add ws

libs/libwebsockets/test-server/Makefile.am

@@ -0,0 +1,61 @@
+bin_PROGRAMS=libwebsockets-test-server libwebsockets-test-client libwebsockets-test-server-extpoll libwebsockets-test-fraggle
+libwebsockets_test_server_SOURCES=test-server.c
+libwebsockets_test_server_LDADD=-L../lib -lwebsockets -lz
+libwebsockets_test_client_SOURCES=test-client.c
+libwebsockets_test_client_LDADD=-L../lib -lwebsockets -lz
+libwebsockets_test_server_extpoll_SOURCES=test-server-extpoll.c
+libwebsockets_test_server_extpoll_LDADD=-L../lib -lwebsockets -lz
+libwebsockets_test_fraggle_SOURCES=test-fraggle.c
+libwebsockets_test_fraggle_LDADD=-L../lib -lwebsockets -lz
+ 
+if MINGW                                                                        
+libwebsockets_test_server_CFLAGS:= -w  -I../win32port/win32helpers
+libwebsockets_test_client_CFLAGS:= -w   -I../win32port/win32helpers
+libwebsockets_test_server_extpoll_CFLAGS:= -w  -I../win32port/win32helpers
+libwebsockets_test_fraggle_CFLAGS:= -w   -I../win32port/win32helpers
+
+libwebsockets_test_server_LDADD+= -lm -luser32 -ladvapi32 -lkernel32 -lgcc -lws2_32 -lz
+libwebsockets_test_client_LDADD+= -lm -luser32 -ladvapi32 -lkernel32 -lgcc -lws2_32 -lz 
+libwebsockets_test_server_extpoll_LDADD+= -lm -luser32 -ladvapi32 -lkernel32 -lgcc -lws2_32 -lz
+libwebsockets_test_fraggle_LDADD+= -lm -luser32 -ladvapi32 -lkernel32 -lgcc -lws2_32 -lz
+
+else
+libwebsockets_test_server_CFLAGS:= -Werror
+libwebsockets_test_client_CFLAGS:= -Werror
+libwebsockets_test_server_extpoll_CFLAGS:= -Werror
+libwebsockets_test_fraggle_CFLAGS:= -Werror
+endif   
+
+libwebsockets_test_server_CFLAGS+= -Wall -std=gnu99 -pedantic -DINSTALL_DATADIR=\"@datadir@\" -DLWS_OPENSSL_CLIENT_CERTS=\"@clientcertdir@\"
+libwebsockets_test_client_CFLAGS+= -Wall -std=gnu99 -pedantic -DINSTALL_DATADIR=\"@datadir@\" -DLWS_OPENSSL_CLIENT_CERTS=\"@clientcertdir@\"
+libwebsockets_test_server_extpoll_CFLAGS+= -Wall -std=gnu99 -pedantic -DINSTALL_DATADIR=\"@datadir@\" -DLWS_OPENSSL_CLIENT_CERTS=\"@clientcertdir@\"
+libwebsockets_test_fraggle_CFLAGS+= -Wall -std=gnu99 -pedantic -DINSTALL_DATADIR=\"@datadir@\" -DLWS_OPENSSL_CLIENT_CERTS=\"@clientcertdir@\"
+
+
+if NOPING
+else
+bin_PROGRAMS+=libwebsockets-test-ping
+libwebsockets_test_ping_SOURCES=test-ping.c
+libwebsockets_test_ping_LDADD=-L../lib -lwebsockets
+libwebsockets_test_ping_CFLAGS:= -Wall -Werror -std=gnu99 -pedantic -DINSTALL_DATADIR=\"@datadir@\" -DLWS_OPENSSL_CLIENT_CERTS=\"@clientcertdir@\"
+endif
+
+
+#
+# cook a random test cert and key
+# notice your real cert and key will want to be 0600 permissions
+libwebsockets-test-server.pem libwebsockets-test-server.key.pem:
+	printf "GB\nErewhon\nAll around\nlibwebsockets-test\n\nlocalhost\nnone@invalid.org\n" | \
+	openssl req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout \
+	./libwebsockets-test-server.key.pem -out ./libwebsockets-test-server.pem >/dev/null 2>&1  && \
+	chmod 644 	./libwebsockets-test-server.key.pem \
+			./libwebsockets-test-server.pem
+
+clean-local:
+	rm -f ./libwebsockets-test-server.key.pem ./libwebsockets-test-server.pem
+
+install-data-local:libwebsockets-test-server.key.pem libwebsockets-test-server.pem
+	mkdir -p $(DESTDIR)$(datadir)/libwebsockets-test-server
+	cp -a test.html favicon.ico libwebsockets-test-server.key.pem libwebsockets-test-server.pem \
+		$(DESTDIR)$(datadir)/libwebsockets-test-server
+

libs/libwebsockets/test-server/Makefile.in

@@ -0,0 +1,722 @@
+# Makefile.in generated by automake 1.11.3 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
+# Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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+
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+libwebsockets_test_server_SOURCES = test-server.c
+libwebsockets_test_server_LDADD = -L../lib -lwebsockets -lz \
+	$(am__append_1)
+libwebsockets_test_client_SOURCES = test-client.c
+libwebsockets_test_client_LDADD = -L../lib -lwebsockets -lz \
+	$(am__append_2)
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+libwebsockets_test_server_extpoll_LDADD = -L../lib -lwebsockets -lz \
+	$(am__append_3)
+libwebsockets_test_fraggle_SOURCES = test-fraggle.c
+libwebsockets_test_fraggle_LDADD = -L../lib -lwebsockets -lz \
+	$(am__append_4)
+@MINGW_FALSE@libwebsockets_test_server_CFLAGS := -Werror -Wall \
+@MINGW_FALSE@	-std=gnu99 -pedantic \
+@MINGW_FALSE@	-DINSTALL_DATADIR=\"@datadir@\" \
+@MINGW_FALSE@	-DLWS_OPENSSL_CLIENT_CERTS=\"@clientcertdir@\"
+@MINGW_TRUE@libwebsockets_test_server_CFLAGS := -w \
+@MINGW_TRUE@	-I../win32port/win32helpers -Wall -std=gnu99 \
+@MINGW_TRUE@	-pedantic -DINSTALL_DATADIR=\"@datadir@\" \
+@MINGW_TRUE@	-DLWS_OPENSSL_CLIENT_CERTS=\"@clientcertdir@\"
+@MINGW_FALSE@libwebsockets_test_client_CFLAGS := -Werror -Wall \
+@MINGW_FALSE@	-std=gnu99 -pedantic \
+@MINGW_FALSE@	-DINSTALL_DATADIR=\"@datadir@\" \
+@MINGW_FALSE@	-DLWS_OPENSSL_CLIENT_CERTS=\"@clientcertdir@\"
+@MINGW_TRUE@libwebsockets_test_client_CFLAGS := -w \
+@MINGW_TRUE@	-I../win32port/win32helpers -Wall -std=gnu99 \
+@MINGW_TRUE@	-pedantic -DINSTALL_DATADIR=\"@datadir@\" \
+@MINGW_TRUE@	-DLWS_OPENSSL_CLIENT_CERTS=\"@clientcertdir@\"
+@MINGW_FALSE@libwebsockets_test_server_extpoll_CFLAGS := -Werror -Wall \
+@MINGW_FALSE@	-std=gnu99 -pedantic \
+@MINGW_FALSE@	-DINSTALL_DATADIR=\"@datadir@\" \
+@MINGW_FALSE@	-DLWS_OPENSSL_CLIENT_CERTS=\"@clientcertdir@\"
+@MINGW_TRUE@libwebsockets_test_server_extpoll_CFLAGS := -w \
+@MINGW_TRUE@	-I../win32port/win32helpers -Wall -std=gnu99 \
+@MINGW_TRUE@	-pedantic -DINSTALL_DATADIR=\"@datadir@\" \
+@MINGW_TRUE@	-DLWS_OPENSSL_CLIENT_CERTS=\"@clientcertdir@\"
+@MINGW_FALSE@libwebsockets_test_fraggle_CFLAGS := -Werror -Wall \
+@MINGW_FALSE@	-std=gnu99 -pedantic \
+@MINGW_FALSE@	-DINSTALL_DATADIR=\"@datadir@\" \
+@MINGW_FALSE@	-DLWS_OPENSSL_CLIENT_CERTS=\"@clientcertdir@\"
+@MINGW_TRUE@libwebsockets_test_fraggle_CFLAGS := -w \
+@MINGW_TRUE@	-I../win32port/win32helpers -Wall -std=gnu99 \
+@MINGW_TRUE@	-pedantic -DINSTALL_DATADIR=\"@datadir@\" \
+@MINGW_TRUE@	-DLWS_OPENSSL_CLIENT_CERTS=\"@clientcertdir@\"
+@NOPING_FALSE@libwebsockets_test_ping_SOURCES = test-ping.c
+@NOPING_FALSE@libwebsockets_test_ping_LDADD = -L../lib -lwebsockets
+@NOPING_FALSE@libwebsockets_test_ping_CFLAGS := -Wall -Werror -std=gnu99 -pedantic -DINSTALL_DATADIR=\"@datadir@\" -DLWS_OPENSSL_CLIENT_CERTS=\"@clientcertdir@\"
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign test-server/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign test-server/Makefile
+.PRECIOUS: Makefile
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+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
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+
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+	sed 's/$(EXEEXT)$$//' | \
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+	done | \
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+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
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+	while read type dir files; do \
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+	    test -z "$$files" || { \
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+	    $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(bindir)$$dir" || exit $$?; \
+	    } \
+	; done
+
+uninstall-binPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' `; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(bindir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(bindir)" && rm -f $$files
+
+clean-binPROGRAMS:
+	@list='$(bin_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
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+clean: clean-am
+
+clean-am: clean-binPROGRAMS clean-generic clean-libtool clean-local \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am: install-data-local
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am: install-binPROGRAMS
+
+install-html: install-html-am
+
+install-html-am:
+
+install-info: install-info-am
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-binPROGRAMS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-binPROGRAMS \
+	clean-generic clean-libtool clean-local ctags distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-binPROGRAMS install-data \
+	install-data-am install-data-local install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags uninstall uninstall-am uninstall-binPROGRAMS
+
+
+#
+# cook a random test cert and key
+# notice your real cert and key will want to be 0600 permissions
+libwebsockets-test-server.pem libwebsockets-test-server.key.pem:
+	printf "GB\nErewhon\nAll around\nlibwebsockets-test\n\nlocalhost\nnone@invalid.org\n" | \
+	openssl req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout \
+	./libwebsockets-test-server.key.pem -out ./libwebsockets-test-server.pem >/dev/null 2>&1  && \
+	chmod 644 	./libwebsockets-test-server.key.pem \
+			./libwebsockets-test-server.pem
+
+clean-local:
+	rm -f ./libwebsockets-test-server.key.pem ./libwebsockets-test-server.pem
+
+install-data-local:libwebsockets-test-server.key.pem libwebsockets-test-server.pem
+	mkdir -p $(DESTDIR)$(datadir)/libwebsockets-test-server
+	cp -a test.html favicon.ico libwebsockets-test-server.key.pem libwebsockets-test-server.pem \
+		$(DESTDIR)$(datadir)/libwebsockets-test-server
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

libs/libwebsockets/test-server/test-client.c

@@ -0,0 +1,341 @@
+/*
+ * libwebsockets-test-client - libwebsockets test implementation
+ *
+ * Copyright (C) 2011 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <string.h>
+
+#include "../lib/libwebsockets.h"
+
+static unsigned int opts;
+static int was_closed;
+static int deny_deflate;
+static int deny_mux;
+static struct libwebsocket *wsi_mirror;
+
+/*
+ * This demo shows how to connect multiple websockets simultaneously to a
+ * websocket server (there is no restriction on their having to be the same
+ * server just it simplifies the demo).
+ *
+ *  dumb-increment-protocol:  we connect to the server and print the number
+ *				we are given
+ *
+ *  lws-mirror-protocol: draws random circles, which are mirrored on to every
+ *				client (see them being drawn in every browser
+ *				session also using the test server)
+ */
+
+enum demo_protocols {
+
+	PROTOCOL_DUMB_INCREMENT,
+	PROTOCOL_LWS_MIRROR,
+
+	/* always last */
+	DEMO_PROTOCOL_COUNT
+};
+
+
+/* dumb_increment protocol */
+
+static int
+callback_dumb_increment(struct libwebsocket_context *this,
+			struct libwebsocket *wsi,
+			enum libwebsocket_callback_reasons reason,
+					       void *user, void *in, size_t len)
+{
+	switch (reason) {
+
+	case LWS_CALLBACK_CLOSED:
+		fprintf(stderr, "LWS_CALLBACK_CLOSED\n");
+		was_closed = 1;
+		break;
+
+	case LWS_CALLBACK_CLIENT_RECEIVE:
+		((char *)in)[len] = '\0';
+		fprintf(stderr, "rx %d '%s'\n", (int)len, (char *)in);
+		break;
+
+	/* because we are protocols[0] ... */
+
+	case LWS_CALLBACK_CLIENT_CONFIRM_EXTENSION_SUPPORTED:
+		if ((strcmp(in, "deflate-stream") == 0) && deny_deflate) {
+			fprintf(stderr, "denied deflate-stream extension\n");
+			return 1;
+		}
+		if ((strcmp(in, "x-google-mux") == 0) && deny_mux) {
+			fprintf(stderr, "denied x-google-mux extension\n");
+			return 1;
+		}
+
+		break;
+
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+
+/* lws-mirror_protocol */
+
+
+static int
+callback_lws_mirror(struct libwebsocket_context *this,
+			struct libwebsocket *wsi,
+			enum libwebsocket_callback_reasons reason,
+					       void *user, void *in, size_t len)
+{
+	unsigned char buf[LWS_SEND_BUFFER_PRE_PADDING + 4096 +
+						  LWS_SEND_BUFFER_POST_PADDING];
+	int l;
+
+	switch (reason) {
+
+	case LWS_CALLBACK_CLOSED:
+		fprintf(stderr, "mirror: LWS_CALLBACK_CLOSED\n");
+		wsi_mirror = NULL;
+		break;
+
+	case LWS_CALLBACK_CLIENT_ESTABLISHED:
+
+		/*
+		 * start the ball rolling,
+		 * LWS_CALLBACK_CLIENT_WRITEABLE will come next service
+		 */
+
+		libwebsocket_callback_on_writable(this, wsi);
+		break;
+
+	case LWS_CALLBACK_CLIENT_RECEIVE:
+/*		fprintf(stderr, "rx %d '%s'\n", (int)len, (char *)in); */
+		break;
+
+	case LWS_CALLBACK_CLIENT_WRITEABLE:
+
+		l = sprintf((char *)&buf[LWS_SEND_BUFFER_PRE_PADDING],
+					"c #%06X %d %d %d;",
+					(int)random() & 0xffffff,
+					(int)random() % 500,
+					(int)random() % 250,
+					(int)random() % 24);
+
+		libwebsocket_write(wsi,
+		   &buf[LWS_SEND_BUFFER_PRE_PADDING], l, opts | LWS_WRITE_TEXT);
+
+		/* get notified as soon as we can write again */
+
+		libwebsocket_callback_on_writable(this, wsi);
+
+		/*
+		 * without at least this delay, we choke the browser
+		 * and the connection stalls, despite we now take care about
+		 * flow control
+		 */
+
+		usleep(200);
+		break;
+
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+
+/* list of supported protocols and callbacks */
+
+static struct libwebsocket_protocols protocols[] = {
+	{
+		"dumb-increment-protocol",
+		callback_dumb_increment,
+		0,
+	},
+	{
+		"lws-mirror-protocol",
+		callback_lws_mirror,
+		0,
+	},
+	{  /* end of list */
+		NULL,
+		NULL,
+		0
+	}
+};
+
+static struct option options[] = {
+	{ "help",	no_argument,		NULL, 'h' },
+	{ "port",	required_argument,	NULL, 'p' },
+	{ "ssl",	no_argument,		NULL, 's' },
+	{ "killmask",	no_argument,		NULL, 'k' },
+	{ "version",	required_argument,	NULL, 'v' },
+	{ "undeflated",	no_argument,		NULL, 'u' },
+	{ "nomux",	no_argument,		NULL, 'n' },
+	{ NULL, 0, 0, 0 }
+};
+
+
+int main(int argc, char **argv)
+{
+	int n = 0;
+	int port = 7681;
+	int use_ssl = 0;
+	struct libwebsocket_context *context;
+	const char *address;
+	struct libwebsocket *wsi_dumb;
+	int ietf_version = -1; /* latest */
+	int mirror_lifetime = 0;
+
+	fprintf(stderr, "libwebsockets test client\n"
+			"(C) Copyright 2010 Andy Green <andy@warmcat.com> "
+						    "licensed under LGPL2.1\n");
+
+	if (argc < 2)
+		goto usage;
+
+	while (n >= 0) {
+		n = getopt_long(argc, argv, "nuv:khsp:", options, NULL);
+		if (n < 0)
+			continue;
+		switch (n) {
+		case 's':
+			use_ssl = 2; /* 2 = allow selfsigned */
+			break;
+		case 'p':
+			port = atoi(optarg);
+			break;
+		case 'k':
+			opts = LWS_WRITE_CLIENT_IGNORE_XOR_MASK;
+			break;
+		case 'v':
+			ietf_version = atoi(optarg);
+			break;
+		case 'u':
+			deny_deflate = 1;
+			break;
+		case 'n':
+			deny_mux = 1;
+			break;
+		case 'h':
+			goto usage;
+		}
+	}
+
+	if (optind >= argc)
+		goto usage;
+
+	address = argv[optind];
+
+	/*
+	 * create the websockets context.  This tracks open connections and
+	 * knows how to route any traffic and which protocol version to use,
+	 * and if each connection is client or server side.
+	 *
+	 * For this client-only demo, we tell it to not listen on any port.
+	 */
+
+	context = libwebsocket_create_context(CONTEXT_PORT_NO_LISTEN, NULL,
+				protocols, libwebsocket_internal_extensions,
+							 NULL, NULL, -1, -1, 0);
+	if (context == NULL) {
+		fprintf(stderr, "Creating libwebsocket context failed\n");
+		return 1;
+	}
+
+
+	/* create a client websocket using dumb increment protocol */
+
+	wsi_dumb = libwebsocket_client_connect(context, address, port, use_ssl,
+			"/", argv[optind], argv[optind],
+			 protocols[PROTOCOL_DUMB_INCREMENT].name, ietf_version);
+
+	if (wsi_dumb == NULL) {
+		fprintf(stderr, "libwebsocket dumb connect failed\n");
+		return -1;
+	}
+
+	fprintf(stderr, "Websocket connections opened\n");
+
+	/*
+	 * sit there servicing the websocket context to handle incoming
+	 * packets, and drawing random circles on the mirror protocol websocket
+	 */
+
+	n = 0;
+	while (n >= 0 && !was_closed) {
+		n = libwebsocket_service(context, 1000);
+
+		if (n < 0)
+			continue;
+
+		if (wsi_mirror == NULL) {
+
+			/* create a client websocket using mirror protocol */
+
+			wsi_mirror = libwebsocket_client_connect(context,
+				address, port, use_ssl,  "/",
+				argv[optind], argv[optind],
+				protocols[PROTOCOL_LWS_MIRROR].name,
+								 ietf_version);
+
+			if (wsi_mirror == NULL) {
+				fprintf(stderr, "libwebsocket "
+						      "dumb connect failed\n");
+				return -1;
+			}
+
+			mirror_lifetime = 10 + (random() & 1023);
+
+			fprintf(stderr, "opened mirror connection with "
+					     "%d lifetime\n", mirror_lifetime);
+
+		} else {
+
+			mirror_lifetime--;
+			if (mirror_lifetime == 0) {
+				fprintf(stderr, "closing mirror session\n");
+				libwebsocket_close_and_free_session(context,
+					wsi_mirror, LWS_CLOSE_STATUS_GOINGAWAY);
+
+				/*
+				 * wsi_mirror will get set to NULL in
+				 * callback when close completes
+				 */
+			}
+		}
+	}
+
+	fprintf(stderr, "Exiting\n");
+
+	libwebsocket_context_destroy(context);
+
+	return 0;
+
+usage:
+	fprintf(stderr, "Usage: libwebsockets-test-client "
+					     "<server address> [--port=<p>] "
+					     "[--ssl] [-k] [-v <ver>]\n");
+	return 1;
+}

libs/libwebsockets/test-server/test-fraggle.c

@@ -0,0 +1,333 @@
+/*
+ * libwebsockets-test-fraggle - random fragmentation test
+ *
+ * Copyright (C) 2010-2011 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <string.h>
+#include <sys/time.h>
+
+#include "../lib/libwebsockets.h"
+
+#define LOCAL_RESOURCE_PATH INSTALL_DATADIR"/libwebsockets-test-server"
+
+static int client;
+static int terminate;
+
+enum demo_protocols {
+	PROTOCOL_FRAGGLE,
+
+	/* always last */
+	DEMO_PROTOCOL_COUNT
+};
+
+/* fraggle protocol */
+
+enum fraggle_states {
+	FRAGSTATE_START_MESSAGE,
+	FRAGSTATE_RANDOM_PAYLOAD,
+	FRAGSTATE_POST_PAYLOAD_SUM,
+};
+
+struct per_session_data__fraggle {
+	int packets_left;
+	int total_message;
+	unsigned long sum;
+	enum fraggle_states state;
+};
+
+static int
+callback_fraggle(struct libwebsocket_context *context,
+			struct libwebsocket *wsi,
+			enum libwebsocket_callback_reasons reason,
+					       void *user, void *in, size_t len)
+{
+	int n;
+	unsigned char buf[LWS_SEND_BUFFER_PRE_PADDING + 2048 +
+						  LWS_SEND_BUFFER_POST_PADDING];
+	struct per_session_data__fraggle *psf = user;
+	int chunk;
+	int write_mode = LWS_WRITE_CONTINUATION;
+	unsigned long sum;
+	unsigned char *p = (unsigned char *)in;
+	unsigned char *bp = &buf[LWS_SEND_BUFFER_PRE_PADDING];
+
+	switch (reason) {
+
+	case LWS_CALLBACK_ESTABLISHED:
+
+		fprintf(stderr, "server sees client connect\n");
+		psf->state = FRAGSTATE_START_MESSAGE;
+		/* start the ball rolling */
+		libwebsocket_callback_on_writable(context, wsi);
+		break;
+
+	case LWS_CALLBACK_CLIENT_ESTABLISHED:
+
+		fprintf(stderr, "client connects to server\n");
+		psf->state = FRAGSTATE_START_MESSAGE;
+		break;
+
+	case LWS_CALLBACK_CLIENT_RECEIVE:
+
+		switch (psf->state) {
+
+		case FRAGSTATE_START_MESSAGE:
+
+			psf->state = FRAGSTATE_RANDOM_PAYLOAD;
+			psf->sum = 0;
+			psf->total_message = 0;
+			psf->packets_left = 0;
+
+			/* fallthru */
+
+		case FRAGSTATE_RANDOM_PAYLOAD:
+
+			for (n = 0; n < len; n++)
+				psf->sum += p[n];
+
+			psf->total_message += len;
+			psf->packets_left++;
+
+			if (libwebsocket_is_final_fragment(wsi))
+				psf->state = FRAGSTATE_POST_PAYLOAD_SUM;
+			break;
+
+		case FRAGSTATE_POST_PAYLOAD_SUM:
+
+			sum = p[0] << 24;
+			sum |= p[1] << 16;
+			sum |= p[2] << 8;
+			sum |= p[3];
+			if (sum == psf->sum)
+				fprintf(stderr, "EOM received %d correctly "
+						"from %d fragments\n",
+					psf->total_message, psf->packets_left);
+			else
+				fprintf(stderr, "**** ERROR at EOM: "
+						"length %d, rx sum = 0x%lX, "
+						"server says it sent 0x%lX\n",
+					     psf->total_message, psf->sum, sum);
+
+			psf->state = FRAGSTATE_START_MESSAGE;
+			break;
+		}
+		break;
+
+	case LWS_CALLBACK_SERVER_WRITEABLE:
+
+		switch (psf->state) {
+
+		case FRAGSTATE_START_MESSAGE:
+
+			psf->packets_left = (random() % 1024) + 1;
+			fprintf(stderr, "Spamming %d random fragments\n",
+							     psf->packets_left);
+			psf->sum = 0;
+			psf->total_message = 0;
+			write_mode = LWS_WRITE_BINARY;
+			psf->state = FRAGSTATE_RANDOM_PAYLOAD;
+
+			/* fallthru */
+
+		case FRAGSTATE_RANDOM_PAYLOAD:
+
+			chunk = (random() % 2000) + 1;
+			psf->total_message += chunk;
+
+			libwebsockets_get_random(context, bp, chunk);
+			for (n = 0; n < chunk; n++)
+				psf->sum += bp[n];
+
+			psf->packets_left--;
+			if (psf->packets_left)
+				write_mode |= LWS_WRITE_NO_FIN;
+			else
+				psf->state = FRAGSTATE_POST_PAYLOAD_SUM;
+
+			n = libwebsocket_write(wsi, bp, chunk, write_mode);
+
+			libwebsocket_callback_on_writable(context, wsi);
+			break;
+
+		case FRAGSTATE_POST_PAYLOAD_SUM:
+
+			fprintf(stderr, "Spamming session over, "
+					"len = %d. sum = 0x%lX\n",
+						  psf->total_message, psf->sum);
+
+			bp[0] = psf->sum >> 24;
+			bp[1] = psf->sum >> 16;
+			bp[2] = psf->sum >> 8;
+			bp[3] = psf->sum;
+
+			n = libwebsocket_write(wsi, (unsigned char *)bp,
+							   4, LWS_WRITE_BINARY);
+
+			psf->state = FRAGSTATE_START_MESSAGE;
+
+			libwebsocket_callback_on_writable(context, wsi);
+			break;
+		}
+		break;
+
+	case LWS_CALLBACK_CLOSED:
+
+		terminate = 1;
+		break;
+
+	/* because we are protocols[0] ... */
+
+	case LWS_CALLBACK_CLIENT_CONFIRM_EXTENSION_SUPPORTED:
+		if (strcmp(in, "deflate-stream") == 0) {
+			fprintf(stderr, "denied deflate-stream extension\n");
+			return 1;
+		}
+		break;
+
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+
+
+/* list of supported protocols and callbacks */
+
+static struct libwebsocket_protocols protocols[] = {
+	{
+		"fraggle-protocol",
+		callback_fraggle,
+		sizeof(struct per_session_data__fraggle),
+	},
+	{
+		NULL, NULL, 0		/* End of list */
+	}
+};
+
+static struct option options[] = {
+	{ "help",	no_argument,		NULL, 'h' },
+	{ "port",	required_argument,	NULL, 'p' },
+	{ "ssl",	no_argument,		NULL, 's' },
+	{ "killmask",	no_argument,		NULL, 'k' },
+	{ "interface",  required_argument,	NULL, 'i' },
+	{ "client",	no_argument,		NULL, 'c' },
+	{ NULL, 0, 0, 0 }
+};
+
+int main(int argc, char **argv)
+{
+	int n = 0;
+	const char *cert_path =
+			    LOCAL_RESOURCE_PATH"/libwebsockets-test-server.pem";
+	const char *key_path =
+			LOCAL_RESOURCE_PATH"/libwebsockets-test-server.key.pem";
+	int port = 7681;
+	int use_ssl = 0;
+	struct libwebsocket_context *context;
+	int opts = 0;
+	char interface_name[128] = "";
+	const char *interface = NULL;
+	struct libwebsocket *wsi;
+	const char *address;
+	int server_port = port;
+
+	fprintf(stderr, "libwebsockets test fraggle\n"
+			"(C) Copyright 2010-2011 Andy Green <andy@warmcat.com> "
+						    "licensed under LGPL2.1\n");
+
+	while (n >= 0) {
+		n = getopt_long(argc, argv, "ci:khsp:", options, NULL);
+		if (n < 0)
+			continue;
+		switch (n) {
+		case 's':
+			use_ssl = 1;
+			break;
+		case 'k':
+			opts = LWS_SERVER_OPTION_DEFEAT_CLIENT_MASK;
+			break;
+		case 'p':
+			port = atoi(optarg);
+			server_port = port;
+			break;
+		case 'i':
+			strncpy(interface_name, optarg, sizeof interface_name);
+			interface_name[(sizeof interface_name) - 1] = '\0';
+			interface = interface_name;
+			break;
+		case 'c':
+			client = 1;
+			fprintf(stderr, " Client mode\n");
+			break;
+		case 'h':
+			fprintf(stderr, "Usage: libwebsockets-test-fraggle "
+					   "[--port=<p>] [--ssl] [--client]\n");
+			exit(1);
+		}
+	}
+
+	if (client) {
+		server_port = CONTEXT_PORT_NO_LISTEN;
+		if (optind >= argc) {
+			fprintf(stderr, "Must give address of server\n");
+			return 1;
+		}
+	}
+
+	if (!use_ssl)
+		cert_path = key_path = NULL;
+
+	context = libwebsocket_create_context(server_port, interface, protocols,
+				libwebsocket_internal_extensions,
+				cert_path, key_path, -1, -1, opts);
+	if (context == NULL) {
+		fprintf(stderr, "libwebsocket init failed\n");
+		return -1;
+	}
+
+	if (client) {
+		address = argv[optind];
+		fprintf(stderr, "Connecting to %s:%u\n", address, port);
+		wsi = libwebsocket_client_connect(context, address,
+						   port, use_ssl, "/", address,
+				 "origin", protocols[PROTOCOL_FRAGGLE].name,
+								  -1);
+		if (wsi == NULL) {
+			fprintf(stderr, "Client connect to server failed\n");
+			goto bail;
+		}
+	}
+
+	n = 0;
+	while (!n && !terminate)
+		n = libwebsocket_service(context, 50);
+
+	fprintf(stderr, "Terminating...\n");
+
+bail:
+	libwebsocket_context_destroy(context);
+
+	return 0;
+}

libs/libwebsockets/test-server/test-ping.c

@@ -0,0 +1,512 @@
+/*
+ * libwebsockets-test-ping - libwebsockets floodping
+ *
+ * Copyright (C) 2011 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <string.h>
+#include <signal.h>
+#include <unistd.h>
+
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+
+#include <sys/ioctl.h>
+
+#include "../lib/libwebsockets.h"
+#include <poll.h>
+
+/*
+ * this is specified in the 04 standard, control frames can only have small
+ * payload length styles
+ */
+#define MAX_PING_PAYLOAD 125
+#define MAX_MIRROR_PAYLOAD 4096
+#define MAX_PING_CLIENTS 256
+#define PING_RINGBUFFER_SIZE 256
+
+static struct libwebsocket *ping_wsi[MAX_PING_CLIENTS];
+static unsigned int interval_us = 1000000;
+static unsigned int size = 64;
+static int flood;
+static const char *address;
+static unsigned char pingbuf[LWS_SEND_BUFFER_PRE_PADDING + MAX_MIRROR_PAYLOAD +
+						  LWS_SEND_BUFFER_POST_PADDING];
+static char peer_name[128];
+static unsigned long started;
+static int screen_width = 80;
+static int use_mirror;
+static unsigned int write_options;
+
+static unsigned long rtt_min = 100000000;
+static unsigned long rtt_max;
+static unsigned long rtt_avg;
+static unsigned long global_rx_count;
+static unsigned long global_tx_count;
+static int clients = 1;
+static unsigned long interrupted_time;
+
+struct ping {
+	unsigned long issue_timestamp;
+	unsigned long index;
+	unsigned int seen;
+};
+
+struct per_session_data__ping {
+	unsigned long ping_index;
+
+	struct ping ringbuffer[PING_RINGBUFFER_SIZE];
+	int ringbuffer_head;
+	int ringbuffer_tail;
+
+	unsigned long rx_count;
+};
+
+/*
+ * uses the ping pong protocol features to provide an equivalent for the
+ * ping utility for 04+ websockets
+ */
+
+enum demo_protocols {
+
+	PROTOCOL_LWS_MIRROR,
+
+	/* always last */
+	DEMO_PROTOCOL_COUNT
+};
+
+
+static int
+callback_lws_mirror(struct libwebsocket_context * this,
+			struct libwebsocket *wsi,
+			enum libwebsocket_callback_reasons reason,
+					       void *user, void *in, size_t len)
+{
+	struct timeval tv;
+	unsigned char *p;
+	int shift;
+	unsigned long l;
+	unsigned long iv;
+	int n;
+	int match = 0;
+	struct per_session_data__ping *psd = user;
+
+	switch (reason) {
+	case LWS_CALLBACK_CLOSED:
+
+		fprintf(stderr, "LWS_CALLBACK_CLOSED on %p\n", (void *)wsi);
+
+		/* remove closed guy */
+	
+		for (n = 0; n < clients; n++)
+			if (ping_wsi[n] == wsi) {				
+				clients--;
+				while (n < clients) {
+					ping_wsi[n] = ping_wsi[n + 1];
+					n++;
+				}
+			}
+
+		break;
+
+	case LWS_CALLBACK_CLIENT_ESTABLISHED:
+
+		psd->rx_count = 0;
+		psd->ping_index = 1;
+		psd->ringbuffer_head = 0;
+		psd->ringbuffer_tail = 0;
+
+		/*
+		 * start the ball rolling,
+		 * LWS_CALLBACK_CLIENT_WRITEABLE will come next service
+		 */
+
+		libwebsocket_callback_on_writable(this, wsi);
+		break;
+
+	case LWS_CALLBACK_CLIENT_RECEIVE:
+	case LWS_CALLBACK_CLIENT_RECEIVE_PONG:
+		gettimeofday(&tv, NULL);
+		iv = (tv.tv_sec * 1000000) + tv.tv_usec;
+
+		psd->rx_count++;
+
+		shift = 56;
+		p = in;
+		l = 0;
+
+		while (shift >= 0) {
+			l |= (*p++) << shift;
+			shift -= 8;
+		}
+
+		/* find it in the ringbuffer, look backwards from head */
+		n = psd->ringbuffer_head;
+		while (!match) {
+
+			if (psd->ringbuffer[n].index == l) {
+				psd->ringbuffer[n].seen++;
+				match = 1;
+				continue;
+			}
+
+			if (n == psd->ringbuffer_tail) {
+				match = -1;
+				continue;
+			}
+
+			if (n == 0)
+				n = PING_RINGBUFFER_SIZE - 1;
+			else
+				n--;
+		}
+
+		if (match < 1) {
+
+			if (!flood)
+				fprintf(stderr, "%d bytes from %s: req=%ld "
+				      "time=(unknown)\n", (int)len, address, l);
+			else
+				fprintf(stderr, "\b \b");
+
+			break;
+		}
+
+		if (psd->ringbuffer[n].seen > 1)
+			fprintf(stderr, "DUP! ");
+
+		if ((iv - psd->ringbuffer[n].issue_timestamp) < rtt_min)
+			rtt_min = iv - psd->ringbuffer[n].issue_timestamp;
+
+		if ((iv - psd->ringbuffer[n].issue_timestamp) > rtt_max)
+			rtt_max = iv - psd->ringbuffer[n].issue_timestamp;
+
+		rtt_avg += iv - psd->ringbuffer[n].issue_timestamp;
+		global_rx_count++;
+
+		if (!flood)
+			fprintf(stderr, "%d bytes from %s: req=%ld "
+				"time=%lu.%lums\n", (int)len, address, l,
+			       (iv - psd->ringbuffer[n].issue_timestamp) / 1000,
+			((iv - psd->ringbuffer[n].issue_timestamp) / 100) % 10);
+		else
+			fprintf(stderr, "\b \b");
+		break;
+
+	case LWS_CALLBACK_CLIENT_WRITEABLE:
+
+		shift = 56;
+		p = &pingbuf[LWS_SEND_BUFFER_PRE_PADDING];
+
+		/* 64-bit ping index in network byte order */
+
+		while (shift >= 0) {
+			*p++ = psd->ping_index >> shift;
+			shift -= 8;
+		}
+
+		gettimeofday(&tv, NULL);
+
+		psd->ringbuffer[psd->ringbuffer_head].issue_timestamp =
+					     (tv.tv_sec * 1000000) + tv.tv_usec;
+		psd->ringbuffer[psd->ringbuffer_head].index = psd->ping_index++;
+		psd->ringbuffer[psd->ringbuffer_head].seen = 0;
+
+		if (psd->ringbuffer_head == PING_RINGBUFFER_SIZE - 1)
+			psd->ringbuffer_head = 0;
+		else
+			psd->ringbuffer_head++;
+
+		/* snip any re-used tail so we keep to the ring length */
+
+		if (psd->ringbuffer_tail == psd->ringbuffer_head) {
+			if (psd->ringbuffer_tail == PING_RINGBUFFER_SIZE - 1)
+				psd->ringbuffer_tail = 0;
+			else
+				psd->ringbuffer_tail++;
+		}
+
+		global_tx_count++;
+
+		if (use_mirror)
+			libwebsocket_write(wsi,
+				&pingbuf[LWS_SEND_BUFFER_PRE_PADDING],
+					size, write_options | LWS_WRITE_BINARY);
+		else
+			libwebsocket_write(wsi,
+				&pingbuf[LWS_SEND_BUFFER_PRE_PADDING],
+					size, write_options | LWS_WRITE_PING);
+
+		if (flood &&
+			 (psd->ping_index - psd->rx_count) < (screen_width - 1))
+			fprintf(stderr, ".");
+		break;
+
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+
+/* list of supported protocols and callbacks */
+
+static struct libwebsocket_protocols protocols[] = {
+
+	[PROTOCOL_LWS_MIRROR] = {
+		.name = "lws-mirror-protocol",
+		.callback = callback_lws_mirror,
+		.per_session_data_size = sizeof (struct per_session_data__ping),
+	},
+	[DEMO_PROTOCOL_COUNT] = {  /* end of list */
+		.callback = NULL
+	}
+};
+
+static struct option options[] = {
+	{ "help",	no_argument,		NULL, 'h' },
+	{ "port",	required_argument,	NULL, 'p' },
+	{ "ssl",	no_argument,		NULL, 't' },
+	{ "interval",	required_argument,	NULL, 'i' },
+	{ "size",	required_argument,	NULL, 's' },
+	{ "protocol",	required_argument,	NULL, 'n' },
+	{ "flood",	no_argument,		NULL, 'f' },
+	{ "mirror",	no_argument,		NULL, 'm' },
+	{ "replicate",	required_argument,	NULL, 'r' },
+	{ "killmask",	no_argument,		NULL, 'k' },
+	{ "version",	required_argument,	NULL, 'v' },
+	{ NULL, 0, 0, 0 }
+};
+
+
+static void
+signal_handler(int sig, siginfo_t *si, void *v)
+{
+	struct timeval tv;
+
+	gettimeofday(&tv, NULL);
+	interrupted_time = (tv.tv_sec * 1000000) + tv.tv_usec;
+}
+
+
+int main(int argc, char **argv)
+{
+	int n = 0;
+	int port = 7681;
+	int use_ssl = 0;
+	struct libwebsocket_context *context;
+	char protocol_name[256];
+	char ip[30];
+	struct sigaction sa;
+	struct timeval tv;
+	struct winsize w;
+	unsigned long oldus = 0;
+	unsigned long l;
+	int ietf_version = -1;
+
+	if (argc < 2)
+		goto usage;
+
+	address = argv[1];
+	optind++;
+
+	while (n >= 0) {
+		n = getopt_long(argc, argv, "v:kr:hmfts:n:i:p:", options, NULL);
+		if (n < 0)
+			continue;
+		switch (n) {
+		case 'm':
+			use_mirror = 1;
+			break;
+		case 't':
+			use_ssl = 2; /* 2 = allow selfsigned */
+			break;
+		case 'p':
+			port = atoi(optarg);
+			break;
+		case 'n':
+			strncpy(protocol_name, optarg, sizeof protocol_name);
+			protocol_name[(sizeof protocol_name) - 1] = '\0';
+			protocols[PROTOCOL_LWS_MIRROR].name = protocol_name;
+			break;
+		case 'i':
+			interval_us = 1000000.0 * atof(optarg);
+			break;
+		case 's':
+			size = atoi(optarg);
+			break;
+		case 'f':
+			flood = 1;
+			break;
+		case 'r':
+			clients = atoi(optarg);
+			if (clients > MAX_PING_CLIENTS || clients < 1) {
+				fprintf(stderr, "Max clients supportd = %d\n",
+							      MAX_PING_CLIENTS);
+				return 1;
+			}
+			break;
+		case 'k':
+			write_options = LWS_WRITE_CLIENT_IGNORE_XOR_MASK;
+			break;
+		case 'v':
+			ietf_version = atoi(optarg);
+			break;
+
+		case 'h':
+			goto usage;
+		}
+	}
+
+	if (!use_mirror) {
+		if (size > MAX_PING_PAYLOAD) {
+			fprintf(stderr, "Max ping opcode payload size %d\n",
+							      MAX_PING_PAYLOAD);
+			return 1;
+		}
+	} else {
+		if (size > MAX_MIRROR_PAYLOAD) {
+			fprintf(stderr, "Max mirror payload size %d\n",
+							    MAX_MIRROR_PAYLOAD);
+			return 1;
+		}
+	}
+
+
+	if (isatty(STDOUT_FILENO))
+		if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1)
+			if (w.ws_col > 0)
+				screen_width = w.ws_col;
+
+	context = libwebsocket_create_context(CONTEXT_PORT_NO_LISTEN, NULL,
+					      protocols,
+					      libwebsocket_internal_extensions,
+					      NULL, NULL, -1, -1, 0);
+	if (context == NULL) {
+		fprintf(stderr, "Creating libwebsocket context failed\n");
+		return 1;
+	}
+
+	/* create client websockets using dumb increment protocol */
+
+	for (n = 0; n < clients; n++) {
+		ping_wsi[n] = libwebsocket_client_connect(context, address,
+						   port, use_ssl, "/", address,
+				 "origin", protocols[PROTOCOL_LWS_MIRROR].name,
+								  ietf_version);
+		if (ping_wsi[n] == NULL) {
+			fprintf(stderr, "client connnection %d failed to "
+								"connect\n", n);
+			return 1;
+		}
+	}
+
+	libwebsockets_get_peer_addresses(
+			libwebsocket_get_socket_fd(ping_wsi[0]),
+				    peer_name, sizeof peer_name, ip, sizeof ip);
+
+	fprintf(stderr, "Websocket PING %s (%s) %d bytes of data.\n",
+							   peer_name, ip, size);
+
+	/* set the ^C handler */
+
+	sa.sa_sigaction = signal_handler;
+	sa.sa_flags = SA_SIGINFO;
+	sigemptyset(&sa.sa_mask);
+	sigaction(SIGINT, &sa, NULL);
+
+	gettimeofday(&tv, NULL);
+	started = (tv.tv_sec * 1000000) + tv.tv_usec;
+
+	/* service loop */
+
+	n = 0;
+	while (n >= 0) {
+
+		gettimeofday(&tv, NULL);
+		l = (tv.tv_sec * 1000000) + tv.tv_usec;
+
+		/* servers can hang up on us */
+
+		if (clients == 0) {
+			n = -1;
+			continue;
+		}
+
+		if (!interrupted_time) {
+			if ((l - oldus) > interval_us) {
+				for (n = 0; n < clients; n++)
+					libwebsocket_callback_on_writable(
+							  context, ping_wsi[n]);
+				oldus = l;
+			}
+		} else
+
+			/* allow time for in-flight pongs to come */
+		
+			if ((l - interrupted_time) > 250000) {
+				n = -1;
+				continue;
+			}
+
+		if (!interval_us)
+			n = libwebsocket_service(context, 0);
+		else
+			n = libwebsocket_service(context, 1);
+	}
+
+	/* stats */
+
+	fprintf(stderr, "\n--- %s websocket ping statistics "
+		"using %d connections ---\n"
+		"%lu packets transmitted, %lu received, "
+		"%lu%% packet loss, time %ldms\n"
+		"rtt min/avg/max = %0.3f/%0.3f/%0.3f ms\n"
+		"payload bandwidth average %0.3f KiBytes/sec\n",
+		peer_name, clients, global_tx_count, global_rx_count,
+		((global_tx_count - global_rx_count) * 100) / global_tx_count,
+		(l - started) / 1000,
+		((double)rtt_min) / 1000.0,
+		((double)rtt_avg / global_rx_count) / 1000.0,
+		((double)rtt_max) / 1000.0,
+		((double)global_rx_count * (double)size) /
+				  ((double)(l - started) / 1000000.0) / 1024.0);
+
+	libwebsocket_context_destroy(context);
+
+	return 0;
+
+usage:
+	fprintf(stderr, "Usage: libwebsockets-test-ping "
+					     "<server address> [--port=<p>] "
+					     "[--ssl] [--interval=<float sec>] "
+					     "[--size=<bytes>] "
+					     "[--protocol=<protocolname>] "
+					     "[--mirror] "
+					     "[--replicate=clients>]"
+					     "[--version <version>]"
+					     "\n");
+	return 1;
+}

libs/libwebsockets/test-server/test-server-extpoll.c

@@ -0,0 +1,553 @@
+/*
+ * libwebsockets-test-server-extpoll - libwebsockets external poll loop sample
+ *
+ * This acts the same as libwebsockets-test-server but works with the poll
+ * loop taken out of libwebsockets and into this app.  It's an example of how
+ * you can integrate libwebsockets polling into an app that already has its
+ * own poll loop.
+ *
+ * Copyright (C) 2010-2011 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <string.h>
+#include <sys/time.h>
+#ifdef __MINGW32__
+#include "../win32port/win32helpers/websock-w32.h"
+#else
+#ifdef __MINGW64__
+#include "../win32port/win32helpers/websock-w32.h"
+#else
+#include <poll.h>
+#endif
+#endif
+
+#include "../lib/libwebsockets.h"
+
+
+/*
+ * This demo server shows how to use libwebsockets for one or more
+ * websocket protocols in the same server
+ *
+ * It defines the following websocket protocols:
+ *
+ *  dumb-increment-protocol:  once the socket is opened, an incrementing
+ *				ascii string is sent down it every 50ms.
+ *				If you send "reset\n" on the websocket, then
+ *				the incrementing number is reset to 0.
+ *
+ *  lws-mirror-protocol: copies any received packet to every connection also
+ *				using this protocol, including the sender
+ */
+
+#define MAX_POLL_ELEMENTS 100
+struct pollfd pollfds[100];
+int count_pollfds = 0;
+
+ 
+
+enum demo_protocols {
+	/* always first */
+	PROTOCOL_HTTP = 0,
+
+	PROTOCOL_DUMB_INCREMENT,
+	PROTOCOL_LWS_MIRROR,
+
+	/* always last */
+	DEMO_PROTOCOL_COUNT
+};
+
+
+#define LOCAL_RESOURCE_PATH INSTALL_DATADIR"/libwebsockets-test-server"
+
+/* this protocol server (always the first one) just knows how to do HTTP */
+
+static int callback_http(struct libwebsocket_context * this,
+		struct libwebsocket *wsi,
+		enum libwebsocket_callback_reasons reason, void *user,
+							   void *in, size_t len)
+{
+	int n;
+	char client_name[128];
+	char client_ip[128];
+
+	switch (reason) {
+	case LWS_CALLBACK_HTTP:
+		fprintf(stderr, "serving HTTP URI %s\n", (char *)in);
+
+		if (in && strcmp(in, "/favicon.ico") == 0) {
+			if (libwebsockets_serve_http_file(wsi,
+			     LOCAL_RESOURCE_PATH"/favicon.ico", "image/x-icon"))
+				fprintf(stderr, "Failed to send favicon\n");
+			break;
+		}
+
+		/* send the script... when it runs it'll start websockets */
+
+		if (libwebsockets_serve_http_file(wsi,
+				  LOCAL_RESOURCE_PATH"/test.html", "text/html"))
+			fprintf(stderr, "Failed to send HTTP file\n");
+		break;
+
+	/*
+	 * callback for confirming to continue with client IP appear in
+	 * protocol 0 callback since no websocket protocol has been agreed
+	 * yet.  You can just ignore this if you won't filter on client IP
+	 * since the default uhandled callback return is 0 meaning let the
+	 * connection continue.
+	 */
+
+	case LWS_CALLBACK_FILTER_NETWORK_CONNECTION:
+
+		libwebsockets_get_peer_addresses((int)(long)user, client_name,
+			     sizeof(client_name), client_ip, sizeof(client_ip));
+
+		fprintf(stderr, "Received network connect from %s (%s)\n",
+							client_name, client_ip);
+
+		/* if we returned non-zero from here, we kill the connection */
+		break;
+
+	/*
+	 * callbacks for managing the external poll() array appear in
+	 * protocol 0 callback
+	 */
+
+	case LWS_CALLBACK_ADD_POLL_FD:
+		pollfds[count_pollfds].fd = (int)(long)user;
+		pollfds[count_pollfds].events = (int)len;
+		pollfds[count_pollfds++].revents = 0;
+		break;
+
+	case LWS_CALLBACK_DEL_POLL_FD:
+		for (n = 0; n < count_pollfds; n++)
+			if (pollfds[n].fd == (int)(long)user)
+				while (n < count_pollfds) {
+					pollfds[n] = pollfds[n + 1];
+					n++;
+				}
+		count_pollfds--;
+		break;
+
+	case LWS_CALLBACK_SET_MODE_POLL_FD:
+		for (n = 0; n < count_pollfds; n++)
+			if (pollfds[n].fd == (int)(long)user)
+				pollfds[n].events |= (int)(long)len;
+		break;
+
+	case LWS_CALLBACK_CLEAR_MODE_POLL_FD:
+		for (n = 0; n < count_pollfds; n++)
+			if (pollfds[n].fd == (int)(long)user)
+				pollfds[n].events &= ~(int)(long)len;
+		break;
+
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+/*
+ * this is just an example of parsing handshake headers, you don't need this
+ * in your code unless you will filter allowing connections by the header
+ * content
+ */
+
+static void
+dump_handshake_info(struct lws_tokens *lwst)
+{
+	int n;
+	static const char *token_names[] = {
+		[WSI_TOKEN_GET_URI] = "GET URI",
+		[WSI_TOKEN_HOST] = "Host",
+		[WSI_TOKEN_CONNECTION] = "Connection",
+		[WSI_TOKEN_KEY1] = "key 1",
+		[WSI_TOKEN_KEY2] = "key 2",
+		[WSI_TOKEN_PROTOCOL] = "Protocol",
+		[WSI_TOKEN_UPGRADE] = "Upgrade",
+		[WSI_TOKEN_ORIGIN] = "Origin",
+		[WSI_TOKEN_DRAFT] = "Draft",
+		[WSI_TOKEN_CHALLENGE] = "Challenge",
+
+		/* new for 04 */
+		[WSI_TOKEN_KEY] = "Key",
+		[WSI_TOKEN_VERSION] = "Version",
+		[WSI_TOKEN_SWORIGIN] = "Sworigin",
+
+		/* new for 05 */
+		[WSI_TOKEN_EXTENSIONS] = "Extensions",
+
+		/* client receives these */
+		[WSI_TOKEN_ACCEPT] = "Accept",
+		[WSI_TOKEN_NONCE] = "Nonce",
+		[WSI_TOKEN_HTTP] = "Http",
+		[WSI_TOKEN_MUXURL]	= "MuxURL",
+	};
+	
+	for (n = 0; n < WSI_TOKEN_COUNT; n++) {
+		if (lwst[n].token == NULL)
+			continue;
+
+		fprintf(stderr, "    %s = %s\n", token_names[n], lwst[n].token);
+	}
+}
+
+/* dumb_increment protocol */
+
+/*
+ * one of these is auto-created for each connection and a pointer to the
+ * appropriate instance is passed to the callback in the user parameter
+ *
+ * for this example protocol we use it to individualize the count for each
+ * connection.
+ */
+
+struct per_session_data__dumb_increment {
+	int number;
+};
+
+static int
+callback_dumb_increment(struct libwebsocket_context * this,
+			struct libwebsocket *wsi,
+			enum libwebsocket_callback_reasons reason,
+					       void *user, void *in, size_t len)
+{
+	int n;
+	unsigned char buf[LWS_SEND_BUFFER_PRE_PADDING + 512 +
+						  LWS_SEND_BUFFER_POST_PADDING];
+	unsigned char *p = &buf[LWS_SEND_BUFFER_PRE_PADDING];
+	struct per_session_data__dumb_increment *pss = user;
+
+	switch (reason) {
+
+	case LWS_CALLBACK_ESTABLISHED:
+		pss->number = 0;
+		break;
+
+	/*
+	 * in this protocol, we just use the broadcast action as the chance to
+	 * send our own connection-specific data and ignore the broadcast info
+	 * that is available in the 'in' parameter
+	 */
+
+	case LWS_CALLBACK_BROADCAST:
+		n = sprintf((char *)p, "%d", pss->number++);
+		n = libwebsocket_write(wsi, p, n, LWS_WRITE_TEXT);
+		if (n < 0) {
+			fprintf(stderr, "ERROR writing to socket");
+			return 1;
+		}
+		break;
+
+	case LWS_CALLBACK_RECEIVE:
+		fprintf(stderr, "rx %d\n", (int)len);
+		if (len < 6)
+			break;
+		if (strcmp(in, "reset\n") == 0)
+			pss->number = 0;
+		break;
+
+	/*
+	 * this just demonstrates how to use the protocol filter. If you won't
+	 * study and reject connections based on header content, you don't need
+	 * to handle this callback
+	 */
+
+	case LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION:
+		dump_handshake_info((struct lws_tokens *)(long)user);
+		/* you could return non-zero here and kill the connection */
+		break;
+
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+
+/* lws-mirror_protocol */
+
+#define MAX_MESSAGE_QUEUE 64
+
+struct per_session_data__lws_mirror {
+	struct libwebsocket *wsi;
+	int ringbuffer_tail;
+};
+
+struct a_message {
+	void *payload;
+	size_t len;
+};
+
+static struct a_message ringbuffer[MAX_MESSAGE_QUEUE];
+static int ringbuffer_head;
+
+
+static int
+callback_lws_mirror(struct libwebsocket_context * this,
+			struct libwebsocket *wsi,
+			enum libwebsocket_callback_reasons reason,
+					       void *user, void *in, size_t len)
+{
+	int n;
+	struct per_session_data__lws_mirror *pss = user;
+
+	switch (reason) {
+
+	case LWS_CALLBACK_ESTABLISHED:
+		pss->ringbuffer_tail = ringbuffer_head;
+		pss->wsi = wsi;
+		libwebsocket_callback_on_writable(this, wsi);
+		break;
+
+	case LWS_CALLBACK_SERVER_WRITEABLE:
+
+		if (pss->ringbuffer_tail != ringbuffer_head) {
+
+			n = libwebsocket_write(wsi, (unsigned char *)
+				   ringbuffer[pss->ringbuffer_tail].payload +
+				   LWS_SEND_BUFFER_PRE_PADDING,
+				   ringbuffer[pss->ringbuffer_tail].len,
+								LWS_WRITE_TEXT);
+
+			if (n < 0) {
+				fprintf(stderr, "ERROR writing to socket");
+				exit(1);
+			}
+
+			if (pss->ringbuffer_tail == (MAX_MESSAGE_QUEUE - 1))
+				pss->ringbuffer_tail = 0;
+			else
+				pss->ringbuffer_tail++;
+
+			if (((ringbuffer_head - pss->ringbuffer_tail) %
+				  MAX_MESSAGE_QUEUE) < (MAX_MESSAGE_QUEUE - 15))
+				libwebsocket_rx_flow_control(wsi, 1);
+
+			libwebsocket_callback_on_writable(this, wsi);
+
+		}
+		break;
+
+	case LWS_CALLBACK_BROADCAST:
+		n = libwebsocket_write(wsi, in, len, LWS_WRITE_TEXT);
+		if (n < 0)
+			fprintf(stderr, "mirror write failed\n");
+		break;
+
+	case LWS_CALLBACK_RECEIVE:
+
+		if (ringbuffer[ringbuffer_head].payload)
+			free(ringbuffer[ringbuffer_head].payload);
+
+		ringbuffer[ringbuffer_head].payload =
+				malloc(LWS_SEND_BUFFER_PRE_PADDING + len +
+						  LWS_SEND_BUFFER_POST_PADDING);
+		ringbuffer[ringbuffer_head].len = len;
+		memcpy((char *)ringbuffer[ringbuffer_head].payload +
+					  LWS_SEND_BUFFER_PRE_PADDING, in, len);
+		if (ringbuffer_head == (MAX_MESSAGE_QUEUE - 1))
+			ringbuffer_head = 0;
+		else
+			ringbuffer_head++;
+
+		if (((ringbuffer_head - pss->ringbuffer_tail) %
+				  MAX_MESSAGE_QUEUE) > (MAX_MESSAGE_QUEUE - 10))
+			libwebsocket_rx_flow_control(wsi, 0);
+
+		libwebsocket_callback_on_writable_all_protocol(
+					       libwebsockets_get_protocol(wsi));
+		break;
+
+	/*
+	 * this just demonstrates how to use the protocol filter. If you won't
+	 * study and reject connections based on header content, you don't need
+	 * to handle this callback
+	 */
+
+	case LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION:
+		dump_handshake_info((struct lws_tokens *)(long)user);
+		/* you could return non-zero here and kill the connection */
+		break;
+
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+
+/* list of supported protocols and callbacks */
+
+static struct libwebsocket_protocols protocols[] = {
+	/* first protocol must always be HTTP handler */
+
+	{
+		"http-only",		/* name */
+		callback_http,		/* callback */
+		0			/* per_session_data_size */
+	},
+	{
+		"dumb-increment-protocol",
+		callback_dumb_increment,
+		sizeof(struct per_session_data__dumb_increment),
+	},
+	{
+		"lws-mirror-protocol",
+		callback_lws_mirror,
+		sizeof(struct per_session_data__lws_mirror)
+	},
+	{
+		NULL, NULL, 0		/* End of list */
+	}
+};
+
+static struct option options[] = {
+	{ "help",	no_argument,		NULL, 'h' },
+	{ "port",	required_argument,	NULL, 'p' },
+	{ "ssl",	no_argument,		NULL, 's' },
+	{ "killmask",	no_argument,		NULL, 'k' },
+	{ "interface",  required_argument, 	NULL, 'i' },
+	{ NULL, 0, 0, 0 }
+};
+
+int main(int argc, char **argv)
+{
+	int n = 0;
+	const char *cert_path =
+			   LOCAL_RESOURCE_PATH"/libwebsockets-test-server.pem";
+	const char *key_path =
+		       LOCAL_RESOURCE_PATH"/libwebsockets-test-server.key.pem";
+	unsigned char buf[LWS_SEND_BUFFER_PRE_PADDING + 1024 +
+						  LWS_SEND_BUFFER_POST_PADDING];
+	int port = 7681;
+	int use_ssl = 0;
+	struct libwebsocket_context *context;
+	int opts = 0;
+	unsigned int oldus = 0;
+	char interface_name[128] = "";
+	const char *interface_ptr = NULL;
+
+	fprintf(stderr, "libwebsockets test server with external poll()\n"
+			"(C) Copyright 2010-2011 Andy Green <andy@warmcat.com> "
+						    "licensed under LGPL2.1\n");
+
+	while (n >= 0) {
+		n = getopt_long(argc, argv, "i:khsp:", options, NULL);
+		if (n < 0)
+			continue;
+		switch (n) {
+		case 's':
+			use_ssl = 1;
+			break;
+		case 'k':
+			opts = LWS_SERVER_OPTION_DEFEAT_CLIENT_MASK;
+			break;
+		case 'p':
+			port = atoi(optarg);
+			break;
+		case 'i':
+			strncpy(interface_name, optarg, sizeof interface_name);
+			interface_name[(sizeof interface_name) - 1] = '\0';
+			interface_ptr = interface_name;
+			break;
+		case 'h':
+			fprintf(stderr, "Usage: test-server "
+					     "[--port=<p>] [--ssl]\n");
+			exit(1);
+		}
+	}
+
+	if (!use_ssl)
+		cert_path = key_path = NULL;
+
+	context = libwebsocket_create_context(port, interface_ptr, protocols,
+					libwebsocket_internal_extensions,
+					cert_path, key_path, -1, -1, opts);
+	if (context == NULL) {
+		fprintf(stderr, "libwebsocket init failed\n");
+		return -1;
+	}
+
+	buf[LWS_SEND_BUFFER_PRE_PADDING] = 'x';
+
+	/*
+	 * This is an example of an existing application's explicit poll()
+	 * loop that libwebsockets can integrate with.
+	 */
+
+	while (1) {
+		struct timeval tv;
+
+		/*
+		 * this represents an existing server's single poll action
+		 * which also includes libwebsocket sockets
+		 */
+
+		n = poll(pollfds, count_pollfds, 25);
+		if (n < 0)
+			goto done;
+
+		if (n)
+			for (n = 0; n < count_pollfds; n++)
+				if (pollfds[n].revents)
+					/*
+					* returns immediately if the fd does not
+					* match anything under libwebsockets
+					* control
+					*/
+					if (libwebsocket_service_fd(context,
+								  &pollfds[n]))
+						goto done;
+
+		/* do our broadcast periodically */
+
+		gettimeofday(&tv, NULL);
+
+		/*
+		 * This broadcasts to all dumb-increment-protocol connections
+		 * at 20Hz.
+		 *
+		 * We're just sending a character 'x', in these examples the
+		 * callbacks send their own per-connection content.
+		 *
+		 * You have to send something with nonzero length to get the
+		 * callback actions delivered.
+		 *
+		 * We take care of pre-and-post padding allocation.
+		 */
+
+		if (((unsigned int)tv.tv_usec - oldus) > 50000) {
+			libwebsockets_broadcast(
+					&protocols[PROTOCOL_DUMB_INCREMENT],
+					&buf[LWS_SEND_BUFFER_PRE_PADDING], 1);
+			oldus = tv.tv_usec;
+		}
+	}
+
+done:
+	libwebsocket_context_destroy(context);
+
+	return 0;
+}

libs/libwebsockets/test-server/test-server.c

@@ -0,0 +1,551 @@
+/*
+ * libwebsockets-test-server - libwebsockets test implementation
+ *
+ * Copyright (C) 2010-2011 Andy Green <andy@warmcat.com>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation:
+ *  version 2.1 of the License.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ *  MA  02110-1301  USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <string.h>
+#include <sys/time.h>
+
+#include "../lib/libwebsockets.h"
+
+static int close_testing;
+
+/*
+ * This demo server shows how to use libwebsockets for one or more
+ * websocket protocols in the same server
+ *
+ * It defines the following websocket protocols:
+ *
+ *  dumb-increment-protocol:  once the socket is opened, an incrementing
+ *				ascii string is sent down it every 50ms.
+ *				If you send "reset\n" on the websocket, then
+ *				the incrementing number is reset to 0.
+ *
+ *  lws-mirror-protocol: copies any received packet to every connection also
+ *				using this protocol, including the sender
+ */
+
+enum demo_protocols {
+	/* always first */
+	PROTOCOL_HTTP = 0,
+
+	PROTOCOL_DUMB_INCREMENT,
+	PROTOCOL_LWS_MIRROR,
+
+	/* always last */
+	DEMO_PROTOCOL_COUNT
+};
+
+
+#define LOCAL_RESOURCE_PATH INSTALL_DATADIR"/libwebsockets-test-server"
+
+/* this protocol server (always the first one) just knows how to do HTTP */
+
+static int callback_http(struct libwebsocket_context *context,
+		struct libwebsocket *wsi,
+		enum libwebsocket_callback_reasons reason, void *user,
+							   void *in, size_t len)
+{
+	char client_name[128];
+	char client_ip[128];
+
+	switch (reason) {
+	case LWS_CALLBACK_HTTP:
+		fprintf(stderr, "serving HTTP URI %s\n", (char *)in);
+
+		if (in && strcmp(in, "/favicon.ico") == 0) {
+			if (libwebsockets_serve_http_file(wsi,
+			     LOCAL_RESOURCE_PATH"/favicon.ico", "image/x-icon"))
+				fprintf(stderr, "Failed to send favicon\n");
+			break;
+		}
+
+		/* send the script... when it runs it'll start websockets */
+
+		if (libwebsockets_serve_http_file(wsi,
+				  LOCAL_RESOURCE_PATH"/test.html", "text/html"))
+			fprintf(stderr, "Failed to send HTTP file\n");
+		break;
+
+	/*
+	 * callback for confirming to continue with client IP appear in
+	 * protocol 0 callback since no websocket protocol has been agreed
+	 * yet.  You can just ignore this if you won't filter on client IP
+	 * since the default uhandled callback return is 0 meaning let the
+	 * connection continue.
+	 */
+
+	case LWS_CALLBACK_FILTER_NETWORK_CONNECTION:
+
+		libwebsockets_get_peer_addresses((int)(long)user, client_name,
+			     sizeof(client_name), client_ip, sizeof(client_ip));
+
+		fprintf(stderr, "Received network connect from %s (%s)\n",
+							client_name, client_ip);
+
+		/* if we returned non-zero from here, we kill the connection */
+		break;
+
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+
+/*
+ * this is just an example of parsing handshake headers, you don't need this
+ * in your code unless you will filter allowing connections by the header
+ * content
+ */
+
+static void
+dump_handshake_info(struct lws_tokens *lwst)
+{
+	int n;
+	static const char *token_names[WSI_TOKEN_COUNT] = {
+		/*[WSI_TOKEN_GET_URI]		=*/ "GET URI",
+		/*[WSI_TOKEN_HOST]		=*/ "Host",
+		/*[WSI_TOKEN_CONNECTION]	=*/ "Connection",
+		/*[WSI_TOKEN_KEY1]		=*/ "key 1",
+		/*[WSI_TOKEN_KEY2]		=*/ "key 2",
+		/*[WSI_TOKEN_PROTOCOL]		=*/ "Protocol",
+		/*[WSI_TOKEN_UPGRADE]		=*/ "Upgrade",
+		/*[WSI_TOKEN_ORIGIN]		=*/ "Origin",
+		/*[WSI_TOKEN_DRAFT]		=*/ "Draft",
+		/*[WSI_TOKEN_CHALLENGE]		=*/ "Challenge",
+
+		/* new for 04 */
+		/*[WSI_TOKEN_KEY]		=*/ "Key",
+		/*[WSI_TOKEN_VERSION]		=*/ "Version",
+		/*[WSI_TOKEN_SWORIGIN]		=*/ "Sworigin",
+
+		/* new for 05 */
+		/*[WSI_TOKEN_EXTENSIONS]	=*/ "Extensions",
+
+		/* client receives these */
+		/*[WSI_TOKEN_ACCEPT]		=*/ "Accept",
+		/*[WSI_TOKEN_NONCE]		=*/ "Nonce",
+		/*[WSI_TOKEN_HTTP]		=*/ "Http",
+		/*[WSI_TOKEN_MUXURL]	=*/ "MuxURL",
+	};
+
+	for (n = 0; n < WSI_TOKEN_COUNT; n++) {
+		if (lwst[n].token == NULL)
+			continue;
+
+		fprintf(stderr, "    %s = %s\n", token_names[n], lwst[n].token);
+	}
+}
+
+/* dumb_increment protocol */
+
+/*
+ * one of these is auto-created for each connection and a pointer to the
+ * appropriate instance is passed to the callback in the user parameter
+ *
+ * for this example protocol we use it to individualize the count for each
+ * connection.
+ */
+
+struct per_session_data__dumb_increment {
+	int number;
+};
+
+static int
+callback_dumb_increment(struct libwebsocket_context *context,
+			struct libwebsocket *wsi,
+			enum libwebsocket_callback_reasons reason,
+					       void *user, void *in, size_t len)
+{
+	int n;
+	unsigned char buf[LWS_SEND_BUFFER_PRE_PADDING + 512 +
+						  LWS_SEND_BUFFER_POST_PADDING];
+	unsigned char *p = &buf[LWS_SEND_BUFFER_PRE_PADDING];
+	struct per_session_data__dumb_increment *pss = user;
+
+	switch (reason) {
+
+	case LWS_CALLBACK_ESTABLISHED:
+		fprintf(stderr, "callback_dumb_increment: "
+						 "LWS_CALLBACK_ESTABLISHED\n");
+		pss->number = 0;
+		break;
+
+	/*
+	 * in this protocol, we just use the broadcast action as the chance to
+	 * send our own connection-specific data and ignore the broadcast info
+	 * that is available in the 'in' parameter
+	 */
+
+	case LWS_CALLBACK_BROADCAST:
+		n = sprintf((char *)p, "%d", pss->number++);
+		n = libwebsocket_write(wsi, p, n, LWS_WRITE_TEXT);
+		if (n < 0) {
+			fprintf(stderr, "ERROR writing to socket");
+			return 1;
+		}
+		if (close_testing && pss->number == 50) {
+			fprintf(stderr, "close tesing limit, closing\n");
+			libwebsocket_close_and_free_session(context, wsi,
+						       LWS_CLOSE_STATUS_NORMAL);
+		}
+		break;
+
+	case LWS_CALLBACK_RECEIVE:
+		fprintf(stderr, "rx %d\n", (int)len);
+		if (len < 6)
+			break;
+		if (strcmp(in, "reset\n") == 0)
+			pss->number = 0;
+		break;
+	/*
+	 * this just demonstrates how to use the protocol filter. If you won't
+	 * study and reject connections based on header content, you don't need
+	 * to handle this callback
+	 */
+
+	case LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION:
+		dump_handshake_info((struct lws_tokens *)(long)user);
+		/* you could return non-zero here and kill the connection */
+		break;
+
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+
+/* lws-mirror_protocol */
+
+#define MAX_MESSAGE_QUEUE 64
+
+struct per_session_data__lws_mirror {
+	struct libwebsocket *wsi;
+	int ringbuffer_tail;
+};
+
+struct a_message {
+	void *payload;
+	size_t len;
+};
+
+static struct a_message ringbuffer[MAX_MESSAGE_QUEUE];
+static int ringbuffer_head;
+
+
+static int
+callback_lws_mirror(struct libwebsocket_context *context,
+			struct libwebsocket *wsi,
+			enum libwebsocket_callback_reasons reason,
+					       void *user, void *in, size_t len)
+{
+	int n;
+	struct per_session_data__lws_mirror *pss = user;
+
+	switch (reason) {
+
+	case LWS_CALLBACK_ESTABLISHED:
+		fprintf(stderr, "callback_lws_mirror: "
+						 "LWS_CALLBACK_ESTABLISHED\n");
+		pss->ringbuffer_tail = ringbuffer_head;
+		pss->wsi = wsi;
+		break;
+
+	case LWS_CALLBACK_SERVER_WRITEABLE:
+		if (close_testing)
+			break;
+		if (pss->ringbuffer_tail != ringbuffer_head) {
+
+			n = libwebsocket_write(wsi, (unsigned char *)
+				   ringbuffer[pss->ringbuffer_tail].payload +
+				   LWS_SEND_BUFFER_PRE_PADDING,
+				   ringbuffer[pss->ringbuffer_tail].len,
+								LWS_WRITE_TEXT);
+			if (n < 0) {
+				fprintf(stderr, "ERROR writing to socket");
+				exit(1);
+			}
+
+			if (pss->ringbuffer_tail == (MAX_MESSAGE_QUEUE - 1))
+				pss->ringbuffer_tail = 0;
+			else
+				pss->ringbuffer_tail++;
+
+			if (((ringbuffer_head - pss->ringbuffer_tail) %
+				  MAX_MESSAGE_QUEUE) < (MAX_MESSAGE_QUEUE - 15))
+				libwebsocket_rx_flow_control(wsi, 1);
+
+			libwebsocket_callback_on_writable(context, wsi);
+
+		}
+		break;
+
+	case LWS_CALLBACK_BROADCAST:
+		n = libwebsocket_write(wsi, in, len, LWS_WRITE_TEXT);
+		if (n < 0)
+			fprintf(stderr, "mirror write failed\n");
+		break;
+
+	case LWS_CALLBACK_RECEIVE:
+
+		if (ringbuffer[ringbuffer_head].payload)
+			free(ringbuffer[ringbuffer_head].payload);
+
+		ringbuffer[ringbuffer_head].payload =
+				malloc(LWS_SEND_BUFFER_PRE_PADDING + len +
+						  LWS_SEND_BUFFER_POST_PADDING);
+		ringbuffer[ringbuffer_head].len = len;
+		memcpy((char *)ringbuffer[ringbuffer_head].payload +
+					  LWS_SEND_BUFFER_PRE_PADDING, in, len);
+		if (ringbuffer_head == (MAX_MESSAGE_QUEUE - 1))
+			ringbuffer_head = 0;
+		else
+			ringbuffer_head++;
+
+		if (((ringbuffer_head - pss->ringbuffer_tail) %
+				  MAX_MESSAGE_QUEUE) > (MAX_MESSAGE_QUEUE - 10))
+			libwebsocket_rx_flow_control(wsi, 0);
+
+		libwebsocket_callback_on_writable_all_protocol(
+					       libwebsockets_get_protocol(wsi));
+		break;
+	/*
+	 * this just demonstrates how to use the protocol filter. If you won't
+	 * study and reject connections based on header content, you don't need
+	 * to handle this callback
+	 */
+
+	case LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION:
+		dump_handshake_info((struct lws_tokens *)(long)user);
+		/* you could return non-zero here and kill the connection */
+		break;
+
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+
+/* list of supported protocols and callbacks */
+
+static struct libwebsocket_protocols protocols[] = {
+	/* first protocol must always be HTTP handler */
+
+	{
+		"http-only",		/* name */
+		callback_http,		/* callback */
+		0			/* per_session_data_size */
+	},
+	{
+		"dumb-increment-protocol",
+		callback_dumb_increment,
+		sizeof(struct per_session_data__dumb_increment),
+	},
+	{
+		"lws-mirror-protocol",
+		callback_lws_mirror,
+		sizeof(struct per_session_data__lws_mirror)
+	},
+	{
+		NULL, NULL, 0		/* End of list */
+	}
+};
+
+static struct option options[] = {
+	{ "help",	no_argument,		NULL, 'h' },
+	{ "port",	required_argument,	NULL, 'p' },
+	{ "ssl",	no_argument,		NULL, 's' },
+	{ "killmask",	no_argument,		NULL, 'k' },
+	{ "interface",  required_argument,	NULL, 'i' },
+	{ "closetest",  no_argument,		NULL, 'c' },
+	{ NULL, 0, 0, 0 }
+};
+
+int main(int argc, char **argv)
+{
+	int n = 0;
+	const char *cert_path =
+			    LOCAL_RESOURCE_PATH"/libwebsockets-test-server.pem";
+	const char *key_path =
+			LOCAL_RESOURCE_PATH"/libwebsockets-test-server.key.pem";
+	unsigned char buf[LWS_SEND_BUFFER_PRE_PADDING + 1024 +
+						  LWS_SEND_BUFFER_POST_PADDING];
+	int port = 7681;
+	int use_ssl = 0;
+	struct libwebsocket_context *context;
+	int opts = 0;
+	char interface_name[128] = "";
+	const char *interface = NULL;
+#ifdef LWS_NO_FORK
+	unsigned int oldus = 0;
+#endif
+
+	fprintf(stderr, "libwebsockets test server\n"
+			"(C) Copyright 2010-2011 Andy Green <andy@warmcat.com> "
+						    "licensed under LGPL2.1\n");
+
+	while (n >= 0) {
+		n = getopt_long(argc, argv, "ci:khsp:", options, NULL);
+		if (n < 0)
+			continue;
+		switch (n) {
+		case 's':
+			use_ssl = 1;
+			break;
+		case 'k':
+			opts = LWS_SERVER_OPTION_DEFEAT_CLIENT_MASK;
+			break;
+		case 'p':
+			port = atoi(optarg);
+			break;
+		case 'i':
+			strncpy(interface_name, optarg, sizeof interface_name);
+			interface_name[(sizeof interface_name) - 1] = '\0';
+			interface = interface_name;
+			break;
+		case 'c':
+			close_testing = 1;
+			fprintf(stderr, " Close testing mode -- closes on "
+					   "client after 50 dumb increments"
+					   "and suppresses lws_mirror spam\n");
+			break;
+		case 'h':
+			fprintf(stderr, "Usage: test-server "
+					     "[--port=<p>] [--ssl]\n");
+			exit(1);
+		}
+	}
+
+	if (!use_ssl)
+		cert_path = key_path = NULL;
+
+	context = libwebsocket_create_context(port, interface, protocols,
+				libwebsocket_internal_extensions,
+				cert_path, key_path, -1, -1, opts);
+	if (context == NULL) {
+		fprintf(stderr, "libwebsocket init failed\n");
+		return -1;
+	}
+
+	buf[LWS_SEND_BUFFER_PRE_PADDING] = 'x';
+
+#ifdef LWS_NO_FORK
+
+	/*
+	 * This example shows how to work with no forked service loop
+	 */
+
+	fprintf(stderr, " Using no-fork service loop\n");
+
+	n = 0;
+	while (n >= 0) {
+		struct timeval tv;
+
+		gettimeofday(&tv, NULL);
+
+		/*
+		 * This broadcasts to all dumb-increment-protocol connections
+		 * at 20Hz.
+		 *
+		 * We're just sending a character 'x', in these examples the
+		 * callbacks send their own per-connection content.
+		 *
+		 * You have to send something with nonzero length to get the
+		 * callback actions delivered.
+		 *
+		 * We take care of pre-and-post padding allocation.
+		 */
+
+		if (((unsigned int)tv.tv_usec - oldus) > 50000) {
+			libwebsockets_broadcast(
+					&protocols[PROTOCOL_DUMB_INCREMENT],
+					&buf[LWS_SEND_BUFFER_PRE_PADDING], 1);
+			oldus = tv.tv_usec;
+		}
+
+		/*
+		 * This example server does not fork or create a thread for
+		 * websocket service, it all runs in this single loop.  So,
+		 * we have to give the websockets an opportunity to service
+		 * "manually".
+		 *
+		 * If no socket is needing service, the call below returns
+		 * immediately and quickly.  Negative return means we are
+		 * in process of closing
+		 */
+
+		n = libwebsocket_service(context, 50);
+	}
+
+#else
+
+	/*
+	 * This example shows how to work with the forked websocket service loop
+	 */
+
+	fprintf(stderr, " Using forked service loop\n");
+
+	/*
+	 * This forks the websocket service action into a subprocess so we
+	 * don't have to take care about it.
+	 */
+
+	n = libwebsockets_fork_service_loop(context);
+	if (n < 0) {
+		fprintf(stderr, "Unable to fork service loop %d\n", n);
+		return 1;
+	}
+
+	while (1) {
+
+		usleep(50000);
+
+		/*
+		 * This broadcasts to all dumb-increment-protocol connections
+		 * at 20Hz.
+		 *
+		 * We're just sending a character 'x', in these examples the
+		 * callbacks send their own per-connection content.
+		 *
+		 * You have to send something with nonzero length to get the
+		 * callback actions delivered.
+		 *
+		 * We take care of pre-and-post padding allocation.
+		 */
+
+		libwebsockets_broadcast(&protocols[PROTOCOL_DUMB_INCREMENT],
+					&buf[LWS_SEND_BUFFER_PRE_PADDING], 1);
+	}
+
+#endif
+
+	libwebsocket_context_destroy(context);
+
+	return 0;
+}

libs/libwebsockets/test-server/test.html

@@ -0,0 +1,361 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+ <meta charset=utf-8 />
+ <title>Minimal Websocket test app</title>
+</head>
+
+<body>
+<h3>Detected Browser: <div id=brow>...</div></h3>
+<h2>libwebsockets "dumb-increment-protocol" test applet</h2>
+The incrementing number is coming from the server and is individual for
+each connection to the server... try opening a second browser window.
+Click the button to send the server a websocket message to
+reset the number.<br><br>
+
+<table>
+	<tr>
+		<td align=center><input type=button id=offset value="Reset counter" onclick="reset();" ></td>
+		<td width=100 align=center><div id=number> </div></td>
+		<td id=wsdi_statustd align=center><div id=wsdi_status>Not initialized</div></td>
+	</tr>
+</table>
+
+<h2>libwebsockets "lws-mirror-protocol" test applet</h2>
+Use the mouse to draw on the canvas below -- all other browser windows open
+on this page see your drawing in realtime and you can see any of theirs as
+well.
+<p>
+The lws-mirror protocol doesn't interpret what is being sent to it, it just
+re-sends it to every other websocket it has a connection with using that
+protocol, including the guy who sent the packet.
+<p>libwebsockets-test-client spams circles on to this shared canvas when
+run.</p>
+<br><br>
+
+<table>
+	<tr>
+		<td>Drawing color:
+		<select id="color" onchange="update_color();">
+			<option value=#000000>Black</option>
+			<option value=#0000ff>Blue</option>
+			<option value=#20ff20>Green</option>
+			<option value=#802020>Dark Red</option>
+		</select>
+		</td>
+		<td id=wslm_statustd align=center><div id=wslm_status>Not initialized</div></td>
+	</tr>
+	<tr>
+		<td colspan=2 width=500 align=center style="background-color: #e0e0e0;"><div id=wslm_drawing> </div></td>
+	</tr>
+</table>
+
+<script>
+
+/* BrowserDetect came from http://www.quirksmode.org/js/detect.html */
+
+var BrowserDetect = {
+	init: function () {
+		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
+		this.version = this.searchVersion(navigator.userAgent)
+			|| this.searchVersion(navigator.appVersion)
+			|| "an unknown version";
+		this.OS = this.searchString(this.dataOS) || "an unknown OS";
+	},
+	searchString: function (data) {
+		for (var i=0;i<data.length;i++)	{
+			var dataString = data[i].string;
+			var dataProp = data[i].prop;
+			this.versionSearchString = data[i].versionSearch || data[i].identity;
+			if (dataString) {
+				if (dataString.indexOf(data[i].subString) != -1)
+					return data[i].identity;
+			}
+			else if (dataProp)
+				return data[i].identity;
+		}
+	},
+	searchVersion: function (dataString) {
+		var index = dataString.indexOf(this.versionSearchString);
+		if (index == -1) return;
+		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
+	},
+	dataBrowser: [
+		{
+			string: navigator.userAgent,
+			subString: "Chrome",
+			identity: "Chrome"
+		},
+		{ 	string: navigator.userAgent,
+			subString: "OmniWeb",
+			versionSearch: "OmniWeb/",
+			identity: "OmniWeb"
+		},
+		{
+			string: navigator.vendor,
+			subString: "Apple",
+			identity: "Safari",
+			versionSearch: "Version"
+		},
+		{
+			prop: window.opera,
+			identity: "Opera",
+			versionSearch: "Version"
+		},
+		{
+			string: navigator.vendor,
+			subString: "iCab",
+			identity: "iCab"
+		},
+		{
+			string: navigator.vendor,
+			subString: "KDE",
+			identity: "Konqueror"
+		},
+		{
+			string: navigator.userAgent,
+			subString: "Firefox",
+			identity: "Firefox"
+		},
+		{
+			string: navigator.vendor,
+			subString: "Camino",
+			identity: "Camino"
+		},
+		{		// for newer Netscapes (6+)
+			string: navigator.userAgent,
+			subString: "Netscape",
+			identity: "Netscape"
+		},
+		{
+			string: navigator.userAgent,
+			subString: "MSIE",
+			identity: "Explorer",
+			versionSearch: "MSIE"
+		},
+		{
+			string: navigator.userAgent,
+			subString: "Gecko",
+			identity: "Mozilla",
+			versionSearch: "rv"
+		},
+		{ 		// for older Netscapes (4-)
+			string: navigator.userAgent,
+			subString: "Mozilla",
+			identity: "Netscape",
+			versionSearch: "Mozilla"
+		}
+	],
+	dataOS : [
+		{
+			string: navigator.platform,
+			subString: "Win",
+			identity: "Windows"
+		},
+		{
+			string: navigator.platform,
+			subString: "Mac",
+			identity: "Mac"
+		},
+		{
+			   string: navigator.userAgent,
+			   subString: "iPhone",
+			   identity: "iPhone/iPod"
+	    },
+		{
+			string: navigator.platform,
+			subString: "Linux",
+			identity: "Linux"
+		}
+	]
+
+};
+BrowserDetect.init();
+
+document.getElementById("brow").textContent = " " + BrowserDetect.browser + " "
+	+ BrowserDetect.version +" " + BrowserDetect.OS +" ";
+
+	var pos = 0;
+
+function get_appropriate_ws_url()
+{
+	var pcol;
+	var u = document.URL;
+
+	/*
+	 * We open the websocket encrypted if this page came on an
+	 * https:// url itself, otherwise unencrypted
+	 */
+
+	if (u.substring(0, 5) == "https") {
+		pcol = "wss://";
+		u = u.substr(8);
+	} else {
+		pcol = "ws://";
+		if (u.substring(0, 4) == "http")
+			u = u.substr(7);
+	}
+
+	u = u.split('/');
+
+	return pcol + u[0];
+}
+
+
+document.getElementById("number").textContent = get_appropriate_ws_url();
+
+/* dumb increment protocol */
+	
+	var socket_di;
+
+	if (BrowserDetect.browser == "Firefox" && BrowserDetect.version < 12) {
+		socket_di = new MozWebSocket(get_appropriate_ws_url(),
+				   "dumb-increment-protocol");
+	} else {
+		socket_di = new WebSocket(get_appropriate_ws_url(),
+				   "dumb-increment-protocol");
+	}
+
+
+	try {
+		socket_di.onopen = function() {
+			document.getElementById("wsdi_statustd").style.backgroundColor = "#40ff40";
+			document.getElementById("wsdi_status").textContent = " websocket connection opened ";
+		} 
+
+		socket_di.onmessage =function got_packet(msg) {
+			document.getElementById("number").textContent = msg.data + "\n";
+		} 
+
+		socket_di.onclose = function(){
+			document.getElementById("wsdi_statustd").style.backgroundColor = "#ff4040";
+			document.getElementById("wsdi_status").textContent = " websocket connection CLOSED ";
+		}
+	} catch(exception) {
+		alert('<p>Error' + exception);  
+	}
+
+function reset() {
+	socket_di.send("reset\n");
+}
+
+
+/* lws-mirror protocol */
+
+	var down = 0;
+	var no_last = 1;
+	var last_x = 0, last_y = 0;
+	var ctx;
+	var socket_lm;
+	var color = "#000000";
+
+	if (BrowserDetect.browser == "Firefox" && BrowserDetect.version < 12) {
+		socket_lm = new MozWebSocket(get_appropriate_ws_url(),
+				   "lws-mirror-protocol");
+	} else {
+		socket_lm = new WebSocket(get_appropriate_ws_url(),
+				   "lws-mirror-protocol");
+	}
+
+
+	try {
+		socket_lm.onopen = function() {
+			document.getElementById("wslm_statustd").style.backgroundColor = "#40ff40";
+			document.getElementById("wslm_status").textContent = " websocket connection opened ";
+		} 
+
+		socket_lm.onmessage =function got_packet(msg) {
+			j = msg.data.split(';');
+			f = 0;
+			while (f < j.length - 1) {
+				i = j[f].split(' ');
+				if (i[0] == 'd') {
+					ctx.strokeStyle = i[1];
+					ctx.beginPath();
+					ctx.moveTo(+(i[2]), +(i[3]));
+					ctx.lineTo(+(i[4]), +(i[5]));
+					ctx.stroke();
+				}
+				if (i[0] == 'c') {
+					ctx.strokeStyle = i[1];
+					ctx.beginPath();
+					ctx.arc(+(i[2]), +(i[3]), +(i[4]), 0, Math.PI*2, true); 
+					ctx.stroke();
+				}
+
+				f++;
+			}
+		}
+
+		socket_lm.onclose = function(){
+			document.getElementById("wslm_statustd").style.backgroundColor = "#ff4040";
+			document.getElementById("wslm_status").textContent = " websocket connection CLOSED ";
+		}
+	} catch(exception) {
+		alert('<p>Error' + exception);  
+	}
+
+	var canvas = document.createElement('canvas');
+	canvas.height = 300;
+	canvas.width = 480;
+	ctx = canvas.getContext("2d");
+
+	document.getElementById('wslm_drawing').appendChild(canvas);
+
+	canvas.addEventListener('mousemove', ev_mousemove, false);
+	canvas.addEventListener('mousedown', ev_mousedown, false);
+	canvas.addEventListener('mouseup', ev_mouseup, false);
+
+	offsetX = offsetY = 0;
+	element = canvas;
+      if (element.offsetParent) {
+        do {
+          offsetX += element.offsetLeft;
+          offsetY += element.offsetTop;
+        } while ((element = element.offsetParent));
+      }
+ 
+function update_color() {
+	color = document.getElementById("color").value;
+}
+
+function ev_mousedown (ev) {
+	down = 1;
+}
+
+function ev_mouseup(ev) {
+	down = 0;
+	no_last = 1;
+}
+
+function ev_mousemove (ev) {
+	var x, y;
+
+	if (ev.offsetX) {
+		x = ev.offsetX;
+		y = ev.offsetY;
+	} else {
+		x = ev.layerX - offsetX;
+		y = ev.layerY - offsetY;
+
+	}
+
+	if (!down)
+		return;
+	if (no_last) {
+		no_last = 0;
+		last_x = x;
+		last_y = y;
+		return;
+	}
+	socket_lm.send("d " + color + " " + last_x + " " + last_y + " " + x + ' ' + y + ';');
+
+	last_x = x;
+	last_y = y;
+}
+
+
+</script>
+
+</body>
+</html>