Trimble Navigation Limited Construction Business Area 5475 Kellenburger Road Dayton, Ohio 45424-1099 USA 80 (toll free in USA) +1-93 Phone +1-93 Fax E-mail: Ĭopyright and Trademarks © 2002–2005, Trimble Navigation Limited.
socket_server.HYDROpro_2.31C_RelNotes_ENG.fm Thursday, J2:47 PM In the previous example, the same process was called from a child thread. Here I am using the same function and calling it from a child process. Now, below, is the server design with a multi-process approach for parallel processing. When you run the client from a different Linux/Unix server, please consider the firewall issues.
If( pthread_create(&tid, NULL, cientThread, NULL) != 0 )Ĭompile both the client and the server in Linux or in Unix like below:Ĭc socket_client.c -o client -lsocket -lnslĬc socket_server.c -o server -lsocket –lnslįirst, run the server and then run the client from a different terminal (better to run both from different machines). Read the message from the server into the buffer If( send(clientSocket, message, strlen(message), 0) < 0) Connect the socket to the server using the addressĬonnect(clientSocket, (struct sockaddr *) &serverAddr, addr_size) ServerAddr.sin_addr.s_addr = inet_addr("localhost") Configure settings of the server address If( pthread_create(&tid, NULL, socketThread, &newSocket) != 0 )ĬlientSocket = socket(PF_INET, SOCK_STREAM, 0) so the main thread can entertain next request for each client request creates a thread and assign the client request to it to process NewSocket = accept(serverSocket, (struct sockaddr *) &serverStorage, &addr_size) Accept call creates a new socket for the incoming connection Listen on the socket, with 40 max connection requests queued Memset(serverAddr.sin_zero, '\0', sizeof serverAddr.sin_zero) īind(serverSocket, (struct sockaddr *) &serverAddr, sizeof(serverAddr)) Set port number, using htons function to use proper byte order Configure settings of the server address struct ServerSocket = socket(PF_INET, SOCK_STREAM, 0) Recv(newSocket, client_message, 2000, 0) Ĭhar *message = malloc(sizeof(client_message)+20) Pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER Both of these programs are for Unix/Linux environments only. The second program is a sample client to test this server.
#Terramodel parellel port lock professional#
This is just a very simple example and not a professional based TCP/IP server. I have just put a sleep statement here and am sending a hard-coded reply from the server to the client. As this is just an example, you need to put your own business logic in the thread function. The thread will start processing with the client request, generate the report, and send it back to the client. Whenever a request comes to the server, the server’s main thread will create a thread and pass the client request to that thread with its ID. Here I have created a function called socketThread , which is a thread function. In the first example, the TCP/IP server has been designed with multi-threading for parallel processing and in the second example, I have implemented the server with multi-processing to accomplish the same goal.īelow is the server application (in C). Normally, you will get lots of examples of TCP/IP servers and client examples online which are not capable of processing multiple client requests in parallel. For example, you are going to create a TCP/IP server which can receive multiple client requests at the same time and entertain each client request in parallel so that no client will have to wait for server time. The primary intention of writing this article is to give you an overview of how we can entertain multiple client requests to a server in parallel.
0 kommentar(er)
