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/* Copyright (C) 2009 Sun Microsystems, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
#include <config.h>
#include "gman_do.h"
#include "function_map.h"
using namespace std;
using namespace drizzled;
extern "C"
{
static void *_do_malloc(size_t size, void *arg)
{
Item_func_gman_do *item= (Item_func_gman_do *)arg;
return item->realloc(size);
}
}
Item_func_gman_do::~Item_func_gman_do()
{
if (options & GMAN_DO_OPTIONS_CLIENT)
gearman_client_free(&client);
}
String *Item_func_gman_do::val_str(String *str)
{
String *function;
String *res;
const char *unique;
const char *workload;
size_t workload_size;
size_t result_size;
gearman_return_t ret;
char job_handle[GEARMAN_JOB_HANDLE_SIZE];
if (arg_count < 1 || arg_count > 3 || !(function= args[0]->val_str(str)))
{
null_value= 1;
return NULL;
}
if (arg_count > 1 && (res= args[1]->val_str(str)) != NULL)
{
workload= res->ptr();
workload_size= res->length();
}
else
{
workload= NULL;
workload_size= 0;
}
if (arg_count == 3 && (res= args[2]->val_str(str)) != NULL)
unique= res->ptr();
else
unique= NULL;
if (!(options & GMAN_DO_OPTIONS_CLIENT))
{
if (!GetFunctionMap().get(string(function->ptr()), &client))
{
null_value= 1;
return NULL;
}
gearman_client_set_workload_malloc_fn(&client, _do_malloc, this);
options= (gman_do_options_t)(options | GMAN_DO_OPTIONS_CLIENT);
}
if (options & GMAN_DO_OPTIONS_BACKGROUND)
{
if (options & GMAN_DO_OPTIONS_HIGH)
{
ret= gearman_client_do_high_background(&client, function->ptr(), unique,
workload, workload_size,
job_handle);
}
else if (options & GMAN_DO_OPTIONS_LOW)
{
ret= gearman_client_do_low_background(&client, function->ptr(), unique,
workload, workload_size,
job_handle);
}
else
{
ret= gearman_client_do_background(&client, function->ptr(), unique,
workload, workload_size, job_handle);
}
if (ret == GEARMAN_SUCCESS)
{
result_size= strlen(job_handle);
buffer.realloc(result_size);
buffer.length(result_size);
memcpy(buffer.ptr(), job_handle, result_size);
}
}
else
{
if (options & GMAN_DO_OPTIONS_HIGH)
{
(void) gearman_client_do_high(&client, function->ptr(), unique, workload,
workload_size, &result_size, &ret);
}
else if (options & GMAN_DO_OPTIONS_LOW)
{
(void) gearman_client_do_low(&client, function->ptr(), unique, workload,
workload_size, &result_size, &ret);
}
else
{
(void) gearman_client_do(&client, function->ptr(), unique, workload,
workload_size, &result_size, &ret);
}
}
if (ret != GEARMAN_SUCCESS)
{
null_value= 1;
return NULL;
}
null_value= 0;
return &buffer;
}
void *Item_func_gman_do::realloc(size_t size)
{
buffer.realloc(size);
buffer.length(size);
return buffer.ptr();
}
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