Reply CodisClient::RedisCommand(const vector<string>& command, int tt)
{
if (command.size() < 2)
{
Reply reply;
reply.SetErrorMessage("Command length should gt 2");
return reply;
}
vector<string> innerCommand;
for(size_t i=0; i<command.size(); i++)
{
if ((command[0] == "MGET") || (command[0] == "mget"))
{
if (m_BID!="" && i>0)
{
innerCommand.push_back(m_BID + "_" + command[i]);
}
else
{
innerCommand.push_back(command[i]);
}
}
else if ((command[0] == "MSET") || (command[0] == "mset"))
{
if ((m_BID!="") && (i%2==1))
{
innerCommand.push_back(m_BID + "_" + command[i]);
}
else
{
innerCommand.push_back(command[i]);
}
}
else if ((command[0] == "DEL") || (command[0] == "del"))
{
if ((m_BID!="") && (i>0))
{
innerCommand.push_back(m_BID + "_" + command[i]);
}
else
{
innerCommand.push_back(command[i]);
}
}
else if (i==1 && m_BID!="")
{
innerCommand.push_back(m_BID + "_" + command[i]);
}
else
{
innerCommand.push_back(command[i]);
}
}
vector<const char*> argv;
vector<size_t> arglen;
for (size_t i=0; i<innerCommand.size(); ++i)
{
argv.push_back(innerCommand[i].c_str());
arglen.push_back(innerCommand[i].size());
}
if (!m_ConnPool)
{
LOG(ERROR, "connpool is null!");
Reply reply;
reply.SetErrorMessage("Can not fetch client from pool!!!");
return reply;
}
//----
redisContext* redis = m_ConnPool->borrowItem();
if (!redis)
{
LOG(ERROR, "contetx is null!");
Reply reply;
reply.SetErrorMessage("context is NULL !!");
return reply;
}
redisReply *reply;
int ts = tt/1000;
int tm = tt%1000;
struct timeval tv = {ts, tm*1000};
if (redisSetTimeout(redis,tv) != REDIS_OK) {
redisFree(redis);
redis = NULL;
redis = m_ConnPool->create();
if (redis == NULL)
{
LOG(ERROR, "reconnect faild!");
Reply reply;
reply.SetErrorMessage("reconnect faild!");
return reply;
}
redisSetTimeout(redis,tv);
};
reply = (redisReply*)redisCommandArgv(redis, argv.size(), &argv[0], &arglen[0]);
// 服务端会主动关闭掉不活跃的连接，这里处理重练并重新发送命令
if (!reply)
{
redisFree(redis);
redis = NULL;
redis = m_ConnPool->create();
if (redis == NULL)
{
LOG(ERROR, "reconnect faild!");
Reply reply;
reply.SetErrorMessage("reconnect faild!");
return reply;
}
redisSetTimeout(redis,tv);
reply = (redisReply*)redisCommandArgv(redis, argv.size(), &argv[0], &arglen[0]);
}
//// 重连后依然失败则返回
m_ConnPool->returnItem(redis);
if (!reply)
{
Reply reply;
reply.SetErrorMessage("Do Command faild.");
return reply;
}
// 如果命令发送成功则将连接放回到连接池
//if (m_ConnPool != NULL) {
//}
//else {
// cout << "m_ConnPool is NULL" << endl;
// }
Reply ret = Reply(reply);
freeReplyObject(reply);
return ret;
}
bool RedisDB::DoCommand(redisContext* (&redis), vector<string>& command, Reply& reply)
{
vector<const char*> argv;
vector<size_t> arglen;
for (size_t i = 0; i < command.size(); ++i)
{
argv.push_back(command[i].c_str());
arglen.push_back(command[i].size());
}
redisReply *rep = NULL;
string selectCommand = string("select ") + m_RedisDBNo;
int ret = redisAppendCommand(redis, selectCommand.c_str());
if (ret != REDIS_OK)
{
if (redis != NULL)
{
redisFree(redis);
redis = NULL;
}
redis = m_ConnPool->create();
if (redis == NULL)
{
LOG(ERROR, "reconnect faild!");
reply.SetErrorMessage("reconnect faild!");
return false;
}
ret = redisAppendCommand(redis, selectCommand.c_str());
}
if (ret != REDIS_OK)
{
if (redis != NULL)
{
redisFree(redis);
redis = NULL;
}
reply.SetErrorMessage("Do Select Command faild.");
LOG(ERROR, "Do Select Command faild.");
return false;
}
ret = redisAppendCommandArgv(redis, argv.size(), &argv[0], &arglen[0]);
if (ret != REDIS_OK)
{
if (redis != NULL)
{
redisFree(redis);
redis = NULL;
}
reply.SetErrorMessage("Do Command faild.");
LOG(ERROR, "Do Command faild.");
return false;
}
if (REDIS_OK != redisGetReply(redis, (void**) &rep))
{
if (redis != NULL)
{
redisFree(redis);
redis = NULL;
}
reply.SetErrorMessage("Do Select Command faild.");
LOG(ERROR, "Do Select Command faild.");
return false;
}
if (string(rep->str) != string("OK"))
{
if (redis != NULL)
{
redisFree(redis);
redis = NULL;
}
reply.SetErrorMessage(
"Do Select Command faild, please check redis config parameter databases, it must >= 1024!");
LOG(ERROR, "Do Select Command faild, please check redis config parameter databases, it must >= 1024!");
return false;
}
if (REDIS_OK != redisGetReply(redis, (void**) &rep))
{
if (redis != NULL)
{
redisFree(redis);
redis = NULL;
}
reply.SetErrorMessage("Do Command faild.");
LOG(ERROR, "Do Command faild.");
return false;
}
reply = Reply(rep);
if (rep != NULL)
{
freeReplyObject(rep);
rep = NULL;
}
return true;
}
vector<string> RedisDB::keys(string prefix)
{
vector<string> keys;
if (!m_ConnPool)
{
fprintf(stderr, "client pool is null!!!");
Reply reply;
reply.SetErrorMessage("Can not fetch client from pool!!!");
LOG(ERROR, "client pool is null!!!");
return keys;
}
vector<string> command;
command.push_back("KEYS");
if (prefix != "")
{
command.push_back(prefix + "*");
}
else
{
command.push_back("*");
}
vector<const char*> argv;
vector<size_t> arglen;
for (size_t i = 0; i < command.size(); ++i)
{
argv.push_back(command[i].c_str());
arglen.push_back(command[i].size());
}
redisContext* redis = m_ConnPool->borrowItem();
#ifdef DEBUG
fprintf(stdout, "real key: %s, host:%s \n", inner_key.c_str(), p->getId().c_str());
#endif
if (!redis)
{
fprintf(stderr, "contetx is NULL!!");
Reply reply;
reply.SetErrorMessage("context is NULL !!");
LOG(ERROR, "contetx is null!!!");
return keys;
}
redisReply *reply = NULL;
string selectCommand = string("select ") + m_RedisDBNo;
int ret = redisAppendCommand(redis, selectCommand.c_str());
if (ret != REDIS_OK)
{
if (redis != NULL)
{
redisFree(redis);
redis = NULL;
}
redis = m_ConnPool->create();
if (redis == NULL)
{
LOG(ERROR, "reconnect faild!");
Reply reply;
reply.SetErrorMessage("reconnect faild!");
LOG(ERROR, "reconnect faild!");
return keys;
}
ret = redisAppendCommand(redis, selectCommand.c_str());
}
if (ret != REDIS_OK)
{
if (redis != NULL)
{
redisFree(redis);
redis = NULL;
}
Reply reply;
reply.SetErrorMessage("Do Select Command faild.");
LOG(ERROR, "Do Select Command faild.");
return keys;
}
ret = redisAppendCommandArgv(redis, argv.size(), &argv[0], &arglen[0]);
if (ret != REDIS_OK)
{
if (redis != NULL)
{
redisFree(redis);
redis = NULL;
}
Reply reply;
reply.SetErrorMessage("Do Command faild.");
LOG(ERROR, "Do Command faild.");
return keys;
}
if (REDIS_OK != redisGetReply(redis, (void**) &reply))
{
if (redis != NULL)
{
redisFree(redis);
redis = NULL;
}
Reply reply;
reply.SetErrorMessage("Do Select Command faild.");
LOG(ERROR, "Do Select Command faild.");
return keys;
}
if (string(reply->str) != string("OK"))
{
if (redis != NULL)
{
redisFree(redis);
redis = NULL;
}
Reply reply;
reply.SetErrorMessage(
"Do Select Command faild, please check redis config parameter databases, it must >= 1024!");
LOG(ERROR, "Do Select Command faild, please check redis config parameter databases, it must >= 1024!");
return keys;
}
if (REDIS_OK != redisGetReply(redis, (void**) &reply))
{
if (redis != NULL)
{
redisFree(redis);
redis = NULL;
}
Reply reply;
reply.SetErrorMessage("Do Command faild.");
LOG(ERROR, "Do Command faild.");
return keys;
}
m_ConnPool->returnItem(redis);
Reply retrep = Reply(reply);
freeReplyObject(reply);
for (size_t i=0; i<retrep.elements().size(); i++)
{
keys.push_back(retrep.elements()[i].str());
}
return keys;
}
Reply RedisDB::RedisCommand(vector<string> command)
{
if (command.size() < 2)
{
Reply reply;
reply.SetErrorMessage("Command length should gt 2");
return reply;
}
if (!m_ConnPool)
{
fprintf(stderr, "client pool is null!!!");
Reply reply;
reply.SetErrorMessage("Can not fetch client from pool!!!");
return reply;
}
//----
redisContext* redis = m_ConnPool->borrowItem();
if (!redis)
{
fprintf(stderr, "contetx is NULL!!");
Reply reply;
reply.SetErrorMessage("context is NULL !!");
return reply;
}
Reply reply;
bool ret = DoCommand(redis, command, reply);
if (!ret)
{
if (redis != NULL)
{
redisFree(redis);
redis = NULL;
}
redis = m_ConnPool->create();
if (redis == NULL)
{
LOG(ERROR, "reconnect faild!");
Reply reply;
reply.SetErrorMessage("reconnect faild!");
return reply;
}
ret = DoCommand(redis, command, reply);
}
if (ret)
{
m_ConnPool->returnItem(redis);
}
else
{
if (redis != NULL)
{
redisFree(redis);
redis = NULL;
}
}
return reply;
//----
// vector<const char*> argv;
// vector<size_t> arglen;
// for (size_t i = 0; i < command.size(); ++i)
// {
// argv.push_back(command[i].c_str());
// arglen.push_back(command[i].size());
// }
//
// redisContext* redis = m_ConnPool->borrowItem();
//
//
// if (!redis)
// {
// fprintf(stderr, "contetx is NULL!!");
// Reply reply;
// reply.SetErrorMessage("context is NULL !!");
// return reply;
// }
// redisReply *reply = NULL;
//
// string selectCommand = string("select ") + m_RedisDBNo;
//
// int ret = redisAppendCommand(redis, selectCommand.c_str());
// if (ret != REDIS_OK)
// {
// redisFree(redis);
// redis = NULL;
// redis = m_ConnPool->create();
// if (redis == NULL)
// {
// LOG(ERROR, "reconnect faild!");
// Reply reply;
// reply.SetErrorMessage("reconnect faild!");
// return reply;
// }
// ret = redisAppendCommand(redis, selectCommand.c_str());
// }
//
// if (ret != REDIS_OK)
// {
// redisFree(redis);
// Reply reply;
// reply.SetErrorMessage("Do Select Command faild.");
// LOG(ERROR, "Do Select Command faild.");
// return reply;
// }
//
// ret = redisAppendCommandArgv(redis, argv.size(), &argv[0], &arglen[0]);
//
// if (ret != REDIS_OK)
// {
// redisFree(redis);
// Reply reply;
// reply.SetErrorMessage("Do Command faild.");
// LOG(ERROR, "Do Command faild.");
// return reply;
// }
//
// if (REDIS_OK != redisGetReply(redis, (void**) &reply))
// {
// redisFree(redis);
// Reply reply;
// reply.SetErrorMessage("Do Select Command faild.");
// LOG(ERROR, "Do Select Command faild.");
// return reply;
// }
//
// if (string(reply->str) != string("OK"))
// {
// redisFree(redis);
// Reply reply;
// reply.SetErrorMessage(
// "Do Select Command faild, please check redis config parameter databases, it must >= 1024!");
// LOG(ERROR, "Do Select Command faild, please check redis config parameter databases, it must >= 1024!");
// exit(1);
// }
//
// if (REDIS_OK != redisGetReply(redis, (void**) &reply))
// {
// redisFree(redis);
// Reply reply;
// reply.SetErrorMessage("Do Command faild.");
// LOG(ERROR, "Do Command faild.");
// return reply;
// }
//
// m_ConnPool->returnItem(redis);
// Reply retrep = Reply(reply);
// freeReplyObject(reply);
// return retrep;
}