Move to i_s / p_s and add user info (not quite complete)

[pstop.git] / p_s / file_summary_by_instance / cache.go

diff --git a/p_s/file_summary_by_instance/cache.go b/p_s/file_summary_by_instance/cache.go
new file mode 100644 (file)
index 0000000..6b2b147
--- /dev/null
+++ b/p_s/file_summary_by_instance/cache.go
@@ -0,0 +1,36 @@
+package file_summary_by_instance
+
+import (
+       "errors"
+
+       //      "github.com/sjmudd/pstop/lib"
+)
+
+// provide a mapping from filename to table.schema etc
+
+var (
+       mapped_name    map[string]string
+       total, matched int
+)
+
+func init() {
+       // setup on startup
+       mapped_name = make(map[string]string)
+}
+
+func get_from_cache(key string) (result string, err error) {
+       total++
+       if result, ok := mapped_name[key]; ok {
+               matched++
+               //              lib.Logger.Println("matched/total:", matched, total)
+               return result, nil
+       } else {
+               //              lib.Logger.Println("matched/total:", matched, total)
+               return "", errors.New("Not found")
+       }
+}
+
+func save_to_cache(key, value string) string {
+       mapped_name[key] = value
+       return value
+}