use jackwsmeter.html from installation directory

diff --git a/jackwsmeter.c b/jackwsmeter.c
index dfe73bc19131aa7e3df06b22e903f3b586dafe58..71219b598d6eb4879bf4bca9ab02e2c53e88a0c9 100644 (file)
--- a/jackwsmeter.c
+++ b/jackwsmeter.c
@@ -78,11 +78,22 @@ static int callback_http(struct libwebsocket_context *context,
 {
        int m;
        int fd = (int)(long)user;
+       char *html_filepath;
 
        switch (reason) {
        case LWS_CALLBACK_HTTP:
-               if (libwebsockets_serve_http_file(context, wsi, "jackwsmeter.html", "text/html"))
+               html_filepath = malloc(strlen(DATADIR "/jackwsmeter.html") + 1);
+               strcpy(html_filepath, DATADIR "jackwsmeter.html\n\n");
+               if (access(html_filepath, F_OK) != 0) {
+                       /* it doesn't exist in the system directory, fall back
+                        * on the current directory. */
+                       strcpy(html_filepath, "jackwsmeter.html");
+               }
+               if (libwebsockets_serve_http_file(context, wsi, html_filepath, "text/html")) {
+                       free(html_filepath);
                        return 1; /* through completion or error, close the socket */
+               }
+               free(html_filepath);
 
                break;