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MWL#192: non-blocking client API, after-review fixes.

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Main change is that non-blocking operation is now an option that must be
explicitly enabled with mysql_option(mysql, MYSQL_OPT_NONBLOCK, ...)
before any non-blocing operation can be used.

Also the CLIENT_REMEMBER_OPTIONS flag is now always enabled and thus
effectively ignored (it was not really useful anyway, and this simplifies
things when non-blocking mysql_real_connect() fails).
This commit is contained in:
unknown
2012-01-06 12:43:18 +01:00
parent a5b881594d
commit 17940b652d
23 changed files with 1727 additions and 765 deletions
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45
include/mysql.h
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@@ -169,7 +169,9 @@ enum mysql_option
MYSQL_OPT_USE_REMOTE_CONNECTION, MYSQL_OPT_USE_EMBEDDED_CONNECTION,
MYSQL_OPT_GUESS_CONNECTION, MYSQL_SET_CLIENT_IP, MYSQL_SECURE_AUTH,
MYSQL_REPORT_DATA_TRUNCATION, MYSQL_OPT_RECONNECT,
MYSQL_OPT_SSL_VERIFY_SERVER_CERT, MYSQL_PLUGIN_DIR, MYSQL_DEFAULT_AUTH
MYSQL_OPT_SSL_VERIFY_SERVER_CERT, MYSQL_PLUGIN_DIR, MYSQL_DEFAULT_AUTH,
/* MariaDB options */
MYSQL_OPT_NONBLOCK=6000
};
/**
@@ -264,8 +266,6 @@ typedef struct character_set
struct st_mysql_methods;
struct st_mysql_stmt;
struct st_mysql_extension;
typedef struct st_mysql
{
NET net; /* Communication parameters */
@@ -320,7 +320,7 @@ typedef struct st_mysql
my_bool *unbuffered_fetch_owner;
/* needed for embedded server - no net buffer to store the 'info' */
char *info_buffer;
struct st_mysql_extension *extension;
void *extension;
} MYSQL;
@@ -382,14 +382,21 @@ typedef struct st_mysql_parameters
Flag bits, the asynchronous methods return a combination of these ORed
together to let the application know when to resume the suspended operation.
*/
typedef enum {
MYSQL_WAIT_READ= 1, /* Wait for data to be available on socket to read */
/* mysql_get_socket_fd() will return socket descriptor*/
MYSQL_WAIT_WRITE= 2, /* Wait for socket to be ready to write data */
MYSQL_WAIT_EXCEPT= 4, /* Wait for select() to mark exception on socket */
MYSQL_WAIT_TIMEOUT= 8 /* Wait until timeout occurs. Value of timeout can be */
/* obtained from mysql_get_timeout_value() */
} MYSQL_ASYNC_STATUS;
/*
Wait for data to be available on socket to read.
mysql_get_socket_fd() will return socket descriptor.
*/
#define MYSQL_WAIT_READ 1
/* Wait for socket to be ready to write data. */
#define MYSQL_WAIT_WRITE 2
/* Wait for select() to mark exception on socket. */
#define MYSQL_WAIT_EXCEPT 4
/*
Wait until timeout occurs. Value of timeout can be obtained from
mysql_get_timeout_value().
*/
#define MYSQL_WAIT_TIMEOUT 8
#if !defined(MYSQL_SERVER) && !defined(EMBEDDED_LIBRARY)
#define max_allowed_packet (*mysql_get_parameters()->p_max_allowed_packet)
@@ -943,6 +950,7 @@ my_bool STDCALL mysql_more_results(MYSQL *mysql);
int STDCALL mysql_next_result(MYSQL *mysql);
int STDCALL mysql_next_result_start(int *ret, MYSQL *mysql);
int STDCALL mysql_next_result_cont(int *ret, MYSQL *mysql, int status);
void STDCALL mysql_close_slow_part(MYSQL *mysql);
void STDCALL mysql_close(MYSQL *sock);
int STDCALL mysql_close_start(MYSQL *sock);
int STDCALL mysql_close_cont(MYSQL *sock, int status);
@@ -958,20 +966,7 @@ unsigned int STDCALL mysql_get_timeout_value(const MYSQL *mysql);
#ifdef USE_OLD_FUNCTIONS
MYSQL * STDCALL mysql_connect(MYSQL *mysql, const char *host,
const char *user, const char *passwd);
int STDCALL mysql_connect_start(MYSQL **ret, MYSQL *mysql,
const char *host, const char *user,
const char *passwd);
int STDCALL mysql_connect_cont(MYSQL **ret, MYSQL *mysql,
int status);
int STDCALL mysql_create_db(MYSQL *mysql, const char *DB);
int STDCALL mysql_create_db_start(int *ret, MYSQL *mysql,
const char *DB);
int STDCALL mysql_create_db_cont(int *ret, MYSQL *mysql,
int status);
int STDCALL mysql_drop_db(MYSQL *mysql, const char *DB);
int STDCALL mysql_drop_db_start(int *ret, MYSQL *mysql,
const char *DB);
int STDCALL mysql_drop_db_cont(int *ret, MYSQL *mysql, int status);
int STDCALL mysql_drop_db(MYSQL *mysql, const char *DB);
#define mysql_reload(mysql) mysql_refresh((mysql),REFRESH_GRANT)
#endif