MINOR: stats: create stats fields storage and CSV dump function

The new function stats_dump_fields_csv() currenty walks over all CSV
fields and prints all non-empty ones as one line. Strings are csv-encoded
on the fly.

diff --git a/src/dumpstats.c b/src/dumpstats.c
index 623d7ac5e3df47a9c35d74129023a8add4434fc5..3e82ceb600a32093046ef092b10af24958a996aa 100644 (file)
--- a/src/dumpstats.c
+++ b/src/dumpstats.c
@@ -396,6 +396,9 @@ const char *stat_field_names[ST_F_TOTAL_FIELDS] = {
        [ST_F_TTIME]          = "ttime",
 };
 
+/* one line of stats */
+static struct field stats[ST_F_TOTAL_FIELDS];
+
 static int stats_dump_backend_to_buffer(struct stream_interface *si);
 static int stats_dump_env_to_buffer(struct stream_interface *si);
 static int stats_dump_info_to_buffer(struct stream_interface *si);
@@ -3204,6 +3207,21 @@ static int stats_dump_pools_to_buffer(struct stream_interface *si)
        return 1;
 }
 
+/* Dump all fields from <stats> into <out> using CSV format */
+static int stats_dump_fields_csv(struct chunk *out, const struct field *stats)
+{
+       int field;
+
+       for (field = 0; field < ST_F_TOTAL_FIELDS; field++) {
+               if (!stats_emit_raw_data_field(out, &stats[field]))
+                       return 0;
+               if (!chunk_strcat(out, ","))
+                       return 0;
+       }
+       chunk_strcat(&trash, "\n");
+       return 1;
+}
+
 /* Dumps a frontend's line to the trash for the current proxy <px> and uses
  * the state from stream interface <si>. The caller is responsible for clearing
  * the trash if needed. Returns non-zero if it emits anything, zero otherwise.