int main(int argc, char *argv[]) {
char source[] = "0123456789";
char *four_digits_nbr;
char guess[5], result[5];
four_digits_nbr = gen_rand_string(source, 4);
do {
printf("Input your guess: ");
scanf("%s", guess);
if (strcmp(guess, "fml") == 0) {
printf("Here's the clue: %s\n", four_digits_nbr);
continue;
}
if (strcmp(guess, "exit") == 0) {
printf("Hey, yo loser, bye!\n");
break;
}
evel_guess(four_digits_nbr, guess, 4, result);
printf("%s\n", result);
} while (strcmp (result, "4A0B") != 0);
free(four_digits_nbr);
return 0;
}
static int serve_with_generator(struct st_h2o_sendfile_generator_t *generator, h2o_req_t *req, const char *rpath, size_t rpath_len,
h2o_mimemap_type_t *mime_type)
{
enum { METHOD_IS_GET, METHOD_IS_HEAD, METHOD_IS_OTHER } method_type;
size_t if_modified_since_header_index, if_none_match_header_index;
size_t range_header_index;
/* determine the method */
if (h2o_memis(req->method.base, req->method.len, H2O_STRLIT("GET"))) {
method_type = METHOD_IS_GET;
} else if (h2o_memis(req->method.base, req->method.len, H2O_STRLIT("HEAD"))) {
method_type = METHOD_IS_HEAD;
} else {
method_type = METHOD_IS_OTHER;
}
/* if-non-match and if-modified-since */
if ((if_none_match_header_index = h2o_find_header(&req->headers, H2O_TOKEN_IF_NONE_MATCH, SIZE_MAX)) != -1) {
h2o_iovec_t *if_none_match = &req->headers.entries[if_none_match_header_index].value;
char etag[H2O_FILECACHE_ETAG_MAXLEN + 1];
size_t etag_len = h2o_filecache_get_etag(generator->file.ref, etag);
if (h2o_memis(if_none_match->base, if_none_match->len, etag, etag_len))
goto NotModified;
} else if ((if_modified_since_header_index = h2o_find_header(&req->headers, H2O_TOKEN_IF_MODIFIED_SINCE, SIZE_MAX)) != -1) {
h2o_iovec_t *ims_vec = &req->headers.entries[if_modified_since_header_index].value;
struct tm ims_tm, *last_modified_tm;
if (h2o_time_parse_rfc1123(ims_vec->base, ims_vec->len, &ims_tm) == 0) {
last_modified_tm = h2o_filecache_get_last_modified(generator->file.ref, NULL);
if (!tm_is_lessthan(&ims_tm, last_modified_tm))
goto NotModified;
}
}
/* obtain mime type */
if (mime_type->type == H2O_MIMEMAP_TYPE_DYNAMIC) {
do_close(&generator->super, req);
return delegate_dynamic_request(req, req->path_normalized.len, rpath, rpath_len, mime_type);
}
assert(mime_type->type == H2O_MIMEMAP_TYPE_MIMETYPE);
/* only allow GET or POST for static files */
if (method_type == METHOD_IS_OTHER) {
do_close(&generator->super, req);
send_method_not_allowed(req);
return 0;
}
/* if-range */
if ((range_header_index = h2o_find_header(&req->headers, H2O_TOKEN_RANGE, SIZE_MAX)) != -1) {
h2o_iovec_t *range = &req->headers.entries[range_header_index].value;
size_t *range_infos, range_count;
range_infos = process_range(&req->pool, range, generator->bytesleft, &range_count);
if (range_infos == NULL) {
h2o_iovec_t content_range;
content_range.base = h2o_mem_alloc_pool(&req->pool, 32);
content_range.len = sprintf(content_range.base, "bytes */%zu", generator->bytesleft);
h2o_add_header(&req->pool, &req->res.headers, H2O_TOKEN_CONTENT_RANGE, content_range.base, content_range.len);
h2o_send_error(req, 416, "Request Range Not Satisfiable", "requested range not satisfiable",
H2O_SEND_ERROR_KEEP_HEADERS);
goto Close;
}
generator->ranged.range_count = range_count;
generator->ranged.range_infos = range_infos;
generator->ranged.current_range = 0;
generator->ranged.filesize = generator->bytesleft;
/* set content-length according to range */
if (range_count == 1)
generator->bytesleft = range_infos[1];
else {
generator->ranged.mimetype = h2o_strdup(&req->pool, mime_type->data.mimetype.base, mime_type->data.mimetype.len);
size_t final_content_len = 0, size_tmp = 0, size_fixed_each_part, i;
generator->ranged.boundary.base = h2o_mem_alloc_pool(&req->pool, BOUNDARY_SIZE + 1);
generator->ranged.boundary.len = BOUNDARY_SIZE;
gen_rand_string(&generator->ranged.boundary);
i = generator->bytesleft;
while (i) {
i /= 10;
size_tmp++;
}
size_fixed_each_part = FIXED_PART_SIZE + mime_type->data.mimetype.len + size_tmp;
for (i = 0; i < range_count; i++) {
size_tmp = *range_infos++;
if (size_tmp == 0)
final_content_len++;
while (size_tmp) {
size_tmp /= 10;
final_content_len++;
}
size_tmp = *(range_infos - 1);
final_content_len += *range_infos;
size_tmp += *range_infos++ - 1;
if (size_tmp == 0)
final_content_len++;
while (size_tmp) {
size_tmp /= 10;
final_content_len++;
}
}
final_content_len += sizeof("\r\n--") - 1 + BOUNDARY_SIZE + sizeof("--\r\n") - 1 + size_fixed_each_part * range_count -
(sizeof("\r\n") - 1);
generator->bytesleft = final_content_len;
}
do_send_file(generator, req, 206, "Partial Content", mime_type->data.mimetype, &h2o_mime_attributes_as_is,
method_type == METHOD_IS_GET);
return 0;
}
/* return file */
do_send_file(generator, req, 200, "OK", mime_type->data.mimetype, &mime_type->data.attr, method_type == METHOD_IS_GET);
return 0;
NotModified:
req->res.status = 304;
req->res.reason = "Not Modified";
add_headers_unconditional(generator, req);
h2o_send_inline(req, NULL, 0);
Close:
do_close(&generator->super, req);
return 0;
}
