Merge pull request #13147 from yashykt/testc++ize

Convert test/core to C++

1 files changed, 123 insertions, 0 deletions

diff --git a/test/core/end2end/fuzzers/server_fuzzer.cc b/test/core/end2end/fuzzers/server_fuzzer.cc
new file mode 100644
index 0000000000..87bccc70cd
--- /dev/null
+++ b/test/core/end2end/fuzzers/server_fuzzer.cc
@@ -0,0 +1,123 @@
+/*
+ *
+ * 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/grpc.h>
+
+#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h"
+#include "src/core/lib/iomgr/executor.h"
+#include "src/core/lib/slice/slice_internal.h"
+#include "src/core/lib/surface/server.h"
+#include "test/core/util/memory_counters.h"
+#include "test/core/util/mock_endpoint.h"
+
+bool squelch = true;
+bool leak_check = true;
+
+static void discard_write(grpc_slice slice) {}
+
+static void* tag(int n) { return (void*)(uintptr_t)n; }
+static int detag(void* p) { return (int)(uintptr_t)p; }
+
+static void dont_log(gpr_log_func_args* args) {}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  grpc_test_only_set_slice_hash_seed(0);
+  struct grpc_memory_counters counters;
+  if (squelch) gpr_set_log_function(dont_log);
+  if (leak_check) grpc_memory_counters_init();
+  grpc_init();
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_executor_set_threading(&exec_ctx, false);
+
+  grpc_resource_quota* resource_quota =
+      grpc_resource_quota_create("server_fuzzer");
+  grpc_endpoint* mock_endpoint =
+      grpc_mock_endpoint_create(discard_write, resource_quota);
+  grpc_resource_quota_unref_internal(&exec_ctx, resource_quota);
+  grpc_mock_endpoint_put_read(
+      &exec_ctx, mock_endpoint,
+      grpc_slice_from_copied_buffer((const char*)data, size));
+
+  grpc_server* server = grpc_server_create(NULL, NULL);
+  grpc_completion_queue* cq = grpc_completion_queue_create_for_next(NULL);
+  grpc_server_register_completion_queue(server, cq, NULL);
+  // TODO(ctiller): add registered methods (one for POST, one for PUT)
+  // void *registered_method =
+  //    grpc_server_register_method(server, "/reg", NULL, 0);
+  grpc_server_start(server);
+  grpc_transport* transport =
+      grpc_create_chttp2_transport(&exec_ctx, NULL, mock_endpoint, 0);
+  grpc_server_setup_transport(&exec_ctx, server, transport, NULL, NULL);
+  grpc_chttp2_transport_start_reading(&exec_ctx, transport, NULL);
+
+  grpc_call* call1 = NULL;
+  grpc_call_details call_details1;
+  grpc_metadata_array request_metadata1;
+  grpc_call_details_init(&call_details1);
+  grpc_metadata_array_init(&request_metadata1);
+  int requested_calls = 0;
+
+  GPR_ASSERT(GRPC_CALL_OK ==
+             grpc_server_request_call(server, &call1, &call_details1,
+                                      &request_metadata1, cq, cq, tag(1)));
+  requested_calls++;
+
+  grpc_event ev;
+  while (1) {
+    grpc_exec_ctx_flush(&exec_ctx);
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    switch (ev.type) {
+      case GRPC_QUEUE_TIMEOUT:
+        goto done;
+      case GRPC_QUEUE_SHUTDOWN:
+        break;
+      case GRPC_OP_COMPLETE:
+        switch (detag(ev.tag)) {
+          case 1:
+            requested_calls--;
+            // TODO(ctiller): keep reading that call!
+            break;
+        }
+    }
+  }
+
+done:
+  if (call1 != NULL) grpc_call_unref(call1);
+  grpc_call_details_destroy(&call_details1);
+  grpc_metadata_array_destroy(&request_metadata1);
+  grpc_server_shutdown_and_notify(server, cq, tag(0xdead));
+  grpc_server_cancel_all_calls(server);
+  for (int i = 0; i <= requested_calls; i++) {
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
+  }
+  grpc_completion_queue_shutdown(cq);
+  for (int i = 0; i <= requested_calls; i++) {
+    ev = grpc_completion_queue_next(cq, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+    GPR_ASSERT(ev.type == GRPC_QUEUE_SHUTDOWN);
+  }
+  grpc_server_destroy(server);
+  grpc_completion_queue_destroy(cq);
+  grpc_shutdown();
+  if (leak_check) {
+    counters = grpc_memory_counters_snapshot();
+    grpc_memory_counters_destroy();
+    GPR_ASSERT(counters.total_size_relative == 0);
+  }
+  return 0;
+}