struct tm *h2o_filecache_get_last_modified(h2o_filecache_ref_t *ref, char *outbuf)
{
assert(ref->fd != -1);
if (ref->_last_modified.str[0] == '\0') {
gmtime_r(&ref->st.st_mtime, &ref->_last_modified.gm);
h2o_time2str_rfc1123(ref->_last_modified.str, &ref->_last_modified.gm);
}
if (outbuf != NULL)
memcpy(outbuf, ref->_last_modified.str, H2O_TIMESTR_RFC1123_LEN + 1);
return &ref->_last_modified.gm;
}
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);
}
}
void h2o_get_timestamp(h2o_context_t *ctx, h2o_mem_pool_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_mem_release_shared(ctx->_timestamp_cache.value);
ctx->_timestamp_cache.value = h2o_mem_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_mem_link_shared(pool, ctx->_timestamp_cache.value);
ts->str = ctx->_timestamp_cache.value;
}
static struct st_h2o_sendfile_generator_t *create_generator(h2o_mempool_t *pool, const char *path, int *is_dir)
{
struct st_h2o_sendfile_generator_t *self;
int fd;
struct stat st;
size_t bufsz;
*is_dir = 0;
if ((fd = open(path, O_RDONLY)) == -1)
return NULL;
if (fstat(fd, &st) != 0) {
perror("fstat");
close(fd);
return NULL;
}
if (S_ISDIR(st.st_mode)) {
close(fd);
*is_dir = 1;
return NULL;
}
bufsz = MAX_BUF_SIZE;
if (st.st_size < bufsz)
bufsz = st.st_size;
self = h2o_mempool_alloc(pool, sizeof(*self));
self->super.proceed = do_proceed;
self->super.stop = do_close;
self->fd = fd;
self->req = NULL;
self->bytesleft = st.st_size;
h2o_time2str_rfc1123(self->last_modified_buf, st.st_mtime);
self->etag_len = sprintf(self->etag_buf, "\"%08x-%zx\"", (unsigned)st.st_mtime, (size_t)st.st_size);
return self;
}
