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REORG: stats: extract proxy json dump

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Create a dedicated function to dump a proxy as a json content. This
patch will be needed when other types of objects will be available for
json dump.

This patch is needed to extend stat support to components other than
proxies objects.
This commit is contained in:
Amaury Denoyelle 2020-10-02 18:32:03 +02:00 committed by Christopher Faulet
parent da5b6d1cd9
commit f34017bb74
1 changed files with 35 additions and 19 deletions
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54
src/stats.c
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@ -609,6 +609,34 @@ err:
return 0;
}
static void stats_print_proxy_field_json(struct buffer *out,
const struct field *stat,
const char *name,
int pos,
uint32_t field_type,
uint32_t iid,
uint32_t sid,
uint32_t pid)
{
const char *obj_type;
switch (field_type) {
case STATS_TYPE_FE: obj_type = "Frontend"; break;
case STATS_TYPE_BE: obj_type = "Backend"; break;
case STATS_TYPE_SO: obj_type = "Listener"; break;
case STATS_TYPE_SV: obj_type = "Server"; break;
default: obj_type = "Unknown"; break;
}
chunk_appendf(out,
"{"
"\"objType\":\"%s\","
"\"proxyId\":%u,"
"\"id\":%u,"
"\"field\":{\"pos\":%d,\"name\":\"%s\"},"
"\"processNum\":%u,",
obj_type, iid, sid, pos, name, pid);
}
/* Dump all fields from <stats> into <out> using a typed "field:desc:type:value" format */
static int stats_dump_fields_json(struct buffer *out,
const struct field *stats, size_t stats_count,
@ -623,7 +651,6 @@ static int stats_dump_fields_json(struct buffer *out,
return 0;
for (field = 0; field < stats_count; field++) {
const char *obj_type;
int old_len;
if (!stats[field].type)
@ -633,25 +660,14 @@ static int stats_dump_fields_json(struct buffer *out,
goto err;
started = 1;
switch (stats[ST_F_TYPE].u.u32) {
case STATS_TYPE_FE: obj_type = "Frontend"; break;
case STATS_TYPE_BE: obj_type = "Backend"; break;
case STATS_TYPE_SO: obj_type = "Listener"; break;
case STATS_TYPE_SV: obj_type = "Server"; break;
default: obj_type = "Unknown"; break;
}
old_len = out->data;
chunk_appendf(out,
"{"
"\"objType\":\"%s\","
"\"proxyId\":%d,"
"\"id\":%d,"
"\"field\":{\"pos\":%d,\"name\":\"%s\"},"
"\"processNum\":%u,",
obj_type, stats[ST_F_IID].u.u32,
stats[ST_F_SID].u.u32, field,
stat_fields[field].name, stats[ST_F_PID].u.u32);
stats_print_proxy_field_json(out, &stats[field],
stat_fields[field].name, field,
stats[ST_F_TYPE].u.u32,
stats[ST_F_IID].u.u32,
stats[ST_F_SID].u.u32,
stats[ST_F_PID].u.u32);
if (old_len == out->data)
goto err;