Function cache_tcp_send

adapter/micro_thread/mt_cache.cpp:452–494

}

int32_t cache_tcp_send(TRWCache* cache, uint32_t fd)
{
    if ((NULL == cache) || (NULL == cache->pool))
    {
        return -1;
    }

    if (cache->len == 0)
    {
        return 0;
    }

    int32_t ret = 0, total = 0;
    TSkBuffer* item = NULL;
    TSkBuffer* tmp = NULL;
    TAILQ_FOREACH_SAFE(item, &cache->list, entry, tmp)
    {
        mt_hook_syscall(send);
        ret = ff_hook_send(fd, item->data, item->data_len, 0);
        if (ret < 0)
        {
            break;
        }
        
        total += ret;
        if (ret < (int32_t)item->data_len)
        {
            break;
        }
    }

    cache_skip_data(cache, total);
    if (ret < 0)
    {
        if (errno != EAGAIN)
        {
            MTLOG_ERROR("tcp socket send failed, error: %d[%m]", errno);
            return -2;
        }
    }

    return total;
}

int32_t cache_tcp_send_buff(TRWCache* cache, uint32_t fd, const void* data, uint32_t len)
{