#include <assert.h>
#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-message.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(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) {
+ log_error("Failed to send reply: %s", strerror(-r));
+ return r;
+ }
+
+ 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(_bus);
goto fail;
}
+ r = sd_bus_get_server_id(bus, &id);
+ if (r < 0) {
+ log_error("Failed to get server ID: %s", strerror(-r));
+ goto fail;
+ }
+
+ r = sd_bus_get_unique_name(bus, &unique);
+ if (r < 0) {
+ log_error("Failed to get unique name: %s", strerror(-r));
+ 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("Failed to acquire name: %s", strerror(-r));
goto fail;
}
+ r = sd_bus_add_fallback(bus, "/foo/bar", object_callback, NULL);
+ if (r < 0) {
+ log_error("Failed to add object: %s", strerror(-r));
+ goto fail;
+ }
+
+ r = sd_bus_add_match(bus, "type='signal',interface='foo.bar',member='Notify'", match_callback, NULL);
+ if (r < 0) {
+ log_error("Failed to add match: %s", strerror(-r));
+ goto fail;
+ }
+
+ r = sd_bus_add_match(bus, "type='signal',interface='org.freedesktop.DBus',member='NameOwnerChanged'", match_callback, NULL);
+ if (r < 0) {
+ log_error("Failed to add match: %s", strerror(-r));
+ goto fail;
+ }
+
+ bus_match_dump(&bus->match_callbacks, 0);
+
*_bus = bus;
return 0;
return r;
}
-static void* server(void *p) {
- sd_bus *bus = p;
+static int server(sd_bus *bus) {
int r;
+ bool client1_gone = false, client2_gone = false;
- for (;;) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
+ 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("Failed to process requests: %s", strerror(-r));
goto fail;
}
+
if (r == 0) {
r = sd_bus_wait(bus, (uint64_t) -1);
if (r < 0) {
continue;
}
- log_info("Got message! %s", strna(sd_bus_message_get_member(m)));
+ 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=%lu label=%s",
+ strna(sd_bus_message_get_member(m)),
+ (unsigned long) pid,
+ strna(label));
/* bus_message_dump(m); */
/* sd_bus_message_rewind(m, true); */
goto fail;
}
- r = sd_bus_message_new_method_return(bus, m, &reply);
- if (r < 0) {
- log_error("Failed to allocate return: %s", strerror(-r));
- goto fail;
- }
-
lowercase = strdup(hello);
if (!lowercase) {
r = log_oom();
ascii_strlower(lowercase);
- r = sd_bus_message_append(reply, "s", lowercase);
+ r = sd_bus_reply_method_return(m, "s", lowercase);
if (r < 0) {
- log_error("Failed to append message: %s", strerror(-r));
+ log_error("Failed to send reply: %s", strerror(-r));
goto fail;
}
- } else if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "Exit"))
- break;
- else if (sd_bus_message_is_method_call(m, NULL, NULL)) {
- const sd_bus_error e = SD_BUS_ERROR_INIT_CONST("org.freedesktop.DBus.Error.UnknownMethod", "Unknown method.");
+ } else if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "ExitClient1")) {
- r = sd_bus_message_new_method_error(bus, m, &e, &reply);
+ r = sd_bus_reply_method_return(m, NULL);
if (r < 0) {
- log_error("Failed to allocate return: %s", strerror(-r));
+ log_error("Failed to send reply: %s", strerror(-r));
+ 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("Failed to send reply: %s", strerror(-r));
+ 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("Failed to send reply: %s", strerror(-r));
+ 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("Failed to get parameter: %s", strerror(-r));
+ goto fail;
+ }
+
+ log_info("Received fd=%d", fd);
+
+ if (write(fd, &x, 1) < 0) {
+ log_error("Failed to write to fd: %m");
+ close_nointr_nofail(fd);
+ goto fail;
+ }
+
+ r = sd_bus_reply_method_return(m, NULL);
+ if (r < 0) {
+ log_error("Failed to send reply: %s", strerror(-r));
goto fail;
}
- }
- if (reply) {
- r = sd_bus_send(bus, reply, NULL);
+ } 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("Failed to send reply: %s", strerror(-r));
goto fail;
r = 0;
fail:
- if (bus)
+ if (bus) {
+ sd_bus_flush(bus);
sd_bus_unref(bus);
+ }
- return INT_TO_PTR(r);
+ return r;
}
-static int client(void) {
- _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL;
+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_INIT;
+ 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) {
goto finish;
}
- r = sd_bus_message_new_method_call(
+ r = sd_bus_call_method(
bus,
"org.freedesktop.systemd.test",
"/",
"org.freedesktop.systemd.test",
"LowerCase",
+ &error,
+ &reply,
+ "s",
+ "HELLO");
+ if (r < 0) {
+ log_error("Failed to issue method call: %s", strerror(-r));
+ goto finish;
+ }
+
+ r = sd_bus_message_read(reply, "s", &hello);
+ if (r < 0) {
+ log_error("Failed to get string: %s", strerror(-r));
+ goto finish;
+ }
+
+ assert(streq(hello, "hello"));
+
+ if (pipe2(pp, O_CLOEXEC|O_NONBLOCK) < 0) {
+ log_error("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("Failed to issue method call: %s", strerror(-r));
+ 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,
+ "org.freedesktop.systemd.test",
+ "/",
+ "org.freedesktop.systemd.test",
+ "ExitClient1",
+ &q);
+ if (r < 0)
+ log_error("Failed to allocate method call: %s", strerror(-r));
+ else
+ sd_bus_send(bus, q, NULL);
+
+ sd_bus_flush(bus);
+ sd_bus_unref(bus);
+ }
+
+ sd_bus_error_free(&error);
+
+ close_pipe(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("Failed to connect to user bus: %s", strerror(-r));
+ goto finish;
+ }
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ "org.freedesktop.systemd.test",
+ "/foo/bar/waldo/piep",
+ "org.object.test",
+ "Foobar",
&m);
if (r < 0) {
log_error("Failed to allocate method call: %s", strerror(-r));
goto finish;
}
- r = sd_bus_message_append(m, "s", "HELLO");
+ r = sd_bus_send(bus, m, NULL);
if (r < 0) {
- log_error("Failed to append string: %s", strerror(-r));
+ log_error("Failed to issue method call: %s", bus_error_message(&error, -r));
goto finish;
}
- r = sd_bus_send_with_reply_and_block(bus, m, (uint64_t) -1, &error, &reply);
+ sd_bus_message_unref(m);
+ m = NULL;
+
+ r = sd_bus_message_new_signal(
+ bus,
+ "/foobar",
+ "foo.bar",
+ "Notify",
+ &m);
if (r < 0) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to allocate signal: %s", strerror(-r));
goto finish;
}
- r = sd_bus_message_read(reply, "s", &hello);
+ r = sd_bus_send(bus, m, NULL);
if (r < 0) {
- log_error("Failed to get string: %s", strerror(-r));
+ log_error("Failed to issue signal: %s", bus_error_message(&error, -r));
goto finish;
}
- assert(streq(hello, "hello"));
+ sd_bus_message_unref(m);
+ m = NULL;
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ "org.freedesktop.systemd.test",
+ "/",
+ "org.freedesktop.DBus.Peer",
+ "GetMachineId",
+ &m);
+ if (r < 0) {
+ log_error("Failed to allocate method call: %s", strerror(-r));
+ 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("Failed to parse machine ID: %s", strerror(-r));
+ goto finish;
+ }
+
+ log_info("Machine ID is %s.", mid);
+
+ sd_bus_message_unref(m);
+ m = NULL;
+
+ r = sd_bus_message_new_method_call(
+ bus,
+ "org.freedesktop.systemd.test",
+ "/",
+ "org.freedesktop.systemd.test",
+ "Slow",
+ &m);
+ if (r < 0) {
+ log_error("Failed to allocate method call: %s", strerror(-r));
+ 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,
+ "org.freedesktop.systemd.test",
+ "/",
+ "org.freedesktop.systemd.test",
+ "Slow",
+ &m);
+ if (r < 0) {
+ log_error("Failed to allocate method call: %s", strerror(-r));
+ goto finish;
+ }
+
+ r = sd_bus_call_async(bus, m, quit_callback, &quit, 200 * USEC_PER_MSEC, NULL);
+ 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("Failed to process requests: %s", strerror(-r));
+ goto finish;
+ }
+ if (r == 0) {
+ r = sd_bus_wait(bus, (uint64_t) -1);
+ if (r < 0) {
+ log_error("Failed to wait: %s", strerror(-r));
+ goto finish;
+ }
+ }
+ }
r = 0;
"org.freedesktop.systemd.test",
"/",
"org.freedesktop.systemd.test",
- "Exit",
+ "ExitClient2",
&q);
if (r < 0) {
log_error("Failed to allocate method call: %s", strerror(-r));
}
sd_bus_error_free(&error);
- return r;
+ return INT_TO_PTR(r);
}
int main(int argc, char *argv[]) {
- pthread_t t;
+ pthread_t c1, c2;
sd_bus *bus;
void *p;
int q, r;
r = server_init(&bus);
- if (r < 0)
+ 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(&t, NULL, server, bus);
- if (r != 0) {
- sd_bus_unref(bus);
+ r = pthread_create(&c2, NULL, client2, bus);
+ if (r != 0)
return EXIT_FAILURE;
- }
- r = client();
+ r = server(bus);
- q = pthread_join(t, &p);
+ 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;
~ianmdlvl / elogind.git / blobdiff