1 files changed, 97 insertions, 0 deletions
diff --git a/test/core/end2end/cq_verifier_uv.cc b/test/core/end2end/cq_verifier_uv.cc
new file mode 100644
index 0000000000..e23b3ae2a0
--- /dev/null
+++ b/test/core/end2end/cq_verifier_uv.cc
@@ -0,0 +1,97 @@
+/*
+ *
+ * Copyright 2016 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#ifdef GRPC_UV
+
+#include <uv.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "test/core/end2end/cq_verifier_internal.h"
+
+typedef enum timer_state {
+  TIMER_STARTED,
+  TIMER_TRIGGERED,
+  TIMER_CLOSED
+} timer_state;
+
+/* the verifier itself */
+struct cq_verifier {
+  /* bound completion queue */
+  grpc_completion_queue* cq;
+  /* start of expectation list */
+  expectation* first_expectation;
+  uv_timer_t timer;
+};
+
+cq_verifier* cq_verifier_create(grpc_completion_queue* cq) {
+  cq_verifier* v = static_cast<cq_verifier*>(gpr_malloc(sizeof(cq_verifier)));
+  v->cq = cq;
+  v->first_expectation = NULL;
+  uv_timer_init(uv_default_loop(), &v->timer);
+  v->timer.data = (void*)TIMER_STARTED;
+  return v;
+}
+
+static void timer_close_cb(uv_handle_t* handle) {
+  handle->data = (void*)TIMER_CLOSED;
+}
+
+void cq_verifier_destroy(cq_verifier* v) {
+  cq_verify(v);
+  uv_close((uv_handle_t*)&v->timer, timer_close_cb);
+  while (reinterpret_cast<timer_state>(v->timer.data) != TIMER_CLOSED) {
+    uv_run(uv_default_loop(), UV_RUN_NOWAIT);
+  }
+  gpr_free(v);
+}
+
+expectation* cq_verifier_get_first_expectation(cq_verifier* v) {
+  return v->first_expectation;
+}
+
+void cq_verifier_set_first_expectation(cq_verifier* v, expectation* e) {
+  v->first_expectation = e;
+}
+
+static void timer_run_cb(uv_timer_t* timer) {
+  timer->data = (void*)TIMER_TRIGGERED;
+}
+
+grpc_event cq_verifier_next_event(cq_verifier* v, int timeout_seconds) {
+  uint64_t timeout_ms =
+      timeout_seconds < 0 ? 0 : (uint64_t)timeout_seconds * 1000;
+  grpc_event ev;
+  v->timer.data = (void*)TIMER_STARTED;
+  uv_timer_start(&v->timer, timer_run_cb, timeout_ms, 0);
+  ev = grpc_completion_queue_next(v->cq, gpr_inf_past(GPR_CLOCK_MONOTONIC),
+                                  NULL);
+  // Stop the loop if the timer goes off or we get a non-timeout event
+  while ((reinterpret_cast<timer_state>(v->timer.data) != TIMER_TRIGGERED) &&
+         ev.type == GRPC_QUEUE_TIMEOUT) {
+    uv_run(uv_default_loop(), UV_RUN_ONCE);
+    ev = grpc_completion_queue_next(v->cq, gpr_inf_past(GPR_CLOCK_MONOTONIC),
+                                    NULL);
+  }
+  return ev;
+}
+
+#endif /* GRPC_UV */