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A redis based implementation of Shiro Cache, using redisson for basic capabilities.
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package com.github.streamone.shiro.session;
import static com.github.streamone.shiro.session.RedissonSession.*;
/**
* Redis lua scripts for session operations.
*
* @author streamone
*/
public abstract class RedissonSessionScript {
public static final String RETURN_CODE_EXPIRED = "-1";
public static final String RETURN_CODE_STOPPED = "-2";
public static final String RETURN_CODE_INVALID = "-3";
public static final String TOUCH_SCRIPT =
"if redis.call('PTTL', KEYS[1]) <= 0 then\n" +
" return " + makeError(RETURN_CODE_EXPIRED) + "\n" +
"end\n" +
"\n" +
"if redis.call('HEXISTS', KEYS[1], '\"" + INFO_STOP_KEY + "\"') == 1 then\n" +
" return " + makeError(RETURN_CODE_STOPPED) + "\n" +
"end\n" +
"\n" +
"local timeoutEncoded = redis.call('HGET', KEYS[1], '\"" + INFO_TIMEOUT_KEY + "\"')\n" +
"if timeoutEncoded == nil then\n" +
" return " + makeError(RETURN_CODE_INVALID) + "\n" +
"end\n" +
"\n" +
"local timeout = cjson.decode(timeoutEncoded)[2]\n" +
"\n" +
"redis.call('HSET', KEYS[1], '\"" + INFO_LAST_KEY + "\"', ARGV[1])\n" +
"redis.call('PEXPIRE', KEYS[1], timeout)\n" +
"redis.call('PEXPIRE', KEYS[2], timeout)";
public static final String INIT_SCRIPT =
"redis.call('HMSET', KEYS[1], '\"" + INFO_ID_KEY +"\"', ARGV[1], '\"" + INFO_TIMEOUT_KEY + "\"', ARGV[2],\n" +
" '\"" + INFO_START_KEY + "\"', ARGV[3], '\"" + INFO_LAST_KEY + "\"', ARGV[3],\n" +
" '\"" + INFO_HOST_KEY + "\"', ARGV[4])\n" +
"local timeout = cjson.decode(ARGV[2])[2]\n" +
"redis.call('PEXPIRE', KEYS[1], timeout)";
public static final String GET_START_SCRIPT =
"if redis.call('PTTL', KEYS[1]) <= 0 then\n" +
" return " + makeError(RETURN_CODE_EXPIRED) + "\n" +
"end\n" +
"\n" +
"if redis.call('HEXISTS', KEYS[1], '\"" + INFO_STOP_KEY + "\"') == 1 then\n" +
" return " + makeError(RETURN_CODE_STOPPED) + "\n" +
"end\n" +
"\n" +
"local startTime = redis.call('HGET', KEYS[1], '\"" + INFO_START_KEY + "\"')\n" +
"if startTime == nil then\n" +
" return " + makeError(RETURN_CODE_INVALID) + "\n" +
"end\n" +
"\n" +
"return startTime";
public static final String GET_LAST_SCRIPT =
"if redis.call('PTTL', KEYS[1]) <= 0 then\n" +
" return " + makeError(RETURN_CODE_EXPIRED) + "\n" +
"end\n" +
"\n" +
"if redis.call('HEXISTS', KEYS[1], '\"" + INFO_STOP_KEY +"\"') == 1 then\n" +
" return " + makeError(RETURN_CODE_STOPPED) + "\n" +
"end\n" +
"\n" +
"local lastTime = redis.call('HGET', KEYS[1], '\"" + INFO_LAST_KEY + "\"')\n" +
"if lastTime == nil then\n" +
" return " + makeError(RETURN_CODE_INVALID) + "\n" +
"end\n" +
"\n" +
"return lastTime";
public static final String GET_TIMEOUT_SCRIPT =
"if redis.call('PTTL', KEYS[1]) <= 0 then\n" +
" return " + makeError(RETURN_CODE_EXPIRED) + "\n" +
"end\n" +
"\n" +
"if redis.call('HEXISTS', KEYS[1], '\"" + INFO_STOP_KEY + "\"') == 1 then\n" +
" return " + makeError(RETURN_CODE_STOPPED) + "\n" +
"end\n" +
"\n" +
"local timeout = redis.call('HGET', KEYS[1], '\"" + INFO_TIMEOUT_KEY + "\"')\n" +
"if timeout == nil then\n" +
" return " + makeError(RETURN_CODE_INVALID) + "\n" +
"end\n" +
"\n" +
"return timeout";
public static final String GET_HOST_SCRIPT =
"if redis.call('PTTL', KEYS[1]) <= 0 then\n" +
" return " + makeError(RETURN_CODE_EXPIRED) + "\n" +
"end\n" +
"\n" +
"if redis.call('HEXISTS', KEYS[1], '\"" + INFO_STOP_KEY + "\"') == 1 then\n" +
" return " + makeError(RETURN_CODE_STOPPED) + "\n" +
"end\n" +
"\n" +
"local host = redis.call('HGET', KEYS[1], '\"" + INFO_HOST_KEY + "\"')\n" +
"if host == nil then\n" +
" return " + makeError(RETURN_CODE_INVALID) + "\n" +
"end\n" +
"\n" +
"return host";
public static final String SET_TIMEOUT_SCRIPT =
"if redis.call('PTTL', KEYS[1]) <= 0 then\n" +
" return " + makeError(RETURN_CODE_EXPIRED) + "\n" +
"end\n" +
"\n" +
"if redis.call('HEXISTS', KEYS[1], '\"" + INFO_STOP_KEY + "\"') == 1 then\n" +
" return " + makeError(RETURN_CODE_STOPPED) + "\n" +
"end\n" +
"\n" +
"local timeout = redis.call('HGET', KEYS[1], '\"" + INFO_TIMEOUT_KEY + "\"')\n" +
"if timeout == nil then\n" +
" return " + makeError(RETURN_CODE_INVALID) + "\n" +
"end\n" +
"\n" +
"redis.call('HSET', KEYS[1], '\"" + INFO_TIMEOUT_KEY + "\"', ARGV[1])\n" +
"local newTimeout = cjson.decode(ARGV[1])[2]\n" +
"redis.call('PEXPIRE', KEYS[1], newTimeout)\n" +
"redis.call('PEXPIRE', KEYS[2], newTimeout)";
public static final String STOP_SCRIPT =
"if redis.call('PTTL', KEYS[1]) <= 0 then\n" +
" return " + makeError(RETURN_CODE_EXPIRED) + "\n" +
"end\n" +
"\n" +
"if redis.call('HEXISTS', KEYS[1], '\"" + INFO_STOP_KEY + "\"') == 1 then\n" +
" return " + makeError(RETURN_CODE_STOPPED) + "\n" +
"end\n" +
"\n" +
"redis.call('HSET', KEYS[1], '\"" + INFO_STOP_KEY + "\"', ARGV[1])";
public static final String GET_ATTRKEYS_SCRIPT =
"if redis.call('PTTL', KEYS[1]) <= 0 then\n" +
" return " + makeError(RETURN_CODE_EXPIRED) + "\n" +
"end\n" +
"\n" +
"if redis.call('HEXISTS', KEYS[1], '\"" + INFO_STOP_KEY + "\"') == 1 then\n" +
" return " + makeError(RETURN_CODE_STOPPED) + "\n" +
"end\n" +
"\n" +
"return redis.call('HKEYS', KEYS[2])";
public static final String GET_ATTR_SCRIPT =
"if redis.call('PTTL', KEYS[1]) <= 0 then\n" +
" return " + makeError(RETURN_CODE_EXPIRED) + "\n" +
"end\n" +
"\n" +
"if redis.call('HEXISTS', KEYS[1], '\"" + INFO_STOP_KEY + "\"') == 1 then\n" +
" return " + makeError(RETURN_CODE_STOPPED) + "\n" +
"end\n" +
"\n" +
"return redis.call('HGET', KEYS[2], ARGV[1])";
public static final String REMOVE_ATTR_SCRIPT =
"if redis.call('PTTL', KEYS[1]) <= 0 then\n" +
" return " + makeError(RETURN_CODE_EXPIRED) + "\n" +
"end\n" +
"\n" +
"if redis.call('HEXISTS', KEYS[1], '\"" + INFO_STOP_KEY + "\"') == 1 then\n" +
" return " + makeError(RETURN_CODE_STOPPED) + "\n" +
"end\n" +
"\n" +
"local attr = redis.call('HGET', KEYS[2], ARGV[1])\n" +
"if attr ~= nil then\n" +
" redis.call('HDEL', KEYS[2], ARGV[1])\n" +
"end\n" +
"\n" +
"return attr";
public static final String SET_ATTR_SCRIPT =
"local pttl = redis.call('PTTL', KEYS[1])\n" +
"if pttl <= 0 then\n" +
" return " + makeError(RETURN_CODE_EXPIRED) + "\n" +
"end\n" +
"\n" +
"if redis.call('HEXISTS', KEYS[1], '\"" + INFO_STOP_KEY + "\"') == 1 then\n" +
" return " + makeError(RETURN_CODE_STOPPED) + "\n" +
"end\n" +
"\n" +
"redis.call('HSET', KEYS[2], ARGV[1], ARGV[2])\n" +
"-- redis auto delete key of hash when it is empty.\n" +
"-- then, expire time of the hash will be lost.\n" +
"if redis.call('PTTL', KEYS[2]) <= 0 then\n" +
" redis.call('PEXPIRE', KEYS[2], pttl)\n" +
"end";
public static final String DELETE_SCRIPT =
"redis.call('UNLINK', KEYS[1], KEYS[2])";
public static final String READ_SCRIPT =
"return redis.call('PTTL', KEYS[1])";
private static String makeError(String errMsg) {
return "redis.error_reply(\"" + errMsg + "\")";
}
}
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