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Fix crash on bellesip object destroy in UWP Wrapper

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This commit is contained in:
Erwan Croze 2017-08-11 16:22:57 +02:00
parent 87ab5a9465
commit 21e6a2b679
1 changed files with 20 additions and 15 deletions
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35
wrappers/csharp/wrapper_impl.mustache
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@ -40,8 +40,10 @@ namespace Linphone
#if WINDOWS_UWP
public const string BELLE_SIP_LIB_NAME = "bellesip";
public const string BCTOOLBOX_LIB_NAME = "bctoolbox";
#else
public const string BELLE_SIP_LIB_NAME = "linphone";
public const string BCTOOLBOX_LIB_NAME = "linphone";
#endif
#if ANDROID
@ -95,11 +97,17 @@ namespace Linphone
{
internal IntPtr nativePtr;
internal GCHandle handle;
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
private delegate void OnLinphoneObjectDataDestroyed(IntPtr data);
[DllImport(LinphoneWrapper.BELLE_SIP_LIB_NAME)]
#if WINDOWS_UWP
static extern int belle_sip_object_data_set(IntPtr ptr, string name, IntPtr data, IntPtr cb);
#else
static extern int belle_sip_object_data_set(IntPtr ptr, string name, IntPtr data, OnLinphoneObjectDataDestroyed cb);
#endif
[DllImport(LinphoneWrapper.BELLE_SIP_LIB_NAME)]
static extern IntPtr belle_sip_object_data_get(IntPtr ptr, string name);
@ -111,36 +119,32 @@ namespace Linphone
static extern void belle_sip_object_unref(IntPtr ptr);
[DllImport(LinphoneWrapper.BELLE_SIP_LIB_NAME)]
static extern void belle_sip_object_data_remove(IntPtr ptr, string data);
[DllImport(LinphoneWrapper.BCTOOLBOX_LIB_NAME)]
static extern IntPtr bctbx_list_next(IntPtr ptr);
[DllImport(LinphoneWrapper.BELLE_SIP_LIB_NAME)]
[DllImport(LinphoneWrapper.BCTOOLBOX_LIB_NAME)]
static extern IntPtr bctbx_list_get_data(IntPtr ptr);
[DllImport(LinphoneWrapper.BELLE_SIP_LIB_NAME)]
[DllImport(LinphoneWrapper.BCTOOLBOX_LIB_NAME)]
static extern IntPtr bctbx_list_append(IntPtr elem, string data);
[DllImport(LinphoneWrapper.BELLE_SIP_LIB_NAME)]
[DllImport(LinphoneWrapper.BCTOOLBOX_LIB_NAME)]
static extern IntPtr bctbx_list_append(IntPtr elem, IntPtr data);
#if __IOS__
[MonoPInvokeCallback(typeof(OnLinphoneObjectDataDestroyed))]
#endif
private static void onDataDestroyed(IntPtr data)
{
if (data != IntPtr.Zero)
{
//Console.WriteLine("Freeing C# handle");
GCHandle handle = GCHandle.FromIntPtr(data);
handle.Free();
}
}
~LinphoneObject()
{
//Console.WriteLine("Destroying " + this.ToString());
if (nativePtr != IntPtr.Zero) {
//Console.WriteLine("Unreffing " + this.ToString());
belle_sip_object_data_remove(nativePtr, "cs_obj");
belle_sip_object_unref(nativePtr);
handle.Free();
}
}
@ -177,9 +181,10 @@ namespace Linphone
//Console.WriteLine("Reffing " + obj.ToString());
}
obj.nativePtr = ptr;
GCHandle handle = GCHandle.Alloc(obj, GCHandleType.WeakTrackResurrection);
objPtr = GCHandle.ToIntPtr(handle);
belle_sip_object_data_set(ptr, "cs_obj", objPtr, onDataDestroyed);
obj.handle = GCHandle.Alloc(obj, GCHandleType.WeakTrackResurrection);
objPtr = GCHandle.ToIntPtr(obj.handle);
belle_sip_object_data_set(ptr, "cs_obj", objPtr, IntPtr.Zero);
return obj;
}
return null;