Merge github.com:grpc/grpc into pid_ctl

1 files changed, 112 insertions, 0 deletions

diff --git a/test/core/end2end/cq_verifier_uv.c b/test/core/end2end/cq_verifier_uv.c
new file mode 100644
index 0000000000..2b5a2ca495
--- /dev/null
+++ b/test/core/end2end/cq_verifier_uv.c
@@ -0,0 +1,112 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#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 = 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 ((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 (((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 */