Server

server_5.c

+#include <iostream>
+#include <csignal>
+#include <cstdlib>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+volatile bool running = true;
+
+void handle_signal(int signal_number) {
+    std::cout << "Server received signal: " << signal_number << std::endl;
+    running = false;
+}
+
+int main(){
+    // Signal handling
+    struct sigaction sa;
+    sa.sa_handler = handle_signal;
+    sa.sa_flags = 0;
+    sigemptyset(&sa.sa_mask);
+
+    if (sigaction(SIGINT, &sa, nullptr) == -1 || sigaction(SIGTERM, &sa, nullptr) == -1) {
+        perror("Failed to set signal handler");
+        exit(EXIT_FAILURE);
+    }
+    const char* fifo_path = "my_fifo";
+    
+    // Open FIFO for writing
+    int fd = open(fifo_path, O_WRONLY);
+    if (fd == -1) {
+        perror("Server failed to open FIFO for writing");
+        exit(EXIT_FAILURE);
+    }
+    int number = 0;
+    while (running) {
+        // Write numbers to FIFO
+        if (write(fd, &number, sizeof(number)) == -1) {
+            perror("Failed to write to FIFO");
+            running = false;
+        }
+        std::cout << "Server sent: " << number << std::endl;
+        number++;
+        sleep(1);
+    }
+
+    close(fd);
+    std::cout << "Server exiting..." << std::endl;
+    return 0;
+}
+
+/*
+erver sent: 53
+Server sent: 54
+Server sent: 55
+Server sent: 56
+Server sent: 57
+Server sent: 58
+Server sent: 59
+Server sent: 60
+Server sent: 61
+
+killing the server:
+Server sent: 99
+Server sent: 100
+Server received signal: 15
+Server exiting...
+
+output of client:
+Client received: 97
+Client received: 98
+Client received: 99
+Client received: 100
+Failed to read from FIFO: Success
+Client exiting...
+
+
+
+with kill -9 client
+
+Client received: 13
+Client received: 14
+Client received: 15
+Client received: 16
+[1]    11097 killed     ./client_5
+
+Server sent: 12
+Server sent: 13
+Server sent: 14
+Server sent: 15
+Server sent: 16
+~/workspace: 
+
+*/
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