* MA 02111-1307, USA.
*/
-/* The text filter facility will prompt for user filter option
- * and transmit them to the lttv core */
+/*
+ * The text filter facility will prompt for user filter option
+ * and transmit them to the lttv core
+ */
#include <lttv/lttv.h>
#include <lttv/option.h>
/* Insert the hooks before and after each trace and tracefile, and for each
event. Print a global header. */
-static char
+/*
+ * YET TO BE ANSWERED !
+ * - why does this module need dependency with batchAnalysis ?
+ */
+
+static char
*a_file_name = NULL,
+ *a_string = NULL;
+
+static GString
*a_filter_string = NULL;
+
static LttvHooks
*before_traceset,
*event_hook;
static FILE *a_file;
+
/**
- * analyses user filter options and issues the filter string
- * to the core
+ * filters the file input from user
* @param hook_data the hook data
- * @param call_data the call data
+ * @return success/failure of operation
*/
-static void parse_filter_options(void *hook_data, void *call_data) {
-
- char* parsed_string=NULL; /* the string compiled from user's input */
-
- /* debug */
- g_print("textFilter::parse_filter_options\n");
-
- /* recovering hooks data */
- LttvTracefileContext *tfc = (LttvTracefileContext *)call_data;
-
- LttvTracefileState *tfs = (LttvTracefileState *)call_data;
-
-// LttvTrace* lt = tfc->t_context->vt;
-
- /* hook header */
- g_info("TextFilter options parser");
-
- /*
+void filter_analyze_file(void *hook_data) {
+
+ g_print("textFilter::filter_analyze_file\n");
+
+ /*
* User may specify filtering options through static file
* and/or command line string. From these sources, an
* option string is rebuilded and sent to the filter core
*/
- if(a_file_name != NULL) { /* -f switch in use */
- a_file = fopen(a_file_name, "r");
- if(a_file == NULL)
- g_error("textFilter::parse_filter_content() cannot open file %s", a_file_name);
-
- fscanf(a_file,"%s",parsed_string);
-
- fclose(a_file);
- }
- if(a_filter_string != NULL) /* -s switch in use */
- parsed_string = a_filter_string;
-
- if(parsed_string==NULL)
- g_warning("textFilter::parser_filter_options() no filtering options specified !");
-
- /* send the filtering string to the core */
- lttv_filter_new(parsed_string,tfs);
-
+ a_file = fopen(a_file_name, "r");
+ if(a_file == NULL) {
+ g_warning("file %s does not exist", a_file_name);
+ return;
+ }
+
+ char* tmp;
+ fscanf(a_file,"%s",tmp);
+
+ if(!a_filter_string->len) {
+ g_string_append(a_filter_string,tmp);
+ }
+ else {
+ g_string_append(a_filter_string,"&"); /*conjonction between expression*/
+ g_string_append(a_filter_string,tmp);
+ }
+
+ fclose(a_file);
+}
+
+/**
+ * filters the string input from user
+ * @param hook_data the hook data
+ * @return success/failure of operation
+ */
+void filter_analyze_string(void *hook_data) {
+
+ g_print("textFilter::filter_analyze_string\n");
+
+ /*
+ * User may specify filtering options through static file
+ * and/or command line string. From these sources, an
+ * option string is rebuilded and sent to the filter core
+ */
+ if(!a_filter_string->len) {
+ g_string_append(a_filter_string,a_string);
+ lttv_filter_new(a_filter_string,NULL);
+ }
+ else {
+ g_string_append(a_filter_string,"&"); /*conjonction between expression*/
+ g_string_append(a_filter_string,a_string);
+ }
+
}
/**
*/
static void init() {
- g_print("textFilter::init()"); /* debug */
-
+ g_print("textFilter::init()\n"); /* debug */
+
+ a_filter_string = g_string_new("");
+
LttvAttributeValue value;
LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
g_info("Init textFilter.c");
- a_filter_string = NULL;
+ a_string = NULL;
lttv_option_add("string", 's',
"filters a string issued by the user on the command line",
"string",
- LTTV_OPT_STRING, &a_filter_string, NULL, NULL);
+ LTTV_OPT_STRING, &a_string, filter_analyze_string, NULL);
// add function to call for option
a_file_name = NULL;
lttv_option_add("filename", 'f',
"browse the filter options contained in specified file",
"file name",
- LTTV_OPT_STRING, &a_file_name, NULL, NULL);
+ LTTV_OPT_STRING, &a_file_name, filter_analyze_file, NULL);
/*
* Note to myself !
g_assert((event_hook = *(value.v_pointer)) != NULL);
lttv_hooks_add(event_hook, filter_event_content, NULL, LTTV_PRIO_DEFAULT);
- g_assert(lttv_iattribute_find_by_path(attributes,"hooks/trace/before",
- LTTV_POINTER, &value));
- g_assert((before_traceset = *(value.v_pointer)) != NULL);
- lttv_hooks_add(before_traceset, parse_filter_options, NULL, LTTV_PRIO_DEFAULT);
+// g_assert(lttv_iattribute_find_by_path(attributes,"hooks/trace/before",
+// LTTV_POINTER, &value));
+// g_assert((before_traceset = *(value.v_pointer)) != NULL);
+// lttv_hooks_add(before_traceset, parse_filter_options, NULL, LTTV_PRIO_DEFAULT);
}
lttv_hooks_remove_data(event_hook, filter_event_content, NULL);
- lttv_hooks_remove_data(before_traceset, parse_filter_options, NULL);
+// lttv_hooks_remove_data(before_traceset, parse_filter_options, NULL);
}
LTTV_MODULE("textFilter", "Filters traces", \
"Filter the trace following commands issued by user input", \
- init, destroy, "option")
+ init, destroy, "batchAnalysis", "option")
projects / lttv.git / blobdiff