fix for the IM linking problem

BitKeeper/etc/ignore:
  Added mysql-5.0.2-alpha.tar.gz server-tools/instance-manager/client.c server-tools/instance-manager/client_settings.h server-tools/instance-manager/errmsg.c to the ignore list
server-tools/instance-manager/instance_map.cc:
  Comment updated
server-tools/instance-manager/priv.cc:
  added variables needed by net_serv.cc
server-tools/instance-manager/priv.h:
  declared variables needed by net_serv.cc
sql/net_serv.cc:
  added some IM-specific defines

.bzrignore

@@ -940,3 +940,7 @@ vio/test-sslclient
 vio/test-sslserver
 vio/viotest-ssl
 server-tools/instance-manager/thr_alarm.c
+mysql-5.0.2-alpha.tar.gz
+server-tools/instance-manager/client.c
+server-tools/instance-manager/client_settings.h
+server-tools/instance-manager/errmsg.c

server-tools/instance-manager/Makefile.am

@@ -16,14 +16,14 @@
 
 INCLUDES= -I$(top_srcdir)/include
 
-DEFS= -DMYSQL_INSTANCE_MANAGER
+DEFS= -DMYSQL_INSTANCE_MANAGER -DMYSQL_SERVER
 
 # As all autoconf variables depend from ${prefix} and being resolved only when
 # make is run, we can not put these defines to a header file (e.g. to
 # default_options.h, generated from default_options.h.in)
 # See automake/autoconf docs for details
 
-noinst_LIBRARIES= liboptions.a libnet.a libalarm.a
+noinst_LIBRARIES= liboptions.a libnet.a
 
 liboptions_a_CPPFLAGS= $(CPPFLAGS) \
 	-DDEFAULT_PID_FILE_NAME="$(localstatedir)/mysqlmanager.pid" \
@@ -34,7 +34,7 @@ liboptions_a_CPPFLAGS= $(CPPFLAGS) \
 	-DDEFAULT_USER="root" \
 	-DDEFAULT_PASSWORD="" \
 	-DDEFAULT_MONITORING_INTERVAL="5" \
-	-DDEFAULT_PORT="3406" \
+	-DDEFAULT_PORT="33006" \
 	-DPROTOCOL_VERSION=@PROTOCOL_VERSION@
 
 liboptions_a_SOURCES= options.h options.cc priv.h priv.cc
@@ -42,37 +42,28 @@ liboptions_a_SOURCES= options.h options.cc priv.h priv.cc
 # MySQL sometimes uses symlinks to reuse code 
 # All symlinked files are grouped in libnet.a
 
-nodist_libnet_a_SOURCES= password.c pack.c sql_state.c net_serv.cc
-nodist_libnet_a_CPPFLAGS= $(CPPFLAGS) -DMYSQL_SERVER
+nodist_libnet_a_SOURCES= net_serv.cc client.c errmsg.c
+libnet_a_LIBADD= $(top_builddir)/sql/password.$(OBJEXT) \
+	$(top_builddir)/sql/pack.$(OBJEXT) \
+	$(top_builddir)/sql/sql_state.$(OBJEXT)
 
-nodist_libalarm_a_SOURCES= thr_alarm.c
-nodist_libalarm_a_CPPFLAGS= $(CPPFLAGS) -DMYSQL_SERVER
-libalarm_a_LIBADD=	$(top_builddir)/mysys/mf_qsort2.$(OBJEXT) \
-	$(top_builddir)/mysys/queues.$(OBJEXT) \
-	$(top_builddir)/mysys/my_new.$(OBJEXT)
-        
-
-CLEANFILES= net_serv.cc password.c pack.c sql_state.c thr_alarm.c
+CLEANFILES= net_serv.cc client.c client_settings.h errmsg.c
 
 net_serv.cc: Makefile
 	rm -f $(srcdir)/net_serv.cc
 	@LN_CP_F@ $(top_srcdir)/sql/net_serv.cc $(srcdir)/net_serv.cc
 
-password.c: Makefile
-	rm -f $(srcdir)/password.c
-	@LN_CP_F@ $(top_srcdir)/sql/password.c $(srcdir)/password.c
-
-pack.c: Makefile
-	rm -f $(srcdir)/pack.c
-	@LN_CP_F@ $(top_srcdir)/sql-common/pack.c $(srcdir)/pack.c
+client.c: Makefile
+	rm -f $(srcdir)/client.c
+	@LN_CP_F@ $(top_srcdir)/sql-common/client.c $(srcdir)/client.c
 
-sql_state.c: Makefile
-	rm -f $(srcdir)/sql_state.c
-	@LN_CP_F@ $(top_srcdir)/sql/sql_state.c $(srcdir)/sql_state.c
+errmsg.c: Makefile
+	rm -f $(srcdir)/errmsg.c
+	@LN_CP_F@ $(top_srcdir)/libmysql/errmsg.c $(srcdir)/errmsg.c
 
-thr_alarm.c: Makefile
-	rm -f $(srcdir)/thr_alarm.c
-	@LN_CP_F@ $(top_srcdir)/mysys/thr_alarm.c $(srcdir)/thr_alarm.c
+client_settings.h: Makefile
+	rm -f $(srcdir)/client_settings.h
+	@LN_CP_F@ $(top_srcdir)/sql/client_settings.h $(srcdir)/client_settings.h
 
 bin_PROGRAMS= mysqlmanager
 
@@ -90,15 +81,16 @@ mysqlmanager_SOURCES=	command.cc command.h mysqlmanager.cc \
 			instance_map.h instance_map.cc\
 			instance_options.h instance_options.cc \
 			buffer.h buffer.cc parse.cc parse.h \
-			guardian.cc guardian.h common_structures.h \
-                        mysql_manager_error.h
+			guardian.cc guardian.h \
+                        mysql_manager_error.h client_func.c
 
 mysqlmanager_LDADD=	liboptions.a \
 			libnet.a \
-                        libalarm.a \
 			$(top_builddir)/vio/libvio.a \
-			$(top_builddir)/libmysql_r/libmysqlclient_r.la \
-			$(top_builddir)/dbug/libdbug.a -lz
+			$(top_builddir)/mysys/libmysys.a \
+			$(top_builddir)/strings/libmystrings.a \
+			$(top_builddir)/dbug/libdbug.a \
+			@openssl_libs@ @ZLIB_LIBS@
 
 
 tags:

server-tools/instance-manager/client_func.c

+#include <my_global.h>
+#include <my_sys.h>
+#include <mysql.h>
+
+/*
+  Currently we cannot use libmysqlclient directly becouse of the linking
+  issues. Here we provide needed libmysqlclient functions.
+  TODO: to think how to use libmysqlclient code instead of copy&paste.
+  The other possible solution is to use simple_command directly.
+*/
+
+const char * STDCALL
+mysql_get_server_info(MYSQL *mysql)
+{
+  return((char*) mysql->server_version);
+}
+
+int STDCALL
+mysql_ping(MYSQL *mysql)
+{
+  DBUG_ENTER("mysql_ping");
+  DBUG_RETURN(simple_command(mysql,COM_PING,0,0,0));
+}
+
+int STDCALL
+mysql_shutdown(MYSQL *mysql, enum mysql_enum_shutdown_level shutdown_level)
+{
+  uchar level[1];
+  DBUG_ENTER("mysql_shutdown");
+  level[0]= (uchar) shutdown_level;
+  DBUG_RETURN(simple_command(mysql, COM_SHUTDOWN, (char *)level, 1, 0));
+}

server-tools/instance-manager/instance_map.cc

@@ -27,10 +27,9 @@
 #include <m_string.h>
 
 /*
-  TODO: Currently there are some mysql-connection specific functions.
-  As we are going to suppost different types of connections, we shouldn't
-  have them here in future. To avoid it we could put such
-  connection-specific functions to the Command-derived class instead.
+  Note:  As we are going to suppost different types of connections,
+  we shouldn't have connection-specific functions. To avoid it we could
+  put such functions to the Command-derived class instead.
   The command could be easily constructed for a specific connection if
   we would provide a special factory for each connection.
 */

server-tools/instance-manager/priv.cc

@@ -32,3 +32,8 @@ unsigned long net_write_timeout= 60;            // same as in mysqld
 
 unsigned long net_retry_count= 10;              // same as in mysqld
 
+/* needed by net_serv.cc */
+unsigned int test_flags= 0;
+unsigned long bytes_sent = 0L, bytes_received = 0L;
+unsigned long mysqld_net_retry_count = 10L;
+unsigned long open_files_limit;

server-tools/instance-manager/priv.h

@@ -56,5 +56,9 @@ extern unsigned long net_write_timeout;
 */
 extern unsigned long net_retry_count;
 
+extern unsigned int test_flags;
+extern unsigned long bytes_sent, bytes_received;
+extern unsigned long mysqld_net_retry_count;
+extern unsigned long open_files_limit;
 
 #endif // INCLUDES_MYSQL_INSTANCE_MANAGER_PRIV_H

sql/net_serv.cc

@@ -78,7 +78,7 @@ my_bool	net_flush(NET *net);
   can't normally do this the client should have a bigger max_allowed_packet.
 */
 
-#if (defined(__WIN__) || (!defined(MYSQL_SERVER) && !defined(MYSQL_INSTANCE_MANAGER)))
+#if defined(__WIN__) || !defined(MYSQL_SERVER)
   /* The following is because alarms doesn't work on windows. */
 #define NO_ALARM
 #endif
@@ -93,7 +93,6 @@ void sql_print_error(const char *format,...);
 #include "thr_alarm.h"
 
 #ifdef MYSQL_SERVER
-#define USE_QUERY_CACHE
 /*
   The following variables/functions should really not be declared
   extern, but as it's hard to include mysql_priv.h here, we have to
@@ -102,9 +101,14 @@ void sql_print_error(const char *format,...);
 extern uint test_flags;
 extern ulong bytes_sent, bytes_received, net_big_packet_count;
 extern pthread_mutex_t LOCK_bytes_sent , LOCK_bytes_received;
+#ifndef MYSQL_INSTANCE_MANAGER
 extern void query_cache_insert(NET *net, const char *packet, ulong length);
+#define USE_QUERY_CACHE
 #define update_statistics(A) A
-#else
+#endif /* MYSQL_INSTANCE_MANGER */
+#endif /* defined(MYSQL_SERVER) && !defined(MYSQL_INSTANCE_MANAGER) */
+
+#if !defined(MYSQL_SERVER) || defined(MYSQL_INSTANCE_MANAGER)
 #define update_statistics(A)
 #define thd_increment_bytes_sent()
 #endif
@@ -453,7 +457,8 @@ net_real_write(NET *net,const char *packet,ulong len)
   my_bool net_blocking = vio_is_blocking(net->vio);
   DBUG_ENTER("net_real_write");
 
-#if defined(MYSQL_SERVER) && defined(HAVE_QUERY_CACHE)
+#if defined(MYSQL_SERVER) && defined(HAVE_QUERY_CACHE) \
+                          && !defined(MYSQL_INSTANCE_MANAGER)
   if (net->query_cache_query != 0)
     query_cache_insert(net, packet, len);
 #endif
@@ -663,13 +668,6 @@ static my_bool my_net_skip_rest(NET *net, uint32 remain, thr_alarm_t *alarmed,
 }
 #endif /* NO_ALARM */
 
-/* 
-  If we are inside of the instance manageer, we need to simulate mysql
-  server for the following function.
-*/
-#ifdef MYSQL_INSTANCE_MANAGER
-#define MYSQL_SERVER
-#endif
 
 /*
   Reads one packet to net->buff + net->where_b
@@ -859,9 +857,6 @@ end:
   return(len);
 }
 
-#ifdef MYSQL_INSTANCE_MANAGER
-#undef MYSQL_SERVER
-#endif
 
 /*
   Read a packet from the client/server and return it without the internal