From c9c89f7b85c82d5b7d2c094e2aa1488d865d85de Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期一, 25 一月 2021 09:42:56 +0800
Subject: [PATCH] update
---
src/queue/shm_queue.h | 162 ++++++++++++++++++++++++++++++++---------------------
1 files changed, 97 insertions(+), 65 deletions(-)
diff --git a/src/queue/shm_queue.h b/src/queue/shm_queue.h
index 7c7b89b..9e64992 100644
--- a/src/queue/shm_queue.h
+++ b/src/queue/shm_queue.h
@@ -1,14 +1,19 @@
+/**
+ * encapsulate lock_free_queue, populate in userspace
+ */
+
#ifndef __SHM_QUEUE_H__
#define __SHM_QUEUE_H__
#include "hashtable.h"
-#include "lock_free_queue.h"
+
#include "logger_factory.h"
#include "sem_util.h"
#include "shm_allocator.h"
#include "usg_common.h"
-// default Queue size
-// #define LOCK_FREE_Q_DEFAULT_SIZE 16
+#include "array_lock_free_sem_queue.h"
+#include "lock_free_queue.h"
+#include "bus_error.h"
template <typename ELEM_T> class SHMQueue {
@@ -17,26 +22,25 @@
public:
/// @brief constructor of the class
- SHMQueue(int key = 0, size_t qsize = LOCK_FREE_Q_DEFAULT_SIZE);
+ SHMQueue(int key = 0, size_t qsize = 16);
~SHMQueue();
void force_destroy();
- inline uint32_t size();
+ uint32_t size();
- inline bool full();
- inline bool empty();
+ bool full();
+ bool empty();
- inline bool push(const ELEM_T &a_data);
- inline bool push_nowait(const ELEM_T &a_data);
- inline bool push_timeout(const ELEM_T &a_data,
- const struct timespec *timeout);
- inline bool pop(ELEM_T &a_data);
- inline bool pop_nowait(ELEM_T &a_data);
- inline bool pop_timeout(ELEM_T &a_data, struct timespec *timeout);
+ int push(const ELEM_T &a_data);
+ int push_nowait(const ELEM_T &a_data);
+ int push_timeout(const ELEM_T &a_data, const struct timespec *timeout);
+ int pop(ELEM_T &a_data);
+ int pop_nowait(ELEM_T &a_data);
+ int pop_timeout(ELEM_T &a_data, struct timespec *timeout);
- inline ELEM_T &operator[](unsigned i);
+ ELEM_T &operator[](unsigned i);
// @deprecate
static size_t remove_queues_exclude(int keys[], size_t length);
@@ -47,6 +51,7 @@
protected:
/// @brief the actual queue-> methods are forwarded into the real
/// implementation
+
LockFreeQueue<ELEM_T, SHM_Allocator> *queue;
private:
@@ -114,96 +119,123 @@
queue = new LockFreeQueue<ELEM_T, SHM_Allocator>(qsize);
hashtable_put(hashtable, key, (void *)queue);
}
- queue->reference++;
+ // queue->reference++;
// LoggerFactory::getLogger()->debug("SHMQueue constructor reference===%d", queue->reference.load());
}
template <typename ELEM_T> SHMQueue<ELEM_T>::~SHMQueue() {
- if(queue == NULL) {
- // queue宸茬粡閿�姣�
- return;
- }
-
- SemUtil::dec(queue->mutex);
- queue->reference--;
- // LoggerFactory::getLogger()->debug("SHMQueue destructor reference===%d",
- if (queue->reference.load() == 0) {
- delete queue;
- queue = NULL;
- hashtable_t *hashtable = mm_get_hashtable();
- hashtable_remove(hashtable, KEY);
- // 姝ゆ椂queue宸茬粡閿�姣侊紝鏃犻渶 SemUtil::inc(queue->mutex)
- // printf("SHMQueue destructor delete queue\n");
- } else {
- SemUtil::inc(queue->mutex);
- }
-
-}
-
-template <typename ELEM_T> void SHMQueue<ELEM_T>::force_destroy() {
- if(queue == NULL) {
- // queue宸茬粡閿�姣�
- return;
- }
-
- SemUtil::dec(queue->mutex);
+ LoggerFactory::getLogger()->debug("SHMQueue destroy");
delete queue;
queue = NULL;
hashtable_t *hashtable = mm_get_hashtable();
hashtable_remove(hashtable, KEY);
- // 姝ゆ椂queue宸茬粡閿�姣侊紝鏃犻渶 SemUtil::inc(queue->mutex)
+
}
-template <typename ELEM_T> inline uint32_t SHMQueue<ELEM_T>::size() {
+template <typename ELEM_T> uint32_t SHMQueue<ELEM_T>::size() {
return queue->size();
}
-template <typename ELEM_T> inline bool SHMQueue<ELEM_T>::full() {
+template <typename ELEM_T> bool SHMQueue<ELEM_T>::full() {
return queue->full();
}
-template <typename ELEM_T> inline bool SHMQueue<ELEM_T>::empty() {
+template <typename ELEM_T> bool SHMQueue<ELEM_T>::empty() {
return queue->empty();
}
template <typename ELEM_T>
-inline bool SHMQueue<ELEM_T>::push(const ELEM_T &a_data) {
- return queue->push(a_data);
+int SHMQueue<ELEM_T>::push(const ELEM_T &a_data) {
+ int rv = queue->push(a_data);
+ if(rv == -1) {
+ return errno;
+ } else {
+ return 0;
+ }
}
template <typename ELEM_T>
-inline bool SHMQueue<ELEM_T>::push_nowait(const ELEM_T &a_data) {
- return queue->push_nowait(a_data);
+int SHMQueue<ELEM_T>::push_nowait(const ELEM_T &a_data) {
+ int rv = queue->push(a_data, NULL, BUS_NOWAIT_FLAG);
+ if(rv == -1) {
+ if (errno == EAGAIN)
+ return EAGAIN;
+ else {
+ err_msg(errno, "LockFreeQueue push_nowait");
+ return errno;
+ }
+ }
+ return 0;
}
template <typename ELEM_T>
-inline bool SHMQueue<ELEM_T>::push_timeout(const ELEM_T &a_data,
- const struct timespec *timeout) {
+int SHMQueue<ELEM_T>::push_timeout(const ELEM_T &a_data, const struct timespec *timeout) {
- return queue->push_timeout(a_data, timeout);
+ int rv = queue->push(a_data, timeout, BUS_TIMEOUT_FLAG);
+ if(rv == -1) {
+ if(errno == ETIMEDOUT)
+ return EBUS_TIMEOUT;
+ else {
+ LoggerFactory::getLogger()->error(errno, "LockFreeQueue push_timeout");
+ return errno;
+ }
+ }
+ return 0;
}
-template <typename ELEM_T> inline bool SHMQueue<ELEM_T>::pop(ELEM_T &a_data) {
- // printf("SHMQueue pop before\n");
+template <typename ELEM_T>
+int SHMQueue<ELEM_T>::pop(ELEM_T &a_data) {
+ LoggerFactory::getLogger()->debug("SHMQueue pop before\n");
int rv = queue->pop(a_data);
- // printf("SHMQueue after before\n");
- return rv;
+
+ LoggerFactory::getLogger()->debug("SHMQueue pop before\n");
+ if(rv == -1) {
+
+ return errno;
+ } else {
+ return 0;
+ }
}
template <typename ELEM_T>
-inline bool SHMQueue<ELEM_T>::pop_nowait(ELEM_T &a_data) {
- return queue->pop_nowait(a_data);
+int SHMQueue<ELEM_T>::pop_nowait(ELEM_T &a_data) {
+ int rv = queue->pop(a_data, NULL, BUS_NOWAIT_FLAG);
+
+ if(rv == -1) {
+ if (errno == EAGAIN)
+ return errno;
+ else {
+ LoggerFactory::getLogger()->error(errno, " SHMQueue pop_nowait");
+ return errno;
+ }
+ }
+ return 0;
+
}
template <typename ELEM_T>
-inline bool SHMQueue<ELEM_T>::pop_timeout(ELEM_T &a_data,
- struct timespec *timeout) {
- return queue->pop_timeout(a_data, timeout);
+int SHMQueue<ELEM_T>::pop_timeout(ELEM_T &a_data, struct timespec *timeout) {
+
+ int rv;
+ rv = queue->pop(a_data, timeout, BUS_TIMEOUT_FLAG);
+ if(rv == -1) {
+ if (errno == ETIMEDOUT) {
+ return EBUS_TIMEOUT;
+ } else {
+ LoggerFactory::getLogger()->error(errno, " SHMQueue pop_timeout");
+ return errno;
+ }
+ }
+ return 0;
+
}
template <typename ELEM_T>
-inline ELEM_T &SHMQueue<ELEM_T>::operator[](unsigned i) {
+ELEM_T &SHMQueue<ELEM_T>::operator[](unsigned i) {
return queue->operator[](i);
}
+
+
+
#endif
--
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