From bc2afe32e8db4318f2a2adea49d85b10d0d4cc97 Mon Sep 17 00:00:00 2001 From: wangzhengquan <wangzhengquan85@126.com> Date: 星期一, 08 二月 2021 16:51:24 +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"); } -- Gitblit v1.8.0