X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libtest%2Fcmdline.cc;h=1a13342b6b4a9e38b811d8d0afd77152b4fe806e;hb=7ba11a92a63df071ee3f848c980c8459dc184ebc;hp=4dc84c9d66990d547f48f40180530c2977b259be;hpb=956d15b5b1f3f3518eb374a3a9e0393e9dacd3b6;p=awesomized%2Flibmemcached

diff --git a/libtest/cmdline.cc b/libtest/cmdline.cc
index 4dc84c9d..1a13342b 100644
--- a/libtest/cmdline.cc
+++ b/libtest/cmdline.cc
@@ -19,46 +19,628 @@
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#include <config.h>
 #include <libtest/common.h>
 
 using namespace libtest;
 
 #include <cstdlib>
-#include <string>
+#include <cstring>
+#include <cerrno>
+#include <fcntl.h>
+#include <fstream>
+#include <memory>
+#include <poll.h>
+#include <spawn.h>
 #include <sstream>
+#include <string>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+extern "C" {
+  static int exited_successfully(int status)
+  {
+    if (status == 0)
+    {
+      return EXIT_SUCCESS;
+    }
+
+    if (WIFEXITED(status) == true)
+    {
+      return WEXITSTATUS(status);
+    }
+    else if (WIFSIGNALED(status) == true)
+    {
+      return WTERMSIG(status);
+    }
+
+    return EXIT_FAILURE;
+  }
+}
+
+namespace {
+
+  std::string print_argv(char * * & built_argv, const size_t& argc)
+  {
+    std::stringstream arg_buffer;
+
+    for (size_t x= 0; x < argc; x++)
+    {
+      arg_buffer << built_argv[x] << " ";
+    }
+
+    return arg_buffer.str();
+  }
+
+  std::string print_argv(char** argv)
+  {
+    std::stringstream arg_buffer;
+
+    for (char** ptr= argv; *ptr; ptr++)
+    {
+      arg_buffer << *ptr << " ";
+    }
+
+    return arg_buffer.str();
+  }
+
+  static Application::error_t int_to_error_t(int arg)
+  {
+    switch (arg)
+    {
+    case 127:
+      return Application::INVALID;
+
+    case 0:
+      return Application::SUCCESS;
+
+    default:
+    case 1:
+      return Application::FAILURE;
+    }
+  }
+}
 
 namespace libtest {
 
-bool exec_cmdline(const std::string& executable, const char *args[])
+Application::Application(const std::string& arg, const bool _use_libtool_arg) :
+  _use_libtool(_use_libtool_arg),
+  _use_valgrind(false),
+  _use_gdb(false),
+  _argc(0),
+  _exectuble(arg),
+  built_argv(NULL),
+  _pid(-1)
+  { 
+    if (_use_libtool)
+    {
+      if (libtool() == NULL)
+      {
+        throw "libtool requested, but know libtool was found";
+      }
+    }
+
+    // Find just the name of the application with no path
+    {
+      size_t found= arg.find_last_of("/\\");
+      if (found)
+      {
+        _exectuble_name= arg.substr(found +1);
+      }
+      else
+      {
+        _exectuble_name= arg;
+      }
+    }
+
+    if (_use_libtool and getenv("PWD"))
+    {
+      _exectuble_with_path+= getenv("PWD");
+      _exectuble_with_path+= "/";
+    }
+    _exectuble_with_path+= _exectuble;
+  }
+
+Application::~Application()
 {
-  std::stringstream arg_buffer;
+  delete_argv();
+}
+
+Application::error_t Application::run(const char *args[])
+{
+  stdin_fd.reset();
+  stdout_fd.reset();
+  stderr_fd.reset();
+  _stdout_buffer.clear();
+  _stderr_buffer.clear();
+
+  posix_spawn_file_actions_t file_actions;
+  posix_spawn_file_actions_init(&file_actions);
+
+  stdin_fd.dup_for_spawn(Application::Pipe::READ, file_actions, STDIN_FILENO);
+  stdout_fd.dup_for_spawn(Application::Pipe::WRITE, file_actions, STDOUT_FILENO);
+  stderr_fd.dup_for_spawn(Application::Pipe::WRITE, file_actions, STDERR_FILENO);
+  
+  create_argv(args);
+
+  int spawn_ret;
+  if (_use_gdb)
+  {
+    std::string gdb_run_file= create_tmpfile(_exectuble_name);
+    std::fstream file_stream;
+    file_stream.open(gdb_run_file.c_str(), std::fstream::out | std::fstream::trunc);
+
+    _gdb_filename= create_tmpfile(_exectuble_name);
+    file_stream 
+      << "set logging redirect on" << std::endl
+      << "set logging file " << _gdb_filename << std::endl
+      << "set logging overwrite on" << std::endl
+      << "set logging on" << std::endl
+      << "set environment LIBTEST_IN_GDB=1" << std::endl
+      << "run " << arguments() << std::endl
+      << "thread apply all bt" << std::endl
+      << "quit" << std::endl;
+
+    fatal_assert(file_stream.good());
+    file_stream.close();
 
-  arg_buffer << libtool();
+    if (_use_libtool)
+    {
+      // libtool --mode=execute gdb -f -x binary
+      char *argv[]= {
+        const_cast<char *>(libtool()),
+        const_cast<char *>("--mode=execute"),
+        const_cast<char *>("gdb"),
+        const_cast<char *>("-batch"),
+        const_cast<char *>("-f"),
+        const_cast<char *>("-x"),
+        const_cast<char *>(gdb_run_file.c_str()), 
+        const_cast<char *>(_exectuble_with_path.c_str()), 
+        0};
 
-  if (getenv("PWD"))
+      spawn_ret= posix_spawnp(&_pid, libtool(), &file_actions, NULL, argv, NULL);
+    }
+    else
+    {
+      // gdb binary
+      char *argv[]= {
+        const_cast<char *>("gdb"),
+        const_cast<char *>("-batch"),
+        const_cast<char *>("-f"),
+        const_cast<char *>("-x"),
+        const_cast<char *>(gdb_run_file.c_str()), 
+        const_cast<char *>(_exectuble_with_path.c_str()), 
+        0};
+      spawn_ret= posix_spawnp(&_pid, "gdb", &file_actions, NULL, argv, NULL);
+    }
+  }
+  else
   {
-    arg_buffer << getenv("PWD");
-    arg_buffer << "/";
+    if (_use_libtool)
+    {
+      spawn_ret= posix_spawn(&_pid, built_argv[0], &file_actions, NULL, built_argv, NULL);
+    }
+    else
+    {
+      spawn_ret= posix_spawnp(&_pid, built_argv[0], &file_actions, NULL, built_argv, NULL);
+    }
   }
 
-  arg_buffer << executable;
-  for (const char **ptr= args; *ptr; ++ptr)
+  posix_spawn_file_actions_destroy(&file_actions);
+
+  stdin_fd.close(Application::Pipe::READ);
+  stdout_fd.close(Application::Pipe::WRITE);
+  stderr_fd.close(Application::Pipe::WRITE);
+
+  if (spawn_ret)
   {
-    arg_buffer << " " << *ptr;
+    return Application::INVALID;
   }
 
-#if 0
-    arg_buffer << " > /dev/null 2>&1";
+  return Application::SUCCESS;
+}
+
+bool Application::check() const
+{
+  Error << "Testing " << _exectuble;
+  if (kill(_pid, 0) == 0)
+  {
+    return true;
+  }
+
+  return false;
+}
+
+void Application::murder()
+{
+  slurp();
+  kill(_pid, SIGTERM);
+}
+
+// false means that no data was returned
+bool Application::slurp()
+{
+  struct pollfd fds[2];
+  fds[0].fd= stdout_fd.fd()[0];
+  fds[0].events= POLLIN;
+  fds[0].revents= 0;
+  fds[1].fd= stderr_fd.fd()[0];
+  fds[1].events= POLLIN;
+  fds[1].revents= 0;
+
+  int active_fd;
+  if ((active_fd= poll(fds, 2, 400)) == -1)
+  {
+    int error;
+    switch ((error= errno))
+    {
+#ifdef TARGET_OS_LINUX
+    case ERESTART:
 #endif
+    case EINTR:
+      break;
+
+    case EFAULT:
+    case ENOMEM:
+      fatal_message(strerror(error));
+      break;
+
+    case EINVAL:
+      fatal_message("RLIMIT_NOFILE exceeded, or if OSX the timeout value was invalid");
+      break;
+
+    default:
+      fatal_message(strerror(error));
+      break;
+    }
+  }
 
-  if (system(arg_buffer.str().c_str()) == -1)
+  if (active_fd == 0)
   {
     return false;
   }
 
+  if (fds[0].revents == POLLIN)
+  {
+    ssize_t read_length;
+    char buffer[1024]= { 0 };
+    while ((read_length= ::read(stdout_fd.fd()[0], buffer, sizeof(buffer))))
+    {
+      if (read_length == -1)
+      {
+        switch(errno)
+        {
+        case EAGAIN:
+          continue;
+
+        default:
+          Error << strerror(errno);
+          break;
+        }
+
+        break;
+      }
+      _stdout_buffer.reserve(read_length +1);
+      for (size_t x= 0; x < read_length; x++)
+      {
+        _stdout_buffer.push_back(buffer[x]);
+      }
+      // @todo Suck up all output code here
+    }
+  }
+
+  if (fds[1].revents == POLLIN)
+  {
+    ssize_t read_length;
+    char buffer[1024]= { 0 };
+    while ((read_length= ::read(stderr_fd.fd()[0], buffer, sizeof(buffer))))
+    {
+      if (read_length == -1)
+      {
+        switch(errno)
+        {
+        case EAGAIN:
+          continue;
+
+        default:
+          Error << strerror(errno);
+          break;
+        }
+
+        break;
+      }
+      _stderr_buffer.reserve(read_length +1);
+      for (size_t x= 0; x < read_length; x++)
+      {
+        _stderr_buffer.push_back(buffer[x]);
+      }
+      // @todo Suck up all errput code here
+    }
+  }
+
   return true;
 }
 
+Application::error_t Application::wait()
+{
+  fatal_assert(_pid != -1);
+
+  slurp();
+
+  error_t exit_code= FAILURE;
+  {
+    int status= 0;
+    pid_t waited_pid;
+    if ((waited_pid= waitpid(_pid, &status, 0)) == -1)
+    {
+      switch (errno)
+      {
+      case ECHILD:
+        exit_code= Application::SUCCESS;
+        break;
+
+      default:
+        Error << "Error occured while waitpid(" << strerror(errno) << ") on pid " << int(_pid);
+      }
+    }
+    else
+    {
+      if (waited_pid != _pid)
+      {
+        throw libtest::fatal(LIBYATL_DEFAULT_PARAM, "Pid mismatch, %d != %d", int(waited_pid), int(_pid));
+      }
+      exit_code= int_to_error_t(exited_successfully(status));
+    }
+  }
+
+#if 0
+  if (exit_code == Application::INVALID)
+  {
+    Error << print_argv(built_argv, _argc);
+  }
+#endif
+
+  return exit_code;
+}
+
+void Application::add_long_option(const std::string& name, const std::string& option_value)
+{
+  std::string arg(name);
+  arg+= option_value;
+  _options.push_back(std::make_pair(arg, std::string()));
+}
+
+void Application::add_option(const std::string& arg)
+{
+  _options.push_back(std::make_pair(arg, std::string()));
+}
+
+void Application::add_option(const std::string& name, const std::string& value)
+{
+  _options.push_back(std::make_pair(name, value));
+}
+
+Application::Pipe::Pipe()
+{
+  _fd[0]= -1;
+  _fd[1]= -1;
+  _open[0]= false;
+  _open[1]= false;
+}
+
+void Application::Pipe::nonblock()
+{
+  int ret;
+  if ((ret= fcntl(_fd[0], F_GETFL, 0)) == -1)
+  {
+    Error << "fcntl(F_GETFL) " << strerror(errno);
+    throw strerror(errno);
+  }
+
+  if ((ret= fcntl(_fd[0], F_SETFL, ret | O_NONBLOCK)) == -1)
+  {
+    Error << "fcntl(F_SETFL) " << strerror(errno);
+    throw strerror(errno);
+  }
+}
+
+void Application::Pipe::reset()
+{
+  close(READ);
+  close(WRITE);
+
+  if (pipe(_fd) == -1)
+  {
+    throw strerror(errno);
+  }
+  _open[0]= true;
+  _open[1]= true;
+
+  if (0)
+  {
+    nonblock();
+  }
+}
+
+Application::Pipe::~Pipe()
+{
+  close(READ);
+  close(WRITE);
+}
+
+void Application::Pipe::dup_for_spawn(const close_t& arg, posix_spawn_file_actions_t& file_actions, const int newfildes)
+{
+  int type= int(arg);
+
+  int ret;
+  if ((ret= posix_spawn_file_actions_adddup2(&file_actions, _fd[type], newfildes )) < 0)
+  {
+    Error << "posix_spawn_file_actions_adddup2(" << strerror(ret) << ")";
+    throw strerror(ret);
+  }
+
+  if ((ret= posix_spawn_file_actions_addclose(&file_actions, _fd[type])) < 0)
+  {
+    Error << "posix_spawn_file_actions_adddup2(" << strerror(ret) << ")";
+    throw strerror(ret);
+  }
+}
+
+void Application::Pipe::close(const close_t& arg)
+{
+  int type= int(arg);
+
+  if (_open[type])
+  {
+    int ret;
+    if (::close(_fd[type]) == -1)
+    {
+      Error << "close(" << strerror(errno) << ")";
+    }
+    _open[type]= false;
+    _fd[type]= -1;
+  }
+}
+
+void Application::create_argv(const char *args[])
+{
+  _argc= 2 +_use_libtool ? 2 : 0; // +1 for the command, +2 for libtool/mode=execute, +1 for the NULL
+
+  if (_use_libtool)
+  {
+    _argc+= 2; // +2 for libtool --mode=execute
+  }
+
+  /*
+    valgrind --error-exitcode=1 --leak-check=yes --show-reachable=yes --track-fds=yes --malloc-fill=A5 --free-fill=DE
+  */
+  if (_use_valgrind)
+  {
+    _argc+= 7;
+  }
+  else if (_use_gdb) // gdb
+  {
+    _argc+= 1;
+  }
+
+  for (Options::const_iterator iter= _options.begin(); iter != _options.end(); iter++)
+  {
+    _argc++;
+    if ((*iter).second.empty() == false)
+    {
+      _argc++;
+    }
+  }
+
+  if (args)
+  {
+    for (const char **ptr= args; *ptr; ++ptr)
+    {
+      _argc++;
+    }
+  }
+
+  delete_argv();
+  built_argv= new char * [_argc];
+
+  size_t x= 0;
+  if (_use_libtool)
+  {
+    assert(libtool());
+    built_argv[x++]= strdup(libtool());
+    built_argv[x++]= strdup("--mode=execute");
+  }
+
+  if (_use_valgrind)
+  {
+    /*
+      valgrind --error-exitcode=1 --leak-check=yes --show-reachable=yes --track-fds=yes --malloc-fill=A5 --free-fill=DE
+    */
+    built_argv[x++]= strdup("valgrind");
+    built_argv[x++]= strdup("--error-exitcode=1");
+    built_argv[x++]= strdup("--leak-check=yes");
+    built_argv[x++]= strdup("--show-reachable=yes");
+    built_argv[x++]= strdup("--track-fds=yes");
+    built_argv[x++]= strdup("--malloc-fill=A5");
+    built_argv[x++]= strdup("--free-fill=DE");
+  }
+  else if (_use_gdb)
+  {
+    built_argv[x++]= strdup("gdb");
+  }
+
+  built_argv[x++]= strdup(_exectuble_with_path.c_str());
+
+  for (Options::const_iterator iter= _options.begin(); iter != _options.end(); iter++)
+  {
+    built_argv[x++]= strdup((*iter).first.c_str());
+    if ((*iter).second.empty() == false)
+    {
+      built_argv[x++]= strdup((*iter).second.c_str());
+    }
+  }
+
+  if (args)
+  {
+    for (const char **ptr= args; *ptr; ++ptr)
+    {
+      built_argv[x++]= strdup(*ptr);
+    }
+  }
+  built_argv[_argc -1]= NULL;
+}
+
+std::string Application::print()
+{
+  return print_argv(built_argv, _argc);
+}
+
+std::string Application::arguments()
+{
+  std::stringstream arg_buffer;
+
+  for (size_t x= 1 + _use_libtool ? 2 : 0;
+       x < _argc and built_argv[x];
+       x++)
+  {
+    arg_buffer << built_argv[x] << " ";
+  }
+
+  return arg_buffer.str();
+}
+
+void Application::delete_argv()
+{
+  if (built_argv)
+  {
+    for (size_t x= 0; x < _argc; x++)
+    {
+      if (built_argv[x])
+      {
+        ::free(built_argv[x]);
+      }
+    }
+    delete[] built_argv;
+    built_argv= NULL;
+    _argc= 0;
+  }
+}
+
+
+int exec_cmdline(const std::string& command, const char *args[], bool use_libtool)
+{
+  Application app(command, use_libtool);
+
+  Application::error_t ret= app.run(args);
+
+  if (ret != Application::SUCCESS)
+  {
+    return int(ret);
+  }
+
+  return int(app.wait());
+}
+
 const char *gearmand_binary() 
 {
   return GEARMAND_BINARY;