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Commit c4e3a624 authored by hf@deer.(none)'s avatar hf@deer.(none)
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SCRUM 

client capabilities included into libmysqld
some API methods became "virtual"
lots of duplicated code removed

IMHO all the above made library's code way more pleasant to look at, didn't it?
parent f5bd6416
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Showing with 217 additions and 1568 deletions
.bzrignore
View file @ c4e3a624
......@@ -622,3 +622,7 @@ vio/test-ssl
vio/test-sslclient
vio/test-sslserver
vio/viotest-ssl
libmysqld/client.c
libmysqld/client_settings.h
libmysqld/libmysql.c
libmysqld/pack.c
client/mysqltest.c
View file @ c4e3a624
......@@ -319,7 +319,7 @@ static uint out_length;
static int eval_result = 0;
/* Disable functions that only exist in MySQL 4.0 */
#if MYSQL_VERSION_ID < 40000 || defined(EMBEDDED_LIBRARY)
#if MYSQL_VERSION_ID < 40000
void mysql_enable_rpl_parse(MYSQL* mysql __attribute__((unused))) {}
void mysql_disable_rpl_parse(MYSQL* mysql __attribute__((unused))) {}
int mysql_rpl_parse_enabled(MYSQL* mysql __attribute__((unused))) { return 1; }
......
include/mysql.h
View file @ c4e3a624
......@@ -201,6 +201,7 @@ enum mysql_rpl_type
MYSQL_RPL_MASTER, MYSQL_RPL_SLAVE, MYSQL_RPL_ADMIN
};
struct st_mysql_methods;
#if !defined(CHECK_EMBEDDED_DIFFERENCES) || !defined(EMBEDDED_LIBRARY)
......@@ -247,11 +248,13 @@ typedef struct st_mysql
struct st_mysql* last_used_con;
LIST *stmts; /* list of all statements */
const struct st_mysql_methods *methods;
#if !defined(CHECK_EMBEDDED_DIFFERENCES)
struct st_mysql_res *result;
void *thd;
unsigned int last_errno;
char *last_error;
char sqlstate[SQLSTATE_LENGTH+1]; /* Used by embedded server */
#endif
} MYSQL;
......@@ -378,12 +381,10 @@ MYSQL * STDCALL mysql_real_connect(MYSQL *mysql, const char *host,
unsigned int port,
const char *unix_socket,
unsigned long clientflag);
void STDCALL mysql_close(MYSQL *sock);
int STDCALL mysql_select_db(MYSQL *mysql, const char *db);
int STDCALL mysql_query(MYSQL *mysql, const char *q);
int STDCALL mysql_send_query(MYSQL *mysql, const char *q,
unsigned long length);
my_bool STDCALL mysql_read_query_result(MYSQL *mysql);
int STDCALL mysql_real_query(MYSQL *mysql, const char *q,
unsigned long length);
/* perform query on master */
......@@ -444,8 +445,6 @@ MYSQL_RES * STDCALL mysql_list_tables(MYSQL *mysql,const char *wild);
MYSQL_RES * STDCALL mysql_list_fields(MYSQL *mysql, const char *table,
const char *wild);
MYSQL_RES * STDCALL mysql_list_processes(MYSQL *mysql);
MYSQL_RES * STDCALL mysql_store_result(MYSQL *mysql);
MYSQL_RES * STDCALL mysql_use_result(MYSQL *mysql);
int STDCALL mysql_options(MYSQL *mysql,enum mysql_option option,
const char *arg);
void STDCALL mysql_free_result(MYSQL_RES *result);
......@@ -566,6 +565,25 @@ typedef struct st_mysql_stmt
} MYSQL_STMT;
#define mysql_close(sock) (*(sock)->methods->close)(sock)
#define mysql_read_query_result(mysql) (*(mysql)->methods->read_query_result)(mysql)
#define mysql_store_result(mysql) (*(mysql)->methods->store_result)(mysql)
#define mysql_use_result(mysql) (*(mysql)->methods->use_result)(mysql)
typedef struct st_mysql_methods
{
void STDCALL (*close)(MYSQL *sock);
my_bool STDCALL (*read_query_result)(MYSQL *mysql);
my_bool STDCALL (*advanced_command)(MYSQL *mysql,
enum enum_server_command command,
const char *header,
ulong header_length,
const char *arg,
ulong arg_length, my_bool skip_check);
MYSQL_RES * STDCALL (*store_result)(MYSQL *mysql);
MYSQL_RES * STDCALL (*use_result)(MYSQL *mysql);
} MYSQL_METHODS;
MYSQL_STMT * STDCALL mysql_prepare(MYSQL * mysql, const char *query,
unsigned long length);
int STDCALL mysql_execute(MYSQL_STMT * stmt);
......
include/mysql_com.h
View file @ c4e3a624
......@@ -232,6 +232,9 @@ void my_net_local_init(NET *net);
void net_end(NET *net);
void net_clear(NET *net);
my_bool net_realloc(NET *net, unsigned long length);
/*HFTODO - should remove it
*/
#ifndef EMBEDDED_LIBRARY
my_bool net_flush(NET *net);
#else
......
include/mysql_embed.h
View file @ c4e3a624
......@@ -19,11 +19,13 @@
#ifdef EMBEDDED_LIBRARY
/* Things we don't need in the embedded version of MySQL */
/*HFTODO
#undef HAVE_VIO - if we don't want client in embedded library
*/
#undef HAVE_PSTACK /* No stacktrace */
#undef HAVE_DLOPEN /* No udf functions */
#undef HAVE_OPENSSL
#undef HAVE_VIO
#undef HAVE_ISAM
#undef HAVE_SMEM /* No shared memory */
......
include/sql_common.h
View file @ c4e3a624
......@@ -27,9 +27,6 @@ my_ulonglong net_field_length_ll(uchar **packet);
MYSQL_FIELD *unpack_fields(MYSQL_DATA *data,MEM_ROOT *alloc,uint fields,
my_bool default_value, uint server_capabilities);
my_bool advanced_command(MYSQL *mysql, enum enum_server_command command,
const char *header, ulong header_length,
const char *arg, ulong arg_length, my_bool skip_check);
void free_rows(MYSQL_DATA *cur);
MYSQL_DATA *read_rows (MYSQL *mysql,MYSQL_FIELD *fields,
uint field_count);
......@@ -38,6 +35,8 @@ void fetch_lengths(ulong *to, MYSQL_ROW column, uint field_count);
void free_old_query(MYSQL *mysql);
void end_server(MYSQL *mysql);
my_bool mysql_reconnect(MYSQL *mysql);
void mysql_read_default_options(struct st_mysql_options *options,
const char *filename,const char *group);
#ifdef __cplusplus
}
#endif
......
include/violite.h
View file @ c4e3a624
......@@ -220,7 +220,8 @@ enum SSL_type
};
#ifndef EMBEDDED_LIBRARY
/* HFTODO - hide this if we don't want client in embedded server
*/
/* This structure is for every connection on both sides */
struct st_vio
{
......@@ -263,5 +264,4 @@ struct st_vio
#endif /* HAVE_SMEM */
#endif /* HAVE_VIO */
};
#endif /* EMBEDDED_LIBRARY */
#endif /* vio_violite_h_ */
libmysql/client_settings.h
View file @ c4e3a624
......@@ -15,7 +15,6 @@
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
static my_bool mysql_client_init=0;
extern uint mysql_port;
extern my_string mysql_unix_port;
......@@ -35,7 +34,7 @@ char *shared_memory_base_name=0;
const char *def_shared_memory_base_name=default_shared_memory_base_name;
#endif
static my_bool org_my_init_done=0;
extern my_bool org_my_init_done;
sig_handler pipe_sig_handler(int sig __attribute__((unused)));
my_bool stmt_close(MYSQL_STMT *stmt, my_bool skip_list);
......@@ -56,3 +55,8 @@ my_bool send_file_to_server(MYSQL *mysql, const char *filename);
#define set_sigpipe(mysql)
#define reset_sigpipe(mysql)
#endif
#define CLI_MYSQL_USE_RESULT cli_mysql_use_result
MYSQL_RES * STDCALL cli_mysql_use_result(MYSQL *mysql);
libmysql/libmysql.c
View file @ c4e3a624
......@@ -58,13 +58,20 @@
#endif
#include <sql_common.h>
#include "client_settings.h"
#ifdef EMBEDDED_LIBRARY
#ifdef net_flush
#undef net_flush
#endif
my_bool net_flush(NET *net);
#endif
uint mysql_port=0;
my_string mysql_unix_port=0;
ulong net_buffer_length=8192;
ulong max_allowed_packet= 1024L*1024L*1024L;
ulong net_read_timeout= NET_READ_TIMEOUT;
ulong net_write_timeout= NET_WRITE_TIMEOUT;
#define CLIENT_CAPABILITIES (CLIENT_LONG_PASSWORD | CLIENT_LONG_FLAG \
| CLIENT_LOCAL_FILES | CLIENT_TRANSACTIONS \
......@@ -101,8 +108,9 @@ sig_handler pipe_sig_handler(int sig);
static ulong mysql_sub_escape_string(CHARSET_INFO *charset_info, char *to,
const char *from, ulong length);
my_bool stmt_close(MYSQL_STMT *stmt, my_bool skip_list);
static my_bool org_my_init_done=0;
my_bool org_my_init_done=0;
#ifndef EMBEDDED_LIBRARY
int STDCALL mysql_server_init(int argc __attribute__((unused)),
char **argv __attribute__((unused)),
char **groups __attribute__((unused)))
......@@ -119,6 +127,7 @@ void STDCALL mysql_server_end()
else
mysql_thread_end();
}
#endif /*EMBEDDED_LIBRARY*/
my_bool STDCALL mysql_thread_init()
{
......@@ -140,17 +149,6 @@ void STDCALL mysql_thread_end()
Let the user specify that we don't want SIGPIPE; This doesn't however work
with threaded applications as we can have multiple read in progress.
*/
#if !defined(__WIN__) && defined(SIGPIPE) && !defined(THREAD)
#define init_sigpipe_variables sig_return old_signal_handler=(sig_return) 0
#define set_sigpipe(mysql) if ((mysql)->client_flag & CLIENT_IGNORE_SIGPIPE) old_signal_handler=signal(SIGPIPE,pipe_sig_handler)
#define reset_sigpipe(mysql) if ((mysql)->client_flag & CLIENT_IGNORE_SIGPIPE) signal(SIGPIPE,old_signal_handler);
#else
#define init_sigpipe_variables
#define set_sigpipe(mysql)
#define reset_sigpipe(mysql)
#endif
static MYSQL* spawn_init(MYSQL* parent, const char* host,
unsigned int port,
const char* user,
......@@ -846,8 +844,7 @@ STDCALL mysql_add_slave(MYSQL* mysql, const char* host,
have to wait for the client (and will not wait more than 30 sec/packet).
**************************************************************************/
MYSQL_RES * STDCALL
mysql_use_result(MYSQL *mysql)
MYSQL_RES * STDCALL CLI_MYSQL_USE_RESULT(MYSQL *mysql)
{
MYSQL_RES *result;
DBUG_ENTER("mysql_use_result");
......@@ -1253,19 +1250,6 @@ uint STDCALL mysql_thread_safe(void)
Some support functions
****************************************************************************/
/*
Functions called my my_net_init() to set some application specific variables
*/
void my_net_local_init(NET *net)
{
net->max_packet= (uint) net_buffer_length;
net->read_timeout= (uint) net_read_timeout;
net->write_timeout=(uint) net_write_timeout;
net->retry_count= 1;
net->max_packet_size= max(net_buffer_length, max_allowed_packet);
}
/*
Add escape characters to a string (blob?) to make it suitable for a insert
to should at least have place for length*2+1 chars
......@@ -1999,8 +1983,9 @@ static my_bool execute(MYSQL_STMT * stmt, char *packet, ulong length)
mysql->last_used_con= mysql;
int4store(buff, stmt->stmt_id); /* Send stmt id to server */
if (advanced_command(mysql, COM_EXECUTE, buff, MYSQL_STMT_HEADER, packet,
length, 1) ||
if ((*mysql->methods->advanced_command)(mysql, COM_EXECUTE, buff,
MYSQL_STMT_HEADER, packet,
length, 1) ||
mysql_read_query_result(mysql))
{
set_stmt_errmsg(stmt, net->last_error, net->last_errno, net->sqlstate);
......@@ -2292,8 +2277,9 @@ mysql_send_long_data(MYSQL_STMT *stmt, uint param_number,
Note that we don't get any ok packet from the server in this case
This is intentional to save bandwidth.
*/
if (advanced_command(mysql, COM_LONG_DATA, extra_data,
MYSQL_LONG_DATA_HEADER, data, length, 1))
if ((*mysql->methods->advanced_command)(mysql, COM_LONG_DATA, extra_data,
MYSQL_LONG_DATA_HEADER, data,
length, 1))
{
set_stmt_errmsg(stmt, mysql->net.last_error,
mysql->net.last_errno, mysql->net.sqlstate);
......
libmysqld/Makefile.am
View file @ c4e3a624
......@@ -32,7 +32,7 @@ noinst_LIBRARIES = libmysqld_int.a
pkglib_LIBRARIES = libmysqld.a
SUBDIRS = . examples
libmysqld_sources= libmysqld.c lib_sql.cc
libmysqlsources = errmsg.c get_password.c
libmysqlsources = errmsg.c get_password.c libmysql.c client.c pack.c
noinst_HEADERS = embedded_priv.h
......@@ -57,8 +57,6 @@ sqlsources = derror.cc field.cc field_conv.cc filesort.cc \
unireg.cc uniques.cc stacktrace.c sql_union.cc hash_filo.cc \
spatial.cc gstream.cc sql_help.cc
EXTRA_DIST = lib_vio.c
libmysqld_int_a_SOURCES= $(libmysqld_sources) $(libmysqlsources) $(sqlsources)
libmysqld_a_SOURCES=
......@@ -74,7 +72,8 @@ INC_LIB= $(top_builddir)/regex/libregex.a \
$(top_builddir)/mysys/libmysys.a \
$(top_builddir)/strings/libmystrings.a \
$(top_builddir)/dbug/libdbug.a \
$(top_builddir)/regex/libregex.a
$(top_builddir)/regex/libregex.a \
$(top_builddir)/vio/libvio.a
#
# To make it easy for the end user to use the embedded library we
......@@ -115,11 +114,14 @@ link_sources:
for f in $(libmysqlsources); do \
rm -f $(srcdir)/$$f; \
@LN_CP_F@ $(srcdir)/../libmysql/$$f $(srcdir)/$$f; \
done
done; \
@LN_CP_F@ $(srcdir)/../libmysql/client_settings.h $(srcdir)/client_settings.h;
clean-local:
rm -f `echo $(sqlsources) $(libmysqlsources) | sed "s;\.lo;.c;g"` \
$(top_srcdir)/linked_libmysqld_sources
$(top_srcdir)/linked_libmysqld_sources; \
rm -f client_settings.h
# Don't update the files from bitkeeper
%::SCCS/s.%
libmysqld/examples/Makefile.am
View file @ c4e3a624
......@@ -10,7 +10,7 @@ link_sources:
DEFS = -DEMBEDDED_LIBRARY
INCLUDES = @MT_INCLUDES@ -I$(top_srcdir)/include -I$(srcdir) \
-I$(top_srcdir) -I$(top_srcdir)/client $(openssl_includes)
LIBS = @LIBS@ @WRAPLIBS@
LIBS = @LIBS@ @WRAPLIBS@ @CLIENT_LIBS@
LDADD = @CLIENT_EXTRA_LDFLAGS@ ../libmysqld.a @innodb_system_libs@ @bdb_libs_with_path@ @LIBDL@ $(CXXLDFLAGS)
mysqltest_SOURCES = mysqltest.c
......
libmysqld/lib_sql.cc
View file @ c4e3a624
......@@ -47,9 +47,10 @@ static bool check_user(THD *thd, enum_server_command command,
char * get_mysql_home(){ return mysql_home;};
char * get_mysql_real_data_home(){ return mysql_real_data_home;};
my_bool simple_command(MYSQL *mysql,enum enum_server_command command,
const char *arg,
ulong length, my_bool skipp_check)
my_bool
emb_advanced_command(MYSQL *mysql, enum enum_server_command command,
const char *header, ulong header_length,
const char *arg, ulong arg_length, my_bool skip_check)
{
my_bool result= 1;
THD *thd=(THD *) mysql->thd;
......@@ -67,9 +68,9 @@ my_bool simple_command(MYSQL *mysql,enum enum_server_command command,
mysql->affected_rows= ~(my_ulonglong) 0;
thd->store_globals(); // Fix if more than one connect
result= dispatch_command(command, thd, (char *) arg, length + 1);
result= dispatch_command(command, thd, (char *) arg, arg_length + 1);
if (!skipp_check)
if (!skip_check)
result= thd->net.last_errno ? -1 : 0;
mysql->last_error= thd->net.last_error;
......@@ -144,7 +145,6 @@ char **copy_arguments(int argc, char **argv)
extern "C"
{
ulong max_allowed_packet, net_buffer_length;
char ** copy_arguments_ptr= 0;
int STDCALL mysql_server_init(int argc, char **argv, char **groups)
......@@ -281,21 +281,6 @@ void STDCALL mysql_server_end()
my_end(0);
}
my_bool STDCALL mysql_thread_init()
{
#ifdef THREAD
return my_thread_init();
#else
return 0;
#endif
}
void STDCALL mysql_thread_end()
{
#ifdef THREAD
my_thread_end();
#endif
}
} /* extern "C" */
C_MODE_START
......@@ -454,11 +439,6 @@ send_eof(THD *thd, bool no_flush)
{
}
uint STDCALL mysql_warning_count(MYSQL *mysql)
{
return ((THD *)mysql->thd)->total_warn_count;
}
void Protocol_simple::prepare_for_resend()
{
MYSQL_ROWS *cur;
......
libmysqld/lib_vio.c deleted 100644 → 0
View file @ f5bd6416
/* Copyright (C) 2000 MySQL 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 */
/*
Note that we can't have assertion on file descriptors; The reason for
this is that during mysql shutdown, another thread can close a file
we are working on. In this case we should just return read errors from
the file descriptior.
*/
#ifdef DUMMY
#include <my_global.h>
#include "mysql_embed.h"
#include "mysql.h"
#ifndef HAVE_VIO /* is Vio enabled */
#include <errno.h>
#include <my_sys.h>
#include <violite.h>
#include <my_net.h>
#include <m_string.h>
#include <assert.h>
#ifndef __WIN__
#define HANDLE void *
#endif
struct st_vio
{
enum enum_vio_type type; /* Type of connection */
void *dest_thd;
char *packets, **last_packet;
char *where_in_packet, *end_of_packet;
my_bool reading;
MEM_ROOT root;
};
/* Initialize the communication buffer */
Vio *vio_new(my_socket sd, enum enum_vio_type type, my_bool localhost)
{
DBUG_ENTER("vio_new");
Vio * vio;
if ((vio= (Vio *) my_malloc(sizeof(*vio),MYF(MY_WME|MY_ZEROFILL))))
{
init_alloc_root(&vio->root, 8192, 8192);
vio->root.min_malloc = sizeof(char *) + 4;
vio->last_packet = &vio->packets;
vio->type = type;
}
DBUG_RETURN(vio);
}
#ifdef __WIN__
Vio *vio_new_win32pipe(HANDLE hPipe)
{
return (NULL);
}
#endif
void vio_delete(Vio * vio)
{
DBUG_ENTER("vio_delete");
if (vio)
{
if (vio->type != VIO_CLOSED)
vio_close(vio);
free_root(&vio->root, MYF(0));
my_free((gptr) vio, MYF(0));
}
DBUG_VOID_RETURN;
}
void vio_reset(Vio *vio)
{
DBUG_ENTER("vio_reset");
free_root(&vio->root, MYF(MY_KEEP_PREALLOC));
vio->packets = vio->where_in_packet = vio->end_of_packet = 0;
vio->last_packet = &vio->packets;
DBUG_VOID_RETURN;
}
int vio_errno(Vio *vio __attribute__((unused)))
{
return socket_errno; /* On Win32 this mapped to WSAGetLastError() */
}
int vio_read(Vio * vio, gptr buf, int size)
{
vio->reading = 1;
if (vio->where_in_packet >= vio->end_of_packet)
{
DBUG_ASSERT(vio->packets);
vio->where_in_packet = vio->packets + sizeof(char *) + 4;
vio->end_of_packet = vio->where_in_packet +
uint4korr(vio->packets + sizeof(char *));
vio->packets = *(char **)vio->packets;
}
if (vio->where_in_packet + size > vio->end_of_packet)
size = vio->end_of_packet - vio->where_in_packet;
memcpy(buf, vio->where_in_packet, size);
vio->where_in_packet += size;
return (size);
}
int vio_write(Vio * vio, const gptr buf, int size)
{
DBUG_ENTER("vio_write");
char *packet;
if (vio->reading)
{
vio->reading = 0;
vio_reset(vio);
}
if ((packet = alloc_root(&vio->root, sizeof(char*) + 4 + size)))
{
*vio->last_packet = packet;
vio->last_packet = (char **)packet;
*((char **)packet) = 0; /* Set forward link to 0 */
packet += sizeof(char *);
int4store(packet, size);
memcpy(packet + 4, buf, size);
}
else
size= -1;
DBUG_RETURN(size);
}
int vio_blocking(Vio * vio, my_bool set_blocking_mode, my_bool *old_mode)
{
return (0);
}
my_bool
vio_is_blocking(Vio * vio)
{
return(0);
}
int vio_fastsend(Vio * vio)
{
return(0);
}
int vio_keepalive(Vio* vio, my_bool set_keep_alive)
{
return (0);
}
my_bool
vio_should_retry(Vio * vio __attribute__((unused)))
{
int en = socket_errno;
return (en == SOCKET_EAGAIN || en == SOCKET_EINTR ||
en == SOCKET_EWOULDBLOCK);
}
int vio_close(Vio * vio)
{
return(0);
}
const char *vio_description(Vio * vio)
{
return "embedded vio";
}
enum enum_vio_type vio_type(Vio* vio)
{
return VIO_CLOSED;
}
my_socket vio_fd(Vio* vio)
{
return 0;
}
my_bool vio_peer_addr(Vio * vio, char *buf, uint16 *port)
{
return(0);
}
void vio_in_addr(Vio *vio, struct in_addr *in)
{
}
my_bool vio_poll_read(Vio *vio,uint timeout)
{
return 0;
}
int create_vio(NET *net, int separate_thread)
{
Vio * v = net->vio;
if (!v)
{
v = vio_new(0, separate_thread ? VIO_CLOSED : VIO_TYPE_TCPIP, 0);
net->vio = v;
}
return !v;
}
void set_thd(Vio *v, void *thd)
{
if (v)
{
v -> dest_thd = thd;
}
}
#endif /* HAVE_VIO */
#endif /* DUMMY */
libmysqld/libmysqld.c
View file @ c4e3a624
......@@ -46,14 +46,6 @@
#define INADDR_NONE -1
#endif
static my_bool mysql_client_init=0;
uint mysql_port=0;
my_string mysql_unix_port=0;
const char *sql_protocol_names_lib[] =
{ "TCP", "SOCKET", "PIPE", "MEMORY",NullS };
TYPELIB sql_protocol_typelib = {array_elements(sql_protocol_names_lib)-1,"",
sql_protocol_names_lib};
#define CLIENT_CAPABILITIES (CLIENT_LONG_PASSWORD | CLIENT_LONG_FLAG | CLIENT_TRANSACTIONS | CLIENT_PROTOCOL_41)
#if defined(MSDOS) || defined(__WIN__)
......@@ -66,35 +58,16 @@ TYPELIB sql_protocol_typelib = {array_elements(sql_protocol_names_lib)-1,"",
#define closesocket(A) close(A)
#endif
void mysqld_once_init(void);
static void end_server(MYSQL *mysql);
static void append_wild(char *to,char *end,const char *wild);
static ulong mysql_sub_escape_string(CHARSET_INFO *charset_info, char *to,
const char *from, ulong length);
#define init_sigpipe_variables
#define set_sigpipe(mysql)
#define reset_sigpipe(mysql)
static void free_rows(MYSQL_DATA *cur)
{
if (cur)
{
free_root(&cur->alloc,MYF(0));
my_free((gptr) cur,MYF(0));
}
}
void free_old_query(MYSQL *mysql);
my_bool
emb_advanced_command(MYSQL *mysql, enum enum_server_command command,
const char *header, ulong header_length,
const char *arg, ulong arg_length, my_bool skip_check);
static void free_old_query(MYSQL *mysql)
{
DBUG_ENTER("free_old_query");
if (mysql->fields)
free_root(&mysql->field_alloc,MYF(0));
init_alloc_root(&mysql->field_alloc,8192,0); /* Assume rowlength < 8192 */
mysql->fields=0;
mysql->field_count=0; /* For API */
DBUG_VOID_RETURN;
}
/*FROM client.c
*/
void mysql_read_default_options(struct st_mysql_options *options,
const char *filename,const char *group);
#ifdef HAVE_GETPWUID
struct passwd *getpwuid(uid_t);
......@@ -109,300 +82,17 @@ static my_bool is_NT(void)
}
#endif
/*
** Expand wildcard to a sql string
*/
static void
append_wild(char *to, char *end, const char *wild)
{
end-=5; /* Some extra */
if (wild && wild[0])
{
to=strmov(to," like '");
while (*wild && to < end)
{
if (*wild == '\\' || *wild == '\'')
*to++='\\';
*to++= *wild++;
}
if (*wild) /* Too small buffer */
*to++='%'; /* Nicer this way */
to[0]='\'';
to[1]=0;
}
}
/**************************************************************************
** Init debugging if MYSQL_DEBUG environment variable is found
**************************************************************************/
void STDCALL
mysql_debug(const char *debug)
{
#ifndef DBUG_OFF
char *env;
if (_db_on_)
return; /* Already using debugging */
if (debug)
{
DEBUGGER_ON;
DBUG_PUSH(debug);
}
else if ((env = getenv("MYSQL_DEBUG")))
{
DEBUGGER_ON;
DBUG_PUSH(env);
#if !defined(_WINVER) && !defined(WINVER)
puts("\n-------------------------------------------------------");
puts("MYSQL_DEBUG found. libmysql started with the following:");
puts(env);
puts("-------------------------------------------------------\n");
#else
{
char buff[80];
strmov(strmov(buff,"libmysql: "),env);
MessageBox((HWND) 0,"Debugging variable MYSQL_DEBUG used",buff,MB_OK);
}
#endif
}
#endif
}
/**************************************************************************
** Shut down connection
**************************************************************************/
static void
end_server(MYSQL *mysql)
static void end_server(MYSQL *mysql)
{
DBUG_ENTER("end_server");
free_old_query(mysql);
DBUG_VOID_RETURN;
}
void STDCALL
mysql_free_result(MYSQL_RES *result)
{
DBUG_ENTER("mysql_free_result");
DBUG_PRINT("enter",("mysql_res: %lx",result));
if (result)
{
free_rows(result->data);
if (result->fields)
free_root(&result->field_alloc,MYF(0));
if (result->row)
my_free((gptr) result->row,MYF(0));
my_free((gptr) result,MYF(0));
}
DBUG_VOID_RETURN;
}
/****************************************************************************
** Get options from my.cnf
****************************************************************************/
static const char *default_options[]=
{
"port","socket","compress","password","pipe", "timeout", "user",
"init-command", "host", "database", "debug", "return-found-rows",
"ssl-key" ,"ssl-cert" ,"ssl-ca" ,"ssl-capath",
"character-sets-dir", "default-character-set", "interactive-timeout",
"connect-timeout", "local-infile", "disable-local-infile",
"replication-probe", "enable-reads-from-master", "repl-parse-query",
"ssl-cipher","protocol", "shared_memory_base_name",
NullS
};
static TYPELIB option_types={array_elements(default_options)-1,
"options",default_options};
static int add_init_command(struct st_mysql_options *options, const char *cmd)
{
char *tmp;
if (!options->init_commands)
{
options->init_commands= (DYNAMIC_ARRAY*)my_malloc(sizeof(DYNAMIC_ARRAY),
MYF(MY_WME));
init_dynamic_array(options->init_commands,sizeof(char*),0,5 CALLER_INFO);
}
if (!(tmp= my_strdup(cmd,MYF(MY_WME))) ||
insert_dynamic(options->init_commands, (gptr)&tmp))
{
my_free(tmp, MYF(MY_ALLOW_ZERO_PTR));
return 1;
}
return 0;
}
static void mysql_read_default_options(struct st_mysql_options *options,
const char *filename,const char *group)
{
int argc;
char *argv_buff[1],**argv;
const char *groups[3];
DBUG_ENTER("mysql_read_default_options");
DBUG_PRINT("enter",("file: %s group: %s",filename,group ? group :"NULL"));
argc=1; argv=argv_buff; argv_buff[0]= (char*) "client";
groups[0]= (char*) "client"; groups[1]= (char*) group; groups[2]=0;
load_defaults(filename, groups, &argc, &argv);
if (argc != 1) /* If some default option */
{
char **option=argv;
while (*++option)
{
/* DBUG_PRINT("info",("option: %s",option[0])); */
if (option[0][0] == '-' && option[0][1] == '-')
{
char *end=strcend(*option,'=');
char *opt_arg=0;
if (*end)
{
opt_arg=end+1;
*end=0; /* Remove '=' */
}
/* Change all '_' in variable name to '-' */
for (end= *option ; *(end= strcend(end,'_')) ; )
*end= '-';
switch (find_type(*option+2,&option_types,2)) {
case 1: /* port */
if (opt_arg)
options->port=atoi(opt_arg);
break;
case 2: /* socket */
if (opt_arg)
{
my_free(options->unix_socket,MYF(MY_ALLOW_ZERO_PTR));
options->unix_socket=my_strdup(opt_arg,MYF(MY_WME));
}
break;
case 3: /* compress */
options->compress=1;
break;
case 4: /* password */
if (opt_arg)
{
my_free(options->password,MYF(MY_ALLOW_ZERO_PTR));
options->password=my_strdup(opt_arg,MYF(MY_WME));
}
break;
case 5: /* pipe */
options->protocol = MYSQL_PROTOCOL_PIPE;
break;
case 20: /* connect_timeout */
case 6: /* timeout */
if (opt_arg)
options->connect_timeout=atoi(opt_arg);
break;
case 7: /* user */
if (opt_arg)
{
my_free(options->user,MYF(MY_ALLOW_ZERO_PTR));
options->user=my_strdup(opt_arg,MYF(MY_WME));
}
break;
case 8: /* init-command */
add_init_command(options,opt_arg);
break;
case 9: /* host */
if (opt_arg)
{
my_free(options->host,MYF(MY_ALLOW_ZERO_PTR));
options->host=my_strdup(opt_arg,MYF(MY_WME));
}
break;
case 10: /* database */
if (opt_arg)
{
my_free(options->db,MYF(MY_ALLOW_ZERO_PTR));
options->db=my_strdup(opt_arg,MYF(MY_WME));
}
break;
case 11: /* debug */
mysql_debug(opt_arg ? opt_arg : "d:t:o,/tmp/client.trace");
break;
case 12: /* return-found-rows */
options->client_flag|=CLIENT_FOUND_ROWS;
break;
case 13: /* Ignore SSL options */
case 14:
case 15:
case 16:
case 26:
break;
case 17: /* charset-lib */
my_free(options->charset_dir,MYF(MY_ALLOW_ZERO_PTR));
options->charset_dir = my_strdup(opt_arg, MYF(MY_WME));
break;
case 18:
my_free(options->charset_name,MYF(MY_ALLOW_ZERO_PTR));
options->charset_name = my_strdup(opt_arg, MYF(MY_WME));
break;
case 19: /* Interactive-timeout */
case 21: /* client_local_files */
case 22:
case 23: /* Replication options */
case 24:
case 25:
case 27: /* Protocol */
case 28: /* Shared memory */
break;
default:
DBUG_PRINT("warning",("unknown option: %s",option[0]));
}
}
}
}
free_defaults(argv);
DBUG_VOID_RETURN;
}
/****************************************************************************
** Init MySQL structure or allocate one
****************************************************************************/
MYSQL * STDCALL
mysql_init(MYSQL *mysql)
{
mysqld_once_init();
if (!mysql)
{
if (!(mysql=(MYSQL*) my_malloc(sizeof(*mysql),MYF(MY_WME | MY_ZEROFILL))))
return 0;
mysql->free_me=1;
}
else
bzero((char*) (mysql),sizeof(*(mysql)));
return mysql;
}
void mysqld_once_init()
{
if (!mysql_client_init)
{
mysql_client_init=1;
my_init(); /* Will init threads */
init_client_errs();
mysql_port = MYSQL_PORT;
mysql_debug(NullS);
}
#ifdef THREAD
else
my_thread_init(); /* Init if new thread */
#endif
}
/**************************************************************************
** Connect to sql server
** If host == 0 then use localhost
......@@ -473,6 +163,20 @@ static inline int mysql_init_charset(MYSQL *mysql)
** before calling mysql_real_connect !
*/
static void STDCALL emb_mysql_close(MYSQL *mysql);
static my_bool STDCALL emb_mysql_read_query_result(MYSQL *mysql);
static MYSQL_RES * STDCALL emb_mysql_store_result(MYSQL *mysql);
static MYSQL_RES * STDCALL emb_mysql_use_result(MYSQL *mysql);
static MYSQL_METHODS embedded_methods=
{
emb_mysql_close,
emb_mysql_read_query_result,
emb_advanced_command,
emb_mysql_store_result,
emb_mysql_use_result,
};
MYSQL * STDCALL
mysql_real_connect(MYSQL *mysql,const char *host, const char *user,
const char *passwd __attribute__((unused)), const char *db,
......@@ -485,6 +189,8 @@ mysql_real_connect(MYSQL *mysql,const char *host, const char *user,
db ? db : "(Null)",
user ? user : "(Null)"));
mysql->methods= &embedded_methods;
/* use default options */
if (mysql->options.my_cnf_file || mysql->options.my_cnf_group)
{
......@@ -538,11 +244,9 @@ mysql_real_connect(MYSQL *mysql,const char *host, const char *user,
}
DBUG_PRINT("exit",("Mysql handler: %lx",mysql));
reset_sigpipe(mysql);
DBUG_RETURN(mysql);
error:
reset_sigpipe(mysql);
DBUG_PRINT("error",("message: %u (%s)",mysql->last_errno,mysql->last_error));
{
/* Free alloced memory */
......@@ -555,67 +259,12 @@ mysql_real_connect(MYSQL *mysql,const char *host, const char *user,
DBUG_RETURN(0);
}
/**************************************************************************
** Change user and database
**************************************************************************/
my_bool STDCALL mysql_change_user(MYSQL *mysql __attribute__((unused)), const char *user __attribute__((unused)),
const char *passwd __attribute__((unused)), const char *db __attribute__((unused)))
{
#ifdef DUMMY
char buff[512],*pos=buff;
DBUG_ENTER("mysql_change_user");
if (!user)
user="";
if (!passwd)
passwd="";
pos=strmov(pos,user)+1;
pos=scramble(pos, mysql->scramble_buff, passwd,
(my_bool) (mysql->protocol_version == 9));
pos=strmov(pos+1,db ? db : "");
if (simple_command(mysql,COM_CHANGE_USER, buff,(ulong) (pos-buff),0))
DBUG_RETURN(1);
my_free(mysql->user,MYF(MY_ALLOW_ZERO_PTR));
my_free(mysql->passwd,MYF(MY_ALLOW_ZERO_PTR));
my_free(mysql->db,MYF(MY_ALLOW_ZERO_PTR));
mysql->user= my_strdup(user,MYF(MY_WME));
mysql->passwd=my_strdup(passwd,MYF(MY_WME));
mysql->db= db ? my_strdup(db,MYF(MY_WME)) : 0;
DBUG_RETURN(0);
#endif
return 0;
}
/**************************************************************************
** Set current database
**************************************************************************/
int STDCALL
mysql_select_db(MYSQL *mysql, const char *db)
{
int error;
DBUG_ENTER("mysql_select_db");
DBUG_PRINT("enter",("db: '%s'",db));
if ((error=simple_command(mysql,COM_INIT_DB,db,(ulong) strlen(db),0)))
DBUG_RETURN(error);
DBUG_RETURN(0);
}
/*************************************************************************
** Send a QUIT to the server and close the connection
** If handle is alloced by mysql connect free it.
*************************************************************************/
void STDCALL
mysql_close(MYSQL *mysql)
static void STDCALL emb_mysql_close(MYSQL *mysql)
{
DBUG_ENTER("mysql_close");
if (mysql) /* Some simple safety */
......@@ -651,20 +300,7 @@ mysql_close(MYSQL *mysql)
DBUG_VOID_RETURN;
}
/**************************************************************************
** Do a query. If query returned rows, free old rows.
** Read data by mysql_store_result or by repeat call of mysql_fetch_row
**************************************************************************/
int STDCALL
mysql_query(MYSQL *mysql, const char *query)
{
return mysql_real_query(mysql,query, (ulong) strlen(query));
}
my_bool STDCALL
mysql_read_query_result(MYSQL *mysql)
static my_bool STDCALL emb_mysql_read_query_result(MYSQL *mysql)
{
if (mysql->last_errno)
return -1;
......@@ -679,151 +315,11 @@ mysql_read_query_result(MYSQL *mysql)
return 0;
}
/****************************************************************************
* A modified version of connect(). my_connect() allows you to specify
* a timeout value, in seconds, that we should wait until we
* derermine we can't connect to a particular host. If timeout is 0,
* my_connect() will behave exactly like connect().
*
* Base version coded by Steve Bernacki, Jr. <steve@navinet.net>
*****************************************************************************/
my_bool my_connect(my_socket s, const struct sockaddr *name, uint namelen,
uint timeout)
{
#if defined(__WIN__) || defined(OS2)
return connect(s, (struct sockaddr*) name, namelen) != 0;
#else
int flags, res, s_err;
SOCKOPT_OPTLEN_TYPE s_err_size = sizeof(uint);
fd_set sfds;
struct timeval tv;
time_t start_time, now_time;
/* If they passed us a timeout of zero, we should behave
* exactly like the normal connect() call does.
*/
if (timeout == 0)
return connect(s, (struct sockaddr*) name, namelen) != 0;
flags = fcntl(s, F_GETFL, 0); /* Set socket to not block */
#ifdef O_NONBLOCK
fcntl(s, F_SETFL, flags | O_NONBLOCK); /* and save the flags.. */
#endif
res = connect(s, (struct sockaddr*) name, namelen);
s_err = errno; /* Save the error... */
fcntl(s, F_SETFL, flags);
if ((res != 0) && (s_err != EINPROGRESS))
{
errno = s_err; /* Restore it */
return(1);
}
if (res == 0) /* Connected quickly! */
return(0);
/* Otherwise, our connection is "in progress." We can use
* the select() call to wait up to a specified period of time
* for the connection to suceed. If select() returns 0
* (after waiting howevermany seconds), our socket never became
* writable (host is probably unreachable.) Otherwise, if
* select() returns 1, then one of two conditions exist:
*
* 1. An error occured. We use getsockopt() to check for this.
* 2. The connection was set up sucessfully: getsockopt() will
* return 0 as an error.
*
* Thanks goes to Andrew Gierth <andrew@erlenstar.demon.co.uk>
* who posted this method of timing out a connect() in
* comp.unix.programmer on August 15th, 1997.
*/
FD_ZERO(&sfds);
FD_SET(s, &sfds);
/*
* select could be interrupted by a signal, and if it is,
* the timeout should be adjusted and the select restarted
* to work around OSes that don't restart select and
* implementations of select that don't adjust tv upon
* failure to reflect the time remaining
*/
start_time = time(NULL);
for (;;)
{
tv.tv_sec = (long) timeout;
tv.tv_usec = 0;
if ((res = select(s+1, NULL, &sfds, NULL, &tv)) >= 0)
break;
now_time=time(NULL);
timeout-= (uint) (now_time - start_time);
if (errno != EINTR || (int) timeout <= 0)
return 1;
}
/* select() returned something more interesting than zero, let's
* see if we have any errors. If the next two statements pass,
* we've got an open socket!
*/
s_err=0;
if (getsockopt(s, SOL_SOCKET, SO_ERROR, (char*) &s_err, &s_err_size) != 0)
return(1);
if (s_err)
{ /* getsockopt could succeed */
errno = s_err;
return(1); /* but return an error... */
}
return(0); /* It's all good! */
#endif
}
int STDCALL
mysql_send_query(MYSQL* mysql, const char* query, ulong length)
{
DBUG_ENTER("mysql_send_query");
if (mysql->options.separate_thread)
{
return -1;
}
mysql->result= NULL;
free_old_query(mysql); /* Free old result */
DBUG_RETURN(simple_command(mysql, COM_QUERY, query, length, 1));
}
int STDCALL
mysql_real_query(MYSQL *mysql, const char *query, ulong length)
{
DBUG_ENTER("mysql_real_query");
DBUG_PRINT("enter",("handle: %lx",mysql));
DBUG_PRINT("query",("Query = \"%s\"",query));
if (mysql->options.separate_thread)
{
return -1;
}
mysql->result= NULL;
free_old_query(mysql); /* Free old result */
if (simple_command(mysql, COM_QUERY, query, length, 1))
DBUG_RETURN(-1);
DBUG_RETURN(mysql_read_query_result(mysql));
}
/**************************************************************************
** Alloc result struct for buffered results. All rows are read to buffer.
** mysql_data_seek may be used.
**************************************************************************/
MYSQL_RES * STDCALL
mysql_store_result(MYSQL *mysql)
static MYSQL_RES * STDCALL emb_mysql_store_result(MYSQL *mysql)
{
MYSQL_RES *result= mysql->result;
if (!result)
......@@ -850,688 +346,11 @@ mysql_store_result(MYSQL *mysql)
** have to wait for the client (and will not wait more than 30 sec/packet).
**************************************************************************/
MYSQL_RES * STDCALL
mysql_use_result(MYSQL *mysql)
static MYSQL_RES * STDCALL emb_mysql_use_result(MYSQL *mysql)
{
DBUG_ENTER("mysql_use_result");
if (mysql->options.separate_thread)
DBUG_RETURN(0);
DBUG_RETURN(mysql_store_result(mysql));
}
/**************************************************************************
** Return next field of the query results
**************************************************************************/
MYSQL_FIELD * STDCALL
mysql_fetch_field(MYSQL_RES *result)
{
if (result->current_field >= result->field_count)
return(NULL);
return &result->fields[result->current_field++];
}
/**************************************************************************
** Return next row of the query results
**************************************************************************/
MYSQL_ROW STDCALL
mysql_fetch_row(MYSQL_RES *res)
{
DBUG_ENTER("mysql_fetch_row");
{
MYSQL_ROW tmp;
if (!res->data_cursor)
{
DBUG_PRINT("info",("end of data"));
DBUG_RETURN(res->current_row=(MYSQL_ROW) NULL);
}
tmp = res->data_cursor->data;
res->data_cursor = res->data_cursor->next;
DBUG_RETURN(res->current_row=tmp);
}
}
/**************************************************************************
** Get column lengths of the current row
** If one uses mysql_use_result, res->lengths contains the length information,
** else the lengths are calculated from the offset between pointers.
**************************************************************************/
ulong * STDCALL
mysql_fetch_lengths(MYSQL_RES *res)
{
ulong *lengths;
MYSQL_ROW column,end;
if (!(column=res->current_row))
return 0; /* Something is wrong */
if (res->data)
{
lengths=res->lengths;
for (end=column+res->field_count; column != end ; column++,lengths++)
{
*lengths= *column ? strlen(*column) : 0;
}
}
return res->lengths;
}
/**************************************************************************
** Move to a specific row and column
**************************************************************************/
void STDCALL
mysql_data_seek(MYSQL_RES *result, my_ulonglong row)
{
MYSQL_ROWS *tmp=0;
DBUG_PRINT("info",("mysql_data_seek(%ld)",(long) row));
if (result->data)
for (tmp=result->data->data; row-- && tmp ; tmp = tmp->next) ;
result->current_row=0;
result->data_cursor = tmp;
}
/*************************************************************************
** put the row or field cursor one a position one got from mysql_row_tell()
** This doesn't restore any data. The next mysql_fetch_row or
** mysql_fetch_field will return the next row or field after the last used
*************************************************************************/
MYSQL_ROW_OFFSET STDCALL
mysql_row_seek(MYSQL_RES *result, MYSQL_ROW_OFFSET row)
{
MYSQL_ROW_OFFSET return_value=result->data_cursor;
result->current_row= 0;
result->data_cursor= row;
return return_value;
}
MYSQL_FIELD_OFFSET STDCALL
mysql_field_seek(MYSQL_RES *result, MYSQL_FIELD_OFFSET field_offset)
{
MYSQL_FIELD_OFFSET return_value=result->current_field;
result->current_field=field_offset;
return return_value;
}
/*****************************************************************************
** List all databases
*****************************************************************************/
MYSQL_RES * STDCALL
mysql_list_dbs(MYSQL *mysql, const char *wild)
{
char buff[255];
DBUG_ENTER("mysql_list_dbs");
append_wild(strmov(buff,"show databases"),buff+sizeof(buff),wild);
if (mysql_query(mysql,buff))
DBUG_RETURN(0);
DBUG_RETURN (mysql_store_result(mysql));
}
/*****************************************************************************
** List all tables in a database
** If wild is given then only the tables matching wild is returned
*****************************************************************************/
MYSQL_RES * STDCALL
mysql_list_tables(MYSQL *mysql, const char *wild)
{
char buff[255];
DBUG_ENTER("mysql_list_tables");
append_wild(strmov(buff,"show tables"),buff+sizeof(buff),wild);
if (mysql_query(mysql,buff))
DBUG_RETURN(0);
DBUG_RETURN (mysql_store_result(mysql));
}
/**************************************************************************
** List all fields in a table
** If wild is given then only the fields matching wild is returned
** Instead of this use query:
** show fields in 'table' like "wild"
**************************************************************************/
MYSQL_RES * STDCALL
mysql_list_fields(MYSQL *mysql __attribute__((unused)), const char *table __attribute__((unused)), const char *wild __attribute__((unused)))
{
#ifdef DUMMY
MYSQL_RES *result;
MYSQL_DATA *query;
char buff[257],*end;
DBUG_ENTER("mysql_list_fields");
DBUG_PRINT("enter",("table: '%s' wild: '%s'",table,wild ? wild : ""));
LINT_INIT(query);
end=strmake(strmake(buff, table,128)+1,wild ? wild : "",128);
if (simple_command(mysql,COM_FIELD_LIST,buff,(uint) (end-buff),1) ||
!(query = read_rows(mysql,(MYSQL_FIELD*) 0,6)))
DBUG_RETURN(NULL);
free_old_query(mysql);
if (!(result = (MYSQL_RES *) my_malloc(sizeof(MYSQL_RES),
MYF(MY_WME | MY_ZEROFILL))))
{
free_rows(query);
DBUG_RETURN(NULL);
}
result->field_alloc=mysql->field_alloc;
mysql->fields=0;
result->field_count = (uint) query->rows;
result->fields= unpack_fields(query,&result->field_alloc,
result->field_count,1,
(my_bool) test(mysql->server_capabilities &
CLIENT_LONG_FLAG));
result->eof=1;
DBUG_RETURN(result);
#endif
return 0;
}
/* List all running processes (threads) in server */
MYSQL_RES * STDCALL
mysql_list_processes(MYSQL *mysql)
{
#ifdef DUMMY
MYSQL_DATA *fields;
uint field_count;
uchar *pos;
DBUG_ENTER("mysql_list_processes");
LINT_INIT(fields);
if (simple_command(mysql,COM_PROCESS_INFO,"",0,0))
DBUG_RETURN(0);
free_old_query(mysql);
pos=(uchar*) mysql->net.read_pos;
field_count=(uint) net_field_length(&pos);
if (!(fields = read_rows(mysql,(MYSQL_FIELD*) 0,5)))
DBUG_RETURN(NULL);
if (!(mysql->fields=unpack_fields(fields,&mysql->field_alloc,field_count,0,
(my_bool) test(mysql->server_capabilities &
CLIENT_LONG_FLAG))))
DBUG_RETURN(0);
mysql->status=MYSQL_STATUS_GET_RESULT;
mysql->field_count=field_count;
DBUG_RETURN(mysql_store_result(mysql));
#endif /*DUMMY*/
return 0;
}
int STDCALL
mysql_create_db(MYSQL *mysql, const char *db)
{
DBUG_ENTER("mysql_createdb");
DBUG_PRINT("enter",("db: %s",db));
DBUG_RETURN(simple_command(mysql,COM_CREATE_DB,db, (ulong) strlen(db),0));
}
int STDCALL
mysql_drop_db(MYSQL *mysql, const char *db)
{
DBUG_ENTER("mysql_drop_db");
DBUG_PRINT("enter",("db: %s",db));
DBUG_RETURN(simple_command(mysql,COM_DROP_DB,db,(ulong) strlen(db),0));
}
int STDCALL
mysql_shutdown(MYSQL *mysql)
{
DBUG_ENTER("mysql_shutdown");
DBUG_RETURN(simple_command(mysql,COM_SHUTDOWN,"",0,0));
}
int STDCALL
mysql_refresh(MYSQL *mysql,uint options)
{
uchar bits[1];
DBUG_ENTER("mysql_refresh");
bits[0]= (uchar) options;
DBUG_RETURN(simple_command(mysql,COM_REFRESH,(char*) bits,1,0));
}
int STDCALL
mysql_kill(MYSQL *mysql,ulong pid)
{
char buff[12];
DBUG_ENTER("mysql_kill");
int4store(buff,pid);
DBUG_RETURN(simple_command(mysql,COM_PROCESS_KILL,buff,4,0));
}
int STDCALL
mysql_dump_debug_info(MYSQL *mysql)
{
DBUG_ENTER("mysql_dump_debug_info");
DBUG_RETURN(simple_command(mysql,COM_DEBUG,"",0,0));
}
const char * STDCALL
mysql_stat(MYSQL *mysql)
{
#ifdef DUMMY
DBUG_ENTER("mysql_stat");
if (simple_command(mysql,COM_STATISTICS,"",0,0))
return mysql->last_error;
mysql->net.read_pos[mysql->packet_length]=0; /* End of stat string */
if (!mysql->net.read_pos[0])
{
mysql->net.last_errno=CR_WRONG_HOST_INFO;
strmov(mysql->sqlstate, unknown_sqlstate);
strmov(mysql->net.last_error, ER(mysql->net.last_errno));
return mysql->net.last_error;
}
DBUG_RETURN((char*) mysql->net.read_pos);
#endif
return (char *)mysql;
}
int STDCALL
mysql_ping(MYSQL *mysql)
{
DBUG_ENTER("mysql_ping");
DBUG_RETURN(simple_command(mysql,COM_PING,"",0,0));
}
const char * STDCALL
mysql_get_server_info(MYSQL *mysql __attribute__((unused)))
{
return MYSQL_SERVER_VERSION;
}
ulong STDCALL
mysql_get_server_version(MYSQL *mysql __attribute__((unused)))
{
return MYSQL_VERSION_ID;
}
const char * STDCALL
mysql_get_host_info(MYSQL *mysql __attribute__((unused)))
{
return "localhost";
}
uint STDCALL
mysql_get_proto_info(MYSQL *mysql __attribute__((unused)))
{
return PROTOCOL_VERSION;
}
const char * STDCALL
mysql_get_client_info(void)
{
return MYSQL_SERVER_VERSION;
}
int STDCALL
mysql_options(MYSQL *mysql,enum mysql_option option, const char *arg)
{
DBUG_ENTER("mysql_option");
DBUG_PRINT("enter",("option: %d",(int) option));
switch (option) {
case MYSQL_OPT_CONNECT_TIMEOUT:
mysql->options.connect_timeout= *(uint*) arg;
break;
case MYSQL_OPT_COMPRESS:
mysql->options.compress=1; /* Remember for connect */
break;
case MYSQL_OPT_USE_RESULT:
mysql->options.separate_thread=1; /* Use separate thread for query execution*/
break;
case MYSQL_OPT_NAMED_PIPE:
mysql->options.protocol=MYSQL_PROTOCOL_PIPE; /* Force named pipe */
break;
case MYSQL_OPT_LOCAL_INFILE: /* Allow LOAD DATA LOCAL ?*/
if (!arg || test(*(uint*) arg))
mysql->options.client_flag|= CLIENT_LOCAL_FILES;
else
mysql->options.client_flag&= ~CLIENT_LOCAL_FILES;
break;
case MYSQL_INIT_COMMAND:
add_init_command(&mysql->options,arg);
break;
case MYSQL_READ_DEFAULT_FILE:
my_free(mysql->options.my_cnf_file,MYF(MY_ALLOW_ZERO_PTR));
mysql->options.my_cnf_file=my_strdup(arg,MYF(MY_WME));
break;
case MYSQL_READ_DEFAULT_GROUP:
my_free(mysql->options.my_cnf_group,MYF(MY_ALLOW_ZERO_PTR));
mysql->options.my_cnf_group=my_strdup(arg,MYF(MY_WME));
break;
case MYSQL_SET_CHARSET_DIR:
my_free(mysql->options.charset_dir,MYF(MY_ALLOW_ZERO_PTR));
mysql->options.charset_dir=my_strdup(arg,MYF(MY_WME));
break;
case MYSQL_SET_CHARSET_NAME:
my_free(mysql->options.charset_name,MYF(MY_ALLOW_ZERO_PTR));
mysql->options.charset_name=my_strdup(arg,MYF(MY_WME));
break;
case MYSQL_OPT_PROTOCOL:
mysql->options.protocol= *(uint*) arg;
break;
case MYSQL_SHARED_MEMORY_BASE_NAME:
break;
default:
DBUG_RETURN(-1);
}
DBUG_RETURN(0);
}
/****************************************************************************
** Functions to get information from the MySQL structure
** These are functions to make shared libraries more usable.
****************************************************************************/
/* MYSQL_RES */
my_ulonglong STDCALL mysql_num_rows(MYSQL_RES *res)
{
return res->row_count;
}
unsigned int STDCALL mysql_num_fields(MYSQL_RES *res)
{
return res->field_count;
}
my_bool STDCALL mysql_eof(MYSQL_RES *res)
{
return res->eof;
}
MYSQL_FIELD * STDCALL mysql_fetch_field_direct(MYSQL_RES *res,uint fieldnr)
{
return &(res)->fields[fieldnr];
}
MYSQL_FIELD * STDCALL mysql_fetch_fields(MYSQL_RES *res)
{
return (res)->fields;
}
MYSQL_ROWS * STDCALL mysql_row_tell(MYSQL_RES *res)
{
return res->data_cursor;
}
uint STDCALL mysql_field_tell(MYSQL_RES *res)
{
return (res)->current_field;
}
/* MYSQL */
unsigned int STDCALL mysql_field_count(MYSQL *mysql)
{
return mysql->field_count;
}
my_ulonglong STDCALL mysql_affected_rows(MYSQL *mysql)
{
return mysql->affected_rows;
}
my_ulonglong STDCALL mysql_insert_id(MYSQL *mysql)
{
return mysql->insert_id;
}
uint STDCALL mysql_errno(MYSQL *mysql)
{
return mysql->last_errno;
}
const char *STDCALL mysql_sqlstate(MYSQL *mysql)
{
return mysql->sqlstate;
}
const char * STDCALL mysql_error(MYSQL *mysql)
{
return mysql->last_error;
}
const char *STDCALL mysql_info(MYSQL *mysql __attribute__((unused)))
{
#ifdef DUMMY
return (mysql)->info;
#endif
return 0;
}
ulong STDCALL mysql_thread_id(MYSQL *mysql __attribute__((unused)))
{
#ifdef DUMMY
return (mysql)->thread_id;
#endif
return 0;
}
const char * STDCALL mysql_character_set_name(MYSQL *mysql)
{
return mysql->charset->name;
}
uint STDCALL mysql_thread_safe(void)
{
#ifdef THREAD
return 1;
#else
return 0;
#endif
}
MYSQL_RES *STDCALL mysql_warnings(MYSQL *mysql)
{
uint warning_count;
DBUG_ENTER("mysql_warnings");
/* Save warning count as mysql_real_query may change this */
warning_count= mysql_warning_count(mysql);
if (mysql_real_query(mysql, "SHOW WARNINGS", 13))
DBUG_RETURN(0);
DBUG_RETURN(mysql_store_result(mysql));
}
/****************************************************************************
** Some support functions
****************************************************************************/
/*
** Add escape characters to a string (blob?) to make it suitable for a insert
** to should at least have place for length*2+1 chars
** Returns the length of the to string
*/
ulong STDCALL
mysql_escape_string(char *to,const char *from,ulong length)
{
return mysql_sub_escape_string(default_charset_info,to,from,length);
}
ulong STDCALL
mysql_real_escape_string(MYSQL *mysql, char *to,const char *from,
ulong length)
{
return mysql_sub_escape_string(mysql->charset,to,from,length);
}
static ulong
mysql_sub_escape_string(CHARSET_INFO *charset_info, char *to,
const char *from, ulong length)
{
const char *to_start=to;
const char *end;
#ifdef USE_MB
my_bool use_mb_flag=use_mb(charset_info);
#endif
for (end=from+length; from != end ; from++)
{
#ifdef USE_MB
int l;
if (use_mb_flag && (l = my_ismbchar(charset_info, from, end)))
{
while (l--)
*to++ = *from++;
from--;
continue;
}
#endif
switch (*from) {
case 0: /* Must be escaped for 'mysql' */
*to++= '\\';
*to++= '0';
break;
case '\n': /* Must be escaped for logs */
*to++= '\\';
*to++= 'n';
break;
case '\r':
*to++= '\\';
*to++= 'r';
break;
case '\\':
*to++= '\\';
*to++= '\\';
break;
case '\'':
*to++= '\\';
*to++= '\'';
break;
case '"': /* Better safe than sorry */
*to++= '\\';
*to++= '"';
break;
case '\032': /* This gives problems on Win32 */
*to++= '\\';
*to++= 'Z';
break;
default:
*to++= *from;
}
}
*to=0;
return (ulong) (to-to_start);
}
char * STDCALL
mysql_odbc_escape_string(MYSQL *mysql,
char *to, ulong to_length,
const char *from, ulong from_length,
void *param,
char * (*extend_buffer)
(void *, char *, ulong *))
{
char *to_end=to+to_length-5;
const char *end;
#ifdef USE_MB
my_bool use_mb_flag=use_mb(mysql->charset);
#endif
for (end=from+from_length; from != end ; from++)
{
if (to >= to_end)
{
to_length = (ulong) (end-from)+512; /* We want this much more */
if (!(to=(*extend_buffer)(param, to, &to_length)))
return to;
to_end=to+to_length-5;
}
#ifdef USE_MB
{
int l;
if (use_mb_flag && (l = my_ismbchar(mysql->charset, from, end)))
{
while (l--)
*to++ = *from++;
from--;
continue;
}
}
#endif
switch (*from) {
case 0: /* Must be escaped for 'mysql' */
*to++= '\\';
*to++= '0';
break;
case '\n': /* Must be escaped for logs */
*to++= '\\';
*to++= 'n';
break;
case '\r':
*to++= '\\';
*to++= 'r';
break;
case '\\':
*to++= '\\';
*to++= '\\';
break;
case '\'':
*to++= '\\';
*to++= '\'';
break;
case '"': /* Better safe than sorry */
*to++= '\\';
*to++= '"';
break;
case '\032': /* This gives problems on Win32 */
*to++= '\\';
*to++= 'Z';
break;
default:
*to++= *from;
}
}
return to;
}
void STDCALL
myodbc_remove_escape(MYSQL *mysql,char *name)
{
char *to;
#ifdef USE_MB
my_bool use_mb_flag=use_mb(mysql->charset);
char *end;
LINT_INIT(end);
if (use_mb_flag)
for (end=name; *end ; end++) ;
#endif
for (to=name ; *name ; name++)
{
#ifdef USE_MB
int l;
if (use_mb_flag && (l = my_ismbchar( mysql->charset, name , end ) ) )
{
while (l--)
*to++ = *name++;
name--;
continue;
}
#endif
if (*name == '\\' && name[1])
name++;
*to++= *name;
}
*to=0;
DBUG_RETURN(emb_mysql_store_result(mysql));
}
sql-common/client.c
View file @ c4e3a624
......@@ -40,6 +40,32 @@
#if defined(MYSQL_SERVER) || defined(HAVE_EXTERNAL_CLIENT)
#include "mysql.h"
#ifdef EMBEDDED_LIBRARY
#ifdef MYSQL_SERVER
#undef MYSQL_SERVER
#endif
#ifndef MYSQL_CLIENT
#define MYSQL_CLIENT
#endif
#define CLI_MYSQL_REAL_CONNECT cli_mysql_real_connect
#ifdef net_flush
#undef net_flush
#endif
my_bool net_flush(NET *net);
#else /*EMBEDDED_LIBRARY*/
#define CLI_MYSQL_REAL_CONNECT mysql_real_connect
#endif /*EMBEDDED_LIBRARY*/
#ifdef MYSQL_CLIENT
static my_bool mysql_client_init=0;
#endif
#if !defined(MYSQL_SERVER) && defined(__WIN__) || defined(_WIN32) || defined(_WIN64)
#include <winsock.h>
#include <odbcinst.h>
......@@ -563,8 +589,8 @@ void free_rows(MYSQL_DATA *cur)
}
}
my_bool
advanced_command(MYSQL *mysql, enum enum_server_command command,
static my_bool
cli_advanced_command(MYSQL *mysql, enum enum_server_command command,
const char *header, ulong header_length,
const char *arg, ulong arg_length, my_bool skip_check)
{
......@@ -632,7 +658,9 @@ my_bool
simple_command(MYSQL *mysql,enum enum_server_command command, const char *arg,
ulong length, my_bool skip_check)
{
return advanced_command(mysql, command, NullS, 0, arg, length, skip_check);
return
(*mysql->methods->advanced_command)(mysql, command,
NullS, 0, arg, length, skip_check);
}
void free_old_query(MYSQL *mysql)
......@@ -747,8 +775,8 @@ static int add_init_command(struct st_mysql_options *options, const char *cmd)
return 0;
}
static void mysql_read_default_options(struct st_mysql_options *options,
const char *filename,const char *group)
void mysql_read_default_options(struct st_mysql_options *options,
const char *filename,const char *group)
{
int argc;
char *argv_buff[1],**argv;
......@@ -1428,10 +1456,23 @@ my_bool mysql_autenticate(MYSQL *mysql, const char *passwd)
before calling mysql_real_connect !
*/
MYSQL * STDCALL
mysql_real_connect(MYSQL *mysql,const char *host, const char *user,
const char *passwd, const char *db,
uint port, const char *unix_socket,ulong client_flag)
static void STDCALL cli_mysql_close(MYSQL *mysql);
static my_bool STDCALL cli_mysql_read_query_result(MYSQL *mysql);
static MYSQL_RES * STDCALL cli_mysql_store_result(MYSQL *mysql);
static MYSQL_METHODS client_methods=
{
cli_mysql_close,
cli_mysql_read_query_result,
cli_advanced_command,
cli_mysql_store_result,
CLI_MYSQL_USE_RESULT
};
MYSQL * STDCALL
CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
const char *passwd, const char *db,
uint port, const char *unix_socket,ulong client_flag)
{
#ifdef MYSQL_CLIENT
char *charset_name;
......@@ -1466,6 +1507,7 @@ mysql_real_connect(MYSQL *mysql,const char *host, const char *user,
user ? user : "(Null)"));
/* Don't give sigpipe errors if the client doesn't want them */
mysql->methods= &client_methods;
set_sigpipe(mysql);
net->vio = 0; /* If something goes wrong */
mysql->client_flag=0; /* For handshake */
......@@ -2176,8 +2218,7 @@ mysql_ssl_free(MYSQL *mysql __attribute__((unused)))
If handle is alloced by mysql connect free it.
*************************************************************************/
void STDCALL
mysql_close(MYSQL *mysql)
static void STDCALL cli_mysql_close(MYSQL *mysql)
{
DBUG_ENTER("mysql_close");
if (mysql) /* Some simple safety */
......@@ -2259,7 +2300,7 @@ mysql_close(MYSQL *mysql)
DBUG_VOID_RETURN;
}
my_bool STDCALL mysql_read_query_result(MYSQL *mysql)
static my_bool STDCALL cli_mysql_read_query_result(MYSQL *mysql)
{
uchar *pos;
ulong field_count;
......@@ -2378,8 +2419,7 @@ mysql_real_query(MYSQL *mysql, const char *query, ulong length)
mysql_data_seek may be used.
**************************************************************************/
MYSQL_RES * STDCALL
mysql_store_result(MYSQL *mysql)
static MYSQL_RES * STDCALL cli_mysql_store_result(MYSQL *mysql)
{
MYSQL_RES *result;
DBUG_ENTER("mysql_store_result");
......
sql-common/pack.c
View file @ c4e3a624
/* Copyright (C) 2000-2003 MySQL 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 <mysql_com.h>
#include <mysql.h>
ulong net_buffer_length=8192;
ulong max_allowed_packet= 1024L*1024L*1024L;
ulong net_read_timeout= NET_READ_TIMEOUT;
ulong net_write_timeout= NET_WRITE_TIMEOUT;
/* Get the length of next field. Change parameter to point at fieldstart */
ulong STDCALL net_field_length(uchar **packet)
{
......@@ -62,3 +83,16 @@ my_ulonglong net_field_length_ll(uchar **packet)
#endif
}
/*
Functions called my my_net_init() to set some application specific variables
*/
void my_net_local_init(NET *net)
{
net->max_packet= (uint) net_buffer_length;
net->read_timeout= (uint) net_read_timeout;
net->write_timeout=(uint) net_write_timeout;
net->retry_count= 1;
net->max_packet_size= max(net_buffer_length, max_allowed_packet);
}
sql/client_settings.h
View file @ c4e3a624
......@@ -32,3 +32,5 @@ extern ulong slave_net_timeout;
#ifdef HAVE_SMEM
#undef HAVE_SMEM
#endif
#define CLI_MYSQL_USE_RESULT NULL
sql/net_serv.cc
View file @ c4e3a624
......@@ -30,7 +30,10 @@
3 byte length & 1 byte package-number.
*/
#ifndef EMBEDDED_LIBRARY
/*
HFTODO this must be hidden if we don't want client capabilities in
embedded library
*/
#ifdef __WIN__
#include <winsock.h>
#endif
......@@ -46,6 +49,19 @@
#include <signal.h>
#include <errno.h>
#ifdef EMBEDDED_LIBRARY
#ifdef net_flush
#undef net_flush
#endif
extern "C" {
my_bool net_flush(NET *net);
}
#endif /*EMBEDDED_LIBRARY */
/*
The following handles the differences when this is linked between the
client and the server.
......@@ -959,5 +975,4 @@ my_net_read(NET *net)
return len;
}
#endif /* EMBEDDED_LIBRARY */
sql/protocol.cc
View file @ c4e3a624
......@@ -236,29 +236,6 @@ net_printf(THD *thd, uint errcode, ...)
DBUG_VOID_RETURN;
}
/*
Function called by my_net_init() to set some check variables
*/
#ifndef EMBEDDED_LIBRARY
extern "C" {
void my_net_local_init(NET *net)
{
net->max_packet= (uint) global_system_variables.net_buffer_length;
net->read_timeout= (uint) global_system_variables.net_read_timeout;
net->write_timeout=(uint) global_system_variables.net_write_timeout;
net->retry_count= (uint) global_system_variables.net_retry_count;
net->max_packet_size= max(global_system_variables.net_buffer_length,
global_system_variables.max_allowed_packet);
}
}
#else /* EMBEDDED_LIBRARY */
void my_net_local_init(NET *net __attribute__(unused))
{
}
#endif /* EMBEDDED_LIBRARY */
/*
Return ok to the client.
......
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