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Documentation: IPv6 ports will listen for both, IPv4 and IPv6

- Add this to the user documentation
- Make it more clear in the interface documentation
- Change the embedding_c example accordingly (and auto-format the code)
bel2125 9 سال پیش
والد
کامیت
73155eea3e
4فایلهای تغییر یافته به همراه265 افزوده شده و 193 حذف شده
  1. 5 0
      docs/UserManual.md
  2. 258 191
      examples/embedded_c/embedded_c.c
  3. 1 1
      include/civetweb.h
  4. 1 1
      src/civetweb.c

+ 5 - 0
docs/UserManual.md

@@ -278,6 +278,11 @@ an IP address and a colon must be pre-pended to the port number.
 For example, to bind to a loopback interface on port 80 and to
 For example, to bind to a loopback interface on port 80 and to
 all interfaces on HTTPS port 443, use `127.0.0.1:80,443s`.
 all interfaces on HTTPS port 443, use `127.0.0.1:80,443s`.
 
 
+If the server is built with IPv6 support, `[::]:8080` can be used to
+listen to connections to port 8080 from both, IPv4 and IPv6.
+IPv6 addresses of network interfaces can be specified as well,
+e.g. `[::1]:8080` for the IPv6 loopback interface.
+
 ### document\_root `.`
 ### document\_root `.`
 A directory to serve. By default, the current working directory is served.
 A directory to serve. By default, the current working directory is served.
 The current directory is commonly referenced as dot (`.`).
 The current directory is commonly referenced as dot (`.`).

+ 258 - 191
examples/embedded_c/embedded_c.c

@@ -17,7 +17,7 @@
 
 
 #define DOCUMENT_ROOT "."
 #define DOCUMENT_ROOT "."
 #ifdef USE_IPV6
 #ifdef USE_IPV6
-#define PORT "8888,[::]:8886"
+#define PORT "[::]:8888"
 #else
 #else
 #define PORT "8888"
 #define PORT "8888"
 #endif
 #endif
@@ -28,284 +28,351 @@ int exitNow = 0;
 
 
 int ExampleHandler(struct mg_connection *conn, void *cbdata)
 int ExampleHandler(struct mg_connection *conn, void *cbdata)
 {
 {
-    mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
-    mg_printf(conn, "<html><body>");
-    mg_printf(conn, "<h2>This is an example text from a C handler</h2>");
-    mg_printf(conn, "<p>To see a page from the A handler <a href=\"A\">click A</a></p>");
-    mg_printf(conn, "<p>To see a page from the A handler <a href=\"A/A\">click A/A</a></p>");
-    mg_printf(conn, "<p>To see a page from the A/B handler <a href=\"A/B\">click A/B</a></p>");
-    mg_printf(conn, "<p>To see a page from the B handler (0) <a href=\"B\">click B</a></p>");
-    mg_printf(conn, "<p>To see a page from the B handler (1) <a href=\"B/A\">click B/A</a></p>");
-    mg_printf(conn, "<p>To see a page from the B handler (2) <a href=\"B/B\">click B/B</a></p>");
-    mg_printf(conn, "<p>To see a page from the *.foo handler <a href=\"xy.foo\">click xy.foo</a></p>");
+	mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
+	mg_printf(conn, "<html><body>");
+	mg_printf(conn, "<h2>This is an example text from a C handler</h2>");
+	mg_printf(
+	    conn,
+	    "<p>To see a page from the A handler <a href=\"A\">click A</a></p>");
+	mg_printf(conn, "<p>To see a page from the A handler <a href=\"A/A\">click "
+	                "A/A</a></p>");
+	mg_printf(conn, "<p>To see a page from the A/B handler <a "
+	                "href=\"A/B\">click A/B</a></p>");
+	mg_printf(conn, "<p>To see a page from the B handler (0) <a "
+	                "href=\"B\">click B</a></p>");
+	mg_printf(conn, "<p>To see a page from the B handler (1) <a "
+	                "href=\"B/A\">click B/A</a></p>");
+	mg_printf(conn, "<p>To see a page from the B handler (2) <a "
+	                "href=\"B/B\">click B/B</a></p>");
+	mg_printf(conn, "<p>To see a page from the *.foo handler <a "
+	                "href=\"xy.foo\">click xy.foo</a></p>");
 #ifdef USE_WEBSOCKET
 #ifdef USE_WEBSOCKET
-    mg_printf(conn, "<p>To test websocket handler <a href=\"/websocket\">click websocket</a></p>");
+	mg_printf(conn, "<p>To test websocket handler <a href=\"/websocket\">click "
+	                "websocket</a></p>");
 #endif
 #endif
-    mg_printf(conn, "<p>To exit <a href=\"%s\">click exit</a></p>", EXIT_URI);
-    mg_printf(conn, "</body></html>\n");
-    return 1;
+	mg_printf(conn, "<p>To exit <a href=\"%s\">click exit</a></p>", EXIT_URI);
+	mg_printf(conn, "</body></html>\n");
+	return 1;
 }
 }
 
 
 
 
 int ExitHandler(struct mg_connection *conn, void *cbdata)
 int ExitHandler(struct mg_connection *conn, void *cbdata)
 {
 {
-    mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\n\r\n");
-    mg_printf(conn, "Bye!\n");
-    exitNow = 1;
-    return 1;
+	mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\n\r\n");
+	mg_printf(conn, "Bye!\n");
+	exitNow = 1;
+	return 1;
 }
 }
 
 
 
 
 int AHandler(struct mg_connection *conn, void *cbdata)
 int AHandler(struct mg_connection *conn, void *cbdata)
 {
 {
-    mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
-    mg_printf(conn, "<html><body>");
-    mg_printf(conn, "<h2>This is the A handler!!!</h2>");
-    mg_printf(conn, "</body></html>\n");
-    return 1;
+	mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
+	mg_printf(conn, "<html><body>");
+	mg_printf(conn, "<h2>This is the A handler!!!</h2>");
+	mg_printf(conn, "</body></html>\n");
+	return 1;
 }
 }
 
 
 
 
 int ABHandler(struct mg_connection *conn, void *cbdata)
 int ABHandler(struct mg_connection *conn, void *cbdata)
 {
 {
-    mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
-    mg_printf(conn, "<html><body>");
-    mg_printf(conn, "<h2>This is the AB handler!!!</h2>");
-    mg_printf(conn, "</body></html>\n");
-    return 1;
+	mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
+	mg_printf(conn, "<html><body>");
+	mg_printf(conn, "<h2>This is the AB handler!!!</h2>");
+	mg_printf(conn, "</body></html>\n");
+	return 1;
 }
 }
 
 
 
 
 int BXHandler(struct mg_connection *conn, void *cbdata)
 int BXHandler(struct mg_connection *conn, void *cbdata)
 {
 {
-    /* Handler may access the request info using mg_get_request_info */
-    const struct mg_request_info * req_info = mg_get_request_info(conn);
-
-    mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
-    mg_printf(conn, "<html><body>");
-    mg_printf(conn, "<h2>This is the BX handler %p!!!</h2>", cbdata);
-    mg_printf(conn, "<p>The actual uri is %s</p>", req_info->uri);
-    mg_printf(conn, "</body></html>\n");
-    return 1;
+	/* Handler may access the request info using mg_get_request_info */
+	const struct mg_request_info *req_info = mg_get_request_info(conn);
+
+	mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
+	mg_printf(conn, "<html><body>");
+	mg_printf(conn, "<h2>This is the BX handler %p!!!</h2>", cbdata);
+	mg_printf(conn, "<p>The actual uri is %s</p>", req_info->uri);
+	mg_printf(conn, "</body></html>\n");
+	return 1;
 }
 }
 
 
 
 
 int FooHandler(struct mg_connection *conn, void *cbdata)
 int FooHandler(struct mg_connection *conn, void *cbdata)
 {
 {
-    /* Handler may access the request info using mg_get_request_info */
-    const struct mg_request_info * req_info = mg_get_request_info(conn);
-
-    mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
-    mg_printf(conn, "<html><body>");
-    mg_printf(conn, "<h2>This is the Foo handler!!!</h2>");
-    mg_printf(conn, "<p>The request was:<br><pre>%s %s HTTP/%s</pre></p>",
-              req_info->request_method, req_info->uri, req_info->http_version);
-    mg_printf(conn, "</body></html>\n");
-    return 1;
+	/* Handler may access the request info using mg_get_request_info */
+	const struct mg_request_info *req_info = mg_get_request_info(conn);
+
+	mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
+	mg_printf(conn, "<html><body>");
+	mg_printf(conn, "<h2>This is the Foo handler!!!</h2>");
+	mg_printf(conn,
+	          "<p>The request was:<br><pre>%s %s HTTP/%s</pre></p>",
+	          req_info->request_method,
+	          req_info->uri,
+	          req_info->http_version);
+	mg_printf(conn, "</body></html>\n");
+	return 1;
 }
 }
 
 
 
 
 int WebSocketStartHandler(struct mg_connection *conn, void *cbdata)
 int WebSocketStartHandler(struct mg_connection *conn, void *cbdata)
 {
 {
-    mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
+	mg_printf(conn, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
 
 
-    mg_printf(conn, "<!DOCTYPE html>\n");
-    mg_printf(conn, "<html>\n<head>\n");
-    mg_printf(conn, "<meta charset=\"UTF-8\">\n");
-    mg_printf(conn, "<title>Embedded websocket example</title>\n");
+	mg_printf(conn, "<!DOCTYPE html>\n");
+	mg_printf(conn, "<html>\n<head>\n");
+	mg_printf(conn, "<meta charset=\"UTF-8\">\n");
+	mg_printf(conn, "<title>Embedded websocket example</title>\n");
 #ifdef USE_WEBSOCKET
 #ifdef USE_WEBSOCKET
-    /* mg_printf(conn, "<script type=\"text/javascript\"><![CDATA[\n"); ... xhtml style */
-    mg_printf(conn, "<script>\n");
-    mg_printf(conn,
-    "function load() {\n"
-    "  var wsproto = (location.protocol === 'https:') ? 'wss:' : 'ws:';\n"
-    "  connection = new WebSocket(wsproto + '//' + window.location.host + '/websocket');\n"
-    "  websock_text_field = document.getElementById('websock_text_field');\n"
-    "  connection.onmessage = function (e) {\n"
-    "    websock_text_field.innerHTML=e.data;\n"
-    "  }\n"
-    "  connection.onerror = function (error) {\n"
-    "    alert('WebSocket error');\n"
-    "    connection.close();\n"
-    "  }\n"
-    "}\n"
-    );
-    /* mg_printf(conn, "]]></script>\n"); ... xhtml style */
-    mg_printf(conn, "</script>\n");
-    mg_printf(conn, "</head>\n<body onload=\"load()\">\n");
-    mg_printf(conn, "<div id='websock_text_field'>No websocket connection yet</div>\n");
+	/* mg_printf(conn, "<script type=\"text/javascript\"><![CDATA[\n"); ...
+	 * xhtml style */
+	mg_printf(conn, "<script>\n");
+	mg_printf(
+	    conn,
+	    "function load() {\n"
+	    "  var wsproto = (location.protocol === 'https:') ? 'wss:' : 'ws:';\n"
+	    "  connection = new WebSocket(wsproto + '//' + window.location.host + "
+	    "'/websocket');\n"
+	    "  websock_text_field = "
+	    "document.getElementById('websock_text_field');\n"
+	    "  connection.onmessage = function (e) {\n"
+	    "    websock_text_field.innerHTML=e.data;\n"
+	    "  }\n"
+	    "  connection.onerror = function (error) {\n"
+	    "    alert('WebSocket error');\n"
+	    "    connection.close();\n"
+	    "  }\n"
+	    "}\n");
+	/* mg_printf(conn, "]]></script>\n"); ... xhtml style */
+	mg_printf(conn, "</script>\n");
+	mg_printf(conn, "</head>\n<body onload=\"load()\">\n");
+	mg_printf(
+	    conn,
+	    "<div id='websock_text_field'>No websocket connection yet</div>\n");
 #else
 #else
-    mg_printf(conn, "</head>\n<body>\n");
-    mg_printf(conn, "Example not compiled with USE_WEBSOCKET\n");
+	mg_printf(conn, "</head>\n<body>\n");
+	mg_printf(conn, "Example not compiled with USE_WEBSOCKET\n");
 #endif
 #endif
-    mg_printf(conn, "</body>\n</html>\n");
-    return 1;
+	mg_printf(conn, "</body>\n</html>\n");
+	return 1;
 }
 }
 
 
 
 
 #ifdef USE_WEBSOCKET
 #ifdef USE_WEBSOCKET
 
 
-#define MAX_WS_CLIENTS 5 /* just for the test: a small number that can be reached */
-                         /* a real server should use a much higher number here */
+#define MAX_WS_CLIENTS                                                         \
+	5 /* just for the test: a small number that can be reached */
+      /* a real server should use a much higher number here */
 
 
 struct t_ws_client {
 struct t_ws_client {
-    struct mg_connection * conn;
-    int state;
+	struct mg_connection *conn;
+	int state;
 } static ws_clients[MAX_WS_CLIENTS];
 } static ws_clients[MAX_WS_CLIENTS];
 
 
-#define ASSERT(x) {if (!(x)) {fprintf(stderr, "Assertion failed in line %u\n", (unsigned)__LINE__);}}
+#define ASSERT(x)                                                              \
+	{                                                                          \
+		if (!(x)) {                                                            \
+			fprintf(                                                           \
+			    stderr, "Assertion failed in line %u\n", (unsigned)__LINE__);  \
+		}                                                                      \
+	}
 
 
 static unsigned long cnt;
 static unsigned long cnt;
 
 
-int WebSocketConnectHandler(const struct mg_connection * conn, void *cbdata)
+int WebSocketConnectHandler(const struct mg_connection *conn, void *cbdata)
 {
 {
-    struct mg_context *ctx = mg_get_context(conn);
-    int reject = 1;
-    int i;
-
-    mg_lock_context(ctx);
-    for (i=0; i<MAX_WS_CLIENTS; i++) {
-        if (ws_clients[i].conn == NULL) {
-            ws_clients[i].conn = (struct mg_connection *) conn;
-            ws_clients[i].state = 1;
-            mg_set_user_connection_data(conn, (void*) (ws_clients+i));
-            reject = 0;
-            break;
-        }
-    }
-    mg_unlock_context(ctx);
-
-    fprintf(stdout, "Websocket client %s\r\n\r\n", (reject ? "rejected" : "accepted"));
-    return reject;
+	struct mg_context *ctx = mg_get_context(conn);
+	int reject = 1;
+	int i;
+
+	mg_lock_context(ctx);
+	for (i = 0; i < MAX_WS_CLIENTS; i++) {
+		if (ws_clients[i].conn == NULL) {
+			ws_clients[i].conn = (struct mg_connection *)conn;
+			ws_clients[i].state = 1;
+			mg_set_user_connection_data(conn, (void *)(ws_clients + i));
+			reject = 0;
+			break;
+		}
+	}
+	mg_unlock_context(ctx);
+
+	fprintf(stdout,
+	        "Websocket client %s\r\n\r\n",
+	        (reject ? "rejected" : "accepted"));
+	return reject;
 }
 }
 
 
-void WebSocketReadyHandler(struct mg_connection * conn, void *cbdata)
+void WebSocketReadyHandler(struct mg_connection *conn, void *cbdata)
 {
 {
-    const char * text = "Hello from the websocket ready handler";
-    struct t_ws_client * client = mg_get_user_connection_data(conn);
+	const char *text = "Hello from the websocket ready handler";
+	struct t_ws_client *client = mg_get_user_connection_data(conn);
 
 
-    mg_websocket_write(conn, WEBSOCKET_OPCODE_TEXT, text, strlen(text));
-    fprintf(stdout, "Greeting message sent to websocket client\r\n\r\n");
-    ASSERT(client->conn == conn);
-    ASSERT(client->state == 1);
+	mg_websocket_write(conn, WEBSOCKET_OPCODE_TEXT, text, strlen(text));
+	fprintf(stdout, "Greeting message sent to websocket client\r\n\r\n");
+	ASSERT(client->conn == conn);
+	ASSERT(client->state == 1);
 
 
-    client->state = 2;
+	client->state = 2;
 }
 }
 
 
-int WebsocketDataHandler(struct mg_connection * conn, int bits, char * data, size_t len, void *cbdata)
+int WebsocketDataHandler(struct mg_connection *conn,
+                         int bits,
+                         char *data,
+                         size_t len,
+                         void *cbdata)
 {
 {
-    struct t_ws_client * client = mg_get_user_connection_data(conn);
-    ASSERT(client->conn == conn);
-    ASSERT(client->state >= 1);
+	struct t_ws_client *client = mg_get_user_connection_data(conn);
+	ASSERT(client->conn == conn);
+	ASSERT(client->state >= 1);
 
 
-    fprintf(stdout, "Websocket got data:\r\n");
-    fwrite(data, len, 1, stdout);
-    fprintf(stdout, "\r\n\r\n");
+	fprintf(stdout, "Websocket got data:\r\n");
+	fwrite(data, len, 1, stdout);
+	fprintf(stdout, "\r\n\r\n");
 
 
-    return 1;
+	return 1;
 }
 }
 
 
-void WebSocketCloseHandler(const struct mg_connection * conn, void *cbdata)
+void WebSocketCloseHandler(const struct mg_connection *conn, void *cbdata)
 {
 {
-    struct mg_context *ctx = mg_get_context(conn);
-    struct t_ws_client * client = mg_get_user_connection_data(conn);
-    ASSERT(client->conn == conn);
-    ASSERT(client->state >= 1);
-
-    mg_lock_context(ctx);
-    client->state = 0;
-    client->conn = NULL;
-    mg_unlock_context(ctx);
-
-    fprintf(stdout, "Client droped from the set of webserver connections\r\n\r\n");
+	struct mg_context *ctx = mg_get_context(conn);
+	struct t_ws_client *client = mg_get_user_connection_data(conn);
+	ASSERT(client->conn == conn);
+	ASSERT(client->state >= 1);
+
+	mg_lock_context(ctx);
+	client->state = 0;
+	client->conn = NULL;
+	mg_unlock_context(ctx);
+
+	fprintf(stdout,
+	        "Client droped from the set of webserver connections\r\n\r\n");
 }
 }
 
 
 void InformWebsockets(struct mg_context *ctx)
 void InformWebsockets(struct mg_context *ctx)
 {
 {
-    char text[32];
-    int i;
-
-    sprintf(text, "%lu", ++cnt);
-
-    mg_lock_context(ctx);
-    for (i=0; i<MAX_WS_CLIENTS; i++) {
-        if (ws_clients[i].state == 2) {
-            mg_websocket_write(ws_clients[i].conn, WEBSOCKET_OPCODE_TEXT, text, strlen(text));
-        }
-    }
-    mg_unlock_context(ctx);
+	char text[32];
+	int i;
+
+	sprintf(text, "%lu", ++cnt);
+
+	mg_lock_context(ctx);
+	for (i = 0; i < MAX_WS_CLIENTS; i++) {
+		if (ws_clients[i].state == 2) {
+			mg_websocket_write(
+			    ws_clients[i].conn, WEBSOCKET_OPCODE_TEXT, text, strlen(text));
+		}
+	}
+	mg_unlock_context(ctx);
 }
 }
 #endif
 #endif
 
 
 
 
 int main(int argc, char *argv[])
 int main(int argc, char *argv[])
 {
 {
-    const char * options[] = { "document_root", DOCUMENT_ROOT,
-                               "listening_ports", PORT,
-                               "request_timeout_ms", "10000",
+	const char *options[] = {"document_root",
+	                         DOCUMENT_ROOT,
+	                         "listening_ports",
+	                         PORT,
+	                         "request_timeout_ms",
+	                         "10000",
+	                         "error_log_file",
+	                         "error.log",
 #ifdef USE_WEBSOCKET
 #ifdef USE_WEBSOCKET
-                               "websocket_timeout_ms", "3600000",
+	                         "websocket_timeout_ms",
+	                         "3600000",
 #endif
 #endif
-                               0
-                             };
-    struct mg_callbacks callbacks;
-    struct mg_context *ctx;
-    struct mg_server_ports ports[32];
-    int port_cnt, n;
+	                         0};
+	struct mg_callbacks callbacks;
+	struct mg_context *ctx;
+	struct mg_server_ports ports[32];
+	int port_cnt, n;
 
 
-    memset(&callbacks, 0, sizeof(callbacks));
-    ctx = mg_start(&callbacks, 0, options);
+	memset(&callbacks, 0, sizeof(callbacks));
+	ctx = mg_start(&callbacks, 0, options);
 
 
-    /* Handler EXAMPLE_URI to explain the example */
-    mg_set_request_handler(ctx, EXAMPLE_URI, ExampleHandler, 0);
-    mg_set_request_handler(ctx, EXIT_URI, ExitHandler, 0);
+	/* Handler EXAMPLE_URI to explain the example */
+	mg_set_request_handler(ctx, EXAMPLE_URI, ExampleHandler, 0);
+	mg_set_request_handler(ctx, EXIT_URI, ExitHandler, 0);
 
 
-    /* Handler for /A* and special handler for /A/B */
-    mg_set_request_handler(ctx, "/A", AHandler, 0);
-    mg_set_request_handler(ctx, "/A/B", ABHandler, 0);
+	/* Handler for /A* and special handler for /A/B */
+	mg_set_request_handler(ctx, "/A", AHandler, 0);
+	mg_set_request_handler(ctx, "/A/B", ABHandler, 0);
 
 
-    /* Handler for /B, /B/A, /B/B but not for /B* */
-    mg_set_request_handler(ctx, "/B$", BXHandler, (void*)0);
-    mg_set_request_handler(ctx, "/B/A$", BXHandler, (void*)1);
-    mg_set_request_handler(ctx, "/B/B$", BXHandler, (void*)2);
+	/* Handler for /B, /B/A, /B/B but not for /B* */
+	mg_set_request_handler(ctx, "/B$", BXHandler, (void *)0);
+	mg_set_request_handler(ctx, "/B/A$", BXHandler, (void *)1);
+	mg_set_request_handler(ctx, "/B/B$", BXHandler, (void *)2);
 
 
-    /* Handler for all files with .foo extention */
-    mg_set_request_handler(ctx, "**.foo$", FooHandler, 0);
+	/* Handler for all files with .foo extention */
+	mg_set_request_handler(ctx, "**.foo$", FooHandler, 0);
 
 
-    /* HTTP site to open a websocket connection */
-    mg_set_request_handler(ctx, "/websocket", WebSocketStartHandler, 0);
+	/* HTTP site to open a websocket connection */
+	mg_set_request_handler(ctx, "/websocket", WebSocketStartHandler, 0);
 
 
 #ifdef USE_WEBSOCKET
 #ifdef USE_WEBSOCKET
-    /* WS site for the websocket connection */
-    mg_set_websocket_handler(ctx, "/websocket", WebSocketConnectHandler, WebSocketReadyHandler, WebsocketDataHandler, WebSocketCloseHandler, 0);
+	/* WS site for the websocket connection */
+	mg_set_websocket_handler(ctx,
+	                         "/websocket",
+	                         WebSocketConnectHandler,
+	                         WebSocketReadyHandler,
+	                         WebsocketDataHandler,
+	                         WebSocketCloseHandler,
+	                         0);
 #endif
 #endif
-    
-    memset(ports, 0, sizeof(ports));    
-    port_cnt = mg_get_server_ports(ctx, 32, ports);
-    printf("\n%i listening ports:\n\n", port_cnt);
-
-    for (n=0; n<port_cnt && n<32; n++) {
-        const char *proto = ports[n].is_ssl ? "https" : "http";
-        const char *host = ports[n].protocol==2 ? "[::1]" : "127.0.0.1";
-        printf("Browse files at %s://%s:%i/\n", proto, host, ports[n].port);
-        printf("Run example at %s://%s:%i%s\n", proto, host, ports[n].port, EXAMPLE_URI);
-        printf("Exit at %s://%s:%i%s\n", proto, host, ports[n].port, EXIT_URI);
-        printf("\n");
-    }
-
-    while (!exitNow) {
+
+	memset(ports, 0, sizeof(ports));
+	port_cnt = mg_get_server_ports(ctx, 32, ports);
+	printf("\n%i listening ports:\n\n", port_cnt);
+
+	for (n = 0; n < port_cnt && n < 32; n++) {
+		const char *proto = ports[n].is_ssl ? "https" : "http";
+		const char *host;
+
+		if ((ports[n].protocol & 1) == 1) {
+			/* IPv4 */
+			host = "127.0.0.1";
+			printf("Browse files at %s://%s:%i/\n", proto, host, ports[n].port);
+			printf("Run example at %s://%s:%i%s\n",
+			       proto,
+			       host,
+			       ports[n].port,
+			       EXAMPLE_URI);
+			printf(
+			    "Exit at %s://%s:%i%s\n", proto, host, ports[n].port, EXIT_URI);
+			printf("\n");
+		}
+
+		if ((ports[n].protocol & 2) == 2) {
+			/* IPv6 */
+			host = "[::1]";
+			printf("Browse files at %s://%s:%i/\n", proto, host, ports[n].port);
+			printf("Run example at %s://%s:%i%s\n",
+			       proto,
+			       host,
+			       ports[n].port,
+			       EXAMPLE_URI);
+			printf(
+			    "Exit at %s://%s:%i%s\n", proto, host, ports[n].port, EXIT_URI);
+			printf("\n");
+		}
+	}
+
+	while (!exitNow) {
 #ifdef _WIN32
 #ifdef _WIN32
-        Sleep(1000);
+		Sleep(1000);
 #else
 #else
-        sleep(1);
+		sleep(1);
 #endif
 #endif
 #ifdef USE_WEBSOCKET
 #ifdef USE_WEBSOCKET
-        InformWebsockets(ctx);
+		InformWebsockets(ctx);
 #endif
 #endif
-    }
+	}
 
 
-    mg_stop(ctx);
-    printf("Bye!\n");
+	mg_stop(ctx);
+	printf("Bye!\n");
 
 
-    return 0;
+	return 0;
 }
 }

+ 1 - 1
include/civetweb.h

@@ -388,7 +388,7 @@ CIVETWEB_API const struct mg_option *mg_get_valid_options(void);
 
 
 
 
 struct mg_server_ports {
 struct mg_server_ports {
-	int protocol;    /* 1 = IPv4, 2 = IPv6 */
+	int protocol;    /* 1 = IPv4, 2 = IPv6, 3 = both */
 	int port;        /* port number */
 	int port;        /* port number */
 	int is_ssl;      /* https port: 0 = no, 1 = yes */
 	int is_ssl;      /* https port: 0 = no, 1 = yes */
 	int is_redirect; /* redirect all requests: 0 = no, 1 = yes */
 	int is_redirect; /* redirect all requests: 0 = no, 1 = yes */

+ 1 - 1
src/civetweb.c

@@ -1607,7 +1607,7 @@ int mg_get_server_ports(const struct mg_context *ctx,
 			cnt++;
 			cnt++;
 		} else if (ctx->listening_sockets[i].lsa.sa.sa_family == AF_INET6) {
 		} else if (ctx->listening_sockets[i].lsa.sa.sa_family == AF_INET6) {
 			/* IPv6 */
 			/* IPv6 */
-			ports[cnt].protocol = 2;
+			ports[cnt].protocol = 3;
 			cnt++;
 			cnt++;
 		}
 		}
 	}
 	}