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/* Gearman server and library
* Copyright (C) 2008 Brian Aker, Eric Day
* All rights reserved.
*
* Use and distribution licensed under the BSD license. See
* the COPYING file in the parent directory for full text.
*/
/**
* @file
* @brief Server connection definitions
*/
#include "common.h"
/*
* Public definitions
*/
gearman_server_packet_st *
gearman_server_packet_create(gearman_server_thread_st *thread,
bool from_thread)
{
gearman_server_packet_st *server_packet= NULL;
if (from_thread && thread->server->flags.threaded)
{
if (thread->free_packet_count > 0)
{
server_packet= thread->free_packet_list;
thread->free_packet_list= server_packet->next;
thread->free_packet_count--;
}
}
else
{
if (thread->server->free_packet_count > 0)
{
server_packet= thread->server->free_packet_list;
thread->server->free_packet_list= server_packet->next;
thread->server->free_packet_count--;
}
}
if (server_packet == NULL)
{
server_packet= malloc(sizeof(gearman_server_packet_st));
if (server_packet == NULL)
{
gearman_log_error(thread->gearman, "gearman_server_packet_create", "malloc");
return NULL;
}
}
server_packet->next= NULL;
return server_packet;
}
void gearman_server_packet_free(gearman_server_packet_st *packet,
gearman_server_thread_st *thread,
bool from_thread)
{
if (from_thread && thread->server->flags.threaded)
{
if (thread->free_packet_count < GEARMAN_MAX_FREE_SERVER_PACKET)
{
packet->next= thread->free_packet_list;
thread->free_packet_list= packet;
thread->free_packet_count++;
}
else
free(packet);
}
else
{
if (thread->server->free_packet_count < GEARMAN_MAX_FREE_SERVER_PACKET)
{
packet->next= thread->server->free_packet_list;
thread->server->free_packet_list= packet;
thread->server->free_packet_count++;
}
else
free(packet);
}
}
gearman_return_t gearman_server_io_packet_add(gearman_server_con_st *con,
bool take_data,
enum gearman_magic_t magic,
gearman_command_t command,
const void *arg, ...)
{
gearman_server_packet_st *server_packet;
va_list ap;
size_t arg_size;
gearman_return_t ret;
server_packet= gearman_server_packet_create(con->thread, false);
if (server_packet == NULL)
return GEARMAN_MEMORY_ALLOCATION_FAILURE;
if (gearman_packet_create(con->thread->gearman,
&(server_packet->packet)) == NULL)
{
gearman_server_packet_free(server_packet, con->thread, false);
return GEARMAN_MEMORY_ALLOCATION_FAILURE;
}
server_packet->packet.magic= magic;
server_packet->packet.command= command;
va_start(ap, arg);
while (arg != NULL)
{
arg_size = va_arg(ap, size_t);
ret= gearman_packet_create_arg(&(server_packet->packet), arg, arg_size);
if (ret != GEARMAN_SUCCESS)
{
va_end(ap);
gearman_packet_free(&(server_packet->packet));
gearman_server_packet_free(server_packet, con->thread, false);
return ret;
}
arg = va_arg(ap, void *);
}
va_end(ap);
ret= gearman_packet_pack_header(&(server_packet->packet));
if (ret != GEARMAN_SUCCESS)
{
gearman_packet_free(&(server_packet->packet));
gearman_server_packet_free(server_packet, con->thread, false);
return ret;
}
if (take_data)
server_packet->packet.options.free_data= true;
(void) pthread_mutex_lock(&con->thread->lock);
GEARMAN_FIFO_ADD(con->io_packet, server_packet,);
(void) pthread_mutex_unlock(&con->thread->lock);
gearman_server_con_io_add(con);
return GEARMAN_SUCCESS;
}
void gearman_server_io_packet_remove(gearman_server_con_st *con)
{
gearman_server_packet_st *server_packet= con->io_packet_list;
gearman_packet_free(&(server_packet->packet));
(void) pthread_mutex_lock(&con->thread->lock);
GEARMAN_FIFO_DEL(con->io_packet, server_packet,);
(void) pthread_mutex_unlock(&con->thread->lock);
gearman_server_packet_free(server_packet, con->thread, true);
}
void gearman_server_proc_packet_add(gearman_server_con_st *con,
gearman_server_packet_st *packet)
{
(void) pthread_mutex_lock(&con->thread->lock);
GEARMAN_FIFO_ADD(con->proc_packet, packet,);
(void) pthread_mutex_unlock(&con->thread->lock);
gearman_server_con_proc_add(con);
}
gearman_server_packet_st *
gearman_server_proc_packet_remove(gearman_server_con_st *con)
{
gearman_server_packet_st *server_packet= con->proc_packet_list;
if (server_packet == NULL)
return NULL;
(void) pthread_mutex_lock(&con->thread->lock);
GEARMAN_FIFO_DEL(con->proc_packet, server_packet,);
(void) pthread_mutex_unlock(&con->thread->lock);
return server_packet;
}
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