/*
- * File: ms_task.c
- * Author: Mingqiang Zhuang
- *
- * Created on February 10, 2009
- *
- * (c) Copyright 2009, Schooner Information Technology, Inc.
- * http://www.schoonerinfotech.com/
- *
- */
+ +--------------------------------------------------------------------+
+ | libmemcached - C/C++ Client Library for memcached |
+ +--------------------------------------------------------------------+
+ | Redistribution and use in source and binary forms, with or without |
+ | modification, are permitted under the terms of the BSD license. |
+ | You should have received a copy of the license in a bundled file |
+ | named LICENSE; in case you did not receive a copy you can review |
+ | the terms online at: https://opensource.org/licenses/BSD-3-Clause |
+ +--------------------------------------------------------------------+
+ | Copyright (c) 2006-2014 Brian Aker https://datadifferential.com/ |
+ | Copyright (c) 2020 Michael Wallner <mike@php.net> |
+ +--------------------------------------------------------------------+
+*/
#include "mem_config.h"
#if defined(HAVE_SYS_TIME_H)
-# include <sys/time.h>
+# include <sys/time.h>
#endif
#if defined(HAVE_TIME_H)
-# include <time.h>
+# include <time.h>
#endif
#include "ms_thread.h"
#include "ms_atomic.h"
/* command distribution adjustment cycle */
-#define CMD_DISTR_ADJUST_CYCLE 1000
-#define DISADJUST_FACTOR 0.03 /**
- * In one adjustment cycle, if undo set or get
- * operations proportion is more than 3% , means
- * there are too many new item or need more new
- * item in the window. This factor shows it.
- */
+#define CMD_DISTR_ADJUST_CYCLE 1000
+#define DISADJUST_FACTOR \
+ 0.03 /** \
+ * In one adjustment cycle, if undo set or get \
+ * operations proportion is more than 3% , means \
+ * there are too many new item or need more new \
+ * item in the window. This factor shows it. \
+ */
/* get item from task window */
static ms_task_item_t *ms_get_cur_opt_item(ms_conn_t *c);
static ms_task_item_t *ms_get_next_set_item(ms_conn_t *c);
static ms_task_item_t *ms_get_random_overwrite_item(ms_conn_t *c);
-
/* select next operation to do */
static void ms_select_opt(ms_conn_t *c, ms_task_t *task);
-
/* set and get speed estimate for controlling and adjustment */
static bool ms_is_set_too_fast(ms_task_t *task);
static bool ms_is_get_too_fast(ms_task_t *task);
static void ms_kick_out_item(ms_task_item_t *item);
-
/* miss rate adjustment */
static bool ms_need_overwrite_item(ms_task_t *task);
static bool ms_adjust_opt(ms_conn_t *c, ms_task_t *task);
-
/* deal with data verification initialization */
static void ms_task_data_verify_init(ms_task_t *task);
static void ms_task_expire_verify_init(ms_task_t *task);
-
/* select a new task to do */
static ms_task_t *ms_get_task(ms_conn_t *c, bool warmup);
-
/* run the selected task */
static void ms_update_set_result(ms_conn_t *c, ms_task_item_t *item);
static void ms_update_stat_result(ms_conn_t *c);
static void ms_warmup_server(ms_conn_t *c);
static int ms_run_getset_task(ms_conn_t *c);
-
/**
* used to get the current operation item(object)
*
*
* @return ms_task_item_t*, current operating item
*/
-static ms_task_item_t *ms_get_cur_opt_item(ms_conn_t *c)
-{
+static ms_task_item_t *ms_get_cur_opt_item(ms_conn_t *c) {
return c->curr_task.item;
}
-
/**
* used to get the next item to do get operation
*
* @return ms_task_item_t*, the pointer of the next item to do
* get operation
*/
-static ms_task_item_t *ms_get_next_get_item(ms_conn_t *c)
-{
- ms_task_item_t *item= NULL;
+static ms_task_item_t *ms_get_next_get_item(ms_conn_t *c) {
+ ms_task_item_t *item = NULL;
- if (c->set_cursor <= 0)
- {
+ if (c->set_cursor <= 0) {
/* the first item in the window */
- item= &c->item_win[0];
- }
- else if (c->set_cursor > 0 && c->set_cursor < (uint32_t)c->win_size)
- {
+ item = &c->item_win[0];
+ } else if (c->set_cursor > 0 && c->set_cursor < (uint32_t) c->win_size) {
/* random get one item set before */
- item= &c->item_win[random() % (int64_t)c->set_cursor];
- }
- else
- {
+ item = &c->item_win[random() % (int64_t) c->set_cursor];
+ } else {
/* random get one item from the window */
- item= &c->item_win[random() % c->win_size];
+ item = &c->item_win[random() % c->win_size];
}
return item;
} /* ms_get_next_get_item */
-
/**
* used to get the next item to do set operation
*
* @return ms_task_item_t*, the pointer of the next item to do
* set operation
*/
-static ms_task_item_t *ms_get_next_set_item(ms_conn_t *c)
-{
+static ms_task_item_t *ms_get_next_set_item(ms_conn_t *c) {
/**
* when a set command successes, the cursor will plus 1. If set
* fails, the cursor doesn't change. it isn't necessary to
* increase the cursor here.
*/
- return &c->item_win[(int64_t)c->set_cursor % c->win_size];
+ return &c->item_win[(int64_t) c->set_cursor % c->win_size];
}
-
/**
* If we need do overwrite, we could select a item set before.
* This function is used to get a item set before to do
* @return ms_task_item_t*, the pointer of the previous item of
* set operation
*/
-static ms_task_item_t *ms_get_random_overwrite_item(ms_conn_t *c)
-{
- return ms_get_next_get_item(c);
+static ms_task_item_t *ms_get_random_overwrite_item(ms_conn_t *c) {
+ return ms_get_next_get_item(c);
} /* ms_get_random_overwrite_item */
/**
* @param c, pointer of the concurrency
* @param task, pointer of current task in the concurrency
*/
-static void ms_select_opt(ms_conn_t *c, ms_task_t *task)
-{
- double get_prop= ms_setting.cmd_distr[CMD_GET].cmd_prop;
- double set_prop= ms_setting.cmd_distr[CMD_SET].cmd_prop;
+static void ms_select_opt(ms_conn_t *c, ms_task_t *task) {
+ double get_prop = ms_setting.cmd_distr[CMD_GET].cmd_prop;
+ double set_prop = ms_setting.cmd_distr[CMD_SET].cmd_prop;
/* update cycle operation number if necessary */
- if ((task->cycle_undo_get == 0) || (task->cycle_undo_set == 0))
- {
- task->cycle_undo_get+= (int)(CMD_DISTR_ADJUST_CYCLE * get_prop);
- task->cycle_undo_set+= (int)(CMD_DISTR_ADJUST_CYCLE * set_prop);
+ if ((task->cycle_undo_get == 0) || (task->cycle_undo_set == 0)) {
+ task->cycle_undo_get += (int) (CMD_DISTR_ADJUST_CYCLE * get_prop);
+ task->cycle_undo_set += (int) (CMD_DISTR_ADJUST_CYCLE * set_prop);
}
/**
* to do get operation.
*/
if ((set_prop > PROP_ERROR)
- && ((double)task->get_opt * set_prop >= (double)task->set_opt
- * get_prop))
- {
- task->cmd= CMD_SET;
- task->item= ms_get_next_set_item(c);
- }
- else
+ && ((double) task->get_opt * set_prop >= (double) task->set_opt * get_prop))
{
- task->cmd= CMD_GET;
- task->item= ms_get_next_get_item(c);
+ task->cmd = CMD_SET;
+ task->item = ms_get_next_set_item(c);
+ } else {
+ task->cmd = CMD_GET;
+ task->item = ms_get_next_get_item(c);
}
} /* ms_select_opt */
-
/**
* used to judge whether the number of get operations done is
* more than expected number of get operations to do right now.
*
* @return bool, if get too fast, return true, else return false
*/
-static bool ms_is_get_too_fast(ms_task_t *task)
-{
- double get_prop= ms_setting.cmd_distr[CMD_GET].cmd_prop;
- double set_prop= ms_setting.cmd_distr[CMD_SET].cmd_prop;
+static bool ms_is_get_too_fast(ms_task_t *task) {
+ double get_prop = ms_setting.cmd_distr[CMD_GET].cmd_prop;
+ double set_prop = ms_setting.cmd_distr[CMD_SET].cmd_prop;
/* no get operation */
- if (get_prop < PROP_ERROR)
- {
+ if (get_prop < PROP_ERROR) {
return false;
}
- int max_undo_set= (int)(set_prop / get_prop * (1.0 + DISADJUST_FACTOR))
- * task->cycle_undo_get;
+ int max_undo_set = (int) (set_prop / get_prop * (1.0 + DISADJUST_FACTOR)) * task->cycle_undo_get;
- if (((double)task->get_opt * set_prop > (double)task->set_opt * get_prop)
+ if (((double) task->get_opt * set_prop > (double) task->set_opt * get_prop)
&& (task->cycle_undo_set > max_undo_set))
{
return true;
return false;
} /* ms_is_get_too_fast */
-
/**
* used to judge whether the number of set operations done is
* more than expected number of set operations to do right now.
*
* @return bool, if set too fast, return true, else return false
*/
-static bool ms_is_set_too_fast(ms_task_t *task)
-{
- double get_prop= ms_setting.cmd_distr[CMD_GET].cmd_prop;
- double set_prop= ms_setting.cmd_distr[CMD_SET].cmd_prop;
+static bool ms_is_set_too_fast(ms_task_t *task) {
+ double get_prop = ms_setting.cmd_distr[CMD_GET].cmd_prop;
+ double set_prop = ms_setting.cmd_distr[CMD_SET].cmd_prop;
/* no set operation */
- if (set_prop < PROP_ERROR)
- {
+ if (set_prop < PROP_ERROR) {
return false;
}
/* If it does set operation too fast, skip some */
- int max_undo_get= (int)((get_prop / set_prop * (1.0 + DISADJUST_FACTOR))
- * (double)task->cycle_undo_set);
+ int max_undo_get =
+ (int) ((get_prop / set_prop * (1.0 + DISADJUST_FACTOR)) * (double) task->cycle_undo_set);
- if (((double)task->get_opt * set_prop < (double)task->set_opt * get_prop)
+ if (((double) task->get_opt * set_prop < (double) task->set_opt * get_prop)
&& (task->cycle_undo_get > max_undo_get))
{
return true;
return false;
} /* ms_is_set_too_fast */
-
/**
* kick out the old item in the window, and add a new item to
* overwrite the old item. When we don't want to do overwrite
* @param item, pointer of task item which includes the object
* information
*/
-static void ms_kick_out_item(ms_task_item_t *item)
-{
+static void ms_kick_out_item(ms_task_item_t *item) {
/* allocate a new item */
- item->key_prefix= ms_get_key_prefix();
+ item->key_prefix = ms_get_key_prefix();
item->key_suffix_offset++;
- item->value_offset= INVALID_OFFSET; /* new item use invalid value offset */
- item->client_time= 0;
+ item->value_offset = INVALID_OFFSET; /* new item use invalid value offset */
+ item->client_time = 0;
} /* ms_kick_out_item */
-
/**
* used to judge whether we need overwrite object based on the
* options user specified
* @return bool, if need overwrite, return true, else return
* false
*/
-static bool ms_need_overwrite_item(ms_task_t *task)
-{
- ms_task_item_t *item= task->item;
+static bool ms_need_overwrite_item(ms_task_t *task) {
+ ms_task_item_t *item = task->item;
- assert(item != NULL);
+ assert(item);
assert(task->cmd == CMD_SET);
/**
* according to data overwrite percent to determine if do data
* overwrite.
*/
- if (task->overwrite_set < (double)task->set_opt
- * ms_setting.overwrite_percent)
- {
+ if (task->overwrite_set < (double) task->set_opt * ms_setting.overwrite_percent) {
return true;
}
return false;
} /* ms_need_overwirte_item */
-
/**
* used to adjust operation. the function must be called after
* select operation. the function change get operation to set
*
* @return bool, if success, return true, else return false
*/
-static bool ms_adjust_opt(ms_conn_t *c, ms_task_t *task)
-{
- ms_task_item_t *item= task->item;
+static bool ms_adjust_opt(ms_conn_t *c, ms_task_t *task) {
+ ms_task_item_t *item = task->item;
- assert(item != NULL);
+ assert(item);
- if (task->cmd == CMD_SET)
- {
+ if (task->cmd == CMD_SET) {
/* If did set operation too fast, skip some */
- if (ms_is_set_too_fast(task))
- {
+ if (ms_is_set_too_fast(task)) {
/* get the item instead */
- if (item->value_offset != INVALID_OFFSET)
- {
- task->cmd= CMD_GET;
+ if (item->value_offset != INVALID_OFFSET) {
+ task->cmd = CMD_GET;
return true;
}
}
/* If the current item is not a new item, kick it out */
- if (item->value_offset != INVALID_OFFSET)
- {
- if (ms_need_overwrite_item(task))
- {
+ if (item->value_offset != INVALID_OFFSET) {
+ if (ms_need_overwrite_item(task)) {
/* overwrite */
task->overwrite_set++;
- }
- else
- {
+ } else {
/* kick out the current item to do set operation */
ms_kick_out_item(item);
}
- }
- else /* it's a new item */
- {
+ } else /* it's a new item */ {
/* need overwrite */
- if (ms_need_overwrite_item(task))
- {
+ if (ms_need_overwrite_item(task)) {
/**
* overwrite not use the item with current set cursor, revert
* set cursor.
*/
c->set_cursor--;
- item= ms_get_random_overwrite_item(c);
- if (item->value_offset != INVALID_OFFSET)
- {
- task->item= item;
+ item = ms_get_random_overwrite_item(c);
+ if (item->value_offset != INVALID_OFFSET) {
+ task->item = item;
task->overwrite_set++;
- }
- else /* item is a new item */
- {
+ } else /* item is a new item */ {
/* select the item to run, and cancel overwrite */
- task->item= item;
+ task->item = item;
}
}
}
- task->cmd= CMD_SET;
+ task->cmd = CMD_SET;
return true;
- }
- else
- {
- if (item->value_offset == INVALID_OFFSET)
- {
- task->cmd= CMD_SET;
+ } else {
+ if (item->value_offset == INVALID_OFFSET) {
+ task->cmd = CMD_SET;
return true;
}
* If It does get operation too fast, it will change the
* operation to set.
*/
- if (ms_is_get_too_fast(task))
- {
+ if (ms_is_get_too_fast(task)) {
/* don't kick out the first item in the window */
- if (! ms_is_set_too_fast(task))
- {
+ if (!ms_is_set_too_fast(task)) {
ms_kick_out_item(item);
- task->cmd= CMD_SET;
+ task->cmd = CMD_SET;
return true;
- }
- else
- {
+ } else {
return false;
}
}
assert(item->value_offset != INVALID_OFFSET);
- task->cmd= CMD_GET;
+ task->cmd = CMD_GET;
return true;
}
} /* ms_adjust_opt */
-
/**
* used to initialize the task which need verify data.
*
* @param task, pointer of current task in the concurrency
*/
-static void ms_task_data_verify_init(ms_task_t *task)
-{
- ms_task_item_t *item= task->item;
+static void ms_task_data_verify_init(ms_task_t *task) {
+ ms_task_item_t *item = task->item;
- assert(item != NULL);
+ assert(item);
assert(task->cmd == CMD_GET);
/**
* according to data verification percent to determine if do
* data verification.
*/
- if (task->verified_get < (double)task->get_opt
- * ms_setting.verify_percent)
- {
+ if (task->verified_get < (double) task->get_opt * ms_setting.verify_percent) {
/**
* currently it doesn't do verify, just increase the counter,
* and do verification next proper get command
*/
- if ((task->item->value_offset != INVALID_OFFSET)
- && (item->exp_time == 0))
- {
- task->verify= true;
- task->finish_verify= false;
+ if ((task->item->value_offset != INVALID_OFFSET) && (item->exp_time == 0)) {
+ task->verify = true;
+ task->finish_verify = false;
task->verified_get++;
}
}
} /* ms_task_data_verify_init */
-
/**
* used to initialize the task which need verify expire time.
*
* @param task, pointer of current task in the concurrency
*/
-static void ms_task_expire_verify_init(ms_task_t *task)
-{
- ms_task_item_t *item= task->item;
+static void ms_task_expire_verify_init(ms_task_t *task) {
+ ms_task_item_t *item = task->item;
- assert(item != NULL);
+ assert(item);
assert(task->cmd == CMD_GET);
assert(item->exp_time > 0);
- task->verify= true;
- task->finish_verify= false;
+ task->verify = true;
+ task->finish_verify = false;
} /* ms_task_expire_verify_init */
-
/**
* used to get one task, the function initializes the task
* structure.
* @return ms_task_t*, pointer of current task in the
* concurrency
*/
-static ms_task_t *ms_get_task(ms_conn_t *c, bool warmup)
-{
- ms_task_t *task= &c->curr_task;
+static ms_task_t *ms_get_task(ms_conn_t *c, bool warmup) {
+ ms_task_t *task = &c->curr_task;
- while (1)
- {
- task->verify= false;
- task->finish_verify= true;
- task->get_miss= true;
+ while (1) {
+ task->verify = false;
+ task->finish_verify = true;
+ task->get_miss = true;
- if (warmup)
- {
- task->cmd= CMD_SET;
- task->item= ms_get_next_set_item(c);
+ if (warmup) {
+ task->cmd = CMD_SET;
+ task->item = ms_get_next_set_item(c);
return task;
}
/* according to operation distribution to choose doing which operation */
ms_select_opt(c, task);
- if (! ms_adjust_opt(c, task))
- {
+ if (!ms_adjust_opt(c, task)) {
continue;
}
- if ((ms_setting.verify_percent > 0) && (task->cmd == CMD_GET))
- {
+ if ((ms_setting.verify_percent > 0) && (task->cmd == CMD_GET)) {
ms_task_data_verify_init(task);
}
- if ((ms_setting.exp_ver_per > 0) && (task->cmd == CMD_GET)
- && (task->item->exp_time > 0))
- {
+ if ((ms_setting.exp_ver_per > 0) && (task->cmd == CMD_GET) && (task->item->exp_time > 0)) {
ms_task_expire_verify_init(task);
}
* Only update get and delete counter, set counter will be
* updated after set operation successes.
*/
- if (task->cmd == CMD_GET)
- {
+ if (task->cmd == CMD_GET) {
task->get_opt++;
task->cycle_undo_get--;
}
return task;
} /* ms_get_task */
-
/**
* send a signal to the main monitor thread
*
* @param sync_lock, pointer of the lock
*/
-static void ms_send_signal(ms_sync_lock_t *sync_lock)
-{
+static void ms_send_signal(ms_sync_lock_t *sync_lock) {
pthread_mutex_lock(&sync_lock->lock);
sync_lock->count++;
pthread_cond_signal(&sync_lock->cond);
pthread_mutex_unlock(&sync_lock->lock);
} /* ms_send_signal */
-
/**
* If user only want to do get operation, but there is no object
* in server , so we use this function to warmup the server, and
*
* @param c, pointer of the concurrency
*/
-static void ms_warmup_server(ms_conn_t *c)
-{
+static void ms_warmup_server(ms_conn_t *c) {
ms_task_t *task;
ms_task_item_t *item;
* Extra one loop to get the last command returned state.
* Normally it gets the previous command returned state.
*/
- if ((c->remain_warmup_num >= 0)
- && (c->remain_warmup_num != c->warmup_num))
- {
- item= ms_get_cur_opt_item(c);
+ if ((c->remain_warmup_num >= 0) && (c->remain_warmup_num != c->warmup_num)) {
+ item = ms_get_cur_opt_item(c);
/* only update the set command result state for data verification */
- if ((c->precmd.cmd == CMD_SET) && (c->precmd.retstat == MCD_STORED))
- {
- item->value_offset= item->key_suffix_offset;
+ if ((c->precmd.cmd == CMD_SET) && (c->precmd.retstat == MCD_STORED)) {
+ item->value_offset = item->key_suffix_offset;
/* set success, update counter */
c->set_cursor++;
- }
- else if (c->precmd.cmd == CMD_SET && c->precmd.retstat != MCD_STORED)
- {
+ } else if (c->precmd.cmd == CMD_SET && c->precmd.retstat != MCD_STORED) {
printf("key: %" PRIx64 " didn't set success\n", item->key_prefix);
}
}
/* the last time don't run a task */
- if (c->remain_warmup_num-- > 0)
- {
+ if (c->remain_warmup_num-- > 0) {
/* operate next task item */
- task= ms_get_task(c, true);
- item= task->item;
+ task = ms_get_task(c, true);
+ item = task->item;
ms_mcd_set(c, item);
}
* complete. Then all connects can start do task at the same
* time.
*/
- if (c->remain_warmup_num == -1)
- {
+ if (c->remain_warmup_num == -1) {
ms_send_signal(&ms_global.warmup_lock);
- c->remain_warmup_num--; /* never run the if branch */
+ c->remain_warmup_num--; /* never run the if branch */
}
} /* ms_warmup_server */
-
/**
* dispatch single get and set task
*
* @param c, pointer of the concurrency
*/
-static void ms_single_getset_task_sch(ms_conn_t *c)
-{
+static void ms_single_getset_task_sch(ms_conn_t *c) {
ms_task_t *task;
ms_task_item_t *item;
/* the last time don't run a task */
- if (c->remain_exec_num-- > 0)
- {
- task= ms_get_task(c, false);
- item= task->item;
- if (task->cmd == CMD_SET)
- {
+ if (c->remain_exec_num-- > 0) {
+ task = ms_get_task(c, false);
+ item = task->item;
+ if (task->cmd == CMD_SET) {
ms_mcd_set(c, item);
- }
- else if (task->cmd == CMD_GET)
- {
+ } else if (task->cmd == CMD_GET) {
assert(task->cmd == CMD_GET);
ms_mcd_get(c, item);
}
}
} /* ms_single_getset_task_sch */
-
/**
* dispatch multi-get and set task
*
* @param c, pointer of the concurrency
*/
-static void ms_multi_getset_task_sch(ms_conn_t *c)
-{
+static void ms_multi_getset_task_sch(ms_conn_t *c) {
ms_task_t *task;
ms_mlget_task_item_t *mlget_item;
- while (1)
- {
- if (c->remain_exec_num-- > 0)
- {
- task= ms_get_task(c, false);
- if (task->cmd == CMD_SET) /* just do it */
- {
+ while (1) {
+ if (c->remain_exec_num-- > 0) {
+ task = ms_get_task(c, false);
+ if (task->cmd == CMD_SET) /* just do it */ {
ms_mcd_set(c, task->item);
break;
- }
- else
- {
+ } else {
assert(task->cmd == CMD_GET);
- mlget_item= &c->mlget_task.mlget_item[c->mlget_task.mlget_num];
- mlget_item->item= task->item;
- mlget_item->verify= task->verify;
- mlget_item->finish_verify= task->finish_verify;
- mlget_item->get_miss= task->get_miss;
+ mlget_item = &c->mlget_task.mlget_item[c->mlget_task.mlget_num];
+ mlget_item->item = task->item;
+ mlget_item->verify = task->verify;
+ mlget_item->finish_verify = task->finish_verify;
+ mlget_item->get_miss = task->get_miss;
c->mlget_task.mlget_num++;
/* enough multi-get task items can be done */
break;
}
}
- }
- else
- {
- if ((c->remain_exec_num <= 0) && (c->mlget_task.mlget_num > 0))
- {
+ } else {
+ if ((c->remain_exec_num <= 0) && (c->mlget_task.mlget_num > 0)) {
ms_mcd_mlget(c);
}
break;
}
} /* ms_multi_getset_task_sch */
-
/**
* calculate the difference value of two time points
*
*
* @return uint64_t, the difference value between start_time and end_time in us
*/
-int64_t ms_time_diff(struct timeval *start_time, struct timeval *end_time)
-{
- int64_t endtime= end_time->tv_sec * 1000000 + end_time->tv_usec;
- int64_t starttime= start_time->tv_sec * 1000000 + start_time->tv_usec;
+int64_t ms_time_diff(struct timeval *start_time, struct timeval *end_time) {
+ int64_t endtime = end_time->tv_sec * 1000000 + end_time->tv_usec;
+ int64_t starttime = start_time->tv_sec * 1000000 + start_time->tv_usec;
assert(endtime >= starttime);
return endtime - starttime;
} /* ms_time_diff */
-
/**
* after get the response from server for multi-get, the
* function update the state of the task and do data verify if
*
* @param c, pointer of the concurrency
*/
-static void ms_update_multi_get_result(ms_conn_t *c)
-{
+static void ms_update_multi_get_result(ms_conn_t *c) {
ms_mlget_task_item_t *mlget_item;
ms_task_item_t *item;
- char *orignval= NULL;
- char *orignkey= NULL;
+ char *orignval = NULL;
+ char *orignkey = NULL;
- if (c == NULL)
- {
+ if (c == NULL) {
return;
}
- assert(c != NULL);
+ assert(c);
- for (int i= 0; i < c->mlget_task.mlget_num; i++)
- {
- mlget_item= &c->mlget_task.mlget_item[i];
- item= mlget_item->item;
- orignval= &ms_setting.char_block[item->value_offset];
- orignkey= &ms_setting.char_block[item->key_suffix_offset];
+ for (int i = 0; i < c->mlget_task.mlget_num; i++) {
+ mlget_item = &c->mlget_task.mlget_item[i];
+ item = mlget_item->item;
+ orignval = &ms_setting.char_block[item->value_offset];
+ orignkey = &ms_setting.char_block[item->key_suffix_offset];
/* update get miss counter */
- if (mlget_item->get_miss)
- {
+ if (mlget_item->get_miss) {
atomic_add_size(&ms_stats.get_misses, 1);
}
/* get nothing from server for this task item */
- if (mlget_item->verify && ! mlget_item->finish_verify)
- {
+ if (mlget_item->verify && !mlget_item->finish_verify) {
/* verify expire time if necessary */
- if (item->exp_time > 0)
- {
+ if (item->exp_time > 0) {
struct timeval curr_time;
gettimeofday(&curr_time, NULL);
/* object doesn't expire but can't get it now */
- if (curr_time.tv_sec - item->client_time
- < item->exp_time - EXPIRE_TIME_ERROR)
- {
+ if (curr_time.tv_sec - item->client_time < item->exp_time - EXPIRE_TIME_ERROR) {
atomic_add_size(&ms_stats.unexp_unget, 1);
- if (ms_setting.verbose)
- {
+ if (ms_setting.verbose) {
char set_time[64];
char cur_time[64];
- strftime(set_time, 64, "%Y-%m-%d %H:%M:%S",
- localtime(&item->client_time));
- strftime(cur_time, 64, "%Y-%m-%d %H:%M:%S",
- localtime(&curr_time.tv_sec));
+ strftime(set_time, 64, "%Y-%m-%d %H:%M:%S", localtime(&item->client_time));
+ strftime(cur_time, 64, "%Y-%m-%d %H:%M:%S", localtime(&curr_time.tv_sec));
fprintf(stderr,
"\n\t<%d expire time verification failed, object "
"doesn't expire but can't get it now\n"
"\texpected data len: %d\n"
"\texpected data: %.*s\n"
"\treceived data: \n",
- c->sfd,
- item->key_size,
- item->key_prefix,
- item->key_size - (int)KEY_PREFIX_SIZE,
- orignkey,
- set_time,
- cur_time,
- (int)(curr_time.tv_sec - item->client_time),
- item->exp_time,
- item->value_size,
- item->value_size,
- orignval);
+ c->sfd, item->key_size, item->key_prefix,
+ item->key_size - (int) KEY_PREFIX_SIZE, orignkey, set_time, cur_time,
+ (int) (curr_time.tv_sec - item->client_time), item->exp_time, item->value_size,
+ item->value_size, orignval);
fflush(stderr);
}
}
- }
- else
- {
+ } else {
atomic_add_size(&ms_stats.vef_miss, 1);
- if (ms_setting.verbose)
- {
- fprintf(stderr, "\n<%d data verification failed\n"
- "\tkey len: %d\n"
- "\tkey: %" PRIx64 " %.*s\n"
- "\texpected data len: %d\n"
- "\texpected data: %.*s\n"
- "\treceived data: \n",
- c->sfd, item->key_size, item->key_prefix,
- item->key_size - (int)KEY_PREFIX_SIZE,
+ if (ms_setting.verbose) {
+ fprintf(stderr,
+ "\n<%d data verification failed\n"
+ "\tkey len: %d\n"
+ "\tkey: %" PRIx64 " %.*s\n"
+ "\texpected data len: %d\n"
+ "\texpected data: %.*s\n"
+ "\treceived data: \n",
+ c->sfd, item->key_size, item->key_prefix, item->key_size - (int) KEY_PREFIX_SIZE,
orignkey, item->value_size, item->value_size, orignval);
fflush(stderr);
}
}
}
}
- c->mlget_task.mlget_num= 0;
- c->mlget_task.value_index= INVALID_OFFSET;
+ c->mlget_task.mlget_num = 0;
+ c->mlget_task.value_index = INVALID_OFFSET;
} /* ms_update_multi_get_result */
-
/**
* after get the response from server for single get, the
* function update the state of the task and do data verify if
* @param item, pointer of task item which includes the object
* information
*/
-static void ms_update_single_get_result(ms_conn_t *c, ms_task_item_t *item)
-{
- char *orignval= NULL;
- char *orignkey= NULL;
+static void ms_update_single_get_result(ms_conn_t *c, ms_task_item_t *item) {
+ char *orignval = NULL;
+ char *orignkey = NULL;
- if ((c == NULL) || (item == NULL))
- {
+ if ((c == NULL) || (item == NULL)) {
return;
}
- assert(c != NULL);
- assert(item != NULL);
+ assert(c);
+ assert(item);
- orignval= &ms_setting.char_block[item->value_offset];
- orignkey= &ms_setting.char_block[item->key_suffix_offset];
+ orignval = &ms_setting.char_block[item->value_offset];
+ orignkey = &ms_setting.char_block[item->key_suffix_offset];
/* update get miss counter */
- if ((c->precmd.cmd == CMD_GET) && c->curr_task.get_miss)
- {
+ if ((c->precmd.cmd == CMD_GET) && c->curr_task.get_miss) {
atomic_add_size(&ms_stats.get_misses, 1);
}
/* get nothing from server for this task item */
- if ((c->precmd.cmd == CMD_GET) && c->curr_task.verify
- && ! c->curr_task.finish_verify)
- {
+ if ((c->precmd.cmd == CMD_GET) && c->curr_task.verify && !c->curr_task.finish_verify) {
/* verify expire time if necessary */
- if (item->exp_time > 0)
- {
+ if (item->exp_time > 0) {
struct timeval curr_time;
gettimeofday(&curr_time, NULL);
/* object doesn't expire but can't get it now */
- if (curr_time.tv_sec - item->client_time
- < item->exp_time - EXPIRE_TIME_ERROR)
- {
+ if (curr_time.tv_sec - item->client_time < item->exp_time - EXPIRE_TIME_ERROR) {
atomic_add_size(&ms_stats.unexp_unget, 1);
- if (ms_setting.verbose)
- {
+ if (ms_setting.verbose) {
char set_time[64];
char cur_time[64];
- strftime(set_time, 64, "%Y-%m-%d %H:%M:%S",
- localtime(&item->client_time));
- strftime(cur_time, 64, "%Y-%m-%d %H:%M:%S",
- localtime(&curr_time.tv_sec));
+ strftime(set_time, 64, "%Y-%m-%d %H:%M:%S", localtime(&item->client_time));
+ strftime(cur_time, 64, "%Y-%m-%d %H:%M:%S", localtime(&curr_time.tv_sec));
fprintf(stderr,
"\n\t<%d expire time verification failed, object "
"doesn't expire but can't get it now\n"
"\texpected data len: %d\n"
"\texpected data: %.*s\n"
"\treceived data: \n",
- c->sfd,
- item->key_size,
- item->key_prefix,
- item->key_size - (int)KEY_PREFIX_SIZE,
- orignkey,
- set_time,
- cur_time,
- (int)(curr_time.tv_sec - item->client_time),
- item->exp_time,
- item->value_size,
- item->value_size,
- orignval);
+ c->sfd, item->key_size, item->key_prefix, item->key_size - (int) KEY_PREFIX_SIZE,
+ orignkey, set_time, cur_time, (int) (curr_time.tv_sec - item->client_time),
+ item->exp_time, item->value_size, item->value_size, orignval);
fflush(stderr);
}
}
- }
- else
- {
+ } else {
atomic_add_size(&ms_stats.vef_miss, 1);
- if (ms_setting.verbose)
- {
- fprintf(stderr, "\n<%d data verification failed\n"
- "\tkey len: %d\n"
- "\tkey: %" PRIx64 " %.*s\n"
- "\texpected data len: %d\n"
- "\texpected data: %.*s\n"
- "\treceived data: \n",
- c->sfd, item->key_size, item->key_prefix,
- item->key_size - (int)KEY_PREFIX_SIZE,
+ if (ms_setting.verbose) {
+ fprintf(stderr,
+ "\n<%d data verification failed\n"
+ "\tkey len: %d\n"
+ "\tkey: %" PRIx64 " %.*s\n"
+ "\texpected data len: %d\n"
+ "\texpected data: %.*s\n"
+ "\treceived data: \n",
+ c->sfd, item->key_size, item->key_prefix, item->key_size - (int) KEY_PREFIX_SIZE,
orignkey, item->value_size, item->value_size, orignval);
fflush(stderr);
}
}
} /* ms_update_single_get_result */
-
/**
* after get the response from server for set the function
* update the state of the task and do data verify if necessary.
* @param item, pointer of task item which includes the object
* information
*/
-static void ms_update_set_result(ms_conn_t *c, ms_task_item_t *item)
-{
- if ((c == NULL) || (item == NULL))
- {
+static void ms_update_set_result(ms_conn_t *c, ms_task_item_t *item) {
+ if ((c == NULL) || (item == NULL)) {
return;
}
- assert(c != NULL);
- assert(item != NULL);
+ assert(c);
+ assert(item);
- if (c->precmd.cmd == CMD_SET)
- {
- switch (c->precmd.retstat)
- {
+ if (c->precmd.cmd == CMD_SET) {
+ switch (c->precmd.retstat) {
case MCD_STORED:
- if (item->value_offset == INVALID_OFFSET)
- {
+ if (item->value_offset == INVALID_OFFSET) {
/* first set with the same offset of key suffix */
- item->value_offset= item->key_suffix_offset;
- }
- else
- {
+ item->value_offset = item->key_suffix_offset;
+ } else {
/* not first set, just increase the value offset */
- item->value_offset+= 1;
+ item->value_offset += 1;
}
/* set successes, update counter */
}
} /* ms_update_set_result */
-
/**
* update the response time result
*
* @param c, pointer of the concurrency
*/
-static void ms_update_stat_result(ms_conn_t *c)
-{
- bool get_miss= false;
+static void ms_update_stat_result(ms_conn_t *c) {
+ bool get_miss = false;
- if (c == NULL)
- {
+ if (c == NULL) {
return;
}
- assert(c != NULL);
+ assert(c);
gettimeofday(&c->end_time, NULL);
- uint64_t time_diff= (uint64_t)ms_time_diff(&c->start_time, &c->end_time);
+ uint64_t time_diff = (uint64_t) ms_time_diff(&c->start_time, &c->end_time);
pthread_mutex_lock(&ms_statistic.stat_mutex);
- switch (c->precmd.cmd)
- {
+ switch (c->precmd.cmd) {
case CMD_SET:
ms_record_event(&ms_statistic.set_stat, time_diff, false);
break;
case CMD_GET:
- if (c->curr_task.get_miss)
- {
- get_miss= true;
+ if (c->curr_task.get_miss) {
+ get_miss = true;
}
ms_record_event(&ms_statistic.get_stat, time_diff, get_miss);
break;
pthread_mutex_unlock(&ms_statistic.stat_mutex);
} /* ms_update_stat_result */
-
/**
* after get response from server for the current operation, and
* before doing the next operation, update the state of the
*
* @param c, pointer of the concurrency
*/
-static void ms_update_task_result(ms_conn_t *c)
-{
+static void ms_update_task_result(ms_conn_t *c) {
ms_task_item_t *item;
- if (c == NULL)
- {
+ if (c == NULL) {
return;
}
- assert(c != NULL);
+ assert(c);
- item= ms_get_cur_opt_item(c);
- if (item == NULL)
- {
+ item = ms_get_cur_opt_item(c);
+ if (item == NULL) {
return;
}
- assert(item != NULL);
+ assert(item);
ms_update_set_result(c, item);
- if ((ms_setting.stat_freq > 0)
- && ((c->precmd.cmd == CMD_SET) || (c->precmd.cmd == CMD_GET)))
- {
+ if ((ms_setting.stat_freq > 0) && ((c->precmd.cmd == CMD_SET) || (c->precmd.cmd == CMD_GET))) {
ms_update_stat_result(c);
}
/* update multi-get task item */
- if (((ms_setting.mult_key_num > 1)
- && (c->mlget_task.mlget_num >= ms_setting.mult_key_num))
+ if (((ms_setting.mult_key_num > 1) && (c->mlget_task.mlget_num >= ms_setting.mult_key_num))
|| ((c->remain_exec_num == 0) && (c->mlget_task.mlget_num > 0)))
{
ms_update_multi_get_result(c);
- }
- else
- {
+ } else {
ms_update_single_get_result(c, item);
}
} /* ms_update_task_result */
-
/**
* run get and set operation
*
*
* @return int, if success, return EXIT_SUCCESS, else return -1
*/
-static int ms_run_getset_task(ms_conn_t *c)
-{
+static int ms_run_getset_task(ms_conn_t *c) {
/**
* extra one loop to get the last command return state. get the
* last command return state.
*/
- if ((c->remain_exec_num >= 0)
- && (c->remain_exec_num != c->exec_num))
- {
+ if ((c->remain_exec_num >= 0) && (c->remain_exec_num != c->exec_num)) {
ms_update_task_result(c);
}
/* multi-get */
- if (ms_setting.mult_key_num > 1)
- {
+ if (ms_setting.mult_key_num > 1) {
/* operate next task item */
ms_multi_getset_task_sch(c);
- }
- else
- {
+ } else {
/* operate next task item */
ms_single_getset_task_sch(c);
}
/* no task to do, exit */
- if ((c->remain_exec_num == -1) || ms_global.time_out)
- {
+ if ((c->remain_exec_num == -1) || ms_global.time_out) {
return -1;
}
return EXIT_SUCCESS;
} /* ms_run_getset_task */
-
/**
* the state machine call the function to execute task.
*
*
* @return int, if success, return EXIT_SUCCESS, else return -1
*/
-int ms_exec_task(struct conn *c)
-{
- if (! ms_global.finish_warmup)
- {
+int ms_exec_task(struct conn *c) {
+ if (!ms_global.finish_warmup) {
ms_warmup_server(c);
- }
- else
- {
- if (ms_run_getset_task(c) != 0)
- {
+ } else {
+ if (ms_run_getset_task(c)) {
return -1;
}
}
projects / awesomized / libmemcached / blobdiff