minimal: adapt for ping test over https

minimal-examples/ws-client/minimal-ws-client-ping/README.md

@@ -10,6 +10,15 @@ It then sends a ws PING every 5s and records any PONG coming back.
  $ cmake . && make
 ```
 
+## Commandline Options
+
+Option|Meaning
+---|---
+-d|Set logging verbosity
+--server|Use a specific server instead of libwebsockets.org, eg `--server localhost`.  Implies LCCSCF_ALLOW_SELFSIGNED
+--port|Use a specific port instead of 443, eg `--port 7681`
+-z|Send zero-length pings for testing
+
 ## usage
 
 Just run it, wait for the connect and then there will be PINGs sent

minimal-examples/ws-client/minimal-ws-client-ping/minimal-ws-client-ping.c

@@ -17,7 +17,9 @@
 
 static struct lws_context *context;
 static struct lws *client_wsi;
-static int interrupted, zero_length_ping;
+static int interrupted, zero_length_ping, port = 443,
+	   ssl_connection = LCCSCF_USE_SSL;
+static const char *server_address = "libwebsockets.org", *pro = "lws-ping-test";
 
 struct pss {
 	int send_a_ping;
@@ -31,14 +33,14 @@ connect_client(void)
 	memset(&i, 0, sizeof(i));
 
 	i.context = context;
-	i.port = 443;
-	i.address = "libwebsockets.org";
+	i.port = port;
+	i.address = server_address;
 	i.path = "/";
 	i.host = i.address;
 	i.origin = i.address;
-	i.ssl_connection = LCCSCF_USE_SSL;
-	i.protocol = "lws-mirror-protocol";
-	i.local_protocol_name = "lws-ping-test";
+	i.ssl_connection = ssl_connection;
+	i.protocol = pro;
+	i.local_protocol_name = pro;
 	i.pwsi = &client_wsi;
 
 	return !lws_client_connect_via_info(&i);
@@ -95,7 +97,7 @@ callback_minimal_broker(struct lws *wsi, enum lws_callback_reasons reason,
 		}
 		break;
 
-	case LWS_CALLBACK_CLIENT_CLOSED:
+	case LWS_CALLBACK_WS_CLIENT_DROP_PROTOCOL:
 		client_wsi = NULL;
 		lws_timed_callback_vh_protocol(lws_get_vhost(wsi),
 					       lws_get_protocol(wsi),
@@ -183,6 +185,14 @@ int main(int argc, const char **argv)
 	if (lws_cmdline_option(argc, argv, "-z"))
 		zero_length_ping = 1;
 
+	if ((p = lws_cmdline_option(argc, argv, "--server"))) {
+		server_address = p;
+		pro = "lws-minimal";
+		ssl_connection |= LCCSCF_ALLOW_SELFSIGNED;
+	}
+
+	if ((p = lws_cmdline_option(argc, argv, "--port")))
+		port = atoi(p);
 
 	context = lws_create_context(&info);
 	if (!context) {

minimal-examples/ws-server/minimal-ws-server/README.md

@@ -6,6 +6,13 @@
  $ cmake . && make
 ```
 
+## Commandline Options
+
+Option|Meaning
+---|---
+-d|Set logging verbosity
+-s|Serve using TLS selfsigned cert (ie, connect to it with https://...)
+
 ## usage
 
 ```

minimal-examples/ws-server/minimal-ws-server/localhost-100y.cert

+-----BEGIN CERTIFICATE-----
+MIIF5jCCA86gAwIBAgIJANq50IuwPFKgMA0GCSqGSIb3DQEBCwUAMIGGMQswCQYD
+VQQGEwJHQjEQMA4GA1UECAwHRXJld2hvbjETMBEGA1UEBwwKQWxsIGFyb3VuZDEb
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+e2Hl/7M0c/lbZ4FvXgARlex2rkgS0Ka06HE=
+-----END CERTIFICATE-----

minimal-examples/ws-server/minimal-ws-server/localhost-100y.key

+-----BEGIN PRIVATE KEY-----
+MIIJQwIBADANBgkqhkiG9w0BAQEFAASCCS0wggkpAgEAAoICAQCjYtuWaICCY0tJ
+PubxpIgIL+WWmz/fmK8IQr11Wtee6/IUyUlo5I602mq1qcLhT/kmpoR8Di3DAmHK
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+fBrpEY1IATtPq1taBZZogRqI3rOkkPk=
+-----END PRIVATE KEY-----

minimal-examples/ws-server/minimal-ws-server/minimal-ws-server.c

@@ -73,12 +73,20 @@ int main(int argc, const char **argv)
 		logs = atoi(p);
 
 	lws_set_log_level(logs, NULL);
-	lwsl_user("LWS minimal ws server | visit http://localhost:7681\n");
+	lwsl_user("LWS minimal ws server | visit http://localhost:7681 (-s = use TLS / https)\n");
 
 	memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
 	info.port = 7681;
 	info.mounts = &mount;
 	info.protocols = protocols;
+	info.ws_ping_pong_interval = 10;
+
+	if (lws_cmdline_option(argc, argv, "-s")) {
+		lwsl_user("Server using TLS\n");
+		info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
+		info.ssl_cert_filepath = "localhost-100y.cert";
+		info.ssl_private_key_filepath = "localhost-100y.key";
+	}
 
 	context = lws_create_context(&info);
 	if (!context) {