (see lp #1274466), only append to it
struct StatStore
{
uint32_t Flags;
@@ -101,6 +141,8 @@ class CacheDB
// Data collection helpers
debDebFile::MemControlExtract Control;
ContentsExtract Contents;
+ DscExtract Dsc;
+
std::string MD5Res;
std::string SHA1Res;
std::string SHA256Res;
@@ -132,21 +174,32 @@ class CacheDB
SHA512Bytes(0),Packages(0), Misses(0), DeLinkBytes(0) {};
} Stats;
- bool ReadyDB(std::string const &DB);
+ bool ReadyDB(std::string const &DB = "");
inline bool DBFailed() {return Dbp != 0 && DBLoaded == false;};
inline bool Loaded() {return DBLoaded == true;};
inline unsigned long long GetFileSize(void) {return CurStat.FileSize;}
bool SetFile(std::string const &FileName,struct stat St,FileFd *Fd);
- bool GetFileInfo(std::string const &FileName, bool const &DoControl, bool const &DoContents, bool const &GenContentsOnly,
- bool const &DoMD5, bool const &DoSHA1, bool const &DoSHA256, bool const &DoSHA512, bool const &checkMtime = false);
+
+ // terrible old overloaded interface
+ bool GetFileInfo(std::string const &FileName,
+ bool const &DoControl,
+ bool const &DoContents,
+ bool const &GenContentsOnly,
+ bool const &DoSource,
+ bool const &DoMD5,
+ bool const &DoSHA1,
+ bool const &DoSHA256,
+ bool const &DoSHA512,
+ bool const &checkMtime = false);
+
bool Finish();
bool Clean();
- CacheDB(std::string const &DB) : Dbp(0), Fd(NULL), DebFile(0) {TmpKey[0]='\0'; ReadyDB(DB);};
- ~CacheDB() {ReadyDB(std::string()); delete DebFile;};
+ CacheDB(std::string const &DB);
+ ~CacheDB();
};
#endif