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MINOR: trace/cli: parse the "level" argument to configure the trace verbosity

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The "level" keyword allows to indicate the expected level of verbosity
in the traces, among "user" (least verbose, just synthetic info) to
"developer" (very detailed, including function entry/leaving). It's only
displayed and set but not used yet.
This commit is contained in:
Willy Tarreau 2019-08-12 17:57:57 +02:00
parent 864e880f6c
commit aaaf411406
1 changed files with 33 additions and 1 deletions
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34
src/trace.c
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@ -106,7 +106,7 @@ static int cli_parse_trace(char **args, char *payload, struct appctx *appctx, vo
"Supported commands:\n" "Supported commands:\n"
" event : list/enable/disable source-specific event reporting\n" " event : list/enable/disable source-specific event reporting\n"
//" filter : list/enable/disable generic filters\n" //" filter : list/enable/disable generic filters\n"
//" level : list/set detail level\n" " level : list/set detail level\n"
//" lock : automatic lock on thread/connection/stream/...\n" //" lock : automatic lock on thread/connection/stream/...\n"
" pause : pause and automatically restart after a specific event\n" " pause : pause and automatically restart after a specific event\n"
" sink : list/set event sinks\n" " sink : list/set event sinks\n"
@ -201,6 +201,38 @@ static int cli_parse_trace(char **args, char *payload, struct appctx *appctx, vo
HA_ATOMIC_STORE(&src->sink, sink); HA_ATOMIC_STORE(&src->sink, sink);
} }
else if (strcmp(args[2], "level") == 0) {
const char *name = args[3];
if (!*name) {
chunk_printf(&trash, "Supported detail levels for source %s:\n", src->name.ptr);
chunk_appendf(&trash, " %c user : information useful to the end user\n",
src->level == TRACE_LEVEL_USER ? '*' : ' ');
chunk_appendf(&trash, " %c payload : add information relevant to the payload\n",
src->level == TRACE_LEVEL_PAYLOAD ? '*' : ' ');
chunk_appendf(&trash, " %c proto : add information relevant to the protocol\n",
src->level == TRACE_LEVEL_PROTO ? '*' : ' ');
chunk_appendf(&trash, " %c state : add information relevant to the state machine\n",
src->level == TRACE_LEVEL_STATE ? '*' : ' ');
chunk_appendf(&trash, " %c developer : add information useful only to the developer\n",
src->level == TRACE_LEVEL_DEVELOPER ? '*' : ' ');
trash.area[trash.data] = 0;
return cli_msg(appctx, LOG_WARNING, trash.area);
}
if (strcmp(name, "user") == 0)
HA_ATOMIC_STORE(&src->level, TRACE_LEVEL_USER);
else if (strcmp(name, "payload") == 0)
HA_ATOMIC_STORE(&src->level, TRACE_LEVEL_PAYLOAD);
else if (strcmp(name, "proto") == 0)
HA_ATOMIC_STORE(&src->level, TRACE_LEVEL_PROTO);
else if (strcmp(name, "state") == 0)
HA_ATOMIC_STORE(&src->level, TRACE_LEVEL_STATE);
else if (strcmp(name, "developer") == 0)
HA_ATOMIC_STORE(&src->level, TRACE_LEVEL_DEVELOPER);
else
return cli_err(appctx, "No such trace level");
}
else else
return cli_err(appctx, "Unknown trace keyword"); return cli_err(appctx, "Unknown trace keyword");