/*
* List available domain(s) for a session.
*/
static int list_domains(const char *session_name)
{
int i, count, ret = CMD_SUCCESS;
struct lttng_domain *domains = NULL;
MSG("Domains:\n-------------");
count = lttng_list_domains(session_name, &domains);
if (count < 0) {
ret = count;
goto error;
} else if (count == 0) {
MSG(" None");
goto end;
}
for (i = 0; i < count; i++) {
switch (domains[i].type) {
case LTTNG_DOMAIN_KERNEL:
MSG(" - Kernel");
break;
case LTTNG_DOMAIN_UST:
MSG(" - UST global");
break;
default:
break;
}
}
end:
free(domains);
error:
return ret;
}
/*
* List available domain(s) for a session.
*/
static int list_domains(const char *session_name)
{
int i, count, ret = CMD_SUCCESS;
struct lttng_domain *domains = NULL;
count = lttng_list_domains(session_name, &domains);
if (count < 0) {
ret = CMD_ERROR;
ERR("%s", lttng_strerror(count));
goto end;
}
if (lttng_opt_mi) {
/* Mi output */
ret = mi_list_domains(domains, count);
if (ret) {
ret = CMD_ERROR;
goto error;
}
} else {
/* Pretty print */
MSG("Domains:\n-------------");
if (count == 0) {
MSG(" None");
goto end;
}
for (i = 0; i < count; i++) {
switch (domains[i].type) {
case LTTNG_DOMAIN_KERNEL:
MSG(" - Kernel");
break;
case LTTNG_DOMAIN_UST:
MSG(" - UST global");
break;
case LTTNG_DOMAIN_JUL:
MSG(" - JUL (Java Util Logging)");
break;
case LTTNG_DOMAIN_LOG4J:
MSG(" - LOG4j (Logging for Java)");
break;
case LTTNG_DOMAIN_PYTHON:
MSG(" - Python (logging)");
break;
default:
break;
}
}
}
error:
free(domains);
end:
return ret;
}
/*
* The 'list <options>' first level command
*/
int cmd_list(int argc, const char **argv)
{
int opt, ret = CMD_SUCCESS;
const char *session_name;
static poptContext pc;
struct lttng_domain domain;
struct lttng_domain *domains = NULL;
memset(&domain, 0, sizeof(domain));
if (argc < 1) {
usage(stderr);
ret = CMD_ERROR;
goto end;
}
pc = poptGetContext(NULL, argc, argv, long_options, 0);
poptReadDefaultConfig(pc, 0);
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case OPT_HELP:
usage(stdout);
goto end;
case OPT_USERSPACE:
opt_userspace = 1;
break;
case OPT_LIST_OPTIONS:
list_cmd_options(stdout, long_options);
goto end;
default:
usage(stderr);
ret = CMD_UNDEFINED;
goto end;
}
}
/* Mi check */
if (lttng_opt_mi) {
writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi);
if (!writer) {
ret = CMD_ERROR;
goto end;
}
/* Open command element */
ret = mi_lttng_writer_command_open(writer,
mi_lttng_element_command_list);
if (ret) {
ret = CMD_ERROR;
goto end;
}
/* Open output element */
ret = mi_lttng_writer_open_element(writer,
mi_lttng_element_command_output);
if (ret) {
ret = CMD_ERROR;
goto end;
}
}
/* Get session name (trailing argument) */
session_name = poptGetArg(pc);
DBG2("Session name: %s", session_name);
if (opt_kernel) {
domain.type = LTTNG_DOMAIN_KERNEL;
} else if (opt_userspace) {
DBG2("Listing userspace global domain");
domain.type = LTTNG_DOMAIN_UST;
} else if (opt_jul) {
DBG2("Listing JUL domain");
domain.type = LTTNG_DOMAIN_JUL;
} else if (opt_log4j) {
domain.type = LTTNG_DOMAIN_LOG4J;
} else if (opt_python) {
domain.type = LTTNG_DOMAIN_PYTHON;
}
if (!opt_kernel && opt_syscall) {
WARN("--syscall will only work with the Kernel domain (-k)");
ret = CMD_ERROR;
goto end;
}
if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) {
handle = lttng_create_handle(session_name, &domain);
if (handle == NULL) {
ret = CMD_FATAL;
goto end;
}
}
if (session_name == NULL) {
if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j
&& !opt_python) {
ret = list_sessions(NULL);
if (ret) {
goto end;
}
}
if (opt_kernel) {
if (opt_syscall) {
ret = list_syscalls();
if (ret) {
goto end;
}
} else {
ret = list_kernel_events();
if (ret) {
goto end;
}
}
}
if (opt_userspace) {
if (opt_fields) {
ret = list_ust_event_fields();
} else {
ret = list_ust_events();
}
if (ret) {
goto end;
}
}
if (opt_jul || opt_log4j || opt_python) {
ret = list_agent_events();
if (ret) {
goto end;
}
}
} else {
/* List session attributes */
if (lttng_opt_mi) {
/* Open element sessions
* Present for xml consistency */
ret = mi_lttng_sessions_open(writer);
if (ret) {
goto end;
}
}
/* MI: the ouptut of list_sessions is an unclosed session element */
ret = list_sessions(session_name);
if (ret) {
goto end;
}
/* Domain listing */
if (opt_domain) {
ret = list_domains(session_name);
goto end;
}
/* Channel listing */
if (opt_kernel || opt_userspace) {
if (lttng_opt_mi) {
/* Add of domains and domain element for xml
* consistency and validation
*/
ret = mi_lttng_domains_open(writer);
if (ret) {
goto end;
}
/* Open domain and leave it open for
* nested channels printing */
ret = mi_lttng_domain(writer, &domain, 1);
if (ret) {
goto end;
}
}
ret = list_tracker_pids();
if (ret) {
goto end;
}
ret = list_channels(opt_channel);
if (ret) {
goto end;
}
if (lttng_opt_mi) {
/* Close domain and domain element */
ret = mi_lttng_close_multi_element(writer, 2);
}
if (ret) {
goto end;
}
} else {
int i, nb_domain;
/* We want all domain(s) */
nb_domain = lttng_list_domains(session_name, &domains);
if (nb_domain < 0) {
ret = CMD_ERROR;
ERR("%s", lttng_strerror(nb_domain));
goto end;
}
if (lttng_opt_mi) {
ret = mi_lttng_domains_open(writer);
if (ret) {
ret = CMD_ERROR;
goto end;
}
}
for (i = 0; i < nb_domain; i++) {
switch (domains[i].type) {
case LTTNG_DOMAIN_KERNEL:
MSG("=== Domain: Kernel ===\n");
break;
case LTTNG_DOMAIN_UST:
MSG("=== Domain: UST global ===\n");
MSG("Buffer type: %s\n",
domains[i].buf_type ==
LTTNG_BUFFER_PER_PID ? "per PID" : "per UID");
break;
case LTTNG_DOMAIN_JUL:
MSG("=== Domain: JUL (Java Util Logging) ===\n");
break;
case LTTNG_DOMAIN_LOG4J:
MSG("=== Domain: LOG4j (Logging for Java) ===\n");
break;
case LTTNG_DOMAIN_PYTHON:
MSG("=== Domain: Python (logging) ===\n");
break;
default:
MSG("=== Domain: Unimplemented ===\n");
break;
}
if (lttng_opt_mi) {
ret = mi_lttng_domain(writer, &domains[i], 1);
if (ret) {
ret = CMD_ERROR;
goto end;
}
}
/* Clean handle before creating a new one */
if (handle) {
lttng_destroy_handle(handle);
}
handle = lttng_create_handle(session_name, &domains[i]);
if (handle == NULL) {
ret = CMD_FATAL;
goto end;
}
if (domains[i].type == LTTNG_DOMAIN_JUL ||
domains[i].type == LTTNG_DOMAIN_LOG4J ||
domains[i].type == LTTNG_DOMAIN_PYTHON) {
ret = list_session_agent_events();
if (ret) {
goto end;
}
continue;
}
switch (domains[i].type) {
case LTTNG_DOMAIN_KERNEL:
case LTTNG_DOMAIN_UST:
ret = list_tracker_pids();
if (ret) {
goto end;
}
break;
default:
break;
}
ret = list_channels(opt_channel);
if (ret) {
goto end;
}
if (lttng_opt_mi) {
/* Close domain element */
ret = mi_lttng_writer_close_element(writer);
if (ret) {
ret = CMD_ERROR;
goto end;
}
}
}
if (lttng_opt_mi) {
/* Close the domains, session and sessions element */
ret = mi_lttng_close_multi_element(writer, 3);
if (ret) {
ret = CMD_ERROR;
goto end;
}
}
}
}
/* Mi closing */
if (lttng_opt_mi) {
/* Close output element */
ret = mi_lttng_writer_close_element(writer);
if (ret) {
ret = CMD_ERROR;
goto end;
}
/* Command element close */
ret = mi_lttng_writer_command_close(writer);
if (ret) {
ret = CMD_ERROR;
goto end;
}
}
end:
/* Mi clean-up */
if (writer && mi_lttng_writer_destroy(writer)) {
/* Preserve original error code */
ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL;
}
free(domains);
if (handle) {
lttng_destroy_handle(handle);
}
poptFreeContext(pc);
return ret;
}
/*
* The 'list <options>' first level command
*/
int cmd_list(int argc, const char **argv)
{
int opt, ret = CMD_SUCCESS;
const char *session_name;
static poptContext pc;
struct lttng_domain domain;
struct lttng_domain *domains = NULL;
memset(&domain, 0, sizeof(domain));
if (argc < 1) {
usage(stderr);
ret = CMD_ERROR;
goto end;
}
pc = poptGetContext(NULL, argc, argv, long_options, 0);
poptReadDefaultConfig(pc, 0);
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case OPT_HELP:
usage(stdout);
goto end;
case OPT_USERSPACE:
opt_userspace = 1;
break;
case OPT_LIST_OPTIONS:
list_cmd_options(stdout, long_options);
goto end;
default:
usage(stderr);
ret = CMD_UNDEFINED;
goto end;
}
}
/* Get session name (trailing argument) */
session_name = poptGetArg(pc);
DBG2("Session name: %s", session_name);
if (opt_kernel) {
domain.type = LTTNG_DOMAIN_KERNEL;
} else if (opt_userspace) {
DBG2("Listing userspace global domain");
domain.type = LTTNG_DOMAIN_UST;
} else if (opt_jul) {
DBG2("Listing JUL domain");
domain.type = LTTNG_DOMAIN_JUL;
}
if (opt_kernel || opt_userspace || opt_jul) {
handle = lttng_create_handle(session_name, &domain);
if (handle == NULL) {
ret = CMD_FATAL;
goto end;
}
}
if (session_name == NULL) {
if (!opt_kernel && !opt_userspace && !opt_jul) {
ret = list_sessions(NULL);
if (ret != 0) {
goto end;
}
}
if (opt_kernel) {
ret = list_kernel_events();
if (ret < 0) {
ret = CMD_ERROR;
goto end;
}
}
if (opt_userspace) {
if (opt_fields) {
ret = list_ust_event_fields();
} else {
ret = list_ust_events();
}
if (ret < 0) {
ret = CMD_ERROR;
goto end;
}
}
if (opt_jul) {
ret = list_jul_events();
if (ret < 0) {
ret = CMD_ERROR;
goto end;
}
}
} else {
/* List session attributes */
ret = list_sessions(session_name);
if (ret != 0) {
goto end;
}
/* Domain listing */
if (opt_domain) {
ret = list_domains(session_name);
goto end;
}
if (opt_kernel || opt_userspace) {
/* Channel listing */
ret = list_channels(opt_channel);
if (ret < 0) {
goto end;
}
} else {
int i, nb_domain;
/* We want all domain(s) */
nb_domain = lttng_list_domains(session_name, &domains);
if (nb_domain < 0) {
ret = nb_domain;
ERR("%s", lttng_strerror(ret));
goto end;
}
for (i = 0; i < nb_domain; i++) {
switch (domains[i].type) {
case LTTNG_DOMAIN_KERNEL:
MSG("=== Domain: Kernel ===\n");
break;
case LTTNG_DOMAIN_UST:
MSG("=== Domain: UST global ===\n");
MSG("Buffer type: %s\n",
domains[i].buf_type ==
LTTNG_BUFFER_PER_PID ? "per PID" : "per UID");
break;
case LTTNG_DOMAIN_JUL:
MSG("=== Domain: JUL (Java Util Logging) ===\n");
break;
default:
MSG("=== Domain: Unimplemented ===\n");
break;
}
/* Clean handle before creating a new one */
if (handle) {
lttng_destroy_handle(handle);
}
handle = lttng_create_handle(session_name, &domains[i]);
if (handle == NULL) {
ret = CMD_FATAL;
goto end;
}
if (domains[i].type == LTTNG_DOMAIN_JUL) {
ret = list_session_jul_events();
if (ret < 0) {
goto end;
}
continue;
}
ret = list_channels(opt_channel);
if (ret < 0) {
goto end;
}
}
}
}
end:
free(domains);
if (handle) {
lttng_destroy_handle(handle);
}
poptFreeContext(pc);
return ret;
}
