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context.c
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context.c
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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"
static void on_context_init(h2o_context_t *ctx, h2o_hostconf_t *hostconf)
{
#define DOIT(type, list) \
do { \
size_t i; \
for (i = 0; i != hostconf->list.size; ++i) { \
type *o = hostconf->list.entries[i]; \
if (o->on_context_init != NULL) \
ctx->_module_configs[o->_config_slot] = 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
}
static void on_context_dispose(h2o_context_t *ctx, h2o_hostconf_t *hostconf)
{
#define DOIT(type, list) \
do { \
size_t i; \
for (i = 0; i != hostconf->list.size; ++i) { \
type *o = hostconf->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;
assert(config->hosts.size != 0);
memset(ctx, 0, sizeof(*ctx));
ctx->loop = loop;
ctx->global_config = config;
h2o_timeout_init(ctx->loop, &ctx->zero_timeout, 0);
h2o_timeout_init(ctx->loop, &ctx->req_timeout, config->req_timeout);
ctx->_module_configs = h2o_malloc(sizeof(*ctx->_module_configs) * config->_num_config_slots);
memset(ctx->_module_configs, 0, sizeof(*ctx->_module_configs) * config->_num_config_slots);
for (i = 0; i != config->hosts.size; ++i) {
h2o_hostconf_t *hostconf = config->hosts.entries + i;
on_context_init(ctx, hostconf);
}
}
void h2o_context_dispose(h2o_context_t *ctx)
{
h2o_globalconf_t *config = ctx->global_config;
size_t i;
for (i = 0; i != config->hosts.size; ++i) {
h2o_hostconf_t *hostconf = config->hosts.entries + i;
on_context_dispose(ctx, hostconf);
}
free(ctx->_module_configs);
h2o_timeout_dispose(ctx->loop, &ctx->zero_timeout);
h2o_timeout_dispose(ctx->loop, &ctx->req_timeout);
#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_get_timestamp(h2o_context_t *ctx, h2o_mempool_t *pool, h2o_timestamp_t *ts)
{
uint64_t now = h2o_now(ctx->loop);
if (ctx->_timestamp_cache.uv_now_at != now) {
time_t prev_sec = ctx->_timestamp_cache.tv_at.tv_sec;
ctx->_timestamp_cache.uv_now_at = now;
gettimeofday(&ctx->_timestamp_cache.tv_at, NULL);
if (ctx->_timestamp_cache.tv_at.tv_sec != prev_sec) {
/* update the string cache */
if (ctx->_timestamp_cache.value != NULL)
h2o_mempool_release_shared(ctx->_timestamp_cache.value);
ctx->_timestamp_cache.value = h2o_mempool_alloc_shared(NULL, sizeof(h2o_timestamp_string_t), NULL);
h2o_time2str_rfc1123(ctx->_timestamp_cache.value->rfc1123, ctx->_timestamp_cache.tv_at.tv_sec);
h2o_time2str_log(ctx->_timestamp_cache.value->log, ctx->_timestamp_cache.tv_at.tv_sec);
}
}
ts->at = ctx->_timestamp_cache.tv_at;
h2o_mempool_link_shared(pool, ctx->_timestamp_cache.value);
ts->str = ctx->_timestamp_cache.value;
}