Fix: --clock-force-correlate to handle trace collections gathered from various nodes
[babeltrace.git] / formats / ctf / metadata / ctf-visitor-generate-io-struct.c
index bfb6031d39509d35ff235490fbdcf6d1bf1361c6..43fdcb22442386cace3e60553842e3b5c7eabd82 100644 (file)
 #include <assert.h>
 #include <glib.h>
 #include <inttypes.h>
-#include <endian.h>
 #include <errno.h>
 #include <babeltrace/babeltrace-internal.h>
 #include <babeltrace/list.h>
 #include <babeltrace/types.h>
 #include <babeltrace/ctf/metadata.h>
-#include <uuid/uuid.h>
+#include <babeltrace/uuid.h>
+#include <babeltrace/endian.h>
+#include <babeltrace/ctf/events-internal.h>
 #include "ctf-scanner.h"
 #include "ctf-parser.h"
 #include "ctf-ast.h"
 #define _bt_list_first_entry(ptr, type, member)        \
        bt_list_entry((ptr)->next, type, member)
 
+struct last_enum_value {
+       union {
+               int64_t s;
+               uint64_t u;
+       } u;
+};
+
 int opt_clock_force_correlate;
 
 static
@@ -51,6 +59,20 @@ static
 int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node,
                     struct declaration_scope *parent_declaration_scope, struct ctf_trace *trace);
 
+static
+int is_unary_string(struct bt_list_head *head)
+{
+       struct ctf_node *node;
+
+       bt_list_for_each_entry(node, head, siblings) {
+               if (node->type != NODE_UNARY_EXPRESSION)
+                       return 0;
+               if (node->u.unary_expression.type != UNARY_STRING)
+                       return 0;
+       }
+       return 1;
+}
+
 /*
  * String returned must be freed by the caller using g_free.
  */
@@ -133,6 +155,20 @@ GQuark get_map_clock_name_value(struct bt_list_head *head)
        return g_quark_from_string(name);
 }
 
+static
+int is_unary_unsigned(struct bt_list_head *head)
+{
+       struct ctf_node *node;
+
+       bt_list_for_each_entry(node, head, siblings) {
+               if (node->type != NODE_UNARY_EXPRESSION)
+                       return 0;
+               if (node->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT)
+                       return 0;
+       }
+       return 1;
+}
+
 static
 int get_unary_unsigned(struct bt_list_head *head, uint64_t *value)
 {
@@ -150,6 +186,20 @@ int get_unary_unsigned(struct bt_list_head *head, uint64_t *value)
        return 0;
 }
 
+static
+int is_unary_signed(struct bt_list_head *head)
+{
+       struct ctf_node *node;
+
+       bt_list_for_each_entry(node, head, siblings) {
+               if (node->type != NODE_UNARY_EXPRESSION)
+                       return 0;
+               if (node->u.unary_expression.type != UNARY_SIGNED_CONSTANT)
+                       return 0;
+       }
+       return 1;
+}
+
 static
 int get_unary_signed(struct bt_list_head *head, int64_t *value)
 {
@@ -178,7 +228,7 @@ int get_unary_signed(struct bt_list_head *head, int64_t *value)
 }
 
 static
-int get_unary_uuid(struct bt_list_head *head, uuid_t *uuid)
+int get_unary_uuid(struct bt_list_head *head, unsigned char *uuid)
 {
        struct ctf_node *node;
        int i = 0;
@@ -192,13 +242,13 @@ int get_unary_uuid(struct bt_list_head *head, uuid_t *uuid)
                assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN);
                assert(i == 0);
                src_string = node->u.unary_expression.u.string;
-               ret = uuid_parse(src_string, *uuid);
+               ret = babeltrace_uuid_parse(src_string, uuid);
        }
        return ret;
 }
 
 static
-struct ctf_stream_class *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id)
+struct ctf_stream_declaration *trace_stream_lookup(struct ctf_trace *trace, uint64_t stream_id)
 {
        if (trace->streams->len <= stream_id)
                return NULL;
@@ -890,7 +940,8 @@ error:
 static
 int ctf_enumerator_list_visit(FILE *fd, int depth,
                struct ctf_node *enumerator,
-               struct declaration_enum *enum_declaration)
+               struct declaration_enum *enum_declaration,
+               struct last_enum_value *last)
 {
        GQuark q;
        struct ctf_node *iter;
@@ -926,8 +977,11 @@ int ctf_enumerator_list_visit(FILE *fd, int depth,
                        }
                        nr_vals++;
                }
-               if (nr_vals == 1)
+               if (nr_vals == 0)
+                       start = last->u.s;
+               if (nr_vals <= 1)
                        end = start;
+               last->u.s = end + 1;
                enum_signed_insert(enum_declaration, start, end, q);
        } else {
                uint64_t start, end;
@@ -963,8 +1017,11 @@ int ctf_enumerator_list_visit(FILE *fd, int depth,
                        }
                        nr_vals++;
                }
-               if (nr_vals == 1)
+               if (nr_vals == 0)
+                       start = last->u.u;
+               if (nr_vals <= 1)
                        end = start;
+               last->u.u = end + 1;
                enum_unsigned_insert(enum_declaration, start, end, q);
        }
        return 0;
@@ -982,6 +1039,7 @@ struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth,
        struct declaration *declaration;
        struct declaration_enum *enum_declaration;
        struct declaration_integer *integer_declaration;
+       struct last_enum_value last_value;
        struct ctf_node *iter;
        GQuark dummy_id;
        int ret;
@@ -1033,8 +1091,14 @@ struct declaration *ctf_declaration_enum_visit(FILE *fd, int depth,
                integer_declaration = container_of(declaration, struct declaration_integer, p);
                enum_declaration = enum_declaration_new(integer_declaration);
                declaration_unref(&integer_declaration->p);     /* leave ref to enum */
+               if (enum_declaration->integer_declaration->signedness) {
+                       last_value.u.s = 0;
+               } else {
+                       last_value.u.u = 0;
+               }
                bt_list_for_each_entry(iter, enumerator_list, siblings) {
-                       ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration);
+                       ret = ctf_enumerator_list_visit(fd, depth + 1, iter, enum_declaration,
+                                       &last_value);
                        if (ret)
                                goto error;
                }
@@ -1543,7 +1607,7 @@ struct declaration *ctf_type_specifier_list_visit(FILE *fd,
 }
 
 static
-int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event *event, struct ctf_trace *trace)
+int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_event_declaration *event, struct ctf_trace *trace)
 {
        int ret = 0;
 
@@ -1699,9 +1763,11 @@ int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node,
 {
        int ret = 0;
        struct ctf_node *iter;
-       struct ctf_event *event;
+       struct ctf_event_declaration *event;
+       struct bt_ctf_event_decl *event_decl;
 
-       event = g_new0(struct ctf_event, 1);
+       event_decl = g_new0(struct bt_ctf_event_decl, 1);
+       event = &event_decl->parent;
        event->declaration_scope = new_declaration_scope(parent_declaration_scope);
        event->loglevel = -1;
        bt_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) {
@@ -1745,6 +1811,7 @@ int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node,
        g_hash_table_insert(event->stream->event_quark_to_id,
                            (gpointer) (unsigned long) event->name,
                            &event->id);
+       g_ptr_array_add(trace->event_declarations, event_decl);
        return 0;
 
 error:
@@ -1753,13 +1820,13 @@ error:
        if (event->context_decl)
                declaration_unref(&event->context_decl->p);
        free_declaration_scope(event->declaration_scope);
-       g_free(event);
+       g_free(event_decl);
        return ret;
 }
 
  
 static
-int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream_class *stream, struct ctf_trace *trace)
+int ctf_stream_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_stream_declaration *stream, struct ctf_trace *trace)
 {
        int ret = 0;
 
@@ -1885,9 +1952,9 @@ int ctf_stream_visit(FILE *fd, int depth, struct ctf_node *node,
 {
        int ret = 0;
        struct ctf_node *iter;
-       struct ctf_stream_class *stream;
+       struct ctf_stream_declaration *stream;
 
-       stream = g_new0(struct ctf_stream_class, 1);
+       stream = g_new0(struct ctf_stream_declaration, 1);
        stream->declaration_scope = new_declaration_scope(parent_declaration_scope);
        stream->events_by_id = g_ptr_array_new();
        stream->event_quark_to_id = g_hash_table_new(g_direct_hash, g_direct_equal);
@@ -1993,16 +2060,16 @@ int ctf_trace_declaration_visit(FILE *fd, int depth, struct ctf_node *node, stru
                        }
                        CTF_TRACE_SET_FIELD(trace, minor);
                } else if (!strcmp(left, "uuid")) {
-                       uuid_t uuid;
+                       unsigned char uuid[BABELTRACE_UUID_LEN];
 
-                       ret = get_unary_uuid(&node->u.ctf_expression.right, &uuid);
+                       ret = get_unary_uuid(&node->u.ctf_expression.right, uuid);
                        if (ret) {
                                fprintf(fd, "[error] %s: unexpected unary expression for trace uuid\n", __func__);
                                ret = -EINVAL;
                                goto error;
                        }
                        if (CTF_TRACE_FIELD_IS_SET(trace, uuid)
-                               && uuid_compare(uuid, trace->uuid)) {
+                               && babeltrace_uuid_compare(uuid, trace->uuid)) {
                                fprintf(fd, "[error] %s: uuid mismatch\n", __func__);
                                ret = -EPERM;
                                goto error;
@@ -2086,6 +2153,7 @@ int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace
                return -EEXIST;
        trace->declaration_scope = new_declaration_scope(trace->root_declaration_scope);
        trace->streams = g_ptr_array_new();
+       trace->event_declarations = g_ptr_array_new();
        bt_list_for_each_entry(iter, &node->u.trace.declaration_list, siblings) {
                ret = ctf_trace_declaration_visit(fd, depth + 1, iter, trace);
                if (ret)
@@ -2101,11 +2169,6 @@ int ctf_trace_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace
                fprintf(fd, "[error] %s: missing minor field in trace declaration\n", __func__);
                goto error;
        }
-       if (!CTF_TRACE_FIELD_IS_SET(trace, uuid)) {
-               ret = -EPERM;
-               fprintf(fd, "[error] %s: missing uuid field in trace declaration\n", __func__);
-               goto error;
-       }
        if (!CTF_TRACE_FIELD_IS_SET(trace, byte_order)) {
                ret = -EPERM;
                fprintf(fd, "[error] %s: missing byte_order field in trace declaration\n", __func__);
@@ -2129,6 +2192,7 @@ error:
                trace->packet_header_decl = NULL;
        }
        g_ptr_array_free(trace->streams, TRUE);
+       g_ptr_array_free(trace->event_declarations, TRUE);
        free_declaration_scope(trace->declaration_scope);
        trace->declaration_scope = NULL;
        return ret;
@@ -2296,7 +2360,7 @@ int ctf_clock_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace
        }
        if (!CTF_CLOCK_FIELD_IS_SET(clock, name)) {
                ret = -EPERM;
-               fprintf(fd, "[error] %s: missing namefield in clock declaration\n", __func__);
+               fprintf(fd, "[error] %s: missing name field in clock declaration\n", __func__);
                goto error;
        }
        if (g_hash_table_size(trace->clocks) > 0) {
@@ -2393,7 +2457,7 @@ int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
                        }
                        strncpy(env->procname, right, TRACER_ENV_LEN);
                        env->procname[TRACER_ENV_LEN - 1] = '\0';
-                       printf_verbose("env.procname = %s\n", env->procname);
+                       printf_verbose("env.procname = \"%s\"\n", env->procname);
                } else if (!strcmp(left, "domain")) {
                        char *right;
 
@@ -2408,7 +2472,7 @@ int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
                        }
                        strncpy(env->domain, right, TRACER_ENV_LEN);
                        env->domain[TRACER_ENV_LEN - 1] = '\0';
-                       printf_verbose("env.domain = %s\n", env->domain);
+                       printf_verbose("env.domain = \"%s\"\n", env->domain);
                } else if (!strcmp(left, "sysname")) {
                        char *right;
 
@@ -2423,8 +2487,8 @@ int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
                        }
                        strncpy(env->sysname, right, TRACER_ENV_LEN);
                        env->sysname[TRACER_ENV_LEN - 1] = '\0';
-                       printf_verbose("env.sysname = %s\n", env->sysname);
-               } else if (!strcmp(left, "release")) {
+                       printf_verbose("env.sysname = \"%s\"\n", env->sysname);
+               } else if (!strcmp(left, "kernel_release")) {
                        char *right;
 
                        if (env->release[0]) {
@@ -2438,8 +2502,8 @@ int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
                        }
                        strncpy(env->release, right, TRACER_ENV_LEN);
                        env->release[TRACER_ENV_LEN - 1] = '\0';
-                       printf_verbose("env.release = %s\n", env->release);
-               } else if (!strcmp(left, "version")) {
+                       printf_verbose("env.release = \"%s\"\n", env->release);
+               } else if (!strcmp(left, "kernel_version")) {
                        char *right;
 
                        if (env->version[0]) {
@@ -2453,9 +2517,30 @@ int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
                        }
                        strncpy(env->version, right, TRACER_ENV_LEN);
                        env->version[TRACER_ENV_LEN - 1] = '\0';
-                       printf_verbose("env.version = %s\n", env->version);
+                       printf_verbose("env.version = \"%s\"\n", env->version);
                } else {
-                       printf_verbose("%s: attribute \"%s\" is unknown in environment declaration.\n", __func__, left);
+                       if (is_unary_string(&node->u.ctf_expression.right)) {
+                               char *right;
+
+                               right = concatenate_unary_strings(&node->u.ctf_expression.right);
+                               printf_verbose("env.%s = \"%s\"\n", left, right);
+                       } else if (is_unary_unsigned(&node->u.ctf_expression.right)) {
+                               uint64_t v;
+                               int ret;
+
+                               ret = get_unary_unsigned(&node->u.ctf_expression.right, &v);
+                               assert(ret == 0);
+                               printf_verbose("env.%s = %" PRIu64 "\n", left, v);
+                       } else if (is_unary_signed(&node->u.ctf_expression.right)) {
+                               int64_t v;
+                               int ret;
+
+                               ret = get_unary_signed(&node->u.ctf_expression.right, &v);
+                               assert(ret == 0);
+                               printf_verbose("env.%s = %" PRId64 "\n", left, v);
+                       } else {
+                               printf_verbose("%s: attribute \"%s\" has unknown type.\n", __func__, left);
+                       }
                }
 
 error:
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