1 files changed, 123 insertions, 0 deletions
diff --git a/sql/sql_connect.h b/sql/sql_connect.h
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+++ b/sql/sql_connect.h
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+/* Copyright (c) 2006, 2011, Oracle and/or its affiliates. All rights reserved.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1335  USA */
+
+#ifndef SQL_CONNECT_INCLUDED
+#define SQL_CONNECT_INCLUDED
+
+#include <my_sys.h>                          /* pthread_handler_t */
+#include "mysql_com.h"                         /* enum_server_command */
+#include "structs.h"
+#include <mysql/psi/mysql_socket.h>
+#include <hash.h>
+#include "violite.h"
+
+/*
+  Object to hold connect information to be given to the newly created thread
+*/
+
+struct scheduler_functions;
+
+class CONNECT : public ilink {
+public:
+  MYSQL_SOCKET sock;
+#ifdef _WIN32
+  HANDLE pipe;
+  CONNECT(HANDLE pipe_arg): pipe(pipe_arg), vio_type(VIO_TYPE_NAMEDPIPE),
+    scheduler(thread_scheduler), thread_id(0), prior_thr_create_utime(0)
+  {
+    count++;
+  }
+#endif
+  enum enum_vio_type vio_type;
+  scheduler_functions *scheduler;
+  my_thread_id thread_id;
+
+  /* Own variables */
+  ulonglong    prior_thr_create_utime;
+
+  static Atomic_counter<uint32_t> count;
+
+  CONNECT(MYSQL_SOCKET sock_arg, enum enum_vio_type vio_type_arg,
+          scheduler_functions *scheduler_arg): sock(sock_arg),
+    vio_type(vio_type_arg), scheduler(scheduler_arg), thread_id(0),
+    prior_thr_create_utime(0)
+  {
+    count++;
+  }
+  ~CONNECT()
+  {
+    count--;
+    DBUG_ASSERT(vio_type == VIO_CLOSED);
+  }
+  void close_and_delete();
+  void close_with_error(uint sql_errno,
+                        const char *message, uint close_error);
+  THD *create_thd(THD *thd);
+};
+
+
+class THD;
+typedef struct user_conn USER_CONN;
+
+void init_max_user_conn(void);
+void init_global_user_stats(void);
+void init_global_table_stats(void);
+void init_global_index_stats(void);
+void init_global_client_stats(void);
+void free_max_user_conn(void);
+void free_global_user_stats(void);
+void free_global_table_stats(void);
+void free_global_index_stats(void);
+void free_global_client_stats(void);
+
+pthread_handler_t handle_one_connection(void *arg);
+void do_handle_one_connection(CONNECT *connect, bool put_in_cache);
+bool init_new_connection_handler_thread();
+void reset_mqh(LEX_USER *lu, bool get_them);
+bool check_mqh(THD *thd, uint check_command);
+void time_out_user_resource_limits(THD *thd, USER_CONN *uc);
+#ifndef NO_EMBEDDED_ACCESS_CHECKS
+void decrease_user_connections(USER_CONN *uc);
+#else
+#define decrease_user_connections(X) do { } while(0)       /* nothing */
+#endif
+bool thd_init_client_charset(THD *thd, uint cs_number);
+void setup_connection_thread_globals(THD *thd);
+bool thd_prepare_connection(THD *thd);
+bool thd_is_connection_alive(THD *thd);
+int thd_set_peer_addr(THD *thd, sockaddr_storage *addr,
+                      const char *ip, uint port,
+                      bool check_proxy_networks,
+                      uint *host_errors);
+
+bool login_connection(THD *thd);
+void prepare_new_connection_state(THD* thd);
+void end_connection(THD *thd);
+void update_global_user_stats(THD* thd, bool create_user, time_t now);
+int get_or_create_user_conn(THD *thd, const char *user,
+                            const char *host, const USER_RESOURCES *mqh);
+int check_for_max_user_connections(THD *thd, USER_CONN *uc);
+
+extern HASH global_user_stats;
+extern HASH global_client_stats;
+extern HASH global_table_stats;
+extern HASH global_index_stats;
+
+extern mysql_mutex_t LOCK_global_user_client_stats;
+extern mysql_mutex_t LOCK_global_table_stats;
+extern mysql_mutex_t LOCK_global_index_stats;
+extern mysql_mutex_t LOCK_stats;
+
+#endif /* SQL_CONNECT_INCLUDED */