Signed-off-by: Nils Carlson <[email protected]>
---
libustcomm/ustcomm.c | 32 ++++++++++++++++++++++++++++++++
libustcomm/ustcomm.h | 11 +++++++++++
2 files changed, 43 insertions(+), 0 deletions(-)
diff --git a/libustcomm/ustcomm.c b/libustcomm/ustcomm.c
index fe8fea2..7d0fe00 100644
--- a/libustcomm/ustcomm.c
+++ b/libustcomm/ustcomm.c
@@ -621,6 +621,38 @@ char * ustcomm_restore_ptr(char *ptr, char *data_field,
int data_field_size)
return data_field + (long)ptr;
}
+int ustcomm_pack_trace_info(struct ustcomm_header *header,
+ struct ustcomm_trace_info *trace_inf,
+ const char *trace)
+{
+ int offset = 0;
+
+ trace_inf->trace = ustcomm_print_data(trace_inf->data,
+ sizeof(trace_inf->data),
+ &offset,
+ trace);
+
+ if (trace_inf->trace == USTCOMM_POISON_PTR) {
+ return -ENOMEM;
+ }
+
+ header->size = COMPUTE_MSG_SIZE(trace_inf, offset);
+
+ return 0;
+}
+
+
+int ustcomm_unpack_trace_info(struct ustcomm_trace_info *trace_inf)
+{
+ trace_inf->trace = ustcomm_restore_ptr(trace_inf->trace,
+ trace_inf->data,
+ sizeof(trace_inf->data));
+ if (!trace_inf->trace) {
+ return -EINVAL;
+ }
+
+ return 0;
+}
int ustcomm_pack_channel_info(struct ustcomm_header *header,
struct ustcomm_channel_info *ch_inf,
diff --git a/libustcomm/ustcomm.h b/libustcomm/ustcomm.h
index f62250c..d548bc1 100644
--- a/libustcomm/ustcomm.h
+++ b/libustcomm/ustcomm.h
@@ -78,6 +78,11 @@ enum tracectl_commands {
STOP_TRACE,
};
+struct ustcomm_trace_info {
+ char *trace;
+ char data[USTCOMM_DATA_SIZE];
+};
+
struct ustcomm_channel_info {
char *channel;
unsigned int subbuf_size;
@@ -172,6 +177,12 @@ extern char * ustcomm_restore_ptr(char *ptr, char
*data_field,
(size_t) (long)(struct_ptr)->data - (long)(struct_ptr) + (offset)
/* Packing and unpacking functions, making life easier */
+extern int ustcomm_pack_trace_info(struct ustcomm_header *header,
+ struct ustcomm_trace_info *trace_inf,
+ const char *trace);
+
+extern int ustcomm_unpack_trace_info(struct ustcomm_trace_info *trace_inf);
+
extern int ustcomm_pack_channel_info(struct ustcomm_header *header,
struct ustcomm_channel_info *ch_inf,
const char *channel);
--
1.7.1
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