X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flibsystemd-bus%2Ftest-bus-zero-copy.c;h=92a7398a78639360d4a765cc52e9df52bd42cb2a;hp=024a0bfddf9a15014511e5bd12b31250b31071d7;hb=9bd37b40fac198fee2ff4eabc8793f1a7f2770fe;hpb=453a0c2946da620f99825d39db335e9ea9861829;ds=sidebyside

diff --git a/src/libsystemd-bus/test-bus-zero-copy.c b/src/libsystemd-bus/test-bus-zero-copy.c
index 024a0bfdd..92a7398a7 100644
--- a/src/libsystemd-bus/test-bus-zero-copy.c
+++ b/src/libsystemd-bus/test-bus-zero-copy.c
@@ -30,18 +30,28 @@
 #include "bus-message.h"
 #include "bus-error.h"
 #include "bus-kernel.h"
+#include "bus-dump.h"
+
+#define FIRST_ARRAY 17
+#define SECOND_ARRAY 33
+
+#define STRING_SIZE 123
 
 int main(int argc, char *argv[]) {
         _cleanup_free_ char *bus_name = NULL, *address = NULL;
-        void *p;
+        uint8_t *p;
         sd_bus *a, *b;
         int r, bus_ref;
         sd_bus_message *m;
         sd_memfd *f;
+        uint64_t sz;
+        uint32_t u32;
+        size_t i, l;
+        char *s;
 
         log_set_max_level(LOG_DEBUG);
 
-        bus_ref = bus_kernel_create("deine-mutter", &bus_name);
+        bus_ref = bus_kernel_create_bus("deine-mutter", &bus_name);
         if (bus_ref == -ENOENT)
                 return EXIT_TEST_SKIP;
 
@@ -71,42 +81,104 @@ int main(int argc, char *argv[]) {
         r = sd_bus_message_new_method_call(b, ":1.1", "/a/path", "an.inter.face", "AMethod", &m);
         assert_se(r >= 0);
 
-        r = sd_bus_message_open_container(m, 'r', "ayay");
+        r = sd_bus_message_open_container(m, 'r', "aysay");
         assert_se(r >= 0);
 
-        r = sd_bus_message_append_array_space(m, 'y', 32, &p);
+        r = sd_bus_message_append_array_space(m, 'y', FIRST_ARRAY, (void**) &p);
         assert_se(r >= 0);
 
-        memset(p, 'L', 32);
+        memset(p, 'L', FIRST_ARRAY);
 
-        r = sd_memfd_new_and_map(&f, 32, &p);
+        r = sd_memfd_new_and_map(&f, STRING_SIZE, (void**) &s);
         assert_se(r >= 0);
 
-        memset(p, 'P', 32);
-        munmap(p, 32);
+        for (i = 0; i < STRING_SIZE-1; i++)
+                s[i] = '0' + (i % 10);
+
+        s[STRING_SIZE-1] = 0;
+        munmap(s, STRING_SIZE);
+
+        r = sd_memfd_get_size(f, &sz);
+        assert_se(r >= 0);
+        assert_se(sz == STRING_SIZE);
 
-        r = sd_memfd_set_size(f, 32);
+        r = sd_bus_message_append_string_memfd(m, f);
         assert_se(r >= 0);
 
+        sd_memfd_free(f);
+
+        r = sd_memfd_new_and_map(&f, SECOND_ARRAY, (void**) &p);
+        assert_se(r >= 0);
+
+        memset(p, 'P', SECOND_ARRAY);
+        munmap(p, SECOND_ARRAY);
+
+        r = sd_memfd_get_size(f, &sz);
+        assert_se(r >= 0);
+        assert_se(sz == SECOND_ARRAY);
+
         r = sd_bus_message_append_array_memfd(m, 'y', f);
         assert_se(r >= 0);
 
+        sd_memfd_free(f);
+
         r = sd_bus_message_close_container(m);
         assert_se(r >= 0);
 
+        r = sd_bus_message_append(m, "u", 4711);
+        assert_se(r >= 0);
+
         r = bus_message_seal(m, 55);
         assert_se(r >= 0);
 
-        bus_message_dump(m);
+        bus_message_dump(m, stdout, true);
 
         r = sd_bus_send(b, m, NULL);
         assert_se(r >= 0);
 
         sd_bus_message_unref(m);
 
+        r = sd_bus_process(a, &m);
+        assert_se(r > 0);
+
+        bus_message_dump(m, stdout, true);
+        sd_bus_message_rewind(m, true);
+
+        r = sd_bus_message_enter_container(m, 'r', "aysay");
+        assert_se(r > 0);
+
+        r = sd_bus_message_read_array(m, 'y', (const void**) &p, &l);
+        assert_se(r > 0);
+        assert_se(l == FIRST_ARRAY);
+
+        for (i = 0; i < l; i++)
+                assert_se(p[i] == 'L');
+
+        r = sd_bus_message_read(m, "s", &s);
+        assert_se(r > 0);
+
+        for (i = 0; i < STRING_SIZE-1; i++)
+                assert_se(s[i] == (char) ('0' + (i % 10)));
+        assert_se(s[STRING_SIZE-1] == 0);
+
+        r = sd_bus_message_read_array(m, 'y', (const void**) &p, &l);
+        assert_se(r > 0);
+        assert_se(l == SECOND_ARRAY);
+
+        for (i = 0; i < l; i++)
+                assert_se(p[i] == 'P');
+
+        r = sd_bus_message_exit_container(m);
+        assert_se(r > 0);
+
+        r = sd_bus_message_read(m, "u", &u32);
+        assert_se(r > 0);
+        assert_se(u32 == 4711);
+
+        sd_bus_message_unref(m);
+
         sd_bus_unref(a);
         sd_bus_unref(b);
-        sd_memfd_free(f);
 
         return 0;
 }