Function ap_proxy_http_process_response

modules/proxy/mod_proxy_http.c:1015–1851

}

static
int ap_proxy_http_process_response(proxy_http_req_t *req)
{
    apr_pool_t *p = req->p;
    request_rec *r = req->r;
    conn_rec *c = r->connection;
    proxy_worker *worker = req->worker;
    proxy_conn_rec *backend = req->backend;
    conn_rec *origin = req->origin;
    int do_100_continue = req->do_100_continue;
    int status;

    char *buffer;
    char fixed_buffer[HUGE_STRING_LEN];
    const char *buf;
    char keepchar;
    apr_bucket *e;
    apr_bucket_brigade *bb;
    apr_bucket_brigade *pass_bb;
    int len, backasswards;
    int interim_response = 0; /* non-zero whilst interim 1xx responses
                               * are being read. */
    apr_size_t response_field_size = 0;
    int pread_len = 0;
    apr_table_t *save_table;
    int backend_broke = 0;
    static const char *hop_by_hop_hdrs[] =
        {"Keep-Alive", "Proxy-Authenticate", "TE", "Trailer", "Upgrade", NULL};
    int i;
    const char *te = NULL;
    int original_status = r->status;
    int proxy_status = OK;
    const char *original_status_line = r->status_line;
    const char *proxy_status_line = NULL;
    apr_interval_time_t old_timeout = 0;
    proxy_dir_conf *dconf;

    dconf = ap_get_module_config(r->per_dir_config, &proxy_module);

    bb = apr_brigade_create(p, c->bucket_alloc);
    pass_bb = apr_brigade_create(p, c->bucket_alloc);

    /* Only use dynamically sized buffer if user specifies ResponseFieldSize */
    if(backend->worker->s->response_field_size_set) {
        response_field_size = backend->worker->s->response_field_size;

        if (response_field_size != HUGE_STRING_LEN)
            buffer = apr_pcalloc(p, response_field_size);
        else
            buffer = fixed_buffer;
    }
    else {
        response_field_size = HUGE_STRING_LEN;
        buffer = fixed_buffer;
    }

    /* Setup for 100-Continue timeout if appropriate */
    if (do_100_continue && worker->s->ping_timeout_set) {