X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libtest%2Fmemcached.cc;h=475449a944ed3ab1c1a768cba39aa43bf2827bdd;hb=ad94287c37250fcb1f7881705f0effb37bae7da5;hp=04e6986069e463123a1142b7e87ec32efc603c97;hpb=46ce3491f10a4cdd069e17c2b1cf598ba367a9f0;p=m6w6%2Flibmemcached diff --git a/libtest/memcached.cc b/libtest/memcached.cc index 04e69860..475449a9 100644 --- a/libtest/memcached.cc +++ b/libtest/memcached.cc @@ -1,264 +1,210 @@ /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab: * - * Libmemcached library + * libtest * * Copyright (C) 2011 Data Differential, http://datadifferential.com/ - * Copyright (C) 2006-2009 Brian Aker All rights reserved. * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 3 of the License, or (at your option) any later version. * - * * 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. - * - * * The names of its contributors may not 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. + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -/* - Startup, and shutdown the memcached servers. -*/ +#include -#define TEST_PORT_BASE MEMCACHED_DEFAULT_PORT+10 +#include +#include -#include +using namespace libtest; #include #include #include #include #include -#include -#include +#include #include -#include +#include +#include #include -#include - -#include -#include #include -#include #include -#define CERR_PREFIX std::endl << __FILE__ << ":" << __LINE__ << " " +#include -#define SOCKET_FILE "/tmp/memcached.socket" +#ifndef __INTEL_COMPILER +#pragma GCC diagnostic ignored "-Wold-style-cast" +#endif -static pid_t __getpid(server_st& server) -{ - memcached_return_t rc; - pid_t pid= libmemcached_util_getpid(server.hostname(), server.port(), &rc); - return pid; -} +using namespace libtest; -static bool __ping(server_st& server) +class Memcached : public Server { - memcached_return_t rc; - bool ret= libmemcached_util_ping(server.hostname(), server.port(), &rc); - return ret; -} +public: + Memcached(const std::string& host_arg, const in_port_t port_arg, const bool is_socket_arg) : + Server(host_arg, port_arg, is_socket_arg) + { } -static bool cycle_server(server_st *server) -{ - while (1) + pid_t get_pid(bool error_is_ok) { - if (libmemcached_util_ping(server->hostname(), server->port(), NULL)) + // Memcached is slow to start, so we need to do this + if (not pid_file().empty()) { - // First we try to kill it, and on fail of that we flush it. - pid_t pid= libmemcached_util_getpid(server->hostname(), server->port(), NULL); + Wait wait(pid_file(), 0); - if (pid > 0 and kill_pid(pid)) + if (error_is_ok and not wait.successful()) { - std::cerr << CERR_PREFIX << "Killed existing server," << *server << " with pid:" << pid << std::endl; - continue; + Error << "Pidfile was not found:" << pid_file(); + return -1; } - else if (libmemcached_util_flush(server->hostname(), server->port(), NULL)) // If we can flush it, we will just use it - { - std::cerr << CERR_PREFIX << "Found server on port " << int(server->port()) << ", flushed it!" << std::endl; - server->set_used(); - return true; - } // No idea what is wrong here, so we need to find a different port - else + } + + pid_t local_pid; + memcached_return_t rc; + if (has_socket()) + { + local_pid= libmemcached_util_getpid(socket().c_str(), port(), &rc); + } + else + { + local_pid= libmemcached_util_getpid(hostname().c_str(), port(), &rc); + } + + if (error_is_ok and ((memcached_failed(rc) or local_pid < 1))) + { + Error << "libmemcached_util_getpid(" << memcached_strerror(NULL, rc) << ") pid: " << local_pid << " for:" << *this; + } + + return local_pid; + } + + bool ping() + { + // Memcached is slow to start, so we need to do this + if (not pid_file().empty()) + { + Wait wait(pid_file(), 0); + + if (not wait.successful()) { - return false; + Error << "Pidfile was not found:" << pid_file(); + return -1; } } - break; + memcached_return_t rc; + bool ret; + if (has_socket()) + { + ret= libmemcached_util_ping(socket().c_str(), 0, &rc); + } + else + { + ret= libmemcached_util_ping(hostname().c_str(), port(), &rc); + } + + if (memcached_failed(rc) or not ret) + { + Error << "libmemcached_util_ping(" << memcached_strerror(NULL, rc) << ")"; + } + return ret; } - return true; -} + const char *name() + { + return "memcached"; + }; -bool server_startup(server_startup_st *construct) -{ - if (getenv(((char *)"MEMCACHED_SERVERS"))) + const char *executable() { - construct->server_list= getenv(((char *)"MEMCACHED_SERVERS")); - printf("servers %s\n", construct->server_list.c_str()); - construct->count= 0; + return MEMCACHED_BINARY; } - else - { - std::string server_config_string; - uint32_t port_base= 0; - for (uint32_t x= 0; x < (construct->count -1); x++) - { - server_st *server= NULL; + const char *pid_file_option() + { + return "-P "; + } - { - char *var; - char variable_buffer[1024]; - - snprintf(variable_buffer, sizeof(variable_buffer), "LIBMEMCACHED_PORT_%u", x); - - if ((var= getenv(variable_buffer))) - { - server= new server_st((in_port_t)atoi(var), __getpid, __ping); - } - else - { - server= new server_st(in_port_t(x +TEST_PORT_BASE +port_base), __getpid, __ping); - - while (not cycle_server(server)) - { - std::cerr << CERR_PREFIX << "Found server " << *server << ", could not flush it, so trying next port." << std::endl; - port_base++; - server->set_port(in_port_t(x +TEST_PORT_BASE +port_base)); - } - } - } + const char *socket_file_option() const + { + return "-s "; + } - if (server->is_used()) - { - std::cerr << std::endl << "Using server at : " << server << std::endl; - } - else - { - char buffer[FILENAME_MAX]; - if (x == 0) - { - snprintf(buffer, sizeof(buffer), "%s -d -t 1 -p %u -U %u -m 128", - MEMCACHED_BINARY, server->port(), server->port()); - } - else - { - snprintf(buffer, sizeof(buffer), "%s -d -t 1 -p %u -U %u", - MEMCACHED_BINARY, server->port(), server->port()); - } - server->set_command(buffer); - - if (not server->start()) - { - std::cerr << CERR_PREFIX << "Failed system(" << buffer << ")" << std::endl; - delete server; - return false; - } - std::cerr << "STARTING SERVER: " << buffer << " pid:" << server->pid() << std::endl; - } - construct->push_server(server); + const char *daemon_file_option() + { + return "-d"; + } - if (x == 0) - { - assert(server->has_port()); - set_default_port(server->port()); - } + const char *log_file_option() + { + return NULL; + } - char port_str[NI_MAXSERV]; - snprintf(port_str, sizeof(port_str), "%u", int(server->port())); + const char *port_option() + { + return "-p "; + } - server_config_string+= "--server="; - server_config_string+= server->hostname(); - server_config_string+= ":"; - server_config_string+= port_str; - server_config_string+= " "; - } + bool is_libtool() + { + return false; + } - // Socket - { + // Memcached's pidfile is broken + bool broken_pid_file() + { + return true; + } - std::string socket_file(SOCKET_FILE); - char *var; + bool build(int argc, const char *argv[]); +}; - if ((var= getenv("LIBMEMCACHED_SOCKET"))) - { - socket_file= var; - } - server_st *server= new server_st(SOCKET_FILE, __getpid, __ping); +#include - if (not cycle_server(server)) - { - std::cerr << CERR_PREFIX << "Found server " << server << ", could not flush it, failing since socket file is not available." << std::endl; - return false; - } +bool Memcached::build(int argc, const char *argv[]) +{ + std::stringstream arg_buffer; - if (server->is_used()) - { - std::cerr << std::endl << "Using server at : " << *server << std::endl; - } - else - { - char buffer[FILENAME_MAX]; - snprintf(buffer, sizeof(buffer), "%s -d -t 1 -s %s", MEMCACHED_BINARY, SOCKET_FILE); - server->set_command(buffer); - - if (not server->start()) - { - std::cerr << CERR_PREFIX << "Failed system(" << buffer << ")" << std::endl; - delete server; - return false; - } - std::cerr << "STARTING SERVER: " << buffer << " pid:" << server->pid() << std::endl; - } - set_default_socket(server->hostname()); - construct->push_server(server); + if (getuid() == 0 or geteuid() == 0) + { + arg_buffer << " -u root "; + } - { - server_config_string+= "--socket=\""; - server_config_string+= server->hostname(); - server_config_string+= "\" "; - } - } + arg_buffer << " -l 127.0.0.1 "; - server_config_string.resize(server_config_string.size() -1); // Remove final space - construct->server_list= server_config_string; + for (int x= 1 ; x < argc ; x++) + { + arg_buffer << " " << argv[x] << " "; } - srandom((unsigned int)time(NULL)); + set_extra_args(arg_buffer.str()); - std::cerr << std::endl; return true; } -void server_shutdown(server_startup_st *construct) +namespace libtest { + +Server *build_memcached(const std::string& hostname, const in_port_t try_port) { - if (not construct) - return; + return new Memcached(hostname, try_port, false); +} - construct->shutdown(); +Server *build_memcached_socket(const std::string& hostname, const in_port_t try_port) +{ + return new Memcached(hostname, try_port, true); } + +} +