Rename, use hyphen

examples/websocket-server/Makefile

@@ -0,0 +1,10 @@
+PROG ?= example
+
+all: $(PROG)
+	$(DEBUGGER) ./$(PROG) $(ARGS)
+
+$(PROG): main.c
+	$(CC) ../../mongoose.c -I../.. -W -Wall -DMG_ENABLE_LINES=1 -DMG_ENABLE_DIRECTORY_LISTING=1 $(CFLAGS) -o $(PROG) main.c
+
+clean:
+	rm -rf $(PROG) *.o *.dSYM *.gcov *.gcno *.gcda *.obj *.exe *.ilk *.pdb

examples/websocket-server/main.c

@@ -0,0 +1,48 @@
+// Copyright (c) 2020 Cesanta Software Limited
+// All rights reserved
+//
+// Example Websocket server. Usage:
+//  1. Start this server, type `make`
+//  2. Open https://www.websocket.org/echo.html in your browser
+//  3. In the "Location" text field, type ws://127.0.0.1:8000/websocket
+
+#include "mongoose.h"
+
+static const char *s_listen_on = "http://localhost:8000";
+static const char *s_web_directory = ".";
+
+// This RESTful server implements the following endpoints:
+//   /websocket - upgrade to Websocket, and implement websocket echo server
+//   /api/rest - respond with JSON string {"result": 123}
+//   any other URI serves static files from s_web_directory
+static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
+  if (ev == MG_EV_HTTP_MSG) {
+    struct mg_http_message *hm = (struct mg_http_message *) ev_data;
+    if (mg_http_match_uri(hm, "/websocket")) {
+      // Upgrade to websocket. From now on, a connection is a full-duplex
+      // Websocket connection, which will receive MG_EV_WS_MSG events.
+      mg_ws_upgrade(c, hm);
+    } else if (mg_http_match_uri(hm, "/rest")) {
+      // Serve REST response
+      mg_http_reply(c, 200, "{\"result\": %d}\n", 123);
+    } else {
+      // Serve static files
+      mg_http_serve_dir(c, ev_data, s_web_directory);
+    }
+  } else if (ev == MG_EV_WS_MSG) {
+    // Got websocket frame. Received data is wm->data. Echo it back!
+    struct mg_ws_message *wm = (struct mg_ws_message *) ev_data;
+    mg_ws_send(c, wm->data.ptr, wm->data.len, WEBSOCKET_OP_TEXT);
+    mg_iobuf_delete(&c->recv, c->recv.len);
+  }
+  (void) fn_data;
+}
+
+int main(void) {
+  struct mg_mgr mgr;                            // Event manager
+  mg_mgr_init(&mgr);                            // Initialise event manager
+  mg_http_listen(&mgr, s_listen_on, fn, NULL);  // Create HTTP listener
+  for (;;) mg_mgr_poll(&mgr, 1000);             // Infinite event loop
+  mg_mgr_free(&mgr);
+  return 0;
+}