1 files changed, 109 insertions, 0 deletions
diff --git a/src/core/include/webrdp_module_api.h b/src/core/include/webrdp_module_api.h
new file mode 100644
index 0000000..7f2d635
--- /dev/null
+++ b/src/core/include/webrdp_module_api.h
@@ -0,0 +1,109 @@
+#pragma once
+
+/* Short api usage brief...
+ * each backend module must export:
+ * 1. bool <backend_name>_create(wrdp_core_exports*, wrdp_backend_module*)
+ * which initialize passed wrdp_backend_module* instance
+ * with all required callbacks.
+ * wrdp_core_exports* ptr should be stored by backend,
+ * for example in "internals" structure.
+ * return "true" on success
+ */
+
+#include <stdint.h>
+
+#include "webrdp_api_shared_structures.h"
+
+//#include "webrdp_core_api.h"
+
+/* API used by backend modules defined here */
+
+typedef struct
+{
+	/* Init function exported by backend, this function should fully
+	 * initialize backend.
+	 * retrun false on failure
+	 * required. */
+	bool (*init)(void *backend_internals);
+
+	/* Destroy backend function should deinitialize backend
+	 * and free used memory
+	 * required. */
+	void (*destroy)(void *backend_internals);
+
+	/* Pass task_info internal structure ptr to the backend.
+	 * must be stored and suplied to core on need
+	 * required. */
+	void (*set_task_info)(void *task_info, void *internals);
+
+	/* Backend settings related functions
+	 * return false on failure.
+	 * required. */
+	bool (*set_setting_str)(backend_setting_str *setting, void *internals);
+	bool (*set_setting_int)(backend_setting_int *setting, void *internals);
+} wrdp_backend_cb_module;
+
+typedef struct
+{
+	/* Backend ws-protocol handlers callbacks
+	 * return false on failure
+	 * at least one of the following is required*/
+	bool (*mouse)(ws_input_mouse input, void *internals);
+	bool (*kupdown)(ws_input_kupdown input, void *internals);
+	bool (*kpress)(ws_input_kpress input, void *internals);
+	bool (*kcomb)(ws_input_keycomb input, void *internals);
+	bool (*unicode)(ws_input_unicode input, void *internals);
+} wrdp_backend_cb_input;
+
+typedef struct
+{
+	/* DRAFT! */
+	/* TODO: */
+
+	bool (*request_data)(
+	    const wrdp_backend_clipbrd_data_request *, void *backend_internals);
+	bool (*data_changed)(
+	    const wrdp_backend_clipbrd_fmts *, void *backend_internals);
+	bool (*send_data)(
+	    const wrdp_backend_clipbrd_data *, void *backend_internals);
+
+} wrdp_backend_cb_clipboard;
+
+typedef struct
+{
+	/* DRAFT! */
+	/* TODO: */
+
+	bool (*request)(
+	    const wrdp_backend_ft_file_request *, void *backend_internals);
+	bool (*chunk)(const wrdp_backend_ft_chunk *, const uint8_t *data,
+	    void *backend_internals);
+	bool (*finish)(const wrdp_backend_ft_status *, void *backend_internals);
+} wrdp_backend_cb_filetransfer;
+
+typedef struct
+{
+
+	/* Backend internal data, does not touched by core. */
+	void *backend_internals;
+
+	/* pointer to wrdp_thpool_task*  used by some internals */
+	void *wrdp_thpool_task;
+
+	/* Variable indicate what task destruction is in progress,
+	 * task should not use any of core exports anymore */
+	bool stopped;
+
+	/* Information about task used by core,
+	 * must be passed to functions which require it */
+	void *task_info;
+
+	/* ws_session list */
+	void *sessions_list_head;
+
+	wrdp_backend_cb_module *callbacks_module;
+	wrdp_backend_cb_input *callbacks_input;
+	wrdp_backend_cb_clipboard *callbacks_clipbrd;
+	wrdp_backend_cb_filetransfer *callbacks_ft;
+
+} wrdp_backend_module;