diff options
Diffstat (limited to '')
-rw-r--r-- | web/server/h2o/libh2o/lib/handler/status/events.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/lib/handler/status/events.c b/web/server/h2o/libh2o/lib/handler/status/events.c new file mode 100644 index 00000000..e6ed0b7c --- /dev/null +++ b/web/server/h2o/libh2o/lib/handler/status/events.c @@ -0,0 +1,112 @@ +/* + * 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; + 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]; + } + 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; + + 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 BUFSIZE (2 * 1024) + ret.base = h2o_mem_alloc_pool(&req->pool, BUFSIZE); + ret.len = snprintf(ret.base, BUFSIZE, ",\n" + " \"status-errors.400\": %" 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.500\": %" PRIu64 ",\n" + " \"status-errors.502\": %" PRIu64 ",\n" + " \"status-errors.503\": %" 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", + H1_AGG_ERR(400), H1_AGG_ERR(403), H1_AGG_ERR(404), H1_AGG_ERR(405), H1_AGG_ERR(416), H1_AGG_ERR(417), + H1_AGG_ERR(500), H1_AGG_ERR(502), H1_AGG_ERR(503), 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); + pthread_mutex_destroy(&esc->mutex); + free(esc); + return ret; +#undef BUFSIZE +#undef H1_AGG_ERR +#undef H2_AGG_ERR +} + +h2o_status_handler_t events_status_handler = { + {H2O_STRLIT("events")}, events_status_init, events_status_per_thread, events_status_final, +}; |