Add heartbeat cpp bindings

cpp/src/heartbeat.cpp

@@ -0,0 +1,48 @@
+// Jackson Coxson
+
+#include <idevice++/bindings.hpp>
+#include <idevice++/ffi.hpp>
+#include <idevice++/heartbeat.hpp>
+#include <idevice++/provider.hpp>
+#include <sys/_types/_u_int64_t.h>
+
+namespace IdeviceFFI {
+
+Result<Heartbeat, FfiError> Heartbeat::connect(Provider& provider) {
+    HeartbeatClientHandle* out = nullptr;
+    FfiError               e(::heartbeat_connect(provider.raw(), &out));
+    if (e) {
+        provider.release();
+        return Err(e);
+    }
+    return Ok(Heartbeat::adopt(out));
+}
+
+Result<Heartbeat, FfiError> Heartbeat::from_socket(Idevice&& socket) {
+    HeartbeatClientHandle* out = nullptr;
+    FfiError               e(::heartbeat_new(socket.raw(), &out));
+    if (e) {
+        return Err(e);
+    }
+    socket.release();
+    return Ok(Heartbeat::adopt(out));
+}
+
+Result<void, FfiError> Heartbeat::send_polo() {
+    FfiError e(::heartbeat_send_polo(handle_.get()));
+    if (e) {
+        return Err(e);
+    }
+    return Ok();
+}
+
+Result<u_int64_t, FfiError> Heartbeat::get_marco(u_int64_t interval) {
+    u_int64_t new_interval = 0;
+    FfiError  e(::heartbeat_get_marco(handle_.get(), interval, &new_interval));
+    if (e) {
+        return Err(e);
+    }
+    return Ok(new_interval);
+}
+
+} // namespace IdeviceFFI