--- /dev/null
+/*
+ * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <common/compat/time.h>
+#include <sys/types.h>
+#include <inttypes.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <fcntl.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+
+#include <tap/tap.h>
+#include <lttng/lttng.h>
+
+#include <urcu/list.h>
+#include <common/common.h>
+
+#include <bin/lttng-relayd/lttng-viewer-abi.h>
+#include <common/index/ctf-index.h>
+
+#include <common/compat/errno.h>
+#include <common/compat/endian.h>
+
+#define SESSION1 "test1"
+#define RELAYD_URL "net://localhost"
+#define LIVE_TIMER 2000000
+
+/* Number of TAP tests in this file */
+#define NUM_TESTS 11
+#define mmap_size 524288
+
+#ifdef HAVE_LIBLTTNG_UST_CTL
+#include <lttng/lttng-export.h>
+#include <lttng/ust-sigbus.h>
+LTTNG_EXPORT DEFINE_LTTNG_UST_SIGBUS_STATE();
+#endif
+
+static int control_sock;
+struct live_session *session;
+
+static int first_packet_offset;
+static int first_packet_len;
+static int first_packet_stream_id = -1;
+
+struct viewer_stream {
+ uint64_t id;
+ uint64_t ctf_trace_id;
+ void *mmap_base;
+ int fd;
+ int metadata_flag;
+ int first_read;
+ char path[PATH_MAX];
+};
+
+struct live_session {
+ struct viewer_stream *streams;
+ uint64_t live_timer_interval;
+ uint64_t stream_count;
+};
+
+static
+ssize_t lttng_live_recv(int fd, void *buf, size_t len)
+{
+ ssize_t ret;
+ size_t copied = 0, to_copy = len;
+
+ do {
+ ret = recv(fd, (char *) buf + copied, to_copy, 0);
+ if (ret > 0) {
+ LTTNG_ASSERT(ret <= to_copy);
+ copied += ret;
+ to_copy -= ret;
+ }
+ } while ((ret > 0 && to_copy > 0)
+ || (ret < 0 && errno == EINTR));
+ if (ret > 0)
+ ret = copied;
+ /* ret = 0 means orderly shutdown, ret < 0 is error. */
+ return ret;
+}
+
+static
+ssize_t lttng_live_send(int fd, const void *buf, size_t len)
+{
+ ssize_t ret;
+
+ do {
+ ret = send(fd, buf, len, MSG_NOSIGNAL);
+ } while (ret < 0 && errno == EINTR);
+ return ret;
+}
+
+static
+int connect_viewer(const char *hostname)
+{
+ struct hostent *host;
+ struct sockaddr_in server_addr;
+ int ret;
+
+ host = gethostbyname(hostname);
+ if (!host) {
+ ret = -1;
+ goto end;
+ }
+
+ if ((control_sock = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
+ PERROR("Socket");
+ ret = -1;
+ goto end;
+ }
+
+ server_addr.sin_family = AF_INET;
+ server_addr.sin_port = htons(5344);
+ server_addr.sin_addr = *((struct in_addr *) host->h_addr);
+ bzero(&(server_addr.sin_zero), 8);
+
+ if (connect(control_sock, (struct sockaddr *) &server_addr,
+ sizeof(struct sockaddr)) == -1) {
+ PERROR("Connect");
+ ret = -1;
+ goto end;
+ }
+
+ server_addr.sin_family = AF_INET;
+ server_addr.sin_port = htons(5345);
+ server_addr.sin_addr = *((struct in_addr *) host->h_addr);
+ bzero(&(server_addr.sin_zero), 8);
+
+ ret = 0;
+
+end:
+ return ret;
+}
+
+static
+int establish_connection(void)
+{
+ struct lttng_viewer_cmd cmd;
+ struct lttng_viewer_connect connect;
+ ssize_t ret_len;
+
+ cmd.cmd = htobe32(LTTNG_VIEWER_CONNECT);
+ cmd.data_size = htobe64(sizeof(connect));
+ cmd.cmd_version = htobe32(0);
+
+ memset(&connect, 0, sizeof(connect));
+ connect.major = htobe32(VERSION_MAJOR);
+ connect.minor = htobe32(VERSION_MINOR);
+ connect.type = htobe32(LTTNG_VIEWER_CLIENT_COMMAND);
+
+ ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
+ if (ret_len < 0) {
+ diag("Error sending cmd");
+ goto error;
+ }
+ ret_len = lttng_live_send(control_sock, &connect, sizeof(connect));
+ if (ret_len < 0) {
+ diag("Error sending version");
+ goto error;
+ }
+
+ ret_len = lttng_live_recv(control_sock, &connect, sizeof(connect));
+ if (ret_len == 0) {
+ diag("[error] Remote side has closed connection");
+ goto error;
+ }
+ if (ret_len < 0) {
+ diag("Error receiving version");
+ goto error;
+ }
+ return 0;
+
+error:
+ return -1;
+}
+
+/*
+ * Returns the number of sessions, should be 1 during the unit test.
+ */
+static
+int list_sessions(uint64_t *session_id)
+{
+ struct lttng_viewer_cmd cmd;
+ struct lttng_viewer_list_sessions list;
+ struct lttng_viewer_session lsession;
+ int i;
+ ssize_t ret_len;
+ int first_session = 0;
+
+ cmd.cmd = htobe32(LTTNG_VIEWER_LIST_SESSIONS);
+ cmd.data_size = htobe64(0);
+ cmd.cmd_version = htobe32(0);
+
+ ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
+ if (ret_len < 0) {
+ diag("Error sending cmd");
+ goto error;
+ }
+
+ ret_len = lttng_live_recv(control_sock, &list, sizeof(list));
+ if (ret_len == 0) {
+ diag("[error] Remote side has closed connection");
+ goto error;
+ }
+ if (ret_len < 0) {
+ diag("Error receiving session list");
+ goto error;
+ }
+
+ for (i = 0; i < be32toh(list.sessions_count); i++) {
+ ret_len = lttng_live_recv(control_sock, &lsession, sizeof(lsession));
+ if (ret_len < 0) {
+ diag("Error receiving session");
+ goto error;
+ }
+ if (lsession.streams > 0 && first_session <= 0) {
+ first_session = be64toh(lsession.id);
+ *session_id = first_session;
+ }
+ }
+
+ return be32toh(list.sessions_count);
+
+error:
+ return -1;
+}
+
+static
+int create_viewer_session(void)
+{
+ struct lttng_viewer_cmd cmd;
+ struct lttng_viewer_create_session_response resp;
+ ssize_t ret_len;
+
+ cmd.cmd = htobe32(LTTNG_VIEWER_CREATE_SESSION);
+ cmd.data_size = htobe64(0);
+ cmd.cmd_version = htobe32(0);
+
+ ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
+ if (ret_len < 0) {
+ diag("[error] Error sending cmd");
+ goto error;
+ }
+ LTTNG_ASSERT(ret_len == sizeof(cmd));
+
+ ret_len = lttng_live_recv(control_sock, &resp, sizeof(resp));
+ if (ret_len == 0) {
+ diag("[error] Remote side has closed connection");
+ goto error;
+ }
+ if (ret_len < 0) {
+ diag("[error] Error receiving create session reply");
+ goto error;
+ }
+ LTTNG_ASSERT(ret_len == sizeof(resp));
+
+ if (be32toh(resp.status) != LTTNG_VIEWER_CREATE_SESSION_OK) {
+ diag("[error] Error creating viewer session");
+ goto error;
+ }
+ return 0;
+
+error:
+ return -1;
+}
+
+static
+int attach_session(uint64_t id)
+{
+ struct lttng_viewer_cmd cmd;
+ struct lttng_viewer_attach_session_request rq;
+ struct lttng_viewer_attach_session_response rp;
+ struct lttng_viewer_stream stream;
+ int i;
+ ssize_t ret_len;
+
+ session = (live_session *) zmalloc(sizeof(struct live_session));
+ if (!session) {
+ goto error;
+ }
+
+ cmd.cmd = htobe32(LTTNG_VIEWER_ATTACH_SESSION);
+ cmd.data_size = htobe64(sizeof(rq));
+ cmd.cmd_version = htobe32(0);
+
+ memset(&rq, 0, sizeof(rq));
+ rq.session_id = htobe64(id);
+ rq.seek = htobe32(LTTNG_VIEWER_SEEK_BEGINNING);
+
+ ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
+ if (ret_len < 0) {
+ diag("Error sending cmd LTTNG_VIEWER_ATTACH_SESSION");
+ goto error;
+ }
+ ret_len = lttng_live_send(control_sock, &rq, sizeof(rq));
+ if (ret_len < 0) {
+ diag("Error sending attach request");
+ goto error;
+ }
+
+ ret_len = lttng_live_recv(control_sock, &rp, sizeof(rp));
+ if (ret_len == 0) {
+ diag("[error] Remote side has closed connection");
+ goto error;
+ }
+ if (ret_len < 0) {
+ diag("Error receiving attach response");
+ goto error;
+ }
+ if (be32toh(rp.status) != LTTNG_VIEWER_ATTACH_OK) {
+ goto error;
+ }
+
+ session->stream_count = be32toh(rp.streams_count);
+ if (session->stream_count == 0) {
+ diag("Got session stream count == 0");
+ goto error;
+ }
+ session->streams = (viewer_stream *) zmalloc(session->stream_count *
+ sizeof(struct viewer_stream));
+ if (!session->streams) {
+ goto error;
+ }
+
+ for (i = 0; i < be32toh(rp.streams_count); i++) {
+ ret_len = lttng_live_recv(control_sock, &stream, sizeof(stream));
+ if (ret_len == 0) {
+ diag("[error] Remote side has closed connection");
+ goto error;
+ }
+ if (ret_len < 0) {
+ diag("Error receiving stream");
+ goto error;
+ }
+ session->streams[i].id = be64toh(stream.id);
+
+ session->streams[i].ctf_trace_id = be64toh(stream.ctf_trace_id);
+ session->streams[i].first_read = 1;
+ session->streams[i].mmap_base = mmap(NULL, mmap_size,
+ PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ if (session->streams[i].mmap_base == MAP_FAILED) {
+ diag("mmap error");
+ goto error;
+ }
+
+ if (be32toh(stream.metadata_flag)) {
+ session->streams[i].metadata_flag = 1;
+ }
+ }
+ return session->stream_count;
+
+error:
+ return -1;
+}
+
+static
+int get_metadata(void)
+{
+ struct lttng_viewer_cmd cmd;
+ struct lttng_viewer_get_metadata rq;
+ struct lttng_viewer_metadata_packet rp;
+ ssize_t ret_len;
+ int ret;
+ uint64_t i;
+ char *data = NULL;
+ uint64_t len = 0;
+ int metadata_stream_id = -1;
+
+ cmd.cmd = htobe32(LTTNG_VIEWER_GET_METADATA);
+ cmd.data_size = htobe64(sizeof(rq));
+ cmd.cmd_version = htobe32(0);
+
+ for (i = 0; i < session->stream_count; i++) {
+ if (session->streams[i].metadata_flag) {
+ metadata_stream_id = i;
+ break;
+ }
+ }
+
+ if (metadata_stream_id < 0) {
+ diag("No metadata stream found");
+ goto error;
+ }
+
+ rq.stream_id = htobe64(session->streams[metadata_stream_id].id);
+
+retry:
+ ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
+ if (ret_len < 0) {
+ diag("Error sending cmd");
+ goto error;
+ }
+ ret_len = lttng_live_send(control_sock, &rq, sizeof(rq));
+ if (ret_len < 0) {
+ diag("Error sending get_metadata request");
+ goto error;
+ }
+ ret_len = lttng_live_recv(control_sock, &rp, sizeof(rp));
+ if (ret_len == 0) {
+ diag("[error] Remote side has closed connection");
+ goto error;
+ }
+ if (ret_len < 0) {
+ diag("Error receiving metadata response");
+ goto error;
+ }
+ switch (be32toh(rp.status)) {
+ case LTTNG_VIEWER_METADATA_OK:
+ break;
+ case LTTNG_VIEWER_NO_NEW_METADATA:
+ diag("Got LTTNG_VIEWER_NO_NEW_METADATA:");
+ usleep(50);
+ goto retry;
+ case LTTNG_VIEWER_METADATA_ERR:
+ diag("Got LTTNG_VIEWER_METADATA_ERR:");
+ goto error;
+ default:
+ diag("Got unknown status during LTTNG_VIEWER_GET_METADATA");
+ goto error;
+ }
+
+ len = be64toh(rp.len);
+ if (len <= 0) {
+ goto error;
+ }
+
+ data = (char *) zmalloc(len);
+ if (!data) {
+ PERROR("relay data zmalloc");
+ goto error;
+ }
+ ret_len = lttng_live_recv(control_sock, data, len);
+ if (ret_len == 0) {
+ diag("[error] Remote side has closed connection");
+ goto error_free_data;
+ }
+ if (ret_len < 0) {
+ diag("Error receiving trace packet");
+ goto error_free_data;
+ }
+ free(data);
+ ret = len;
+
+ return ret;
+
+error_free_data:
+ free(data);
+error:
+ return -1;
+}
+
+static
+int get_next_index(void)
+{
+ struct lttng_viewer_cmd cmd;
+ struct lttng_viewer_get_next_index rq;
+ struct lttng_viewer_index rp;
+ ssize_t ret_len;
+ int id;
+
+ cmd.cmd = htobe32(LTTNG_VIEWER_GET_NEXT_INDEX);
+ cmd.data_size = htobe64(sizeof(rq));
+ cmd.cmd_version = htobe32(0);
+
+ for (id = 0; id < session->stream_count; id++) {
+ if (session->streams[id].metadata_flag) {
+ continue;
+ }
+ memset(&rq, 0, sizeof(rq));
+ rq.stream_id = htobe64(session->streams[id].id);
+
+retry:
+ ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
+ if (ret_len < 0) {
+ diag("Error sending cmd");
+ goto error;
+ }
+ ret_len = lttng_live_send(control_sock, &rq, sizeof(rq));
+ if (ret_len < 0) {
+ diag("Error sending get_next_index request");
+ goto error;
+ }
+ ret_len = lttng_live_recv(control_sock, &rp, sizeof(rp));
+ if (ret_len == 0) {
+ diag("[error] Remote side has closed connection");
+ goto error;
+ }
+ if (ret_len < 0) {
+ diag("Error receiving index response");
+ goto error;
+ }
+
+ rp.flags = be32toh(rp.flags);
+
+ switch (be32toh(rp.status)) {
+ case LTTNG_VIEWER_INDEX_INACTIVE:
+ /* Skip this stream. */
+ diag("Got LTTNG_VIEWER_INDEX_INACTIVE");
+ continue;
+ case LTTNG_VIEWER_INDEX_OK:
+ break;
+ case LTTNG_VIEWER_INDEX_RETRY:
+ sleep(1);
+ goto retry;
+ case LTTNG_VIEWER_INDEX_HUP:
+ diag("Got LTTNG_VIEWER_INDEX_HUP");
+ session->streams[id].id = -1ULL;
+ session->streams[id].fd = -1;
+ goto error;
+ case LTTNG_VIEWER_INDEX_ERR:
+ diag("Got LTTNG_VIEWER_INDEX_ERR");
+ goto error;
+ default:
+ diag("Unknown reply status during LTTNG_VIEWER_GET_NEXT_INDEX (%d)", be32toh(rp.status));
+ goto error;
+ }
+ if (first_packet_stream_id < 0) {
+ /*
+ * Initialize the first packet stream id. That is,
+ * the first active stream encoutered.
+ */
+ first_packet_offset = be64toh(rp.offset);
+ first_packet_len = be64toh(rp.packet_size) / CHAR_BIT;
+ first_packet_stream_id = id;
+ diag("Got first packet index with offset %d and len %d",
+ first_packet_offset, first_packet_len);
+ }
+ }
+ return 0;
+
+error:
+ return -1;
+}
+
+static
+int get_data_packet(int id, uint64_t offset,
+ uint64_t len)
+{
+ struct lttng_viewer_cmd cmd;
+ struct lttng_viewer_get_packet rq;
+ struct lttng_viewer_trace_packet rp;
+ ssize_t ret_len;
+
+ cmd.cmd = htobe32(LTTNG_VIEWER_GET_PACKET);
+ cmd.data_size = htobe64(sizeof(rq));
+ cmd.cmd_version = htobe32(0);
+
+ memset(&rq, 0, sizeof(rq));
+ rq.stream_id = htobe64(session->streams[id].id);
+ /* Already in big endian. */
+ rq.offset = offset;
+ rq.len = htobe32(len);
+
+ ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
+ if (ret_len < 0) {
+ diag("Error sending cmd");
+ goto error;
+ }
+ ret_len = lttng_live_send(control_sock, &rq, sizeof(rq));
+ if (ret_len < 0) {
+ diag("Error sending get_data_packet request");
+ goto error;
+ }
+ ret_len = lttng_live_recv(control_sock, &rp, sizeof(rp));
+ if (ret_len == 0) {
+ diag("[error] Remote side has closed connection");
+ goto error;
+ }
+ if (ret_len < 0) {
+ diag("Error receiving data response");
+ goto error;
+ }
+ rp.flags = be32toh(rp.flags);
+
+ switch (be32toh(rp.status)) {
+ case LTTNG_VIEWER_GET_PACKET_OK:
+ len = be32toh(rp.len);
+ if (len == 0) {
+ diag("Got LTTNG_VIEWER_GET_PACKET_OK, but len == 0");
+ goto error;
+ }
+ break;
+ case LTTNG_VIEWER_GET_PACKET_RETRY:
+ diag("Got LTTNG_VIEWER_GET_PACKET_RETRY:");
+ goto error;
+ case LTTNG_VIEWER_GET_PACKET_ERR:
+ if (rp.flags & LTTNG_VIEWER_FLAG_NEW_METADATA) {
+ diag("Got LTTNG_VIEWER_GET_PACKET_ERR with NEW_METADATA flag");
+ goto end;
+ }
+ diag("Got LTTNG_VIEWER_GET_PACKET_ERR:");
+ goto error;
+ default:
+ diag("Got unknown status code during LTTNG_VIEWER_GET_PACKET");
+ goto error;
+ }
+
+ if (len > mmap_size) {
+ diag("mmap_size not big enough");
+ goto error;
+ }
+
+ ret_len = lttng_live_recv(control_sock, session->streams[id].mmap_base, len);
+ if (ret_len == 0) {
+ diag("[error] Remote side has closed connection");
+ goto error;
+ }
+ if (ret_len < 0) {
+ diag("Error receiving trace packet");
+ goto error;
+ }
+end:
+ return 0;
+error:
+ return -1;
+}
+
+static
+int detach_viewer_session(uint64_t id)
+{
+ struct lttng_viewer_cmd cmd;
+ struct lttng_viewer_detach_session_response resp;
+ struct lttng_viewer_detach_session_request rq;
+ int ret;
+ ssize_t ret_len;
+
+ cmd.cmd = htobe32(LTTNG_VIEWER_DETACH_SESSION);
+ cmd.data_size = htobe64(sizeof(rq));
+ cmd.cmd_version = htobe32(0);
+
+ memset(&rq, 0, sizeof(rq));
+ rq.session_id = htobe64(id);
+
+ ret_len = lttng_live_send(control_sock, &cmd, sizeof(cmd));
+ if (ret_len < 0) {
+ fprintf(stderr, "[error] Error sending cmd\n");
+ ret = ret_len;
+ goto error;
+ }
+
+ ret_len = lttng_live_send(control_sock, &rq, sizeof(rq));
+ if (ret_len < 0) {
+ fprintf(stderr, "Error sending attach request\n");
+ ret = ret_len;
+ goto error;
+ }
+
+ ret_len = lttng_live_recv(control_sock, &resp, sizeof(resp));
+ if (ret_len < 0) {
+ fprintf(stderr, "[error] Error receiving detach session reply\n");
+ ret = ret_len;
+ goto error;
+ }
+
+ if (be32toh(resp.status) != LTTNG_VIEWER_DETACH_SESSION_OK) {
+ fprintf(stderr, "[error] Error detaching viewer session\n");
+ ret = -1;
+ goto error;
+ }
+ ret = 0;
+
+error:
+ return ret;
+}
+
+int main(int argc, char **argv)
+{
+ int ret;
+ uint64_t session_id;
+
+ plan_tests(NUM_TESTS);
+
+ diag("Live unit tests");
+
+ ret = connect_viewer("localhost");
+ ok(ret == 0, "Connect viewer to relayd");
+
+ ret = establish_connection();
+ ok(ret == 0, "Established connection and version check with %d.%d",
+ VERSION_MAJOR, VERSION_MINOR);
+
+ ret = list_sessions(&session_id);
+ ok(ret > 0, "List sessions : %d session(s)", ret);
+ if (ret < 0) {
+ goto end;
+ }
+
+ ret = create_viewer_session();
+ ok(ret == 0, "Create viewer session");
+
+ ret = attach_session(session_id);
+ ok(ret > 0, "Attach to session, %d stream(s) received", ret);
+
+ ret = get_metadata();
+ ok(ret > 0, "Get metadata, received %d bytes", ret);
+
+ ret = get_next_index();
+ ok(ret == 0, "Get one index per stream");
+
+ ret = get_data_packet(first_packet_stream_id, first_packet_offset,
+ first_packet_len);
+ ok(ret == 0,
+ "Get one data packet for stream %d, offset %d, len %d",
+ first_packet_stream_id, first_packet_offset,
+ first_packet_len);
+
+ ret = detach_viewer_session(session_id);
+ ok(ret == 0, "Detach viewer session");
+
+ ret = list_sessions(&session_id);
+ ok(ret > 0, "List sessions : %d session(s)", ret);
+
+ ret = attach_session(session_id);
+ ok(ret > 0, "Attach to session, %d streams received", ret);
+end:
+ return exit_status();
+}
projects / lttng-tools.git / blobdiff