debuginfod: fix http_requests_total{type="debuginfo"} when dwz is used

Message ID c615f98a-9ea8-3b65-b6a4-0e16773c229b@suse.cz
State Committed
Headers
Series debuginfod: fix http_requests_total{type="debuginfo"} when dwz is used |

Commit Message

Martin Liška Aug. 17, 2022, 7:41 a.m. UTC
  When dwarf_extract_source_paths is called, it can call handle_buildid
when a rpm file used dwz. Ignore such internal request in
http_requests_total statistics.

Signed-off-by: Martin Liska <mliska@suse.cz>
---
 debuginfod/debuginfod.cxx | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
  

Comments

Frank Ch. Eigler Aug. 17, 2022, 11:48 a.m. UTC | #1
Hi -

> When dwarf_extract_source_paths is called, it can call handle_buildid
> when a rpm file used dwz. Ignore such internal request in
> http_requests_total statistics.

Noble goal:

> @@ -1906,7 +1906,7 @@ handle_buildid (MHD_Connection* conn,
>                  const string& buildid /* unsafe */,
>                  string& artifacttype /* unsafe, cleanse on exception/return */,
>                  const string& suffix /* unsafe */,
> -                int *result_fd)
> +                int *result_fd, bool update_metrics = true)

.... but no need for an extra parameter.  When conn==0, we have
an internal request, so can use that as a flag.


- FChE
  

Patch

diff --git a/debuginfod/debuginfod.cxx b/debuginfod/debuginfod.cxx
index 9245be53..89767d97 100644
--- a/debuginfod/debuginfod.cxx
+++ b/debuginfod/debuginfod.cxx
@@ -1906,7 +1906,7 @@  handle_buildid (MHD_Connection* conn,
                 const string& buildid /* unsafe */,
                 string& artifacttype /* unsafe, cleanse on exception/return */,
                 const string& suffix /* unsafe */,
-                int *result_fd)
+                int *result_fd, bool update_metrics = true)
 {
   // validate artifacttype
   string atype_code;
@@ -1918,7 +1918,8 @@  handle_buildid (MHD_Connection* conn,
     throw reportable_exception("invalid artifacttype");
   }
 
-  inc_metric("http_requests_total", "type", artifacttype);
+  if (update_metrics)
+    inc_metric("http_requests_total", "type", artifacttype);
   
   if (atype_code == "S" && suffix == "")
      throw reportable_exception("invalid source suffix");
@@ -2080,7 +2081,8 @@  and will not query the upstream servers");
 
   if (fd >= 0)
     {
-      inc_metric ("http_responses_total","result","upstream");
+      if (update_metrics)
+	inc_metric ("http_responses_total","result","upstream");
       struct stat s;
       int rc = fstat (fd, &s);
       if (rc == 0)
@@ -2488,7 +2490,7 @@  dwarf_extract_source_paths (Elf *elf, set<string>& debug_sourcefiles)
           try
             {
               string artifacttype = "debuginfo";
-              r = handle_buildid (0, buildid, artifacttype, "", &alt_fd);
+              r = handle_buildid (0, buildid, artifacttype, "", &alt_fd, false);
             }
           catch (const reportable_exception& e)
             {