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Code Issues Releases Activity

persist etag for addressbook subscription

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This commit is contained in:
orignal 2016-03-14 16:05:57 -04:00
parent 4934fc8809
commit 1a894abcff
4 changed files with 31 additions and 5 deletions
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23
AddressBook.cpp
View File

@ -24,7 +24,7 @@ namespace client
{
private:
i2p::fs::HashedStorage storage;
std::string indexPath;
std::string etagsPath, indexPath;
public:
AddressBookFilesystemStorage (): storage("addressbook", "b", "", "b32") {};
@ -35,11 +35,18 @@ namespace client
bool Init ();
int Load (std::map<std::string, i2p::data::IdentHash>& addresses);
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 AddressBookFilesystemStorage::Init()
{
{
storage.SetPlace(i2p::fs::GetDataDir());
// init ETags
etagsPath = storage.GetRoot() + i2p::fs::dirSep + "etags";
if (!i2p::fs::Exists (etagsPath))
i2p::fs::CreateDirectory (etagsPath);
// init storage
indexPath = storage.GetRoot() + i2p::fs::dirSep + "addresses.csv";
return storage.Init(i2p::data::GetBase32SubstitutionTable(), 32);
}
@ -146,6 +153,14 @@ namespace client
return num;
}
void AddressBookFilesystemStorage::SaveEtag (const i2p::data::IdentHash& subscription, const std::string& etag, const std::string& lastModified)
{
std::string fname = etagsPath + i2p::fs::dirSep + subscription.ToBase32 () + ".txt";
std::ofstream f (fname, std::ofstream::out | std::ofstream::trunc);
if (f)
f << etag << lastModified;
}
//---------------------------------------------------------------------
AddressBook::AddressBook (): m_Storage(new AddressBookFilesystemStorage), m_IsLoaded (false), m_IsDownloading (false),
m_DefaultSubscription (nullptr), m_SubscriptionsUpdateTimer (nullptr)
@ -337,7 +352,7 @@ namespace client
LogPrint (eLogError, "Addressbook: subscriptions already loaded");
}
void AddressBook::DownloadComplete (bool success)
void AddressBook::DownloadComplete (bool success, const i2p::data::IdentHash& subscription, const std::string& etag, const std::string& lastModified)
{
m_IsDownloading = false;
int nextUpdateTimeout = CONTINIOUS_SUBSCRIPTION_RETRY_TIMEOUT;
@ -561,7 +576,7 @@ namespace client
if (!success)
LogPrint (eLogError, "Addressbook: download hosts.txt from ", m_Link, " failed");
m_Book.DownloadComplete (success);
m_Book.DownloadComplete (success, ident, m_Etag, m_LastModified);
}
bool AddressBookSubscription::ProcessResponse (std::stringstream& s, bool isGzip)

4
AddressBook.h
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@ -38,6 +38,8 @@ namespace client
virtual bool Init () = 0;
virtual int Load (std::map<std::string, i2p::data::IdentHash>& addresses) = 0;
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;
};
class AddressBookSubscription;
@ -56,7 +58,7 @@ namespace client
void InsertAddress (std::shared_ptr<const i2p::data::IdentityEx> address);
void LoadHostsFromStream (std::istream& f);
void DownloadComplete (bool success);
void DownloadComplete (bool success, const i2p::data::IdentHash& subscription, const std::string& etag, const std::string& lastModified);
//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 ()); }

7
FS.cpp
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@ -102,6 +102,13 @@ namespace fs {
return boost::filesystem::remove(path);
}
bool CreateDirectory (const std::string& path)
{
if (boost::filesystem::exists(path) &&
boost::filesystem::is_directory (boost::filesystem::status (path))) return true;
return boost::filesystem::create_directory(path);
}
void HashedStorage::SetPlace(const std::string &path) {
root = path + i2p::fs::dirSep + name;
}

2
FS.h
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@ -108,6 +108,8 @@ namespace fs {
* @return true if file exists, false otherwise
*/
bool Exists(const std::string & path);
bool CreateDirectory (const std::string& path);
template<typename T>
void _ExpandPath(std::stringstream & path, T c) {