//===================================encoder==============================
bool RedisCommandEncoder::Encode(Buffer& buf, const RedisCommandFrame& cmd)
{
buf.Printf("*%d\r\n", cmd.GetArguments().size() + 1);
buf.Printf("$%d\r\n", cmd.GetCommand().size());
buf.Write(cmd.GetCommand().data(), cmd.GetCommand().size());
buf.Write("\r\n", 2);
for (uint32 i = 0; i < cmd.GetArguments().size(); i++)
{
const std::string* arg = cmd.GetArgument(i);
buf.Printf("$%d\r\n", arg->size());
buf.Write(arg->data(), arg->size());
buf.Write("\r\n", 2);
}
return true;
}
int RedisCommandManager::HandlerCommandFrame(RedisCommandFrame& frame,
uint32 connectionID)
{
Buffer* name = frame.GetArgument(0);
if (NULL == name)
{
snprintf(m_szErrMsg, MAX_REDIS_ERR_MSG_LEN, "NULL command name.");
return -1;
}
std::string namestr = name->AsString();
namestr = string_tolower(namestr);
RedisCommandConfigTable::iterator cfgfound = m_cfg_table.find(namestr);
if (cfgfound == m_cfg_table.end())
{
snprintf(m_szErrMsg, MAX_REDIS_ERR_MSG_LEN, "not supported command:%s",
namestr.c_str());
return -1;
}
RedisCommandConfig cfg = cfgfound->second;
if (cfg.arity > 0 && cfg.arity != frame.GetArguments().size())
{
snprintf(m_szErrMsg, MAX_REDIS_ERR_MSG_LEN,
"wrong number of arguments for '%s' command", namestr.c_str());
return -1;
}
RedisCommandHandlerArray::iterator it = m_handler_array.begin();
while (it != m_handler_array.end())
{
RedisCommandHandler* handler = *it;
if (NULL != handler)
{
handler->OnRedisCommand(cfg.type, connectionID, frame);
}
it++;
}
return 0;
}