Fossil

** All static variable that a used by only this file are gathered into
** the following structure.
*/
static struct DbLocalData {
  int nBegin;               /* Nesting depth of BEGIN */
  int doRollback;           /* True to force a rollback */
  int nCommitHook;          /* Number of commit hooks */
  int wrTxn;                /* Outer-most TNX is a write */
  Stmt *pAllStmt;           /* List of all unfinalized statements */
  int nPrepare;             /* Number of calls to sqlite3_prepare_v2() */
  int nDeleteOnFail;        /* Number of entries in azDeleteOnFail[] */
  struct sCommitHook {
    int (*xHook)(void);         /* Functions to call at db_end_transaction() */
    int sequence;               /* Call functions in sequence order */
  } aHook[5];

  if( db.nBegin==0 ){
    db_multi_exec("BEGIN");
    sqlite3_commit_hook(g.db, db_verify_at_commit, 0);
    db.nPriorChanges = sqlite3_total_changes(g.db);
    db.doRollback = 0;
    db.zStartFile = zStartFile;
    db.iStartLine = iStartLine;
    db.wrTxn = 0;
  }
  db.nBegin++;
}
/*
** Begin a new transaction for writing.
*/
void db_begin_write_real(const char *zStartFile, int iStartLine){
  if( db.nBegin==0 ){
    db_multi_exec("BEGIN IMMEDIATE");
    sqlite3_commit_hook(g.db, db_verify_at_commit, 0);
    db.nPriorChanges = sqlite3_total_changes(g.db);
    db.doRollback = 0;
    db.zStartFile = zStartFile;
    db.iStartLine = iStartLine;
    db.wrTxn = 1;
  }else if( !db.wrTxn ){
    fossil_warning("read txn at %s:%d might cause SQLITE_BUSY "
       "for the write txn at %s:%d",
       db.zStartFile, db.iStartLine, zStartFile, iStartLine);
  }
  db.nBegin++;
}

       SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE,
       g.zVfsName
  );
  if( rc!=SQLITE_OK ){
    db_err("[%s]: %s", zDbName, sqlite3_errmsg(db));
  }
  db_maybe_set_encryption_key(db, zDbName);
  sqlite3_busy_timeout(db, 15000);
  sqlite3_wal_autocheckpoint(db, 1);  /* Set to checkpoint frequently */
  sqlite3_create_function(db, "user", 0, SQLITE_UTF8, 0, db_sql_user, 0, 0);
  sqlite3_create_function(db, "cgi", 1, SQLITE_UTF8, 0, db_sql_cgi, 0, 0);
  sqlite3_create_function(db, "cgi", 2, SQLITE_UTF8, 0, db_sql_cgi, 0, 0);
  sqlite3_create_function(db, "print", -1, SQLITE_UTF8, 0,db_sql_print,0,0);
  sqlite3_create_function(
    db, "is_selected", 1, SQLITE_UTF8, 0, file_is_selected,0,0
  );
  sqlite3_create_function(
    db, "if_selected", 3, SQLITE_UTF8, 0, file_is_selected,0,0
  );
  if( g.fSqlTrace ) sqlite3_trace_v2(db, SQLITE_TRACE_PROFILE, db_sql_trace, 0);
  db_add_aux_functions(db);
  re_add_sql_func(db);  /* The REGEXP operator */
  foci_register(db);    /* The "files_of_checkin" virtual table */
  sqlite3_db_config(db, SQLITE_DBCONFIG_ENABLE_FKEY, 0, &rc);
  return db;
}


/*
** Detaches the zLabel database.
*/

  xfer.pOut = cgi_output_blob();
  xfer.mxSend = db_get_int("max-download", 5000000);
  xfer.maxTime = db_get_int("max-download-time", 30);
  if( xfer.maxTime<1 ) xfer.maxTime = 1;
  xfer.maxTime += time(NULL);
  g.xferPanic = 1;

  db_begin_write();
  db_multi_exec(
     "CREATE TEMP TABLE onremote(rid INTEGER PRIMARY KEY);"
     "CREATE TEMP TABLE unk(uuid TEXT PRIMARY KEY) WITHOUT ROWID;"
  );
  manifest_crosslink_begin();
  rc = xfer_run_common_script();
  if( rc==TH_ERROR ){

  /* Send the server timestamp last, in case prior processing happened
  ** to use up a significant fraction of our time window.
  */
  zNow = db_text(0, "SELECT strftime('%%Y-%%m-%%dT%%H:%%M:%%S', 'now')");
  @ # timestamp %s(zNow)
  free(zNow);

  db_commit_transaction();
  configure_rebuild();
}

/*
** COMMAND: test-xfer
**
** This command is used for debugging the server.  There is a single