Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 174 insertions, 0 deletions

diff --git a/src/systemctl/systemctl-list-jobs.c b/src/systemctl/systemctl-list-jobs.c
new file mode 100644
index 0000000..a752173
--- /dev/null
+++ b/src/systemctl/systemctl-list-jobs.c
@@ -0,0 +1,174 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "bus-error.h"
+#include "bus-locator.h"
+#include "locale-util.h"
+#include "systemctl-list-jobs.h"
+#include "systemctl-util.h"
+#include "systemctl.h"
+#include "terminal-util.h"
+
+static int output_waiting_jobs(sd_bus *bus, Table *table, uint32_t id, const char *method, const char *prefix) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        const char *name, *type;
+        uint32_t other_id;
+        int r;
+
+        assert(bus);
+
+        r = bus_call_method(bus, bus_systemd_mgr, method, &error, &reply, "u", id);
+        if (r < 0)
+                return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id);
+
+        r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0) {
+                _cleanup_free_ char *row = NULL;
+                int rc;
+
+                if (asprintf(&row, "%s %u (%s/%s)", prefix, other_id, name, type) < 0)
+                        return log_oom();
+
+                rc = table_add_many(table,
+                                    TABLE_STRING, special_glyph(SPECIAL_GLYPH_TREE_RIGHT),
+                                    TABLE_STRING, row,
+                                    TABLE_EMPTY,
+                                    TABLE_EMPTY);
+                if (rc < 0)
+                        return table_log_add_error(r);
+        }
+
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        r = sd_bus_message_exit_container(reply);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        return 0;
+}
+
+struct job_info {
+        uint32_t id;
+        const char *name, *type, *state;
+};
+
+static int output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) {
+        _cleanup_(table_unrefp) Table *table = NULL;
+        const char *on, *off;
+        int r;
+
+        assert(n == 0 || jobs);
+
+        if (n == 0) {
+                if (arg_legend != 0) {
+                        on = ansi_highlight_green();
+                        off = ansi_normal();
+
+                        printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off);
+                }
+                return 0;
+        }
+
+        pager_open(arg_pager_flags);
+
+        table = table_new("job", "unit", "type", "state");
+        if (!table)
+                return log_oom();
+
+        table_set_header(table, arg_legend != 0);
+        if (arg_full)
+                table_set_width(table, 0);
+
+        table_set_ersatz_string(table, TABLE_ERSATZ_DASH);
+
+        for (const struct job_info *j = jobs; j < jobs + n; j++) {
+                if (streq(j->state, "running"))
+                        on = ansi_highlight();
+                else
+                        on =  "";
+
+                r = table_add_many(table,
+                                   TABLE_UINT, j->id,
+                                   TABLE_STRING, j->name,
+                                   TABLE_SET_COLOR, on,
+                                   TABLE_STRING, j->type,
+                                   TABLE_STRING, j->state,
+                                   TABLE_SET_COLOR, on);
+                if (r < 0)
+                        return table_log_add_error(r);
+
+                if (arg_jobs_after)
+                        output_waiting_jobs(bus, table, j->id, "GetJobAfter", "\twaiting for job");
+                if (arg_jobs_before)
+                        output_waiting_jobs(bus, table, j->id, "GetJobBefore", "\tblocking job");
+        }
+
+        r = table_print(table, NULL);
+        if (r < 0)
+                return log_error_errno(r, "Failed to print the table: %m");
+
+        if (arg_legend != 0) {
+                on = ansi_highlight();
+                off = ansi_normal();
+
+                printf("\n%s%u jobs listed%s.\n", on, n, off);
+        }
+
+        return 0;
+}
+
+static bool output_show_job(struct job_info *job, char **patterns) {
+        return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE);
+}
+
+int verb_list_jobs(int argc, char *argv[], void *userdata) {
+        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
+        _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
+        _cleanup_free_ struct job_info *jobs = NULL;
+        const char *name, *type, *state;
+        bool skipped = false;
+        unsigned c = 0;
+        sd_bus *bus;
+        uint32_t id;
+        int r;
+
+        r = acquire_bus(BUS_MANAGER, &bus);
+        if (r < 0)
+                return r;
+
+        r = bus_call_method(bus, bus_systemd_mgr, "ListJobs", &error, &reply, NULL);
+        if (r < 0)
+                return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r));
+
+        r = sd_bus_message_enter_container(reply, 'a', "(usssoo)");
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) {
+                struct job_info job = { id, name, type, state };
+
+                if (!output_show_job(&job, strv_skip(argv, 1))) {
+                        skipped = true;
+                        continue;
+                }
+
+                if (!GREEDY_REALLOC(jobs, c + 1))
+                        return log_oom();
+
+                jobs[c++] = job;
+        }
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        r = sd_bus_message_exit_container(reply);
+        if (r < 0)
+                return bus_log_parse_error(r);
+
+        pager_open(arg_pager_flags);
+
+        return output_jobs_list(bus, jobs, c, skipped);
+}