void h2o_send_error(h2o_req_t *req, int status, const char *reason, const char *body, int flags)
{
    bind_conf(req);

    if ((flags & H2O_SEND_ERROR_HTTP1_CLOSE_CONNECTION) != 0)
        req->http1_is_persistent = 0;

    req->res.status = status;
    req->res.reason = reason;
    req->res.content_length = strlen(body);
    memset(&req->res.headers, 0, sizeof(req->res.headers));
    h2o_add_header(&req->pool, &req->res.headers, H2O_TOKEN_CONTENT_TYPE, H2O_STRLIT("text/plain; charset=utf-8"));

    h2o_send_inline(req, body, SIZE_MAX);
}

static void register_authority(h2o_globalconf_t *globalconf, h2o_iovec_t host, uint16_t port)
{
    static h2o_iovec_t x_authority = {H2O_STRLIT("x-authority")};

    h2o_hostconf_t *hostconf = h2o_config_register_host(globalconf, host, port);
    h2o_pathconf_t *pathconf = h2o_config_register_path(hostconf, "/");
    h2o_file_register(pathconf, "t/00unit/assets", NULL, NULL, 0);

    char *authority = h2o_mem_alloc(host.len + sizeof(":65535"));
    sprintf(authority, "%.*s:%" PRIu16, (int)host.len, host.base, port);
    h2o_headers_command_t *cmds = h2o_mem_alloc(sizeof(*cmds) * 2);
    cmds[0] = (h2o_headers_command_t){H2O_HEADERS_CMD_ADD, &x_authority, {authority, strlen(authority)}};
    cmds[1] = (h2o_headers_command_t){H2O_HEADERS_CMD_NULL};
    h2o_headers_register(pathconf, cmds);
}

static h2o_iovec_t rewrite_location(h2o_mem_pool_t *pool, const char *location, size_t location_len, h2o_proxy_location_t *upstream, h2o_iovec_t req_scheme, h2o_iovec_t req_authority, h2o_iovec_t req_basepath)
{
    h2o_iovec_t loc_scheme, loc_host, loc_path;
    uint16_t loc_port;

    if (h2o_parse_url(location, location_len, &loc_scheme, &loc_host, &loc_port, &loc_path) != 0
        || ! test_location_match(upstream, loc_scheme, loc_host, loc_port, loc_path))
        return h2o_iovec_init(location, location_len);

    return h2o_concat(pool,
        req_scheme,
        h2o_iovec_init(H2O_STRLIT("://")),
        req_authority,
        req_basepath,
        h2o_iovec_init(loc_path.base + upstream->path.len, loc_path.len - upstream->path.len));
}

static void test_decode_base64(void)
{
    h2o_mem_pool_t pool;
    char buf[256];

    h2o_mem_init_pool(&pool);

    h2o_iovec_t src = {H2O_STRLIT("The quick brown fox jumps over the lazy dog.")}, decoded;
    h2o_base64_encode(buf, (const uint8_t *)src.base, src.len, 1);
    ok(strcmp(buf, "VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wcyBvdmVyIHRoZSBsYXp5IGRvZy4") == 0);
    decoded = h2o_decode_base64url(&pool, buf, strlen(buf));
    ok(src.len == decoded.len);
    ok(strcmp(decoded.base, src.base) == 0);

    h2o_mem_clear_pool(&pool);
}

static struct rp_generator_t *proxy_send_prepare(h2o_req_t *req, h2o_proxy_location_t *upstream, int keepalive)
{
    struct rp_generator_t *self = h2o_mem_alloc_shared(&req->pool, sizeof(*self), on_generator_dispose);

    self->super.proceed = do_proceed;
    self->super.stop = do_close;
    self->upstream = upstream;
    self->src_req = req;
    self->up_req.bufs[0] = build_request(req, upstream, keepalive);
    self->up_req.bufs[1] = req->entity;
    self->up_req.is_head = h2o_memis(req->method.base, req->method.len, H2O_STRLIT("HEAD"));
    h2o_buffer_init(&self->last_content_before_send, &h2o_socket_buffer_prototype);
    h2o_buffer_init(&self->buf_sending, &h2o_socket_buffer_prototype);

    return self;
}

h2o_compress_context_t *h2o_compress_gzip_open(h2o_mem_pool_t *pool, int quality)
{
    struct st_gzip_context_t *self = h2o_mem_alloc_shared(pool, sizeof(*self), do_free);

    self->super.name = h2o_iovec_init(H2O_STRLIT("gzip"));
    self->super.compress = do_compress;
    self->zs.zalloc = alloc_cb;
    self->zs.zfree = free_cb;
    self->zs.opaque = NULL;
    /* Z_BEST_SPEED for on-the-fly compression, memlevel set to 8 as suggested by the manual */
    deflateInit2(&self->zs, quality, Z_DEFLATED, WINDOW_BITS, 8, Z_DEFAULT_STRATEGY);
    self->zs_is_open = 1;
    self->bufs = (iovec_vector_t){};
    expand_buf(&self->bufs);

    return &self->super;
}

static void redirect_internally(h2o_redirect_handler_t *self, h2o_req_t *req, h2o_iovec_t dest)
{
    h2o_iovec_t method;
    h2o_url_t input, resolved;

    /* resolve the URL */
    if (h2o_url_parse_relative(dest.base, dest.len, &input) != 0) {
        h2o_req_log_error(req, MODULE_NAME, "invalid destination:%.*s", (int)dest.len, dest.base);
        goto SendInternalError;
    }
    if (input.scheme != NULL && input.authority.base != NULL) {
        resolved = input;
    } else {
        h2o_url_t base;
        /* we MUST to set authority to that of hostconf, or internal redirect might create a TCP connection */
        if (h2o_url_init(&base, req->scheme, req->hostconf->authority.hostport, req->path) != 0) {
            h2o_req_log_error(req, MODULE_NAME, "failed to parse current authority:%.*s", (int)req->authority.len,
                              req->authority.base);
            goto SendInternalError;
        }
        h2o_url_resolve(&req->pool, &base, &input, &resolved);
    }

    /* determine the method */
    switch (self->status) {
    case 307:
    case 308:
        method = req->method;
        break;
    default:
        method = h2o_iovec_init(H2O_STRLIT("GET"));
#ifndef _MSC_VER
        req->entity = (h2o_iovec_t){NULL};
#else
		req->entity = (h2o_iovec_t) { 0 };
#endif
        break;
    }

    h2o_reprocess_request_deferred(req, method, resolved.scheme, resolved.authority, resolved.path, NULL, 1);
    return;

SendInternalError:
    h2o_send_error_503(req, "Internal Server Error", "internal server error", 0);
}

int main(int argc, char **argv)
{
    h2o_hostconf_t *hostconf;

    signal(SIGPIPE, SIG_IGN);

    h2o_config_init(&config);
    hostconf = h2o_config_register_host(&config, h2o_iovec_init(H2O_STRLIT("default")), 65535);
    register_handler(hostconf, "/post-test", post_test);
    register_handler(hostconf, "/chunked-test", chunked_test);
    h2o_reproxy_register(register_handler(hostconf, "/reproxy-test", reproxy_test));
    h2o_file_register(h2o_config_register_path(hostconf, "/"), "examples/doc_root", NULL, NULL, 0);

#if H2O_USE_LIBUV
    uv_loop_t loop;
    uv_loop_init(&loop);
    h2o_context_init(&ctx, &loop, &config);
#else
    h2o_context_init(&ctx, h2o_evloop_create(), &config);
#endif

    /* disabled by default: uncomment the block below to use HTTPS instead of HTTP */
    /*
    if (setup_ssl("server.crt", "server.key") != 0)
        goto Error;
    */

    /* disabled by default: uncomment the line below to enable access logging */
    /* h2o_access_log_register(&config.default_host, "/dev/stdout", NULL); */

    if (create_listener() != 0) {
        fprintf(stderr, "failed to listen to 127.0.0.1:7890:%s\n", strerror(errno));
        goto Error;
    }

#if H2O_USE_LIBUV
    uv_run(ctx.loop, UV_RUN_DEFAULT);
#else
    while (h2o_evloop_run(ctx.loop) == 0)
        ;
#endif

Error:
    return 1;
}

void test_lib__handler__redirect_c()
{
    h2o_globalconf_t globalconf;
    h2o_hostconf_t *hostconf;
    h2o_pathconf_t *pathconf;

    h2o_config_init(&globalconf);
    hostconf = h2o_config_register_host(&globalconf, h2o_iovec_init(H2O_STRLIT("default")), 65535);
    pathconf = h2o_config_register_path(hostconf, "/", 0);
    h2o_redirect_register(pathconf, 0, 301, "https://example.com/bar/");

    h2o_context_init(&ctx, test_loop, &globalconf);

    {
        h2o_loopback_conn_t *conn = h2o_loopback_create(&ctx, ctx.globalconf->hosts);
        conn->req.input.method = h2o_iovec_init(H2O_STRLIT("GET"));
        conn->req.input.path = h2o_iovec_init(H2O_STRLIT("/"));
        h2o_loopback_run_loop(conn);
        ok(conn->req.res.status == 301);
        ok(check_header(&conn->req.res, H2O_TOKEN_LOCATION, "https://example.com/bar/"));
        ok(conn->body->size != 0);
        h2o_loopback_destroy(conn);
    }
    {
        h2o_loopback_conn_t *conn = h2o_loopback_create(&ctx, ctx.globalconf->hosts);
        conn->req.input.method = h2o_iovec_init(H2O_STRLIT("GET"));
        conn->req.input.path = h2o_iovec_init(H2O_STRLIT("/abc"));
        h2o_loopback_run_loop(conn);
        ok(conn->req.res.status == 301);
        ok(check_header(&conn->req.res, H2O_TOKEN_LOCATION, "https://example.com/bar/abc"));
        ok(conn->body->size != 0);
        h2o_loopback_destroy(conn);
    }
    {
        h2o_loopback_conn_t *conn = h2o_loopback_create(&ctx, ctx.globalconf->hosts);
        conn->req.input.method = h2o_iovec_init(H2O_STRLIT("HEAD"));
        conn->req.input.path = h2o_iovec_init(H2O_STRLIT("/"));
        h2o_loopback_run_loop(conn);
        ok(conn->req.res.status == 301);
        ok(check_header(&conn->req.res, H2O_TOKEN_LOCATION, "https://example.com/bar/"));
        ok(conn->body->size == 0);
        h2o_loopback_destroy(conn);
    }

    h2o_context_dispose(&ctx);
    h2o_config_dispose(&globalconf);
}

static void test_parse_proxy_line(void)
{
    char in[256];
    struct sockaddr_storage sa;
    socklen_t salen;
    ssize_t ret;

    strcpy(in, "");
    ret = parse_proxy_line(in, strlen(in), (void *)&sa, &salen);
    ok(ret == -2);

    strcpy(in, "PROXY TCP4 192.168.0.1 192.168.0.11 56324 443\r\nabc");
    ret = parse_proxy_line(in, strlen(in), (void *)&sa, &salen);
    ok(ret == strlen(in) - 3);
    ok(salen == sizeof(struct sockaddr_in));
    ok(sa.ss_family == AF_INET);
    ok(((struct sockaddr_in *)&sa)->sin_addr.s_addr == htonl(0xc0a80001));
    ok(((struct sockaddr_in *)&sa)->sin_port == htons(56324));

    strcpy(in, "PROXY TCP4 192.168.0.1 192.168.0.11 56324 443\r");
    ret = parse_proxy_line(in, strlen(in), (void *)&sa, &salen);
    ok(ret == -2);

    strcpy(in, "PROXY TCP5");
    ret = parse_proxy_line(in, strlen(in), (void *)&sa, &salen);
    ok(ret == -1);

    strcpy(in, "PROXY UNKNOWN");
    ret = parse_proxy_line(in, strlen(in), (void *)&sa, &salen);
    ok(ret == -2);

    strcpy(in, "PROXY UNKNOWN\r\nabc");
    ret = parse_proxy_line(in, strlen(in), (void *)&sa, &salen);
    ok(ret == strlen(in) - 3);
    ok(salen == 0);

    strcpy(in, "PROXY TCP6 ::1 ::1 56324 443\r\n");
    ret = parse_proxy_line(in, strlen(in), (void *)&sa, &salen);
    ok(ret == strlen(in));
    ok(salen == sizeof(struct sockaddr_in6));
    ok(sa.ss_family == AF_INET6);
    ok(memcmp(&((struct sockaddr_in6 *)&sa)->sin6_addr, H2O_STRLIT("\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1")) == 0);
    ok(((struct sockaddr_in6 *)&sa)->sin6_port == htons(56324));
}

void test_issues293()
{
    h2o_globalconf_t globalconf;

    h2o_config_init(&globalconf);

    /* register two hosts, using 80 and 443 */
    register_authority(&globalconf, h2o_iovec_init(H2O_STRLIT("default")), 65535);
    register_authority(&globalconf, h2o_iovec_init(H2O_STRLIT("host1")), 80);
    register_authority(&globalconf, h2o_iovec_init(H2O_STRLIT("host1")), 443);
    register_authority(&globalconf, h2o_iovec_init(H2O_STRLIT("host2")), 80);
    register_authority(&globalconf, h2o_iovec_init(H2O_STRLIT("host2")), 443);
    register_authority(&globalconf, h2o_iovec_init(H2O_STRLIT("host3")), 65535);

    h2o_context_init(&ctx, test_loop, &globalconf);

    /* run the tests */
    check(&H2O_URL_SCHEME_HTTP, "host1", "host1:80");
    check(&H2O_URL_SCHEME_HTTPS, "host1", "host1:443");
    check(&H2O_URL_SCHEME_HTTP, "host2", "host2:80");
    check(&H2O_URL_SCHEME_HTTPS, "host2", "host2:443");

    /* supplied port number in the Host header must be preferred */
    check(&H2O_URL_SCHEME_HTTP, "host1:80", "host1:80");
    check(&H2O_URL_SCHEME_HTTP, "host1:443", "host1:443");
    check(&H2O_URL_SCHEME_HTTPS, "host1:80", "host1:80");
    check(&H2O_URL_SCHEME_HTTPS, "host1:443", "host1:443");
    check(&H2O_URL_SCHEME_HTTP, "host2:80", "host2:80");
    check(&H2O_URL_SCHEME_HTTP, "host2:443", "host2:443");
    check(&H2O_URL_SCHEME_HTTPS, "host2:80", "host2:80");
    check(&H2O_URL_SCHEME_HTTPS, "host2:443", "host2:443");

    /* host-level conf without default port */
    check(&H2O_URL_SCHEME_HTTP, "host3", "host3:65535");
    check(&H2O_URL_SCHEME_HTTPS, "host3", "host3:65535");
    check(&H2O_URL_SCHEME_HTTP, "host3", "host3:65535");
    check(&H2O_URL_SCHEME_HTTPS, "host3", "host3:65535");
    check(&H2O_URL_SCHEME_HTTP, "host3:80", "host3:65535");
    check(&H2O_URL_SCHEME_HTTPS, "host3:80", "default:65535");
    check(&H2O_URL_SCHEME_HTTP, "host3:443", "default:65535");
    check(&H2O_URL_SCHEME_HTTPS, "host3:443", "host3:65535");

    /* upper-case */
    check(&H2O_URL_SCHEME_HTTP, "HoST1", "host1:80");
    check(&H2O_URL_SCHEME_HTTP, "HoST1:80", "host1:80");
    check(&H2O_URL_SCHEME_HTTPS, "HoST1", "host1:443");
    check(&H2O_URL_SCHEME_HTTPS, "HoST1:443", "host1:443");

    h2o_context_dispose(&ctx);
    h2o_config_dispose(&globalconf);
}

static int on_req(h2o_handler_t *_self, h2o_req_t *req)
{
    h2o_redirect_handler_t *self = (void *)_self;

    /* build the URL */
    h2o_iovec_t path =
        h2o_iovec_init(req->path_normalized.base + req->pathconf->path.len, req->path_normalized.len - req->pathconf->path.len);
    h2o_iovec_t query = req->query_at != SIZE_MAX ? h2o_iovec_init(req->path.base + req->query_at, req->path.len - req->query_at)
                                                  : h2o_iovec_init(H2O_STRLIT(""));
    h2o_iovec_t dest = h2o_concat(&req->pool, self->prefix, path, query);

    if (self->internal) {
        redirect_internally(self, req, dest);
    } else {
        h2o_send_redirect(req, self->status, "Redirected", dest.base, dest.len);
    }

    return 0;
}

int main(int argc, char **argv)
{
    h2o_hostconf_t *hostconf;
    h2o_pathconf_t *pathconf;

    h2o_config_init(&config);
    hostconf = h2o_config_register_host(&config, h2o_iovec_init(H2O_STRLIT("default")), 65535);
    pathconf = h2o_config_register_path(hostconf, "/", 0);
    h2o_create_handler(pathconf, sizeof(h2o_handler_t))->on_req = on_req;

#if H2O_USE_LIBUV
    uv_loop_t loop;
    uv_loop_init(&loop);
    h2o_context_init(&ctx, &loop, &config);
#else
    h2o_context_init(&ctx, h2o_evloop_create(), &config);
#endif

    /* disabled by default: uncomment the block below to use HTTPS instead of HTTP */
    /*
    if (setup_ssl("server.crt", "server.key") != 0)
        goto Error;
    */

    accept_ctx.ctx = &ctx;
    accept_ctx.hosts = config.hosts;

    if (create_listener() != 0) {
        fprintf(stderr, "failed to listen to 127.0.0.1:7890:%s\n", strerror(errno));
        goto Error;
    }

#if H2O_USE_LIBUV
    uv_run(ctx.loop, UV_RUN_DEFAULT);
#else
    while (h2o_evloop_run(ctx.loop, INT32_MAX) == 0)
        ;
#endif

Error:
    return 1;
}

ssize_t h2o_set_header_token(h2o_mem_pool_t *pool, h2o_headers_t *headers, const h2o_token_t *token, const char *value,
                             size_t value_len)
{
    size_t found = -1;
    size_t i;
    for (i = 0; i != headers->size; ++i) {
        if (headers->entries[i].name == &token->buf) {
            if (h2o_contains_token(headers->entries[i].value.base, headers->entries[i].value.len, value, value_len, ','))
                return -1;
            found = i;
        }
    }
    if (found != -1) {
        h2o_header_t *dest = headers->entries + found;
        dest->value = h2o_concat(pool, dest->value, h2o_iovec_init(H2O_STRLIT(", ")), h2o_iovec_init(value, value_len));
        return found;
    } else {
        return h2o_add_header(pool, headers, token, NULL, value, value_len);
    }
}

static struct rp_generator_t *proxy_send_prepare(h2o_req_t *req, int keepalive)
{
    struct rp_generator_t *self = h2o_mem_alloc_shared(&req->pool, sizeof(*self), on_generator_dispose);
    h2o_http1client_ctx_t *client_ctx = get_client_ctx(req);

    self->super.proceed = do_proceed;
    self->super.stop = do_close;
    self->src_req = req;
    if (client_ctx->websocket_timeout != NULL && h2o_lcstris(req->upgrade.base, req->upgrade.len, H2O_STRLIT("websocket"))) {
        self->is_websocket_handshake = 1;
    } else {
        self->is_websocket_handshake = 0;
    }
    self->up_req.bufs[0] = build_request(req, keepalive, self->is_websocket_handshake);
    self->up_req.bufs[1] = req->entity;
    self->up_req.is_head = h2o_memis(req->method.base, req->method.len, H2O_STRLIT("HEAD"));
    h2o_buffer_init(&self->last_content_before_send, &h2o_socket_buffer_prototype);
    h2o_doublebuffer_init(&self->sending, &h2o_socket_buffer_prototype);

    return self;
}

static void send_chunk(h2o_ostream_t *_self, h2o_req_t *req, h2o_buf_t *inbufs, size_t inbufcnt, int is_final)
{
    struct rproxy_t *self = (void*)_self;
    const char *host, *path;
    uint16_t port;

    /* throw away all data */
    if (! is_final) {
        h2o_ostream_send_next(&self->super, req, NULL, 0, 0);
        return;
    }

    /* end of the original stream, start retreiving the data from the reproxy-url */
    if (! parse_url(&req->pool, self->reproxy_url, &host, &port, &path)) {
        host = NULL;
        path = NULL;
        port = 0;
    }

    /* NOT IMPLEMENTED!!! */
    h2o_buf_t body = h2o_sprintf(
        &req->pool,
        "reproxy request to URL: %s\n"
        "  host: %s\n"
        "  port: %u\n"
        "  path: %s\n",
        self->reproxy_url,
        host,
        (int)port,
        path);
    req->res.status = 200;
    req->res.reason = "Internal Server Error";
    req->res.content_length = SIZE_MAX;
    h2o_set_header(&req->pool, &req->res.headers, H2O_TOKEN_CONTENT_TYPE, H2O_STRLIT("text/plain; charset=utf-8"), 1);

    h2o_setup_next_ostream(self->filter, req, &self->super.next);

    assert(is_final);
    h2o_ostream_send_next(&self->super, req, &body, 1, is_final);
}

static void test_aton(void)
{
    struct in_addr addr;

    memset(&addr, 0x55, sizeof(addr));
#ifndef _MSC_VER
    ok(h2o_hostinfo_aton((h2o_iovec_t){H2O_STRLIT("127.0.0.1")}, &addr) == 0);
#else
	ok(h2o_hostinfo_aton((h2o_iovec_t) { H2O_MY_STRLIT("127.0.0.1") }, &addr) == 0);
#endif
    ok(ntohl(addr.s_addr) == 0x7f000001);

    memset(&addr, 0x55, sizeof(addr));
#ifndef _MSC_VER
    ok(h2o_hostinfo_aton((h2o_iovec_t){"127.0.0.12", sizeof("127.0.0.1") - 1}, &addr) == 0);
#else
	ok(h2o_hostinfo_aton((h2o_iovec_t) { sizeof("127.0.0.1") - 1 , "127.0.0.12" }, &addr) == 0);
#endif
    ok(ntohl(addr.s_addr) == 0x7f000001);

    memset(&addr, 0x55, sizeof(addr));
#ifndef _MSC_VER
    ok(h2o_hostinfo_aton((h2o_iovec_t){H2O_STRLIT("255.001.002.128")}, &addr) == 0);
#else
	ok(h2o_hostinfo_aton((h2o_iovec_t) { H2O_MY_STRLIT("255.001.002.128") }, &addr) == 0);
#endif
    ok(ntohl(addr.s_addr) == 0xff010280);

#ifndef _MSC_VER
    ok(h2o_hostinfo_aton((h2o_iovec_t){H2O_STRLIT("127.0.0.z")}, &addr) != 0);
    ok(h2o_hostinfo_aton((h2o_iovec_t){H2O_STRLIT("256.0.0.0")}, &addr) != 0);
    ok(h2o_hostinfo_aton((h2o_iovec_t){H2O_STRLIT("0001.0.0.0")}, &addr) != 0);
    ok(h2o_hostinfo_aton((h2o_iovec_t){H2O_STRLIT("0.0..1")}, &addr) != 0);
    ok(h2o_hostinfo_aton((h2o_iovec_t){H2O_STRLIT("1.0.0.0.")}, &addr) != 0);
#else
	ok(h2o_hostinfo_aton((h2o_iovec_t) { H2O_MY_STRLIT("127.0.0.z") }, &addr) != 0);
	ok(h2o_hostinfo_aton((h2o_iovec_t) { H2O_MY_STRLIT("256.0.0.0") }, &addr) != 0);
	ok(h2o_hostinfo_aton((h2o_iovec_t) { H2O_MY_STRLIT("0001.0.0.0") }, &addr) != 0);
	ok(h2o_hostinfo_aton((h2o_iovec_t) { H2O_MY_STRLIT("0.0..1") }, &addr) != 0);
	ok(h2o_hostinfo_aton((h2o_iovec_t) { H2O_MY_STRLIT("1.0.0.0.") }, &addr) != 0);
#endif
}

void h2o_config_init(h2o_globalconf_t *config)
{
    memset(config, 0, sizeof(*config));
    config->hosts = h2o_mem_alloc(sizeof(config->hosts[0]));
    config->hosts[0] = NULL;
    h2o_linklist_init_anchor(&config->configurators);
    config->server_name = h2o_iovec_init(H2O_STRLIT("h2o/" H2O_VERSION));
    config->max_request_entity_size = H2O_DEFAULT_MAX_REQUEST_ENTITY_SIZE;
    config->max_delegations = H2O_DEFAULT_MAX_DELEGATIONS;
    config->handshake_timeout = H2O_DEFAULT_HANDSHAKE_TIMEOUT;
    config->http1.req_timeout = H2O_DEFAULT_HTTP1_REQ_TIMEOUT;
    config->http1.upgrade_to_http2 = H2O_DEFAULT_HTTP1_UPGRADE_TO_HTTP2;
    config->http1.callbacks = H2O_HTTP1_CALLBACKS;
    config->http2.idle_timeout = H2O_DEFAULT_HTTP2_IDLE_TIMEOUT;
    config->proxy.io_timeout = H2O_DEFAULT_PROXY_IO_TIMEOUT;
    config->http2.max_concurrent_requests_per_connection = H2O_HTTP2_SETTINGS_HOST.max_concurrent_streams;
    config->http2.max_streams_for_priority = 16;
    config->http2.callbacks = H2O_HTTP2_CALLBACKS;
    config->mimemap = h2o_mimemap_create();

    h2o_configurator__init_core(config);
}

static void test_decode(void)
{
    h2o_cache_digests_t *digests = NULL;

    h2o_cache_digests_load_header(&digests, H2O_STRLIT("AeLA"));
    ok(digests != NULL);
    if (digests == NULL)
        return;
    ok(digests->fresh.url_only.size == 1);
    ok(digests->fresh.url_and_etag.size == 0);
    ok(digests->fresh.url_only.entries[0].capacity_bits == 7);
    ok(digests->fresh.url_only.entries[0].keys.size == 1);
    ok(digests->fresh.url_only.entries[0].keys.entries[0] == 0x0b);
    ok(!digests->fresh.complete);

    ok(h2o_cache_digests_lookup_by_url(digests, H2O_STRLIT("https://127.0.0.1.xip.io:8081/cache-digests.cgi/hello.js")) ==
       H2O_CACHE_DIGESTS_STATE_FRESH);
    ok(h2o_cache_digests_lookup_by_url(digests, H2O_STRLIT("https://127.0.0.1.xip.io:8081/notfound.js")) ==
       H2O_CACHE_DIGESTS_STATE_UNKNOWN);

    h2o_cache_digests_load_header(&digests, H2O_STRLIT("FOO; stale, AcA; validators; complete"));
    ok(digests->fresh.url_only.size == 1);
    ok(digests->fresh.url_and_etag.size == 1);
    ok(digests->fresh.url_and_etag.entries[0].capacity_bits == 7);
    ok(digests->fresh.url_and_etag.entries[0].keys.size == 0);
    ok(digests->fresh.complete);

    ok(h2o_cache_digests_lookup_by_url(digests, H2O_STRLIT("https://127.0.0.1.xip.io:8081/notfound.js")) ==
       H2O_CACHE_DIGESTS_STATE_NOT_CACHED);
    ok(h2o_cache_digests_lookup_by_url(digests, H2O_STRLIT("https://127.0.0.1.xip.io:8081/cache-digests.cgi/hello.js")) ==
       H2O_CACHE_DIGESTS_STATE_FRESH);

    h2o_cache_digests_load_header(&digests, H2O_STRLIT("AcA; reset"));
    ok(digests->fresh.url_only.size == 1);
    ok(digests->fresh.url_and_etag.size == 0);
    ok(digests->fresh.url_only.entries[0].capacity_bits == 7);
    ok(digests->fresh.url_only.entries[0].keys.size == 0);
    ok(!digests->fresh.complete);

    h2o_cache_digests_destroy(digests);
}

static h2o_iovec_t rewrite_location(h2o_mem_pool_t *pool, const char *location, size_t location_len, h2o_url_t *match,
                                    const h2o_url_scheme_t *req_scheme, h2o_iovec_t req_authority, h2o_iovec_t req_basepath)
{
    h2o_url_t loc_parsed;

    if (h2o_url_parse(location, location_len, &loc_parsed) != 0)
        goto NoRewrite;
    if (loc_parsed.scheme != &H2O_URL_SCHEME_HTTP)
        goto NoRewrite;
    if (!h2o_lcstris(loc_parsed.host.base, loc_parsed.host.len, match->host.base, match->host.len))
        goto NoRewrite;
    if (h2o_url_get_port(&loc_parsed) != h2o_url_get_port(match))
        goto NoRewrite;
    if (loc_parsed.path.len < match->path.len)
        goto NoRewrite;
    if (memcmp(loc_parsed.path.base, match->path.base, match->path.len) != 0)
        goto NoRewrite;

    return h2o_concat(pool, req_scheme->name, h2o_iovec_init(H2O_STRLIT("://")), req_authority, req_basepath,
                      h2o_iovec_init(loc_parsed.path.base + match->path.len, loc_parsed.path.len - match->path.len));

NoRewrite:
    return (h2o_iovec_t){};
}