/src/h2o/lib/handler/status/events.c

Source (jump to first uncovered line)
/*
 * Copyright (c) 2016 Fastly
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

#include "h2o.h"
#include <inttypes.h>

struct st_events_status_ctx_t {
    uint64_t emitted_status_errors[H2O_STATUS_ERROR_MAX];
    uint64_t h2_protocol_level_errors[H2O_HTTP2_ERROR_MAX];
    uint64_t h2_read_closed;
    uint64_t h2_write_closed;
    uint64_t h2_idle_timeout;
    uint64_t h2_streaming_requests;
    uint64_t h1_request_timeout;
    uint64_t h1_request_io_timeout;
    uint64_t ssl_errors;
    struct {
        uint64_t packet_forwarded;
        uint64_t forwarded_packet_received;
    } http3;
    struct {
        uint64_t idle_closed;
        uint64_t num_idle;
        uint64_t num_active;
        uint64_t num_shutdown;
    } connection_stats;
    h2o_quic_stats_t quic_stats;
    pthread_mutex_t mutex;
};

static void events_status_per_thread(void *priv, h2o_context_t *ctx)
{
    size_t i;
    struct st_events_status_ctx_t *esc = priv;

    pthread_mutex_lock(&esc->mutex);

    for (i = 0; i < H2O_STATUS_ERROR_MAX; i++) {
        esc->emitted_status_errors[i] += ctx->emitted_error_status[i];
    }
    esc->ssl_errors += ctx->ssl.errors;
    for (i = 0; i < H2O_HTTP2_ERROR_MAX; i++) {
        esc->h2_protocol_level_errors[i] += ctx->http2.events.protocol_level_errors[i];
    }
    esc->h2_read_closed += ctx->http2.events.read_closed;
    esc->h2_write_closed += ctx->http2.events.write_closed;
    esc->h2_idle_timeout += ctx->http2.events.idle_timeouts;
    esc->h2_streaming_requests += ctx->http2.events.streaming_requests;
    esc->h1_request_timeout += ctx->http1.events.request_timeouts;
    esc->h1_request_io_timeout += ctx->http1.events.request_io_timeouts;
    esc->http3.packet_forwarded += ctx->http3.events.packet_forwarded;
    esc->http3.forwarded_packet_received += ctx->http3.events.forwarded_packet_received;
    esc->connection_stats.idle_closed += ctx->connection_stats.idle_closed;
    esc->connection_stats.num_idle += ctx->_conns.num_conns.idle;
    esc->connection_stats.num_active += ctx->_conns.num_conns.active;
    esc->connection_stats.num_shutdown += ctx->_conns.num_conns.shutdown;
    esc->quic_stats.packet_received += ctx->quic_stats.packet_received;
    esc->quic_stats.packet_processed += ctx->quic_stats.packet_processed;
    if (esc->quic_stats.num_sentmap_packets_largest < ctx->quic_stats.num_sentmap_packets_largest)
        esc->quic_stats.num_sentmap_packets_largest = ctx->quic_stats.num_sentmap_packets_largest;
#define ACC(fld, _unused) esc->quic_stats.quicly.fld += ctx->quic_stats.quicly.fld;
    H2O_QUIC_AGGREGATED_STATS_APPLY(ACC);
#undef ACC

    pthread_mutex_unlock(&esc->mutex);
}

static void *events_status_init(void)
{
    struct st_events_status_ctx_t *ret;

    ret = h2o_mem_alloc(sizeof(*ret));
    memset(ret, 0, sizeof(*ret));
    pthread_mutex_init(&ret->mutex, NULL);

    return ret;
}

static h2o_iovec_t events_status_final(void *priv, h2o_globalconf_t *gconf, h2o_req_t *req)
{
    struct st_events_status_ctx_t *esc = priv;
    h2o_iovec_t ret;

#define H1_AGG_ERR(status_) esc->emitted_status_errors[H2O_STATUS_ERROR_##status_]
#define H2_AGG_ERR(err_) esc->h2_protocol_level_errors[-H2O_HTTP2_ERROR_##err_]
#define QUIC_FMT(_unused, label) " \"quic." label "\": %" PRIu64 ",\n"
#define QUIC_VAL(fld, _unused) , esc->quic_stats.quicly.fld
#define BUFSIZE (8 * 1024)
    ret.base = h2o_mem_alloc_pool(&req->pool, char, BUFSIZE);
    /* clang-format off */
    ret.len = snprintf(ret.base, BUFSIZE, ",\n"
                                          " \"status-errors.400\": %" PRIu64 ",\n"
                                          " \"status-errors.401\": %" PRIu64 ",\n"
                                          " \"status-errors.403\": %" PRIu64 ",\n"
                                          " \"status-errors.404\": %" PRIu64 ",\n"
                                          " \"status-errors.405\": %" PRIu64 ",\n"
                                          " \"status-errors.416\": %" PRIu64 ",\n"
                                          " \"status-errors.417\": %" PRIu64 ",\n"
                                          " \"status-errors.421\": %" PRIu64 ",\n"
                                          " \"status-errors.500\": %" PRIu64 ",\n"
                                          " \"status-errors.502\": %" PRIu64 ",\n"
                                          " \"status-errors.503\": %" PRIu64 ",\n"
                                          " \"http1-errors.request-timeout\": %" PRIu64 ",\n"
                                          " \"http1-errors.request-io-timeout\": %" PRIu64 ",\n"
                                          " \"http2-errors.protocol\": %" PRIu64 ",\n"
                                          " \"http2-errors.internal\": %" PRIu64 ",\n"
                                          " \"http2-errors.flow-control\": %" PRIu64 ",\n"
                                          " \"http2-errors.settings-timeout\": %" PRIu64 ",\n"
                                          " \"http2-errors.stream-closed\": %" PRIu64 ",\n"
                                          " \"http2-errors.frame-size\": %" PRIu64 ",\n"
                                          " \"http2-errors.refused-stream\": %" PRIu64 ",\n"
                                          " \"http2-errors.cancel\": %" PRIu64 ",\n"
                                          " \"http2-errors.compression\": %" PRIu64 ",\n"
                                          " \"http2-errors.connect\": %" PRIu64 ",\n"
                                          " \"http2-errors.enhance-your-calm\": %" PRIu64 ",\n"
                                          " \"http2-errors.inadequate-security\": %" PRIu64 ",\n"
                                          " \"http2.read-closed\": %" PRIu64 ",\n"
                                          " \"http2.write-closed\": %" PRIu64 ",\n"
                                          " \"http2.idle-timeout\": %" PRIu64 ",\n"
                                          " \"http2.streaming-requests\": %" PRIu64 ",\n"
                                          " \"http3.packet-forwarded\": %" PRIu64 ",\n"
                                          " \"http3.forwarded-packet-received\": %" PRIu64 ",\n"
                                          " \"connections.idle-closed\": %" PRIu64 ",\n"
                                          " \"connections.idle\": %" PRIu64 ",\n"
                                          " \"connections.active\": %" PRIu64 ",\n"
                                          " \"connections.shutdown\": %" PRIu64 ",\n"
                                          " \"quic.packet-received\": %" PRIu64 ",\n"
                                          " \"quic.packet-processed\": %" PRIu64 ",\n"
                                          " \"quic.num-sentmap-packets-largest\": %zu"
                                          ",\n" H2O_QUIC_AGGREGATED_STATS_APPLY(QUIC_FMT)
                                          " \"ssl.errors\": %" PRIu64 ",\n"
                                          " \"memory.mmap_errors\": %zu,\n"
                                          " \"h2olog.lost\": %zu\n",
                       H1_AGG_ERR(400), H1_AGG_ERR(401), H1_AGG_ERR(403), H1_AGG_ERR(404), H1_AGG_ERR(405), H1_AGG_ERR(416),
                       H1_AGG_ERR(417), H1_AGG_ERR(421), H1_AGG_ERR(500), H1_AGG_ERR(502), H1_AGG_ERR(503),
                       esc->h1_request_timeout, esc->h1_request_io_timeout,
                       H2_AGG_ERR(PROTOCOL), H2_AGG_ERR(INTERNAL), H2_AGG_ERR(FLOW_CONTROL), H2_AGG_ERR(SETTINGS_TIMEOUT),
                       H2_AGG_ERR(STREAM_CLOSED), H2_AGG_ERR(FRAME_SIZE), H2_AGG_ERR(REFUSED_STREAM), H2_AGG_ERR(CANCEL),
                       H2_AGG_ERR(COMPRESSION), H2_AGG_ERR(CONNECT), H2_AGG_ERR(ENHANCE_YOUR_CALM), H2_AGG_ERR(INADEQUATE_SECURITY),
                       esc->h2_read_closed, esc->h2_write_closed, esc->h2_idle_timeout, esc->h2_streaming_requests,
                       esc->http3.packet_forwarded, esc->http3.forwarded_packet_received,
                       esc->connection_stats.idle_closed, esc->connection_stats.num_idle, esc->connection_stats.num_active,
                       esc->connection_stats.num_shutdown, esc->quic_stats.packet_received, esc->quic_stats.packet_processed,
                       esc->quic_stats.num_sentmap_packets_largest
                       H2O_QUIC_AGGREGATED_STATS_APPLY(QUIC_VAL),
                       esc->ssl_errors, h2o_mmap_errors, ptls_log_num_lost());
    /* clang-format on */
    assert(ret.len < BUFSIZE);
#undef H1_AGG_ERR
#undef H2_AGG_ERR
#undef QUIC_FMT
#undef QUIC_VAL
#undef BUFSIZE

    pthread_mutex_destroy(&esc->mutex);
    free(esc);
    return ret;
}

h2o_status_handler_t h2o_events_status_handler = {
    {H2O_STRLIT("events")}, events_status_final, events_status_init, events_status_per_thread};

Coverage Report

Created: 2025-07-12 06:34

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright (c) 2016 Fastly
3		*
4		* Permission is hereby granted, free of charge, to any person obtaining a copy
5		* of this software and associated documentation files (the "Software"), to
6		* deal in the Software without restriction, including without limitation the
7		* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
8		* sell copies of the Software, and to permit persons to whom the Software is
9		* furnished to do so, subject to the following conditions:
10		*
11		* The above copyright notice and this permission notice shall be included in
12		* all copies or substantial portions of the Software.
13		*
14		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15		* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16		* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17		* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18		* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19		* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
20		* IN THE SOFTWARE.
21		*/
22
23		#include "h2o.h"
24		#include <inttypes.h>
25
26		struct st_events_status_ctx_t {
27		uint64_t emitted_status_errors[H2O_STATUS_ERROR_MAX];
28		uint64_t h2_protocol_level_errors[H2O_HTTP2_ERROR_MAX];
29		uint64_t h2_read_closed;
30		uint64_t h2_write_closed;
31		uint64_t h2_idle_timeout;
32		uint64_t h2_streaming_requests;
33		uint64_t h1_request_timeout;
34		uint64_t h1_request_io_timeout;
35		uint64_t ssl_errors;
36		struct {
37		uint64_t packet_forwarded;
38		uint64_t forwarded_packet_received;
39		} http3;
40		struct {
41		uint64_t idle_closed;
42		uint64_t num_idle;
43		uint64_t num_active;
44		uint64_t num_shutdown;
45		} connection_stats;
46		h2o_quic_stats_t quic_stats;
47		pthread_mutex_t mutex;
48		};
49
50		static void events_status_per_thread(void priv, h2o_context_t ctx)
51	0	{
52	0	size_t i;
53	0	struct st_events_status_ctx_t *esc = priv;
54
55	0	pthread_mutex_lock(&esc->mutex);
56
57	0	for (i = 0; i < H2O_STATUS_ERROR_MAX; i++) {
58	0	esc->emitted_status_errors[i] += ctx->emitted_error_status[i];
59	0	}
60	0	esc->ssl_errors += ctx->ssl.errors;
61	0	for (i = 0; i < H2O_HTTP2_ERROR_MAX; i++) {
62	0	esc->h2_protocol_level_errors[i] += ctx->http2.events.protocol_level_errors[i];
63	0	}
64	0	esc->h2_read_closed += ctx->http2.events.read_closed;
65	0	esc->h2_write_closed += ctx->http2.events.write_closed;
66	0	esc->h2_idle_timeout += ctx->http2.events.idle_timeouts;
67	0	esc->h2_streaming_requests += ctx->http2.events.streaming_requests;
68	0	esc->h1_request_timeout += ctx->http1.events.request_timeouts;
69	0	esc->h1_request_io_timeout += ctx->http1.events.request_io_timeouts;
70	0	esc->http3.packet_forwarded += ctx->http3.events.packet_forwarded;
71	0	esc->http3.forwarded_packet_received += ctx->http3.events.forwarded_packet_received;
72	0	esc->connection_stats.idle_closed += ctx->connection_stats.idle_closed;
73	0	esc->connection_stats.num_idle += ctx->_conns.num_conns.idle;
74	0	esc->connection_stats.num_active += ctx->_conns.num_conns.active;
75	0	esc->connection_stats.num_shutdown += ctx->_conns.num_conns.shutdown;
76	0	esc->quic_stats.packet_received += ctx->quic_stats.packet_received;
77	0	esc->quic_stats.packet_processed += ctx->quic_stats.packet_processed;
78	0	if (esc->quic_stats.num_sentmap_packets_largest < ctx->quic_stats.num_sentmap_packets_largest)
79	0	esc->quic_stats.num_sentmap_packets_largest = ctx->quic_stats.num_sentmap_packets_largest;
80	0	#define ACC(fld, _unused) esc->quic_stats.quicly.fld += ctx->quic_stats.quicly.fld;
81	0	H2O_QUIC_AGGREGATED_STATS_APPLY(ACC);
82	0	#undef ACC
83
84	0	pthread_mutex_unlock(&esc->mutex);
85	0	}
86
87		static void *events_status_init(void)
88	0	{
89	0	struct st_events_status_ctx_t *ret;
90
91	0	ret = h2o_mem_alloc(sizeof(*ret));
92	0	memset(ret, 0, sizeof(*ret));
93	0	pthread_mutex_init(&ret->mutex, NULL);
94
95	0	return ret;
96	0	}
97
98		static h2o_iovec_t events_status_final(void priv, h2o_globalconf_t gconf, h2o_req_t *req)
99	0	{
100	0	struct st_events_status_ctx_t *esc = priv;
101	0	h2o_iovec_t ret;
102
103	0	#define H1_AGG_ERR(status_) esc->emitted_status_errors[H2O_STATUS_ERROR_##status_]
104	0	#define H2_AGG_ERR(err_) esc->h2_protocol_level_errors[-H2O_HTTP2_ERROR_##err_]
105	0	#define QUIC_FMT(_unused, label) " \"quic." label "\": %" PRIu64 ",\n"
106	0	#define QUIC_VAL(fld, _unused) , esc->quic_stats.quicly.fld
107	0	#define BUFSIZE (8 * 1024)
108	0	ret.base = h2o_mem_alloc_pool(&req->pool, char, BUFSIZE);
109		/* clang-format off */
110	0	ret.len = snprintf(ret.base, BUFSIZE, ",\n"
111	0	" \"status-errors.400\": %" PRIu64 ",\n"
112	0	" \"status-errors.401\": %" PRIu64 ",\n"
113	0	" \"status-errors.403\": %" PRIu64 ",\n"
114	0	" \"status-errors.404\": %" PRIu64 ",\n"
115	0	" \"status-errors.405\": %" PRIu64 ",\n"
116	0	" \"status-errors.416\": %" PRIu64 ",\n"
117	0	" \"status-errors.417\": %" PRIu64 ",\n"
118	0	" \"status-errors.421\": %" PRIu64 ",\n"
119	0	" \"status-errors.500\": %" PRIu64 ",\n"
120	0	" \"status-errors.502\": %" PRIu64 ",\n"
121	0	" \"status-errors.503\": %" PRIu64 ",\n"
122	0	" \"http1-errors.request-timeout\": %" PRIu64 ",\n"
123	0	" \"http1-errors.request-io-timeout\": %" PRIu64 ",\n"
124	0	" \"http2-errors.protocol\": %" PRIu64 ",\n"
125	0	" \"http2-errors.internal\": %" PRIu64 ",\n"
126	0	" \"http2-errors.flow-control\": %" PRIu64 ",\n"
127	0	" \"http2-errors.settings-timeout\": %" PRIu64 ",\n"
128	0	" \"http2-errors.stream-closed\": %" PRIu64 ",\n"
129	0	" \"http2-errors.frame-size\": %" PRIu64 ",\n"
130	0	" \"http2-errors.refused-stream\": %" PRIu64 ",\n"
131	0	" \"http2-errors.cancel\": %" PRIu64 ",\n"
132	0	" \"http2-errors.compression\": %" PRIu64 ",\n"
133	0	" \"http2-errors.connect\": %" PRIu64 ",\n"
134	0	" \"http2-errors.enhance-your-calm\": %" PRIu64 ",\n"
135	0	" \"http2-errors.inadequate-security\": %" PRIu64 ",\n"
136	0	" \"http2.read-closed\": %" PRIu64 ",\n"
137	0	" \"http2.write-closed\": %" PRIu64 ",\n"
138	0	" \"http2.idle-timeout\": %" PRIu64 ",\n"
139	0	" \"http2.streaming-requests\": %" PRIu64 ",\n"
140	0	" \"http3.packet-forwarded\": %" PRIu64 ",\n"
141	0	" \"http3.forwarded-packet-received\": %" PRIu64 ",\n"
142	0	" \"connections.idle-closed\": %" PRIu64 ",\n"
143	0	" \"connections.idle\": %" PRIu64 ",\n"
144	0	" \"connections.active\": %" PRIu64 ",\n"
145	0	" \"connections.shutdown\": %" PRIu64 ",\n"
146	0	" \"quic.packet-received\": %" PRIu64 ",\n"
147	0	" \"quic.packet-processed\": %" PRIu64 ",\n"
148	0	" \"quic.num-sentmap-packets-largest\": %zu"
149	0	",\n" H2O_QUIC_AGGREGATED_STATS_APPLY(QUIC_FMT)
150	0	" \"ssl.errors\": %" PRIu64 ",\n"
151	0	" \"memory.mmap_errors\": %zu,\n"
152	0	" \"h2olog.lost\": %zu\n",
153	0	H1_AGG_ERR(400), H1_AGG_ERR(401), H1_AGG_ERR(403), H1_AGG_ERR(404), H1_AGG_ERR(405), H1_AGG_ERR(416),
154	0	H1_AGG_ERR(417), H1_AGG_ERR(421), H1_AGG_ERR(500), H1_AGG_ERR(502), H1_AGG_ERR(503),
155	0	esc->h1_request_timeout, esc->h1_request_io_timeout,
156	0	H2_AGG_ERR(PROTOCOL), H2_AGG_ERR(INTERNAL), H2_AGG_ERR(FLOW_CONTROL), H2_AGG_ERR(SETTINGS_TIMEOUT),
157	0	H2_AGG_ERR(STREAM_CLOSED), H2_AGG_ERR(FRAME_SIZE), H2_AGG_ERR(REFUSED_STREAM), H2_AGG_ERR(CANCEL),
158	0	H2_AGG_ERR(COMPRESSION), H2_AGG_ERR(CONNECT), H2_AGG_ERR(ENHANCE_YOUR_CALM), H2_AGG_ERR(INADEQUATE_SECURITY),
159	0	esc->h2_read_closed, esc->h2_write_closed, esc->h2_idle_timeout, esc->h2_streaming_requests,
160	0	esc->http3.packet_forwarded, esc->http3.forwarded_packet_received,
161	0	esc->connection_stats.idle_closed, esc->connection_stats.num_idle, esc->connection_stats.num_active,
162	0	esc->connection_stats.num_shutdown, esc->quic_stats.packet_received, esc->quic_stats.packet_processed,
163	0	esc->quic_stats.num_sentmap_packets_largest
164	0	H2O_QUIC_AGGREGATED_STATS_APPLY(QUIC_VAL),
165	0	esc->ssl_errors, h2o_mmap_errors, ptls_log_num_lost());
166		/* clang-format on */
167	0	assert(ret.len < BUFSIZE);
168	0	#undef H1_AGG_ERR
169	0	#undef H2_AGG_ERR
170	0	#undef QUIC_FMT
171	0	#undef QUIC_VAL
172	0	#undef BUFSIZE
173
174	0	pthread_mutex_destroy(&esc->mutex);
175	0	free(esc);
176	0	return ret;
177	0	}
178
179		h2o_status_handler_t h2o_events_status_handler = {
180		{H2O_STRLIT("events")}, events_status_final, events_status_init, events_status_per_thread};