add options to override the ubus socket name for the cli and the example program

diff --git a/cli.c b/cli.c
index 1a49495..0690e2a 100644 (file)
--- a/cli.c
+++ b/cli.c
@@ -1,3 +1,5 @@
+#include <unistd.h>
+
 #include <libubox/blobmsg_json.h>
 #include "libubus.h"
 
@@ -55,18 +57,6 @@ static void receive_data(struct ubus_request *req, int type, struct blob_attr *m
 }
 
 
-static int usage(char *prog)
-{
-       fprintf(stderr,
-               "Usage: %s <command> [arguments...]\n"
-               "Commands:\n"
-               " - list [<path>]                       List objects\n"
-               " - call <path> <method> [<message>]    Call an object method\n"
-               " - listen [<path>...]                  Listen for events\n"
-               "\n", prog);
-       return 1;
-}
-
 static void receive_event(struct ubus_context *ctx, struct ubus_event_handler *ev,
                          const char *type, struct blob_attr *msg)
 {
@@ -115,48 +105,83 @@ static int ubus_cli_listen(struct ubus_context *ctx, int argc, char **argv)
        return 0;
 }
 
+static int usage(const char *prog)
+{
+       fprintf(stderr,
+               "Usage: %s [<options>] <command> [arguments...]\n"
+               "Options:\n"
+               " -s <socket>:          Set the unix domain socket to connect to\n"
+               "\n"
+               "Commands:\n"
+               " - list [<path>]                       List objects\n"
+               " - call <path> <method> [<message>]    Call an object method\n"
+               " - listen [<path>...]                  Listen for events\n"
+               "\n", prog);
+       return 1;
+}
+
 int main(int argc, char **argv)
 {
+       const char *progname, *ubus_socket = NULL;
        static struct ubus_context *ctx;
        char *cmd;
        int ret = 0;
+       int ch;
 
-       ctx = ubus_connect(NULL);
+       progname = argv[0];
+
+       while ((ch = getopt(argc, argv, "s:")) != -1) {
+               switch (ch) {
+               case 's':
+                       ubus_socket = optarg;
+                       break;
+               default:
+                       return usage(progname);
+               }
+       }
+
+       argc -= optind;
+       argv += optind;
+
+       ctx = ubus_connect(ubus_socket);
        if (!ctx) {
                fprintf(stderr, "Failed to connect to ubus\n");
                return -1;
        }
 
-       cmd = argv[1];
-       if (argc < 2)
-               return usage(argv[0]);
+       cmd = argv[0];
+       if (argc < 1)
+               return usage(progname);
+
+       argv++;
+       argc--;
 
        if (!strcmp(cmd, "list")) {
                const char *path = NULL;
 
-               if (argc == 3)
-                       path = argv[2];
+               if (argc == 1)
+                       path = argv[0];
 
                ret = ubus_lookup(ctx, path, receive_lookup, NULL);
        } else if (!strcmp(cmd, "call")) {
                uint32_t id;
 
-               if (argc < 4 || argc > 5)
-                       return usage(argv[0]);
+               if (argc < 2 || argc > 3)
+                       return usage(progname);
 
                blob_buf_init(&b, 0);
-               if (argc == 5 && !blobmsg_add_json_from_string(&b, argv[4])) {
+               if (argc == 3 && !blobmsg_add_json_from_string(&b, argv[2])) {
                        fprintf(stderr, "Failed to parse message data\n");
                        goto out;
                }
 
-               ret = ubus_lookup_id(ctx, argv[2], &id);
+               ret = ubus_lookup_id(ctx, argv[0], &id);
                if (!ret)
-                       ret = ubus_invoke(ctx, id, argv[3], b.head, receive_data, NULL);
+                       ret = ubus_invoke(ctx, id, argv[1], b.head, receive_data, NULL);
        } else if (!strcmp(cmd, "listen")) {
-               ret = ubus_cli_listen(ctx, argc - 2, argv + 2);
+               ret = ubus_cli_listen(ctx, argc, argv);
        } else {
-               return usage(argv[0]);
+               return usage(progname);
        }
 
        if (ret)

diff --git a/ubus-example.c b/ubus-example.c
index f84f2b4..298a7dd 100644 (file)
--- a/ubus-example.c
+++ b/ubus-example.c
@@ -1,3 +1,5 @@
+#include <unistd.h>
+
 #include "libubus.h"
 
 static struct ubus_context *ctx;
@@ -68,9 +70,26 @@ static struct ubus_object test_object2 = {
 
 int main(int argc, char **argv)
 {
-       int ret;
+       const char *progname, *ubus_socket = NULL;
+       int ret = 0;
+       int ch;
+
+       progname = argv[0];
+
+       while ((ch = getopt(argc, argv, "s:")) != -1) {
+               switch (ch) {
+               case 's':
+                       ubus_socket = optarg;
+                       break;
+               default:
+                       break;
+               }
+       }
+
+       argc -= optind;
+       argv += optind;
 
-       ctx = ubus_connect(NULL);
+       ctx = ubus_connect(ubus_socket);
        if (!ctx) {
                fprintf(stderr, "Failed to connect to ubus\n");
                return -1;