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-rw-r--r--cmds/backup/backup.cpp29
-rw-r--r--core/java/android/backup/BackupDataInput.java20
-rw-r--r--core/java/android/backup/BackupDataInputStream.java61
-rw-r--r--core/java/android/backup/RestoreHelper.java10
-rw-r--r--core/java/android/backup/RestoreHelperDispatcher.java (renamed from core/java/android/backup/RestoreHelperDistributor.java)21
-rw-r--r--core/java/com/android/internal/backup/LocalTransport.java2
-rw-r--r--core/jni/android_backup_BackupDataInput.cpp47
-rw-r--r--include/utils/BackupHelpers.h27
-rw-r--r--libs/utils/BackupData.cpp151
-rw-r--r--libs/utils/BackupHelpers.cpp98
10 files changed, 176 insertions, 290 deletions
diff --git a/cmds/backup/backup.cpp b/cmds/backup/backup.cpp
index 22dd486..d4e669b 100644
--- a/cmds/backup/backup.cpp
+++ b/cmds/backup/backup.cpp
@@ -64,22 +64,14 @@ perform_list(const char* filename)
}
BackupDataReader reader(fd);
+ bool done;
int type;
- while (reader.ReadNextHeader(&type) == 0) {
+ while (reader.ReadNextHeader(&done, &type) == 0) {
+ if (done) {
+ break;
+ }
switch (type) {
- case BACKUP_HEADER_APP_V1:
- {
- String8 packageName;
- int cookie;
- err = reader.ReadAppHeader(&packageName, &cookie);
- if (err == 0) {
- printf("App header: %s 0x%08x (%d)\n", packageName.string(), cookie, cookie);
- } else {
- printf("Error reading app header\n");
- }
- break;
- }
case BACKUP_HEADER_ENTITY_V1:
{
String8 key;
@@ -92,17 +84,6 @@ perform_list(const char* filename)
}
break;
}
- case BACKUP_FOOTER_APP_V1:
- {
- int cookie;
- err = reader.ReadAppFooter(&cookie);
- if (err == 0) {
- printf(" App footer: 0x%08x (%d)\n", cookie, cookie);
- } else {
- printf(" Error reading entity header\n");
- }
- break;
- }
default:
{
printf("Unknown chunk type: 0x%08x\n", type);
diff --git a/core/java/android/backup/BackupDataInput.java b/core/java/android/backup/BackupDataInput.java
index 609dd90..69c206c 100644
--- a/core/java/android/backup/BackupDataInput.java
+++ b/core/java/android/backup/BackupDataInput.java
@@ -82,9 +82,9 @@ public class BackupDataInput {
}
}
- public int readEntityData(byte[] data, int size) throws IOException {
+ public int readEntityData(byte[] data, int offset, int size) throws IOException {
if (mHeaderReady) {
- int result = readEntityData_native(mBackupReader, data, size);
+ int result = readEntityData_native(mBackupReader, data, offset, size);
if (result >= 0) {
return result;
} else {
@@ -95,9 +95,23 @@ public class BackupDataInput {
}
}
+ public void skipEntityData() throws IOException {
+ if (mHeaderReady) {
+ int result = skipEntityData_native(mBackupReader);
+ if (result >= 0) {
+ return;
+ } else {
+ throw new IOException("result=0x" + Integer.toHexString(result));
+ }
+ } else {
+ throw new IllegalStateException("mHeaderReady=false");
+ }
+ }
+
private native static int ctor(FileDescriptor fd);
private native static void dtor(int mBackupReader);
private native int readNextHeader_native(int mBackupReader, EntityHeader entity);
- private native int readEntityData_native(int mBackupReader, byte[] data, int size);
+ private native int readEntityData_native(int mBackupReader, byte[] data, int offset, int size);
+ private native int skipEntityData_native(int mBackupReader);
}
diff --git a/core/java/android/backup/BackupDataInputStream.java b/core/java/android/backup/BackupDataInputStream.java
new file mode 100644
index 0000000..52b1675
--- /dev/null
+++ b/core/java/android/backup/BackupDataInputStream.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.backup;
+
+import java.io.InputStream;
+import java.io.IOException;
+
+/** @hide */
+public class BackupDataInputStream extends InputStream {
+
+ String key;
+ int dataSize;
+
+ BackupDataInput mData;
+ byte[] mOneByte;
+
+ BackupDataInputStream(BackupDataInput data) {
+ mData = data;
+ }
+
+ public int read() throws IOException {
+ byte[] one = mOneByte;
+ if (mOneByte == null) {
+ one = mOneByte = new byte[1];
+ }
+ mData.readEntityData(one, 0, 1);
+ return one[0];
+ }
+
+ public int read(byte[] b, int offset, int size) throws IOException {
+ return mData.readEntityData(b, offset, size);
+ }
+
+ public int read(byte[] b) throws IOException {
+ return mData.readEntityData(b, 0, b.length);
+ }
+
+ public String getKey() {
+ return this.key;
+ }
+
+ public int size() {
+ return this.dataSize;
+ }
+}
+
+
diff --git a/core/java/android/backup/RestoreHelper.java b/core/java/android/backup/RestoreHelper.java
index ebd9906..ee8bedd 100644
--- a/core/java/android/backup/RestoreHelper.java
+++ b/core/java/android/backup/RestoreHelper.java
@@ -16,8 +16,16 @@
package android.backup;
+import java.io.InputStream;
+
/** @hide */
public interface RestoreHelper {
- public void performRestore();
+ /**
+ * Called by RestoreHelperDispatcher to dispatch one entity of data.
+ * <p class=note>
+ * Do not close the <code>data</code> stream. Do not read more than
+ * <code>dataSize</code> bytes from <code>data</code>.
+ */
+ public void performRestore(BackupDataInputStream data);
}
diff --git a/core/java/android/backup/RestoreHelperDistributor.java b/core/java/android/backup/RestoreHelperDispatcher.java
index 555ca79..cbfefdc 100644
--- a/core/java/android/backup/RestoreHelperDistributor.java
+++ b/core/java/android/backup/RestoreHelperDispatcher.java
@@ -16,13 +16,32 @@
package android.backup;
+import java.io.IOException;
import java.util.HashMap;
/** @hide */
-public class RestoreHelperDistributor {
+public class RestoreHelperDispatcher {
HashMap<String,RestoreHelper> mHelpers;
public void addHelper(String keyPrefix, RestoreHelper helper) {
mHelpers.put(keyPrefix, helper);
}
+
+ public void dispatch(BackupDataInput input) throws IOException {
+ BackupDataInputStream stream = new BackupDataInputStream(input);
+ while (input.readNextHeader()) {
+ String rawKey = input.getKey();
+ int pos = rawKey.indexOf(':');
+ if (pos > 0) {
+ String prefix = rawKey.substring(0, pos);
+ RestoreHelper helper = mHelpers.get(prefix);
+ if (helper != null) {
+ stream.dataSize = input.getDataSize();
+ stream.key = rawKey.substring(pos+1);
+ helper.performRestore(stream);
+ }
+ }
+ input.skipEntityData(); // In case they didn't consume the data.
+ }
+ }
}
diff --git a/core/java/com/android/internal/backup/LocalTransport.java b/core/java/com/android/internal/backup/LocalTransport.java
index 5da0883..123c072 100644
--- a/core/java/com/android/internal/backup/LocalTransport.java
+++ b/core/java/com/android/internal/backup/LocalTransport.java
@@ -84,7 +84,7 @@ public class LocalTransport extends IBackupTransport.Stub {
bufSize = dataSize;
buf = new byte[bufSize];
}
- changeSet.readEntityData(buf, dataSize);
+ changeSet.readEntityData(buf, 0, dataSize);
if (DEBUG) Log.v(TAG, " + data size " + dataSize);
File entityFile = new File(packageDir, key);
diff --git a/core/jni/android_backup_BackupDataInput.cpp b/core/jni/android_backup_BackupDataInput.cpp
index 5b2fb73..cf8a8e8 100644
--- a/core/jni/android_backup_BackupDataInput.cpp
+++ b/core/jni/android_backup_BackupDataInput.cpp
@@ -55,18 +55,13 @@ static jint
readNextHeader_native(JNIEnv* env, jobject clazz, int r, jobject entity)
{
int err;
+ bool done;
BackupDataReader* reader = (BackupDataReader*)r;
- err = reader->Status();
- if (err != 0) {
- return err < 0 ? err : -1;
- }
-
int type = 0;
- err = reader->ReadNextHeader(&type);
- if (err == EIO) {
- // Clean EOF with no footer block; just claim we're done
+ err = reader->ReadNextHeader(&done, &type);
+ if (done) {
return 1;
}
@@ -75,24 +70,12 @@ readNextHeader_native(JNIEnv* env, jobject clazz, int r, jobject entity)
}
switch (type) {
- case BACKUP_HEADER_APP_V1:
- {
- String8 packageName;
- int cookie;
- err = reader->ReadAppHeader(&packageName, &cookie);
- if (err != 0) {
- LOGD("ReadAppHeader() returned %d; aborting", err);
- return err < 0 ? err : -1;
- }
- break;
- }
case BACKUP_HEADER_ENTITY_V1:
{
String8 key;
size_t dataSize;
err = reader->ReadEntityHeader(&key, &dataSize);
if (err != 0) {
- LOGD("ReadEntityHeader(); aborting", err);
return err < 0 ? err : -1;
}
// TODO: Set the fields in the entity object
@@ -101,10 +84,6 @@ readNextHeader_native(JNIEnv* env, jobject clazz, int r, jobject entity)
env->SetIntField(entity, s_dataSizeField, dataSize);
return 0;
}
- case BACKUP_FOOTER_APP_V1:
- {
- break;
- }
default:
LOGD("Unknown header type: 0x%08x\n", type);
return -1;
@@ -115,12 +94,12 @@ readNextHeader_native(JNIEnv* env, jobject clazz, int r, jobject entity)
}
static jint
-readEntityData_native(JNIEnv* env, jobject clazz, int r, jbyteArray data, int size)
+readEntityData_native(JNIEnv* env, jobject clazz, int r, jbyteArray data, int offset, int size)
{
int err;
BackupDataReader* reader = (BackupDataReader*)r;
- if (env->GetArrayLength(data) < size) {
+ if (env->GetArrayLength(data) < (size+offset)) {
// size mismatch
return -1;
}
@@ -130,19 +109,31 @@ readEntityData_native(JNIEnv* env, jobject clazz, int r, jbyteArray data, int si
return -2;
}
- err = reader->ReadEntityData(dataBytes, size);
+ err = reader->ReadEntityData(dataBytes+offset, size);
env->ReleaseByteArrayElements(data, dataBytes, 0);
return err;
}
+static jint
+skipEntityData_native(JNIEnv* env, jobject clazz, int r)
+{
+ int err;
+ BackupDataReader* reader = (BackupDataReader*)r;
+
+ err = reader->SkipEntityData();
+
+ return err;
+}
+
static const JNINativeMethod g_methods[] = {
{ "ctor", "(Ljava/io/FileDescriptor;)I", (void*)ctor_native },
{ "dtor", "(I)V", (void*)dtor_native },
{ "readNextHeader_native", "(ILandroid/backup/BackupDataInput$EntityHeader;)I",
(void*)readNextHeader_native },
- { "readEntityData_native", "(I[BI)I", (void*)readEntityData_native },
+ { "readEntityData_native", "(I[BII)I", (void*)readEntityData_native },
+ { "skipEntityData_native", "(I)I", (void*)skipEntityData_native },
};
int register_android_backup_BackupDataInput(JNIEnv* env)
diff --git a/include/utils/BackupHelpers.h b/include/utils/BackupHelpers.h
index f60f4ea..3ca8ad2 100644
--- a/include/utils/BackupHelpers.h
+++ b/include/utils/BackupHelpers.h
@@ -23,30 +23,15 @@
namespace android {
enum {
- BACKUP_HEADER_APP_V1 = 0x31707041, // App1 (little endian)
BACKUP_HEADER_ENTITY_V1 = 0x61746144, // Data (little endian)
- BACKUP_FOOTER_APP_V1 = 0x746f6f46, // Foot (little endian)
};
-// the sizes of all of these match.
-typedef struct {
- int type; // == BACKUP_HEADER_APP_V1
- int packageLen; // length of the name of the package that follows, not including the null.
- int cookie;
-} app_header_v1;
-
typedef struct {
int type; // BACKUP_HEADER_ENTITY_V1
int keyLen; // length of the key name, not including the null terminator
int dataSize; // size of the data, not including the padding, -1 means delete
} entity_header_v1;
-typedef struct {
- int type; // BACKUP_FOOTER_APP_V1
- int entityCount; // the number of entities that were written
- int cookie;
-} app_footer_v1;
-
/**
* Writes the data.
@@ -61,13 +46,9 @@ public:
// does not close fd
~BackupDataWriter();
- status_t WriteAppHeader(const String8& packageName, int cookie);
-
status_t WriteEntityHeader(const String8& key, size_t dataSize);
status_t WriteEntityData(const void* data, size_t size);
- status_t WriteAppFooter(int cookie);
-
private:
explicit BackupDataWriter();
status_t write_padding_for(int n);
@@ -92,28 +73,26 @@ public:
~BackupDataReader();
status_t Status();
- status_t ReadNextHeader(int* type = NULL);
+ status_t ReadNextHeader(bool* done, int* type);
- status_t ReadAppHeader(String8* packageName, int* cookie);
bool HasEntities();
status_t ReadEntityHeader(String8* key, size_t* dataSize);
status_t SkipEntityData(); // must be called with the pointer at the begining of the data.
status_t ReadEntityData(void* data, size_t size);
- status_t ReadAppFooter(int* cookie);
private:
explicit BackupDataReader();
status_t skip_padding();
int m_fd;
+ bool m_done;
status_t m_status;
ssize_t m_pos;
+ ssize_t m_dataEndPos;
int m_entityCount;
union {
int type;
- app_header_v1 app;
entity_header_v1 entity;
- app_footer_v1 footer;
} m_header;
};
diff --git a/libs/utils/BackupData.cpp b/libs/utils/BackupData.cpp
index 8c9f875..16ff1e5 100644
--- a/libs/utils/BackupData.cpp
+++ b/libs/utils/BackupData.cpp
@@ -86,46 +86,6 @@ BackupDataWriter::write_padding_for(int n)
}
status_t
-BackupDataWriter::WriteAppHeader(const String8& packageName, int cookie)
-{
- if (m_status != NO_ERROR) {
- return m_status;
- }
-
- ssize_t amt;
-
- amt = write_padding_for(m_pos);
- if (amt != 0) {
- return amt;
- }
-
- app_header_v1 header;
- ssize_t nameLen;
-
- nameLen = packageName.length();
-
- header.type = tolel(BACKUP_HEADER_APP_V1);
- header.packageLen = tolel(nameLen);
- header.cookie = cookie;
-
- amt = write(m_fd, &header, sizeof(app_header_v1));
- if (amt != sizeof(app_header_v1)) {
- m_status = errno;
- return m_status;
- }
- m_pos += amt;
-
- amt = write(m_fd, packageName.string(), nameLen+1);
- if (amt != nameLen+1) {
- m_status = errno;
- return m_status;
- }
- m_pos += amt;
-
- return NO_ERROR;
-}
-
-status_t
BackupDataWriter::WriteEntityHeader(const String8& key, size_t dataSize)
{
if (m_status != NO_ERROR) {
@@ -188,40 +148,11 @@ BackupDataWriter::WriteEntityData(const void* data, size_t size)
return NO_ERROR;
}
-status_t
-BackupDataWriter::WriteAppFooter(int cookie)
-{
- if (m_status != NO_ERROR) {
- return m_status;
- }
-
- ssize_t amt;
-
- amt = write_padding_for(m_pos);
- if (amt != 0) {
- return amt;
- }
-
- app_footer_v1 footer;
- ssize_t nameLen;
-
- footer.type = tolel(BACKUP_FOOTER_APP_V1);
- footer.entityCount = tolel(m_entityCount);
- footer.cookie = cookie;
-
- amt = write(m_fd, &footer, sizeof(app_footer_v1));
- if (amt != sizeof(app_footer_v1)) {
- m_status = errno;
- return m_status;
- }
- m_pos += amt;
-
- return NO_ERROR;
-}
BackupDataReader::BackupDataReader(int fd)
:m_fd(fd),
+ m_done(false),
m_status(NO_ERROR),
m_pos(0),
m_entityCount(0)
@@ -260,31 +191,25 @@ BackupDataReader::Status()
} while(0)
status_t
-BackupDataReader::ReadNextHeader(int* type)
+BackupDataReader::ReadNextHeader(bool* done, int* type)
{
+ *done = m_done;
if (m_status != NO_ERROR) {
return m_status;
}
int amt;
- SKIP_PADDING();
+ // No error checking here, in case we're at the end of the stream. Just let read() fail.
+ skip_padding();
amt = read(m_fd, &m_header, sizeof(m_header));
+ *done = m_done = (amt == 0);
CHECK_SIZE(amt, sizeof(m_header));
// validate and fix up the fields.
m_header.type = fromlel(m_header.type);
switch (m_header.type)
{
- case BACKUP_HEADER_APP_V1:
- m_header.app.packageLen = fromlel(m_header.app.packageLen);
- if (m_header.app.packageLen < 0) {
- LOGD("App header at %d has packageLen<0: 0x%08x\n", (int)m_pos,
- (int)m_header.app.packageLen);
- m_status = EINVAL;
- }
- m_header.app.cookie = m_header.app.cookie;
- break;
case BACKUP_HEADER_ENTITY_V1:
m_header.entity.keyLen = fromlel(m_header.entity.keyLen);
if (m_header.entity.keyLen <= 0) {
@@ -295,15 +220,6 @@ BackupDataReader::ReadNextHeader(int* type)
m_header.entity.dataSize = fromlel(m_header.entity.dataSize);
m_entityCount++;
break;
- case BACKUP_FOOTER_APP_V1:
- m_header.footer.entityCount = fromlel(m_header.footer.entityCount);
- if (m_header.footer.entityCount < 0) {
- LOGD("Entity header at %d has entityCount<0: 0x%08x\n", (int)m_pos,
- (int)m_header.footer.entityCount);
- m_status = EINVAL;
- }
- m_header.footer.cookie = m_header.footer.cookie;
- break;
default:
LOGD("Chunk header at %d has invalid type: 0x%08x", (int)m_pos, (int)m_header.type);
m_status = EINVAL;
@@ -316,30 +232,6 @@ BackupDataReader::ReadNextHeader(int* type)
return m_status;
}
-status_t
-BackupDataReader::ReadAppHeader(String8* packageName, int* cookie)
-{
- if (m_status != NO_ERROR) {
- return m_status;
- }
- if (m_header.type != BACKUP_HEADER_APP_V1) {
- return EINVAL;
- }
- size_t size = m_header.app.packageLen;
- char* buf = packageName->lockBuffer(size);
- if (buf == NULL) {
- packageName->unlockBuffer();
- m_status = ENOMEM;
- return m_status;
- }
- int amt = read(m_fd, buf, size+1);
- CHECK_SIZE(amt, (int)size+1);
- packageName->unlockBuffer(size);
- m_pos += size+1;
- *cookie = m_header.app.cookie;
- return NO_ERROR;
-}
-
bool
BackupDataReader::HasEntities()
{
@@ -368,6 +260,7 @@ BackupDataReader::ReadEntityHeader(String8* key, size_t* dataSize)
m_pos += size+1;
*dataSize = m_header.entity.dataSize;
SKIP_PADDING();
+ m_dataEndPos = m_pos + *dataSize;
return NO_ERROR;
}
@@ -381,7 +274,7 @@ BackupDataReader::SkipEntityData()
return EINVAL;
}
if (m_header.entity.dataSize > 0) {
- int pos = lseek(m_fd, m_header.entity.dataSize, SEEK_CUR);
+ int pos = lseek(m_fd, m_dataEndPos, SEEK_SET);
return pos == -1 ? (int)errno : (int)NO_ERROR;
} else {
return NO_ERROR;
@@ -394,6 +287,15 @@ BackupDataReader::ReadEntityData(void* data, size_t size)
if (m_status != NO_ERROR) {
return m_status;
}
+ int remaining = m_dataEndPos - m_pos;
+ if (size > remaining) {
+ printf("size=%d m_pos=0x%x m_dataEndPos=0x%x remaining=%d\n",
+ size, m_pos, m_dataEndPos, remaining);
+ size = remaining;
+ }
+ if (remaining <= 0) {
+ return 0;
+ }
int amt = read(m_fd, data, size);
CHECK_SIZE(amt, (int)size);
m_pos += size;
@@ -401,25 +303,6 @@ BackupDataReader::ReadEntityData(void* data, size_t size)
}
status_t
-BackupDataReader::ReadAppFooter(int* cookie)
-{
- if (m_status != NO_ERROR) {
- return m_status;
- }
- if (m_header.type != BACKUP_FOOTER_APP_V1) {
- return EINVAL;
- }
- if (m_header.footer.entityCount != m_entityCount) {
- LOGD("entity count mismatch actual=%d expected=%d", m_entityCount,
- m_header.footer.entityCount);
- m_status = EINVAL;
- return m_status;
- }
- *cookie = m_header.footer.cookie;
- return NO_ERROR;
-}
-
-status_t
BackupDataReader::skip_padding()
{
ssize_t amt;
diff --git a/libs/utils/BackupHelpers.cpp b/libs/utils/BackupHelpers.cpp
index 4c3e37d..c1d5404 100644
--- a/libs/utils/BackupHelpers.cpp
+++ b/libs/utils/BackupHelpers.cpp
@@ -689,41 +689,27 @@ backup_helper_test_four()
// hexdump -v -e '" " 8/1 " 0x%02x," "\n"' data_writer.data
const unsigned char DATA_GOLDEN_FILE[] = {
- 0x41, 0x70, 0x70, 0x31, 0x0b, 0x00, 0x00, 0x00,
- 0xdd, 0xcc, 0xbb, 0xaa, 0x6e, 0x6f, 0x5f, 0x70,
- 0x61, 0x64, 0x64, 0x69, 0x6e, 0x67, 0x5f, 0x00,
0x44, 0x61, 0x74, 0x61, 0x0b, 0x00, 0x00, 0x00,
0x0c, 0x00, 0x00, 0x00, 0x6e, 0x6f, 0x5f, 0x70,
0x61, 0x64, 0x64, 0x69, 0x6e, 0x67, 0x5f, 0x00,
0x6e, 0x6f, 0x5f, 0x70, 0x61, 0x64, 0x64, 0x69,
- 0x6e, 0x67, 0x5f, 0x00, 0x41, 0x70, 0x70, 0x31,
- 0x0c, 0x00, 0x00, 0x00, 0xdd, 0xcc, 0xbb, 0xaa,
+ 0x6e, 0x67, 0x5f, 0x00, 0x44, 0x61, 0x74, 0x61,
+ 0x0c, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00,
0x70, 0x61, 0x64, 0x64, 0x65, 0x64, 0x5f, 0x74,
0x6f, 0x5f, 0x5f, 0x33, 0x00, 0xbc, 0xbc, 0xbc,
- 0x44, 0x61, 0x74, 0x61, 0x0c, 0x00, 0x00, 0x00,
- 0x0d, 0x00, 0x00, 0x00, 0x70, 0x61, 0x64, 0x64,
- 0x65, 0x64, 0x5f, 0x74, 0x6f, 0x5f, 0x5f, 0x33,
- 0x00, 0xbc, 0xbc, 0xbc, 0x70, 0x61, 0x64, 0x64,
- 0x65, 0x64, 0x5f, 0x74, 0x6f, 0x5f, 0x5f, 0x33,
- 0x00, 0xbc, 0xbc, 0xbc, 0x41, 0x70, 0x70, 0x31,
- 0x0d, 0x00, 0x00, 0x00, 0xdd, 0xcc, 0xbb, 0xaa,
0x70, 0x61, 0x64, 0x64, 0x65, 0x64, 0x5f, 0x74,
- 0x6f, 0x5f, 0x32, 0x5f, 0x5f, 0x00, 0xbc, 0xbc,
+ 0x6f, 0x5f, 0x5f, 0x33, 0x00, 0xbc, 0xbc, 0xbc,
0x44, 0x61, 0x74, 0x61, 0x0d, 0x00, 0x00, 0x00,
0x0e, 0x00, 0x00, 0x00, 0x70, 0x61, 0x64, 0x64,
0x65, 0x64, 0x5f, 0x74, 0x6f, 0x5f, 0x32, 0x5f,
0x5f, 0x00, 0xbc, 0xbc, 0x70, 0x61, 0x64, 0x64,
0x65, 0x64, 0x5f, 0x74, 0x6f, 0x5f, 0x32, 0x5f,
- 0x5f, 0x00, 0xbc, 0xbc, 0x41, 0x70, 0x70, 0x31,
- 0x0a, 0x00, 0x00, 0x00, 0xdd, 0xcc, 0xbb, 0xaa,
- 0x70, 0x61, 0x64, 0x64, 0x65, 0x64, 0x5f, 0x74,
- 0x6f, 0x31, 0x00, 0xbc, 0x44, 0x61, 0x74, 0x61,
+ 0x5f, 0x00, 0xbc, 0xbc, 0x44, 0x61, 0x74, 0x61,
0x0a, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00,
0x70, 0x61, 0x64, 0x64, 0x65, 0x64, 0x5f, 0x74,
0x6f, 0x31, 0x00, 0xbc, 0x70, 0x61, 0x64, 0x64,
- 0x65, 0x64, 0x5f, 0x74, 0x6f, 0x31, 0x00, 0xbc,
- 0x46, 0x6f, 0x6f, 0x74, 0x04, 0x00, 0x00, 0x00,
- 0x99, 0x99, 0x77, 0x77
+ 0x65, 0x64, 0x5f, 0x74, 0x6f, 0x31, 0x00
+
};
const int DATA_GOLDEN_FILE_SIZE = sizeof(DATA_GOLDEN_FILE);
@@ -733,12 +719,6 @@ test_write_header_and_entity(BackupDataWriter& writer, const char* str)
int err;
String8 text(str);
- err = writer.WriteAppHeader(text, 0xaabbccdd);
- if (err != 0) {
- fprintf(stderr, "WriteAppHeader failed with %s\n", strerror(err));
- return err;
- }
-
err = writer.WriteEntityHeader(text, text.length()+1);
if (err != 0) {
fprintf(stderr, "WriteEntityHeader failed with %s\n", strerror(err));
@@ -779,8 +759,6 @@ backup_helper_test_data_writer()
err |= test_write_header_and_entity(writer, "padded_to_2__");
err |= test_write_header_and_entity(writer, "padded_to1");
- writer.WriteAppFooter(0x77779999);
-
close(fd);
err = compare_file(filename, DATA_GOLDEN_FILE, DATA_GOLDEN_FILE_SIZE);
@@ -800,70 +778,59 @@ test_read_header_and_entity(BackupDataReader& reader, const char* str)
String8 string;
int cookie = 0x11111111;
size_t actualSize;
+ bool done;
+ int type;
// printf("\n\n---------- test_read_header_and_entity -- %s\n\n", str);
- err = reader.ReadNextHeader();
- if (err != 0) {
- fprintf(stderr, "ReadNextHeader (for app header) failed with %s\n", strerror(err));
- goto done;
+ err = reader.ReadNextHeader(&done, &type);
+ if (done) {
+ fprintf(stderr, "should not be done yet\n");
+ goto finished;
}
-
- err = reader.ReadAppHeader(&string, &cookie);
if (err != 0) {
- fprintf(stderr, "ReadAppHeader failed with %s\n", strerror(err));
- goto done;
- }
- if (string != str) {
- fprintf(stderr, "ReadAppHeader expected packageName '%s' got '%s'\n", str, string.string());
- err = EINVAL;
- goto done;
+ fprintf(stderr, "ReadNextHeader (for app header) failed with %s\n", strerror(err));
+ goto finished;
}
- if (cookie != (int)0xaabbccdd) {
- fprintf(stderr, "ReadAppHeader expected cookie 0x%08x got 0x%08x\n", 0xaabbccdd, cookie);
+ if (type != BACKUP_HEADER_ENTITY_V1) {
err = EINVAL;
- goto done;
- }
-
- err = reader.ReadNextHeader();
- if (err != 0) {
- fprintf(stderr, "ReadNextHeader (for entity header) failed with %s\n", strerror(err));
- goto done;
+ fprintf(stderr, "type=0x%08x expected 0x%08x\n", type, BACKUP_HEADER_ENTITY_V1);
}
err = reader.ReadEntityHeader(&string, &actualSize);
if (err != 0) {
fprintf(stderr, "ReadEntityHeader failed with %s\n", strerror(err));
- goto done;
+ goto finished;
}
if (string != str) {
fprintf(stderr, "ReadEntityHeader expected key '%s' got '%s'\n", str, string.string());
err = EINVAL;
- goto done;
+ goto finished;
}
if ((int)actualSize != bufSize) {
fprintf(stderr, "ReadEntityHeader expected dataSize 0x%08x got 0x%08x\n", bufSize,
actualSize);
err = EINVAL;
- goto done;
+ goto finished;
}
err = reader.ReadEntityData(buf, bufSize);
if (err != NO_ERROR) {
fprintf(stderr, "ReadEntityData failed with %s\n", strerror(err));
- goto done;
+ goto finished;
}
if (0 != memcmp(buf, str, bufSize)) {
fprintf(stderr, "ReadEntityData expected '%s' but got something starting with "
- "%02x %02x %02x %02x\n", str, buf[0], buf[1], buf[2], buf[3]);
+ "%02x %02x %02x %02x '%c%c%c%c'\n", str, buf[0], buf[1], buf[2], buf[3],
+ buf[0], buf[1], buf[2], buf[3]);
err = EINVAL;
- goto done;
+ goto finished;
}
// The next read will confirm whether it got the right amount of data.
-done:
+finished:
if (err != NO_ERROR) {
fprintf(stderr, "test_read_header_and_entity failed with %s\n", strerror(err));
}
@@ -923,23 +890,6 @@ backup_helper_test_data_reader()
if (err == NO_ERROR) {
err = test_read_header_and_entity(reader, "padded_to1");
}
-
- if (err == NO_ERROR) {
- err = reader.ReadNextHeader();
- if (err != 0) {
- fprintf(stderr, "ReadNextHeader (for app header) failed with %s\n", strerror(err));
- }
-
- if (err == NO_ERROR) {
- int cookie;
- err |= reader.ReadAppFooter(&cookie);
- if (cookie != 0x77779999) {
- fprintf(stderr, "app footer cookie expected=0x%08x actual=0x%08x\n",
- 0x77779999, cookie);
- err = EINVAL;
- }
- }
- }
}
close(fd);
generated by cgit v1.1 at 2024-05-28 15:21:54 +0000