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Adding log4j agent support
[lttng-tools.git] / src / bin / lttng / commands / list.c
diff --git a/src/bin/lttng/commands/list.c b/src/bin/lttng/commands/list.c
index 2dd0dc8a331d0a34e09764ce1b3217c9d6e1bcf7..e3ff4f1bac7d422f911e0f53e125060bb4b30137 100644 (file)
--- a/src/bin/lttng/commands/list.c
+++ b/src/bin/lttng/commands/list.c
@@ -30,6 +30,7 @@
 static int opt_userspace;
 static int opt_kernel;
 static int opt_jul;
+static int opt_log4j;
 static char *opt_channel;
 static int opt_domain;
 static int opt_fields;
@@ -57,6 +58,7 @@ static struct poptOption long_options[] = {
        {"help",      'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
        {"kernel",    'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0},
        {"jul",       'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0},
+       {"log4j",     'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0},
 #if 0
        /* Not implemented yet */
        {"userspace",      'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0},
@@ -184,34 +186,6 @@ const char *exclusion_string(int value)
        }
 }
 
-static const char *loglevel_jul_string(int value)
-{
-       switch (value) {
-       case -1:
-               return "";
-       case LTTNG_LOGLEVEL_JUL_OFF:
-               return "JUL_OFF";
-       case LTTNG_LOGLEVEL_JUL_SEVERE:
-               return "JUL_SEVERE";
-       case LTTNG_LOGLEVEL_JUL_WARNING:
-               return "JUL_WARNING";
-       case LTTNG_LOGLEVEL_JUL_INFO:
-               return "JUL_INFO";
-       case LTTNG_LOGLEVEL_JUL_CONFIG:
-               return "JUL_CONFIG";
-       case LTTNG_LOGLEVEL_JUL_FINE:
-               return "JUL_FINE";
-       case LTTNG_LOGLEVEL_JUL_FINER:
-               return "JUL_FINER";
-       case LTTNG_LOGLEVEL_JUL_FINEST:
-               return "JUL_FINEST";
-       case LTTNG_LOGLEVEL_JUL_ALL:
-               return "JUL_ALL";
-       default:
-               return "<<UNKNOWN>>";
-       }
-}
-
 static const char *logleveltype_string(enum lttng_loglevel_type value)
 {
        switch (value) {
@@ -332,7 +306,7 @@ static void print_event_field(struct lttng_event_field *field)
  * Machine interface
  * Jul and ust event listing
  */
-static int mi_list_jul_ust_events(struct lttng_event *events, int count,
+static int mi_list_agent_ust_events(struct lttng_event *events, int count,
                struct lttng_domain *domain)
 {
        int ret, i;
@@ -416,7 +390,7 @@ error:
        return ret;
 }
 
-static int list_jul_events(void)
+static int list_agent_events(void)
 {
        int i, size, ret = CMD_SUCCESS;
        struct lttng_domain domain;
@@ -424,11 +398,18 @@ static int list_jul_events(void)
        struct lttng_event *event_list;
        pid_t cur_pid = 0;
        char *cmdline = NULL;
-
-       DBG("Getting JUL tracing events");
+       const char *agent_domain_str;
 
        memset(&domain, 0, sizeof(domain));
-       domain.type = LTTNG_DOMAIN_JUL;
+       if (opt_jul) {
+               domain.type = LTTNG_DOMAIN_JUL;
+       } else if (opt_log4j) {
+               domain.type = LTTNG_DOMAIN_LOG4J;
+       }
+
+       agent_domain_str = get_domain_str(domain.type);
+
+       DBG("Getting %s tracing events", agent_domain_str);
 
        handle = lttng_create_handle(NULL, &domain);
        if (handle == NULL) {
@@ -438,21 +419,23 @@ static int list_jul_events(void)
 
        size = lttng_list_tracepoints(handle, &event_list);
        if (size < 0) {
-               ERR("Unable to list JUL events: %s", lttng_strerror(size));
+               ERR("Unable to list %s events: %s", agent_domain_str,
+                               lttng_strerror(size));
                ret = CMD_ERROR;
                goto end;
        }
 
        if (lttng_opt_mi) {
                /* Mi print */
-               ret = mi_list_jul_ust_events(event_list, size, &domain);
+               ret = mi_list_agent_ust_events(event_list, size, &domain);
                if (ret) {
                        ret = CMD_ERROR;
                        goto error;
                }
        } else {
                /* Pretty print */
-               MSG("JUL events (Logger name):\n-------------------------");
+               MSG("%s events (Logger name):\n-------------------------",
+                               agent_domain_str);
 
                if (size == 0) {
                        MSG("None");
@@ -515,7 +498,7 @@ static int list_ust_events(void)
 
        if (lttng_opt_mi) {
                /* Mi print */
-               ret = mi_list_jul_ust_events(event_list, size, &domain);
+               ret = mi_list_agent_ust_events(event_list, size, &domain);
        } else {
                /* Pretty print */
                MSG("UST events:\n-------------");
@@ -584,10 +567,8 @@ static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count,
                if (cur_pid != fields[i].event.pid) {
                        if (pid_element_open) {
                                if (event_element_open) {
-                                       /* 
-                                        * Close the previous fields element
-                                        * and the previous event
-                                        */
+
+                                       /* Close the previous field element and event. */
                                        ret = mi_lttng_close_multi_element(writer, 2);
                                        if (ret) {
                                                goto end;
@@ -776,7 +757,7 @@ static int mi_list_kernel_events(struct lttng_event *events, int count,
        }
 
        for (i = 0; i < count; i++) {
-               mi_lttng_event(writer, &events[i], 0);
+               ret = mi_lttng_event(writer, &events[i], 0);
                if (ret) {
                        goto end;
                }
@@ -851,9 +832,9 @@ error:
 
 /*
  * Machine Interface
- * Print a list of jul events
+ * Print a list of agent events
  */
-static int mi_list_session_jul_events(struct lttng_event *events, int count)
+static int mi_list_session_agent_events(struct lttng_event *events, int count)
 {
        int ret, i;
 
@@ -878,11 +859,11 @@ end:
 }
 
 /*
- * List JUL events for a specific session using the handle.
+ * List agent events for a specific session using the handle.
  *
  * Return CMD_SUCCESS on success else a negative value.
  */
-static int list_session_jul_events(void)
+static int list_session_agent_events(void)
 {
        int ret = CMD_SUCCESS, count, i;
        struct lttng_event *events = NULL;
@@ -896,7 +877,7 @@ static int list_session_jul_events(void)
 
        if (lttng_opt_mi) {
                /* Mi print */
-               ret = mi_list_session_jul_events(events, count);
+               ret = mi_list_session_agent_events(events, count);
                if (ret) {
                        ret = CMD_ERROR;
                        goto end;
@@ -913,7 +894,7 @@ static int list_session_jul_events(void)
                        MSG("%s- %s%s (loglevel%s %s)", indent4, events[i].name,
                                        enabled_string(events[i].enabled),
                                        logleveltype_string(events[i].loglevel_type),
-                                       loglevel_jul_string(events[i].loglevel));
+                                       mi_lttng_loglevel_string(events[i].loglevel));
                }
 
                MSG("");
@@ -1390,6 +1371,9 @@ static int list_domains(const char *session_name)
                        case LTTNG_DOMAIN_JUL:
                                MSG("  - JUL (Java Util Logging)");
                                break;
+                       case LTTNG_DOMAIN_LOG4J:
+                               MSG("  - LOG4j (Logging for Java)");
+                               break;
                        default:
                                break;
                        }
@@ -1480,9 +1464,11 @@ int cmd_list(int argc, const char **argv)
        } else if (opt_jul) {
                DBG2("Listing JUL domain");
                domain.type = LTTNG_DOMAIN_JUL;
+       } else if (opt_jul) {
+               domain.type = LTTNG_DOMAIN_LOG4J;
        }
 
-       if (opt_kernel || opt_userspace || opt_jul) {
+       if (opt_kernel || opt_userspace || opt_jul || opt_log4j) {
                handle = lttng_create_handle(session_name, &domain);
                if (handle == NULL) {
                        ret = CMD_FATAL;
@@ -1491,7 +1477,7 @@ int cmd_list(int argc, const char **argv)
        }
 
        if (session_name == NULL) {
-               if (!opt_kernel && !opt_userspace && !opt_jul) {
+               if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j) {
                        ret = list_sessions(NULL);
                        if (ret) {
                                goto end;
@@ -1513,8 +1499,8 @@ int cmd_list(int argc, const char **argv)
                                goto end;
                        }
                }
-               if (opt_jul) {
-                       ret = list_jul_events();
+               if (opt_jul || opt_log4j) {
+                       ret = list_agent_events();
                        if (ret) {
                                goto end;
                        }
@@ -1608,6 +1594,9 @@ int cmd_list(int argc, const char **argv)
                                case LTTNG_DOMAIN_JUL:
                                        MSG("=== Domain: JUL (Java Util Logging) ===\n");
                                        break;
+                               case LTTNG_DOMAIN_LOG4J:
+                                       MSG("=== Domain: LOG4j (Logging for Java) ===\n");
+                                       break;
                                default:
                                        MSG("=== Domain: Unimplemented ===\n");
                                        break;
@@ -1632,8 +1621,9 @@ int cmd_list(int argc, const char **argv)
                                        goto end;
                                }
 
-                               if (domains[i].type == LTTNG_DOMAIN_JUL) {
-                                       ret = list_session_jul_events();
+                               if (domains[i].type == LTTNG_DOMAIN_JUL ||
+                                               domains[i].type == LTTNG_DOMAIN_LOG4J) {
+                                       ret = list_session_agent_events();
                                        if (ret) {
                                                goto end;
                                        }
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