Implement ctf-metadata output plugin

[babeltrace.git] / converter / babeltrace.c

diff --git a/converter/babeltrace.c b/converter/babeltrace.c
index 1fe06adf74f7aa8bd4bbd2c379f2e2c9c23f5b43..a34af175f9e817545c3b9ef2cf2863aa487ae151 100644 (file)
--- a/converter/babeltrace.c
+++ b/converter/babeltrace.c
@@ -31,6 +31,7 @@
 #include <babeltrace/babeltrace.h>
 #include <babeltrace/format.h>
 #include <babeltrace/context.h>
+#include <babeltrace/context-internal.h>
 #include <babeltrace/ctf/types.h>
 #include <babeltrace/ctf/events.h>
 /* TODO: fix object model for format-agnostic callbacks */
@@ -515,6 +516,67 @@ int bt_context_add_traces_recursive(struct bt_context *ctx, const char *path,
        return ret;
 }
 
+static
+int trace_pre_handler(struct bt_trace_descriptor *td_write,
+                 struct bt_context *ctx)
+{
+       struct ctf_text_stream_pos *sout;
+       struct trace_collection *tc;
+       int ret, i;
+
+       sout = container_of(td_write, struct ctf_text_stream_pos,
+                       trace_descriptor);
+
+       if (!sout->parent.pre_trace_cb)
+               return 0;
+
+       tc = ctx->tc;
+       for (i = 0; i < tc->array->len; i++) {
+               struct bt_trace_descriptor *td =
+                       g_ptr_array_index(tc->array, i);
+
+               ret = sout->parent.pre_trace_cb(&sout->parent, td);
+               if (ret) {
+                       fprintf(stderr, "[error] Writing to trace pre handler failed.\n");
+                       goto end;
+               }
+       }
+       ret = 0;
+end:
+       return ret;
+}
+
+static
+int trace_post_handler(struct bt_trace_descriptor *td_write,
+                 struct bt_context *ctx)
+{
+       struct ctf_text_stream_pos *sout;
+       struct trace_collection *tc;
+       int ret, i;
+
+       sout = container_of(td_write, struct ctf_text_stream_pos,
+                       trace_descriptor);
+
+       if (!sout->parent.post_trace_cb)
+               return 0;
+
+       tc = ctx->tc;
+       for (i = 0; i < tc->array->len; i++) {
+               struct bt_trace_descriptor *td =
+                       g_ptr_array_index(tc->array, i);
+
+               ret = sout->parent.post_trace_cb(&sout->parent, td);
+               if (ret) {
+                       fprintf(stderr, "[error] Writing to trace post handler failed.\n");
+                       goto end;
+               }
+       }
+       ret = 0;
+end:
+       return ret;
+}
+
+static
 int convert_trace(struct bt_trace_descriptor *td_write,
                  struct bt_context *ctx)
 {
@@ -527,6 +589,9 @@ int convert_trace(struct bt_trace_descriptor *td_write,
        sout = container_of(td_write, struct ctf_text_stream_pos,
                        trace_descriptor);
 
+       if (!sout->parent.event_cb)
+               return 0;
+
        begin_pos.type = BT_SEEK_BEGIN;
        iter = bt_ctf_iter_create(ctx, &begin_pos, NULL);
        if (!iter) {
@@ -660,12 +725,24 @@ int main(int argc, char **argv)
        if (partial_error)
                sleep(PARTIAL_ERROR_SLEEP);
 
+       ret = trace_pre_handler(td_write, ctx);
+       if (ret) {
+               fprintf(stderr, "Error in trace pre handle.\n\n");
+               goto error_copy_trace;
+       }
+
        ret = convert_trace(td_write, ctx);
        if (ret) {
                fprintf(stderr, "Error printing trace.\n\n");
                goto error_copy_trace;
        }
 
+       ret = trace_post_handler(td_write, ctx);
+       if (ret) {
+               fprintf(stderr, "Error in trace post handle.\n\n");
+               goto error_copy_trace;
+       }
+
        fmt_write->close_trace(td_write);
 
        bt_context_put(ctx);