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add 1mb value limit to cache

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This commit is contained in:
Asim Aslam
2021-05-23 14:16:46 +01:00
parent 20777f7528
commit b7980a1ed6
2 changed files with 11 additions and 4 deletions
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2
cache/README.md vendored
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@@ -3,3 +3,5 @@ Simple key-value storage
# Cache Service
The cache service provides simple get/set/delete key-value storage along with ttl support.
The max value size is 1mb

13
cache/handler/cache.go vendored
View File

@@ -31,7 +31,12 @@ func (c *Cache) Get(ctx context.Context, req *pb.GetRequest, rsp *pb.GetResponse
func (c *Cache) Set(ctx context.Context, req *pb.SetRequest, rsp *pb.SetResponse) error {
if len(req.Key) == 0 {
return errors.BadRequest("cache.get", "missing key")
return errors.BadRequest("cache.set", "missing key")
}
// max size 1mb e.g byte * 1024 * 1024
if len(req.Value) > 1e6 {
return errors.BadRequest("cache.set", "value is too big")
}
ttl := time.Time{}
@@ -51,7 +56,7 @@ func (c *Cache) Set(ctx context.Context, req *pb.SetRequest, rsp *pb.SetResponse
func (c *Cache) Delete(ctx context.Context, req *pb.DeleteRequest, rsp *pb.DeleteResponse) error {
if len(req.Key) == 0 {
return errors.BadRequest("cache.get", "missing key")
return errors.BadRequest("cache.delete", "missing key")
}
if err := cache.Context(ctx).Delete(req.Key); err != nil {
return errors.InternalServerError("cache.delete", err.Error())
@@ -64,7 +69,7 @@ func (c *Cache) Delete(ctx context.Context, req *pb.DeleteRequest, rsp *pb.Delet
func (c *Cache) Increment(ctx context.Context, req *pb.IncrementRequest, rsp *pb.IncrementResponse) error {
if len(req.Key) == 0 {
return errors.BadRequest("cache.get", "missing key")
return errors.BadRequest("cache.increment", "missing key")
}
// increment the value
@@ -82,7 +87,7 @@ func (c *Cache) Increment(ctx context.Context, req *pb.IncrementRequest, rsp *pb
func (c *Cache) Decrement(ctx context.Context, req *pb.DecrementRequest, rsp *pb.DecrementResponse) error {
if len(req.Key) == 0 {
return errors.BadRequest("cache.get", "missing key")
return errors.BadRequest("cache.decrement", "missing key")
}
v, err := cache.Context(ctx).Decrement(req.Key, req.Value)