Rename, use hyphen

examples/websocket-client/main.c

@@ -0,0 +1,40 @@
+// Copyright (c) 2020 Cesanta Software Limited
+// All rights reserved
+//
+// Example Websocket client. Usage:
+//    1. Start websocket server: cd ../websocket-server && make
+//    2. In another terminal, start this client: make
+
+#include "mongoose.h"
+
+static const char *s_url = "ws://localhost:8000/websocket";
+
+// Print websocket response and signal that we're done
+static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
+  if (ev == MG_EV_ERROR) {
+    // On error, log error message
+    LOG(LL_ERROR, ("%p %s", c->fd, ev_data));
+  } else if (ev == MG_EV_WS_OPEN) {
+    // When websocket handshake is successful, send message
+    mg_ws_send(c, "hello", 5, WEBSOCKET_OP_TEXT);
+  } else if (ev == MG_EV_WS_MSG) {
+    // When we get echo response, print it
+    struct mg_ws_message *wm = (struct mg_ws_message *) ev_data;
+    printf("GOT ECHO REPLY: [%.*s]\n", (int) wm->data.len, wm->data.ptr);
+  }
+
+  if (ev == MG_EV_ERROR || ev == MG_EV_CLOSE || ev == MG_EV_WS_MSG) {
+    *(bool *) fn_data = true;  // Signal that we're done
+  }
+}
+
+int main(void) {
+  struct mg_mgr mgr;        // Event manager
+  bool done = false;        // Event handler flips it to true
+  struct mg_connection *c;  // Client connection
+  mg_mgr_init(&mgr);        // Initialise event manager
+  c = mg_ws_connect(&mgr, s_url, fn, &done, NULL);     // Create client
+  while (c && done == false) mg_mgr_poll(&mgr, 1000);  // Wait for echo
+  mg_mgr_free(&mgr);                                   // Deallocate resources
+  return 0;
+}