mirror of
https://github.com/slsdetectorgroup/slsDetectorPackage.git
synced 2025-04-26 00:00:02 +02:00
Dhanya Thattil
f80483de6e
digital readout mode (fifoempty flag in status register is always up, so it is idle for this readout mode), pattern loop bugs, max_pattern_length redefined in server side, do not update period for ctb and moench in setreceiver
114 lines
3.3 KiB
C
Executable File
114 lines
3.3 KiB
C
Executable File
#pragma once
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#include "logger.h"
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#include "sls_detector_defs.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <string.h>
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#include <unistd.h>
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#include <errno.h>
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#include <netdb.h>
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int udpSockfd = -1;
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struct addrinfo* udpServerAddrInfo = 0;
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unsigned short int udpDestinationPort = 0;
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char udpDestinationIp[MAX_STR_LENGTH] = "";
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//DEFAULT_TX_UDP_PORT;// src port
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int setUDPDestinationDetails(const char* ip, unsigned short int port) {
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udpDestinationPort = port;
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size_t len = strlen(ip);
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strncpy(udpDestinationIp, ip, len > MAX_STR_LENGTH ? MAX_STR_LENGTH : len );
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if (udpServerAddrInfo) {
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freeaddrinfo(udpServerAddrInfo);
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udpServerAddrInfo = 0;
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}
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// convert ip to internet address
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struct addrinfo hints;
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memset(&hints, 0, sizeof(hints));
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hints.ai_family = AF_UNSPEC;
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hints.ai_socktype = SOCK_DGRAM;
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hints.ai_flags = 0;
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hints.ai_protocol = 0;
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char sport[100];
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memset(sport, 0, 100);
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sprintf(sport, "%d", udpDestinationPort);
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int err = getaddrinfo(udpDestinationIp, sport, &hints, &udpServerAddrInfo);
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if (err != 0) {
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FILE_LOG(logERROR, ("Failed to resolve remote socket address %s at port %d. "
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"(Error code:%d, %s)\n", udpDestinationIp, udpDestinationPort, err, gai_strerror(err)));
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return FAIL;
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}
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if (udpServerAddrInfo == NULL) {
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FILE_LOG(logERROR, ("Failed to resolve remote socket address %s at port %d "
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"(getaddrinfo returned NULL)\n", udpDestinationIp, udpDestinationPort));
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udpServerAddrInfo = 0;
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return FAIL;
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}
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return OK;
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}
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int createUDPSocket() {
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if (!strlen(udpDestinationIp)) {
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FILE_LOG(logERROR, ("No destination UDP ip specified.\n"));
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return FAIL;
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}
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if (udpSockfd != -1) {
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FILE_LOG(logERROR, ("Strange that Udp socket was still open. Closing it to create a new one\n"));
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close(udpSockfd);
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udpSockfd = -1;
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}
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// Creating socket file descriptor
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udpSockfd = socket(udpServerAddrInfo->ai_family, udpServerAddrInfo->ai_socktype, udpServerAddrInfo->ai_protocol);
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if (udpSockfd == -1 ) {
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FILE_LOG(logERROR, ("UDP socket at port %d failed. (Error code:%d, %s)\n",
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udpDestinationPort, errno, gai_strerror(errno)));
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return FAIL;
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}
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FILE_LOG(logINFO, ("Udp client socket created for server (port %d, ip:%s)\n",
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udpDestinationPort, udpDestinationIp));
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// connecting allows to use "send/write" instead of "sendto", avoiding checking for server address for each packet
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// using write without a connect will end in segv
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if (connect(udpSockfd,udpServerAddrInfo->ai_addr, udpServerAddrInfo->ai_addrlen)==-1) {
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FILE_LOG(logERROR, ("Could not connect to UDP server at ip:%s, port:%d. (Error code:%d, %s)\n",
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udpDestinationIp, udpDestinationPort, errno, gai_strerror(errno)));
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}
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FILE_LOG(logINFO, ("Udp client socket connected\n",
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udpDestinationPort, udpDestinationIp));
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return OK;
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}
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int sendUDPPacket(const char* buf, int length) {
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int n = write(udpSockfd, buf, length);
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// udp sends atomically, no need to handle partial data
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if (n == -1) {
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FILE_LOG(logERROR, ("Could not send udp packet. (Error code:%d, %s)\n",
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n, errno, gai_strerror(errno)));
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} else {
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FILE_LOG(logDEBUG2, ("%d bytes sent\n", n));
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}
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return n;
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}
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void closeUDPSocket() {
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close(udpSockfd);
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udpSockfd = -1;
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if (udpServerAddrInfo) {
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freeaddrinfo(udpServerAddrInfo);
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udpServerAddrInfo = 0;
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}
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}
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