diff options
Diffstat (limited to 'src/common/sql.c')
-rw-r--r-- | src/common/sql.c | 148 |
1 files changed, 75 insertions, 73 deletions
diff --git a/src/common/sql.c b/src/common/sql.c index ed93169ea..9a90f9807 100644 --- a/src/common/sql.c +++ b/src/common/sql.c @@ -79,11 +79,11 @@ struct SqlStmt { /////////////////////////////////////////////////////////////////////////////// /// Allocates and initializes a new Sql handle. -Sql* Sql_Malloc(void) +struct Sql *Sql_Malloc(void) { - Sql* self; + struct Sql *self; - CREATE(self, Sql, 1); + CREATE(self, struct Sql, 1); mysql_init(&self->handle); StrBuf->Init(&self->buf); self->lengths = NULL; @@ -93,10 +93,10 @@ Sql* Sql_Malloc(void) return self; } -static int Sql_P_Keepalive(Sql* self); +static int Sql_P_Keepalive(struct Sql *self); /// Establishes a connection. -int Sql_Connect(Sql* self, const char* user, const char* passwd, const char* host, uint16 port, const char* db) +int Sql_Connect(struct Sql *self, const char *user, const char *passwd, const char *host, uint16 port, const char *db) { if( self == NULL ) return SQL_ERROR; @@ -119,7 +119,7 @@ int Sql_Connect(Sql* self, const char* user, const char* passwd, const char* hos } /// Retrieves the timeout of the connection. -int Sql_GetTimeout(Sql* self, uint32* out_timeout) +int Sql_GetTimeout(struct Sql *self, uint32 *out_timeout) { if( self && out_timeout && SQL_SUCCESS == SQL->Query(self, "SHOW VARIABLES LIKE 'wait_timeout'") ) { char* data; @@ -136,7 +136,7 @@ int Sql_GetTimeout(Sql* self, uint32* out_timeout) } /// Retrieves the name of the columns of a table into out_buf, with the separator after each name. -int Sql_GetColumnNames(Sql* self, const char* table, char* out_buf, size_t buf_len, char sep) +int Sql_GetColumnNames(struct Sql *self, const char *table, char *out_buf, size_t buf_len, char sep) { char* data; size_t len; @@ -164,7 +164,7 @@ int Sql_GetColumnNames(Sql* self, const char* table, char* out_buf, size_t buf_l } /// Changes the encoding of the connection. -int Sql_SetEncoding(Sql* self, const char* encoding) +int Sql_SetEncoding(struct Sql *self, const char *encoding) { if( self && mysql_set_character_set(&self->handle, encoding) == 0 ) return SQL_SUCCESS; @@ -172,7 +172,7 @@ int Sql_SetEncoding(Sql* self, const char* encoding) } /// Pings the connection. -int Sql_Ping(Sql* self) +int Sql_Ping(struct Sql *self) { if( self && mysql_ping(&self->handle) == 0 ) return SQL_SUCCESS; @@ -184,7 +184,7 @@ int Sql_Ping(Sql* self) /// @private static int Sql_P_KeepaliveTimer(int tid, int64 tick, int id, intptr_t data) { - Sql* self = (Sql*)data; + struct Sql *self = (struct Sql *)data; ShowInfo("Pinging SQL server to keep connection alive...\n"); Sql_Ping(self); return 0; @@ -194,7 +194,7 @@ static int Sql_P_KeepaliveTimer(int tid, int64 tick, int id, intptr_t data) /// /// @return the keepalive timer id, or INVALID_TIMER /// @private -static int Sql_P_Keepalive(Sql* self) +static int Sql_P_Keepalive(struct Sql *self) { uint32 timeout, ping_interval; @@ -214,26 +214,27 @@ static int Sql_P_Keepalive(Sql* self) } /// Escapes a string. -size_t Sql_EscapeString(Sql* self, char *out_to, const char *from) +size_t Sql_EscapeString(struct Sql *self, char *out_to, const char *from) { - if( self ) + if (self != NULL) return (size_t)mysql_real_escape_string(&self->handle, out_to, from, (unsigned long)strlen(from)); else return (size_t)mysql_escape_string(out_to, from, (unsigned long)strlen(from)); } /// Escapes a string. -size_t Sql_EscapeStringLen(Sql* self, char *out_to, const char *from, size_t from_len) +size_t Sql_EscapeStringLen(struct Sql *self, char *out_to, const char *from, size_t from_len) { - if( self ) + if (self != NULL) return (size_t)mysql_real_escape_string(&self->handle, out_to, from, (unsigned long)from_len); else return (size_t)mysql_escape_string(out_to, from, (unsigned long)from_len); } /// Executes a query. -int Sql_Query(Sql *self, const char *query, ...) __attribute__((format(printf, 2, 3))); -int Sql_Query(Sql *self, const char *query, ...) { +int Sql_Query(struct Sql *self, const char *query, ...) __attribute__((format(printf, 2, 3))); +int Sql_Query(struct Sql *self, const char *query, ...) +{ int res; va_list args; @@ -245,7 +246,7 @@ int Sql_Query(Sql *self, const char *query, ...) { } /// Executes a query. -int Sql_QueryV(Sql* self, const char* query, va_list args) +int Sql_QueryV(struct Sql *self, const char *query, va_list args) { if( self == NULL ) return SQL_ERROR; @@ -270,7 +271,7 @@ int Sql_QueryV(Sql* self, const char* query, va_list args) } /// Executes a query. -int Sql_QueryStr(Sql* self, const char* query) +int Sql_QueryStr(struct Sql *self, const char *query) { if( self == NULL ) return SQL_ERROR; @@ -295,33 +296,34 @@ int Sql_QueryStr(Sql* self, const char* query) } /// Returns the number of the AUTO_INCREMENT column of the last INSERT/UPDATE query. -uint64 Sql_LastInsertId(Sql* self) +uint64 Sql_LastInsertId(struct Sql *self) { - if( self ) + if (self != NULL) return (uint64)mysql_insert_id(&self->handle); else return 0; } /// Returns the number of columns in each row of the result. -uint32 Sql_NumColumns(Sql* self) +uint32 Sql_NumColumns(struct Sql *self) { - if( self && self->result ) + if (self != NULL && self->result != NULL) return (uint32)mysql_num_fields(self->result); return 0; } /// Returns the number of rows in the result. -uint64 Sql_NumRows(Sql* self) +uint64 Sql_NumRows(struct Sql *self) { - if( self && self->result ) + if (self != NULL && self->result != NULL) return (uint64)mysql_num_rows(self->result); return 0; } /// Fetches the next row. -int Sql_NextRow(Sql* self) { - if( self && self->result ) { +int Sql_NextRow(struct Sql *self) +{ + if (self != NULL && self->result != NULL) { self->row = mysql_fetch_row(self->result); if( self->row ) { self->lengths = mysql_fetch_lengths(self->result); @@ -335,7 +337,7 @@ int Sql_NextRow(Sql* self) { } /// Gets the data of a column. -int Sql_GetData(Sql* self, size_t col, char** out_buf, size_t* out_len) +int Sql_GetData(struct Sql *self, size_t col, char **out_buf, size_t *out_len) { if( self && self->row ) { if( col < SQL->NumColumns(self) ) { @@ -351,7 +353,8 @@ int Sql_GetData(Sql* self, size_t col, char** out_buf, size_t* out_len) } /// Frees the result of the query. -void Sql_FreeResult(Sql* self) { +void Sql_FreeResult(struct Sql *self) +{ if( self && self->result ) { mysql_free_result(self->result); self->result = NULL; @@ -361,7 +364,7 @@ void Sql_FreeResult(Sql* self) { } /// Shows debug information (last query). -void Sql_ShowDebug_(Sql* self, const char* debug_file, const unsigned long debug_line) +void Sql_ShowDebug_(struct Sql *self, const char *debug_file, const unsigned long debug_line) { if( self == NULL ) ShowDebug("at %s:%lu - self is NULL\n", debug_file, debug_line); @@ -372,7 +375,7 @@ void Sql_ShowDebug_(Sql* self, const char* debug_file, const unsigned long debug } /// Frees a Sql handle returned by Sql_Malloc. -void Sql_Free(Sql* self) { +void Sql_Free(struct Sql *self) { if( self ) { SQL->FreeResult(self); @@ -515,7 +518,7 @@ static void Sql_P_ShowDebugMysqlFieldInfo(const char* prefix, enum enum_field_ty /// Reports debug information about a truncated column. /// /// @private -static void SqlStmt_P_ShowDebugTruncatedColumn(SqlStmt* self, size_t i) +static void SqlStmt_P_ShowDebugTruncatedColumn(struct SqlStmt *self, size_t i) { MYSQL_RES* meta; MYSQL_FIELD* field; @@ -535,8 +538,9 @@ static void SqlStmt_P_ShowDebugTruncatedColumn(SqlStmt* self, size_t i) } /// Allocates and initializes a new SqlStmt handle. -SqlStmt* SqlStmt_Malloc(Sql* sql) { - SqlStmt* self; +struct SqlStmt *SqlStmt_Malloc(struct Sql *sql) +{ + struct SqlStmt *self; MYSQL_STMT* stmt; if( sql == NULL ) @@ -547,7 +551,7 @@ SqlStmt* SqlStmt_Malloc(Sql* sql) { ShowSQL("DB error - %s\n", mysql_error(&sql->handle)); return NULL; } - CREATE(self, SqlStmt, 1); + CREATE(self, struct SqlStmt, 1); StrBuf->Init(&self->buf); self->stmt = stmt; self->params = NULL; @@ -562,8 +566,9 @@ SqlStmt* SqlStmt_Malloc(Sql* sql) { } /// Prepares the statement. -int SqlStmt_Prepare(SqlStmt *self, const char *query, ...) __attribute__((format(printf, 2, 3))); -int SqlStmt_Prepare(SqlStmt *self, const char *query, ...) { +int SqlStmt_Prepare(struct SqlStmt *self, const char *query, ...) __attribute__((format(printf, 2, 3))); +int SqlStmt_Prepare(struct SqlStmt *self, const char *query, ...) +{ int res; va_list args; @@ -575,7 +580,7 @@ int SqlStmt_Prepare(SqlStmt *self, const char *query, ...) { } /// Prepares the statement. -int SqlStmt_PrepareV(SqlStmt* self, const char* query, va_list args) +int SqlStmt_PrepareV(struct SqlStmt *self, const char *query, va_list args) { if( self == NULL ) return SQL_ERROR; @@ -595,7 +600,7 @@ int SqlStmt_PrepareV(SqlStmt* self, const char* query, va_list args) } /// Prepares the statement. -int SqlStmt_PrepareStr(SqlStmt* self, const char* query) +int SqlStmt_PrepareStr(struct SqlStmt *self, const char *query) { if( self == NULL ) return SQL_ERROR; @@ -615,7 +620,7 @@ int SqlStmt_PrepareStr(SqlStmt* self, const char* query) } /// Returns the number of parameters in the prepared statement. -size_t SqlStmt_NumParams(SqlStmt* self) +size_t SqlStmt_NumParams(struct SqlStmt *self) { if( self ) return (size_t)mysql_stmt_param_count(self->stmt); @@ -624,7 +629,7 @@ size_t SqlStmt_NumParams(SqlStmt* self) } /// Binds a parameter to a buffer. -int SqlStmt_BindParam(SqlStmt* self, size_t idx, enum SqlDataType buffer_type, void* buffer, size_t buffer_len) +int SqlStmt_BindParam(struct SqlStmt *self, size_t idx, enum SqlDataType buffer_type, const void *buffer, size_t buffer_len) { if( self == NULL ) return SQL_ERROR; @@ -645,14 +650,23 @@ int SqlStmt_BindParam(SqlStmt* self, size_t idx, enum SqlDataType buffer_type, v self->params[i].buffer_type = MYSQL_TYPE_NULL; self->bind_params = true; } - if( idx < self->max_params ) - return Sql_P_BindSqlDataType(self->params+idx, buffer_type, buffer, buffer_len, NULL, NULL); - else - return SQL_SUCCESS;// out of range - ignore + if (idx >= self->max_params) + return SQL_SUCCESS; // out of range - ignore + +PRAGMA_GCC45(GCC diagnostic push) +PRAGMA_GCC45(GCC diagnostic ignored "-Wcast-qual") + /* + * MySQL uses the same struct with a non-const buffer for both + * parameters (input) and columns (output). + * As such, we get to close our eyes and pretend we didn't see we're + * dropping a const qualifier here. + */ + return Sql_P_BindSqlDataType(self->params+idx, buffer_type, (void *)buffer, buffer_len, NULL, NULL); +PRAGMA_GCC45(GCC diagnostic pop) } /// Executes the prepared statement. -int SqlStmt_Execute(SqlStmt* self) +int SqlStmt_Execute(struct SqlStmt *self) { if( self == NULL ) return SQL_ERROR; @@ -677,7 +691,7 @@ int SqlStmt_Execute(SqlStmt* self) } /// Returns the number of the AUTO_INCREMENT column of the last INSERT/UPDATE statement. -uint64 SqlStmt_LastInsertId(SqlStmt* self) +uint64 SqlStmt_LastInsertId(struct SqlStmt *self) { if( self ) return (uint64)mysql_stmt_insert_id(self->stmt); @@ -686,7 +700,7 @@ uint64 SqlStmt_LastInsertId(SqlStmt* self) } /// Returns the number of columns in each row of the result. -size_t SqlStmt_NumColumns(SqlStmt* self) +size_t SqlStmt_NumColumns(struct SqlStmt *self) { if( self ) return (size_t)mysql_stmt_field_count(self->stmt); @@ -695,7 +709,8 @@ size_t SqlStmt_NumColumns(SqlStmt* self) } /// Binds the result of a column to a buffer. -int SqlStmt_BindColumn(SqlStmt *self, size_t idx, enum SqlDataType buffer_type, void *buffer, size_t buffer_len, uint32 *out_length, int8 *out_is_null) { +int SqlStmt_BindColumn(struct SqlStmt *self, size_t idx, enum SqlDataType buffer_type, void *buffer, size_t buffer_len, uint32 *out_length, int8 *out_is_null) +{ if (self == NULL) return SQL_ERROR; @@ -736,16 +751,16 @@ int SqlStmt_BindColumn(SqlStmt *self, size_t idx, enum SqlDataType buffer_type, } /// Returns the number of rows in the result. -uint64 SqlStmt_NumRows(SqlStmt* self) +uint64 SqlStmt_NumRows(struct SqlStmt *self) { - if( self ) + if (self != NULL) return (uint64)mysql_stmt_num_rows(self->stmt); else return 0; } /// Fetches the next row. -int SqlStmt_NextRow(SqlStmt* self) +int SqlStmt_NextRow(struct SqlStmt *self) { int err; size_t i; @@ -763,8 +778,6 @@ int SqlStmt_NextRow(SqlStmt* self) // check for errors if (err == MYSQL_NO_DATA) return SQL_NO_DATA; -#if defined(MYSQL_DATA_TRUNCATED) - // MySQL 5.0/5.1 defines and returns MYSQL_DATA_TRUNCATED [FlavioJS] if (err == MYSQL_DATA_TRUNCATED) { my_bool truncated; @@ -789,7 +802,6 @@ int SqlStmt_NextRow(SqlStmt* self) ShowSQL("DB error - data truncated (unknown source)\n"); return SQL_ERROR; } -#endif if (err) { ShowSQL("DB error - %s\n", mysql_stmt_error(self->stmt)); hercules_mysql_error_handler(mysql_stmt_errno(self->stmt)); @@ -801,18 +813,6 @@ int SqlStmt_NextRow(SqlStmt* self) for (i = 0; i < cols; ++i) { unsigned long length = self->column_lengths[i].length; MYSQL_BIND *column = &self->columns[i]; -#if !defined(MYSQL_DATA_TRUNCATED) - // MySQL 4.1/(below?) returns success even if data is truncated, so we test truncation manually [FlavioJS] - if (column->buffer_length < length) { - // report truncated column - if (column->buffer_type == MYSQL_TYPE_STRING || column->buffer_type == MYSQL_TYPE_BLOB) { - // string/enum/blob column - SqlStmt_P_ShowDebugTruncatedColumn(self, i); - return SQL_ERROR; - } - // FIXME numeric types and null [FlavioJS] - } -#endif if (self->column_lengths[i].out_length) *self->column_lengths[i].out_length = (uint32)length; if (column->buffer_type == MYSQL_TYPE_STRING) { @@ -828,14 +828,14 @@ int SqlStmt_NextRow(SqlStmt* self) } /// Frees the result of the statement execution. -void SqlStmt_FreeResult(SqlStmt* self) +void SqlStmt_FreeResult(struct SqlStmt *self) { if( self ) mysql_stmt_free_result(self->stmt); } /// Shows debug information (with statement). -void SqlStmt_ShowDebug_(SqlStmt* self, const char* debug_file, const unsigned long debug_line) +void SqlStmt_ShowDebug_(struct SqlStmt *self, const char *debug_file, const unsigned long debug_line) { if( self == NULL ) ShowDebug("at %s:%lu - self is NULL\n", debug_file, debug_line); @@ -846,7 +846,7 @@ void SqlStmt_ShowDebug_(SqlStmt* self, const char* debug_file, const unsigned lo } /// Frees a SqlStmt returned by SqlStmt_Malloc. -void SqlStmt_Free(SqlStmt* self) +void SqlStmt_Free(struct SqlStmt *self) { if( self ) { @@ -865,10 +865,10 @@ void SqlStmt_Free(SqlStmt* self) } /* receives mysql error codes during runtime (not on first-time-connects) */ void hercules_mysql_error_handler(unsigned int ecode) { - static unsigned int retry = 1; switch( ecode ) { case 2003:/* Can't connect to MySQL (this error only happens here when failing to reconnect) */ if( mysql_reconnect_type == 1 ) { + static unsigned int retry = 1; if( ++retry > mysql_reconnect_count ) { ShowFatalError("MySQL has been unreachable for too long, %u reconnects were attempted. Shutting Down\n", retry); exit(EXIT_FAILURE); @@ -919,7 +919,8 @@ void Sql_inter_server_read(const char* cfgName, bool first) { return; } -void Sql_HerculesUpdateCheck(Sql* self) { +void Sql_HerculesUpdateCheck(struct Sql *self) +{ char line[22];// "yyyy-mm-dd--hh-mm" (17) + ".sql" (4) + 1 FILE* ifp;/* index fp */ unsigned int performed = 0; @@ -980,7 +981,8 @@ void Sql_HerculesUpdateCheck(Sql* self) { StrBuf->Destroy(&buf); } -void Sql_HerculesUpdateSkip(Sql* self,const char *filename) { +void Sql_HerculesUpdateSkip(struct Sql *self, const char *filename) +{ char path[41];// "sql-files/upgrades/" (19) + "yyyy-mm-dd--hh-mm" (17) + ".sql" (4) + 1 char timestamp[11];// "1360186680" (10) + 1 FILE* ifp;/* index fp */ |