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/*
* Copyright (c) 2014 DeNA Co., Ltd.
*
* 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 <stddef.h>
#include <stdlib.h>
#include <sys/time.h>
#include "h2o.h"
#include "h2o/memcached.h"
void h2o_context_init_pathconf_context(h2o_context_t *ctx, h2o_pathconf_t *pathconf)
{
/* add pathconf to the inited list (or return if already inited) */
size_t i;
for (i = 0; i != ctx->_pathconfs_inited.size; ++i)
if (ctx->_pathconfs_inited.entries[i] == pathconf)
return;
h2o_vector_reserve(NULL, &ctx->_pathconfs_inited, ctx->_pathconfs_inited.size + 1);
ctx->_pathconfs_inited.entries[ctx->_pathconfs_inited.size++] = pathconf;
#define DOIT(type, list) \
do { \
size_t i; \
for (i = 0; i != pathconf->list.size; ++i) { \
type *o = pathconf->list.entries[i]; \
if (o->on_context_init != NULL) \
o->on_context_init(o, ctx); \
} \
} while (0)
DOIT(h2o_handler_t, handlers);
DOIT(h2o_filter_t, filters);
DOIT(h2o_logger_t, loggers);
#undef DOIT
}
void h2o_context_dispose_pathconf_context(h2o_context_t *ctx, h2o_pathconf_t *pathconf)
{
/* nullify pathconf in the inited list (or return if already disposed) */
size_t i;
for (i = 0; i != ctx->_pathconfs_inited.size; ++i)
if (ctx->_pathconfs_inited.entries[i] == pathconf)
break;
if (i == ctx->_pathconfs_inited.size)
return;
ctx->_pathconfs_inited.entries[i] = NULL;
#define DOIT(type, list) \
do { \
size_t i; \
for (i = 0; i != pathconf->list.size; ++i) { \
type *o = pathconf->list.entries[i]; \
if (o->on_context_dispose != NULL) \
o->on_context_dispose(o, ctx); \
} \
} while (0)
DOIT(h2o_handler_t, handlers);
DOIT(h2o_filter_t, filters);
DOIT(h2o_logger_t, loggers);
#undef DOIT
}
void h2o_context_init(h2o_context_t *ctx, h2o_loop_t *loop, h2o_globalconf_t *config)
{
size_t i, j;
assert(config->hosts[0] != NULL);
memset(ctx, 0, sizeof(*ctx));
ctx->loop = loop;
ctx->globalconf = config;
h2o_timeout_init(ctx->loop, &ctx->zero_timeout, 0);
h2o_timeout_init(ctx->loop, &ctx->one_sec_timeout, 1000);
h2o_timeout_init(ctx->loop, &ctx->hundred_ms_timeout, 100);
ctx->queue = h2o_multithread_create_queue(loop);
h2o_multithread_register_receiver(ctx->queue, &ctx->receivers.hostinfo_getaddr, h2o_hostinfo_getaddr_receiver);
ctx->filecache = h2o_filecache_create(config->filecache.capacity);
h2o_timeout_init(ctx->loop, &ctx->handshake_timeout, config->handshake_timeout);
h2o_timeout_init(ctx->loop, &ctx->http1.req_timeout, config->http1.req_timeout);
h2o_linklist_init_anchor(&ctx->http1._conns);
h2o_timeout_init(ctx->loop, &ctx->http2.idle_timeout, config->http2.idle_timeout);
h2o_timeout_init(ctx->loop, &ctx->http2.graceful_shutdown_timeout, config->http2.graceful_shutdown_timeout);
h2o_linklist_init_anchor(&ctx->http2._conns);
ctx->proxy.client_ctx.loop = loop;
h2o_timeout_init(ctx->loop, &ctx->proxy.io_timeout, config->proxy.io_timeout);
ctx->proxy.client_ctx.getaddr_receiver = &ctx->receivers.hostinfo_getaddr;
ctx->proxy.client_ctx.io_timeout = &ctx->proxy.io_timeout;
ctx->proxy.client_ctx.ssl_ctx = config->proxy.ssl_ctx;
ctx->_module_configs = h2o_mem_alloc(sizeof(*ctx->_module_configs) * config->_num_config_slots);
memset(ctx->_module_configs, 0, sizeof(*ctx->_module_configs) * config->_num_config_slots);
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_lock(&mutex);
for (i = 0; config->hosts[i] != NULL; ++i) {
h2o_hostconf_t *hostconf = config->hosts[i];
for (j = 0; j != hostconf->paths.size; ++j) {
h2o_pathconf_t *pathconf = hostconf->paths.entries + j;
h2o_context_init_pathconf_context(ctx, pathconf);
}
h2o_context_init_pathconf_context(ctx, &hostconf->fallback_path);
}
pthread_mutex_unlock(&mutex);
}
void h2o_context_dispose(h2o_context_t *ctx)
{
h2o_globalconf_t *config = ctx->globalconf;
size_t i, j;
for (i = 0; config->hosts[i] != NULL; ++i) {
h2o_hostconf_t *hostconf = config->hosts[i];
for (j = 0; j != hostconf->paths.size; ++j) {
h2o_pathconf_t *pathconf = hostconf->paths.entries + j;
h2o_context_dispose_pathconf_context(ctx, pathconf);
}
h2o_context_dispose_pathconf_context(ctx, &hostconf->fallback_path);
}
free(ctx->_pathconfs_inited.entries);
free(ctx->_module_configs);
h2o_timeout_dispose(ctx->loop, &ctx->zero_timeout);
h2o_timeout_dispose(ctx->loop, &ctx->one_sec_timeout);
h2o_timeout_dispose(ctx->loop, &ctx->hundred_ms_timeout);
h2o_timeout_dispose(ctx->loop, &ctx->handshake_timeout);
h2o_timeout_dispose(ctx->loop, &ctx->http1.req_timeout);
h2o_timeout_dispose(ctx->loop, &ctx->http2.idle_timeout);
h2o_timeout_dispose(ctx->loop, &ctx->http2.graceful_shutdown_timeout);
h2o_timeout_dispose(ctx->loop, &ctx->proxy.io_timeout);
/* what should we do here? assert(!h2o_linklist_is_empty(&ctx->http2._conns); */
h2o_filecache_destroy(ctx->filecache);
ctx->filecache = NULL;
/* clear storage */
for (i = 0; i != ctx->storage.size; ++i) {
h2o_context_storage_item_t *item = ctx->storage.entries + i;
if (item->dispose != NULL) {
item->dispose(item->data);
}
}
free(ctx->storage.entries);
/* TODO assert that the all the getaddrinfo threads are idle */
h2o_multithread_unregister_receiver(ctx->queue, &ctx->receivers.hostinfo_getaddr);
h2o_multithread_destroy_queue(ctx->queue);
if (ctx->_timestamp_cache.value != NULL)
h2o_mem_release_shared(ctx->_timestamp_cache.value);
#if H2O_USE_LIBUV
/* make sure the handles released by h2o_timeout_dispose get freed */
uv_run(ctx->loop, UV_RUN_NOWAIT);
#endif
}
void h2o_context_request_shutdown(h2o_context_t *ctx)
{
ctx->shutdown_requested = 1;
if (ctx->globalconf->http1.callbacks.request_shutdown != NULL)
ctx->globalconf->http1.callbacks.request_shutdown(ctx);
if (ctx->globalconf->http2.callbacks.request_shutdown != NULL)
ctx->globalconf->http2.callbacks.request_shutdown(ctx);
}
void h2o_context_update_timestamp_cache(h2o_context_t *ctx)
{
time_t prev_sec = ctx->_timestamp_cache.tv_at.tv_sec;
ctx->_timestamp_cache.uv_now_at = h2o_now(ctx->loop);
gettimeofday(&ctx->_timestamp_cache.tv_at, NULL);
if (ctx->_timestamp_cache.tv_at.tv_sec != prev_sec) {
struct tm gmt;
/* update the string cache */
if (ctx->_timestamp_cache.value != NULL)
h2o_mem_release_shared(ctx->_timestamp_cache.value);
ctx->_timestamp_cache.value = h2o_mem_alloc_shared(NULL, sizeof(h2o_timestamp_string_t), NULL);
gmtime_r(&ctx->_timestamp_cache.tv_at.tv_sec, &gmt);
h2o_time2str_rfc1123(ctx->_timestamp_cache.value->rfc1123, &gmt);
h2o_time2str_log(ctx->_timestamp_cache.value->log, ctx->_timestamp_cache.tv_at.tv_sec);
}
}
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