chiark / gitweb /
timedated: use libsystemd-bus instead of libdbus for bus communication
[elogind.git] / src / libsystemd-bus / test-bus-chat.c
index 6f711c1d8658a426d8da142f99f9e00ff9d40962..efc19c68b3d3d2914a4022198547d4f2e5fd2b8d 100644 (file)
 #include "bus-error.h"
 #include "bus-match.h"
 #include "bus-internal.h"
+#include "bus-util.h"
 
-static int match_callback(sd_bus *bus, int error, sd_bus_message *m, void *userdata) {
+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, int error, sd_bus_message *m, void *userdata) {
+static int object_callback(sd_bus *bus, sd_bus_message *m, void *userdata) {
         int r;
 
         assert(bus);
 
-        if (error != 0)
+        if (sd_bus_message_is_method_error(m, NULL))
                 return 0;
 
         if (sd_bus_message_is_method_call(m, "org.object.test", "Foobar")) {
-                _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
-
                 log_info("Invoked Foobar() on %s", sd_bus_message_get_path(m));
 
-                r = sd_bus_message_new_method_return(bus, m, &reply);
-                if (r < 0) {
-                        log_error("Failed to allocate return: %s", strerror(-r));
-                        return r;
-                }
-
-                r = sd_bus_send(bus, reply, NULL);
+                r = sd_bus_reply_method_return(bus, m, NULL);
                 if (r < 0) {
                         log_error("Failed to send reply: %s", strerror(-r));
                         return r;
@@ -142,8 +135,9 @@ 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) {
@@ -165,7 +159,11 @@ static int server(sd_bus *bus) {
                         continue;
 
                 sd_bus_message_get_pid(m, &pid);
-                log_info("Got message! member=%s pid=%lu label=%s", strna(sd_bus_message_get_member(m)), (unsigned long) pid, strna(sd_bus_message_get_label(m)));
+                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); */
 
@@ -179,12 +177,6 @@ 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();
@@ -193,39 +185,39 @@ 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, "org.freedesktop.systemd.test", "FileDescriptor")) {
                         int fd;
                         static const char x = 'X';
@@ -242,36 +234,21 @@ static int server(sd_bus *bus) {
                                 goto fail;
                         }
 
-                        close_nointr_nofail(fd);
-
-                        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;
                         }
 
                 } else if (sd_bus_message_is_method_call(m, NULL, NULL)) {
 
-                        r = sd_bus_message_new_method_error(
+                        r = sd_bus_reply_method_error(
                                         bus, m,
-                                        &SD_BUS_ERROR_MAKE("org.freedesktop.DBus.Error.UnknownMethod", "Unknown method."),
-                                        &reply);
-                        if (r < 0) {
-                                log_error("Failed to allocate return: %s", strerror(-r));
-                                goto fail;
-                        }
-                }
-
-                if (reply) {
-                        r = sd_bus_send(bus, reply, NULL);
+                                        &SD_BUS_ERROR_MAKE(SD_BUS_ERROR_UNKNOWN_METHOD, "Unknown method."));
                         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); */
                 }
         }
 
@@ -287,7 +264,7 @@ 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_NULL;
         const char *hello;
@@ -301,27 +278,18 @@ 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);
-        if (r < 0) {
-                log_error("Failed to allocate method call: %s", strerror(-r));
-                goto finish;
-        }
-
-        r = sd_bus_message_append(m, "s", "HELLO");
+                        &error,
+                        &reply,
+                        "s",
+                        "HELLO");
         if (r < 0) {
-                log_error("Failed to append 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));
+                log_error("Failed to issue method call: %s", strerror(-r));
                 goto finish;
         }
 
@@ -339,31 +307,18 @@ static void* client1(void*p) {
                 goto finish;
         }
 
-        sd_bus_message_unref(m);
-        m = NULL;
-        r = sd_bus_message_new_method_call(
+        r = sd_bus_call_method(
                         bus,
                         "org.freedesktop.systemd.test",
                         "/",
                         "org.freedesktop.systemd.test",
                         "FileDescriptor",
-                        &m);
-        if (r < 0) {
-                log_error("Failed to allocate method call: %s", strerror(-r));
-                goto finish;
-        }
-
-        r = sd_bus_message_append(m, "h", pp[1]);
+                        &error,
+                        NULL,
+                        "h",
+                        pp[1]);
         if (r < 0) {
-                log_error("Failed to append string: %s", strerror(-r));
-                goto finish;
-        }
-
-        sd_bus_message_unref(reply);
-        reply = NULL;
-        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));
+                log_error("Failed to issue method call: %s", strerror(-r));
                 goto finish;
         }
 
@@ -386,12 +341,11 @@ 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);
         }
@@ -403,10 +357,10 @@ finish:
         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(sd_bus_message_get_errno(m)));
 
         *x = 1;
         return 1;