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00022 #include <config.h>
00023 #include <drizzled/gettext.h>
00024 #include <drizzled/error.h>
00025 #include <drizzled/query_id.h>
00026 #include <drizzled/session.h>
00027 #include <drizzled/internal/my_sys.h>
00028 #include <drizzled/internal/m_string.h>
00029 #include <algorithm>
00030 #include <iostream>
00031 #include <boost/program_options.hpp>
00032 #include <drizzled/module/option_map.h>
00033 #include <drizzled/util/tokenize.h>
00034 #include "drizzle_protocol.h"
00035
00036 namespace po= boost::program_options;
00037 using namespace drizzled;
00038 using namespace std;
00039
00040 namespace drizzle_plugin
00041 {
00042 namespace drizzle_protocol
00043 {
00044
00045 std::vector<std::string> ClientDrizzleProtocol::drizzle_admin_ip_addresses;
00046 static port_constraint port;
00047 static timeout_constraint connect_timeout;
00048 static timeout_constraint read_timeout;
00049 static timeout_constraint write_timeout;
00050 static retry_constraint retry_count;
00051 static buffer_constraint buffer_length;
00052
00053 static const uint32_t DRIZZLE_TCP_PORT= 4427;
00054
00055 ProtocolCounters *ListenDrizzleProtocol::drizzle_counters= new ProtocolCounters();
00056
00057 ListenDrizzleProtocol::~ListenDrizzleProtocol()
00058 {
00059 }
00060
00061 in_port_t ListenDrizzleProtocol::getPort(void) const
00062 {
00063 return port;
00064 }
00065
00066 void ClientDrizzleProtocol::drizzle_compose_ip_addresses(vector<string> options)
00067 {
00068 for (vector<string>::iterator it= options.begin();
00069 it != options.end();
00070 ++it)
00071 {
00072 tokenize(*it, drizzle_admin_ip_addresses, ",", true);
00073 }
00074 }
00075
00076 bool ClientDrizzleProtocol::isAdminAllowed(void)
00077 {
00078 if (std::find(drizzle_admin_ip_addresses.begin(), drizzle_admin_ip_addresses.end(), session->user()->address()) != drizzle_admin_ip_addresses.end())
00079 return true;
00080
00081 return false;
00082 }
00083
00084 plugin::Client *ListenDrizzleProtocol::getClient(int fd)
00085 {
00086 int new_fd;
00087 new_fd= acceptTcp(fd);
00088 if (new_fd == -1)
00089 return NULL;
00090
00091 return new ClientDrizzleProtocol(new_fd, getCounters());
00092 }
00093
00094 static int init(drizzled::module::Context &context)
00095 {
00096 const module::option_map &vm= context.getOptions();
00097
00098 ListenDrizzleProtocol *protocol=new ListenDrizzleProtocol("drizzle_protocol", vm["bind-address"].as<std::string>(), true);
00099 protocol->addCountersToTable();
00100 context.add(protocol);
00101 context.registerVariable(new sys_var_constrained_value_readonly<in_port_t>("port", port));
00102 context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("connect_timeout", connect_timeout));
00103 context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("read_timeout", read_timeout));
00104 context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("write_timeout", write_timeout));
00105 context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("retry_count", retry_count));
00106 context.registerVariable(new sys_var_constrained_value_readonly<uint32_t>("buffer_length", buffer_length));
00107 context.registerVariable(new sys_var_const_string_val("bind_address",
00108 vm["bind-address"].as<std::string>()));
00109
00110 context.registerVariable(new sys_var_uint32_t_ptr("max-connections", &ListenDrizzleProtocol::drizzle_counters->max_connections));
00111
00112 return 0;
00113 }
00114
00115
00116 static void init_options(drizzled::module::option_context &context)
00117 {
00118 context("port",
00119 po::value<port_constraint>(&port)->default_value(DRIZZLE_TCP_PORT),
00120 N_("Port number to use for connection or 0 for default to with Drizzle/MySQL protocol."));
00121 context("connect-timeout",
00122 po::value<timeout_constraint>(&connect_timeout)->default_value(10),
00123 N_("Connect Timeout."));
00124 context("read-timeout",
00125 po::value<timeout_constraint>(&read_timeout)->default_value(30),
00126 N_("Read Timeout."));
00127 context("write-timeout",
00128 po::value<timeout_constraint>(&write_timeout)->default_value(60),
00129 N_("Write Timeout."));
00130 context("retry-count",
00131 po::value<retry_constraint>(&retry_count)->default_value(10),
00132 N_("Retry Count."));
00133 context("buffer-length",
00134 po::value<buffer_constraint>(&buffer_length)->default_value(16384),
00135 N_("Buffer length."));
00136 context("bind-address",
00137 po::value<std::string>()->default_value("localhost"),
00138 N_("Address to bind to."));
00139 context("max-connections",
00140 po::value<uint32_t>(&ListenDrizzleProtocol::drizzle_counters->max_connections)->default_value(1000),
00141 N_("Maximum simultaneous connections."));
00142 context("admin-ip-addresses",
00143 po::value<vector<string> >()->composing()->notifier(&ClientDrizzleProtocol::drizzle_compose_ip_addresses),
00144 N_("A restrictive IP address list for incoming admin connections."));
00145 }
00146
00147 }
00148 }
00149
00150 DRIZZLE_PLUGIN(drizzle_plugin::drizzle_protocol::init, NULL, drizzle_plugin::drizzle_protocol::init_options);