Function h2_push_collect

modules/http2/h2_push.c:441–473

                                    const ap_bucket_response *res)
#else
apr_array_header_t *h2_push_collect(apr_pool_t *p,
                                    const struct h2_request *req,
                                    apr_uint32_t push_policy,
                                    const struct h2_headers *res)
#endif
{
    if (req && push_policy != H2_PUSH_NONE) {
        /* Collect push candidates from the request/response pair.
         * 
         * One source for pushes are "rel=preload" link headers
         * in the response.
         * 
         * TODO: This may be extended in the future by hooks or callbacks
         * where other modules can provide push information directly.
         */
        if (res->headers) {
            link_ctx ctx;
            
            memset(&ctx, 0, sizeof(ctx));
            ctx.req = req;
            ctx.push_policy = push_policy;
            ctx.pool = p;
            
            apr_table_do(head_iter, &ctx, res->headers, NULL);
            if (ctx.pushes) {
                apr_table_setn(res->headers, "push-policy", 
                               policy_str(push_policy));
            }
            return ctx.pushes;
        }
    }
    return NULL;
}

#define GCSLOG_LEVEL   APLOG_TRACE1