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minimal-ws-client-echo: add -i iface option to allow control of client iface bind

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This commit is contained in:
Andy Green 2019-03-07 11:59:20 +08:00
parent 1e00d1d05a
commit 2cb6732629
3 changed files with 18 additions and 2 deletions
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1
minimal-examples/ws-client/minimal-ws-client-echo/README.md
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@ -20,6 +20,7 @@ Commandline option|Meaning
-u url|URL path part to connect to
-o|Finish after one connection
--ssl|Open client connection with ssl
-i <iface>|Bind the client connection to interface iface
```
$ ./lws-minimal-ws-client-echo

14
minimal-examples/ws-client/minimal-ws-client-echo/minimal-ws-client-echo.c
View file

@ -24,13 +24,20 @@ static struct lws_protocols protocols[] = {
static struct lws_context *context;
static int interrupted, port = 7681, options = 0;
static const char *url = "/", *ads = "localhost";
static const char *url = "/", *ads = "localhost", *iface = NULL;
/* pass pointers to shared vars to the protocol */
static const struct lws_protocol_vhost_options pvo_ads = {
static const struct lws_protocol_vhost_options pvo_iface = {
NULL,
NULL,
"iface", /* pvo name */
(void *)&iface /* pvo value */
};
static const struct lws_protocol_vhost_options pvo_ads = {
&pvo_iface,
NULL,
"ads", /* pvo name */
(void *)&ads /* pvo value */
};
@ -119,6 +126,9 @@ int main(int argc, const char **argv)
if ((p = lws_cmdline_option(argc, argv, "-s")))
ads = p;
if ((p = lws_cmdline_option(argc, argv, "-i")))
iface = p;
lwsl_user("options %d, ads %s\n", options, ads);
memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */

5
minimal-examples/ws-client/minimal-ws-client-echo/protocol_lws_minimal_client_echo.c
View file

@ -45,6 +45,7 @@ struct vhd_minimal_client_echo {
int *options;
const char **url;
const char **ads;
const char **iface;
int *port;
};
@ -68,6 +69,7 @@ connect_client(struct vhd_minimal_client_echo *vhd)
if ((*vhd->options) & 2)
i.ssl_connection |= LCCSCF_USE_SSL;
i.vhost = vhd->vhost;
i.iface = *vhd->iface;
//i.protocol = ;
i.pwsi = &vhd->client_wsi;
@ -134,6 +136,9 @@ callback_minimal_client_echo(struct lws *wsi, enum lws_callback_reasons reason,
vhd->url = (const char **)lws_pvo_search(
(const struct lws_protocol_vhost_options *)in,
"url")->value;
vhd->iface = (const char **)lws_pvo_search(
(const struct lws_protocol_vhost_options *)in,
"iface")->value;
if (connect_client(vhd))
schedule_callback(wsi, LWS_CALLBACK_USER, 1);