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Commit 9cda3e02 authored by Joe Onorato's avatar Joe Onorato
Browse files

Helper API cleanup. Allows multiple helpers to function, 

because they'll always go in the same order, and this lets
us not have to write headers to keep them paired.
parent 292ae4f6

include/utils/BackupHelpers.h

+3 −0
Original line number Diff line number Diff line
@@ -71,6 +71,8 @@ public: 
    status_t WriteEntityHeader(const String8& key, size_t dataSize);

    status_t WriteEntityData(const void* data, size_t size);



    void SetKeyPrefix(const String8& keyPrefix);



private:

    explicit BackupDataWriter();

    status_t write_padding_for(int n);
@@ -79,6 +81,7 @@ private: 
    status_t m_status;

    ssize_t m_pos;

    int m_entityCount;

    String8 m_keyPrefix;

};



/**

libs/utils/BackupData.cpp

+18 −3
Original line number Diff line number Diff line
@@ -99,10 +99,20 @@ BackupDataWriter::WriteEntityHeader(const String8& key, size_t dataSize) 
        return amt;

    }



    String8 k;

    if (m_keyPrefix.length() > 0) {

        k = m_keyPrefix;

        k += ":";

        k += key;

    } else {

        k = key;

    }

    LOGD("m_keyPrefix=%s key=%s k=%s", m_keyPrefix.string(), key.string(), k.string());



    entity_header_v1 header;

    ssize_t keyLen;



    keyLen = key.length();

    keyLen = k.length();



    header.type = tolel(BACKUP_HEADER_ENTITY_V1);

    header.keyLen = tolel(keyLen);
@@ -115,7 +125,7 @@ BackupDataWriter::WriteEntityHeader(const String8& key, size_t dataSize) 
    }

    m_pos += amt;



    amt = write(m_fd, key.string(), keyLen+1);

    amt = write(m_fd, k.string(), keyLen+1);

    if (amt != keyLen+1) {

        m_status = errno;

        return m_status;
@@ -148,6 +158,11 @@ BackupDataWriter::WriteEntityData(const void* data, size_t size) 
    return NO_ERROR;

}



void

BackupDataWriter::SetKeyPrefix(const String8& keyPrefix)

{

    m_keyPrefix = keyPrefix;

}





BackupDataReader::BackupDataReader(int fd)
@@ -298,7 +313,7 @@ BackupDataReader::ReadEntityData(void* data, size_t size) 
    if (remaining <= 0) {

        return 0;

    }

    if (size > remaining) {

    if (((int)size) > remaining) {

        size = remaining;

    }

    //LOGD("   reading %d bytes", size);