Intermediate commit - just to make new files visible to bk in the new

tree


server-tools/instance-manager/Makefile.am:
  Fixed IM linking to avoid using both mysys and libmysql as the define the
  same symbols and therefore conflict
server-tools/instance-manager/listener.cc:
  Added ability to listen network ports
server-tools/instance-manager/listener.h:
  Various additions to the Listener_thread_args
server-tools/instance-manager/log.cc:
  merge
server-tools/instance-manager/log.h:
  merge
server-tools/instance-manager/manager.cc:
  Fixes and additions to enable guardian functionality
server-tools/instance-manager/manager.h:
  Changed manager() signature
server-tools/instance-manager/mysqlmanager.cc:
  Various fixes
server-tools/instance-manager/options.cc:
  Added handling of default values for new options in the Options struct. (such
  as default_user, default_password, monitoring_interval e.t.c)
server-tools/instance-manager/options.h:
  Added new options to the Options struct
sql/net_serv.cc:
  Added MYSQL_INSTANCE_MANAGER defines to enable alarm handling in the IM
server-tools/instance-manager/buffer.cc:
  Simple implementation of variable-length buffer
server-tools/instance-manager/command.cc:
  Abstract command. All commands are derived from Command class
server-tools/instance-manager/commands.h:
  Interfaces for all commands we have
server-tools/instance-manager/factory.cc:
  Commands factory. This class hides command instantiation. The idea is to
  handle various protocols this way. (different commands for different
  protocols
server-tools/instance-manager/guardian.cc:
  Guardian thread implementation (monitor and restart instances in case of a
  failure
server-tools/instance-manager/guardian.h:
  Guardian_thread and Guardian_thread_args class interface. The
  Guardian_thread is responsible for monitoring and restarting instances
server-tools/instance-manager/instance.cc:
  Instance class contains methods and data to manage a single instance
server-tools/instance-manager/instance.h:
  This file contains class an instance class interface. The class is
  responsible for starting/stopping an instance
server-tools/instance-manager/instance_map.cc:
  The instance repository. This class is also responsible for initialization
  of Instance class objects.
server-tools/instance-manager/instance_options.cc:
  The Instance_options class contains all methods to get and  handle options
  of an instance
server-tools/instance-manager/mysql_connection.cc:
  The class responsible for handling MySQL client/server protocol connections
server-tools/instance-manager/mysql_manager_error.h:
  The list of Instance Manger-specific errors
server-tools/instance-manager/parse.cc:
  Simple query parser
server-tools/instance-manager/parse.h:
  Parser interface
server-tools/instance-manager/protocol.cc:
  Here implemented functions used to handle mysql client/server protocol
server-tools/instance-manager/protocol.h:
  Interface for MySQL client/server protocol
server-tools/instance-manager/thread_registry.cc:
  Thread registry stores information about every thread. It's main function is
  to provide graceful shutdown for all threads.
server-tools/instance-manager/user_map.h:
  User map contains hash with user names and passwords

1 files changed, 171 insertions, 0 deletions

diff --git a/server-tools/instance-manager/protocol.cc b/server-tools/instance-manager/protocol.cc
new file mode 100644
index 00000000000..6bb6c6d2fa0
--- /dev/null
+++ b/server-tools/instance-manager/protocol.cc
@@ -0,0 +1,171 @@
+/* Copyright (C) 2003 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+
+   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; either version 2 of the License, or
+   (at your option) any later version.
+
+   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#include <my_global.h>
+#include <my_sys.h>
+#include <mysql_com.h>
+#include <m_string.h>
+
+#include "messages.h"
+#include "protocol.h"
+
+static char eof_buff[1]= { (char) 254 };        /* Marker for end of fields */
+
+int net_send_ok(struct st_net *net, unsigned long connection_id)
+{
+  char buff[1 +                                 // packet type code
+            9 +                                 // affected rows count
+            9 +                                 // connection id
+            2 +                                 // thread return status
+            2];                                 // warning count
+
+  char *pos= buff;
+  enum { OK_PACKET_CODE= 0 };
+  *pos++= OK_PACKET_CODE;
+  pos= net_store_length(pos, (ulonglong) 0);
+  pos= net_store_length(pos, (ulonglong) connection_id);
+  int2store(pos, *net->return_status);
+  pos+= 2;
+  /* We don't support warnings, so store 0 for total warning count */
+  int2store(pos, 0);
+  pos+= 2;
+
+  return my_net_write(net, buff, pos - buff) || net_flush(net);
+}
+
+
+int net_send_error(struct st_net *net, uint sql_errno)
+{
+  const char *err= message(sql_errno);
+  char buff[1 +                                 // packet type code
+            2 +                                 // sql error number
+            1 + SQLSTATE_LENGTH +               // sql state
+            MYSQL_ERRMSG_SIZE];                 // message
+  char *pos= buff;
+
+  enum { ERROR_PACKET_CODE= 255 };
+  *pos++= ERROR_PACKET_CODE;
+  int2store(pos, sql_errno);
+  pos+= 2;
+  /* The first # is to make the protocol backward compatible */
+  *pos++= '#';
+  memcpy(pos, errno_to_sqlstate(sql_errno), SQLSTATE_LENGTH);
+  pos+= SQLSTATE_LENGTH;
+  pos= strmake(pos, err, MYSQL_ERRMSG_SIZE - 1) + 1;
+  return my_net_write(net, buff, pos - buff) || net_flush(net);
+}
+
+
+int net_send_error_323(struct st_net *net, uint sql_errno)
+{
+  const char *err= message(sql_errno);
+  char buff[1 +                                 // packet type code
+            2 +                                 // sql error number
+            MYSQL_ERRMSG_SIZE];                 // message
+  char *pos= buff;
+
+  enum { ERROR_PACKET_CODE= 255 };
+  *pos++= ERROR_PACKET_CODE;
+  int2store(pos, sql_errno);
+  pos+= 2;
+  pos= strmake(pos, err, MYSQL_ERRMSG_SIZE - 1) + 1;
+  return my_net_write(net, buff, pos - buff) || net_flush(net);
+}
+
+char *net_store_length(char *pkg, uint length)
+{
+  uchar *packet=(uchar*) pkg;
+  if (length < 251)
+  {
+    *packet=(uchar) length;
+    return (char*) packet+1;
+  }
+  *packet++=252;
+  int2store(packet,(uint) length);
+  return (char*) packet+2;
+}
+
+
+void store_to_string(Buffer *buf, const char *string, uint *position)
+{
+  char* currpos;
+  uint string_len;
+
+  string_len= strlen(string);
+  buf->check_and_add(*position, 2);
+  currpos= net_store_length(buf->buffer + *position, string_len);
+  buf->put_to_buffer(currpos, string, string_len);
+  *position= *position + string_len + (currpos - buf->buffer - *position);
+}
+
+
+int send_eof(struct st_net *net)
+{
+  char buff[1 + /* eof packet code */
+            2 + /* warning count */
+            2]; /* server status */
+
+  buff[0]=254;
+  int2store(buff+1, 0);
+  int2store(buff+3, 0);
+  return my_net_write(net, buff, sizeof buff);
+}
+
+int send_fields(struct st_net *net, LIST *fields)
+{
+  LIST *tmp= fields;
+  Buffer send_buff;
+  char small_buff[4];
+  uint position= 0;
+  NAME_WITH_LENGTH *field;
+
+  /* send the number of fileds */
+  net_store_length(small_buff, (uint) list_length(fields));
+  my_net_write(net, small_buff, (uint) 1);
+
+  while (tmp)
+  {
+    position= 0;
+    field= (NAME_WITH_LENGTH *) tmp->data;
+
+    store_to_string(&send_buff, (char *) "", &position); /* catalog name */
+    store_to_string(&send_buff, (char *) "", &position); /* db name */
+    store_to_string(&send_buff, (char *) "", &position); /* table name */
+    store_to_string(&send_buff, (char *) "", &position); /* table name alias */
+    store_to_string(&send_buff, field->name, &position); /* column name */
+    store_to_string(&send_buff, field->name, &position); /* column name alias */
+    send_buff.check_and_add(position, 12);
+    send_buff.buffer[position++]= 12;
+    int2store(send_buff.buffer + position, 1); /* charsetnr */
+    int4store(send_buff.buffer + position + 2, field->length); /* field length */
+    send_buff.buffer[position+6]= FIELD_TYPE_STRING; /* type */
+    int2store(send_buff.buffer + position + 7, 0); /* flags */
+    send_buff.buffer[position + 9]= (char) 0; /* decimals */
+    send_buff.buffer[position + 10]= 0;
+    send_buff.buffer[position + 11]= 0;
+    position+= 12;
+    if (my_net_write(net, send_buff.buffer, (uint) position+1))
+      goto err;
+    tmp= rest(tmp);
+  }
+
+  if ( my_net_write(net, eof_buff, 1))
+    goto err;
+  return 0;
+
+err:
+  return 1;
+}