Fix: intialization of ust_metadata_poll_pipe to garbage value
[lttng-tools.git] / src / common / mi-lttng.c
index e13342e835511deca29d53af8b1264f403961ef1..44ff56f1e4ccf16aee5d097b39faa4d233d0f04c 100644 (file)
@@ -16,7 +16,8 @@
  * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-
+#define _GNU_SOURCE
+#define _LGPL_SOURCE
 #include <include/config.h>
 #include <common/config/config.h>
 #include <lttng/snapshot-internal.h>
@@ -49,6 +50,8 @@ const char * const mi_lttng_element_command_snapshot_record = "record_snapshot";
 const char * const mi_lttng_element_command_start = "start";
 const char * const mi_lttng_element_command_stop = "stop";
 const char * const mi_lttng_element_command_success = "success";
+const char * const mi_lttng_element_command_track = "track";
+const char * const mi_lttng_element_command_untrack = "untrack";
 const char * const mi_lttng_element_command_version = "version";
 
 /* Strings related to version command */
@@ -125,6 +128,24 @@ const char * const mi_lttng_loglevel_str_jul_off = "JUL_OFF";
 const char * const mi_lttng_loglevel_str_jul_severe = "JUL_SEVERE";
 const char * const mi_lttng_loglevel_str_jul_warning = "JUL_WARNING";
 
+/* String related to loglevel LOG4J */
+const char * const mi_lttng_loglevel_str_log4j_off = "LOG4J_OFF";
+const char * const mi_lttng_loglevel_str_log4j_fatal = "LOG4J_FATAL";
+const char * const mi_lttng_loglevel_str_log4j_error = "LOG4J_ERROR";
+const char * const mi_lttng_loglevel_str_log4j_warn = "LOG4J_WARN";
+const char * const mi_lttng_loglevel_str_log4j_info = "LOG4J_INFO";
+const char * const mi_lttng_loglevel_str_log4j_debug = "LOG4J_DEBUG";
+const char * const mi_lttng_loglevel_str_log4j_trace = "LOG4J_TRACE";
+const char * const mi_lttng_loglevel_str_log4j_all = "LOG4J_ALL";
+
+/* String related to loglevel Python */
+const char * const mi_lttng_loglevel_str_python_critical = "PYTHON_CRITICAL";
+const char * const mi_lttng_loglevel_str_python_error = "PYTHON_ERROR";
+const char * const mi_lttng_loglevel_str_python_warning = "PYTHON_WARNING";
+const char * const mi_lttng_loglevel_str_python_info = "PYTHON_INFO";
+const char * const mi_lttng_loglevel_str_python_debug = "PYTHON_DEBUG";
+const char * const mi_lttng_loglevel_str_python_notset = "PYTHON_NOTSET";
+
 /* String related to loglevel type */
 const char * const mi_lttng_loglevel_type_all = "ALL";
 const char * const mi_lttng_loglevel_type_range = "RANGE";
@@ -147,64 +168,124 @@ const char * const mi_lttng_element_snapshots = "snapshots";
  * Those should never overlap by definition
  * (see struct lttng_event loglevel)
  */
-const char *mi_lttng_loglevel_string(int value)
+LTTNG_HIDDEN
+const char *mi_lttng_loglevel_string(int value, enum lttng_domain_type domain)
 {
-       switch (value) {
-       case -1:
-               return mi_lttng_element_empty;
-       case LTTNG_LOGLEVEL_EMERG:
-               return mi_lttng_loglevel_str_emerg;
-       case LTTNG_LOGLEVEL_ALERT:
-               return mi_lttng_loglevel_str_alert;
-       case LTTNG_LOGLEVEL_CRIT:
-               return mi_lttng_loglevel_str_crit;
-       case LTTNG_LOGLEVEL_ERR:
-               return mi_lttng_loglevel_str_err;
-       case LTTNG_LOGLEVEL_WARNING:
-               return mi_lttng_loglevel_str_warning;
-       case LTTNG_LOGLEVEL_NOTICE:
-               return mi_lttng_loglevel_str_notice;
-       case LTTNG_LOGLEVEL_INFO:
-               return mi_lttng_loglevel_str_info;
-       case LTTNG_LOGLEVEL_DEBUG_SYSTEM:
-               return mi_lttng_loglevel_str_debug_system;
-       case LTTNG_LOGLEVEL_DEBUG_PROGRAM:
-               return mi_lttng_loglevel_str_debug_program;
-       case LTTNG_LOGLEVEL_DEBUG_PROCESS:
-               return mi_lttng_loglevel_str_debug_process;
-       case LTTNG_LOGLEVEL_DEBUG_MODULE:
-               return mi_lttng_loglevel_str_debug_module;
-       case LTTNG_LOGLEVEL_DEBUG_UNIT:
-               return mi_lttng_loglevel_str_debug_unit;
-       case LTTNG_LOGLEVEL_DEBUG_FUNCTION:
-               return mi_lttng_loglevel_str_debug_function;
-       case LTTNG_LOGLEVEL_DEBUG_LINE:
-               return mi_lttng_loglevel_str_debug_line;
-       case LTTNG_LOGLEVEL_DEBUG:
-               return mi_lttng_loglevel_str_debug;
-       case LTTNG_LOGLEVEL_JUL_OFF:
-               return mi_lttng_loglevel_str_jul_off;
-       case LTTNG_LOGLEVEL_JUL_SEVERE:
-               return mi_lttng_loglevel_str_jul_severe;
-       case LTTNG_LOGLEVEL_JUL_WARNING:
-               return mi_lttng_loglevel_str_jul_warning;
-       case LTTNG_LOGLEVEL_JUL_INFO:
-               return mi_lttng_loglevel_str_jul_info;
-       case LTTNG_LOGLEVEL_JUL_CONFIG:
-               return mi_lttng_loglevel_str_jul_config;
-       case LTTNG_LOGLEVEL_JUL_FINE:
-               return mi_lttng_loglevel_str_jul_fine;
-       case LTTNG_LOGLEVEL_JUL_FINER:
-               return mi_lttng_loglevel_str_jul_finer;
-       case LTTNG_LOGLEVEL_JUL_FINEST:
-               return mi_lttng_loglevel_str_jul_finest;
-       case LTTNG_LOGLEVEL_JUL_ALL:
-               return mi_lttng_loglevel_str_jul_all;
-       default:
-               return mi_lttng_loglevel_str_unknown;
+       switch (domain) {
+       case LTTNG_DOMAIN_KERNEL:
+       case LTTNG_DOMAIN_UST:
+               switch (value) {
+               case -1:
+                       return mi_lttng_element_empty;
+               case LTTNG_LOGLEVEL_EMERG:
+                       return mi_lttng_loglevel_str_emerg;
+               case LTTNG_LOGLEVEL_ALERT:
+                       return mi_lttng_loglevel_str_alert;
+               case LTTNG_LOGLEVEL_CRIT:
+                       return mi_lttng_loglevel_str_crit;
+               case LTTNG_LOGLEVEL_ERR:
+                       return mi_lttng_loglevel_str_err;
+               case LTTNG_LOGLEVEL_WARNING:
+                       return mi_lttng_loglevel_str_warning;
+               case LTTNG_LOGLEVEL_NOTICE:
+                       return mi_lttng_loglevel_str_notice;
+               case LTTNG_LOGLEVEL_INFO:
+                       return mi_lttng_loglevel_str_info;
+               case LTTNG_LOGLEVEL_DEBUG_SYSTEM:
+                       return mi_lttng_loglevel_str_debug_system;
+               case LTTNG_LOGLEVEL_DEBUG_PROGRAM:
+                       return mi_lttng_loglevel_str_debug_program;
+               case LTTNG_LOGLEVEL_DEBUG_PROCESS:
+                       return mi_lttng_loglevel_str_debug_process;
+               case LTTNG_LOGLEVEL_DEBUG_MODULE:
+                       return mi_lttng_loglevel_str_debug_module;
+               case LTTNG_LOGLEVEL_DEBUG_UNIT:
+                       return mi_lttng_loglevel_str_debug_unit;
+               case LTTNG_LOGLEVEL_DEBUG_FUNCTION:
+                       return mi_lttng_loglevel_str_debug_function;
+               case LTTNG_LOGLEVEL_DEBUG_LINE:
+                       return mi_lttng_loglevel_str_debug_line;
+               case LTTNG_LOGLEVEL_DEBUG:
+                       return mi_lttng_loglevel_str_debug;
+               default:
+                       return mi_lttng_loglevel_str_unknown;
+               }
+               break;
+       case LTTNG_DOMAIN_LOG4J:
+               switch (value) {
+               case -1:
+                       return mi_lttng_element_empty;
+               case LTTNG_LOGLEVEL_LOG4J_OFF:
+                       return mi_lttng_loglevel_str_log4j_off;
+               case LTTNG_LOGLEVEL_LOG4J_FATAL:
+                       return mi_lttng_loglevel_str_log4j_fatal;
+               case LTTNG_LOGLEVEL_LOG4J_ERROR:
+                       return mi_lttng_loglevel_str_log4j_error;
+               case LTTNG_LOGLEVEL_LOG4J_WARN:
+                       return mi_lttng_loglevel_str_log4j_warn;
+               case LTTNG_LOGLEVEL_LOG4J_INFO:
+                       return mi_lttng_loglevel_str_log4j_info;
+               case LTTNG_LOGLEVEL_LOG4J_DEBUG:
+                       return mi_lttng_loglevel_str_log4j_debug;
+               case LTTNG_LOGLEVEL_LOG4J_TRACE:
+                       return mi_lttng_loglevel_str_log4j_trace;
+               case LTTNG_LOGLEVEL_LOG4J_ALL:
+                       return mi_lttng_loglevel_str_log4j_all;
+               default:
+                       return mi_lttng_loglevel_str_unknown;
+               }
+               break;
+       case LTTNG_DOMAIN_JUL:
+               switch (value) {
+               case -1:
+                       return mi_lttng_element_empty;
+               case LTTNG_LOGLEVEL_JUL_OFF:
+                       return mi_lttng_loglevel_str_jul_off;
+               case LTTNG_LOGLEVEL_JUL_SEVERE:
+                       return mi_lttng_loglevel_str_jul_severe;
+               case LTTNG_LOGLEVEL_JUL_WARNING:
+                       return mi_lttng_loglevel_str_jul_warning;
+               case LTTNG_LOGLEVEL_JUL_INFO:
+                       return mi_lttng_loglevel_str_jul_info;
+               case LTTNG_LOGLEVEL_JUL_CONFIG:
+                       return mi_lttng_loglevel_str_jul_config;
+               case LTTNG_LOGLEVEL_JUL_FINE:
+                       return mi_lttng_loglevel_str_jul_fine;
+               case LTTNG_LOGLEVEL_JUL_FINER:
+                       return mi_lttng_loglevel_str_jul_finer;
+               case LTTNG_LOGLEVEL_JUL_FINEST:
+                       return mi_lttng_loglevel_str_jul_finest;
+               case LTTNG_LOGLEVEL_JUL_ALL:
+                       return mi_lttng_loglevel_str_jul_all;
+               default:
+                       return mi_lttng_loglevel_str_unknown;
+               }
+               break;
+       case LTTNG_DOMAIN_PYTHON:
+               switch (value) {
+               case LTTNG_LOGLEVEL_PYTHON_CRITICAL:
+                       return mi_lttng_loglevel_str_python_critical;
+               case LTTNG_LOGLEVEL_PYTHON_ERROR:
+                       return mi_lttng_loglevel_str_python_error;
+               case LTTNG_LOGLEVEL_PYTHON_WARNING:
+                       return mi_lttng_loglevel_str_python_warning;
+               case LTTNG_LOGLEVEL_PYTHON_INFO:
+                       return mi_lttng_loglevel_str_python_info;
+               case LTTNG_LOGLEVEL_PYTHON_DEBUG:
+                       return mi_lttng_loglevel_str_python_debug;
+               case LTTNG_LOGLEVEL_PYTHON_NOTSET:
+                       return mi_lttng_loglevel_str_python_notset;
+               default:
+                       return mi_lttng_loglevel_str_unknown;
+               }
+               break;
        }
+
+       /* Reaching this means the domain is unknown. */
+       return mi_lttng_loglevel_str_unknown;
 }
 
+LTTNG_HIDDEN
 const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value)
 {
        switch (value) {
@@ -219,6 +300,7 @@ const char *mi_lttng_logleveltype_string(enum lttng_loglevel_type value)
        }
 }
 
+LTTNG_HIDDEN
 const char *mi_lttng_eventtype_string(enum lttng_event_type value)
 {
        switch (value) {
@@ -241,6 +323,7 @@ const char *mi_lttng_eventtype_string(enum lttng_event_type value)
        }
 }
 
+LTTNG_HIDDEN
 const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val)
 {
        switch (val) {
@@ -279,6 +362,7 @@ const char *mi_lttng_event_contexttype_string(enum lttng_event_context_type val)
        }
 }
 
+LTTNG_HIDDEN
 const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val)
 {
        switch (val) {
@@ -295,6 +379,7 @@ const char *mi_lttng_eventfieldtype_string(enum lttng_event_field_type val)
        }
 }
 
+LTTNG_HIDDEN
 const char *mi_lttng_domaintype_string(enum lttng_domain_type value)
 {
        /* Note: This is a *duplicate* of get_domain_str from bin/lttng/utils.c */
@@ -305,12 +390,15 @@ const char *mi_lttng_domaintype_string(enum lttng_domain_type value)
                return config_domain_type_ust;
        case LTTNG_DOMAIN_JUL:
                return config_domain_type_jul;
+       case LTTNG_DOMAIN_LOG4J:
+               return config_domain_type_log4j;
        default:
                /* Should not have an unknown domain */
                assert(0);
        }
 }
 
+LTTNG_HIDDEN
 const char *mi_lttng_buffertype_string(enum lttng_buffer_type value)
 {
        switch (value) {
@@ -326,6 +414,7 @@ const char *mi_lttng_buffertype_string(enum lttng_buffer_type value)
        }
 }
 
+LTTNG_HIDDEN
 const char *mi_lttng_calibratetype_string(enum lttng_calibrate_type val)
 {
        const char *ret;
@@ -352,7 +441,7 @@ struct mi_writer *mi_lttng_writer_create(int fd_output, int mi_output_type)
                goto end;
        }
        if (mi_output_type == LTTNG_MI_XML) {
-               mi_writer->writer = config_writer_create(fd_output);
+               mi_writer->writer = config_writer_create(fd_output, 0);
                if (!mi_writer->writer) {
                        goto err_destroy;
                }
@@ -489,7 +578,7 @@ int mi_lttng_version(struct mi_writer *writer, struct mi_lttng_version *version,
 
        /* Version string (contain info like rc etc.) */
        ret = mi_lttng_writer_write_element_string(writer,
-                       mi_lttng_element_version_str, VERSION);
+                       mi_lttng_element_version_str, version->version);
        if (ret) {
                goto end;
        }
@@ -867,13 +956,14 @@ end:
 
 LTTNG_HIDDEN
 int mi_lttng_event_tracepoint_loglevel(struct mi_writer *writer,
-               struct lttng_event *event)
+               struct lttng_event *event, enum lttng_domain_type domain)
 {
        int ret;
 
        /* Event loglevel */
        ret = mi_lttng_writer_write_element_string(writer,
-                       config_element_loglevel, mi_lttng_loglevel_string(event->loglevel));
+                       config_element_loglevel,
+                       mi_lttng_loglevel_string(event->loglevel, domain));
        if (ret) {
                goto end;
        }
@@ -912,6 +1002,16 @@ int mi_lttng_event_function_probe(struct mi_writer *writer,
 {
        int ret;
 
+       ret = mi_lttng_writer_open_element(writer, config_element_attributes);
+       if (ret) {
+               goto end;
+       }
+
+       ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes);
+       if (ret) {
+               goto end;
+       }
+
        if (event->attr.probe.addr != 0) {
                /* event probe address */
                ret = mi_lttng_writer_write_element_unsigned_int(writer,
@@ -934,6 +1034,9 @@ int mi_lttng_event_function_probe(struct mi_writer *writer,
                        goto end;
                }
        }
+
+       /* Close probe_attributes and attributes */
+       ret = mi_lttng_close_multi_element(writer, 2);
 end:
        return ret;
 }
@@ -942,9 +1045,29 @@ LTTNG_HIDDEN
 int mi_lttng_event_function_entry(struct mi_writer *writer,
                struct lttng_event *event)
 {
+       int ret;
+
+       ret = mi_lttng_writer_open_element(writer, config_element_attributes);
+       if (ret) {
+               goto end;
+       }
+
+       ret = mi_lttng_writer_open_element(writer, config_element_probe_attributes);
+       if (ret) {
+               goto end;
+       }
+
        /* event probe symbol_name */
-       return mi_lttng_writer_write_element_string(writer,
+       ret = mi_lttng_writer_write_element_string(writer,
                        config_element_symbol_name, event->attr.ftrace.symbol_name);
+       if (ret) {
+               goto end;
+       }
+
+       /* Close function_attributes and attributes */
+       ret = mi_lttng_close_multi_element(writer, 2);
+end:
+       return ret;
 }
 
 LTTNG_HIDDEN
@@ -955,7 +1078,7 @@ int mi_lttng_events_open(struct mi_writer *writer)
 
 LTTNG_HIDDEN
 int mi_lttng_event(struct mi_writer *writer,
-               struct lttng_event *event, int is_open)
+               struct lttng_event *event, int is_open, enum lttng_domain_type domain)
 {
        int ret;
 
@@ -968,12 +1091,14 @@ int mi_lttng_event(struct mi_writer *writer,
        case LTTNG_EVENT_TRACEPOINT:
        {
                if (event->loglevel != -1) {
-                       ret = mi_lttng_event_tracepoint_loglevel(writer, event);
+                       ret = mi_lttng_event_tracepoint_loglevel(writer, event, domain);
                } else {
                        ret = mi_lttng_event_tracepoint_no_loglevel(writer, event);
                }
                break;
        }
+       case LTTNG_EVENT_FUNCTION:
+               /* Fallthrough */
        case LTTNG_EVENT_PROBE:
                ret = mi_lttng_event_function_probe(writer, event);
                break;
@@ -1115,6 +1240,9 @@ int mi_lttng_calibrate(struct mi_writer *writer,
 end:
        return ret;
 }
+
+/* TODO: mi tracker */
+
 LTTNG_HIDDEN
 int mi_lttng_context(struct mi_writer *writer,
                struct lttng_event_context *context, int is_open)
@@ -1218,6 +1346,9 @@ int mi_lttng_snapshot_output_session_name(struct mi_writer *writer,
        /* Snapshot output list for current session name */
        ret = mi_lttng_writer_write_element_string(writer, config_element_name,
                        session_name);
+       if (ret) {
+               goto end;
+       }
 
        /* Open element snapshots (sequence one snapshot) */
        ret = mi_lttng_writer_open_element(writer, mi_lttng_element_snapshots);
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