Expose payload to ping/pong events

examples/BroadcastingEchoServer.cpp

@@ -35,10 +35,10 @@ int main() {
         .drain = [](auto */*ws*/) {
             /* Check getBufferedAmount here */
         },
-        .ping = [](auto */*ws*/) {
+        .ping = [](auto */*ws*/, std::string_view) {
 
         },
-        .pong = [](auto */*ws*/) {
+        .pong = [](auto */*ws*/, std::string_view) {
 
         },
         .close = [](auto */*ws*/, int /*code*/, std::string_view /*message*/) {

examples/EchoServer.cpp

@@ -37,10 +37,10 @@ int main() {
         .drain = [](auto */*ws*/) {
             /* Check ws->getBufferedAmount() here */
         },
-        .ping = [](auto */*ws*/) {
+        .ping = [](auto */*ws*/, std::string_view) {
             /* Not implemented yet */
         },
-        .pong = [](auto */*ws*/) {
+        .pong = [](auto */*ws*/, std::string_view) {
             /* Not implemented yet */
         },
         .close = [](auto */*ws*/, int /*code*/, std::string_view /*message*/) {

examples/EchoServerThreaded.cpp

@@ -32,10 +32,10 @@ int main() {
                 .drain = [](auto */*ws*/) {
                     /* Check getBufferedAmount here */
                 },
-                .ping = [](auto */*ws*/) {
+                .ping = [](auto */*ws*/, std::string_view) {
 
                 },
-                .pong = [](auto */*ws*/) {
+                .pong = [](auto */*ws*/, std::string_view) {
 
                 },
                 .close = [](auto */*ws*/, int /*code*/, std::string_view /*message*/) {

examples/UpgradeAsync.cpp

@@ -106,10 +106,10 @@ int main() {
         .drain = [](auto */*ws*/) {
             /* Check ws->getBufferedAmount() here */
         },
-        .ping = [](auto */*ws*/) {
+        .ping = [](auto */*ws*/, std::string_view) {
             /* You don't need to handle this one, we automatically respond to pings as per standard */
         },
-        .pong = [](auto */*ws*/) {
+        .pong = [](auto */*ws*/, std::string_view) {
             /* You don't need to handle this one either */
         },
         .close = [](auto */*ws*/, int /*code*/, std::string_view /*message*/) {

examples/UpgradeSync.cpp

@@ -59,10 +59,10 @@ int main() {
         .drain = [](auto */*ws*/) {
             /* Check ws->getBufferedAmount() here */
         },
-        .ping = [](auto */*ws*/) {
+        .ping = [](auto */*ws*/, std::string_view) {
             /* You don't need to handle this one, we automatically respond to pings as per standard */
         },
-        .pong = [](auto */*ws*/) {
+        .pong = [](auto */*ws*/, std::string_view) {
             /* You don't need to handle this one either */
         },
         .close = [](auto */*ws*/, int /*code*/, std::string_view /*message*/) {