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Multi-recipient message views

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This adds support for storing multi-recipient message payloads and recipient views in Redis, and only fanning out on delivery or persistence. Phase 1: confirm storage and retrieval correctness.
This commit is contained in:
Chris Eager
2024-09-04 13:58:20 -05:00
committed by GitHub
parent d78c8370b6
commit 11601fd091
50 changed files with 1544 additions and 328 deletions
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20
service/src/main/resources/lua/insert_item.lua
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@@ -1,9 +1,12 @@
local queueKey = KEYS[1]
local queueMetadataKey = KEYS[2]
local queueTotalIndexKey = KEYS[3]
local message = ARGV[1]
local currentTime = ARGV[2]
local guid = ARGV[3]
-- inserts a message into a device's queue, and updates relevant associated data
-- returns a number, the queue-local message ID (useful for testing)
local queueKey = KEYS[1] -- sorted set of Envelopes for a device, by queue-local ID
local queueMetadataKey = KEYS[2] -- hash of message GUID to queue-local IDs
local queueTotalIndexKey = KEYS[3] -- sorted set of all queues in the shard, by timestamp of oldest message
local message = ARGV[1] -- [bytes] the Envelope to insert
local currentTime = ARGV[2] -- [number] the message timestamp, to sort the queue in the queueTotalIndex
local guid = ARGV[3] -- [string] the message GUID
if redis.call("HEXISTS", queueMetadataKey, guid) == 1 then
return tonumber(redis.call("HGET", queueMetadataKey, guid))
@@ -14,9 +17,8 @@ local messageId = redis.call("HINCRBY", queueMetadataKey, "counter", 1)
redis.call("ZADD", queueKey, "NX", messageId, message)
redis.call("HSET", queueMetadataKey, guid, messageId)
redis.call("EXPIRE", queueKey, 7776000) -- 90 days
redis.call("EXPIRE", queueMetadataKey, 7776000) -- 90 days
redis.call("EXPIRE", queueKey, 2678400) -- 31 days
redis.call("EXPIRE", queueMetadataKey, 2678400) -- 31 days
redis.call("ZADD", queueTotalIndexKey, "NX", currentTime, queueKey)
return messageId