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jni hdiffPatch() ok

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This commit is contained in:
sisong
2021-04-04 15:50:40 +08:00
parent 69aed18b78
commit 7782025e38
3 changed files with 65 additions and 4 deletions
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49
android/jni/DownloadTask.c
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@@ -6,6 +6,7 @@
#include <stdlib.h>
#include "bzlib.h"
#include "bspatch.h"
#include "hpatch.h"
#include <android/log.h>
static int64_t offtin(uint8_t *buf)
@@ -111,8 +112,52 @@ JNIEXPORT jbyteArray JNICALL Java_cn_reactnative_modules_update_DownloadTask_bsd
}
#define _check(v,errInfo) do{ if (!(v)) { _isError=hpatch_TRUE; _errInfo=errInfo; goto _clear; } }while(0)
JNIEXPORT jbyteArray JNICALL Java_cn_reactnative_modules_update_DownloadTask_hdiffPatch
(JNIEnv *env, jobject self, jbyteArray origin, jbyteArray patch){
//todo:
return 0;
hpatch_BOOL _isError=hpatch_FALSE;
const char* _errInfo="";
jbyte* originPtr = (*env)->GetByteArrayElements(env, origin, NULL);
size_t originLength = (*env)->GetArrayLength(env, origin);
jbyte* patchPtr = (*env)->GetByteArrayElements(env, patch, NULL);
size_t patchLength = (*env)->GetArrayLength(env, patch);
jbyteArray ret = NULL;
jbyte* outPtr = NULL;
size_t newsize = 0;
hpatch_singleCompressedDiffInfo patInfo;
_check(((originLength==0)||originPtr) && patchPtr && (patchLength>0),"Corrupt patch");
_check(0!=hpatch_getInfo_by_mem(&patInfo,patchPtr,patchLength),"Error info in hpatch");
_check(originLength==patInfo.oldDataSize,"Error oldDataSize in hpatch");
newsize=(size_t)patInfo.newDataSize;
if (sizeof(size_t)!=sizeof(hpatch_StreamPos_t))
_check(newsize==patInfo.newDataSize,"Error newDataSize in hpatch");
ret = (*env)->NewByteArray(env,newsize);
_check(ret,"Error JNIEnv::NewByteArray()");
if (newsize>0) {
outPtr = (*env)->GetByteArrayElements(env, ret, NULL);
_check(outPtr,"Corrupt JNIEnv::GetByteArrayElements");
}
_check(0!=hpatch_by_mem(originPtr,originLength,outPtr,newsize,
pat,patsize,&patInfo),"hpacth");
_clear:
if (outPtr) (*env)->ReleaseByteArrayElements(env, ret, outPtr, (_isError?JNI_ABORT:0));
if (originPtr) (*env)->ReleaseByteArrayElements(env, origin, originPtr, JNI_ABORT);
if (patchPtr) (*env)->ReleaseByteArrayElements(env, patch, patchPtr, JNI_ABORT);
if (_isError){
jclass newExcCls = NULL;
if (ret){
(*env)->DeleteLocalRef(env, ret);
ret = NULL;
}
newExcCls = (*env)->FindClass(env, "java/lang/Error");
if (newExcCls != NULL) /* Unable to find the new exception class, give up. */
(*env)->ThrowNew(env, newExcCls, _errInfo);
}
return ret;
}