Revert "Stop publish examples to mongoose repo"

This reverts commit 1a17e17c462bdd4e1d26d8742f8b7087273e04c2.

PUBLISHED_FROM=80028de308c9a021955d1425d2bfee8feb85f193

examples/websocket_chat_client/Makefile

@@ -0,0 +1,2 @@
+PROG = websocket_chat_client
+include ../examples.mk

examples/websocket_chat_client/websocket_chat_client.c

@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2016 Cesanta Software Limited
+ * All rights reserved
+ */
+
+/*
+ * This is a WebSocket client example.
+ * Prints WS frames to stdout and forwards stdin to server.
+ */
+
+#include "mongoose.h"
+
+static int s_done = 0;
+static int s_is_connected = 0;
+
+static void ev_handler(struct mg_connection *nc, int ev, void *ev_data) {
+  struct websocket_message *wm = (struct websocket_message *) ev_data;
+  (void) nc;
+
+  switch (ev) {
+    case MG_EV_CONNECT: {
+      int status = *((int *) ev_data);
+      if (status != 0) {
+        printf("-- Connection error: %d\n", status);
+      }
+      break;
+    }
+    case MG_EV_WEBSOCKET_HANDSHAKE_DONE: {
+      printf("-- Connected\n");
+      s_is_connected = 1;
+      break;
+    }
+    case MG_EV_POLL: {
+      char msg[500];
+      int n = 0;
+#ifdef _WIN32 /* Windows console input is special. */
+      INPUT_RECORD inp[100];
+      HANDLE h = GetStdHandle(STD_INPUT_HANDLE);
+      DWORD i, num;
+      if (!PeekConsoleInput(h, inp, sizeof(inp) / sizeof(*inp), &num)) break;
+      for (i = 0; i < num; i++) {
+        if (inp[i].EventType == KEY_EVENT &&
+            inp[i].Event.KeyEvent.wVirtualKeyCode == VK_RETURN) {
+          break;
+        }
+      }
+      if (i == num) break;
+      if (!ReadConsole(h, msg, sizeof(msg), &num, NULL)) break;
+      /* Un-unicode. This is totally not the right way to do it. */
+      for (i = 0; i < num * 2; i += 2) msg[i / 2] = msg[i];
+      n = (int) num;
+#else /* For everybody else, we just read() stdin. */
+      fd_set read_set, write_set, err_set;
+      struct timeval timeout = {0, 0};
+      FD_ZERO(&read_set);
+      FD_ZERO(&write_set);
+      FD_ZERO(&err_set);
+      FD_SET(0 /* stdin */, &read_set);
+      if (select(1, &read_set, &write_set, &err_set, &timeout) == 1) {
+        n = read(0, msg, sizeof(msg));
+      }
+#endif
+      if (n <= 0) break;
+      while (msg[n - 1] == '\r' || msg[n - 1] == '\n') n--;
+      mg_send_websocket_frame(nc, WEBSOCKET_OP_TEXT, msg, n);
+      break;
+    }
+    case MG_EV_WEBSOCKET_FRAME: {
+      printf("%.*s\n", (int) wm->size, wm->data);
+      break;
+    }
+    case MG_EV_CLOSE: {
+      if (s_is_connected) printf("-- Disconnected\n");
+      s_done = 1;
+      break;
+    }
+  }
+}
+
+int main(int argc, char **argv) {
+  struct mg_mgr mgr;
+  struct mg_connection *nc;
+  const char *chat_server_url = argc > 1 ? argv[1] : "ws://127.0.0.1:8000";
+
+  mg_mgr_init(&mgr, NULL);
+
+  nc = mg_connect_ws(&mgr, ev_handler, chat_server_url, "ws_chat", NULL);
+  if (nc == NULL) {
+    fprintf(stderr, "Invalid address\n");
+    return 1;
+  }
+
+  while (!s_done) {
+    mg_mgr_poll(&mgr, 100);
+  }
+  mg_mgr_free(&mgr);
+
+  return 0;
+}