org.apache.crail.rpc

Class RpcProtocol

java.lang.Object

org.apache.crail.rpc.RpcErrors

org.apache.crail.rpc.RpcProtocol

public class RpcProtocol
extends RpcErrors

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	RpcProtocol.NameNodeRpcMessage

Field Summary

Fields

Modifier and Type	Field and Description
static short	CMD_CREATE_FILE
static short	CMD_DUMP_NAMENODE
static short	CMD_GET_BLOCK
static short	CMD_GET_DATANODE
static short	CMD_GET_FILE
static short	CMD_GET_LOCATION
static short	CMD_PING_NAMENODE
static short	CMD_REMOVE_FILE
static short	CMD_RENAME_FILE
static short	CMD_SET_BLOCK
static short	CMD_SET_FILE
static short	REQ_CREATE_FILE
static short	REQ_DUMP_NAMENODE
static short	REQ_GET_BLOCK
static short	REQ_GET_DATANODE
static short	REQ_GET_FILE
static short	REQ_GET_LOCATION
static short	REQ_PING_NAMENODE
static short	REQ_REMOVE_FILE
static short	REQ_RENAME_FILE
static short	REQ_SET_BLOCK
static short	REQ_SET_FILE
static short[]	requestTypes
static short	RES_CREATE_FILE
static short	RES_DELETE_FILE
static short	RES_GET_BLOCK
static short	RES_GET_DATANODE
static short	RES_GET_FILE
static short	RES_GET_LOCATION
static short	RES_PING_NAMENODE
static short	RES_RENAME_FILE
static short	RES_VOID
static short[]	responseTypes

Fields inherited from class org.apache.crail.rpc.RpcErrors

ERR_ADD_BLOCK_FAILED, ERR_CAPACITY_EXCEEDED, ERR_CREATE_FILE_BUG, ERR_CREATE_FILE_FAILED, ERR_DATANODE_NOT_REGISTERED, ERR_DIR_LOCATION_AFFINITY_MISMATCH, ERR_DIRECTORY_EXISTS, ERR_DST_PARENT_NOT_FOUND, ERR_FILE_COMPONENTS_EXCEEDED, ERR_FILE_EXISTS, ERR_FILE_IS_NOT_DIR, ERR_FILE_NOT_FOUND, ERR_FILE_NOT_OPEN, ERR_GET_FILE_FAILED, ERR_HAS_CHILDREN, ERR_INVALID_RPC_CMD, ERR_NO_DATANODES, ERR_NO_FREE_BLOCKS, ERR_OFFSET_TOO_LARGE, ERR_OK, ERR_PARENT_MISSING, ERR_PARENT_NOT_DIR, ERR_POSITION_NEGATIV, ERR_PROTOCOL_MISMATCH, ERR_SRC_FILE_NOT_FOUND, ERR_TOKEN_MISMATCH, ERR_TOKEN_TAKEN, ERR_TREE_CORRUPT, ERR_UNKNOWN, messages

Constructor Summary

Constructors

Constructor and Description
RpcProtocol()

Method Summary

Modifier and Type	Method and Description
static boolean	verifyProtocol(short cmd, RpcProtocol.NameNodeRpcMessage request, RpcProtocol.NameNodeRpcMessage response)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

requestTypes

public static short[] requestTypes

responseTypes

public static short[] responseTypes

CMD_CREATE_FILE

public static final short CMD_CREATE_FILE

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Constant Field Values

CMD_GET_FILE

public static final short CMD_GET_FILE

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CMD_SET_FILE

public static final short CMD_SET_FILE

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CMD_REMOVE_FILE

public static final short CMD_REMOVE_FILE

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CMD_RENAME_FILE

public static final short CMD_RENAME_FILE

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CMD_GET_BLOCK

public static final short CMD_GET_BLOCK

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CMD_GET_LOCATION

public static final short CMD_GET_LOCATION

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CMD_SET_BLOCK

public static final short CMD_SET_BLOCK

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CMD_DUMP_NAMENODE

public static final short CMD_DUMP_NAMENODE

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CMD_PING_NAMENODE

public static final short CMD_PING_NAMENODE

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CMD_GET_DATANODE

public static final short CMD_GET_DATANODE

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REQ_CREATE_FILE

public static final short REQ_CREATE_FILE

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REQ_GET_FILE

public static final short REQ_GET_FILE

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REQ_SET_FILE

public static final short REQ_SET_FILE

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REQ_REMOVE_FILE

public static final short REQ_REMOVE_FILE

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REQ_RENAME_FILE

public static final short REQ_RENAME_FILE

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REQ_GET_BLOCK

public static final short REQ_GET_BLOCK

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REQ_GET_LOCATION

public static final short REQ_GET_LOCATION

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REQ_SET_BLOCK

public static final short REQ_SET_BLOCK

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REQ_DUMP_NAMENODE

public static final short REQ_DUMP_NAMENODE

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REQ_PING_NAMENODE

public static final short REQ_PING_NAMENODE

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REQ_GET_DATANODE

public static final short REQ_GET_DATANODE

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RES_VOID

public static final short RES_VOID

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RES_CREATE_FILE

public static final short RES_CREATE_FILE

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RES_GET_FILE

public static final short RES_GET_FILE

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RES_DELETE_FILE

public static final short RES_DELETE_FILE

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RES_RENAME_FILE

public static final short RES_RENAME_FILE

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RES_GET_BLOCK

public static final short RES_GET_BLOCK

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RES_GET_LOCATION

public static final short RES_GET_LOCATION

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RES_PING_NAMENODE

public static final short RES_PING_NAMENODE

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RES_GET_DATANODE

public static final short RES_GET_DATANODE

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Constant Field Values

Constructor Detail

RpcProtocol

public RpcProtocol()

Method Detail

verifyProtocol

public static boolean verifyProtocol(short cmd,
                                     RpcProtocol.NameNodeRpcMessage request,
                                     RpcProtocol.NameNodeRpcMessage response)