Show env. in verbose mode
[babeltrace.git] / formats / ctf / metadata / ctf-visitor-generate-io-struct.c
index dee8384d703b07778fd5fa46b1045a6b0e1ce7d0..4a71a27e04024dae8ecfab95d69cd5854391bc13 100644 (file)
@@ -156,10 +156,20 @@ int get_unary_signed(struct cds_list_head *head, int64_t *value)
 
        cds_list_for_each_entry(node, head, siblings) {
                assert(node->type == NODE_UNARY_EXPRESSION);
-               assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT);
+               assert(node->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT
+                       || node->u.unary_expression.type == UNARY_SIGNED_CONSTANT);
                assert(node->u.unary_expression.link == UNARY_LINK_UNKNOWN);
                assert(i == 0);
-               *value = node->u.unary_expression.u.signed_constant;
+               switch (node->u.unary_expression.type) {
+               case UNARY_UNSIGNED_CONSTANT:
+                       *value = (int64_t) node->u.unary_expression.u.unsigned_constant;
+                       break;
+               case UNARY_SIGNED_CONSTANT:
+                       *value = node->u.unary_expression.u.signed_constant;
+                       break;
+               default:
+                       assert(0);
+               }
                i++;
        }
        return 0;
@@ -1649,36 +1659,22 @@ int ctf_event_declaration_visit(FILE *fd, int depth, struct ctf_node *node, stru
                                goto error;
                        }
                        event->fields_decl = container_of(declaration, struct declaration_struct, p);
-               } else if (!strcmp(left, "loglevel.identifier")) {
-                       char *right;
+               } else if (!strcmp(left, "loglevel")) {
+                       int64_t loglevel = -1;
 
-                       if (CTF_EVENT_FIELD_IS_SET(event, loglevel_identifier)) {
-                               fprintf(fd, "[error] %s: identifier already declared in event declaration\n", __func__);
-                               ret = -EPERM;
-                               goto error;
-                       }
-                       right = concatenate_unary_strings(&node->u.ctf_expression.right);
-                       if (!right) {
-                               fprintf(fd, "[error] %s: unexpected unary expression for event identifier\n", __func__);
-                               ret = -EINVAL;
-                               goto error;
-                       }
-                       event->loglevel_identifier = g_quark_from_string(right);
-                       g_free(right);
-                       CTF_EVENT_SET_FIELD(event, loglevel_identifier);
-               } else if (!strcmp(left, "loglevel.value")) {
-                       if (CTF_EVENT_FIELD_IS_SET(event, loglevel_value)) {
-                               fprintf(fd, "[error] %s: loglevel value already declared in event declaration\n", __func__);
+                       if (CTF_EVENT_FIELD_IS_SET(event, loglevel)) {
+                               fprintf(fd, "[error] %s: loglevel already declared in event declaration\n", __func__);
                                ret = -EPERM;
                                goto error;
                        }
-                       ret = get_unary_signed(&node->u.ctf_expression.right, &event->loglevel_value);
+                       ret = get_unary_signed(&node->u.ctf_expression.right, &loglevel);
                        if (ret) {
-                               fprintf(fd, "[error] %s: unexpected unary expression for event loglevel value\n", __func__);
+                               fprintf(fd, "[error] %s: unexpected unary expression for event loglevel\n", __func__);
                                ret = -EINVAL;
                                goto error;
                        }
-                       CTF_EVENT_SET_FIELD(event, loglevel_value);
+                       event->loglevel = (int) loglevel;
+                       CTF_EVENT_SET_FIELD(event, loglevel);
                } else {
                        fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in event declaration.\n", __func__, left);
                        /* Fall-through after warning */
@@ -1705,6 +1701,7 @@ int ctf_event_visit(FILE *fd, int depth, struct ctf_node *node,
 
        event = g_new0(struct ctf_event, 1);
        event->declaration_scope = new_declaration_scope(parent_declaration_scope);
+       event->loglevel = -1;
        cds_list_for_each_entry(iter, &node->u.event.declaration_list, siblings) {
                ret = ctf_event_declaration_visit(fd, depth + 1, iter, event, trace);
                if (ret)
@@ -2304,6 +2301,144 @@ void clock_free(gpointer data)
        g_free(clock);
 }
 
+static
+int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
+               struct ctf_trace *trace)
+{
+       int ret = 0;
+       struct ctf_tracer_env *env = &trace->env;
+
+       switch (node->type) {
+       case NODE_CTF_EXPRESSION:
+       {
+               char *left;
+
+               left = concatenate_unary_strings(&node->u.ctf_expression.left);
+               if (!strcmp(left, "vpid")) {
+                       uint64_t v;
+
+                       if (env->vpid != -1) {
+                               fprintf(fd, "[error] %s: vpid already declared in env declaration\n", __func__);
+                               goto error;     /* ret is 0, so not an actual error, just warn. */
+                       }
+                       ret = get_unary_unsigned(&node->u.ctf_expression.right, &v);
+                       if (ret) {
+                               fprintf(fd, "[error] %s: unexpected unary expression for env vpid\n", __func__);
+                               goto error;     /* ret is 0, so not an actual error, just warn. */
+                       }
+                       env->vpid = (int) v;
+                       printf_verbose("env.vpid = %d\n", env->vpid);
+               } else if (!strcmp(left, "procname")) {
+                       char *right;
+
+                       if (env->procname[0]) {
+                               fprintf(fd, "[warning] %s: duplicated env procname\n", __func__);
+                               goto error;     /* ret is 0, so not an actual error, just warn. */
+                       }
+                       right = concatenate_unary_strings(&node->u.ctf_expression.right);
+                       if (!right) {
+                               fprintf(fd, "[warning] %s: unexpected unary expression for env procname\n", __func__);
+                               goto error;     /* ret is 0, so not an actual error, just warn. */
+                       }
+                       strncpy(env->procname, right, TRACER_ENV_LEN);
+                       env->procname[TRACER_ENV_LEN - 1] = '\0';
+                       printf_verbose("env.procname = %s\n", env->procname);
+               } else if (!strcmp(left, "domain")) {
+                       char *right;
+
+                       if (env->domain[0]) {
+                               fprintf(fd, "[warning] %s: duplicated env domain\n", __func__);
+                               goto error;     /* ret is 0, so not an actual error, just warn. */
+                       }
+                       right = concatenate_unary_strings(&node->u.ctf_expression.right);
+                       if (!right) {
+                               fprintf(fd, "[warning] %s: unexpected unary expression for env domain\n", __func__);
+                               goto error;     /* ret is 0, so not an actual error, just warn. */
+                       }
+                       strncpy(env->domain, right, TRACER_ENV_LEN);
+                       env->domain[TRACER_ENV_LEN - 1] = '\0';
+                       printf_verbose("env.domain = %s\n", env->domain);
+               } else if (!strcmp(left, "sysname")) {
+                       char *right;
+
+                       if (env->sysname[0]) {
+                               fprintf(fd, "[warning] %s: duplicated env sysname\n", __func__);
+                               goto error;     /* ret is 0, so not an actual error, just warn. */
+                       }
+                       right = concatenate_unary_strings(&node->u.ctf_expression.right);
+                       if (!right) {
+                               fprintf(fd, "[warning] %s: unexpected unary expression for env sysname\n", __func__);
+                               goto error;     /* ret is 0, so not an actual error, just warn. */
+                       }
+                       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")) {
+                       char *right;
+
+                       if (env->release[0]) {
+                               fprintf(fd, "[warning] %s: duplicated env release\n", __func__);
+                               goto error;     /* ret is 0, so not an actual error, just warn. */
+                       }
+                       right = concatenate_unary_strings(&node->u.ctf_expression.right);
+                       if (!right) {
+                               fprintf(fd, "[warning] %s: unexpected unary expression for env release\n", __func__);
+                               goto error;     /* ret is 0, so not an actual error, just warn. */
+                       }
+                       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")) {
+                       char *right;
+
+                       if (env->version[0]) {
+                               fprintf(fd, "[warning] %s: duplicated env version\n", __func__);
+                               goto error;     /* ret is 0, so not an actual error, just warn. */
+                       }
+                       right = concatenate_unary_strings(&node->u.ctf_expression.right);
+                       if (!right) {
+                               fprintf(fd, "[warning] %s: unexpected unary expression for env version\n", __func__);
+                               goto error;     /* ret is 0, so not an actual error, just warn. */
+                       }
+                       strncpy(env->version, right, TRACER_ENV_LEN);
+                       env->version[TRACER_ENV_LEN - 1] = '\0';
+                       printf_verbose("env.version = %s\n", env->version);
+               } else {
+                       printf_verbose("%s: attribute \"%s\" is unknown in environment declaration.\n", __func__, left);
+               }
+
+error:
+               g_free(left);
+               break;
+       }
+       default:
+               return -EPERM;
+       }
+
+       return ret;
+}
+
+static
+int ctf_env_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
+{
+       int ret = 0;
+       struct ctf_node *iter;
+
+       trace->env.vpid = -1;
+       trace->env.procname[0] = '\0';
+       trace->env.domain[0] = '\0';
+       trace->env.sysname[0] = '\0';
+       trace->env.release[0] = '\0';
+       trace->env.version[0] = '\0';
+       cds_list_for_each_entry(iter, &node->u.env.declaration_list, siblings) {
+               ret = ctf_env_declaration_visit(fd, depth + 1, iter, trace);
+               if (ret)
+                       goto error;
+       }
+error:
+       return 0;
+}
+
 static
 int ctf_root_declaration_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
 {
@@ -2355,7 +2490,7 @@ int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node,
 {
        int ret = 0;
        struct ctf_node *iter;
-       int clock_done = 0;
+       int env_clock_done = 0;
 
        printf_verbose("CTF visitor: metadata construction... ");
        trace->byte_order = byte_order;
@@ -2367,7 +2502,7 @@ retry:
 
        switch (node->type) {
        case NODE_ROOT:
-               if (!clock_done) {
+               if (!env_clock_done) {
                        /*
                         * declarations need to query clock hash table,
                         * so clock need to be treated first.
@@ -2380,7 +2515,7 @@ retry:
                                        goto error;
                                }
                        }
-                       clock_done = 1;
+                       env_clock_done = 1;
                }
                cds_list_for_each_entry(iter, &node->u.root.declaration_list,
                                        siblings) {
@@ -2411,6 +2546,13 @@ retry:
                        ret = -EINVAL;
                        goto error;
                }
+               cds_list_for_each_entry(iter, &node->u.root.env, siblings) {
+                       ret = ctf_env_visit(fd, depth + 1, iter, trace);
+                       if (ret) {
+                               fprintf(fd, "[error] %s: env declaration error\n", __func__);
+                               goto error;
+                       }
+               }
                cds_list_for_each_entry(iter, &node->u.root.stream, siblings) {
                        ret = ctf_stream_visit(fd, depth + 1, iter,
                                               trace->root_declaration_scope, trace);
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