Merge b031bb6 into f6c39f4

cpr/CMakeLists.txt

@@ -16,6 +16,7 @@ add_library(${CPR_LIBRARIES}
     payload.cpp
     proxies.cpp
     session.cpp
+    timeout.cpp
     util.cpp
 
     # Header files (useful in IDEs)

cpr/session.cpp

@@ -126,7 +126,8 @@ void Session::Impl::SetHeader(const Header& header) {
 void Session::Impl::SetTimeout(const Timeout& timeout) {
     auto curl = curl_->handle;
     if (curl) {
-        curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, timeout.ms);
+        long milliseconds = timeout.Milliseconds();
+        curl_easy_setopt(curl, CURLOPT_TIMEOUT_MS, milliseconds);
     }
 }
 

cpr/timeout.cpp

@@ -0,0 +1,26 @@
+#include "cpr/timeout.h"
+
+#include <limits>
+#include <stdexcept>
+#include <string>
+#include <type_traits>
+
+namespace cpr {
+
+long Timeout::Milliseconds() const {
+    static_assert(std::is_same<std::chrono::milliseconds, decltype(ms)>::value,
+                  "Following casting expects milliseconds.");
+
+    if (ms.count() > std::numeric_limits<long>::max()) {
+        throw std::overflow_error("cpr::Timeout: timeout value overflow: " +
+                                  std::to_string(ms.count()) + " ms.");
+    }
+    if (ms.count() < std::numeric_limits<long>::min()) {
+        throw std::underflow_error("cpr::Timeout: timeout value underflow: " +
+                                   std::to_string(ms.count()) + " ms.");
+    }
+
+    return static_cast<long>(ms.count());
+}
+
+} // namespace cpr

include/cpr/timeout.h

@@ -1,15 +1,20 @@
 #ifndef CPR_TIMEOUT_H
 #define CPR_TIMEOUT_H
 
+#include <chrono>
 #include <cstdint>
 
 namespace cpr {
 
 class Timeout {
   public:
-    Timeout(const std::int32_t& timeout) : ms(timeout) {}
+    Timeout(const std::chrono::milliseconds& duration) : ms{duration} {}
+    Timeout(const std::int32_t& milliseconds)
+            : Timeout{std::chrono::milliseconds(milliseconds)} {}
 
-    std::int32_t ms;
+    long Milliseconds() const;
+
+    std::chrono::milliseconds ms;
 };
 
 } // namespace cpr