【Spring Boot】透过Redis看协议 🔥_襄垣的专栏文章_微信文章

协议

就是特定的格式代表特定的含义。
比如
Redis的协议

Protocol 是Spring Boot Redis中关于协议的一个类。
public final class Protocol {

  private static final String ASK_RESPONSE = "ASK";
  private static final String MOVED_RESPONSE = "MOVED";
  private static final String CLUSTERDOWN_RESPONSE = "CLUSTERDOWN";
  private static final String BUSY_RESPONSE = "BUSY";
  private static final String NOSCRIPT_RESPONSE = "NOSCRIPT";

  public static final String DEFAULT_HOST = "localhost";
  public static final int DEFAULT_PORT = 6379;
  public static final int DEFAULT_SENTINEL_PORT = 26379;
  public static final int DEFAULT_TIMEOUT = 2000;
  public static final int DEFAULT_DATABASE = 0;

  public static final String CHARSET = "UTF-8";

  public static final byte DOLLAR_BYTE = '$';
  public static final byte ASTERISK_BYTE = '*';
  public static final byte PLUS_BYTE = '+';
  public static final byte MINUS_BYTE = '-';
  public static final byte COLON_BYTE = ':';

  public static final String SENTINEL_MASTERS = "masters";
  public static final String SENTINEL_GET_MASTER_ADDR_BY_NAME = "get-master-addr-by-name";
  public static final String SENTINEL_RESET = "reset";
  public static final String SENTINEL_SLAVES = "slaves";
  public static final String SENTINEL_FAILOVER = "failover";
  public static final String SENTINEL_MONITOR = "monitor";
  public static final String SENTINEL_REMOVE = "remove";
  public static final String SENTINEL_SET = "set";

  public static final String CLUSTER_NODES = "nodes";
  public static final String CLUSTER_MEET = "meet";
  public static final String CLUSTER_RESET = "reset";
  public static final String CLUSTER_ADDSLOTS = "addslots";
  public static final String CLUSTER_DELSLOTS = "delslots";
  public static final String CLUSTER_INFO = "info";
  public static final String CLUSTER_GETKEYSINSLOT = "getkeysinslot";
  public static final String CLUSTER_SETSLOT = "setslot";
  public static final String CLUSTER_SETSLOT_NODE = "node";
  public static final String CLUSTER_SETSLOT_MIGRATING = "migrating";
  public static final String CLUSTER_SETSLOT_IMPORTING = "importing";
  public static final String CLUSTER_SETSLOT_STABLE = "stable";
  public static final String CLUSTER_FORGET = "forget";
  public static final String CLUSTER_FLUSHSLOT = "flushslots";
  public static final String CLUSTER_KEYSLOT = "keyslot";
  public static final String CLUSTER_COUNTKEYINSLOT = "countkeysinslot";
  public static final String CLUSTER_SAVECONFIG = "saveconfig";
  public static final String CLUSTER_REPLICATE = "replicate";
  public static final String CLUSTER_SLAVES = "slaves";
  public static final String CLUSTER_FAILOVER = "failover";
  public static final String CLUSTER_SLOTS = "slots";
  public static final String PUBSUB_CHANNELS = "channels";
  public static final String PUBSUB_NUMSUB = "numsub";
  public static final String PUBSUB_NUM_PAT = "numpat";

  public static final byte[] BYTES_TRUE = toByteArray(1);
  public static final byte[] BYTES_FALSE = toByteArray(0);

  public static final byte[] POSITIVE_INFINITY_BYTES = "+inf".getBytes();
  public static final byte[] NEGATIVE_INFINITY_BYTES = "-inf".getBytes();
}
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