From f52f2c2828047c2f30d30fc1fe2b54d8db146d49 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期四, 25 二月 2021 15:56:35 +0800
Subject: [PATCH] update

---
 src/shm/hashtable.cpp |   87 ++++++++++++++++++++++---------------------
 1 files changed, 45 insertions(+), 42 deletions(-)

diff --git a/src/shm/hashtable.cpp b/src/shm/hashtable.cpp
index cd2bd5a..e435172 100755
--- a/src/shm/hashtable.cpp
+++ b/src/shm/hashtable.cpp
@@ -5,6 +5,9 @@
 #include "logger_factory.h"
 #include <set>
 #include <functional>
+#include <limits.h>
+
+
 
 typedef struct tailq_entry_t
 {
@@ -29,22 +32,12 @@
 
   memset(hashtable, 0, sizeof(hashtable_t));
   hashtable->mutex = svsem_get(IPC_PRIVATE, 1);
-  // hashtable->wlock = svsem_get(IPC_PRIVATE, 1);
-  // hashtable->cond = svsem_get(IPC_PRIVATE, 1);
-  // hashtable->readcnt = 0;
-
-  // FILE * semfile = fopen("./sem.txt", "w+");
-  // if(semfile == NULL) {
-  //   err_exit(errno, "fopen");
-  // }
-  // fprintf(semfile, "hashtable->mutex=%d\n", hashtable->mutex);
-  // fclose(semfile);
+  hashtable->queueCount = 0;
+  hashtable->currentKey = START_KEY;
 }
 
 void hashtable_destroy(hashtable_t *hashtable) {
   svsem_remove( hashtable->mutex);
-  // svsem_remove( hashtable->wlock);
-  // svsem_remove( hashtable->cond);
 }
 
 
@@ -130,6 +123,7 @@
 
         /* mm_free the item as we don't need it anymore. */
         mm_free(item);
+        hashtable->queueCount--;
         svsem_post(hashtable->mutex);
         return oldvalue;
       }
@@ -143,9 +137,6 @@
   }
 }
 
-
-
-
 void *hashtable_get(hashtable_t *hashtable, int key) {
   void * res = _hashtable_get(hashtable, key);
   return res;
@@ -153,43 +144,52 @@
 
 void hashtable_put(hashtable_t *hashtable, int key, void *value) {
   _hashtable_put(hashtable, key, value); 
+  hashtable->queueCount++;
 }
 
-// bool hashtable_put(hashtable_t *hashtable, int key, void *value, bool overwrite) {
+bool hashtable_check_put(hashtable_t *hashtable, int key, void *value, bool overwrite) {
 
-//   int rv;
-//   if(( rv = svsem_wait(hashtable->mutex)) != 0) {
-//     LoggerFactory::getLogger()->error(errno, "hashtable_put\n");
-//   }
-//   if(overwrite) {
-//     _hashtable_put(hashtable, key, value);
-//     goto suc;
-//   }
-//   void * val = _hashtable_get(hashtable, key);
-//   // val = 1鏄痑llockey鐨勬儏鍐�
-//   if(val != NULL && val != (void *)1) 
-//     goto fail;
+  int rv;
+  void * val;
+  if(( rv = svsem_wait(hashtable->mutex)) != 0) {
+    LoggerFactory::getLogger()->error(errno, "hashtable_put\n");
+  }
+  if(overwrite) {
+    _hashtable_put(hashtable, key, value);
+    goto suc;
+  }
+  val = _hashtable_get(hashtable, key);
+  // val = 1鏄痑llockey鐨勬儏鍐�
+  if(val != NULL && val != (void *)1) 
+    goto fail;
 
-//   _hashtable_put(hashtable, key, value);
+  _hashtable_put(hashtable, key, value);
 
-// suc:
-//   if(( rv = svsem_post(hashtable->mutex)) != 0) {
-//     LoggerFactory::getLogger()->error(errno, "hashtable_put\n");
-//   }
-//   return true;
+suc:
+  if(( rv = svsem_post(hashtable->mutex)) != 0) {
+    LoggerFactory::getLogger()->error(errno, "hashtable_put\n");
+  }
+  return true;
 
-// fail:
-//   if(( rv = svsem_post(hashtable->mutex)) != 0) {
-//     LoggerFactory::getLogger()->error(errno, "hashtable_put\n");
-//   }
-//   return false;
-// }
+fail:
+  if(( rv = svsem_post(hashtable->mutex)) != 0) {
+    LoggerFactory::getLogger()->error(errno, "hashtable_put\n");
+  }
+  return false;
+}
 
-
+int hashtable_get_queue_count(hashtable_t *hashtable) {
+  return hashtable->queueCount;
+}
 
 int hashtable_alloc_key(hashtable_t *hashtable) {
   int rv;
-  int key = START_KEY;
+  int key = hashtable->currentKey;
+ 
+  if( key == INT_MAX || key < START_KEY) {
+    key = START_KEY;
+  }
+
   rv = svsem_wait(hashtable->mutex);
   if(rv != 0) {
     LoggerFactory::getLogger()->error(errno, "hashtable_alloc_key\n");
@@ -201,10 +201,12 @@
   // 鍗犵敤key
   _hashtable_put(hashtable, key, (void *)1);
 
+  hashtable->currentKey = key;
   rv = svsem_post(hashtable->mutex);
   if(rv != 0) {
     LoggerFactory::getLogger()->error(errno, "hashtable_alloc_key\n");
   }
+
   return key;
 }
 
@@ -281,6 +283,7 @@
     hashtable->array[i] = NULL;
   }
 
+  hashtable->queueCount = 0;
   if((rv = svsem_post(hashtable->mutex)) != 0) {
     LoggerFactory::getLogger()->error(errno, "hashtable_removeall\n");
   }

--
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