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path: root/src/libsystemd/sd-bus/busctl.c
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Diffstat (limited to 'src/libsystemd/sd-bus/busctl.c')
-rw-r--r--src/libsystemd/sd-bus/busctl.c87
1 files changed, 50 insertions, 37 deletions
diff --git a/src/libsystemd/sd-bus/busctl.c b/src/libsystemd/sd-bus/busctl.c
index 35fabf038c..bfe967bfb0 100644
--- a/src/libsystemd/sd-bus/busctl.c
+++ b/src/libsystemd/sd-bus/busctl.c
@@ -62,15 +62,6 @@ static bool arg_allow_interactive_authorization = true;
static bool arg_augment_creds = true;
static usec_t arg_timeout = 0;
-static void pager_open_if_enabled(void) {
-
- /* Cache result before we open the pager */
- if (arg_no_pager)
- return;
-
- pager_open(false);
-}
-
#define NAME_IS_ACQUIRED INT_TO_PTR(1)
#define NAME_IS_ACTIVATABLE INT_TO_PTR(2)
@@ -95,7 +86,7 @@ static int list_bus_names(sd_bus *bus, char **argv) {
if (r < 0)
return log_error_errno(r, "Failed to list names: %m");
- pager_open_if_enabled();
+ pager_open(arg_no_pager, false);
names = hashmap_new(&string_hash_ops);
if (!names)
@@ -258,8 +249,8 @@ static void print_subtree(const char *prefix, const char *path, char **l) {
l++;
}
- vertical = strjoina(prefix, draw_special_char(DRAW_TREE_VERTICAL));
- space = strjoina(prefix, draw_special_char(DRAW_TREE_SPACE));
+ vertical = strjoina(prefix, special_glyph(TREE_VERTICAL));
+ space = strjoina(prefix, special_glyph(TREE_SPACE));
for (;;) {
bool has_more = false;
@@ -280,7 +271,7 @@ static void print_subtree(const char *prefix, const char *path, char **l) {
n++;
}
- printf("%s%s%s\n", prefix, draw_special_char(has_more ? DRAW_TREE_BRANCH : DRAW_TREE_RIGHT), *l);
+ printf("%s%s%s\n", prefix, special_glyph(has_more ? TREE_BRANCH : TREE_RIGHT), *l);
print_subtree(has_more ? vertical : space, *l, l);
l = n;
@@ -289,7 +280,7 @@ static void print_subtree(const char *prefix, const char *path, char **l) {
static void print_tree(const char *prefix, char **l) {
- pager_open_if_enabled();
+ pager_open(arg_no_pager, false);
prefix = strempty(prefix);
@@ -409,7 +400,7 @@ static int tree_one(sd_bus *bus, const char *service, const char *prefix, bool m
p = NULL;
}
- pager_open_if_enabled();
+ pager_open(arg_no_pager, false);
l = set_get_strv(done);
if (!l)
@@ -438,7 +429,7 @@ static int tree(sd_bus *bus, char **argv) {
if (r < 0)
return log_error_errno(r, "Failed to get name list: %m");
- pager_open_if_enabled();
+ pager_open(arg_no_pager, false);
STRV_FOREACH(i, names) {
int q;
@@ -468,7 +459,7 @@ static int tree(sd_bus *bus, char **argv) {
printf("\n");
if (argv[2]) {
- pager_open_if_enabled();
+ pager_open(arg_no_pager, false);
printf("Service %s%s%s:\n", ansi_highlight(), *i, ansi_normal());
}
@@ -501,8 +492,10 @@ static int format_cmdline(sd_bus_message *m, FILE *f, bool needs_space) {
} basic;
r = sd_bus_message_peek_type(m, &type, &contents);
- if (r <= 0)
+ if (r < 0)
return r;
+ if (r == 0)
+ return needs_space;
if (bus_type_is_container(type) > 0) {
@@ -533,18 +526,23 @@ static int format_cmdline(sd_bus_message *m, FILE *f, bool needs_space) {
fputc(' ', f);
fprintf(f, "%u", n);
+ needs_space = true;
+
} else if (type == SD_BUS_TYPE_VARIANT) {
if (needs_space)
fputc(' ', f);
fprintf(f, "%s", contents);
+ needs_space = true;
}
- r = format_cmdline(m, f, needs_space || IN_SET(type, SD_BUS_TYPE_ARRAY, SD_BUS_TYPE_VARIANT));
+ r = format_cmdline(m, f, needs_space);
if (r < 0)
return r;
+ needs_space = r > 0;
+
r = sd_bus_message_exit_container(m);
if (r < 0)
return r;
@@ -985,7 +983,7 @@ static int introspect(sd_bus *bus, char **argv) {
return bus_log_parse_error(r);
}
- pager_open_if_enabled();
+ pager_open(arg_no_pager, false);
name_width = strlen("NAME");
type_width = strlen("TYPE");
@@ -1081,10 +1079,21 @@ static int message_pcap(sd_bus_message *m, FILE *f) {
}
static int monitor(sd_bus *bus, char *argv[], int (*dump)(sd_bus_message *m, FILE *f)) {
- bool added_something = false;
+ _cleanup_(sd_bus_message_unrefp) sd_bus_message *message = NULL;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
char **i;
+ uint32_t flags = 0;
int r;
+ /* upgrade connection; it's not used for anything else after this call */
+ r = sd_bus_message_new_method_call(bus, &message, "org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus.Monitoring", "BecomeMonitor");
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_open_container(message, 'a', "s");
+ if (r < 0)
+ return bus_log_create_error(r);
+
STRV_FOREACH(i, argv+1) {
_cleanup_free_ char *m = NULL;
@@ -1097,34 +1106,38 @@ static int monitor(sd_bus *bus, char *argv[], int (*dump)(sd_bus_message *m, FIL
if (!m)
return log_oom();
- r = sd_bus_add_match(bus, NULL, m, NULL, NULL);
+ r = sd_bus_message_append_basic(message, 's', m);
if (r < 0)
- return log_error_errno(r, "Failed to add match: %m");
+ return bus_log_create_error(r);
free(m);
m = strjoin("destination='", *i, "'", NULL);
if (!m)
return log_oom();
- r = sd_bus_add_match(bus, NULL, m, NULL, NULL);
+ r = sd_bus_message_append_basic(message, 's', m);
if (r < 0)
- return log_error_errno(r, "Failed to add match: %m");
-
- added_something = true;
+ return bus_log_create_error(r);
}
STRV_FOREACH(i, arg_matches) {
- r = sd_bus_add_match(bus, NULL, *i, NULL, NULL);
+ r = sd_bus_message_append_basic(message, 's', *i);
if (r < 0)
- return log_error_errno(r, "Failed to add match: %m");
-
- added_something = true;
+ return bus_log_create_error(r);
}
- if (!added_something) {
- r = sd_bus_add_match(bus, NULL, "", NULL, NULL);
- if (r < 0)
- return log_error_errno(r, "Failed to add match: %m");
+ r = sd_bus_message_close_container(message);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_message_append_basic(message, 'u', &flags);
+ if (r < 0)
+ return bus_log_create_error(r);
+
+ r = sd_bus_call(bus, message, arg_timeout, &error, NULL);
+ if (r < 0) {
+ log_error("%s", bus_error_message(&error, r));
+ return r;
}
log_info("Monitoring bus message stream.");
@@ -1552,7 +1565,7 @@ static int call(sd_bus *bus, char *argv[]) {
if (r == 0 && !arg_quiet) {
if (arg_verbose) {
- pager_open_if_enabled();
+ pager_open(arg_no_pager, false);
r = bus_message_dump(reply, stdout, 0);
if (r < 0)
@@ -1607,7 +1620,7 @@ static int get_property(sd_bus *bus, char *argv[]) {
return bus_log_parse_error(r);
if (arg_verbose) {
- pager_open_if_enabled();
+ pager_open(arg_no_pager, false);
r = bus_message_dump(reply, stdout, BUS_MESSAGE_DUMP_SUBTREE_ONLY);
if (r < 0)
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-07 11:32:17 +0000