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588c4b0d JG |
1 | /* |
2 | * Copyright (C) 2021 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
3 | * | |
4 | * SPDX-License-Identifier: GPL-2.0-only | |
5 | * | |
6 | */ | |
7 | ||
8 | #include "event-notifier-error-accounting.h" | |
9 | #include <lttng/error-query-internal.h> | |
10 | #include <lttng/trigger/trigger-internal.h> | |
11 | #include <lttng/action/action-internal.h> | |
12 | ||
13 | LTTNG_HIDDEN | |
14 | enum lttng_trigger_status lttng_trigger_add_error_results( | |
15 | const struct lttng_trigger *trigger, | |
16 | struct lttng_error_query_results *results) | |
17 | { | |
18 | enum lttng_trigger_status status; | |
19 | uint64_t discarded_tracer_messages_count; | |
20 | enum event_notifier_error_accounting_status error_accounting_status; | |
21 | struct lttng_error_query_result *discarded_tracer_messages_counter = NULL; | |
22 | const char *trigger_name; | |
23 | uid_t trigger_owner; | |
24 | ||
25 | status = lttng_trigger_get_name(trigger, &trigger_name); | |
26 | trigger_name = status == LTTNG_TRIGGER_STATUS_OK ? | |
0efb2ad7 | 27 | trigger_name : "(anonymous)"; |
588c4b0d JG |
28 | status = lttng_trigger_get_owner_uid(trigger, |
29 | &trigger_owner); | |
30 | assert(status == LTTNG_TRIGGER_STATUS_OK); | |
31 | ||
43cee6f9 JR |
32 | /* Only add discarded tracer messages count for applicable triggers. */ |
33 | if (!lttng_trigger_needs_tracer_notifier(trigger)) { | |
34 | status = LTTNG_TRIGGER_STATUS_OK; | |
35 | goto end; | |
36 | } | |
37 | ||
588c4b0d JG |
38 | error_accounting_status = event_notifier_error_accounting_get_count( |
39 | trigger, &discarded_tracer_messages_count); | |
40 | if (error_accounting_status != EVENT_NOTIFIER_ERROR_ACCOUNTING_STATUS_OK) { | |
41 | ERR("Failed to retrieve tracer discarded messages count for triger: triggger name = '%s', trigger owner uid = %d", | |
42 | trigger_name, (int) trigger_owner); | |
43 | status = LTTNG_TRIGGER_STATUS_ERROR; | |
44 | goto end; | |
45 | } | |
46 | ||
47 | discarded_tracer_messages_counter = lttng_error_query_result_counter_create( | |
48 | "discarded tracer messages", | |
49 | "Count of messages discarded by the tracer due to a communication error with the session daemon", | |
50 | discarded_tracer_messages_count); | |
51 | if (!discarded_tracer_messages_counter) { | |
52 | status = LTTNG_TRIGGER_STATUS_ERROR; | |
53 | goto end; | |
54 | } | |
55 | ||
56 | if (lttng_error_query_results_add_result( | |
57 | results, discarded_tracer_messages_counter)) { | |
58 | status = LTTNG_TRIGGER_STATUS_ERROR; | |
59 | goto end; | |
60 | } | |
61 | ||
62 | /* Ownership transferred to the results. */ | |
63 | discarded_tracer_messages_counter = NULL; | |
64 | ||
65 | status = LTTNG_TRIGGER_STATUS_OK; | |
66 | end: | |
67 | lttng_error_query_result_destroy(discarded_tracer_messages_counter); | |
68 | return status; | |
69 | } | |
70 | ||
71 | LTTNG_HIDDEN | |
72 | enum lttng_trigger_status lttng_trigger_add_action_error_query_results( | |
73 | struct lttng_trigger *trigger, | |
74 | struct lttng_error_query_results *results) | |
75 | { | |
76 | enum lttng_trigger_status status; | |
77 | const char *trigger_name; | |
78 | uid_t trigger_owner; | |
79 | enum lttng_action_status action_status; | |
80 | ||
81 | status = lttng_trigger_get_name(trigger, &trigger_name); | |
82 | trigger_name = status == LTTNG_TRIGGER_STATUS_OK ? | |
0efb2ad7 | 83 | trigger_name : "(anonymous)"; |
588c4b0d JG |
84 | status = lttng_trigger_get_owner_uid(trigger, |
85 | &trigger_owner); | |
86 | assert(status == LTTNG_TRIGGER_STATUS_OK); | |
87 | ||
88 | action_status = lttng_action_add_error_query_results( | |
89 | lttng_trigger_get_action(trigger), results); | |
90 | switch (action_status) { | |
91 | case LTTNG_ACTION_STATUS_OK: | |
a644d2a4 | 92 | break; |
588c4b0d JG |
93 | default: |
94 | status = LTTNG_TRIGGER_STATUS_ERROR; | |
95 | goto end; | |
96 | } | |
97 | ||
98 | status = LTTNG_TRIGGER_STATUS_OK; | |
99 | end: | |
100 | return status; | |
101 | } |