X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Fltt%2Fevent.c;h=a5b046814027e30f74b3f9410518a85284cebdb0;hb=9ba3aaaf37afbed48801f7ac2223915b3237a5df;hp=b230fd30d7aa87ef9356cc14d954477ad167894e;hpb=e52d9126ec77e0922c287201538bb7da56bfc147;p=lttv.git diff --git a/ltt/branches/poly/ltt/event.c b/ltt/branches/poly/ltt/event.c index b230fd30..a5b04681 100644 --- a/ltt/branches/poly/ltt/event.c +++ b/ltt/branches/poly/ltt/event.c @@ -16,19 +16,24 @@ * MA 02111-1307, USA. */ +#ifdef HAVE_CONFIG_H +#include +#endif + #include #include #include +#include #include -#include +#include #include "parser.h" #include #include "ltt-private.h" #include #include - +#include LttEvent *ltt_event_new() { @@ -41,6 +46,8 @@ void ltt_event_destroy(LttEvent *event) } +#if 0 +/* Use get_field_type_size instead */ /***************************************************************************** *Function name * ltt_event_refresh_fields : refresh fields of an event @@ -49,12 +56,13 @@ void ltt_event_destroy(LttEvent *event) * offsetParent : offset from the parent * fld : field * evD : event data + * reverse_byte_order : 1 or 0 *Return value * int : size of the field ****************************************************************************/ int ltt_event_refresh_fields(int offsetRoot,int offsetParent, - LttField * fld, void *evD) + LttField * fld, void *evD, gboolean reverse_byte_order) { int size, size1, element_number, i, offset1, offset2; LttType * type = fld->field_type; @@ -66,14 +74,14 @@ int ltt_event_refresh_fields(int offsetRoot,int offsetParent, size = 0; for(i=0;ichild[0], evD+size); + fld->child[0], evD+size, reverse_byte_order); } }else size = fld->field_size; break; case LTT_SEQUENCE: size1 = fld->sequ_number_size; - element_number = getIntNumber(size1,evD); + element_number = getIntNumber(reverse_byte_order,size1,evD); type->element_number = element_number; if(fld->element_size > 0){ size = element_number * fld->element_size; @@ -81,14 +89,14 @@ int ltt_event_refresh_fields(int offsetRoot,int offsetParent, size = 0; for(i=0;ichild[0], evD+size+size1); + fld->child[0], evD+size+size1, reverse_byte_order); } size += size1; } break; case LTT_STRING: - size = strlen((char*)evD) + 1; //include end : '\0' + size = strlen((gchar*)evD) + 1; //include end : '\0' break; case LTT_STRUCT: @@ -98,7 +106,7 @@ int ltt_event_refresh_fields(int offsetRoot,int offsetParent, offset2 = 0; for(i=0;ichild[i],evD+offset2); + fld->child[i],evD+offset2, reverse_byte_order); offset1 += size; offset2 += size; } @@ -166,6 +174,8 @@ int ltt_event_refresh_fields(int offsetRoot,int offsetParent, return size; } +#endif //0 + /***************************************************************************** *Function name @@ -177,7 +187,7 @@ int ltt_event_refresh_fields(int offsetRoot,int offsetParent, * unsigned : event type id ****************************************************************************/ -unsigned ltt_event_eventtype_id(LttEvent *e) +unsigned ltt_event_eventtype_id(const LttEvent *e) { return (unsigned) e->event_id; } @@ -191,11 +201,29 @@ unsigned ltt_event_eventtype_id(LttEvent *e) * LttFacility * : the facility of the event ****************************************************************************/ -LttFacility *ltt_event_facility(LttEvent *e) +LttFacility *ltt_event_facility(const LttEvent *e) { LttTrace * trace = e->tracefile->trace; - unsigned id = e->event_id; - return ltt_trace_facility_by_id(trace,id); + unsigned id = e->facility_id; + LttFacility *facility = ltt_trace_facility_by_id(trace,id); + + g_assert(facility->exists); + + return facility; +} + +/***************************************************************************** + *Function name + * ltt_event_facility_id : get the facility id of the event + *Input params + * e : an instance of an event type + *Return value + * unsigned : the facility of the event + ****************************************************************************/ + +unsigned ltt_event_facility_id(const LttEvent *e) +{ + return e->facility_id; } /***************************************************************************** @@ -207,11 +235,11 @@ LttFacility *ltt_event_facility(LttEvent *e) * LttEventType * : the event type of the event ****************************************************************************/ -LttEventType *ltt_event_eventtype(LttEvent *e) +LttEventType *ltt_event_eventtype(const LttEvent *e) { LttFacility* facility = ltt_event_facility(e); if(!facility) return NULL; - return facility->events[e->event_id - facility->base_id]; + return &g_array_index(facility->events, LttEventType, e->event_id); } /***************************************************************************** @@ -227,22 +255,13 @@ LttField *ltt_event_field(LttEvent *e) { LttField * field; LttEventType * event_type = ltt_event_eventtype(e); - if(!event_type) return NULL; + if(unlikely(!event_type)) return NULL; field = event_type->root_field; - if(!field) return NULL; - - //check if the field need refresh - if(e->which_block != event_type->latest_block || - e->which_event != event_type->latest_event){ - - event_type->latest_block = e->which_block; - event_type->latest_event = e->which_event; - - if(field->field_fixed == 1)return field; + if(unlikely(!field)) return NULL; - //refresh the field - ltt_event_refresh_fields(0, 0, field, e->data); - } + get_field_type_size(e->tracefile, event_type, 0, 0, + field, e->data); + return field; } @@ -255,7 +274,7 @@ LttField *ltt_event_field(LttEvent *e) * LttTime : the time of the event ****************************************************************************/ -LttTime ltt_event_time(LttEvent *e) +LttTime ltt_event_time(const LttEvent *e) { return e->event_time; } @@ -269,83 +288,56 @@ LttTime ltt_event_time(LttEvent *e) * LttCycleCount : the cycle count of the event ****************************************************************************/ -LttCycleCount ltt_event_cycle_count(LttEvent *e) +LttCycleCount ltt_event_cycle_count(const LttEvent *e) { - return e->event_cycle_count; + return e->tsc; } + + /***************************************************************************** *Function name - * ltt_event_position : get the event's position + * ltt_event_position_get : get the event position data *Input params * e : an instance of an event type * ep : a pointer to event's position structure + * tf : tracefile pointer + * block : current block + * offset : current offset + * tsc : current tsc ****************************************************************************/ - -void ltt_event_position(LttEvent *e, LttEventPosition *ep) +void ltt_event_position_get(LttEventPosition *ep, LttTracefile **tf, + guint *block, guint *offset, guint64 *tsc) { - ep->block_num = e->which_block; - ep->event_num = e->which_event; - ep->event_time = e->event_time; - ep->event_cycle_count = e->event_cycle_count; - ep->heart_beat_number = e->tracefile->cur_heart_beat_number; - ep->old_position = TRUE; - ep->event_offset = e->data - e->tracefile->buffer - EVENT_HEADER_SIZE ; - ep->tf = e->tracefile; - - /* This is a workaround for fast position seek */ - ep->last_event_pos = e->last_event_pos; - ep->prev_block_end_time = e->prev_block_end_time; - ep->prev_event_time = e->prev_event_time; - ep->pre_cycle_count = e->pre_cycle_count; - ep->count = e->count; - /* end of workaround */ + *tf = ep->tracefile; + *block = ep->block; + *offset = ep->offset; + *tsc = ep->tsc; } -LttEventPosition * ltt_event_position_new() -{ - return g_new(LttEventPosition, 1); -} /***************************************************************************** *Function name - * ltt_event_position_get : get the block number and index of the event + * ltt_event_position : get the event's position *Input params - * ep : a pointer to event's position structure - * block_number : the block number of the event - * index_in_block : the index of the event within the block + * e : an instance of an event type + * ep : a pointer to event's position structure ****************************************************************************/ -void ltt_event_position_get(LttEventPosition *ep, - unsigned *block_number, unsigned *index_in_block, LttTracefile ** tf) +void ltt_event_position(LttEvent *e, LttEventPosition *ep) { - *block_number = ep->block_num; - *index_in_block = ep->event_num; - *tf = ep->tf; + ep->tracefile = e->tracefile; + ep->block = e->block; + ep->offset = e->offset; + ep->tsc = e->tsc; } -/***************************************************************************** - *Function name - * ltt_event_position_set : set the block number and index of the event - * It does put the old_position gboolean to FALSE, as it is impossible - * to know the quick position to seek in the tracefile. - *Input params - * ep : a pointer to event's position structure - * block_number : the block number of the event - * index_in_block : the index of the event within the block - ****************************************************************************/ - -void ltt_event_position_set(LttEventPosition *ep, - unsigned block_number, unsigned index_in_block) +LttEventPosition * ltt_event_position_new() { - if(ep->block_num != block_number || ep->event_num != index_in_block) - ep->old_position = FALSE; - - ep->block_num = block_number; - ep->event_num = index_in_block; - + return g_new(LttEventPosition, 1); } + /***************************************************************************** * Function name * ltt_event_position_compare : compare two positions @@ -363,58 +355,23 @@ void ltt_event_position_set(LttEventPosition *ep, gint ltt_event_position_compare(const LttEventPosition *ep1, const LttEventPosition *ep2) { - if(ep1->tf != ep2->tf) - g_error("ltt_event_position_compare on different tracefiles makes no sense"); if(ep1 == NULL && ep2 == NULL) return 0; if(ep1 != NULL && ep2 == NULL) return -1; if(ep1 == NULL && ep2 != NULL) return 1; - - if(ep1->block_num < ep2->block_num) - return -1; - if(ep1->block_num > ep2->block_num) - return 1; - if(ep1->event_num < ep2->event_num) - return -1; - if(ep1->event_num > ep2->event_num) - return 1; - return 0; -} - -/***************************************************************************** - * Function name - * ltt_event_event_position_compare : compare two positions, one in event, - * other in position opaque structure. - * Input params - * event : a pointer to event structure - * ep : a pointer to event's position structure - * Return - * -1 is event < ep - * 1 if event > ep - * 0 if event == ep - ****************************************************************************/ -gint ltt_event_event_position_compare(const LttEvent *event, - const LttEventPosition *ep) -{ - if(event == NULL && ep == NULL) - return 0; - if(event != NULL && ep == NULL) - return -1; - if(event == NULL && ep != NULL) - return 1; - - g_assert(event->tracefile == ep->tf); - - if(event->which_block < ep->block_num) + if(ep1->tracefile != ep2->tracefile) + g_error("ltt_event_position_compare on different tracefiles makes no sense"); + + if(ep1->block < ep2->block) return -1; - if(event->which_block > ep->block_num) + if(ep1->block > ep2->block) return 1; - if(event->which_event < ep->event_num) + if(ep1->offset < ep2->offset) return -1; - if(event->which_event > ep->event_num) + if(ep1->offset > ep2->offset) return 1; return 0; } @@ -438,6 +395,12 @@ void ltt_event_position_copy(LttEventPosition *dest, } + +LttTracefile *ltt_event_position_tracefile(LttEventPosition *ep) +{ + return ep->tracefile; +} + /***************************************************************************** *Function name * ltt_event_cpu_i: get the cpu id where the event happens @@ -448,23 +411,8 @@ void ltt_event_position_copy(LttEventPosition *dest, ****************************************************************************/ unsigned ltt_event_cpu_id(LttEvent *e) -{ - char * c1, * c2, * c3; - c1 = strrchr(e->tracefile->name,'\\'); - c2 = strrchr(e->tracefile->name,'/'); - if(c1 == NULL && c2 == NULL){ - return (unsigned)atoi(e->tracefile->name); - }else if(c1 == NULL){ - c2++; - return (unsigned)atoi(c2); - }else if(c2 == NULL){ - c1++; - return (unsigned)atoi(c1); - }else{ - c3 = (c1 > c2) ? c1 : c2; - c3++; - return (unsigned)atoi(c3); - } +{ + return e->tracefile->cpu_num; } /***************************************************************************** @@ -493,8 +441,7 @@ void *ltt_event_data(LttEvent *e) *Return value * unsigned : the number of elements for an array/sequence field ****************************************************************************/ - -unsigned ltt_event_field_element_number(LttEvent *e, LttField *f) +guint64 ltt_event_field_element_number(LttEvent *e, LttField *f) { if(f->field_type->type_class != LTT_ARRAY && f->field_type->type_class != LTT_SEQUENCE) @@ -502,7 +449,8 @@ unsigned ltt_event_field_element_number(LttEvent *e, LttField *f) if(f->field_type->type_class == LTT_ARRAY) return f->field_type->element_number; - return (unsigned) getIntNumber(f->sequ_number_size, e + f->offset_root); + return ltt_get_uint(LTT_GET_BO(e->tracefile), f->sequ_number_size, + e + f->offset_root); } /***************************************************************************** @@ -510,173 +458,155 @@ unsigned ltt_event_field_element_number(LttEvent *e, LttField *f) * ltt_event_field_element_select * : Set the currently selected element for a sequence or * array field + * O(1) if fields are of fixed size, else O(n) if fields are + * of variable size. *Input params * e : an instance of an event type * f : a field of the instance - * i : the ith element + * i : the ith element (0, ...) ****************************************************************************/ - void ltt_event_field_element_select(LttEvent *e, LttField *f, unsigned i) { unsigned element_number; - LttField *fld; + LttField *field; unsigned int k; - int size; - void *evD; + size_t size; + LttEventType *event_type; if(f->field_type->type_class != LTT_ARRAY && f->field_type->type_class != LTT_SEQUENCE) return ; element_number = ltt_event_field_element_number(e,f); - /* Sanity check for i : 1..n only, and must be lower or equal element_number + event_type = ltt_event_eventtype(e); + /* Sanity check for i : 0..n-1 only, and must be lower or equal element_number */ - if(element_number < i || i == 0) return; + if(i >= element_number) return; + + field = f->child[0]; - fld = f->child[0]; + if(f->field_type->type_class == LTT_SEQUENCE) + size = f->sequ_number_size; + else + size = 0; - evD = e->data + f->offset_root; - size = 0; - for(k=0;koffset_root+size,size, fld, evD+size); + if(field->fixed_size == FIELD_FIXED) { + size += field->field_size * i; + + get_field_type_size(e->tracefile, event_type, + f->offset_root+size, size, field, e->data); + + } else { + for(k=0;k<=i;k++){ + size += get_field_type_size(e->tracefile, event_type, + f->offset_root+size, size, field, e->data); + } } - f->current_element = i - 1; + f->current_element = i; } /***************************************************************************** * These functions extract data from an event after architecture specific * conversions ****************************************************************************/ - -unsigned ltt_event_get_unsigned(LttEvent *e, LttField *f) +guint32 ltt_event_get_unsigned(LttEvent *e, LttField *f) { - int revFlag = e->tracefile->trace->my_arch_endian == - e->tracefile->trace->system_description->endian ? 0:1; + gboolean reverse_byte_order = LTT_GET_BO(e->tracefile); + LttTypeEnum t = f->field_type->type_class; g_assert(t == LTT_UINT || t == LTT_ENUM); if(f->field_size == 1){ guint8 x = *(guint8 *)(e->data + f->offset_root); - return (unsigned int) x; + return (guint32) x; }else if(f->field_size == 2){ - guint16 x = *(guint16 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (unsigned int) (revFlag ? GUINT16_FROM_BE(x): x); - else - return (unsigned int) (revFlag ? GUINT16_FROM_LE(x): x); + return (guint32)ltt_get_uint16(reverse_byte_order, e->data + f->offset_root); }else if(f->field_size == 4){ - guint32 x = *(guint32 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (unsigned int) (revFlag ? GUINT32_FROM_BE(x): x); - else - return (unsigned int) (revFlag ? GUINT32_FROM_LE(x): x); - }else if(f->field_size == 8){ + return (guint32)ltt_get_uint32(reverse_byte_order, e->data + f->offset_root); + } +#if 0 + else if(f->field_size == 8){ guint64 x = *(guint64 *)(e->data + f->offset_root); if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) return (unsigned int) (revFlag ? GUINT64_FROM_BE(x): x); else return (unsigned int) (revFlag ? GUINT64_FROM_LE(x): x); } +#endif //0 g_critical("ltt_event_get_unsigned : field size %i unknown", f->field_size); return 0; } -int ltt_event_get_int(LttEvent *e, LttField *f) +gint32 ltt_event_get_int(LttEvent *e, LttField *f) { - int revFlag = e->tracefile->trace->my_arch_endian == - e->tracefile->trace->system_description->endian ? 0:1; + gboolean reverse_byte_order = LTT_GET_BO(e->tracefile); g_assert(f->field_type->type_class == LTT_INT); if(f->field_size == 1){ gint8 x = *(gint8 *)(e->data + f->offset_root); - return (int) x; + return (gint32) x; }else if(f->field_size == 2){ - gint16 x = *(gint16 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (int) (revFlag ? GINT16_FROM_BE(x): x); - else - return (int) (revFlag ? GINT16_FROM_LE(x): x); + return (gint32)ltt_get_int16(reverse_byte_order, e->data + f->offset_root); }else if(f->field_size == 4){ - gint32 x = *(gint32 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (int) (revFlag ? GINT32_FROM_BE(x): x); - else - return (int) (revFlag ? GINT32_FROM_LE(x): x); - }else if(f->field_size == 8){ + return (gint32)ltt_get_int32(reverse_byte_order, e->data + f->offset_root); + } +#if 0 + else if(f->field_size == 8){ gint64 x = *(gint64 *)(e->data + f->offset_root); if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) return (int) (revFlag ? GINT64_FROM_BE(x): x); else return (int) (revFlag ? GINT64_FROM_LE(x): x); } +#endif //0 g_critical("ltt_event_get_int : field size %i unknown", f->field_size); return 0; } -unsigned long ltt_event_get_long_unsigned(LttEvent *e, LttField *f) +guint64 ltt_event_get_long_unsigned(LttEvent *e, LttField *f) { - int revFlag = e->tracefile->trace->my_arch_endian == - e->tracefile->trace->system_description->endian ? 0:1; + gboolean reverse_byte_order = LTT_GET_BO(e->tracefile); + LttTypeEnum t = f->field_type->type_class; - g_assert(t == LTT_UINT || t == LTT_ENUM); + g_assert(t == LTT_UINT || t == LTT_ENUM + || t == LTT_ULONG || LTT_SIZE_T || LTT_OFF_T || LTT_POINTER); if(f->field_size == 1){ guint8 x = *(guint8 *)(e->data + f->offset_root); - return (unsigned long) x; + return (guint64) x; }else if(f->field_size == 2){ - guint16 x = *(guint16 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (unsigned long) (revFlag ? GUINT16_FROM_BE(x): x); - else - return (unsigned long) (revFlag ? GUINT16_FROM_LE(x): x); + return (guint64)ltt_get_uint16(reverse_byte_order, e->data + f->offset_root); }else if(f->field_size == 4){ - guint32 x = *(guint32 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (unsigned long) (revFlag ? GUINT32_FROM_BE(x): x); - else - return (unsigned long) (revFlag ? GUINT32_FROM_LE(x): x); + return (guint64)ltt_get_uint32(reverse_byte_order, e->data + f->offset_root); }else if(f->field_size == 8){ - guint64 x = *(guint64 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (unsigned long) (revFlag ? GUINT64_FROM_BE(x): x); - else - return (unsigned long) (revFlag ? GUINT64_FROM_LE(x): x); + return ltt_get_uint64(reverse_byte_order, e->data + f->offset_root); } g_critical("ltt_event_get_long_unsigned : field size %i unknown", f->field_size); return 0; } -long int ltt_event_get_long_int(LttEvent *e, LttField *f) +gint64 ltt_event_get_long_int(LttEvent *e, LttField *f) { - int revFlag = e->tracefile->trace->my_arch_endian == - e->tracefile->trace->system_description->endian ? 0:1; + //int revFlag = e->tracefile->trace->my_arch_endian == + // e->tracefile->trace->system_description->endian ? 0:1; + gboolean reverse_byte_order = LTT_GET_BO(e->tracefile); - g_assert( f->field_type->type_class == LTT_INT); + g_assert( f->field_type->type_class == LTT_INT + || f->field_type->type_class == LTT_LONG + || f->field_type->type_class == LTT_SSIZE_T); if(f->field_size == 1){ gint8 x = *(gint8 *)(e->data + f->offset_root); - return (long) x; + return (gint64) x; }else if(f->field_size == 2){ - gint16 x = *(gint16 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (long) (revFlag ? GINT16_FROM_BE(x): x); - else - return (long) (revFlag ? GINT16_FROM_LE(x): x); + return (gint64)ltt_get_int16(reverse_byte_order, e->data + f->offset_root); }else if(f->field_size == 4){ - gint32 x = *(gint32 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (long) (revFlag ? GINT32_FROM_BE(x): x); - else - return (long) (revFlag ? GINT32_FROM_LE(x): x); + return (gint64)ltt_get_int32(reverse_byte_order, e->data + f->offset_root); }else if(f->field_size == 8){ - gint64 x = *(gint64 *)(e->data + f->offset_root); - if(e->tracefile->trace->my_arch_endian == LTT_LITTLE_ENDIAN) - return (long) (revFlag ? GINT64_FROM_BE(x): x); - else - return (long) (revFlag ? GINT64_FROM_LE(x): x); + return ltt_get_int64(reverse_byte_order, e->data + f->offset_root); } g_critical("ltt_event_get_long_int : field size %i unknown", f->field_size); return 0; @@ -684,33 +614,31 @@ long int ltt_event_get_long_int(LttEvent *e, LttField *f) float ltt_event_get_float(LttEvent *e, LttField *f) { - int revFlag = e->tracefile->trace->my_arch_endian == - e->tracefile->trace->system_description->endian ? 0:1; + g_assert(LTT_HAS_FLOAT(e->tracefile)); + gboolean reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile); g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 4); - if(revFlag == 0) return *(float *)(e->data + f->offset_root); + if(reverse_byte_order == 0) return *(float *)(e->data + f->offset_root); else{ - guint32 aInt; - memcpy((void*)&aInt, e->data + f->offset_root, 4); - aInt = ___swab32(aInt); - return ((float)aInt); + void *ptr = e->data + f->offset_root; + guint32 value = bswap_32(*(guint32*)ptr); + return *(float*)&value; } } double ltt_event_get_double(LttEvent *e, LttField *f) { - int revFlag = e->tracefile->trace->my_arch_endian == - e->tracefile->trace->system_description->endian ? 0:1; + g_assert(LTT_HAS_FLOAT(e->tracefile)); + gboolean reverse_byte_order = LTT_GET_FLOAT_BO(e->tracefile); g_assert(f->field_type->type_class == LTT_FLOAT && f->field_size == 8); - if(revFlag == 0) return *(double *)(e->data + f->offset_root); - else{ - guint64 aInt; - memcpy((void*)&aInt, e->data + f->offset_root, 8); - aInt = ___swab64(aInt); - return ((double)aInt); + if(reverse_byte_order == 0) return *(double *)(e->data + f->offset_root); + else { + void *ptr = e->data + f->offset_root; + guint64 value = bswap_64(*(guint64*)ptr); + return *(double*)&value; } } @@ -718,10 +646,141 @@ double ltt_event_get_double(LttEvent *e, LttField *f) * The string obtained is only valid until the next read from * the same tracefile. ****************************************************************************/ - char *ltt_event_get_string(LttEvent *e, LttField *f) { g_assert(f->field_type->type_class == LTT_STRING); - return (char*)g_strdup((char*)(e->data + f->offset_root)); + return (gchar*)g_strdup((gchar*)(e->data + f->offset_root)); } + + +/***************************************************************************** + *Function name + * get_field_type_size : set the fixed and dynamic sizes of the field type + * from the data read. + *Input params + * tf : tracefile + * event_type : event type + * offset_root : offset from the root + * offset_parent : offset from the parent + * field : field + * data : a pointer to the event data. + *Returns the field type size. + ****************************************************************************/ +size_t get_field_type_size(LttTracefile *tf, LttEventType *event_type, + off_t offset_root, off_t offset_parent, + LttField *field, void *data) +{ + size_t size = 0; + guint i; + LttType *type; + + g_assert(field->fixed_root != FIELD_UNKNOWN); + g_assert(field->fixed_parent != FIELD_UNKNOWN); + g_assert(field->fixed_size != FIELD_UNKNOWN); + + field->offset_root = offset_root; + field->offset_parent = offset_parent; + + type = field->field_type; + + switch(type->type_class) { + case LTT_INT: + case LTT_UINT: + case LTT_FLOAT: + case LTT_ENUM: + case LTT_POINTER: + case LTT_LONG: + case LTT_ULONG: + case LTT_SIZE_T: + case LTT_SSIZE_T: + case LTT_OFF_T: + g_assert(field->fixed_size == FIELD_FIXED); + size = field->field_size; + break; + case LTT_SEQUENCE: + { + gint seqnum = ltt_get_uint(LTT_GET_BO(tf), + field->sequ_number_size, + data + offset_root); + + if(field->child[0]->fixed_size == FIELD_FIXED) { + size = field->sequ_number_size + + (seqnum * get_field_type_size(tf, event_type, + offset_root, offset_parent, + field->child[0], data)); + } else { + size += field->sequ_number_size; + for(i=0;ichild[0], data); + offset_root += child_size; + offset_parent += child_size; + size += child_size; + } + } + field->field_size = size; + } + break; + case LTT_STRING: + size = strlen((char*)(data+offset_root)) + 1;// length + \0 + field->field_size = size; + break; + case LTT_ARRAY: + if(field->fixed_size == FIELD_FIXED) + size = field->field_size; + else { + for(i=0;ifield_type->element_number;i++) { + size_t child_size; + child_size = get_field_type_size(tf, event_type, + offset_root, offset_parent, + field->child[0], data); + offset_root += child_size; + offset_parent += child_size; + size += child_size; + } + field->field_size = size; + } + break; + case LTT_STRUCT: + if(field->fixed_size == FIELD_FIXED) + size = field->field_size; + else { + size_t current_root_offset = offset_root; + size_t current_offset = 0; + size_t child_size = 0; + for(i=0;ielement_number;i++) { + child_size = get_field_type_size(tf, + event_type, current_root_offset, current_offset, + field->child[i], data); + current_offset += child_size; + current_root_offset += child_size; + + } + size = current_offset; + field->field_size = size; + } + break; + case LTT_UNION: + if(field->fixed_size == FIELD_FIXED) + size = field->field_size; + else { + size_t current_root_offset = field->offset_root; + size_t current_offset = 0; + for(i=0;ielement_number;i++) { + size = get_field_type_size(tf, event_type, + current_root_offset, current_offset, + field->child[i], data); + size = max(size, field->child[i]->field_size); + } + field->field_size = size; + } + break; + } + + return size; +} + +