Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 336 insertions, 0 deletions

diff --git a/src/test/admin_socket.cc b/src/test/admin_socket.cc
new file mode 100644
index 000000000..859328d9c
--- /dev/null
+++ b/src/test/admin_socket.cc
@@ -0,0 +1,336 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2011 New Dream Network
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#include "common/ceph_mutex.h"
+#include "common/Cond.h"
+#include "common/admin_socket.h"
+#include "common/admin_socket_client.h"
+#include "common/ceph_argparse.h"
+#include "gtest/gtest.h"
+
+#include <stdint.h>
+#include <string.h>
+#include <string>
+#include <sys/un.h>
+
+class AdminSocketTest
+{
+public:
+  explicit AdminSocketTest(AdminSocket *asokc)
+    : m_asokc(asokc)
+  {
+  }
+  bool init(const std::string &uri) {
+    return m_asokc->init(uri);
+  }
+  string bind_and_listen(const std::string &sock_path, int *fd) {
+    return m_asokc->bind_and_listen(sock_path, fd);
+  }
+  bool shutdown() {
+    m_asokc->shutdown();
+    return true;
+  }
+  AdminSocket *m_asokc;
+};
+
+TEST(AdminSocket, Teardown) {
+  std::unique_ptr<AdminSocket> asokc = std::make_unique<AdminSocket>(g_ceph_context);
+  AdminSocketTest asoct(asokc.get());
+  ASSERT_EQ(true, asoct.shutdown());
+}
+
+TEST(AdminSocket, TeardownSetup) {
+  std::unique_ptr<AdminSocket> asokc = std::make_unique<AdminSocket>(g_ceph_context);
+  AdminSocketTest asoct(asokc.get());
+  ASSERT_EQ(true, asoct.shutdown());
+  ASSERT_EQ(true, asoct.init(get_rand_socket_path()));
+  ASSERT_EQ(true, asoct.shutdown());
+}
+
+TEST(AdminSocket, SendHelp) {
+  std::unique_ptr<AdminSocket> asokc = std::make_unique<AdminSocket>(g_ceph_context);
+  AdminSocketTest asoct(asokc.get());
+  ASSERT_EQ(true, asoct.shutdown());
+  ASSERT_EQ(true, asoct.init(get_rand_socket_path()));
+  AdminSocketClient client(get_rand_socket_path());
+
+  {
+    string help;
+    ASSERT_EQ("", client.do_request("{\"prefix\":\"help\"}", &help));
+    ASSERT_NE(string::npos, help.find("\"list available commands\""));
+  }
+  {
+    string help;
+    ASSERT_EQ("", client.do_request("{"
+				    " \"prefix\":\"help\","
+				    " \"format\":\"xml\","
+				    "}", &help));
+    ASSERT_NE(string::npos, help.find(">list available commands<"));
+  }
+  {
+    string help;
+    ASSERT_EQ("", client.do_request("{"
+				    " \"prefix\":\"help\","
+				    " \"format\":\"UNSUPPORTED\","
+				    "}", &help));
+    ASSERT_NE(string::npos, help.find("\"list available commands\""));
+  }
+  ASSERT_EQ(true, asoct.shutdown());
+}
+
+TEST(AdminSocket, SendNoOp) {
+  std::unique_ptr<AdminSocket> asokc = std::make_unique<AdminSocket>(g_ceph_context);
+  AdminSocketTest asoct(asokc.get());
+  ASSERT_EQ(true, asoct.shutdown());
+  ASSERT_EQ(true, asoct.init(get_rand_socket_path()));
+  AdminSocketClient client(get_rand_socket_path());
+  string version;
+  ASSERT_EQ("", client.do_request("{\"prefix\":\"0\"}", &version));
+  ASSERT_EQ(CEPH_ADMIN_SOCK_VERSION, version);
+  ASSERT_EQ(true, asoct.shutdown());
+}
+
+TEST(AdminSocket, SendTooLongRequest) {
+  std::unique_ptr<AdminSocket> asokc = std::make_unique<AdminSocket>(g_ceph_context);
+  AdminSocketTest asoct(asokc.get());
+  ASSERT_EQ(true, asoct.shutdown());
+  ASSERT_EQ(true, asoct.init(get_rand_socket_path()));
+  AdminSocketClient client(get_rand_socket_path());
+  string version;
+  string request(16384, 'a');
+  //if admin_socket cannot handle it, segfault will happened.
+  ASSERT_NE("", client.do_request(request, &version));
+  ASSERT_EQ(true, asoct.shutdown());
+}
+
+class MyTest : public AdminSocketHook {
+  int call(std::string_view command, const cmdmap_t& cmdmap,
+	   Formatter *f,
+	   std::ostream& ss,
+	   bufferlist& result) override {
+    std::vector<std::string> args;
+    TOPNSPC::common::cmd_getval(cmdmap, "args", args);
+    result.append(command);
+    result.append("|");
+    string resultstr;
+    for (std::vector<std::string>::iterator it = args.begin();
+	 it != args.end(); ++it) {
+      if (it != args.begin())
+	resultstr += ' ';
+      resultstr += *it;
+    }
+    result.append(resultstr);
+    return 0;
+  }
+};
+
+TEST(AdminSocket, RegisterCommand) {
+  std::unique_ptr<AdminSocket> asokc = std::make_unique<AdminSocket>(g_ceph_context);
+  std::unique_ptr<AdminSocketHook> my_test_asok = std::make_unique<MyTest>();
+  AdminSocketTest asoct(asokc.get());
+  ASSERT_EQ(true, asoct.shutdown());
+  ASSERT_EQ(true, asoct.init(get_rand_socket_path()));
+  AdminSocketClient client(get_rand_socket_path());
+  ASSERT_EQ(0, asoct.m_asokc->register_command("test", my_test_asok.get(), ""));
+  string result;
+  ASSERT_EQ("", client.do_request("{\"prefix\":\"test\"}", &result));
+  ASSERT_EQ("test|", result);
+  ASSERT_EQ(true, asoct.shutdown());
+}
+
+class MyTest2 : public AdminSocketHook {
+  int call(std::string_view command, const cmdmap_t& cmdmap,
+	   Formatter *f,
+	   std::ostream& ss,
+	   bufferlist& result) override {
+    std::vector<std::string> args;
+    TOPNSPC::common::cmd_getval(cmdmap, "args", args);
+    result.append(command);
+    result.append("|");
+    string resultstr;
+    for (std::vector<std::string>::iterator it = args.begin();
+	 it != args.end(); ++it) {
+      if (it != args.begin())
+	resultstr += ' ';
+      resultstr += *it;
+    }
+    result.append(resultstr);
+    ss << "error stream";
+    return 0;
+  }
+};
+
+TEST(AdminSocket, RegisterCommandPrefixes) {
+  std::unique_ptr<AdminSocket> asokc = std::make_unique<AdminSocket>(g_ceph_context);
+  std::unique_ptr<AdminSocketHook> my_test_asok = std::make_unique<MyTest>();
+  std::unique_ptr<AdminSocketHook> my_test2_asok = std::make_unique<MyTest2>();
+  AdminSocketTest asoct(asokc.get());
+  ASSERT_EQ(true, asoct.shutdown());
+  ASSERT_EQ(true, asoct.init(get_rand_socket_path()));
+  AdminSocketClient client(get_rand_socket_path());
+  ASSERT_EQ(0, asoct.m_asokc->register_command("test name=args,type=CephString,n=N", my_test_asok.get(), ""));
+  ASSERT_EQ(0, asoct.m_asokc->register_command("test command name=args,type=CephString,n=N", my_test2_asok.get(), ""));
+  string result;
+  ASSERT_EQ("", client.do_request("{\"prefix\":\"test\"}", &result));
+  ASSERT_EQ("test|", result);
+  ASSERT_EQ("", client.do_request("{\"prefix\":\"test command\"}", &result));
+  ASSERT_EQ("test command|", result);
+  ASSERT_EQ("", client.do_request("{\"prefix\":\"test command\",\"args\":[\"post\"]}", &result));
+  ASSERT_EQ("test command|post", result);
+  ASSERT_EQ("", client.do_request("{\"prefix\":\"test command\",\"args\":[\" post\"]}", &result));
+  ASSERT_EQ("test command| post", result);
+  ASSERT_EQ("", client.do_request("{\"prefix\":\"test\",\"args\":[\"this thing\"]}", &result));
+  ASSERT_EQ("test|this thing", result);
+
+  ASSERT_EQ("", client.do_request("{\"prefix\":\"test\",\"args\":[\" command post\"]}", &result));
+  ASSERT_EQ("test| command post", result);
+  ASSERT_EQ("", client.do_request("{\"prefix\":\"test\",\"args\":[\" this thing\"]}", &result));
+  ASSERT_EQ("test| this thing", result);
+  ASSERT_EQ(true, asoct.shutdown());
+}
+
+class BlockingHook : public AdminSocketHook {
+public:
+  ceph::mutex _lock = ceph::make_mutex("BlockingHook::_lock");
+  ceph::condition_variable _cond;
+
+  BlockingHook() = default;
+
+  int call(std::string_view command, const cmdmap_t& cmdmap,
+	   Formatter *f,
+	   std::ostream& ss,
+	   bufferlist& result) override {
+    std::unique_lock l{_lock};
+    _cond.wait(l);
+    return 0;
+  }
+};
+
+TEST(AdminSocketClient, Ping) {
+  string path = get_rand_socket_path();
+  std::unique_ptr<AdminSocket> asokc = std::make_unique<AdminSocket>(g_ceph_context);
+  AdminSocketClient client(path);
+  // no socket
+  {
+    bool ok;
+    std::string result = client.ping(&ok);
+#ifndef _WIN32
+// TODO: convert WSA errors.
+    EXPECT_NE(std::string::npos, result.find("No such file or directory"));
+#endif
+    ASSERT_FALSE(ok);
+  }
+  // file exists but does not allow connections (no process, wrong type...)
+  int fd = ::creat(path.c_str(), 0777);
+  ASSERT_TRUE(fd);
+  // On Windows, we won't be able to remove the file unless we close it
+  // first.
+  ASSERT_FALSE(::close(fd));
+  {
+    bool ok;
+    std::string result = client.ping(&ok);
+#ifndef _WIN32
+#if defined(__APPLE__) || defined(__FreeBSD__)
+    const char* errmsg = "Socket operation on non-socket";
+#else
+    const char* errmsg = "Connection refused";
+#endif
+    EXPECT_NE(std::string::npos, result.find(errmsg));
+#endif /* _WIN32 */
+    ASSERT_FALSE(ok);
+  }
+  // a daemon is connected to the socket
+  {
+    AdminSocketTest asoct(asokc.get());
+    ASSERT_TRUE(asoct.init(path));
+    bool ok;
+    std::string result = client.ping(&ok);
+    EXPECT_EQ("", result);
+    ASSERT_TRUE(ok);
+    ASSERT_TRUE(asoct.shutdown());
+  }
+  // hardcoded five seconds timeout prevents infinite blockage
+  {
+    AdminSocketTest asoct(asokc.get());
+    BlockingHook *blocking = new BlockingHook();
+    ASSERT_EQ(0, asoct.m_asokc->register_command("0", blocking, ""));
+    ASSERT_TRUE(asoct.init(path));
+    bool ok;
+    std::string result = client.ping(&ok);
+    #ifndef _WIN32
+    EXPECT_NE(std::string::npos, result.find("Resource temporarily unavailable"));
+    #endif
+    ASSERT_FALSE(ok);
+    {
+      std::lock_guard l{blocking->_lock};
+      blocking->_cond.notify_all();
+    }
+    ASSERT_TRUE(asoct.shutdown());
+    delete blocking;
+  }
+}
+
+TEST(AdminSocket, bind_and_listen) {
+  string path = get_rand_socket_path();
+  std::unique_ptr<AdminSocket> asokc = std::make_unique<AdminSocket>(g_ceph_context);
+
+  AdminSocketTest asoct(asokc.get());
+  // successfull bind
+  {
+    int fd = 0;
+    string message;
+    message = asoct.bind_and_listen(path, &fd);
+    ASSERT_NE(0, fd);
+    ASSERT_EQ("", message);
+    ASSERT_EQ(0, ::compat_closesocket(fd));
+    ASSERT_EQ(0, ::unlink(path.c_str()));
+  }
+  // silently discard an existing file
+  {
+    int fd = 0;
+    string message;
+    int fd2 = ::creat(path.c_str(), 0777);
+    ASSERT_TRUE(fd2);
+    // On Windows, we won't be able to remove the file unless we close it
+    // first.
+    ASSERT_FALSE(::close(fd2));
+    message = asoct.bind_and_listen(path, &fd);
+    ASSERT_NE(0, fd);
+    ASSERT_EQ("", message);
+    ASSERT_EQ(0, ::compat_closesocket(fd));
+    ASSERT_EQ(0, ::unlink(path.c_str()));
+  }
+  // do not take over a live socket
+  {
+    ASSERT_TRUE(asoct.init(path));
+    int fd = 0;
+    string message;
+    message = asoct.bind_and_listen(path, &fd);
+    std::cout << "message: " << message << std::endl;
+    EXPECT_NE(std::string::npos, message.find("File exists"));
+    ASSERT_TRUE(asoct.shutdown());
+  }
+}
+
+/*
+ * Local Variables:
+ * compile-command: "cd .. ;
+ *   make unittest_admin_socket &&
+ *    valgrind \
+ *    --max-stackframe=20000000 --tool=memcheck \
+ *   ./unittest_admin_socket --debug-asok 20 # --gtest_filter=AdminSocket*.*
+ * "
+ * End:
+ */
+