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/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Drizzle Client & Protocol Library
*
* Copyright (C) 2012 Drizzle Developer Group
* Copyright (C) 2008 Eric Day (eday@oddments.org)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* * The names of its contributors may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#pragma once
/**
* @file
* @brief Local Connection Declarations
*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup drizzle_local Local Connection Declarations
* @ingroup drizzle_con
* @{
*/
/**
* Clear address info, freeing structs if needed.
*
* @param[in] con Connection structure previously initialized with
* drizzle_create(), drizzle_clone(), or related functions.
*/
void drizzle_reset_addrinfo(drizzle_st *con);
/**
* Send raw command to server, possibly in parts.
*
* @param[in] con Connection structure previously initialized with
* drizzle_create(), drizzle_clone(), or related functions.
* @param[in] result Caller allocated structure, or NULL to allocate one.
* @param[in] command Command to run on server.
* @param[in] data Data to send along with the command.
* @param[in] size Size of the current chunk of data being sent.
* @param[in] total Total size of all data being sent for command.
* @param[out] ret_ptr Standard drizzle return value.
* @return On success, a pointer to the (possibly allocated) structure. On
* failure this will be NULL.
*/
drizzle_result_st *drizzle_command_write(drizzle_st *con,
drizzle_result_st *result,
drizzle_command_t command,
const void *data, size_t size,
size_t total,
drizzle_return_t *ret_ptr);
/**
* Set TCP host and port for a connection.
*
* @param[in] con Connection structure previously initialized with
* drizzle_create(), drizzle_clone(), or related functions.
* @param[in] host Host to use for this connection, NULL for default value.
* @param[in] port Port to use for this connection, 0 for default value.
*/
void drizzle_set_tcp(drizzle_st *con, const char *host, in_port_t port);
/**
* Get unix domain socket for a connection.
*
* @param[in] con Connection structure previously initialized with
* drizzle_create(), drizzle_clone(), or related functions.
* @return Unix domain socket set for this connection, NULL if not set.
*/
const char *drizzle_uds(const drizzle_st *con);
/**
* Set username and password for a connection.
*
* @param[in] con Connection structure previously initialized with
* drizzle_create(), drizzle_clone(), or related functions.
* @param[in] user Username to use for this connection.
* @param[in] password Password to use for this connection.
*/
void drizzle_set_auth(drizzle_st *con, const char *user, const char *password);
/**
* Set database for a connection.
*
* @param[in] con Connection structure previously initialized with
* drizzle_create(), drizzle_clone(), or related functions.
* @param[in] db Database to use with this connection.
*/
void drizzle_set_db(drizzle_st *con, const char *db);
/**
* Check if state stack is empty.
*
* @param[in] con Connection structure previously initialized with
* drizzle_create(), drizzle_clone(), or related functions.
* @return True if empty, false if something is on the stack.
*/
static inline bool drizzle_state_none(drizzle_st *con)
{
if (con == NULL)
{
return false;
}
return con->state_current == 0;
}
/**
* Push a function onto the stack.
*
* @param[in] con Connection structure previously initialized with
* drizzle_create(), drizzle_clone(), or related functions.
* @param[in] function Function to push.
*/
static inline void drizzle_state_push(drizzle_st *con,
drizzle_state_fn *function)
{
/* The maximum stack depth can be determined at compile time, so bump this
constant if needed to avoid the dynamic memory management. */
assert(con->state_current < DRIZZLE_STATE_STACK_SIZE);
con->state_stack[con->state_current]= function;
con->state_current++;
}
/**
* Pop a function off of the stack.
*
* @param[in] con Connection structure previously initialized with
* drizzle_create(), drizzle_clone(), or related functions.
*/
static inline void drizzle_state_pop(drizzle_st *con)
{
con->state_current--;
}
/**
* Reset the stack so it is empty.
*
* @param[in] con Connection structure previously initialized with
* drizzle_create(), drizzle_clone(), or related functions.
*/
static inline void drizzle_state_reset(drizzle_st *con)
{
con->state_current= 0;
}
/** @} */
#ifdef __cplusplus
}
#endif
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