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/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Gearmand client and server library.
*
* Copyright (C) 2011 Data Differential, http://datadifferential.com/
* 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
GEARMAN_LOCAL
gearman_packet_st *gearman_packet_create(gearman_universal_st&, gearman_packet_st *packet);
GEARMAN_LOCAL
void gearman_packet_free(gearman_packet_st*);
/**
* Initialize a packet with all arguments. For example:
*
* void *args[3];
* size_t args_suze[3];
*
* args[0]= function_name;
* args_size[0]= strlen(function_name) + 1;
* args[1]= unique_string;
* args_size[1]= strlen(unique_string,) + 1;
* args[2]= workload;
* args_size[2]= workload_size;
*
* ret= gearman_packet_create_args(gearman, packet,
* GEARMAN_MAGIC_REQUEST,
* GEARMAN_COMMAND_SUBMIT_JOB,
* args, args_size, 3);
*/
GEARMAN_LOCAL
gearman_return_t gearman_packet_create_args(gearman_universal_st&,
gearman_packet_st& packet,
enum gearman_magic_t magic,
gearman_command_t command,
const void *args[],
const size_t args_size[],
size_t args_count);
/**
* Give allocated memory to packet. After this, the library will be responsible
* for freeing the workload memory when the packet is destroyed.
*/
GEARMAN_LOCAL
void gearman_packet_give_data(gearman_packet_st& packet,
const void *data, size_t data_size);
/**
* Take allocated data from packet. After this, the caller is responsible for
* free()ing the memory.
*/
GEARMAN_LOCAL
void *gearman_packet_take_data(gearman_packet_st& packet, size_t *data_size);
/**
* Pack packet into output buffer.
*/
GEARMAN_LOCAL
size_t gearman_packet_pack(const gearman_packet_st& packet,
void *data, size_t data_size,
gearman_return_t &ret);
/**
* Unpack packet from input data.
*/
GEARMAN_LOCAL
size_t gearman_packet_unpack(gearman_packet_st& packet,
const void *data, size_t data_size,
gearman_return_t &ret);
/**
* Add an argument to a packet.
*/
GEARMAN_LOCAL
gearman_return_t gearman_packet_create_arg(gearman_packet_st& packet,
const void *arg, size_t arg_size);
/**
* Pack header.
*/
GEARMAN_LOCAL
gearman_return_t gearman_packet_pack_header(gearman_packet_st *packet);
/**
* Unpack header.
*/
GEARMAN_LOCAL
gearman_return_t gearman_packet_unpack_header(gearman_packet_st *packet);
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