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Code Issues Releases Activity

read persistent ETags

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This commit is contained in:
orignal 2016-03-15 14:37:07 -04:00
parent 74efdb95e8
commit 84ccca0e98
2 changed files with 32 additions and 1 deletions
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29
AddressBook.cpp
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@ -37,6 +37,8 @@ namespace client
int Save (const std::map<std::string, i2p::data::IdentHash>& addresses);
void SaveEtag (const i2p::data::IdentHash& subsciption, const std::string& etag, const std::string& lastModified);
bool GetEtag (const i2p::data::IdentHash& subscription, std::string& etag, std::string& lastModified);
};
bool AddressBookFilesystemStorage::Init()
@ -164,6 +166,17 @@ namespace client
}
}
bool AddressBookFilesystemStorage::GetEtag (const i2p::data::IdentHash& subscription, std::string& etag, std::string& lastModified)
{
std::string fname = etagsPath + i2p::fs::dirSep + subscription.ToBase32 () + ".txt";
std::ifstream f (fname, std::ofstream::in);
if (!f || f.eof ()) return false;
std::getline (f, etag);
if (f.eof ()) return false;
std::getline (f, lastModified);
return true;
}
//---------------------------------------------------------------------
AddressBook::AddressBook (): m_Storage(new AddressBookFilesystemStorage), m_IsLoaded (false), m_IsDownloading (false),
m_DefaultSubscription (nullptr), m_SubscriptionsUpdateTimer (nullptr)
@ -355,6 +368,14 @@ namespace client
LogPrint (eLogError, "Addressbook: subscriptions already loaded");
}
bool AddressBook::GetEtag (const i2p::data::IdentHash& subscription, std::string& etag, std::string& lastModified)
{
if (m_Storage)
return m_Storage->GetEtag (subscription, etag, lastModified);
else
return false;
}
void AddressBook::DownloadComplete (bool success, const i2p::data::IdentHash& subscription, const std::string& etag, const std::string& lastModified)
{
m_IsDownloading = false;
@ -457,6 +478,12 @@ namespace client
i2p::data::IdentHash ident;
if (m_Book.GetIdentHash (u.host_, ident))
{
if (!m_Etag.length ())
{
// load ETag
m_Book.GetEtag (ident, m_Etag, m_LastModified);
LogPrint (eLogInfo, "Addressbook: set ", m_Link, " ETag: ", m_Etag, " Last-Modified: ", m_LastModified);
}
std::condition_variable newDataReceived;
std::mutex newDataReceivedMutex;
auto leaseSet = i2p::client::context.GetSharedLocalDestination ()->FindLeaseSet (ident);
@ -548,7 +575,7 @@ namespace client
!header.compare (colon + 1, std::string::npos, "x-i2p-gzip");
}
}
LogPrint (eLogInfo, "Addressbook: ", m_Link, " ETag: ", m_Etag, " Last-Modified: ", m_LastModified);
LogPrint (eLogInfo, "Addressbook: received ", m_Link, " ETag: ", m_Etag, " Last-Modified: ", m_LastModified);
if (!response.eof ())
{
success = true;

4
AddressBook.h
View File

@ -40,6 +40,7 @@ namespace client
virtual int Save (const std::map<std::string, i2p::data::IdentHash>& addresses) = 0;
virtual void SaveEtag (const i2p::data::IdentHash& subscription, const std::string& etag, const std::string& lastModified) = 0;
virtual bool GetEtag (const i2p::data::IdentHash& subscription, std::string& etag, std::string& lastModified) = 0;
};
class AddressBookSubscription;
@ -62,6 +63,9 @@ namespace client
//This method returns the ".b32.i2p" address
std::string ToAddress(const i2p::data::IdentHash& ident) { return GetB32Address(ident); }
std::string ToAddress(std::shared_ptr<const i2p::data::IdentityEx> ident) { return ToAddress(ident->GetIdentHash ()); }
bool GetEtag (const i2p::data::IdentHash& subscription, std::string& etag, std::string& lastModified);
private:
void StartSubscriptions ();