void echo_read(uv_stream_t *client, ssize_t nread, const uv_buf_t *buf) { if (nread > 0) { write_req_t *req = (write_req_t*) malloc(sizeof(write_req_t)); req->buf = uv_buf_init(buf->base, nread); fwrite(buf->base, 30, 1, stdout); uv_write((uv_write_t*) re...
auto iov= uv_buf_init((char*)malloc(size), size);//保存读取到的数据read_req.data = iov.base;//handle和request都有一个data域,可以用来存储上下文信息uv_fs_read(uv_default_loop(), &read_req, req->result, &iov,1, -1, on_read); }else{//errorfprintf(stderr,"error opening file: %s...
int uv_fs_close(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb); int uv_fs_open(uv_loop_t* loop, uv_fs_t* req, const char* path, int flags, int mode, uv_fs_cb cb); int uv_fs_read(uv_loop_t* loop, uv_fs_t* req, uv_file file, const uv_buf_t bu...
iov.base);}voidon_open(uv_fs_t*req){printf("%zd\n",req->result);iov=uv_buf_init(buffer,sizeof(buffer));uv_fs_read(uv_default_loop(),&_read,(int)req->result,&iov,1,-1,on_read);}intmain(){constchar*path=
(conststructsockaddr*)&client_add,UV_UDP_LINUX_RECVERR);uv_udp_recv_start(&client,alloc_cb,read_cb);uv_udp_send_tsend_req;uv_buf_tbuf=uv_buf_init("PING",4);uv_udp_send(&send_req,&client,&buf,1,(conststructsockaddr*)&server_addr,udp_send_cb);uv_run(&loop,UV_RUN_DEFAULT);...
The problem API signature is uv_buf_init(char*, unsigned int), causing an issue when called with large allocations (truncating the length to 0x80000000). Example: size_t len = 1024 * 1024 * 1024 * 6; // 6GB char* data = (char*)malloc(len...
3.7、uv_read_start 3.8、uv_buf_t 和 uv_buf_init 3.9、uv_close 3.10、uv_write 3.11、uv_strerror 附录 1、说明 libuv 中实现 tcp server 的步骤和原生 socket 步骤类似,回忆一下 linux 下原生 socket 实现 tcp server 的步骤: 初始化 socket 环境,获取 socket 套接字; ...
3.8、uv_buf_t 和 uv_buf_init 3.9、uv_close 3.10、uv_write 3.11、uv_strerror 附录 1、说明 libuv 中实现 tcp server 的步骤和原生 socket 步骤类似,回忆一下 linux 下原生 socket 实现 tcp server 的步骤: 初始化 socket 环境,获取 socket 套接字; ...
// on_wrote_init_ack will be called. The peer state is passed to the write // request via the data pointer; the write request does not own this peer // state - it's owned by the client handle. uv_buf_t writebuf = uv_buf_init(peerstate->sendbuf, peerstate->sendbuf_end); ...
void on_open(uv_fs_t *req) { // The request passed to the callback is the same as the one the call setup // function was passed. assert(req == &open_req); if (req->result >= 0) { iov = uv_buf_init(buffer, sizeof(buffer)); ...