void PageCache::ReadClosure::complete() {
std::unique_lock<std::mutex> lock(p_cache->p_mutex);
PageInfo *info = p_cache->p_presentPages.at(p_pageNumber);
char *buffer = info->p_buffer;
lock.unlock(); // NOTE: unlock before entering callbacks
p_callback(buffer);
delete this;
}
static const char *url_execute(const char *p_url, MCUrlExecuteCallback p_callback, void *p_state)
{
const char *t_error;
t_error = NULL;
bool t_is_http, t_is_https;
t_is_http = strncmp(p_url, "http", 4) == 0;
t_is_https = strncmp(p_url, "https", 5) == 0;
curl_slist *t_headers;
t_headers = NULL;
if (t_error == NULL && MChttpheaders != NULL && t_is_http)
{
if (!url_build_header_list(MChttpheaders, t_headers))
t_error = "couldn't build header list";
}
CURL *t_url_handle;
t_url_handle = NULL;
if (t_error == NULL)
{
t_url_handle = curl_easy_init();
if (t_url_handle == NULL)
t_error = "couldn't create handle";
}
if (t_error == NULL)
{
if (curl_easy_setopt(t_url_handle, CURLOPT_URL, p_url) != CURLE_OK)
t_error = "couldn't set url";
}
if (t_error == NULL)
{
if (curl_easy_setopt(t_url_handle, CURLOPT_WRITEFUNCTION, url_write_callback) != CURLE_OK)
t_error = "couldn't set callback";
}
if (t_error == NULL && t_headers != NULL)
{
if (curl_easy_setopt(t_url_handle, CURLOPT_HTTPHEADER, t_headers) != CURLE_OK)
t_error = "couldn't set headers";
}
if (t_error == NULL && t_is_https)
{
if (curl_easy_setopt(t_url_handle, CURLOPT_SSL_VERIFYPEER, 1) != CURLE_OK ||
curl_easy_setopt(t_url_handle, CURLOPT_SSL_VERIFYHOST, 2) != CURLE_OK ||
(MCsslcertificates != NULL && curl_easy_setopt(t_url_handle, CURLOPT_CAINFO, MCsslcertificates) != CURLE_OK))
t_error = "couldn't configure ssl";
}
if (t_error == NULL)
{
#if LIBCURL_VERSION_MINOR >= 19
if (curl_easy_setopt(t_url_handle, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS) != CURLE_OK ||
curl_easy_setopt(t_url_handle, CURLOPT_FOLLOWLOCATION, 1) != CURLE_OK)
t_error = "couldn't configure follow";
#endif
}
// MM-2011-07-07: Added support for specifying which network interface to use.
if (t_error == NULL)
{
if (MCdefaultnetworkinterface != NULL)
if (curl_easy_setopt(t_url_handle, CURLOPT_INTERFACE, MCdefaultnetworkinterface) != CURLE_OK)
t_error = "couldn't set network interface";
}
if (t_error == NULL && p_callback != NULL)
t_error = p_callback(p_state, t_url_handle);
if (t_error == NULL)
{
char t_error_buffer[CURL_ERROR_SIZE];
curl_easy_setopt(t_url_handle, CURLOPT_ERRORBUFFER, t_error_buffer);
MCurlresult -> clear();
MCresult -> clear();
if (curl_easy_perform(t_url_handle) == CURLE_OK)
{
if (t_is_http)
{
long t_code;
if (curl_easy_getinfo(t_url_handle, CURLINFO_RESPONSE_CODE, &t_code) == CURLE_OK)
{
if (t_code != 200)
{
static char t_error_str[64];
sprintf(t_error_str, "error %ld", t_code);
MCresult -> copysvalue(t_error_str);
}
}
else
t_error = "couldn't fetch response code";
}
}
else
{
static char t_error_str[CURL_ERROR_SIZE + 64];
sprintf(t_error_str, "error %s", t_error_buffer);
MCresult -> copysvalue(t_error_str);
}
}
if (t_error == NULL && t_is_http)
{
}
if (t_url_handle != NULL)
curl_easy_cleanup(t_url_handle);
if (t_headers != NULL)
curl_slist_free_all(t_headers);
return t_error;
}
