internal progress_handler_hook_info(delegate_progress_handler func, object v)
{
_func = func;
_user_data = v;
_h = GCHandle.Alloc(this);
}
public void test_progress_handler()
{
using (sqlite3 db = ugly.open(":memory:"))
{
int count = 0;
delegate_progress_handler handler = obj =>
{
Assert.AreEqual(obj, "user_data");
count++;
return(0);
};
raw.sqlite3_progress_handler(db, 1, handler, "user_data");
GC.Collect();
using (sqlite3_stmt stmt = db.prepare("SELECT 1;"))
{
stmt.step();
}
Assert.IsTrue(count > 0);
handler = obj => 1;
raw.sqlite3_progress_handler(db, 1, handler, null);
using (sqlite3_stmt stmt = db.prepare("SELECT 1;"))
{
try
{
stmt.step();
Assert.Fail("Expected sqlite3_exception");
}
catch (ugly.sqlite3_exception e)
{
Assert.AreEqual(e.errcode, raw.SQLITE_INTERRUPT);
}
}
// Test that assigning null to the handler removes the progress handler.
handler = null;
raw.sqlite3_progress_handler(db, 1, handler, null);
using (sqlite3_stmt stmt = db.prepare("SELECT 1;"))
{
stmt.step();
}
}
}
internal void free()
{
_func = null;
_user_data = null;
_h.Free();
}
void ISQLite3Provider.sqlite3_progress_handler(IntPtr db, int instructions, delegate_progress_handler func, object v)
{
throw new Exception(GRIPE);
}
static public void sqlite3_progress_handler(sqlite3 db, int instructions, delegate_progress_handler func, object v)
{
_imp.sqlite3_progress_handler(db.ptr, instructions, func, v);
}
void ISQLite3Provider.sqlite3_progress_handler (IntPtr db, int instructions, delegate_progress_handler func, object v)
{
var info = hooks.getOrCreateFor (db);
if (info.progress != null) {
// TODO maybe turn off the hook here, for now
info.progress.free ();
info.progress = null;
}
if (func != null) {
info.progress = new progress_handler_hook_info (func, v);
NativeMethods.sqlite3_progress_handler (db, instructions, progress_handler_hook_bridge, info.progress.ptr);
} else {
NativeMethods.sqlite3_progress_handler (db, instructions, null, IntPtr.Zero);
}
}
static public void sqlite3_progress_handler(sqlite3 db, int instructions, delegate_progress_handler func, object v)
{
_imp.sqlite3_progress_handler(db.ptr, instructions, func, v);
}
public void sqlite3_progress_handler(IntPtr db, int instructions, delegate_progress_handler func, object v)
{
throw new NotImplementedException();
}
void ISQLite3Provider.sqlite3_progress_handler(IntPtr db, int instructions, delegate_progress_handler func, object v)
{
var info = hooks.getOrCreateFor(db);
if (info.progress != null)
{
// TODO maybe turn off the hook here, for now
info.progress.free();
info.progress = null;
}
if (func != null)
{
info.progress = new progress_handler_hook_info(func, v);
SQLite3RuntimeProvider.sqlite3_progress_handler(db.ToInt64(), instructions, Marshal.GetFunctionPointerForDelegate(progress_handler_hook_bridge).ToInt64(), info.progress.ptr.ToInt64());
}
else
{
SQLite3RuntimeProvider.sqlite3_progress_handler(db.ToInt64(), instructions, IntPtr.Zero.ToInt64(), IntPtr.Zero.ToInt64());
}
}
void ISQLite3Provider.sqlite3_progress_handler(IntPtr db, int instructions, delegate_progress_handler func, object v)
{
throw new Exception(GRIPE);
}
void ISQLite3Provider.sqlite3_progress_handler(IntPtr db, int instructions, delegate_progress_handler func, object v)
{
if (_progress_handler_hook != null)
{
// TODO maybe turn off the hook here, for now
_progress_handler_hook.free();
_progress_handler_hook = null;
}
if (func != null)
{
_progress_handler_hook = new progress_handler_hook_info(func, v);
NativeMethods.sqlite3_progress_handler(db, instructions, progress_handler_hook_bridge, _progress_handler_hook.ptr);
}
else
{
NativeMethods.sqlite3_progress_handler(db, instructions, null, IntPtr.Zero);
}
}
