Add support of websocket proxying.

native/mod_manager/mod_manager.c

@@ -113,6 +113,8 @@
#define TEXT_PLAIN 1
#define TEXT_XML 2

static int use_ws = 0;

/* shared memory */
static mem_t *contextstatsmem = NULL;
static mem_t *nodestatsmem = NULL;
@@ -515,6 +517,11 @@ static int manager_init(apr_pool_t *p, apr_pool_t *plog,
        /* first call do nothing */
        apr_pool_userdata_set((const void *)1, userdata_key, apr_pool_cleanup_null, s->process->pool);
        return OK;
    } else {
        /* check if we should use ws or http */
        if (ap_find_linked_module("mod_proxy_wstunnel.c") != NULL) {
           use_ws = -1;
        }
    }

    if (mconf->basefilename) {
@@ -993,6 +1000,12 @@ static char * process_config(request_rec *r, char **ptr, int *errtype)
        return SROUBAD;
    }

    if (use_ws && strcmp(nodeinfo.mess.Type, "ajp")) {
        if (!strcmp(nodeinfo.mess.Type, "http"))
            strcpy(nodeinfo.mess.Type, "ws");
        if (!strcmp(nodeinfo.mess.Type, "https"))
            strcpy(nodeinfo.mess.Type, "wss");
    }
    /* Insert or update balancer description */
    if (insert_update_balancer(balancerstatsmem, &balancerinfo) != APR_SUCCESS) {
        *errtype = TYPEMEM;