v1.7.2 Release

examples/07-send_size.c

@@ -0,0 +1,95 @@
+#include <assert.h>
+
+#define SOCK_IMPLEMENTATION
+#include "sock.h"
+
+void send_len(Sock *s, const void *buf, size_t size)
+{
+    bool ok = true;
+
+    // First send size of msg
+    ok = sock_send_all(s, &size, sizeof(size));
+    assert(ok);
+
+    // Then send msg
+    ok = sock_send_all(s, buf, size);
+    assert(ok);
+}
+
+void server()
+{
+    bool ok = true;
+
+    Sock *server = sock_create(SOCK_IPV4, SOCK_TCP);
+    assert(server != NULL);
+
+    ok = sock_bind(server, sock_addr("0.0.0.0", 6969));
+    assert(ok);
+
+    ok = sock_listen(server);
+    assert(ok);
+
+    Sock *client = sock_accept(server);
+    assert(client != NULL);
+
+    ssize_t n = 0;
+
+    size_t len = 0;
+    n = sock_recv_all(client, &len, sizeof(len));
+    assert(n >= 0);
+
+    char buf[len + 1];
+    memset(buf, 0, len + 1);
+
+    n = sock_recv_all(client, buf, len);
+    assert(n >= 0);
+    printf("%.*s\n", (int)len, buf);
+
+    const char *msg = "Hello from Server";
+    send_len(client, msg, strlen(msg));
+
+    sock_close(client);
+    sock_close(server);
+}
+
+void client()
+{
+    bool ok = true;
+
+    Sock *sock = sock_create(SOCK_IPV4, SOCK_TCP);
+    assert(sock != NULL);
+
+    ok = sock_connect(sock, sock_addr("127.0.0.1", 6969));
+    assert(ok);
+
+    const char *msg = "Hello from Client";
+    send_len(sock, msg, strlen(msg));
+
+    ssize_t n = 0;
+
+    size_t len = 0;
+    n = sock_recv_all(sock, &len, sizeof(len));
+    assert(n >= 0);
+
+    char buf[len + 1];
+    memset(buf, 0, len + 1);
+
+    n = sock_recv_all(sock, buf, len);
+    assert(n >= 0);
+    printf("%.*s\n", (int)len, buf);
+
+    sock_close(sock);
+}
+
+int main(int argc, char **argv)
+{
+    (void) argv;
+
+    if (argc > 1) {
+        server();
+    } else {
+        client();
+    }
+
+    return 0;
+}