| | |
| | | /*- |
| | | * Copyright (c) 2012-2013 Jan Breuer, |
| | | * BSD 2-Clause License |
| | | * |
| | | * All Rights Reserved |
| | | * Copyright (c) 2012-2018, Jan Breuer |
| | | * All rights reserved. |
| | | * |
| | | * Redistribution and use in source and binary forms, with or without |
| | | * modification, are permitted provided that the following conditions are |
| | | * met: |
| | | * 1. Redistributions of source code must retain the above copyright notice, |
| | | * this list of conditions and the following disclaimer. |
| | | * 2. Redistributions in binary form must reproduce the above copyright |
| | | * notice, this list of conditions and the following disclaimer in the |
| | | * documentation and/or other materials provided with the distribution. |
| | | * modification, are permitted provided that the following conditions are met: |
| | | * |
| | | * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR |
| | | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| | | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| | | * DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE |
| | | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| | | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| | | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| | | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| | | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| | | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| | | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| | | * * Redistributions of source code must retain the above copyright notice, this |
| | | * list of conditions and the following disclaimer. |
| | | * |
| | | * * Redistributions in binary form must reproduce the above copyright notice, |
| | | * this list of conditions and the following disclaimer in the documentation |
| | | * and/or other materials provided with the distribution. |
| | | * |
| | | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| | | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| | | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| | | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| | | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| | | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| | | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| | | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| | | */ |
| | | |
| | | /** |
| | | * @file main.c |
| | | * @date Thu Nov 15 10:58:45 UTC 2012 |
| | |
| | | #include <errno.h> |
| | | #include <arpa/inet.h> |
| | | #include <unistd.h> |
| | | #include <netinet/tcp.h> |
| | | |
| | | #include "scpi/scpi.h" |
| | | #include "../common/scpi-def.h" |
| | | |
| | | size_t SCPI_Write(scpi_t * context, const char * data, size_t len) { |
| | | (void) context; |
| | | |
| | | if (context->user_context != NULL) { |
| | | int fd = *(int *) (context->user_context); |
| | | |
| | | int state = 1; |
| | | setsockopt(fd, IPPROTO_TCP, TCP_CORK, &state, sizeof(state)); |
| | | |
| | | return write(fd, data, len); |
| | | } |
| | | return 0; |
| | | } |
| | | |
| | | scpi_result_t SCPI_Flush(scpi_t * context) { |
| | | (void) context; |
| | | if (context->user_context != NULL) { |
| | | int fd = *(int *) (context->user_context); |
| | | |
| | | int state = 0; |
| | | setsockopt(fd, IPPROTO_TCP, TCP_CORK, &state, sizeof(state)); |
| | | } |
| | | |
| | | return SCPI_RES_OK; |
| | | } |
| | |
| | | /* |
| | | * |
| | | */ |
| | | |
| | | //网络通信部分可以不使用标准C的socket通信,可以采用C++或者Qt的网络库进行传输 |
| | | int main(int argc, char** argv) { |
| | | (void) argc; |
| | | (void) argv; |
| | |
| | | listenfd = createServer(5025); |
| | | |
| | | while (1) { |
| | | int clifd; |
| | | int clifd, flag = 1; |
| | | struct sockaddr_in cliaddr; |
| | | socklen_t clilen; |
| | | |
| | |
| | | |
| | | if (clifd < 0) continue; |
| | | |
| | | setsockopt(clifd, IPPROTO_TCP, TCP_NODELAY, (char *)&flag, sizeof(int)); |
| | | |
| | | printf("Connection established %s\r\n", inet_ntoa(cliaddr.sin_addr)); |
| | | |
| | | scpi_context.user_context = &clifd; |