X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flibsystemd-bus%2Ftest-bus-chat.c;h=f308eddbb0191ccaa91518f287e928706f4084c2;hp=d8677cc9e8a490435bac773bec896b2c09e1c014;hb=eb01ba5de14859d7a94835ab9299de40132d549a;hpb=b9bf7e2be93fe25e0e96e06ad436d43a1e589ed5 diff --git a/src/libsystemd-bus/test-bus-chat.c b/src/libsystemd-bus/test-bus-chat.c index d8677cc9e..f308eddbb 100644 --- a/src/libsystemd-bus/test-bus-chat.c +++ b/src/libsystemd-bus/test-bus-chat.c @@ -23,17 +23,51 @@ #include #include #include +#include #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" + +static int match_callback(sd_bus *bus, sd_bus_message *m, void *userdata) { + 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) { + 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(bus, 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); @@ -43,12 +77,48 @@ static int server_init(sd_bus **_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; @@ -64,7 +134,9 @@ static int server(sd_bus *bus) { bool client1_gone = false, client2_gone = false; while (!client1_gone || !client2_gone) { - _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; + _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) { @@ -85,7 +157,12 @@ static int server(sd_bus *bus) { if (!m) continue; - log_info("Got message! %s", strna(sd_bus_message_get_member(m))); + sd_bus_message_get_pid(m, &pid); + sd_bus_message_get_selinux_context(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); */ @@ -99,12 +176,6 @@ static int server(sd_bus *bus) { 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(); @@ -113,58 +184,70 @@ static int server(sd_bus *bus) { ascii_strlower(lowercase); - r = sd_bus_message_append(reply, "s", lowercase); + r = sd_bus_reply_method_return(bus, 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", "ExitClient1")) { - r = sd_bus_message_new_method_return(bus, m, &reply); + r = sd_bus_reply_method_return(bus, 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_message_new_method_return(bus, m, &reply); + r = sd_bus_reply_method_return(bus, 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; } client2_gone = true; } else if (sd_bus_message_is_method_call(m, "org.freedesktop.systemd.test", "Slow")) { - r = sd_bus_message_new_method_return(bus, m, &reply); + sleep(1); + + r = sd_bus_reply_method_return(bus, 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; } - sleep(1); - } 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", "FileDescriptor")) { + int fd; + static const char x = 'X'; - r = sd_bus_message_new_method_error(bus, m, &e, &reply); + r = sd_bus_message_read(m, "h", &fd); if (r < 0) { - log_error("Failed to allocate return: %s", strerror(-r)); + log_error("Failed to get parameter: %s", strerror(-r)); goto fail; } - } - if (reply) { - r = sd_bus_send(bus, reply, NULL); + 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(bus, m, NULL); if (r < 0) { log_error("Failed to send reply: %s", strerror(-r)); goto fail; } - /* log_info("Sent"); */ - /* bus_message_dump(reply); */ - /* sd_bus_message_rewind(reply, true); */ + } else if (sd_bus_message_is_method_call(m, NULL, NULL)) { + + r = sd_bus_reply_method_error( + bus, m, + &SD_BUS_ERROR_MAKE("org.freedesktop.DBus.Error.UnknownMethod", "Unknown method.")); + if (r < 0) { + log_error("Failed to send reply: %s", strerror(-r)); + goto fail; + } } } @@ -180,11 +263,13 @@ fail: } static void* client1(void*p) { - _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; + _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) { @@ -192,37 +277,55 @@ static void* client1(void*p) { goto finish; } - r = sd_bus_message_new_method_call( + r = sd_bus_call_method( bus, "org.freedesktop.systemd.test", "/", "org.freedesktop.systemd.test", "LowerCase", - &m); + &error, + &reply, + "s", + "HELLO"); if (r < 0) { - log_error("Failed to allocate method call: %s", strerror(-r)); + log_error("Failed to issue method call: %s", strerror(-r)); goto finish; } - r = sd_bus_message_append(m, "s", "HELLO"); + r = sd_bus_message_read(reply, "s", &hello); if (r < 0) { - log_error("Failed to append string: %s", strerror(-r)); + log_error("Failed to get string: %s", strerror(-r)); goto finish; } - r = sd_bus_send_with_reply_and_block(bus, m, 0, &error, &reply); - if (r < 0) { - log_error("Failed to issue method call: %s", bus_error_message(&error, -r)); + assert(streq(hello, "hello")); + + if (pipe2(pp, O_CLOEXEC|O_NONBLOCK) < 0) { + log_error("Failed to allocate pipe: %m"); + r = -errno; goto finish; } - r = sd_bus_message_read(reply, "s", &hello); + 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 get string: %s", strerror(-r)); + log_error("Failed to issue method call: %s", strerror(-r)); goto finish; } - assert(streq(hello, "hello")); + 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; @@ -237,24 +340,26 @@ finish: "org.freedesktop.systemd.test", "ExitClient1", &q); - if (r < 0) { + if (r < 0) log_error("Failed to allocate method call: %s", strerror(-r)); - goto finish; - } + else + sd_bus_send(bus, q, NULL); - 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, int ret, sd_bus_message *m, void *userdata) { +static int quit_callback(sd_bus *b, sd_bus_message *m, void *userdata) { bool *x = userdata; - log_error("Quit callback: %s", strerror(ret)); + log_error("Quit callback: %s", strerror(bus_message_to_errno(m))); *x = 1; return 1; @@ -263,7 +368,7 @@ static int quit_callback(sd_bus *b, int ret, sd_bus_message *m, void *userdata) 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_INIT; + sd_bus_error error = SD_BUS_ERROR_NULL; bool quit = false; const char *mid; int r; @@ -274,6 +379,47 @@ static void* client2(void*p) { 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_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, + "/foobar", + "foo.bar", + "Notify", + &m); + if (r < 0) { + log_error("Failed to allocate signal: %s", strerror(-r)); + 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, "org.freedesktop.systemd.test", @@ -394,8 +540,10 @@ int main(int argc, char *argv[]) { int q, r; r = server_init(&bus); - if (r < 0) - return EXIT_FAILURE; + if (r < 0) { + log_info("Failed to connect to bus, skipping tests."); + return EXIT_TEST_SKIP; + } log_info("Initialized..."); @@ -412,9 +560,15 @@ int main(int argc, char *argv[]) { 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;