Diff: DuerOS-Light-SDK-v1.1.0/duer-os-light/src/iot-baidu-ota/baidu_ota_unpack/ota/inc/decompress.h

Revision:

47:9e361da97763

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DuerOS-Light-SDK-v1.1.0/duer-os-light/src/iot-baidu-ota/baidu_ota_unpack/ota/inc/decompress.h	Tue Jul 18 16:54:45 2017 +0800
@@ -0,0 +1,74 @@
+
+#ifndef _MBED_PACK_DECRYPTION_
+#define _MBED_PACK_DECRYPTION_
+
+#include <stdint.h>
+#include "pack_include.h"
+#include "zliblite/zlib.h"
+#include "IOtaUpdater.h"
+
+typedef struct _decompress_context_ {
+	// internal_footprint
+	uint32_t stream_recieved_sz;	// current size of recieved stream
+	uint32_t stream_processed_sz;	// current size of processed stream
+
+	//cache meta data
+	unsigned int meta_size;
+	unsigned int meta_stored_size;
+	char *meta_data;
+
+	//module data write offset
+	unsigned int write_offset;
+	// zlib stream object
+	z_streamp strmp;
+
+} decompress_context_t;
+
+/**
+ *
+ * package decompress
+ *
+ * \return decompress context
+ */
+void* mbed_zlibstream_decompress_init();
+
+
+/**
+ *
+ * package decompress process
+ *
+ * \param ctx decompress context
+ * \param buffer data to decompress
+ * \param bufferSZ buffer size
+ * \param lFileHandle fs file index
+ *
+ * \return process state
+ */
+int mbed_zlibstream_decompress_process(void *verify_cxt, decompress_context_t* ctx, unsigned char* buffer, uint32_t bufferSZ,
+		struct IOtaUpdater *updater, void *update_cxt);
+
+
+/**
+ *
+ * package decompress uninit
+ *
+ * \param ctx decompress context
+ *
+ */
+void mbed_zlibstream_decompress_uninit(decompress_context_t* ctx);
+
+
+
+
+////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+
+
+
+// for test
+//void mbed_decompress_test();
+
+
+#endif
+