rename all test core files to cc and a lot of C++ style conversions

1 files changed, 359 insertions, 0 deletions

diff --git a/test/core/end2end/goaway_server_test.cc b/test/core/end2end/goaway_server_test.cc
new file mode 100644
index 0000000000..c0d7fb81b5
--- /dev/null
+++ b/test/core/end2end/goaway_server_test.cc
@@ -0,0 +1,359 @@
+/*
+ *
+ * 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.
+ *
+ */
+
+/* With the addition of a libuv endpoint, sockaddr.h now includes uv.h when
+   using that endpoint. Because of various transitive includes in uv.h,
+   including windows.h on Windows, uv.h must be included before other system
+   headers. Therefore, sockaddr.h must always be included first */
+#include "src/core/lib/iomgr/sockaddr.h"
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <string.h>
+#include "src/core/ext/filters/client_channel/lb_policy_factory.h"
+#include "src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/sockaddr.h"
+#include "test/core/end2end/cq_verifier.h"
+#include "test/core/util/port.h"
+#include "test/core/util/test_config.h"
+
+static void *tag(intptr_t i) { return (void *)i; }
+
+static gpr_mu g_mu;
+static int g_resolve_port = -1;
+static void (*iomgr_resolve_address)(grpc_exec_ctx *exec_ctx, const char *addr,
+                                     const char *default_port,
+                                     grpc_pollset_set *interested_parties,
+                                     grpc_closure *on_done,
+                                     grpc_resolved_addresses **addresses);
+
+static grpc_ares_request *(*iomgr_dns_lookup_ares)(
+    grpc_exec_ctx *exec_ctx, const char *dns_server, const char *addr,
+    const char *default_port, grpc_pollset_set *interested_parties,
+    grpc_closure *on_done, grpc_lb_addresses **addresses, bool check_grpclb,
+    char **service_config_json);
+
+static void set_resolve_port(int port) {
+  gpr_mu_lock(&g_mu);
+  g_resolve_port = port;
+  gpr_mu_unlock(&g_mu);
+}
+
+static void my_resolve_address(grpc_exec_ctx *exec_ctx, const char *addr,
+                               const char *default_port,
+                               grpc_pollset_set *interested_parties,
+                               grpc_closure *on_done,
+                               grpc_resolved_addresses **addrs) {
+  if (0 != strcmp(addr, "test")) {
+    iomgr_resolve_address(exec_ctx, addr, default_port, interested_parties,
+                          on_done, addrs);
+    return;
+  }
+
+  grpc_error *error = GRPC_ERROR_NONE;
+  gpr_mu_lock(&g_mu);
+  if (g_resolve_port < 0) {
+    gpr_mu_unlock(&g_mu);
+    error = GRPC_ERROR_CREATE_FROM_STATIC_STRING("Forced Failure");
+  } else {
+    *addrs =
+        static_cast<grpc_resolved_addresses *>(gpr_malloc(sizeof(**addrs)));
+    (*addrs)->naddrs = 1;
+    (*addrs)->addrs = static_cast<grpc_resolved_address *>(
+        gpr_malloc(sizeof(*(*addrs)->addrs)));
+    memset((*addrs)->addrs, 0, sizeof(*(*addrs)->addrs));
+    struct sockaddr_in *sa = (struct sockaddr_in *)(*addrs)->addrs[0].addr;
+    sa->sin_family = AF_INET;
+    sa->sin_addr.s_addr = htonl(0x7f000001);
+    sa->sin_port = htons((uint16_t)g_resolve_port);
+    (*addrs)->addrs[0].len = sizeof(*sa);
+    gpr_mu_unlock(&g_mu);
+  }
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, error);
+}
+
+static grpc_ares_request *my_dns_lookup_ares(
+    grpc_exec_ctx *exec_ctx, const char *dns_server, const char *addr,
+    const char *default_port, grpc_pollset_set *interested_parties,
+    grpc_closure *on_done, grpc_lb_addresses **lb_addrs, bool check_grpclb,
+    char **service_config_json) {
+  if (0 != strcmp(addr, "test")) {
+    return iomgr_dns_lookup_ares(exec_ctx, dns_server, addr, default_port,
+                                 interested_parties, on_done, lb_addrs,
+                                 check_grpclb, service_config_json);
+  }
+
+  grpc_error *error = GRPC_ERROR_NONE;
+  gpr_mu_lock(&g_mu);
+  if (g_resolve_port < 0) {
+    gpr_mu_unlock(&g_mu);
+    error = GRPC_ERROR_CREATE_FROM_STATIC_STRING("Forced Failure");
+  } else {
+    *lb_addrs = grpc_lb_addresses_create(1, NULL);
+    struct sockaddr_in *sa = static_cast<struct sockaddr_in *>(
+        gpr_zalloc(sizeof(struct sockaddr_in)));
+    sa->sin_family = AF_INET;
+    sa->sin_addr.s_addr = htonl(0x7f000001);
+    sa->sin_port = htons((uint16_t)g_resolve_port);
+    grpc_lb_addresses_set_address(*lb_addrs, 0, sa, sizeof(*sa), false, NULL,
+                                  NULL);
+    gpr_free(sa);
+    gpr_mu_unlock(&g_mu);
+  }
+  GRPC_CLOSURE_SCHED(exec_ctx, on_done, error);
+  return NULL;
+}
+
+int main(int argc, char **argv) {
+  grpc_completion_queue *cq;
+  cq_verifier *cqv;
+  grpc_op ops[6];
+  grpc_op *op;
+
+  grpc_test_init(argc, argv);
+
+  gpr_mu_init(&g_mu);
+  grpc_init();
+  iomgr_resolve_address = grpc_resolve_address;
+  iomgr_dns_lookup_ares = grpc_dns_lookup_ares;
+  grpc_resolve_address = my_resolve_address;
+  grpc_dns_lookup_ares = my_dns_lookup_ares;
+
+  int was_cancelled1;
+  int was_cancelled2;
+
+  grpc_metadata_array trailing_metadata_recv1;
+  grpc_metadata_array request_metadata1;
+  grpc_call_details request_details1;
+  grpc_status_code status1;
+  grpc_slice details1;
+  grpc_metadata_array_init(&trailing_metadata_recv1);
+  grpc_metadata_array_init(&request_metadata1);
+  grpc_call_details_init(&request_details1);
+
+  grpc_metadata_array trailing_metadata_recv2;
+  grpc_metadata_array request_metadata2;
+  grpc_call_details request_details2;
+  grpc_status_code status2;
+  grpc_slice details2;
+  grpc_metadata_array_init(&trailing_metadata_recv2);
+  grpc_metadata_array_init(&request_metadata2);
+  grpc_call_details_init(&request_details2);
+
+  cq = grpc_completion_queue_create_for_next(NULL);
+  cqv = cq_verifier_create(cq);
+
+  /* reserve two ports */
+  int port1 = grpc_pick_unused_port_or_die();
+  int port2 = grpc_pick_unused_port_or_die();
+
+  char *addr;
+
+  grpc_channel_args client_args;
+  grpc_arg arg_array[1];
+  arg_array[0].type = GRPC_ARG_INTEGER;
+  arg_array[0].key =
+      const_cast<char *>("grpc.testing.fixed_reconnect_backoff_ms");
+  arg_array[0].value.integer = 1000;
+  client_args.args = arg_array;
+  client_args.num_args = 1;
+
+  /* create a channel that picks first amongst the servers */
+  grpc_channel *chan = grpc_insecure_channel_create("test", &client_args, NULL);
+  /* and an initial call to them */
+  grpc_slice host = grpc_slice_from_static_string("127.0.0.1");
+  grpc_call *call1 =
+      grpc_channel_create_call(chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq,
+                               grpc_slice_from_static_string("/foo"), &host,
+                               grpc_timeout_seconds_to_deadline(20), NULL);
+  /* send initial metadata to probe connectivity */
+  memset(ops, 0, sizeof(ops));
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call1, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x101), NULL));
+  /* and receive status to probe termination */
+  memset(ops, 0, sizeof(ops));
+  op = ops;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv1;
+  op->data.recv_status_on_client.status = &status1;
+  op->data.recv_status_on_client.status_details = &details1;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call1, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x102), NULL));
+
+  /* bring a server up on the first port */
+  grpc_server *server1 = grpc_server_create(NULL, NULL);
+  gpr_asprintf(&addr, "127.0.0.1:%d", port1);
+  grpc_server_add_insecure_http2_port(server1, addr);
+  grpc_server_register_completion_queue(server1, cq, NULL);
+  gpr_free(addr);
+  grpc_server_start(server1);
+
+  /* request a call to the server */
+  grpc_call *server_call1;
+  GPR_ASSERT(GRPC_CALL_OK ==
+             grpc_server_request_call(server1, &server_call1, &request_details1,
+                                      &request_metadata1, cq, cq, tag(0x301)));
+
+  set_resolve_port(port1);
+
+  /* first call should now start */
+  CQ_EXPECT_COMPLETION(cqv, tag(0x101), 1);
+  CQ_EXPECT_COMPLETION(cqv, tag(0x301), 1);
+  cq_verify(cqv);
+
+  GPR_ASSERT(GRPC_CHANNEL_READY ==
+             grpc_channel_check_connectivity_state(chan, 0));
+  grpc_channel_watch_connectivity_state(chan, GRPC_CHANNEL_READY,
+                                        gpr_inf_future(GPR_CLOCK_REALTIME), cq,
+                                        tag(0x9999));
+
+  /* listen for close on the server call to probe for finishing */
+  memset(ops, 0, sizeof(ops));
+  op = ops;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled1;
+  op->flags = 0;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(server_call1, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x302), NULL));
+
+  /* shutdown first server:
+   * we should see a connectivity change and then nothing */
+  set_resolve_port(-1);
+  grpc_server_shutdown_and_notify(server1, cq, tag(0xdead1));
+  CQ_EXPECT_COMPLETION(cqv, tag(0x9999), 1);
+  cq_verify(cqv);
+  cq_verify_empty(cqv);
+
+  /* and a new call: should go through to server2 when we start it */
+  grpc_call *call2 =
+      grpc_channel_create_call(chan, NULL, GRPC_PROPAGATE_DEFAULTS, cq,
+                               grpc_slice_from_static_string("/foo"), &host,
+                               grpc_timeout_seconds_to_deadline(20), NULL);
+  /* send initial metadata to probe connectivity */
+  memset(ops, 0, sizeof(ops));
+  op = ops;
+  op->op = GRPC_OP_SEND_INITIAL_METADATA;
+  op->data.send_initial_metadata.count = 0;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call2, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x201), NULL));
+  /* and receive status to probe termination */
+  memset(ops, 0, sizeof(ops));
+  op = ops;
+  op->op = GRPC_OP_RECV_STATUS_ON_CLIENT;
+  op->data.recv_status_on_client.trailing_metadata = &trailing_metadata_recv2;
+  op->data.recv_status_on_client.status = &status2;
+  op->data.recv_status_on_client.status_details = &details2;
+  op->flags = 0;
+  op->reserved = NULL;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(call2, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x202), NULL));
+
+  /* and bring up second server */
+  set_resolve_port(port2);
+  grpc_server *server2 = grpc_server_create(NULL, NULL);
+  gpr_asprintf(&addr, "127.0.0.1:%d", port2);
+  grpc_server_add_insecure_http2_port(server2, addr);
+  grpc_server_register_completion_queue(server2, cq, NULL);
+  gpr_free(addr);
+  grpc_server_start(server2);
+
+  /* request a call to the server */
+  grpc_call *server_call2;
+  GPR_ASSERT(GRPC_CALL_OK ==
+             grpc_server_request_call(server2, &server_call2, &request_details2,
+                                      &request_metadata2, cq, cq, tag(0x401)));
+
+  /* second call should now start */
+  CQ_EXPECT_COMPLETION(cqv, tag(0x201), 1);
+  CQ_EXPECT_COMPLETION(cqv, tag(0x401), 1);
+  cq_verify(cqv);
+
+  /* listen for close on the server call to probe for finishing */
+  memset(ops, 0, sizeof(ops));
+  op = ops;
+  op->op = GRPC_OP_RECV_CLOSE_ON_SERVER;
+  op->data.recv_close_on_server.cancelled = &was_cancelled2;
+  op->flags = 0;
+  op++;
+  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(server_call2, ops,
+                                                   (size_t)(op - ops),
+                                                   tag(0x402), NULL));
+
+  /* shutdown second server: we should see nothing */
+  grpc_server_shutdown_and_notify(server2, cq, tag(0xdead2));
+  cq_verify_empty(cqv);
+
+  grpc_call_cancel(call1, NULL);
+  grpc_call_cancel(call2, NULL);
+
+  /* now everything else should finish */
+  CQ_EXPECT_COMPLETION(cqv, tag(0x102), 1);
+  CQ_EXPECT_COMPLETION(cqv, tag(0x202), 1);
+  CQ_EXPECT_COMPLETION(cqv, tag(0x302), 1);
+  CQ_EXPECT_COMPLETION(cqv, tag(0x402), 1);
+  CQ_EXPECT_COMPLETION(cqv, tag(0xdead1), 1);
+  CQ_EXPECT_COMPLETION(cqv, tag(0xdead2), 1);
+  cq_verify(cqv);
+
+  grpc_call_unref(call1);
+  grpc_call_unref(call2);
+  grpc_call_unref(server_call1);
+  grpc_call_unref(server_call2);
+  grpc_server_destroy(server1);
+  grpc_server_destroy(server2);
+  grpc_channel_destroy(chan);
+
+  grpc_metadata_array_destroy(&trailing_metadata_recv1);
+  grpc_metadata_array_destroy(&request_metadata1);
+  grpc_call_details_destroy(&request_details1);
+  grpc_slice_unref(details1);
+  grpc_metadata_array_destroy(&trailing_metadata_recv2);
+  grpc_metadata_array_destroy(&request_metadata2);
+  grpc_call_details_destroy(&request_details2);
+  grpc_slice_unref(details2);
+
+  cq_verifier_destroy(cqv);
+  grpc_completion_queue_destroy(cq);
+
+  grpc_shutdown();
+  gpr_mu_destroy(&g_mu);
+
+  return 0;
+}