initial commit

src/client.c

@@ -0,0 +1,55 @@
+#include <arpa/inet.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#define PORT 5555
+#define BUFFER_SIZE 1024
+
+int main() {
+  int sock;
+  struct sockaddr_in server_addr;
+  char buffer[BUFFER_SIZE];
+
+  sock = socket(AF_INET, SOCK_STREAM, 0);
+  if (sock < 0) {
+    perror("socket");
+    return 1;
+  }
+
+  server_addr.sin_family = AF_INET;
+  server_addr.sin_port = htons(PORT);
+  inet_pton(AF_INET, "127.0.0.1", &server_addr.sin_addr);
+
+  if (connect(sock, (struct sockaddr *) &server_addr, sizeof(server_addr)) <
+      0) {
+    perror("connect");
+    return 1;
+  }
+
+  if (fork() == 0) {
+    // Процесс чтения
+    while (1) {
+      int valread = read(sock, buffer, BUFFER_SIZE);
+      if (valread > 0) {
+        buffer[valread] = '\0';
+        printf("%s", buffer);
+      }
+    }
+  } else {
+    char username[50];
+    fgets(username, 50, stdin);
+    username[strlen(username)-1] = '\0';
+    send(sock, username, 50, 0);
+    printf("username = %s\n", username);
+    // Процесс отправки
+    while (1) {
+      fgets(buffer, BUFFER_SIZE, stdin);
+      send(sock, buffer, strlen(buffer), 0);
+    }
+  }
+
+  return 0;
+}