refactor

repertory/librepertory/include/comm/curl/curl_comm.hpp

@@ -23,7 +23,7 @@
 #define REPERTORY_INCLUDE_COMM_CURL_CURL_COMM_HPP_
 
 #include "app_config.hpp"
-#include "comm/curl/dns_cache.hpp"
+#include "comm/curl/curl_shared.hpp"
 #include "comm/curl/multi_request.hpp"
 #include "comm/i_http_comm.hpp"
 #include "events/event_system.hpp"
@@ -211,7 +211,7 @@ public:
         curl_easy_setopt(curl, CURLOPT_HTTPHEADER, header_list);
       }
 
-      dns_cache::set_cache(curl);
+      curl_shared::set_cache(curl);
 
       auto url = construct_url(curl, request.get_path(), cfg) + parameters;
       curl_easy_setopt(curl, CURLOPT_URL, url.c_str());

repertory/librepertory/include/comm/curl/curl_shared.hpp

@@ -19,11 +19,11 @@
   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   SOFTWARE.
 */
-#ifndef REPERTORY_INCLUDE_COMM_CURL_DNS_CACHE_HPP_
-#define REPERTORY_INCLUDE_COMM_CURL_DNS_CACHE_HPP_
+#ifndef REPERTORY_INCLUDE_COMM_CURL_CURL_SHARED_HPP_
+#define REPERTORY_INCLUDE_COMM_CURL_CURL_SHARED_HPP_
 
 namespace repertory {
-class dns_cache final {
+class curl_shared final {
 private:
   struct curl_sh_deleter final {
     void operator()(CURLSH *ptr) {
@@ -36,13 +36,13 @@ private:
   using curl_sh_t = std::unique_ptr<CURLSH, curl_sh_deleter>;
 
 public:
-  dns_cache() = delete;
-  dns_cache(const dns_cache &) = delete;
-  dns_cache(dns_cache &&) = delete;
-  ~dns_cache() = delete;
+  curl_shared() = delete;
+  curl_shared(const curl_shared &) = delete;
+  curl_shared(curl_shared &&) = delete;
+  ~curl_shared() = delete;
 
-  auto operator=(const dns_cache &) -> dns_cache & = delete;
-  auto operator=(dns_cache &&) -> dns_cache & = delete;
+  auto operator=(const curl_shared &) -> curl_shared & = delete;
+  auto operator=(curl_shared &&) -> curl_shared & = delete;
 
 private:
   static curl_sh_t cache_;
@@ -58,7 +58,7 @@ private:
 public:
   static void cleanup();
 
-  static void init();
+  [[nodiscard]] static auto init() -> bool;
 
   static void set_cache(CURL *curl);
 };

repertory/librepertory/src/comm/curl/curl_shared.cpp

@@ -19,29 +19,40 @@
   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   SOFTWARE.
 */
-#include "comm/curl/dns_cache.hpp"
+#include "comm/curl/curl_shared.hpp"
 
 namespace repertory {
-dns_cache::curl_sh_t dns_cache::cache_;
+curl_shared::curl_sh_t curl_shared::cache_;
 
-std::recursive_mutex dns_cache::mtx_;
+std::recursive_mutex curl_shared::mtx_;
 
-void dns_cache::cleanup() { cache_.reset(nullptr); }
+void curl_shared::cleanup() {
+  cache_.reset(nullptr);
+  curl_global_cleanup();
+}
+
+auto curl_shared::init() -> bool {
+  auto res = curl_global_init(CURL_GLOBAL_ALL);
+  if (res != 0) {
+    return false;
+  }
 
-void dns_cache::init() {
   auto *cache = curl_share_init();
   if (cache == nullptr) {
-    return;
+    curl_global_cleanup();
+    return false;
   }
   cache_.reset(cache);
 
   curl_share_setopt(cache, CURLSHOPT_SHARE, CURL_LOCK_DATA_DNS);
   curl_share_setopt(cache, CURLSHOPT_LOCKFUNC, lock_callback);
   curl_share_setopt(cache, CURLSHOPT_UNLOCKFUNC, unlock_callback);
+  return true;
 }
 
-void dns_cache::lock_callback(CURL * /* curl */, curl_lock_data data,
-                              curl_lock_access /* access */, void * /* ptr */) {
+void curl_shared::lock_callback(CURL * /* curl */, curl_lock_data data,
+                                curl_lock_access /* access */,
+                                void * /* ptr */) {
   if (data != CURL_LOCK_DATA_DNS) {
     return;
   }
@@ -49,13 +60,13 @@ void dns_cache::lock_callback(CURL * /* curl */, curl_lock_data data,
   mtx_.lock();
 }
 
-void dns_cache::set_cache(CURL *curl) {
+void curl_shared::set_cache(CURL *curl) {
   curl_easy_setopt(curl, CURLOPT_SHARE, cache_.get());
 }
 
-void dns_cache::unlock_callback(CURL * /* curl */, curl_lock_data data,
-                                curl_lock_access /* access */,
-                                void * /* ptr */) {
+void curl_shared::unlock_callback(CURL * /* curl */, curl_lock_data data,
+                                  curl_lock_access /* access */,
+                                  void * /* ptr */) {
   if (data != CURL_LOCK_DATA_DNS) {
     return;
   }

repertory/librepertory/src/initialize.cpp

@@ -19,10 +19,6 @@
   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   SOFTWARE.
 */
-#if defined(PROJECT_ENABLE_CURL)
-#include <curl/curl.h>
-#endif // defined(PROJECT_ENABLE_CURL)
-
 #if defined(PROJECT_ENABLE_OPENSSL)
 #include <openssl/ssl.h>
 #endif // defined(PROJECT_ENABLE_OPENSSL)
@@ -49,7 +45,7 @@
 #endif // defined(PROJECT_REQUIRE_ALPINE) && !defined (PROJECT_IS_MINGW)
 
 #if defined(PROJECT_ENABLE_CURL)
-#include "comm/curl/dns_cache.hpp"
+#include "comm/curl/curl_shared.hpp"
 #endif // defined(PROJECT_ENABLE_CURL)
 
 namespace repertory {
@@ -87,13 +83,8 @@ auto project_initialize() -> bool {
 #endif // defined(PROJECT_ENABLE_OPENSSL)
 
 #if defined(PROJECT_ENABLE_CURL)
-  {
-    auto res = curl_global_init(CURL_GLOBAL_ALL);
-    if (res != 0) {
-      return false;
-    }
-
-    dns_cache::init();
+  if (not curl_shared::init()) {
+    return false;
   }
 #endif // defined(PROJECT_ENABLE_CURL)
 
@@ -102,8 +93,7 @@ auto project_initialize() -> bool {
     auto res = sqlite3_initialize();
     if (res != SQLITE_OK) {
 #if defined(PROJECT_ENABLE_CURL)
-      dns_cache::cleanup();
-      curl_global_cleanup();
+      curl_shared::cleanup();
 #endif // defined(PROJECT_ENABLE_CURL)
       return false;
     }
@@ -115,8 +105,7 @@ auto project_initialize() -> bool {
 
 void project_cleanup() {
 #if defined(PROJECT_ENABLE_CURL)
-  dns_cache::cleanup();
-  curl_global_cleanup();
+  curl_shared::cleanup();
 #endif // defined(PROJECT_ENABLE_CURL)
 
 #if defined(PROJECT_ENABLE_SQLITE)