luci2: add led_list and usb_list calls

diff --git a/luci2.c b/luci2.c
index 3ef63786a9e8239172cbe03c405506de8b1dc7d0..86b00fae0febadba0de825068907d68f951033f2 100644 (file)
--- a/luci2.c
+++ b/luci2.c
@@ -769,6 +769,183 @@ rpc_luci2_password_set(struct ubus_context *ctx, struct ubus_object *obj,
        }
 }
 
+static int
+rpc_luci2_led_list(struct ubus_context *ctx, struct ubus_object *obj,
+                   struct ubus_request_data *req, const char *method,
+                   struct blob_attr *msg)
+{
+       DIR *d;
+       FILE *f;
+       void *list, *led, *trigger;
+       char *p, *active_trigger, line[512];
+       struct dirent *e;
+
+       if (!(d = opendir("/sys/class/leds")))
+               return rpc_errno_status();
+
+       blob_buf_init(&buf, 0);
+       list = blobmsg_open_array(&buf, "leds");
+
+       while ((e = readdir(d)) != NULL)
+       {
+               snprintf(line, sizeof(line) - 1, "/sys/class/leds/%s/trigger",
+                        e->d_name);
+
+               if (!(f = fopen(line, "r")))
+                       continue;
+
+               led = blobmsg_open_table(&buf, NULL);
+
+               blobmsg_add_string(&buf, "name", e->d_name);
+
+               if (fgets(line, sizeof(line) - 1, f))
+               {
+                       trigger = blobmsg_open_array(&buf, "triggers");
+
+                       for (p = strtok(line, " \n"), active_trigger = NULL;
+                            p != NULL;
+                            p = strtok(NULL, " \n"))
+                       {
+                               if (*p == '[')
+                               {
+                                       *(p + strlen(p) - 1) = 0;
+                                       *p++ = 0;
+                                       active_trigger = p;
+                               }
+
+                               blobmsg_add_string(&buf, NULL, p);
+                       }
+
+                       blobmsg_close_array(&buf, trigger);
+
+                       if (active_trigger)
+                               blobmsg_add_string(&buf, "active_trigger", active_trigger);
+               }
+
+               fclose(f);
+
+               snprintf(line, sizeof(line) - 1, "/sys/class/leds/%s/brightness",
+                        e->d_name);
+
+               if ((f = fopen(line, "r")) != NULL)
+               {
+                       if (fgets(line, sizeof(line) - 1, f))
+                               blobmsg_add_u32(&buf, "brightness", atoi(line));
+
+                       fclose(f);
+               }
+
+               snprintf(line, sizeof(line) - 1, "/sys/class/leds/%s/max_brightness",
+                        e->d_name);
+
+               if ((f = fopen(line, "r")) != NULL)
+               {
+                       if (fgets(line, sizeof(line) - 1, f))
+                               blobmsg_add_u32(&buf, "max_brightness", atoi(line));
+
+                       fclose(f);
+               }
+
+               blobmsg_close_table(&buf, led);
+       }
+
+       closedir(d);
+
+       blobmsg_close_array(&buf, list);
+       ubus_send_reply(ctx, req, buf.head);
+
+       return 0;
+}
+
+static int
+rpc_luci2_usb_list(struct ubus_context *ctx, struct ubus_object *obj,
+                   struct ubus_request_data *req, const char *method,
+                   struct blob_attr *msg)
+{
+       DIR *d;
+       FILE *f;
+       int i;
+       void *list, *device;
+       char *p, line[512];
+       struct stat s;
+       struct dirent *e;
+
+       const char *attributes[] = {
+               "manufacturer", "vendor_name",  "s",
+               "product",      "product_name", "s",
+               "idVendor",     "vendor_id",    "x",
+               "idProduct",    "product_id",   "x",
+               "serial",       "serial",       "s",
+               "speed",        "speed",        "d",
+       };
+
+       if (!(d = opendir("/sys/bus/usb/devices")))
+               return rpc_errno_status();
+
+       blob_buf_init(&buf, 0);
+       list = blobmsg_open_array(&buf, "devices");
+
+       while ((e = readdir(d)) != NULL)
+       {
+               if (e->d_name[0] < '0' || e->d_name[0] > '9')
+                       continue;
+
+               snprintf(line, sizeof(line) - 1,
+                        "/sys/bus/usb/devices/%s/%s", e->d_name, attributes[0]);
+
+               if (stat(line, &s))
+                       continue;
+
+               device = blobmsg_open_table(&buf, NULL);
+
+               blobmsg_add_string(&buf, "name", e->d_name);
+
+               for (i = 0; i < sizeof(attributes) / sizeof(attributes[0]); i += 3)
+               {
+                       snprintf(line, sizeof(line) - 1,
+                                        "/sys/bus/usb/devices/%s/%s", e->d_name, attributes[i]);
+
+                       if (!(f = fopen(line, "r")))
+                               continue;
+
+                       if (fgets(line, sizeof(line) - 1, f))
+                       {
+                               switch (*attributes[i+2])
+                               {
+                               case 'x':
+                                       blobmsg_add_u32(&buf, attributes[i+1],
+                                                       strtoul(line, NULL, 16));
+                                       break;
+
+                               case 'd':
+                                       blobmsg_add_u32(&buf, attributes[i+1],
+                                                       strtoul(line, NULL, 10));
+                                       break;
+
+                               default:
+                                       if ((p = strchr(line, '\n')) != NULL)
+                                               while (p > line && isspace(*p))
+                                                       *p-- = 0;
+
+                                       blobmsg_add_string(&buf, attributes[i+1], line);
+                                       break;
+                               }
+                       }
+
+                       fclose(f);
+               }
+
+               blobmsg_close_table(&buf, device);
+       }
+
+       closedir(d);
+
+       blobmsg_close_array(&buf, list);
+       ubus_send_reply(ctx, req, buf.head);
+
+       return 0;
+}
+
 
 static FILE *
 dnsmasq_leasefile(void)
@@ -1562,7 +1739,9 @@ int rpc_luci2_api_init(struct ubus_context *ctx)
                UBUS_METHOD("sshkeys_set",        rpc_luci2_sshkeys_set,
                                                  rpc_sshkey_policy),
                UBUS_METHOD("password_set",       rpc_luci2_password_set,
-                                                 rpc_password_policy)
+                                                 rpc_password_policy),
+               UBUS_METHOD_NOARG("led_list",     rpc_luci2_led_list),
+               UBUS_METHOD_NOARG("usb_list",     rpc_luci2_usb_list)
        };
 
        static struct ubus_object_type luci2_system_type =