+++ /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, 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 = 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 = 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 = 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