/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
- *
- * Libmemcached library
*
- * Copyright (C) 2011 Data Differential, http://datadifferential.com/
- * Copyright (C) 2006-2009 Brian Aker All rights reserved.
+ * Data Differential YATL (i.e. libtest) library
+ *
+ * Copyright (C) 2012 Data Differential, http://datadifferential.com/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
*
*/
+#include "libtest/yatlcon.h"
-/*
- Startup, and shutdown the memcached servers.
-*/
-
-#define TEST_PORT_BASE MEMCACHED_DEFAULT_PORT+10
-
-#include <config.h>
+#include "libtest/common.h"
-#include <iso646.h>
-
-#include <assert.h>
-#include <limits.h>
+#include <cassert>
+#include <cerrno>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/time.h>
-#include <time.h>
+#include <sys/types.h>
+#include <sys/wait.h>
#include <unistd.h>
-#include <errno.h>
-
-#include <libmemcached/memcached.h>
-#include <libmemcached/util.h>
#include <libtest/server.h>
+#include <libtest/wait.h>
-static void global_sleep(void)
-{
- static struct timespec global_sleep_value= { 0, 50000 };
+#include <libtest/memcached.h>
-#ifdef WIN32
- sleep(1);
-#else
- nanosleep(&global_sleep_value, NULL);
+#ifndef __INTEL_COMPILER
+#pragma GCC diagnostic ignored "-Wold-style-cast"
#endif
-}
-static bool wait_for_file(const char *filename)
+namespace libtest {
+
+class Memcached : public libtest::Server
{
- uint32_t timeout= 6;
- uint32_t waited;
- uint32_t this_wait;
- uint32_t retry;
+ std::string _username;
+ std::string _password;
+
+public:
+ Memcached(const std::string& host_arg,
+ const in_port_t port_arg,
+ const bool is_socket_arg,
+ const std::string& username_arg,
+ const std::string& password_arg) :
+ libtest::Server(host_arg, port_arg,
+ memcached_binary(), false, is_socket_arg),
+ _username(username_arg),
+ _password(password_arg)
+ { }
+
+ Memcached(const std::string& host_arg, const in_port_t port_arg, const bool is_socket_arg) :
+ libtest::Server(host_arg, port_arg,
+ memcached_binary(), false, is_socket_arg)
+ {
+ set_pid_file();
+ }
+
+ virtual const char *sasl() const
+ {
+ return NULL;
+ }
+
+ const std::string& password() const
+ {
+ return _password;
+ }
+
+ const std::string& username() const
+ {
+ return _username;
+ }
- for (waited= 0, retry= 1; ; retry++, waited+= this_wait)
+ bool wait_for_pidfile() const
{
- if ((! access(filename, R_OK)) || (waited >= timeout))
+ Wait wait(pid(), 4);
+
+ return wait.successful();
+ }
+
+ bool ping()
+ {
+ if (out_of_ban_killed())
+ {
+ return false;
+ }
+
+ if (is_socket())
{
- return true;
+ return _app.check();
}
- this_wait= retry * retry / 3 + 1;
- sleep(this_wait);
+ SimpleClient client(_hostname, _port);
+
+ std::string response;
+ return client.send_message("version", response);
}
- return false;
-}
+ const char *name()
+ {
+ return "memcached";
+ };
-static void kill_file(const char *file_buffer)
-{
- FILE *fp;
+ const char *executable()
+ {
+ return memcached_binary();
+ }
- while ((fp= fopen(file_buffer, "r")))
+ bool is_libtool()
{
- char pid_buffer[1024];
+ return false;
+ }
- if (fgets(pid_buffer, sizeof(pid_buffer), fp) != NULL)
+ virtual void pid_file_option(Application& app, const std::string& arg)
+ {
+ if (arg.empty() == false)
{
- pid_t pid= (pid_t)atoi(pid_buffer);
- if (pid != 0)
- {
- if (kill(pid, SIGTERM) == -1)
- {
- remove(file_buffer); // If this happens we may be dealing with a dead server that left its pid file.
- }
- else
- {
- uint32_t counter= 3;
- while ((kill(pid, 0) == 0) && --counter)
- {
- global_sleep();
- }
- }
- }
+ app.add_option("-P", arg);
}
+ }
- global_sleep();
+ const char *socket_file_option() const
+ {
+ return "-s ";
+ }
- fclose(fp);
+ virtual void port_option(Application& app, in_port_t arg)
+ {
+ char buffer[30];
+ snprintf(buffer, sizeof(buffer), "%d", int(arg));
+ app.add_option("-p", buffer);
+ app.add_option("-U", buffer);
}
-}
-void server_startup(server_startup_st *construct)
-{
- if ((construct->server_list= getenv("MEMCACHED_SERVERS")))
+ bool has_port_option() const
{
- printf("servers %s\n", construct->server_list);
- construct->count= 0;
+ return true;
}
- else
+
+ bool has_socket_file_option() const
+ {
+ return has_socket();
+ }
+
+ void socket_file_option(Application& app, const std::string& socket_arg)
{
+ if (socket_arg.empty() == false)
{
- char server_string_buffer[8096];
- char *end_ptr;
- end_ptr= server_string_buffer;
-
- uint32_t port_base= 0;
- for (uint32_t x= 0; x < construct->count; x++)
- {
- int status;
-
- snprintf(construct->pid_file[x], FILENAME_MAX, "/tmp/memcached.pidXXXXXX");
- int fd;
- if ((fd= mkstemp(construct->pid_file[x])) == -1)
- {
- perror("mkstemp");
- return;
- }
- close(fd);
-
- {
- char *var;
- char variable_buffer[1024];
-
- snprintf(variable_buffer, sizeof(variable_buffer), "LIBMEMCACHED_PORT_%u", x);
-
- if ((var= getenv(variable_buffer)))
- {
- construct->port[x]= (in_port_t)atoi(var);
- }
- else
- {
- do {
- construct->port[x]= (in_port_t)(x + TEST_PORT_BASE + port_base);
-
- if (libmemcached_util_ping("localhost", construct->port[x], NULL))
- {
- if (libmemcached_util_flush("localhost", construct->port[x], NULL))
- {
- fprintf(stderr, "Found server on port %d, flushed it!\n", (int)construct->port[x]);
- construct->is_used[x]= true;
- } // If we can flush it, we will just use it
- else
- {
- fprintf(stderr, "Found server on port %d, could not flush it, so trying next port.\n", (int)construct->port[x]);
- port_base++;
- construct->port[x]= 0;
- }
- }
- } while (construct->port[x] == 0);
- }
- }
-
- char buffer[FILENAME_MAX];
- if (x == 0)
- {
- snprintf(buffer, sizeof(buffer), "%s -d -P %s -t 1 -p %u -U %u -m 128",
- MEMCACHED_BINARY, construct->pid_file[x], construct->port[x], construct->port[x]);
- }
- else
- {
- snprintf(buffer, sizeof(buffer), "%s -d -P %s -t 1 -p %u -U %u",
- MEMCACHED_BINARY, construct->pid_file[x], construct->port[x], construct->port[x]);
- }
-
- if (construct->is_used[x])
- {
- fprintf(stderr, "USING SERVER: %s\n", buffer);
- }
- else
- {
- if (libmemcached_util_ping("localhost", construct->port[x], NULL))
- {
- fprintf(stderr, "Server on port %u already exists\n", construct->port[x]);
- }
- else
- {
- status= system(buffer);
- fprintf(stderr, "STARTING SERVER: %s status:%d\n", buffer, status);
- }
- }
-
- size_t remaining_length= sizeof(server_string_buffer) - (size_t)(end_ptr -server_string_buffer);
- int count= snprintf(end_ptr, remaining_length, "--server=localhost:%u ", construct->port[x]);
-
- if ((size_t)count >= remaining_length or count < 0)
- {
- fprintf(stderr, "server names grew to be larger then buffer allowed\n");
- abort();
- }
- end_ptr+= count;
- }
- *end_ptr= 0;
-
-
- for (uint32_t x= 0; x < construct->count; x++)
- {
- if (! wait_for_file(construct->pid_file[x]))
- {
- abort();
- }
- }
-
- for (uint32_t x= 0; x < construct->count; x++)
- {
- uint32_t counter= 3000; // Absurd, just to catch run away process
-
- if (construct->is_used[x])
- continue;
-
- while (construct->pids[x] <= 0 && --counter)
- {
- FILE *file= fopen(construct->pid_file[x], "r");
- if (file)
- {
- char pid_buffer[1024];
- char *found= fgets(pid_buffer, sizeof(pid_buffer), file);
-
- if (found)
- {
- construct->pids[x]= atoi(pid_buffer);
- fclose(file);
-
- if (construct->pids[x] > 0)
- break;
- }
- fclose(file);
- }
-
- switch (errno)
- {
- default:
- fprintf(stderr, "Could not open pid file %s -> fopen(%s) -> %s:%d\n", construct->pid_file[x], strerror(errno), __FILE__, __LINE__);
- abort();
-
- case ENOENT:
- case EINTR:
- case EACCES:
- case EINPROGRESS:
- break;
-
- case ENOTCONN:
- continue;
- }
-
- // Safety 3rd, check to see if the file has gone away
- if (! wait_for_file(construct->pid_file[x]))
- {
- abort();
- }
- }
-
- bool was_started= false;
- if (construct->pids[x] > 0)
- {
- counter= 30;
- while (--counter)
- {
- if (kill(construct->pids[x], 0) == 0)
- {
- was_started= true;
- break;
- }
- global_sleep();
- }
- }
-
- if (was_started == false)
- {
- fprintf(stderr, "Failed to open buffer %s(%d)\n", construct->pid_file[x], construct->pids[x]);
- for (uint32_t y= 0; y < construct->count; y++)
- {
- if (construct->pids[y] > 0)
- kill(construct->pids[y], SIGTERM);
- }
- abort();
- }
- }
-
- construct->server_list= strndup(server_string_buffer, strlen(server_string_buffer) -1);
+ app.add_option("-s", socket_arg);
}
}
- srandom((unsigned int)time(NULL));
+ bool broken_socket_cleanup()
+ {
+ return true;
+ }
+
+ // Memcached's pidfile is broken
+ bool broken_pid_file()
+ {
+ return true;
+ }
- printf("\n");
+ bool build();
+};
+
+
+#include <sstream>
+
+bool Memcached::build()
+{
+ if (getuid() == 0 or geteuid() == 0)
+ {
+ add_option("-u", "root");
+ }
+
+ add_option("-l", "localhost");
+#ifdef __APPLE__
+#else
+ add_option("-m", "128");
+ add_option("-M");
+#endif
+
+ if (sasl())
+ {
+ add_option(sasl());
+ }
+
+ return true;
}
-void server_shutdown(server_startup_st *construct)
+libtest::Server *build_memcached(const std::string& hostname, const in_port_t try_port)
{
- if (construct->server_list)
+ if (has_memcached())
{
- for (uint32_t x= 0; x < construct->count; x++)
- {
- if (construct->is_used[x])
- continue;
+ return new Memcached(hostname, try_port, false);
+ }
- kill_file(construct->pid_file[x]);
- }
+ return NULL;
+}
- free(construct->server_list);
+libtest::Server *build_memcached_socket(const std::string& socket_file, const in_port_t try_port)
+{
+ if (has_memcached())
+ {
+ return new Memcached(socket_file, try_port, true);
}
+
+ return NULL;
}
+
+} // namespace libtest