优化共享内存解析格式,减少内存浪费。优化生产者进程的效率。
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@@ -5,8 +5,7 @@
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#define MESA_SHM_LOG_PATH_LEN 1024
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#define MESA_SHM_RING_QUEUE_NUM 128
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#define MESA_SHM_RING_QUEUE_BLOCK_NUM 8192
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#define MESA_SHM_RING_QUEUE_BLOCK_BUFLEN 4096
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#define MESA_SHM_RING_QUEUE_BLOCK_SIZE (MESA_SHM_LOG_PATH_LEN + sizeof(int) + MESA_SHM_RING_QUEUE_BLOCK_BUFLEN) /*log file + (int)payload len + payload*/
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#define MESA_SHM_RING_QUEUE_BLOCK_SIZE 4096
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#define MESA_SHM_KEY_OVERVIEW 35720
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#define MESA_SHM_KEY_MIN (MESA_SHM_KEY_OVERVIEW + 1)
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#define MESA_SHM_KEY_MAX (MESA_SHM_KEY_MIN + MESA_SHM_RING_QUEUE_NUM -1)
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@@ -233,19 +233,27 @@ int check_reopen_log_file(struct log_file_list *node)
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}
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return CONSUMER_SUCCESS;
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}
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/*
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(int)file_len + (str)file + '\0' + (int)payload_len + (str)payload + '\0'
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*/
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void consumer_ring_queue_to_file(struct MESA_shm_queue_head *head)
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{
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int *p_file_len = NULL;
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int file_len = 0;
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char *p_file = NULL;
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int *p_payload_len = NULL;
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char *payload = NULL;
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int payload_len = 0;
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char buf[MESA_SHM_LOG_BUF_PREFIX_LEN + MESA_SHM_RING_QUEUE_BLOCK_BUFLEN] = {0};
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char *payload = NULL;
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char buf[MESA_SHM_LOG_BUF_PREFIX_LEN + MESA_SHM_RING_QUEUE_BLOCK_SIZE] = {0};
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int n = 0;
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char strtime[DEFAUT_BUF_SIZE] = {0};
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struct log_file_list *node = NULL;
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get_cur_strftime(strtime, sizeof(strtime));
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while(!MESA_shm_ring_queue_is_empty(head)){
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p_file = (char *)(head + 1) + (head->blksize * head->rd_idx);
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p_file_len = (int *)((char *)(head + 1) + (head->blksize * head->rd_idx));
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file_len = *p_file_len;
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p_file = (char *)(p_file_len + 1);
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node = get_log_file_node(p_file);
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if(node == NULL){
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node = create_log_file_node(p_file);
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@@ -259,7 +267,7 @@ void consumer_ring_queue_to_file(struct MESA_shm_queue_head *head)
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continue ;
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}
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}
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p_payload_len = (int *)(p_file + MESA_SHM_LOG_PATH_LEN);
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p_payload_len = (int *)(p_file + file_len + 1);
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payload_len = *p_payload_len;
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payload = (char *)(p_payload_len + 1);
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n = snprintf(buf, sizeof(buf), "%s, %s\n", strtime, payload);
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@@ -270,14 +278,19 @@ void consumer_ring_queue_to_file(struct MESA_shm_queue_head *head)
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}
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void consumer_ring_queue_to_terminal(struct MESA_shm_queue_head *head, int producer_pid)
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{
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int *p_file_len = NULL;
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int file_len = 0;
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char *p_file = NULL;
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int *p_payload_len = NULL;
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char *payload = NULL;
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int payload_len = 0;
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char buf[MESA_SHM_LOG_BUF_PREFIX_LEN + MESA_SHM_RING_QUEUE_BLOCK_BUFLEN] = {0};
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char *payload = NULL;
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char buf[MESA_SHM_LOG_BUF_PREFIX_LEN + MESA_SHM_RING_QUEUE_BLOCK_SIZE] = {0};
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int n = 0;
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while(!MESA_shm_ring_queue_is_empty(head)){
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p_payload_len = (int *)((char *)(head + 1) + (head->blksize * head->rd_idx) + MESA_SHM_LOG_PATH_LEN);
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p_file_len = (int *)((char *)(head + 1) + (head->blksize * head->rd_idx));
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file_len = *p_file_len;
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p_file = (char *)(p_file_len + 1);
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p_payload_len = (int *)(p_file + file_len + 1);
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payload_len = *p_payload_len;
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payload = (char *)(p_payload_len + 1);
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n = snprintf(buf, sizeof(buf), "pid:%d, %s\n", producer_pid, payload);
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@@ -523,7 +536,8 @@ int main(int argc, char **argv)
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if(!MESA_shm_ring_queue_is_empty(ring_queue_head[i])){
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if(g_care_pid == CONSUMER_CARE_PID_SPEC){
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if(!producer_pid_is_cared(tmp_ovw->producer_pid)){
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MESA_shm_ring_queue_set_empty(ring_queue_head[i]);
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/*do not set empty, in order to improve performance for producer process*/
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/*MESA_shm_ring_queue_set_empty(ring_queue_head[i]);*/
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continue ;
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}
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}
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@@ -216,7 +216,7 @@ struct MESA_pthread_private *MESA_create_pthread_private(void *handle)
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goto error;
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}
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pri->fmt_buf_len = p_handle->fmt_buf_len;
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pri->cache_buf_len = MESA_SHM_RING_QUEUE_BLOCK_BUFLEN;
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pri->cache_buf_len = MESA_SHM_RING_QUEUE_BLOCK_SIZE;
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pri->cache_buf = malloc(pri->cache_buf_len);
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if(pri->cache_buf == NULL){
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goto error;
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@@ -187,29 +187,44 @@ void MESA_shm_ring_queue_set_empty(struct MESA_shm_queue_head *head)
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return;
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}
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/*
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(int)file_len + (str)p_file + '\0' + (int)payload_len + (str)payload + '\0'
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*/
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int MESA_shm_copy_buf_to_ring_queue(char *buf, int buflen, struct MESA_shm_queue_head *head, char *log_file, int log_file_len)
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{
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int len = buflen < (MESA_SHM_RING_QUEUE_BLOCK_BUFLEN -1)?buflen:(MESA_SHM_RING_QUEUE_BLOCK_BUFLEN - 1);
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int available_len = 0;
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int *p_file_len = 0;
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char *p_file = NULL;
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int *p_buf_len = NULL;
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char *p_buf = NULL;
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int *p_payload_len = 0;
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int payload_len = 0;
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char *p_payload = NULL;
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if(head == NULL){
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return 0;
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}
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if(log_file_len == 0){
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return 0;
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}
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if(MESA_shm_ring_queue_is_full(head)){
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return 0;
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}
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p_file = (char *)(head + 1) + (head->blksize * head->wr_idx);
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if(log_file_len <= 0 || log_file_len >= MESA_SHM_LOG_PATH_LEN){
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return 0;
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}
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available_len = MESA_SHM_RING_QUEUE_BLOCK_SIZE - log_file_len -(2 * sizeof(int)) - 2;
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if(available_len <= 0){
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return 0;
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}
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payload_len = buflen < available_len ? buflen : available_len;
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p_file_len = (int *)((char *)(head + 1) + (head->blksize * head->wr_idx));
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*p_file_len = log_file_len;
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p_file = (char *)(p_file_len + 1);
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memcpy(p_file, log_file, log_file_len);
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p_file[log_file_len] = '\0';
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p_buf_len = (int *)(p_file + MESA_SHM_LOG_PATH_LEN);
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*p_buf_len = len;
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p_buf = (char *)(p_buf_len + 1);
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memcpy(p_buf, buf, len);
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p_buf[len] = '\0';
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p_payload_len = (int *)(p_file + log_file_len + 1);
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*p_payload_len = payload_len;
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p_payload = (char *)(p_payload_len + 1);
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memcpy(p_payload, buf, payload_len);
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p_payload[payload_len] = '\0';
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head->wr_idx = (head->wr_idx + 1) % head->blknum;
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return len;
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return payload_len;
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}
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