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@@ -0,0 +1,151 @@
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+/*
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+ ============================================================================
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+ Name : opcuaServer.c
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+ Author :
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+ Version :
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+ Copyright : Your copyright notice
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+ Description :
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+ ============================================================================
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+ */
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+
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <memory.h> // bzero
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+
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+#include "opcua.h"
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+
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+#ifdef LINUX
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+
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+#include <sys/types.h>
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+#include <sys/socket.h>
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+#include <netinet/in.h>
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+#include <sys/socketvar.h>
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+
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+void server_init();
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+void server_run();
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+
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+#endif
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+
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+#define PORT 16664
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+#define MAXMSG 512
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+#define BUFFER_SIZE 8192
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+
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+int main(void) {
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+
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+#ifdef LINUX
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+ server_init();
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+ server_run();
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+#endif
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+
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+ return EXIT_SUCCESS;
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+
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+}
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+
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+#ifdef LINUX
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+
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+void server_init() {
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+ printf("Starting open62541 demo server on port %d\n", PORT);
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+}
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+
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+typedef struct T_Server {
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+ int newDataToWrite;
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+ UA_ByteString writeData;
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+} Server;
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+
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+Server server;
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+void server_writer(UA_TL_connection connection, UA_ByteString* msg) {
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+ UA_ByteString_copy(msg,&server.writeData);
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+ server.newDataToWrite = 1;
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+}
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+void server_run() {
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+
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+ UA_TL_connection connection;
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+ connection.connectionState = connectionState_CLOSE;
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+ connection.writerCallback = server_writer;
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+ connection.localConf.maxChunkCount = 1;
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+ connection.localConf.maxMessageSize = BUFFER_SIZE;
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+ connection.localConf.protocolVersion = 0;
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+ connection.localConf.recvBufferSize = BUFFER_SIZE;
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+ connection.localConf.recvBufferSize = BUFFER_SIZE;
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+
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+ UA_ByteString slMessage = { -1, UA_NULL };
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+
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+ int optval = 1;
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+ int sockfd, newsockfd, portno, clilen;
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+ char buffer[BUFFER_SIZE];
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+ struct sockaddr_in serv_addr, cli_addr;
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+ int n;
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+
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+ /* First call to socket() function */
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+ sockfd = socket(PF_INET, SOCK_STREAM, 0);
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+ if (sockfd < 0) {
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+ perror("ERROR opening socket");
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+ exit(1);
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+ }
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+
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+ /* Initialize socket structure */
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+ bzero((void *) &serv_addr, sizeof(serv_addr));
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+ portno = PORT;
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+ serv_addr.sin_family = AF_INET;
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+ serv_addr.sin_addr.s_addr = INADDR_ANY;
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+ serv_addr.sin_port = htons(portno);
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+
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+ if (setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof optval)
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+ == -1) {
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+ perror("setsockopt");
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+ exit(1);
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+ }
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+ /* Now bind the host address using bind() call.*/
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+ if (bind(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr)) < 0) {
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+ perror("ERROR on binding");
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+ exit(1);
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+ }
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+
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+ /* Now start listening for the clients, here process will
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+ * go in sleep mode and will wait for the incoming connection
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+ */
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+ while (listen(sockfd, 5) != -1) {
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+ clilen = sizeof(cli_addr);
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+ /* Accept actual connection from the client */
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+ newsockfd = accept(sockfd, (struct sockaddr *) &cli_addr, &clilen);
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+ if (newsockfd < 0) {
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+ perror("ERROR on accept");
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+ exit(1);
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+ }
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+
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+ printf("connection accepted\n");
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+ /* communication loop */
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+ while (connection.connectionState != connectionState_CLOSE) {
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+ /* If connection is established then start communicating */
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+ bzero(buffer, BUFFER_SIZE);
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+
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+ n = read(newsockfd, buffer, BUFFER_SIZE);
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+
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+ if (n > 0) {
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+ slMessage.data = buffer;
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+ slMessage.length = n;
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+ UA_ByteString_printx("server_run - received=",slMessage);
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+ TL_process(&connection, &slMessage);
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+ } else if (n < 0) {
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+ perror("ERROR reading from socket1");
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+ exit(1);
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+ }
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+
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+ if (server.newDataToWrite) {
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+ UA_ByteString_printx("Send data:", &server.writeData);
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+ n = write(newsockfd, server.writeData.data,
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+ server.writeData.length);
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+ printf("written %d bytes \n", n);
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+ server.newDataToWrite = 0;
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+ UA_ByteString_deleteMembers(&server.writeData);
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+
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+ server.writeData.data = UA_NULL;
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+ server.writeData.length = 0;
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+ }
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+ }
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+ close(newsockfd);
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+ connection.connectionState = connectionState_CLOSED;
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+ }
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+}
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+
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+#endif
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Leon Urbas