int Ardb::BRPop(Context& ctx, RedisCommandFrame& cmd)
{
uint32 timeout;
if (!string_touint32(cmd.GetArguments()[cmd.GetArguments().size() - 1], timeout))
{
fill_error_reply(ctx.reply, "timeout is not an integer or out of range");
return 0;
}
for (uint32 i = 0; i < cmd.GetArguments().size() - 1; i++)
{
if (ListPop(ctx, cmd.GetArguments()[i], false) == 0 && ctx.reply.type == REDIS_REPLY_STRING)
{
RedisReply& r1 = ctx.reply.AddMember();
RedisReply& r2 = ctx.reply.AddMember();
fill_str_reply(r1, cmd.GetArguments()[i]);
fill_str_reply(r2, ctx.reply.str);
return 0;
}
}
for (uint32 i = 0; i < cmd.GetArguments().size() - 1; i++)
{
AddBlockKey(ctx, cmd.GetArguments()[i]);
}
if (NULL != ctx.client)
{
ctx.client->DetachFD();
if (timeout > 0)
{
ctx.block->blocking_timer_task_id = ctx.client->GetService().GetTimer().ScheduleHeapTask(
new BlockConnectionTimeout(&ctx), timeout, -1, SECONDS);
}
}
return 0;
}
int Ardb::BRPopLPush(Context& ctx, RedisCommandFrame& cmd)
{
uint32 timeout;
if (!string_touint32(cmd.GetArguments()[cmd.GetArguments().size() - 1], timeout))
{
fill_error_reply(ctx.reply, "timeout is not an integer or out of range");
return 0;
}
RPopLPush(ctx, cmd);
if (ctx.reply.type == REDIS_REPLY_NIL)
{
//block;
AddBlockKey(ctx, cmd.GetArguments()[0]);
if (NULL != ctx.client)
{
ctx.client->DetachFD();
if (timeout > 0)
{
ctx.block->blocking_timer_task_id = ctx.client->GetService().GetTimer().ScheduleHeapTask(
new BlockConnectionTimeout(&ctx), timeout, -1, SECONDS);
}
}
ctx.reply.type = 0;
}
return 0;
}
int Comms::BLPop(Context& ctx, RedisCommandFrame& cmd)
{
uint32 timeout;
if (!string_touint32(cmd.GetArguments()[cmd.GetArguments().size() - 1], timeout))
{
fill_error_reply(ctx.reply, "timeout is not an integer or out of range");
return 0;
}
bool lpop = cmd.GetType() == REDIS_CMD_BLPOP;
for (uint32 i = 0; i < cmd.GetArguments().size() - 1; i++)
{
std::string v;
int err =
lpop ? m_kv_store->LPop(ctx.currentDB, cmd.GetArguments()[i], v) : m_kv_store->RPop(ctx.currentDB,
cmd.GetArguments()[i], v);
if (0 == err && !v.empty())
{
RedisReply& r1 = ctx.reply.AddMember();
RedisReply& r2 = ctx.reply.AddMember();
fill_str_reply(r1, cmd.GetArguments()[i]);
fill_str_reply(r2, v);
FireKeyChangedEvent(ctx, ctx.currentDB, cmd.GetArguments()[i]);
RedisCommandFrame list_pop(lpop ? "lpop" : "rpop");
list_pop.AddArg(cmd.GetArguments()[i]);
RewriteClientCommand(ctx, list_pop);
return 0;
}
if (err != 0 && err != mmkv::ERR_ENTRY_NOT_EXIST && err != mmkv::ERR_DB_NOT_EXIST)
{
FillErrorReply(ctx, err);
return 0;
}
}
if (NULL != ctx.client)
{
ctx.client->DetachFD();
ctx.GetBlockContext().lpop = cmd.GetType() == REDIS_CMD_BLPOP;
if (timeout > 0)
{
ctx.block->blocking_timer_task_id = ctx.client->GetService().GetTimer().ScheduleHeapTask(
new BlockListTimeout(&ctx), timeout, -1, SECONDS);
}
}
for (uint32 i = 0; i < cmd.GetArguments().size() - 1; i++)
{
AddBlockKey(ctx, cmd.GetArguments()[i]);
}
return 0;
}
