Renamed engine to core.

Added focus to WindowDownloadList.


git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@249 e378c898-3ddf-0310-93e7-cc216c733640

src/core/curl_get.cc

@@ -0,0 +1,128 @@
+#include "config.h"
+
+#include <ostream>
+#include <curl/curl.h>
+#include <curl/easy.h>
+#include <torrent/exceptions.h>
+
+#include "curl_get.h"
+#include "curl_stack.h"
+
+namespace core {
+
+CurlGet::~CurlGet() {
+  close();
+}
+
+CurlGet::CurlGet(CurlStack* s) :
+  m_useragent("rtorrent_unknown"),
+  m_out(NULL),
+  m_handle(NULL),
+  m_stack(s) {
+
+  if (m_stack == NULL)
+    throw torrent::client_error("Tried to create CurlGet without a valid CurlStack");
+}
+
+CurlGet*
+CurlGet::new_object(CurlStack* s) {
+  return new CurlGet(s);
+}
+
+void
+CurlGet::set_url(const std::string& url) {
+  if (is_busy())
+    throw torrent::local_error("Tried to call CurlGet::set_url on a busy object");
+
+  m_url = url;
+}
+
+const std::string&
+CurlGet::get_url() const {
+  return m_url;
+}
+
+void
+CurlGet::set_out(std::ostream* out) {
+  if (is_busy())
+    throw torrent::local_error("Tried to call CurlGet::set_url on a busy object");
+
+  m_out = out;
+}
+
+std::ostream*
+CurlGet::get_out() {
+  return m_out;
+}
+
+void
+CurlGet::set_user_agent(const std::string& s) {
+  curl_easy_setopt(m_handle, CURLOPT_USERAGENT, s.c_str());
+
+  m_useragent = s;
+}
+
+const std::string&
+CurlGet::get_user_agent() {
+  return m_useragent;
+}
+
+void
+CurlGet::start() {
+  if (is_busy())
+    throw torrent::local_error("Tried to call CurlGet::start on a busy object");
+
+  if (m_out == NULL)
+    throw torrent::local_error("Tried to call CurlGet::start without a valid output stream");
+
+  m_handle = curl_easy_init();
+
+  curl_easy_setopt(m_handle, CURLOPT_URL,           m_url.c_str());
+  curl_easy_setopt(m_handle, CURLOPT_WRITEFUNCTION, &curl_get_receive_write);
+  curl_easy_setopt(m_handle, CURLOPT_WRITEDATA,     this);
+  curl_easy_setopt(m_handle, CURLOPT_FORBID_REUSE,  1);
+
+  m_stack->add_get(this);
+}
+
+void
+CurlGet::close() {
+  if (!is_busy())
+    return;
+
+  m_stack->remove_get(this);
+
+  curl_easy_cleanup(m_handle);
+
+  m_handle = NULL;
+}
+
+void
+CurlGet::perform(CURLMsg* msg) {
+  if (msg->msg != CURLMSG_DONE)
+    throw torrent::client_error("CurlGet::process got CURLMSG that isn't done");
+
+  if (msg->data.result == CURLE_OK) {
+    m_done.emit();
+
+  } else {
+    m_failed.emit(curl_easy_strerror(msg->data.result));
+  }
+}
+
+size_t
+curl_get_receive_write(void* data, size_t size, size_t nmemb, void* handle) {
+  return ((CurlGet*)handle)->m_out->write((char*)data, size * nmemb).fail() ? 0 : size * nmemb;
+}
+
+CurlGet::SignalDone&
+CurlGet::signal_done() {
+  return m_done;
+}
+
+CurlGet::SignalFailed&
+CurlGet::signal_failed() {
+  return m_failed;
+}
+
+}