Initial checkin of gRPC to third_party/

third_party/grpc/test/core/fling/fling_stream_test.c

Index: third_party/grpc/test/core/fling/fling_stream_test.c
diff --git a/third_party/grpc/test/core/fling/fling_stream_test.c b/third_party/grpc/test/core/fling/fling_stream_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..78a73372aa85ce1eaa74ec156501384afa56c581
--- /dev/null
+++ b/third_party/grpc/test/core/fling/fling_stream_test.c
@@ -0,0 +1,113 @@
+/*
+ *
+ * Copyright 2015, 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.
+ *
+ */
+
+#ifndef _POSIX_SOURCE
+#define _POSIX_SOURCE
+#endif
+
+#include <unistd.h>
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include "src/core/support/string.h"
+#include <grpc/support/alloc.h>
+#include <grpc/support/host_port.h>
+#include <grpc/support/string_util.h>
+#include "test/core/util/port.h"
+
+int main(int argc, char **argv) {
+  char *me = argv[0];
+  char *lslash = strrchr(me, '/');
+  char root[1024];
+  int port = grpc_pick_unused_port_or_die();
+  char *args[10];
+  int status;
+  pid_t svr, cli;
+  /* seed rng with pid, so we don't end up with the same random numbers as a
+     concurrently running test binary */
+  srand((unsigned)getpid());
+  /* figure out where we are */
+  if (lslash) {
+    memcpy(root, me, (size_t)(lslash - me));
+    root[lslash - me] = 0;
+  } else {
+    strcpy(root, ".");
+  }
+  /* start the server */
+  svr = fork();
+  if (svr == 0) {
+    gpr_asprintf(&args[0], "%s/fling_server", root);
+    args[1] = "--bind";
+    gpr_join_host_port(&args[2], "::", port);
+    args[3] = "--no-secure";
+    args[4] = 0;
+    execv(args[0], args);
+
+    gpr_free(args[0]);
+    gpr_free(args[2]);
+    return 1;
+  }
+  /* wait a little */
+  sleep(2);
+  /* start the client */
+  cli = fork();
+  if (cli == 0) {
+    gpr_asprintf(&args[0], "%s/fling_client", root);
+    args[1] = "--target";
+    gpr_join_host_port(&args[2], "127.0.0.1", port);
+    args[3] = "--scenario=ping-pong-stream";
+    args[4] = "--no-secure";
+    args[5] = 0;
+    execv(args[0], args);
+
+    gpr_free(args[0]);
+    gpr_free(args[2]);
+    return 1;
+  }
+  /* wait for completion */
+  printf("waiting for client\n");
+  if (waitpid(cli, &status, 0) == -1) return 2;
+  if (!WIFEXITED(status)) return 4;
+  if (WEXITSTATUS(status)) return WEXITSTATUS(status);
+  printf("waiting for server\n");
+  kill(svr, SIGINT);
+  if (waitpid(svr, &status, 0) == -1) return 2;
+  if (!WIFEXITED(status)) return 4;
+  if (WEXITSTATUS(status)) return WEXITSTATUS(status);
+  return 0;
+}