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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2012-2013 University of California, Los Angeles
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
* Zhenkai Zhu <zhenkai@cs.ucla.edu>
*/
#include "action-log.h"
#include "logging.h"
#include <boost/make_shared.hpp>
using namespace boost;
using namespace std;
using namespace Ccnx;
INIT_LOGGER ("ActionLog");
const std::string INIT_DATABASE = "\
CREATE TABLE ActionLog ( \n\
device_name BLOB NOT NULL, \n\
seq_no INTEGER NOT NULL, \n\
\n\
action CHAR(1) NOT NULL, /* 0 for \"update\", 1 for \"delete\". */ \n\
filename TEXT NOT NULL, \n\
\n\
version INTEGER NOT NULL, \n\
action_timestamp TIMESTAMP NOT NULL, \n\
\n\
file_hash BLOB, /* NULL if action is \"delete\" */ \n\
file_atime TIMESTAMP, \n\
file_mtime TIMESTAMP, \n\
file_ctime TIMESTAMP, \n\
file_chmod INTEGER, \n\
file_seg_num INTEGER, /* NULL if action is \"delete\" */ \n\
\n\
parent_device_name BLOB, \n\
parent_seq_no INTEGER, \n\
\n\
action_name TEXT, \n\
action_content_object BLOB, \n\
\n\
PRIMARY KEY (device_name, seq_no), \n\
\n\
FOREIGN KEY (parent_device_name, parent_seq_no) \n\
REFERENCES ActionLog (device_name, seq_no) \n\
ON UPDATE RESTRICT \n\
ON DELETE SET NULL \n\
); \n\
\n\
CREATE INDEX ActionLog_filename_version ON ActionLog (filename,version); \n\
CREATE INDEX ActionLog_parent ON ActionLog (parent_device_name, parent_seq_no); \n\
CREATE INDEX ActionLog_action_name ON ActionLog (action_name); \n\
\n\
CREATE TRIGGER ActionLogInsert_trigger \n\
AFTER INSERT ON ActionLog \n\
FOR EACH ROW \n\
WHEN (SELECT device_name \n\
FROM ActionLog \n\
WHERE filename=NEW.filename AND \n\
version > NEW.version) IS NULL AND \n\
(SELECT device_name \n\
FROM ActionLog \n\
WHERE filename=NEW.filename AND \n\
version = NEW.version AND \n\
device_name > NEW.device_name) IS NULL \n\
BEGIN \n\
SELECT apply_action (NEW.device_name, NEW.seq_no, \
NEW.action,NEW.filename,NEW.file_hash, \
strftime('%s', NEW.file_atime),strftime('%s', NEW.file_mtime),strftime('%s', NEW.file_ctime), \
NEW.file_chmod, NEW.file_seg_num); /* function that applies action and adds record the FileState */ \n \
END; \n\
\n\
CREATE TABLE FileState ( \n\
type INTEGER NOT NULL, /* 0 - newest, 1 - oldest */ \n\
filename TEXT NOT NULL, \n\
device_name BLOB NOT NULL, \n\
seq_no INTEGER NOT NULL, \n\
file_hash BLOB NOT NULL, \n\
file_atime TIMESTAMP, \n\
file_mtime TIMESTAMP, \n\
file_ctime TIMESTAMP, \n\
file_chmod INTEGER, \n\
file_seg_num INTEGER, \n\
\n\
PRIMARY KEY (type, filename) \n\
); \n\
\n\
CREATE INDEX FileState_device_name_seq_no ON FileState (device_name, seq_no); \n\
CREATE INDEX FileState_type_file_hash ON FileState (type, file_hash); \n\
";
ActionLog::ActionLog (Ccnx::CcnxWrapperPtr ccnx, const boost::filesystem::path &path,
SyncLogPtr syncLog,
const std::string &sharedFolder,
OnFileAddedOrChangedCallback onFileAddedOrChanged, OnFileRemovedCallback onFileRemoved)
: DbHelper (path / ".chronoshare", "action-log.db")
, m_syncLog (syncLog)
, m_ccnx (ccnx)
, m_sharedFolderName (sharedFolder)
, m_onFileAddedOrChanged (onFileAddedOrChanged)
, m_onFileRemoved (onFileRemoved)
{
sqlite3_exec (m_db, INIT_DATABASE.c_str (), NULL, NULL, NULL);
_LOG_DEBUG_COND (sqlite3_errcode (m_db) != SQLITE_OK, sqlite3_errmsg (m_db));
int res = sqlite3_create_function (m_db, "apply_action", -1, SQLITE_ANY, reinterpret_cast<void*> (this),
ActionLog::apply_action_xFun,
0, 0);
if (res != SQLITE_OK)
{
BOOST_THROW_EXCEPTION (Error::Db ()
<< errmsg_info_str ("Cannot create function ``apply_action''"));
}
}
tuple<sqlite3_int64 /*version*/, Ccnx::CcnxCharbufPtr /*device name*/, sqlite3_int64 /*seq_no*/>
ActionLog::GetLatestActionForFile (const std::string &filename)
{
// check if something already exists
sqlite3_stmt *stmt;
int res = sqlite3_prepare_v2 (m_db, "SELECT version,device_name,seq_no,action "
"FROM ActionLog "
"WHERE filename=? ORDER BY version DESC LIMIT 1", -1, &stmt, 0);
if (res != SQLITE_OK)
{
BOOST_THROW_EXCEPTION (Error::Db ()
<< errmsg_info_str ("Some error with GetExistingRecord"));
}
sqlite3_int64 version = -1;
CcnxCharbufPtr parent_device_name;
sqlite3_int64 parent_seq_no = -1;
sqlite3_bind_text (stmt, 1, filename.c_str (), filename.size (), SQLITE_STATIC);
if (sqlite3_step (stmt) == SQLITE_ROW)
{
version = sqlite3_column_int64 (stmt, 0);
if (sqlite3_column_int (stmt, 3) == 0) // prevent "linking" if the file was previously deleted
{
parent_device_name = make_shared<CcnxCharbuf> (sqlite3_column_blob (stmt, 1), sqlite3_column_bytes (stmt, 1));
parent_seq_no = sqlite3_column_int64 (stmt, 2);
}
}
sqlite3_finalize (stmt);
return make_tuple (version, parent_device_name, parent_seq_no);
}
// local add action. remote action is extracted from content object
ActionItemPtr
ActionLog::AddLocalActionUpdate (const std::string &filename,
const Hash &hash,
time_t wtime,
int mode,
int seg_num)
{
sqlite3_exec (m_db, "BEGIN TRANSACTION;", 0,0,0);
CcnxCharbufPtr device_name = m_syncLog->GetLocalName ().toCcnxCharbuf ();
sqlite3_int64 seq_no = m_syncLog->GetNextLocalSeqNo ();
sqlite3_int64 version;
CcnxCharbufPtr parent_device_name;
sqlite3_int64 parent_seq_no = -1;
sqlite3_int64 action_time = time (0);
tie (version, parent_device_name, parent_seq_no) = GetLatestActionForFile (filename);
version ++;
sqlite3_stmt *stmt;
int res = sqlite3_prepare_v2 (m_db, "INSERT INTO ActionLog "
"(device_name, seq_no, action, filename, version, action_timestamp, "
"file_hash, file_atime, file_mtime, file_ctime, file_chmod, file_seg_num, "
"parent_device_name, parent_seq_no, "
"action_name, action_content_object) "
"VALUES (?, ?, ?, ?, ?, datetime(?, 'unixepoch'),"
" ?, datetime(?, 'unixepoch'), datetime(?, 'unixepoch'), datetime(?, 'unixepoch'), ?,?, "
" ?, ?, "
" ?, ?);", -1, &stmt, 0);
_LOG_DEBUG_COND (sqlite3_errcode (m_db) != SQLITE_OK, sqlite3_errmsg (m_db));
if (res != SQLITE_OK)
{
BOOST_THROW_EXCEPTION (Error::Db ()
<< errmsg_info_str (sqlite3_errmsg (m_db))
);
}
sqlite3_bind_blob (stmt, 1, device_name->buf (), device_name->length (), SQLITE_TRANSIENT);
sqlite3_bind_int64 (stmt, 2, seq_no);
sqlite3_bind_int (stmt, 3, 0);
sqlite3_bind_text (stmt, 4, filename.c_str (), filename.size (), SQLITE_TRANSIENT);
sqlite3_bind_int64 (stmt, 5, version);
sqlite3_bind_int64 (stmt, 6, action_time);
sqlite3_bind_blob (stmt, 7, hash.GetHash (), hash.GetHashBytes (), SQLITE_TRANSIENT);
// sqlite3_bind_int64 (stmt, 8, atime); // NULL
sqlite3_bind_int64 (stmt, 9, wtime);
// sqlite3_bind_int64 (stmt, 10, ctime); // NULL
sqlite3_bind_int (stmt, 11, mode);
sqlite3_bind_int (stmt, 12, seg_num);
if (parent_device_name && parent_seq_no > 0)
{
sqlite3_bind_blob (stmt, 13, parent_device_name->buf (), parent_device_name->length (), SQLITE_TRANSIENT);
sqlite3_bind_int64 (stmt, 14, parent_seq_no);
}
ActionItemPtr item = make_shared<ActionItem> ();
item->set_action (ActionItem::UPDATE);
item->set_filename (filename);
item->set_version (version);
item->set_timestamp (action_time);
item->set_file_hash (hash.GetHash (), hash.GetHashBytes ());
// item->set_atime (atime);
item->set_mtime (wtime);
// item->set_ctime (ctime);
item->set_mode (mode);
item->set_seg_num (seg_num);
if (parent_device_name && parent_seq_no > 0)
{
// cout << Name (*parent_device_name) << endl;
item->set_parent_device_name (parent_device_name->buf (), parent_device_name->length ());
item->set_parent_seq_no (parent_seq_no);
}
// assign name to the action, serialize action, and create content object
string item_msg;
item->SerializeToString (&item_msg);
Name actionName = Name (m_syncLog->GetLocalName ())("action")(m_sharedFolderName)(seq_no);
_LOG_DEBUG ("ActionName: " << actionName);
Bytes actionData = m_ccnx->createContentObject (actionName, item_msg.c_str (), item_msg.size ());
CcnxCharbufPtr namePtr = actionName.toCcnxCharbuf ();
// _LOG_DEBUG (" >>>>>>> " << Name (namePtr->buf () << " " << namePtr->length ());
sqlite3_bind_blob (stmt, 15, namePtr->buf (), namePtr->length (), SQLITE_TRANSIENT);
sqlite3_bind_blob (stmt, 16, head (actionData), actionData.size (), SQLITE_TRANSIENT);
sqlite3_step (stmt);
_LOG_DEBUG_COND (sqlite3_errcode (m_db) != SQLITE_OK && sqlite3_errcode (m_db) != SQLITE_ROW, sqlite3_errmsg (m_db));
sqlite3_finalize (stmt);
sqlite3_exec (m_db, "END TRANSACTION;", 0,0,0);
return item;
}
// void
// ActionLog::AddActionMove (const std::string &oldFile, const std::string &newFile)
// {
// // not supported yet
// BOOST_THROW_EXCEPTION (Error::Db ()
// << errmsg_info_str ("Move operation is not yet supported"));
// }
ActionItemPtr
ActionLog::AddLocalActionDelete (const std::string &filename)
{
sqlite3_exec (m_db, "BEGIN TRANSACTION;", 0,0,0);
CcnxCharbufPtr device_name = m_syncLog->GetLocalName ().toCcnxCharbuf ();
sqlite3_int64 version;
CcnxCharbufPtr parent_device_name;
sqlite3_int64 parent_seq_no = -1;
sqlite3_int64 action_time = time (0);
tie (version, parent_device_name, parent_seq_no) = GetLatestActionForFile (filename);
if (!parent_device_name) // no records exist or file was already deleted
{
sqlite3_exec (m_db, "END TRANSACTION;", 0,0,0);
return ActionItemPtr ();
}
version ++;
sqlite3_int64 seq_no = m_syncLog->GetNextLocalSeqNo ();
sqlite3_stmt *stmt;
sqlite3_prepare_v2 (m_db, "INSERT INTO ActionLog "
"(device_name, seq_no, action, filename, version, action_timestamp, "
"parent_device_name, parent_seq_no, "
"action_name, action_content_object) "
"VALUES (?, ?, ?, ?, ?, datetime(?, 'unixepoch'),"
" ?, ?,"
" ?, ?)", -1, &stmt, 0);
sqlite3_bind_blob (stmt, 1, device_name->buf (), device_name->length (), SQLITE_TRANSIENT);
sqlite3_bind_int64 (stmt, 2, seq_no);
sqlite3_bind_int (stmt, 3, 1);
sqlite3_bind_text (stmt, 4, filename.c_str (), filename.size (), SQLITE_TRANSIENT);
sqlite3_bind_int64 (stmt, 5, version);
sqlite3_bind_int64 (stmt, 6, action_time);
sqlite3_bind_blob (stmt, 7, parent_device_name->buf (), parent_device_name->length (), SQLITE_TRANSIENT);
sqlite3_bind_int64 (stmt, 8, parent_seq_no);
ActionItemPtr item = make_shared<ActionItem> ();
item->set_action (ActionItem::DELETE);
item->set_filename (filename);
item->set_version (version);
item->set_timestamp (action_time);
item->set_parent_device_name (parent_device_name->buf (), parent_device_name->length ());
item->set_parent_seq_no (parent_seq_no);
string item_msg;
item->SerializeToString (&item_msg);
Name actionName = Name (m_syncLog->GetLocalName ())("action")(m_sharedFolderName)(seq_no);
Bytes actionData = m_ccnx->createContentObject (actionName, item_msg.c_str (), item_msg.size ());
CcnxCharbufPtr namePtr = actionName.toCcnxCharbuf ();
sqlite3_bind_blob (stmt, 9, namePtr->buf (), namePtr->length (), SQLITE_TRANSIENT);
sqlite3_bind_blob (stmt, 10, &actionData[0], actionData.size (), SQLITE_TRANSIENT);
sqlite3_step (stmt);
_LOG_DEBUG_COND (sqlite3_errcode (m_db) != SQLITE_OK && sqlite3_errcode (m_db) != SQLITE_ROW, sqlite3_errmsg (m_db));
// cout << Ccnx::Name (parent_device_name) << endl;
// assign name to the action, serialize action, and create content object
sqlite3_finalize (stmt);
sqlite3_exec (m_db, "END TRANSACTION;", 0,0,0);
return item;
}
PcoPtr
ActionLog::LookupActionPco (const Ccnx::Name &deviceName, sqlite3_int64 seqno)
{
sqlite3_stmt *stmt;
sqlite3_prepare_v2 (m_db, "SELECT action_content_object FROM ActionLog WHERE device_name=? AND seq_no=?", -1, &stmt, 0);
CcnxCharbufPtr name = deviceName.toCcnxCharbuf ();
sqlite3_bind_blob (stmt, 1, name->buf (), name->length (), SQLITE_STATIC);
sqlite3_bind_int64 (stmt, 2, seqno);
PcoPtr retval;
if (sqlite3_step (stmt) == SQLITE_ROW)
{
// _LOG_DEBUG (sqlite3_column_blob (stmt, 0) << ", " << sqlite3_column_bytes (stmt, 0));
retval = make_shared<ParsedContentObject> (reinterpret_cast<const unsigned char *> (sqlite3_column_blob (stmt, 0)), sqlite3_column_bytes (stmt, 0));
}
else
{
_LOG_TRACE ("No action found for deviceName [" << deviceName << "] and seqno:" << seqno);
}
// _LOG_DEBUG_COND (sqlite3_errcode (m_db) != SQLITE_OK && sqlite3_errcode (m_db) != SQLITE_ROW, sqlite3_errmsg (m_db));
sqlite3_finalize (stmt);
return retval;
}
ActionItemPtr
ActionLog::LookupAction (const Ccnx::Name &deviceName, sqlite3_int64 seqno)
{
PcoPtr pco = LookupActionPco (deviceName, seqno);
if (!pco) return ActionItemPtr ();
ActionItemPtr action = deserializeMsg<ActionItem> (pco->content ());
return action;
}
Ccnx::PcoPtr
ActionLog::LookupActionPco (const Ccnx::Name &actionName)
{
sqlite3_stmt *stmt;
sqlite3_prepare_v2 (m_db, "SELECT action_content_object FROM ActionLog WHERE action_name=?", -1, &stmt, 0);
_LOG_DEBUG (actionName);
CcnxCharbufPtr name = actionName.toCcnxCharbuf ();
_LOG_DEBUG (" <<<<<<< " << name->buf () << " " << name->length ());
sqlite3_bind_blob (stmt, 1, name->buf (), name->length (), SQLITE_STATIC);
PcoPtr retval;
if (sqlite3_step (stmt) == SQLITE_ROW)
{
// _LOG_DEBUG (sqlite3_column_blob (stmt, 0) << ", " << sqlite3_column_bytes (stmt, 0));
retval = make_shared<ParsedContentObject> (reinterpret_cast<const unsigned char *> (sqlite3_column_blob (stmt, 0)), sqlite3_column_bytes (stmt, 0));
}
else
{
_LOG_TRACE ("No action found for name: " << actionName);
}
_LOG_DEBUG_COND (sqlite3_errcode (m_db) != SQLITE_OK && sqlite3_errcode (m_db) != SQLITE_ROW, sqlite3_errmsg (m_db));
sqlite3_finalize (stmt);
return retval;
}
ActionItemPtr
ActionLog::LookupAction (const Ccnx::Name &actionName)
{
PcoPtr pco = LookupActionPco (actionName);
if (!pco) return ActionItemPtr ();
ActionItemPtr action = deserializeMsg<ActionItem> (pco->content ());
return action;
}
ActionItemPtr
ActionLog::AddRemoteAction (const Ccnx::Name &deviceName, sqlite3_int64 seqno, Ccnx::PcoPtr actionPco)
{
if (!actionPco)
{
BOOST_THROW_EXCEPTION (Error::ActionLog () << errmsg_info_str ("actionPco is not valid"));
}
ActionItemPtr action = deserializeMsg<ActionItem> (actionPco->content ());
if (!action)
{
BOOST_THROW_EXCEPTION (Error::ActionLog () << errmsg_info_str ("action cannot be decoded"));
}
sqlite3_stmt *stmt;
int res = sqlite3_prepare_v2 (m_db, "INSERT INTO ActionLog "
"(device_name, seq_no, action, filename, version, action_timestamp, "
"file_hash, file_atime, file_mtime, file_ctime, file_chmod, file_seg_num, "
"parent_device_name, parent_seq_no, "
"action_name, action_content_object) "
"VALUES (?, ?, ?, ?, ?, datetime(?, 'unixepoch'),"
" ?, datetime(?, 'unixepoch'), datetime(?, 'unixepoch'), datetime(?, 'unixepoch'), ?,?, "
" ?, ?, "
" ?, ?);", -1, &stmt, 0);
CcnxCharbufPtr device_name = deviceName.toCcnxCharbuf ();
sqlite3_bind_blob (stmt, 1, device_name->buf (), device_name->length (), SQLITE_STATIC);
sqlite3_bind_int64 (stmt, 2, seqno);
sqlite3_bind_int (stmt, 3, action->action ());
sqlite3_bind_text (stmt, 4, action->filename ().c_str (), action->filename ().size (), SQLITE_STATIC);
sqlite3_bind_int64 (stmt, 5, action->version ());
sqlite3_bind_int64 (stmt, 6, action->timestamp ());
if (action->action () == ActionItem::UPDATE)
{
sqlite3_bind_blob (stmt, 7, action->file_hash ().c_str (), action->file_hash ().size (), SQLITE_STATIC);
// sqlite3_bind_int64 (stmt, 8, atime); // NULL
sqlite3_bind_int64 (stmt, 9, action->mtime ());
// sqlite3_bind_int64 (stmt, 10, ctime); // NULL
sqlite3_bind_int (stmt, 11, action->mode ());
sqlite3_bind_int (stmt, 12, action->seg_num ());
}
if (action->has_parent_device_name ())
{
sqlite3_bind_blob (stmt, 13, action->parent_device_name ().c_str (), action->parent_device_name ().size (), SQLITE_TRANSIENT);
sqlite3_bind_int64 (stmt, 14, action->parent_seq_no ());
}
Name actionName = Name (deviceName)("action")(m_sharedFolderName)(seqno);
CcnxCharbufPtr namePtr = actionName.toCcnxCharbuf ();
sqlite3_bind_blob (stmt, 15, namePtr->buf (), namePtr->length (), SQLITE_STATIC);
sqlite3_bind_blob (stmt, 16, head (actionPco->buf ()), actionPco->buf ().size (), SQLITE_STATIC);
sqlite3_step (stmt);
// if action needs to be applied to file state, the trigger will take care of it
_LOG_DEBUG_COND (sqlite3_errcode (m_db) != SQLITE_OK && sqlite3_errcode (m_db) != SQLITE_ROW, sqlite3_errmsg (m_db));
sqlite3_finalize (stmt);
return action;
}
ActionItemPtr
ActionLog::AddRemoteAction (Ccnx::PcoPtr actionPco)
{
Name name = actionPco->name ();
// <device_name>/"action"/<shared_folder_name_one_component>/<seqno>
uint64_t seqno = name.getCompFromBackAsInt (0);
string sharedFolder = name.getCompFromBackAsString (1);
if (sharedFolder != m_sharedFolderName)
{
BOOST_THROW_EXCEPTION (Error::ActionLog () << errmsg_info_str ("Action doesn't belong to this shared folder"));
}
string action = name.getCompFromBackAsString (2);
if (action != "action")
{
BOOST_THROW_EXCEPTION (Error::ActionLog () << errmsg_info_str ("not an action"));
}
Name deviceName = name.getPartialName (0, name.size ()-3);
_LOG_DEBUG ("From [" << name << "] extracted deviceName: " << deviceName << ", sharedFolder: " << sharedFolder << ", seqno: " << seqno);
return AddRemoteAction (deviceName, seqno, actionPco);
}
sqlite3_int64
ActionLog::LogSize ()
{
sqlite3_stmt *stmt;
sqlite3_prepare_v2 (m_db, "SELECT count(*) FROM ActionLog", -1, &stmt, 0);
sqlite3_int64 retval = -1;
if (sqlite3_step (stmt) == SQLITE_ROW)
{
retval = sqlite3_column_int64 (stmt, 0);
}
return retval;
}
///////////////////////////////////////////////////////////////////////////////////
// SHOULD BE MOVED TO SEPARATE FILESTATE CLASS "EVENTUALLY"
///////////////////////////////////////////////////////////////////////////////////
void
ActionLog::apply_action_xFun (sqlite3_context *context, int argc, sqlite3_value **argv)
{
ActionLog *the = reinterpret_cast<ActionLog*> (sqlite3_user_data (context));
if (argc != 10)
{
sqlite3_result_error (context, "``apply_action'' expects 10 arguments", -1);
return;
}
CcnxCharbuf device_name (sqlite3_value_blob (argv[0]), sqlite3_value_bytes (argv[0]));
sqlite3_int64 seq_no = sqlite3_value_int64 (argv[1]);
int action = sqlite3_value_int (argv[2]);
string filename = reinterpret_cast<const char*> (sqlite3_value_text (argv[3]));
_LOG_TRACE ("apply_function called with " << argc);
_LOG_TRACE ("device_name: " << Name (device_name)
<< ", action: " << action
<< ", file: " << filename);
if (action == 0) // update
{
Hash hash (sqlite3_value_blob (argv[4]), sqlite3_value_bytes (argv[4]));
time_t atime = static_cast<time_t> (sqlite3_value_int64 (argv[5]));
time_t mtime = static_cast<time_t> (sqlite3_value_int64 (argv[6]));
time_t ctime = static_cast<time_t> (sqlite3_value_int64 (argv[7]));
int mode = sqlite3_value_int (argv[8]);
int seg_num = sqlite3_value_int (argv[9]);
_LOG_DEBUG ("Update " << filename << " " << atime << " " << mtime << " " << ctime << " " << hash);
sqlite3_stmt *stmt;
sqlite3_prepare_v2 (the->m_db, "UPDATE FileState "
"SET "
"device_name=?, seq_no=?, "
"file_hash=?,"
"file_atime=datetime(?, 'unixepoch'),"
"file_mtime=datetime(?, 'unixepoch'),"
"file_ctime=datetime(?, 'unixepoch'),"
"file_chmod=?, "
"file_seg_num=? "
"WHERE type=0 AND filename=?", -1, &stmt, 0);
sqlite3_bind_blob (stmt, 1, device_name.buf (), device_name.length (), SQLITE_TRANSIENT);
sqlite3_bind_int64 (stmt, 2, seq_no);
sqlite3_bind_blob (stmt, 3, hash.GetHash (), hash.GetHashBytes (), SQLITE_TRANSIENT);
sqlite3_bind_int64 (stmt, 4, atime);
sqlite3_bind_int64 (stmt, 5, mtime);
sqlite3_bind_int64 (stmt, 6, ctime);
sqlite3_bind_int (stmt, 7, mode);
sqlite3_bind_int (stmt, 8, seg_num);
sqlite3_bind_text (stmt, 9, filename.c_str (), -1, SQLITE_TRANSIENT);
sqlite3_step (stmt);
_LOG_DEBUG_COND (sqlite3_errcode (the->m_db) != SQLITE_OK,
sqlite3_errmsg (the->m_db));
sqlite3_finalize (stmt);
int affected_rows = sqlite3_changes (the->m_db);
if (affected_rows == 0) // file didn't exist
{
sqlite3_stmt *stmt;
sqlite3_prepare_v2 (the->m_db, "INSERT INTO FileState "
"(type,filename,device_name,seq_no,file_hash,file_atime,file_mtime,file_ctime,file_chmod,file_seg_num) "
"VALUES (0, ?, ?, ?, ?, "
"datetime(?, 'unixepoch'), datetime(?, 'unixepoch'), datetime(?, 'unixepoch'), ?, ?)", -1, &stmt, 0);
sqlite3_bind_text (stmt, 1, filename.c_str (), -1, SQLITE_TRANSIENT);
sqlite3_bind_blob (stmt, 2, device_name.buf (), device_name.length (), SQLITE_TRANSIENT);
sqlite3_bind_int64 (stmt, 3, seq_no);
sqlite3_bind_blob (stmt, 4, hash.GetHash (), hash.GetHashBytes (), SQLITE_TRANSIENT);
sqlite3_bind_int64 (stmt, 5, atime);
sqlite3_bind_int64 (stmt, 6, mtime);
sqlite3_bind_int64 (stmt, 7, ctime);
sqlite3_bind_int (stmt, 8, mode);
sqlite3_bind_int (stmt, 9, seg_num);
sqlite3_step (stmt);
_LOG_DEBUG_COND (sqlite3_errcode (the->m_db) != SQLITE_OK,
sqlite3_errmsg (the->m_db));
sqlite3_finalize (stmt);
}
}
else if (action == 1) // delete
{
sqlite3_stmt *stmt;
sqlite3_prepare_v2 (the->m_db, "DELETE FROM FileState WHERE type=0 AND filename=?", -1, &stmt, 0);
sqlite3_bind_text (stmt, 1, filename.c_str (), -1, SQLITE_STATIC);
_LOG_DEBUG ("Delete " << filename);
sqlite3_step (stmt);
sqlite3_finalize (stmt);
the->m_onFileRemoved (filename);
}
sqlite3_result_null (context);
}
/**
* @todo Implement checking modification time and permissions
*/
FileItemPtr
ActionLog::LookupFile (const std::string &filename)
{
sqlite3_stmt *stmt;
sqlite3_prepare_v2 (m_db,
"SELECT filename,device_name,seq_no,file_hash,strftime('%s', file_mtime),file_chmod,file_seg_num "
" FROM FileState "
" WHERE type = 0 AND filename = ?", -1, &stmt, 0);
sqlite3_bind_text(stmt, 1, filename.c_str(), -1, SQLITE_STATIC);
FileItemPtr retval;
if (sqlite3_step (stmt) == SQLITE_ROW)
{
retval = make_shared<FileItem> ();
retval->set_filename (reinterpret_cast<const char *> (sqlite3_column_text (stmt, 0)), sqlite3_column_bytes (stmt, 0));
retval->set_device_name (sqlite3_column_blob (stmt, 1), sqlite3_column_bytes (stmt, 1));
retval->set_seq_no (sqlite3_column_int64 (stmt, 2));
retval->set_file_hash (sqlite3_column_blob (stmt, 3), sqlite3_column_bytes (stmt, 3));
retval->set_mtime (sqlite3_column_int (stmt, 4));
retval->set_mode (sqlite3_column_int (stmt, 5));
retval->set_seg_num (sqlite3_column_int64 (stmt, 6));
}
sqlite3_finalize (stmt);
return retval;
}
FileItemsPtr
ActionLog::LookupFilesForHash (const Hash &hash)
{
sqlite3_stmt *stmt;
sqlite3_prepare_v2 (m_db,
"SELECT filename,device_name,seq_no,file_hash,strftime('%s', file_mtime),file_chmod,file_seg_num "
" FROM FileState "
" WHERE type = 0 AND file_hash = ?;", -1, &stmt, 0);
sqlite3_bind_blob(stmt, 1, hash.GetHash (), hash.GetHashBytes (), SQLITE_STATIC);
FileItemsPtr retval = make_shared<FileItems> ();
while (sqlite3_step (stmt) == SQLITE_ROW)
{
FileItem file;
file.set_filename (reinterpret_cast<const char *> (sqlite3_column_text (stmt, 0)), sqlite3_column_bytes (stmt, 0));
file.set_device_name (sqlite3_column_blob (stmt, 1), sqlite3_column_bytes (stmt, 1));
file.set_seq_no (sqlite3_column_int64 (stmt, 2));
file.set_file_hash (sqlite3_column_blob (stmt, 3), sqlite3_column_bytes (stmt, 3));
file.set_mtime (sqlite3_column_int (stmt, 4));
file.set_mode (sqlite3_column_int (stmt, 5));
file.set_seg_num (sqlite3_column_int64 (stmt, 6));
retval->push_back (file);
}
sqlite3_finalize (stmt);
return retval;
}