int main(int argc, char *argv[]) { struct { struct kdbus_cmd_make head; /* bloom size item */ struct { uint64_t size; uint64_t type; struct kdbus_bloom_parameter bloom; } bs; /* name item */ uint64_t n_size; uint64_t n_type; char name[64]; } bus_make; int fdc, ret; char *bus; struct conn *activator, *conn_a; struct pollfd fds[2]; bool activator_done = false; struct kdbus_policy_access access[2]; printf("-- opening /dev/" KBUILD_MODNAME "/control\n"); fdc = open("/dev/" KBUILD_MODNAME "/control", O_RDWR|O_CLOEXEC); if (fdc < 0) { fprintf(stderr, "--- error %d (%m)\n", fdc); return EXIT_FAILURE; } memset(&bus_make, 0, sizeof(bus_make)); bus_make.bs.size = sizeof(bus_make.bs); bus_make.bs.type = KDBUS_ITEM_BLOOM_PARAMETER; bus_make.bs.bloom.size = 64; bus_make.bs.bloom.n_hash = 1; snprintf(bus_make.name, sizeof(bus_make.name), "%u-testbus", getuid()); bus_make.n_type = KDBUS_ITEM_MAKE_NAME; bus_make.n_size = KDBUS_ITEM_HEADER_SIZE + strlen(bus_make.name) + 1; bus_make.head.size = sizeof(struct kdbus_cmd_make) + sizeof(bus_make.bs) + bus_make.n_size; printf("-- creating bus '%s'\n", bus_make.name); ret = ioctl(fdc, KDBUS_CMD_BUS_MAKE, &bus_make); if (ret) { fprintf(stderr, "--- error %d (%m)\n", ret); return EXIT_FAILURE; } if (asprintf(&bus, "/dev/" KBUILD_MODNAME "/%s/bus", bus_make.name) < 0) return EXIT_FAILURE; access[0].type = KDBUS_POLICY_ACCESS_USER; access[0].id = 1001; access[0].access = KDBUS_POLICY_OWN; access[1].type = KDBUS_POLICY_ACCESS_WORLD; access[1].access = KDBUS_POLICY_TALK; activator = kdbus_hello_activator(bus, "foo.test.activator", access, 2); if (!activator) return EXIT_FAILURE; conn_a = kdbus_hello(bus, 0, NULL, 0); if (!conn_a) return EXIT_FAILURE; add_match_empty(conn_a->fd); name_list(conn_a, KDBUS_NAME_LIST_NAMES | KDBUS_NAME_LIST_UNIQUE | KDBUS_NAME_LIST_ACTIVATORS | KDBUS_NAME_LIST_QUEUED); msg_send(conn_a, "foo.test.activator", 0xdeafbeef, 0, 0, 0, KDBUS_DST_ID_NAME); fds[0].fd = activator->fd; fds[1].fd = conn_a->fd; printf("-- entering poll loop ...\n"); for (;;) { int i, nfds = sizeof(fds) / sizeof(fds[0]); for (i = 0; i < nfds; i++) { fds[i].events = POLLIN | POLLPRI; fds[i].revents = 0; } ret = poll(fds, nfds, 3000); if (ret <= 0) break; name_list(conn_a, KDBUS_NAME_LIST_NAMES); if ((fds[0].revents & POLLIN) && !activator_done) { printf("Starter was called back!\n"); ret = name_acquire(conn_a, "foo.test.activator", KDBUS_NAME_REPLACE_EXISTING); if (ret != 0) break; activator_done = true; } if (fds[1].revents & POLLIN) { msg_recv(conn_a); break; } } printf("-- closing bus connections\n"); close(activator->fd); close(conn_a->fd); free(activator); free(conn_a); printf("-- closing bus master\n"); close(fdc); free(bus); return EXIT_SUCCESS; }
int main(int argc, char *argv[]) { struct { struct kdbus_cmd_bus_make head; /* name item */ uint64_t n_size; uint64_t n_type; char name[64]; } __attribute__ ((__aligned__(8))) bus_make; int fdc, ret; char *bus; struct conn *conn_a; struct conn *conn_b; struct pollfd fds[2]; struct timeval start; unsigned int i; for (i = 0; i < sizeof(stress_payload); i++) stress_payload[i] = i; printf("-- opening /dev/kdbus/control\n"); fdc = open("/dev/kdbus/control", O_RDWR|O_CLOEXEC); if (fdc < 0) { fprintf(stderr, "--- error %d (%m)\n", fdc); return EXIT_FAILURE; } memset(&bus_make, 0, sizeof(bus_make)); bus_make.head.bloom_size = 64; snprintf(bus_make.name, sizeof(bus_make.name), "%u-testbus", getuid()); bus_make.n_type = KDBUS_ITEM_MAKE_NAME; bus_make.n_size = KDBUS_ITEM_HEADER_SIZE + strlen(bus_make.name) + 1; bus_make.head.size = sizeof(struct kdbus_cmd_bus_make) + bus_make.n_size; printf("-- creating bus '%s'\n", bus_make.name); ret = ioctl(fdc, KDBUS_CMD_BUS_MAKE, &bus_make); if (ret) { fprintf(stderr, "--- error %d (%m)\n", ret); return EXIT_FAILURE; } if (asprintf(&bus, "/dev/kdbus/%s/bus", bus_make.name) < 0) return EXIT_FAILURE; conn_a = connect_to_bus(bus); if (!conn_a) return EXIT_FAILURE; conn_b = connect_to_bus(bus); if (!conn_b) return EXIT_FAILURE; upload_policy(conn_a->fd, SERVICE_NAME); add_match_empty(conn_a->fd); add_match_empty(conn_b->fd); fds[0].fd = conn_a->fd; fds[1].fd = conn_b->fd; name_acquire(conn_a, SERVICE_NAME, 0); gettimeofday(&start, NULL); reset_stats(); ret = send_echo_request(conn_b, conn_a->id); if (ret) return EXIT_FAILURE; printf("-- entering poll loop ...\n"); while (1) { struct timeval now; unsigned int nfds = sizeof(fds) / sizeof(fds[0]); unsigned int i; for (i = 0; i < nfds; i++) { fds[i].events = POLLIN | POLLPRI | POLLHUP; fds[i].revents = 0; } ret = poll(fds, nfds, 10); if (ret < 0) break; if (fds[0].revents & POLLIN) { ret = handle_echo_reply(conn_a); if (ret) break; ret = send_echo_request(conn_b, conn_a->id); if (ret) break; } gettimeofday(&now, NULL); if (timeval_diff(&now, &start) / 1000ULL > 1000ULL) { start.tv_sec = now.tv_sec; start.tv_usec = now.tv_usec; dump_stats(); reset_stats(); } } printf("-- closing bus connections\n"); close(conn_a->fd); close(conn_b->fd); free(conn_a); free(conn_b); printf("-- closing bus master\n"); close(fdc); free(bus); return EXIT_SUCCESS; }
int main(int argc, char *argv[]) { struct { struct kdbus_cmd_bus_make head; /* name item */ uint64_t n_size; uint64_t n_type; char name[64]; } __attribute__ ((__aligned__(8))) bus_make; int fdc, ret, cookie; char *bus; struct conn *conn_a, *conn_b; struct pollfd fds[2]; int count; int r; printf("-- opening /dev/kdbus/control\n"); fdc = open("/dev/kdbus/control", O_RDWR|O_CLOEXEC); if (fdc < 0) { fprintf(stderr, "--- error %d (%m)\n", fdc); return EXIT_FAILURE; } memset(&bus_make, 0, sizeof(bus_make)); bus_make.head.bloom_size = 64; snprintf(bus_make.name, sizeof(bus_make.name), "%u-testbus", getuid()); bus_make.n_type = KDBUS_ITEM_MAKE_NAME; bus_make.n_size = KDBUS_ITEM_HEADER_SIZE + strlen(bus_make.name) + 1; bus_make.head.size = sizeof(struct kdbus_cmd_bus_make) + bus_make.n_size; printf("-- creating bus '%s'\n", bus_make.name); ret = ioctl(fdc, KDBUS_CMD_BUS_MAKE, &bus_make); if (ret) { fprintf(stderr, "--- error %d (%m)\n", ret); return EXIT_FAILURE; } if (asprintf(&bus, "/dev/kdbus/%s/bus", bus_make.name) < 0) return EXIT_FAILURE; conn_a = connect_to_bus(bus); conn_b = connect_to_bus(bus); if (!conn_a || !conn_b) return EXIT_FAILURE; r = upload_policy(conn_a->fd, "foo.bar.test"); if (r < 0) return EXIT_FAILURE; r = upload_policy(conn_a->fd, "foo.bar.baz"); if (r < 0) return EXIT_FAILURE; r = upload_policy(conn_a->fd, "foo.bar.double"); if (r < 0) return EXIT_FAILURE; r = name_acquire(conn_a, "foo.bar.test", KDBUS_NAME_ALLOW_REPLACEMENT); if (r < 0) return EXIT_FAILURE; r = name_acquire(conn_a, "foo.bar.baz", 0); if (r < 0) return EXIT_FAILURE; r = name_acquire(conn_b, "foo.bar.baz", KDBUS_NAME_QUEUE); if (r < 0) return EXIT_FAILURE; r = name_acquire(conn_a, "foo.bar.double", 0); if (r < 0) return EXIT_FAILURE; r = name_acquire(conn_a, "foo.bar.double", 0); if (r != -EALREADY) return EXIT_FAILURE; r = name_release(conn_a, "foo.bar.double"); if (r < 0) return EXIT_FAILURE; r = name_release(conn_a, "foo.bar.double"); if (r != -ESRCH) return EXIT_FAILURE; name_list(conn_b, KDBUS_NAME_LIST_UNIQUE | KDBUS_NAME_LIST_NAMES); add_match_empty(conn_a->fd); add_match_empty(conn_b->fd); cookie = 0; msg_send(conn_b, NULL, 0xc0000000 | cookie, KDBUS_DST_ID_BROADCAST); fds[0].fd = conn_a->fd; fds[1].fd = conn_b->fd; printf("-- entering poll loop ...\n"); for (count = 0;; count++) { int i, nfds = sizeof(fds) / sizeof(fds[0]); for (i = 0; i < nfds; i++) { fds[i].events = POLLIN | POLLPRI | POLLHUP; fds[i].revents = 0; } ret = poll(fds, nfds, 3000); if (ret <= 0) break; if (fds[0].revents & POLLIN) { if (count > 2) name_release(conn_a, "foo.bar.baz"); msg_recv(conn_a); msg_send(conn_a, NULL, 0xc0000000 | cookie++, conn_b->id); } if (fds[1].revents & POLLIN) { msg_recv(conn_b); msg_send(conn_b, NULL, 0xc0000000 | cookie++, conn_a->id); } name_list(conn_b, KDBUS_NAME_LIST_UNIQUE | KDBUS_NAME_LIST_NAMES); if (count > 10) break; } printf("-- closing bus connections\n"); close(conn_a->fd); close(conn_b->fd); free(conn_a); free(conn_b); printf("-- closing bus master\n"); close(fdc); free(bus); return EXIT_SUCCESS; }