+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <stdlib.h>
-#include <pthread.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#include "log.h"
-#include "util.h"
-#include "macro.h"
-
-#include "sd-bus.h"
-#include "bus-error.h"
-#include "bus-match.h"
-#include "bus-internal.h"
-#include "bus-util.h"
-
-static int match_callback(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
- log_info("Match triggered! interface=%s member=%s", strna(sd_bus_message_get_interface(m)), strna(sd_bus_message_get_member(m)));
- return 0;
-}
-
-static int object_callback(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
- int r;
-
- assert_se(bus);
-
- if (sd_bus_message_is_method_error(m, NULL))
- return 0;
-
- if (sd_bus_message_is_method_call(m, "org.object.test", "Foobar")) {
- log_info("Invoked Foobar() on %s", sd_bus_message_get_path(m));
-
- r = sd_bus_reply_method_return(m, NULL);
- if (r < 0)
- return log_error_errno(r, "Failed to send reply: %m");
-
- return 1;
- }
-
- return 0;
-}
-
-static int server_init(sd_bus **_bus) {
- sd_bus *bus = NULL;
- sd_id128_t id;
- int r;
- const char *unique;
-
- assert_se(_bus);
-
- r = sd_bus_open_user(&bus);
- if (r < 0) {
- log_error_errno(r, "Failed to connect to user bus: %m");
- goto fail;
- }
-
- r = sd_bus_get_bus_id(bus, &id);
- if (r < 0) {
- log_error_errno(r, "Failed to get server ID: %m");
- goto fail;
- }
-
- r = sd_bus_get_unique_name(bus, &unique);
- if (r < 0) {
- log_error_errno(r, "Failed to get unique name: %m");
- goto fail;
- }
-
- log_info("Peer ID is " SD_ID128_FORMAT_STR ".", SD_ID128_FORMAT_VAL(id));
- log_info("Unique ID: %s", unique);
- log_info("Can send file handles: %i", sd_bus_can_send(bus, 'h'));
-
- r = sd_bus_request_name(bus, "org.freedesktop.systemd.test", 0);
- if (r < 0) {
- log_error_errno(r, "Failed to acquire name: %m");
- goto fail;
- }
-
- r = sd_bus_add_fallback(bus, NULL, "/foo/bar", object_callback, NULL);
- if (r < 0) {
- log_error_errno(r, "Failed to add object: %m");
- goto fail;
- }
-
- r = sd_bus_add_match(bus, NULL, "type='signal',interface='foo.bar',member='Notify'", match_callback, NULL);
- if (r < 0) {
- log_error_errno(r, "Failed to add match: %m");
- goto fail;
- }
-
- r = sd_bus_add_match(bus, NULL, "type='signal',interface='org.freedesktop.DBus',member='NameOwnerChanged'", match_callback, NULL);
- if (r < 0) {
- log_error_errno(r, "Failed to add match: %m");
- goto fail;
- }
-
- bus_match_dump(&bus->match_callbacks, 0);
-
- *_bus = bus;
- return 0;
-
-fail:
- if (bus)
- sd_bus_unref(bus);
-
- return r;
-}
-
-static int server(sd_bus *bus) {
- int r;
- bool client1_gone = false, client2_gone = false;
-
- while (!client1_gone || !client2_gone) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL;
- pid_t pid = 0;
- const char *label = NULL;
-
- r = sd_bus_process(bus, &m);
- if (r < 0) {
- log_error_errno(r, "Failed to process requests: %m");
- goto fail;
- }
-
- if (r == 0) {
- r = sd_bus_wait(bus, (uint64_t) -1);
- if (r < 0) {
- log_error_errno(r, "Failed to wait: %m");
- goto fail;
- }
-
- continue;
- }
-
- if (!m)
- continue;
-
- sd_bus_creds_get_pid(sd_bus_message_get_creds(m), &pid);
- sd_bus_creds_get_selinux_context(sd_bus_message_get_creds(m), &label);
- log_info("Got message! member=%s pid="PID_FMT" label=%s",
- strna(sd_bus_message_get_member(m)),
- pid,
- strna(label));
- /* bus_message_dump(m); */
- /* sd_bus_message_rewind(m, true); */
-
- if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "LowerCase")) {
- const char *hello;
- _cleanup_free_ char *lowercase = NULL;
-
- r = sd_bus_message_read(m, "s", &hello);
- if (r < 0) {
- log_error_errno(r, "Failed to get parameter: %m");
- goto fail;
- }
-
- lowercase = strdup(hello);
- if (!lowercase) {
- r = log_oom();
- goto fail;
- }
-
- ascii_strlower(lowercase);
-
- r = sd_bus_reply_method_return(m, "s", lowercase);
- if (r < 0) {
- log_error_errno(r, "Failed to send reply: %m");
- goto fail;
- }
- } else if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "ExitClient1")) {
-
- r = sd_bus_reply_method_return(m, NULL);
- if (r < 0) {
- log_error_errno(r, "Failed to send reply: %m");
- goto fail;
- }
-
- client1_gone = true;
- } else if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "ExitClient2")) {
-
- r = sd_bus_reply_method_return(m, NULL);
- if (r < 0) {
- log_error_errno(r, "Failed to send reply: %m");
- goto fail;
- }
-
- client2_gone = true;
- } else if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "Slow")) {
-
- sleep(1);
-
- r = sd_bus_reply_method_return(m, NULL);
- if (r < 0) {
- log_error_errno(r, "Failed to send reply: %m");
- goto fail;
- }
-
- } else if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "FileDescriptor")) {
- int fd;
- static const char x = 'X';
-
- r = sd_bus_message_read(m, "h", &fd);
- if (r < 0) {
- log_error_errno(r, "Failed to get parameter: %m");
- goto fail;
- }
-
- log_info("Received fd=%d", fd);
-
- if (write(fd, &x, 1) < 0) {
- log_error_errno(errno, "Failed to write to fd: %m");
- safe_close(fd);
- goto fail;
- }
-
- r = sd_bus_reply_method_return(m, NULL);
- if (r < 0) {
- log_error_errno(r, "Failed to send reply: %m");
- goto fail;
- }
-
- } else if (sd_bus_message_is_method_call(m, NULL, NULL)) {
-
- r = sd_bus_reply_method_error(
- m,
- &SD_BUS_ERROR_MAKE_CONST(SD_BUS_ERROR_UNKNOWN_METHOD, "Unknown method."));
- if (r < 0) {
- log_error_errno(r, "Failed to send reply: %m");
- goto fail;
- }
- }
- }
-
- r = 0;
-
-fail:
- if (bus) {
- sd_bus_flush(bus);
- sd_bus_unref(bus);
- }
-
- return r;
-}
-
-static void* client1(void*p) {
- _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
- sd_bus *bus = NULL;
- sd_bus_error error = SD_BUS_ERROR_NULL;
- const char *hello;
- int r;
- int pp[2] = { -1, -1 };
- char x;
-
- r = sd_bus_open_user(&bus);
- if (r < 0) {
- log_error_errno(r, "Failed to connect to user bus: %m");
- goto finish;
- }
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd.test",
- "/",
- "org.freedesktop.systemd.test",
- "LowerCase",
- &error,
- &reply,
- "s",
- "HELLO");
- if (r < 0) {
- log_error_errno(r, "Failed to issue method call: %m");
- goto finish;
- }
-
- r = sd_bus_message_read(reply, "s", &hello);
- if (r < 0) {
- log_error_errno(r, "Failed to get string: %m");
- goto finish;
- }
-
- assert_se(streq(hello, "hello"));
-
- if (pipe2(pp, O_CLOEXEC|O_NONBLOCK) < 0) {
- log_error_errno(errno, "Failed to allocate pipe: %m");
- r = -errno;
- goto finish;
- }
-
- log_info("Sending fd=%d", pp[1]);
-
- r = sd_bus_call_method(
- bus,
- "org.freedesktop.systemd.test",
- "/",
- "org.freedesktop.systemd.test",
- "FileDescriptor",
- &error,
- NULL,
- "h",
- pp[1]);
- if (r < 0) {
- log_error_errno(r, "Failed to issue method call: %m");
- goto finish;
- }
-
- errno = 0;
- if (read(pp[0], &x, 1) <= 0) {
- log_error("Failed to read from pipe: %s", errno ? strerror(errno) : "early read");
- goto finish;
- }
-
- r = 0;
-
-finish:
- if (bus) {
- _cleanup_bus_message_unref_ sd_bus_message *q;
-
- r = sd_bus_message_new_method_call(
- bus,
- &q,
- "org.freedesktop.systemd.test",
- "/",
- "org.freedesktop.systemd.test",
- "ExitClient1");
- if (r < 0)
- log_error_errno(r, "Failed to allocate method call: %m");
- else
- sd_bus_send(bus, q, NULL);
-
- sd_bus_flush(bus);
- sd_bus_unref(bus);
- }
-
- sd_bus_error_free(&error);
-
- safe_close_pair(pp);
-
- return INT_TO_PTR(r);
-}
-
-static int quit_callback(sd_bus *b, sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
- bool *x = userdata;
-
- log_error("Quit callback: %s", strerror(sd_bus_message_get_errno(m)));
-
- *x = 1;
- return 1;
-}
-
-static void* client2(void*p) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
- sd_bus *bus = NULL;
- sd_bus_error error = SD_BUS_ERROR_NULL;
- bool quit = false;
- const char *mid;
- int r;
-
- r = sd_bus_open_user(&bus);
- if (r < 0) {
- log_error_errno(r, "Failed to connect to user bus: %m");
- goto finish;
- }
-
- r = sd_bus_message_new_method_call(
- bus,
- &m,
- "org.freedesktop.systemd.test",
- "/foo/bar/waldo/piep",
- "org.object.test",
- "Foobar");
- if (r < 0) {
- log_error_errno(r, "Failed to allocate method call: %m");
- goto finish;
- }
-
- r = sd_bus_send(bus, m, NULL);
- if (r < 0) {
- log_error("Failed to issue method call: %s", bus_error_message(&error, -r));
- goto finish;
- }
-
- sd_bus_message_unref(m);
- m = NULL;
-
- r = sd_bus_message_new_signal(
- bus,
- &m,
- "/foobar",
- "foo.bar",
- "Notify");
- if (r < 0) {
- log_error_errno(r, "Failed to allocate signal: %m");
- goto finish;
- }
-
- r = sd_bus_send(bus, m, NULL);
- if (r < 0) {
- log_error("Failed to issue signal: %s", bus_error_message(&error, -r));
- goto finish;
- }
-
- sd_bus_message_unref(m);
- m = NULL;
-
- r = sd_bus_message_new_method_call(
- bus,
- &m,
- "org.freedesktop.systemd.test",
- "/",
- "org.freedesktop.DBus.Peer",
- "GetMachineId");
- if (r < 0) {
- log_error_errno(r, "Failed to allocate method call: %m");
- goto finish;
- }
-
- r = sd_bus_call(bus, m, 0, &error, &reply);
- if (r < 0) {
- log_error("Failed to issue method call: %s", bus_error_message(&error, -r));
- goto finish;
- }
-
- r = sd_bus_message_read(reply, "s", &mid);
- if (r < 0) {
- log_error_errno(r, "Failed to parse machine ID: %m");
- goto finish;
- }
-
- log_info("Machine ID is %s.", mid);
-
- sd_bus_message_unref(m);
- m = NULL;
-
- r = sd_bus_message_new_method_call(
- bus,
- &m,
- "org.freedesktop.systemd.test",
- "/",
- "org.freedesktop.systemd.test",
- "Slow");
- if (r < 0) {
- log_error_errno(r, "Failed to allocate method call: %m");
- goto finish;
- }
-
- sd_bus_message_unref(reply);
- reply = NULL;
-
- r = sd_bus_call(bus, m, 200 * USEC_PER_MSEC, &error, &reply);
- if (r < 0)
- log_info("Failed to issue method call: %s", bus_error_message(&error, -r));
- else
- log_info("Slow call succeed.");
-
- sd_bus_message_unref(m);
- m = NULL;
-
- r = sd_bus_message_new_method_call(
- bus,
- &m,
- "org.freedesktop.systemd.test",
- "/",
- "org.freedesktop.systemd.test",
- "Slow");
- if (r < 0) {
- log_error_errno(r, "Failed to allocate method call: %m");
- goto finish;
- }
-
- r = sd_bus_call_async(bus, NULL, m, quit_callback, &quit, 200 * USEC_PER_MSEC);
- if (r < 0) {
- log_info("Failed to issue method call: %s", bus_error_message(&error, -r));
- goto finish;
- }
-
- while (!quit) {
- r = sd_bus_process(bus, NULL);
- if (r < 0) {
- log_error_errno(r, "Failed to process requests: %m");
- goto finish;
- }
- if (r == 0) {
- r = sd_bus_wait(bus, (uint64_t) -1);
- if (r < 0) {
- log_error_errno(r, "Failed to wait: %m");
- goto finish;
- }
- }
- }
-
- r = 0;
-
-finish:
- if (bus) {
- _cleanup_bus_message_unref_ sd_bus_message *q;
-
- r = sd_bus_message_new_method_call(
- bus,
- &q,
- "org.freedesktop.systemd.test",
- "/",
- "org.freedesktop.systemd.test",
- "ExitClient2");
- if (r < 0) {
- log_error_errno(r, "Failed to allocate method call: %m");
- goto finish;
- }
-
- sd_bus_send(bus, q, NULL);
- sd_bus_flush(bus);
- sd_bus_unref(bus);
- }
-
- sd_bus_error_free(&error);
- return INT_TO_PTR(r);
-}
-
-int main(int argc, char *argv[]) {
- pthread_t c1, c2;
- sd_bus *bus;
- void *p;
- int q, r;
-
- r = server_init(&bus);
- if (r < 0) {
- log_info("Failed to connect to bus, skipping tests.");
- return EXIT_TEST_SKIP;
- }
-
- log_info("Initialized...");
-
- r = pthread_create(&c1, NULL, client1, bus);
- if (r != 0)
- return EXIT_FAILURE;
-
- r = pthread_create(&c2, NULL, client2, bus);
- if (r != 0)
- return EXIT_FAILURE;
-
- r = server(bus);
-
- q = pthread_join(c1, &p);
- if (q != 0)
- return EXIT_FAILURE;
- if (PTR_TO_INT(p) < 0)
- return EXIT_FAILURE;
-
- q = pthread_join(c2, &p);
- if (q != 0)
- return EXIT_FAILURE;
- if (PTR_TO_INT(p) < 0)
- return EXIT_FAILURE;
-
- if (r < 0)
- return EXIT_FAILURE;
-
- return EXIT_SUCCESS;
-}
~ianmdlvl / elogind.git / blobdiff