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mysqltest.cc
11104 lines (9440 loc) · 289 KB
/
mysqltest.cc
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/* Copyright (c) 2000, 2013, Oracle and/or its affiliates.
Copyright (c) 2009, 2013, Monty Program 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; 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 02110-1301 USA */
/*
mysqltest
Tool used for executing a .test file
See the "MySQL Test framework manual" for more information
http://dev.mysql.com/doc/mysqltest/en/index.html
Please keep the test framework tools identical in all versions!
Written by:
Sasha Pachev <sasha@mysql.com>
Matt Wagner <matt@mysql.com>
Monty
Jani
Holyfoot
And many others
*/
#define MTEST_VERSION "3.4"
#include "client_priv.h"
#include <mysql_version.h>
#include <mysqld_error.h>
#include <sql_common.h>
#include <m_ctype.h>
#include <my_dir.h>
#include <hash.h>
#include <stdarg.h>
#include <violite.h>
#define PCRE_STATIC 1 /* Important on Windows */
#include "pcreposix.h" /* pcreposix regex library */
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef __WIN__
#include <direct.h>
#endif
#include <signal.h>
#include <my_stacktrace.h>
#include <welcome_copyright_notice.h> // ORACLE_WELCOME_COPYRIGHT_NOTICE
#ifdef __WIN__
#include <crtdbg.h>
#define SIGNAL_FMT "exception 0x%x"
#else
#define SIGNAL_FMT "signal %d"
#endif
#include <my_context.h>
static my_bool non_blocking_api_enabled= 0;
#if !defined(EMBEDDED_LIBRARY) && !defined(MY_CONTEXT_DISABLE)
#define WRAP_NONBLOCK_ENABLED non_blocking_api_enabled
#include "../tests/nonblock-wrappers.h"
#endif
/* Use cygwin for --exec and --system before 5.0 */
#if MYSQL_VERSION_ID < 50000
#define USE_CYGWIN
#endif
#define MAX_VAR_NAME_LENGTH 256
#define MAX_COLUMNS 256
#define MAX_EMBEDDED_SERVER_ARGS 64
#define MAX_DELIMITER_LENGTH 16
#define DEFAULT_MAX_CONN 64
#define DIE_BUFF_SIZE 8192
/* Flags controlling send and reap */
#define QUERY_SEND_FLAG 1
#define QUERY_REAP_FLAG 2
#define QUERY_PRINT_ORIGINAL_FLAG 4
#ifndef HAVE_SETENV
static int setenv(const char *name, const char *value, int overwrite);
#endif
C_MODE_START
static sig_handler signal_handler(int sig);
static my_bool get_one_option(int optid, const struct my_option *,
char *argument);
C_MODE_END
enum {
OPT_LOG_DIR=OPT_MAX_CLIENT_OPTION, OPT_RESULT_FORMAT_VERSION
};
static int record= 0, opt_sleep= -1;
static char *opt_db= 0, *opt_pass= 0;
const char *opt_user= 0, *opt_host= 0, *unix_sock= 0, *opt_basedir= "./";
static char *shared_memory_base_name=0;
const char *opt_logdir= "";
const char *opt_prologue= 0, *opt_charsets_dir;
static int opt_port= 0;
static int opt_max_connect_retries;
static int opt_result_format_version;
static int opt_max_connections= DEFAULT_MAX_CONN;
static int error_count= 0;
static my_bool opt_compress= 0, silent= 0, verbose= 0;
static my_bool debug_info_flag= 0, debug_check_flag= 0;
static my_bool tty_password= 0;
static my_bool opt_mark_progress= 0;
static my_bool ps_protocol= 0, ps_protocol_enabled= 0;
static my_bool sp_protocol= 0, sp_protocol_enabled= 0;
static my_bool view_protocol= 0, view_protocol_enabled= 0;
static my_bool cursor_protocol= 0, cursor_protocol_enabled= 0;
static my_bool parsing_disabled= 0;
static my_bool display_result_vertically= FALSE, display_result_lower= FALSE,
display_metadata= FALSE, display_result_sorted= FALSE;
static my_bool disable_query_log= 0, disable_result_log= 0;
static my_bool disable_connect_log= 1;
static my_bool disable_warnings= 0, disable_column_names= 0;
static my_bool prepare_warnings_enabled= 0;
static my_bool disable_info= 1;
static my_bool abort_on_error= 1, opt_continue_on_error= 0;
static my_bool server_initialized= 0;
static my_bool is_windows= 0;
static char **default_argv;
static const char *load_default_groups[]=
{ "mysqltest", "client", "client-server", "client-mariadb", 0 };
static char line_buffer[MAX_DELIMITER_LENGTH], *line_buffer_pos= line_buffer;
/* Info on properties that can be set with --enable_X and --disable_X */
struct property {
my_bool *var; /* Actual variable */
my_bool set; /* Has been set for ONE command */
my_bool old; /* If set, thus is the old value */
my_bool reverse; /* Varible is true if disabled */
const char *env_name; /* Env. variable name */
};
static struct property prop_list[] = {
{ &abort_on_error, 0, 1, 0, "$ENABLED_ABORT_ON_ERROR" },
{ &disable_connect_log, 0, 1, 1, "$ENABLED_CONNECT_LOG" },
{ &disable_info, 0, 1, 1, "$ENABLED_INFO" },
{ &display_metadata, 0, 0, 0, "$ENABLED_METADATA" },
{ &ps_protocol_enabled, 0, 0, 0, "$ENABLED_PS_PROTOCOL" },
{ &disable_query_log, 0, 0, 1, "$ENABLED_QUERY_LOG" },
{ &disable_result_log, 0, 0, 1, "$ENABLED_RESULT_LOG" },
{ &disable_warnings, 0, 0, 1, "$ENABLED_WARNINGS" }
};
static my_bool once_property= FALSE;
enum enum_prop {
P_ABORT= 0,
P_CONNECT,
P_INFO,
P_META,
P_PS,
P_QUERY,
P_RESULT,
P_WARN,
P_MAX
};
static uint start_lineno= 0; /* Start line of current command */
static uint my_end_arg= 0;
/* Number of lines of the result to include in failure report */
static uint opt_tail_lines= 0;
static uint opt_connect_timeout= 0;
static char delimiter[MAX_DELIMITER_LENGTH]= ";";
static uint delimiter_length= 1;
static char TMPDIR[FN_REFLEN];
static char global_subst_from[200];
static char global_subst_to[200];
static char *global_subst= NULL;
static MEM_ROOT require_file_root;
/* Block stack */
enum block_cmd {
cmd_none,
cmd_if,
cmd_while
};
struct st_block
{
int line; /* Start line of block */
my_bool ok; /* Should block be executed */
enum block_cmd cmd; /* Command owning the block */
char delim[MAX_DELIMITER_LENGTH]; /* Delimiter before block */
};
static struct st_block block_stack[32];
static struct st_block *cur_block, *block_stack_end;
/* Open file stack */
struct st_test_file
{
FILE* file;
char *file_name;
uint lineno; /* Current line in file */
};
static struct st_test_file file_stack[16];
static struct st_test_file* cur_file;
static struct st_test_file* file_stack_end;
static CHARSET_INFO *charset_info= &my_charset_latin1; /* Default charset */
static const char *embedded_server_groups[]=
{
"server",
"embedded",
"mysqltest_SERVER",
NullS
};
static int embedded_server_arg_count=0;
static char *embedded_server_args[MAX_EMBEDDED_SERVER_ARGS];
/*
Timer related variables
See the timer_output() definition for details
*/
static char *timer_file = NULL;
static ulonglong timer_start;
static void timer_output(void);
static ulonglong timer_now(void);
static ulong connection_retry_sleep= 100000; /* Microseconds */
static const char *opt_plugin_dir;
static const char *opt_suite_dir, *opt_overlay_dir;
static size_t suite_dir_len, overlay_dir_len;
/* Precompiled re's */
static regex_t ps_re; /* the query can be run using PS protocol */
static regex_t sp_re; /* the query can be run as a SP */
static regex_t view_re; /* the query can be run as a view*/
static void init_re(void);
static int match_re(regex_t *, char *);
static void free_re(void);
static char *get_string(char **to_ptr, char **from_ptr,
struct st_command *command);
static int replace(DYNAMIC_STRING *ds_str,
const char *search_str, ulong search_len,
const char *replace_str, ulong replace_len);
static uint opt_protocol=0;
DYNAMIC_ARRAY q_lines;
#include "sslopt-vars.h"
struct Parser
{
int read_lines,current_line;
} parser;
struct MasterPos
{
char file[FN_REFLEN];
ulong pos;
} master_pos;
/* if set, all results are concated and compared against this file */
const char *result_file_name= 0;
typedef struct
{
char *name;
int name_len;
char *str_val;
int str_val_len;
int int_val;
int alloced_len;
bool int_dirty; /* do not update string if int is updated until first read */
bool is_int;
bool alloced;
} VAR;
/*Perl/shell-like variable registers */
VAR var_reg[10];
HASH var_hash;
struct st_connection
{
MYSQL *mysql;
/* Used when creating views and sp, to avoid implicit commit */
MYSQL* util_mysql;
char *name;
size_t name_len;
MYSQL_STMT* stmt;
/* Set after send to disallow other queries before reap */
my_bool pending;
#ifdef EMBEDDED_LIBRARY
pthread_t tid;
const char *cur_query;
int cur_query_len;
int command, result;
pthread_mutex_t query_mutex;
pthread_cond_t query_cond;
pthread_mutex_t result_mutex;
pthread_cond_t result_cond;
int query_done;
my_bool has_thread;
#endif /*EMBEDDED_LIBRARY*/
};
struct st_connection *connections= NULL;
struct st_connection* cur_con= NULL, *next_con, *connections_end;
/*
List of commands in mysqltest
Must match the "command_names" array
Add new commands before Q_UNKNOWN!
*/
enum enum_commands {
Q_CONNECTION=1, Q_QUERY,
Q_CONNECT, Q_SLEEP, Q_REAL_SLEEP,
Q_INC, Q_DEC,
Q_SOURCE, Q_DISCONNECT,
Q_LET, Q_ECHO,
Q_WHILE, Q_END_BLOCK,
Q_SYSTEM, Q_RESULT,
Q_REQUIRE, Q_SAVE_MASTER_POS,
Q_SYNC_WITH_MASTER,
Q_SYNC_SLAVE_WITH_MASTER,
Q_ERROR,
Q_SEND, Q_REAP,
Q_DIRTY_CLOSE, Q_REPLACE, Q_REPLACE_COLUMN,
Q_PING, Q_EVAL,
Q_EVALP,
Q_EVAL_RESULT,
Q_ENABLE_QUERY_LOG, Q_DISABLE_QUERY_LOG,
Q_ENABLE_RESULT_LOG, Q_DISABLE_RESULT_LOG,
Q_ENABLE_CONNECT_LOG, Q_DISABLE_CONNECT_LOG,
Q_WAIT_FOR_SLAVE_TO_STOP,
Q_ENABLE_WARNINGS, Q_DISABLE_WARNINGS,
Q_ENABLE_INFO, Q_DISABLE_INFO,
Q_ENABLE_METADATA, Q_DISABLE_METADATA,
Q_ENABLE_COLUMN_NAMES, Q_DISABLE_COLUMN_NAMES,
Q_EXEC, Q_DELIMITER,
Q_DISABLE_ABORT_ON_ERROR, Q_ENABLE_ABORT_ON_ERROR,
Q_DISPLAY_VERTICAL_RESULTS, Q_DISPLAY_HORIZONTAL_RESULTS,
Q_QUERY_VERTICAL, Q_QUERY_HORIZONTAL, Q_SORTED_RESULT,
Q_LOWERCASE,
Q_START_TIMER, Q_END_TIMER,
Q_CHARACTER_SET, Q_DISABLE_PS_PROTOCOL, Q_ENABLE_PS_PROTOCOL,
Q_ENABLE_NON_BLOCKING_API, Q_DISABLE_NON_BLOCKING_API,
Q_DISABLE_RECONNECT, Q_ENABLE_RECONNECT,
Q_IF,
Q_DISABLE_PARSING, Q_ENABLE_PARSING,
Q_REPLACE_REGEX, Q_REMOVE_FILE, Q_FILE_EXIST,
Q_WRITE_FILE, Q_COPY_FILE, Q_PERL, Q_DIE, Q_EXIT, Q_SKIP,
Q_CHMOD_FILE, Q_APPEND_FILE, Q_CAT_FILE, Q_DIFF_FILES,
Q_SEND_QUIT, Q_CHANGE_USER, Q_MKDIR, Q_RMDIR,
Q_LIST_FILES, Q_LIST_FILES_WRITE_FILE, Q_LIST_FILES_APPEND_FILE,
Q_SEND_SHUTDOWN, Q_SHUTDOWN_SERVER,
Q_RESULT_FORMAT_VERSION,
Q_MOVE_FILE, Q_REMOVE_FILES_WILDCARD, Q_SEND_EVAL,
Q_ENABLE_PREPARE_WARNINGS, Q_DISABLE_PREPARE_WARNINGS,
Q_UNKNOWN, /* Unknown command. */
Q_COMMENT, /* Comments, ignored. */
Q_COMMENT_WITH_COMMAND,
Q_EMPTY_LINE
};
const char *command_names[]=
{
"connection",
"query",
"connect",
"sleep",
"real_sleep",
"inc",
"dec",
"source",
"disconnect",
"let",
"echo",
"while",
"end",
"system",
"result",
"require",
"save_master_pos",
"sync_with_master",
"sync_slave_with_master",
"error",
"send",
"reap",
"dirty_close",
"replace_result",
"replace_column",
"ping",
"eval",
"evalp",
"eval_result",
/* Enable/disable that the _query_ is logged to result file */
"enable_query_log",
"disable_query_log",
/* Enable/disable that the _result_ from a query is logged to result file */
"enable_result_log",
"disable_result_log",
"enable_connect_log",
"disable_connect_log",
"wait_for_slave_to_stop",
"enable_warnings",
"disable_warnings",
"enable_info",
"disable_info",
"enable_metadata",
"disable_metadata",
"enable_column_names",
"disable_column_names",
"exec",
"delimiter",
"disable_abort_on_error",
"enable_abort_on_error",
"vertical_results",
"horizontal_results",
"query_vertical",
"query_horizontal",
"sorted_result",
"lowercase_result",
"start_timer",
"end_timer",
"character_set",
"disable_ps_protocol",
"enable_ps_protocol",
"enable_non_blocking_api",
"disable_non_blocking_api",
"disable_reconnect",
"enable_reconnect",
"if",
"disable_parsing",
"enable_parsing",
"replace_regex",
"remove_file",
"file_exists",
"write_file",
"copy_file",
"perl",
"die",
/* Don't execute any more commands, compare result */
"exit",
"skip",
"chmod",
"append_file",
"cat_file",
"diff_files",
"send_quit",
"change_user",
"mkdir",
"rmdir",
"list_files",
"list_files_write_file",
"list_files_append_file",
"send_shutdown",
"shutdown_server",
"result_format",
"move_file",
"remove_files_wildcard",
"send_eval",
"enable_prepare_warnings",
"disable_prepare_warnings",
0
};
/*
The list of error codes to --error are stored in an internal array of
structs. This struct can hold numeric SQL error codes, error names or
SQLSTATE codes as strings. The element next to the last active element
in the list is set to type ERR_EMPTY. When an SQL statement returns an
error, we use this list to check if this is an expected error.
*/
enum match_err_type
{
ERR_EMPTY= 0,
ERR_ERRNO,
ERR_SQLSTATE
};
struct st_match_err
{
enum match_err_type type;
union
{
uint errnum;
char sqlstate[SQLSTATE_LENGTH+1]; /* \0 terminated string */
} code;
};
struct st_expected_errors
{
struct st_match_err err[10];
uint count;
};
static struct st_expected_errors saved_expected_errors;
struct st_command
{
char *query, *query_buf,*first_argument,*last_argument,*end;
DYNAMIC_STRING content;
DYNAMIC_STRING eval_query;
int first_word_len, query_len;
my_bool abort_on_error, used_replace;
struct st_expected_errors expected_errors;
char *require_file;
enum enum_commands type;
};
TYPELIB command_typelib= {array_elements(command_names),"",
command_names, 0};
DYNAMIC_STRING ds_res;
/* Points to ds_warning in run_query, so it can be freed */
DYNAMIC_STRING *ds_warn= 0;
struct st_command *curr_command= 0;
char builtin_echo[FN_REFLEN];
struct st_replace_regex
{
DYNAMIC_ARRAY regex_arr; /* stores a list of st_regex subsitutions */
/*
Temporary storage areas for substitutions. To reduce unnessary copying
and memory freeing/allocation, we pre-allocate two buffers, and alternate
their use, one for input/one for output, the roles changing on the next
st_regex substition. At the end of substitutions buf points to the
one containing the final result.
*/
char* buf;
char* even_buf;
char* odd_buf;
int even_buf_len;
int odd_buf_len;
};
struct st_replace_regex *glob_replace_regex= 0;
struct st_replace;
struct st_replace *glob_replace= 0;
void replace_strings_append(struct st_replace *rep, DYNAMIC_STRING* ds,
const char *from, int len);
static void cleanup_and_exit(int exit_code) __attribute__((noreturn));
void really_die(const char *msg) __attribute__((noreturn));
void report_or_die(const char *fmt, ...) ATTRIBUTE_FORMAT(printf, 1, 2);
void die(const char *fmt, ...) ATTRIBUTE_FORMAT(printf, 1, 2)
__attribute__((noreturn));
static void make_error_message(char *buf, size_t len, const char *fmt, va_list args);
void abort_not_supported_test(const char *fmt, ...) ATTRIBUTE_FORMAT(printf, 1, 2)
__attribute__((noreturn));
void verbose_msg(const char *fmt, ...) ATTRIBUTE_FORMAT(printf, 1, 2);
void log_msg(const char *fmt, ...) ATTRIBUTE_FORMAT(printf, 1, 2);
VAR* var_from_env(const char *, const char *);
VAR* var_init(VAR* v, const char *name, int name_len, const char *val,
int val_len);
VAR* var_get(const char *var_name, const char** var_name_end,
my_bool raw, my_bool ignore_not_existing);
void eval_expr(VAR* v, const char *p, const char** p_end,
bool open_end=false, bool do_eval=true);
my_bool match_delimiter(int c, const char *delim, uint length);
void dump_result_to_reject_file(char *buf, int size);
void dump_warning_messages();
void do_eval(DYNAMIC_STRING *query_eval, const char *query,
const char *query_end, my_bool pass_through_escape_chars);
void str_to_file(const char *fname, char *str, int size);
void str_to_file2(const char *fname, char *str, int size, my_bool append);
void fix_win_paths(const char *val, int len);
const char *get_errname_from_code (uint error_code);
int multi_reg_replace(struct st_replace_regex* r,char* val);
#ifdef __WIN__
void free_tmp_sh_file();
void free_win_path_patterns();
#endif
/* For replace_column */
static char *replace_column[MAX_COLUMNS];
static uint max_replace_column= 0;
void do_get_replace_column(struct st_command*);
void free_replace_column();
/* For replace */
void do_get_replace(struct st_command *command);
void free_replace();
/* For replace_regex */
void do_get_replace_regex(struct st_command *command);
void free_replace_regex();
/* Used by sleep */
void check_eol_junk_line(const char *eol);
void free_all_replace(){
free_replace();
free_replace_regex();
free_replace_column();
}
void var_set_int(const char* name, int value);
class LogFile {
FILE* m_file;
char m_file_name[FN_REFLEN];
size_t m_bytes_written;
public:
LogFile() : m_file(NULL), m_bytes_written(0) {
bzero(m_file_name, sizeof(m_file_name));
}
~LogFile() {
close();
}
const char* file_name() const { return m_file_name; }
size_t bytes_written() const { return m_bytes_written; }
void open(const char* dir, const char* name, const char* ext)
{
DBUG_ENTER("LogFile::open");
DBUG_PRINT("enter", ("dir: '%s', name: '%s'", dir, name));
if (!name)
{
m_file= stdout;
DBUG_VOID_RETURN;
}
fn_format(m_file_name, name, dir, ext,
*dir ? MY_REPLACE_DIR | MY_REPLACE_EXT :
MY_REPLACE_EXT);
DBUG_PRINT("info", ("file_name: %s", m_file_name));
if ((m_file= fopen(m_file_name, "wb+")) == NULL)
die("Failed to open log file %s, errno: %d", m_file_name, errno);
DBUG_VOID_RETURN;
}
void close()
{
if (m_file) {
if (m_file != stdout)
fclose(m_file);
else
fflush(m_file);
}
m_file= NULL;
}
void flush()
{
if (m_file && m_file != stdout)
{
if (fflush(m_file))
die("Failed to flush '%s', errno: %d", m_file_name, errno);
}
}
void write(DYNAMIC_STRING* ds)
{
DBUG_ENTER("LogFile::write");
DBUG_ASSERT(m_file);
if (ds->length == 0)
DBUG_VOID_RETURN;
DBUG_ASSERT(ds->str);
#ifdef EXTRA_DEBUG
DBUG_PRINT("QQ", ("str: %*s", (int) ds->length, ds->str));
#endif
if (fwrite(ds->str, 1, ds->length, m_file) != ds->length)
die("Failed to write %lu bytes to '%s', errno: %d",
(unsigned long)ds->length, m_file_name, errno);
m_bytes_written+= ds->length;
DBUG_VOID_RETURN;
}
void show_tail(uint lines) {
DBUG_ENTER("LogFile::show_tail");
if (!m_file || m_file == stdout)
DBUG_VOID_RETURN;
if (lines == 0)
DBUG_VOID_RETURN;
lines++;
int show_offset= 0;
char buf[256+1]; /* + zero termination for DBUG_PRINT */
size_t bytes;
bool found_bof= false;
/* Search backward in file until "lines" newline has been found */
while (lines && !found_bof)
{
show_offset-= sizeof(buf)-1;
while(fseek(m_file, show_offset, SEEK_END) != 0 && show_offset < 0)
{
found_bof= true;
// Seeking before start of file
show_offset++;
}
if ((bytes= fread(buf, 1, sizeof(buf)-1, m_file)) <= 0)
{
// ferror=0 will happen here if no queries executed yet
if (ferror(m_file))
fprintf(stderr,
"Failed to read from '%s', errno: %d, feof:%d, ferror:%d\n",
m_file_name, errno, feof(m_file), ferror(m_file));
DBUG_VOID_RETURN;
}
DBUG_PRINT("info", ("Read %zu bytes from file, buf: %.*s",
bytes, (int)bytes, buf));
char* show_from= buf + bytes;
while(show_from > buf && lines > 0 )
{
show_from--;
if (*show_from == '\n')
lines--;
}
if (show_from != buf)
{
// The last new line was found in this buf, adjust offset
show_offset+= (show_from - buf) + 1;
DBUG_PRINT("info", ("adjusted offset to %d", show_offset));
}
DBUG_PRINT("info", ("show_offset: %d", show_offset));
}
fprintf(stderr, "\nThe result from queries just before the failure was:\n");
DBUG_PRINT("info", ("show_offset: %d", show_offset));
if (!lines)
{
fprintf(stderr, "< snip >\n");
if (fseek(m_file, show_offset, SEEK_END) != 0)
{
fprintf(stderr, "Failed to seek to position %d in '%s', errno: %d",
show_offset, m_file_name, errno);
DBUG_VOID_RETURN;
}
}
else {
DBUG_PRINT("info", ("Showing the whole file"));
if (fseek(m_file, 0L, SEEK_SET) != 0)
{
fprintf(stderr, "Failed to seek to pos 0 in '%s', errno: %d",
m_file_name, errno);
DBUG_VOID_RETURN;
}
}
while ((bytes= fread(buf, 1, sizeof(buf)-1, m_file)) > 0)
if (bytes != fwrite(buf, 1, bytes, stderr))
die("Failed to write to '%s', errno: %d",
m_file_name, errno);
if (!lines)
{
fprintf(stderr,
"\nMore results from queries before failure can be found in %s\n",
m_file_name);
}
fflush(stderr);
DBUG_VOID_RETURN;
}
};
LogFile log_file;
LogFile progress_file;
void replace_dynstr_append_mem(DYNAMIC_STRING *ds, const char *val,
int len);
void replace_dynstr_append(DYNAMIC_STRING *ds, const char *val);
void replace_dynstr_append_uint(DYNAMIC_STRING *ds, uint val);
void dynstr_append_sorted(DYNAMIC_STRING* ds, DYNAMIC_STRING* ds_input,
bool keep_header);
static int match_expected_error(struct st_command *command,
unsigned int err_errno,
const char *err_sqlstate);
void handle_error(struct st_command*,
unsigned int err_errno, const char *err_error,
const char *err_sqlstate, DYNAMIC_STRING *ds);
void handle_no_error(struct st_command*);
void revert_properties();
static void handle_no_active_connection(struct st_command* command,
struct st_connection *cn, DYNAMIC_STRING *ds);
#ifdef EMBEDDED_LIBRARY
#define EMB_SEND_QUERY 1
#define EMB_READ_QUERY_RESULT 2
#define EMB_END_CONNECTION 3
#define EMB_PREPARE_STMT 4
#define EMB_EXECUTE_STMT 5
/* workaround for MySQL BUG#57491 */
#undef MY_WME
#define MY_WME 0
/* attributes of the query thread */
pthread_attr_t cn_thd_attrib;
/*
This procedure represents the connection and actually
runs queries when in the EMBEDDED-SERVER mode.
The run_query_normal() just sends request for running
mysql_send_query and mysql_read_query_result() here.
*/
pthread_handler_t connection_thread(void *arg)
{
struct st_connection *cn= (struct st_connection*)arg;
mysql_thread_init();
while (cn->command != EMB_END_CONNECTION)
{
if (!cn->command)
{
pthread_mutex_lock(&cn->query_mutex);
while (!cn->command)
pthread_cond_wait(&cn->query_cond, &cn->query_mutex);
pthread_mutex_unlock(&cn->query_mutex);
}
switch (cn->command)
{
case EMB_END_CONNECTION:
goto end_thread;
case EMB_SEND_QUERY:
cn->result= mysql_send_query(cn->mysql,
cn->cur_query, cn->cur_query_len);
break;
case EMB_READ_QUERY_RESULT:
cn->result= mysql_read_query_result(cn->mysql);
break;
case EMB_PREPARE_STMT:
cn->result= mysql_stmt_prepare(cn->stmt,
cn->cur_query, cn->cur_query_len);
break;
case EMB_EXECUTE_STMT:
cn->result= mysql_stmt_execute(cn->stmt);
break;
default:
DBUG_ASSERT(0);
}
cn->command= 0;
pthread_mutex_lock(&cn->result_mutex);
cn->query_done= 1;
pthread_cond_signal(&cn->result_cond);
pthread_mutex_unlock(&cn->result_mutex);
}
end_thread:
cn->query_done= 1;
mysql_thread_end();
pthread_exit(0);
return 0;
}
static void wait_query_thread_done(struct st_connection *con)
{
DBUG_ASSERT(con->has_thread);
if (!con->query_done)
{
pthread_mutex_lock(&con->result_mutex);
while (!con->query_done)
pthread_cond_wait(&con->result_cond, &con->result_mutex);
pthread_mutex_unlock(&con->result_mutex);
}
}
static void signal_connection_thd(struct st_connection *cn, int command)
{
DBUG_ASSERT(cn->has_thread);
cn->query_done= 0;
cn->command= command;
pthread_mutex_lock(&cn->query_mutex);
pthread_cond_signal(&cn->query_cond);
pthread_mutex_unlock(&cn->query_mutex);
}
/*
Sometimes we try to execute queries when the connection is closed.
It's done to make sure it was closed completely.
So that if our connection is closed (cn->has_thread == 0), we just return
the mysql_send_query() result which is an error in this case.
*/
static int do_send_query(struct st_connection *cn, const char *q, int q_len)
{
if (!cn->has_thread)
return mysql_send_query(cn->mysql, q, q_len);
cn->cur_query= q;
cn->cur_query_len= q_len;
signal_connection_thd(cn, EMB_SEND_QUERY);
return 0;
}
static int do_read_query_result(struct st_connection *cn)
{
DBUG_ASSERT(cn->has_thread);
wait_query_thread_done(cn);
if (cn->result)
goto exit_func;
signal_connection_thd(cn, EMB_READ_QUERY_RESULT);
wait_query_thread_done(cn);
exit_func:
return cn->result;
}
static int do_stmt_prepare(struct st_connection *cn, const char *q, int q_len)
{
/* The cn->stmt is already set. */
if (!cn->has_thread)
return mysql_stmt_prepare(cn->stmt, q, q_len);
cn->cur_query= q;
cn->cur_query_len= q_len;
signal_connection_thd(cn, EMB_PREPARE_STMT);
wait_query_thread_done(cn);
return cn->result;
}
static int do_stmt_execute(struct st_connection *cn)
{
/* The cn->stmt is already set. */
if (!cn->has_thread)
return mysql_stmt_execute(cn->stmt);
signal_connection_thd(cn, EMB_EXECUTE_STMT);
wait_query_thread_done(cn);
return cn->result;
}
static void emb_close_connection(struct st_connection *cn)
{
if (!cn->has_thread)
return;
wait_query_thread_done(cn);
signal_connection_thd(cn, EMB_END_CONNECTION);
pthread_join(cn->tid, NULL);
cn->has_thread= FALSE;
pthread_mutex_destroy(&cn->query_mutex);
pthread_cond_destroy(&cn->query_cond);
pthread_mutex_destroy(&cn->result_mutex);
pthread_cond_destroy(&cn->result_cond);
}