Class: Winevt::EventLog::Query
- Inherits:
-
Object
- Object
- Winevt::EventLog::Query
- Defined in:
- lib/winevt/query.rb,
ext/winevt/winevt.c,
ext/winevt/winevt_query.c
Defined Under Namespace
Classes: Error
Instance Method Summary collapse
- #each ⇒ Object
- #each_raw ⇒ Object
- #initialize(channel, xpath) ⇒ Object constructor
- #message ⇒ Object
- #next ⇒ Object
- #offset(offset) ⇒ Object
- #offset=(offset) ⇒ Object
- #render ⇒ Object
- #seek(bookmark_or_flag) ⇒ Object
- #string_inserts ⇒ Object
- #timeout(timeout) ⇒ Object
- #timeout=(timeout) ⇒ Object
Constructor Details
#initialize(channel, xpath) ⇒ Object
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# File 'ext/winevt/winevt_query.c', line 37
static VALUE
rb_winevt_query_initialize(VALUE self, VALUE channel, VALUE xpath)
{
PWSTR evtChannel, evtXPath;
struct WinevtQuery *winevtQuery;
DWORD len;
VALUE wchannelBuf, wpathBuf;
Check_Type(channel, T_STRING);
Check_Type(xpath, T_STRING);
// channel : To wide char
len = MultiByteToWideChar(CP_UTF8, 0, RSTRING_PTR(channel), RSTRING_LEN(channel), NULL, 0);
evtChannel = ALLOCV_N(WCHAR, wchannelBuf, len+1);
MultiByteToWideChar(CP_UTF8, 0, RSTRING_PTR(channel), RSTRING_LEN(channel), evtChannel, len);
evtChannel[len] = L'\0';
// xpath : To wide char
len = MultiByteToWideChar(CP_UTF8, 0, RSTRING_PTR(xpath), RSTRING_LEN(xpath), NULL, 0);
evtXPath = ALLOCV_N(WCHAR, wpathBuf, len+1);
MultiByteToWideChar(CP_UTF8, 0, RSTRING_PTR(xpath), RSTRING_LEN(xpath), evtXPath, len);
evtXPath[len] = L'\0';
TypedData_Get_Struct(self, struct WinevtQuery, &rb_winevt_query_type, winevtQuery);
winevtQuery->query = EvtQuery(NULL, evtChannel, evtXPath,
EvtQueryChannelPath | EvtQueryTolerateQueryErrors);
winevtQuery->offset = 0L;
winevtQuery->timeout = 0L;
ALLOCV_END(wchannelBuf);
ALLOCV_END(wpathBuf);
return Qnil;
}
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Instance Method Details
#each ⇒ Object
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# File 'ext/winevt/winevt_query.c', line 223 def each each_raw do |xml, , string_inserts| = .gsub(/(%\d+)/, '\1$s') = sprintf(, *string_inserts) rescue .gsub(/(%\d+)/, "?") yield(xml, , string_inserts) end end |
#each_raw ⇒ Object
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# File 'lib/winevt/query.rb', line 4 alias_method :each_raw, :each |
#message ⇒ Object
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# File 'ext/winevt/winevt_query.c', line 150
static VALUE
rb_winevt_query_message(VALUE self)
{
char* result;
struct WinevtQuery *winevtQuery;
TypedData_Get_Struct(self, struct WinevtQuery, &rb_winevt_query_type, winevtQuery);
result = get_description(winevtQuery->event);
return rb_utf8_str_new_cstr(result);
}
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#next ⇒ Object
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# File 'ext/winevt/winevt_query.c', line 117
static VALUE
rb_winevt_query_next(VALUE self)
{
EVT_HANDLE event;
ULONG count;
struct WinevtQuery *winevtQuery;
TypedData_Get_Struct(self, struct WinevtQuery, &rb_winevt_query_type, winevtQuery);
if (EvtNext(winevtQuery->query, 1, &event, INFINITE, 0, &count) != FALSE) {
winevtQuery->event = event;
winevtQuery->count = count;
return Qtrue;
}
return Qfalse;
}
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#offset(offset) ⇒ Object
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# File 'ext/winevt/winevt_query.c', line 73
static VALUE
rb_winevt_query_get_offset(VALUE self, VALUE offset)
{
struct WinevtQuery *winevtQuery;
TypedData_Get_Struct(self, struct WinevtQuery, &rb_winevt_query_type, winevtQuery);
return LONG2NUM(winevtQuery->offset);
}
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#offset=(offset) ⇒ Object
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# File 'ext/winevt/winevt_query.c', line 83
static VALUE
rb_winevt_query_set_offset(VALUE self, VALUE offset)
{
struct WinevtQuery *winevtQuery;
TypedData_Get_Struct(self, struct WinevtQuery, &rb_winevt_query_type, winevtQuery);
winevtQuery->offset = NUM2LONG(offset);
return Qnil;
}
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#render ⇒ Object
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# File 'ext/winevt/winevt_query.c', line 137
static VALUE
rb_winevt_query_render(VALUE self)
{
char* result;
struct WinevtQuery *winevtQuery;
TypedData_Get_Struct(self, struct WinevtQuery, &rb_winevt_query_type, winevtQuery);
result = render_event(winevtQuery->event, EvtRenderEventXml);
get_description(winevtQuery->event);
return rb_utf8_str_new_cstr(result);
}
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#seek(bookmark_or_flag) ⇒ Object
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# File 'ext/winevt/winevt_query.c', line 188
static VALUE
rb_winevt_query_seek(VALUE self, VALUE bookmark_or_flag)
{
struct WinevtQuery *winevtQuery;
struct WinevtBookmark *winevtBookmark = NULL;
DWORD status;
DWORD flag;
switch (TYPE(bookmark_or_flag)) {
case T_SYMBOL:
flag = get_evt_seek_flag_from_cstr(RSTRING_PTR(rb_sym2str(bookmark_or_flag)));
break;
case T_STRING:
flag = get_evt_seek_flag_from_cstr(StringValueCStr(bookmark_or_flag));
break;
default:
if (!rb_obj_is_kind_of(bookmark_or_flag, rb_cBookmark))
rb_raise(rb_eArgError, "Expected a String or a Symbol or a Bookmark instance");
winevtBookmark = EventBookMark(bookmark_or_flag);
}
if (winevtBookmark) {
TypedData_Get_Struct(self, struct WinevtQuery, &rb_winevt_query_type, winevtQuery);
if (EvtSeek(winevtQuery->query, winevtQuery->offset, winevtBookmark->bookmark, winevtQuery->timeout, EvtSeekRelativeToBookmark))
return Qtrue;
} else {
TypedData_Get_Struct(self, struct WinevtQuery, &rb_winevt_query_type, winevtQuery);
if (EvtSeek(winevtQuery->query, winevtQuery->offset, NULL, winevtQuery->timeout, flag))
return Qtrue;
}
return Qfalse;
}
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#string_inserts ⇒ Object
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# File 'ext/winevt/winevt_query.c', line 162
static VALUE
rb_winevt_query_string_inserts(VALUE self)
{
struct WinevtQuery *winevtQuery;
TypedData_Get_Struct(self, struct WinevtQuery, &rb_winevt_query_type, winevtQuery);
return get_values(winevtQuery->event);
}
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#timeout(timeout) ⇒ Object
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# File 'ext/winevt/winevt_query.c', line 95
static VALUE
rb_winevt_query_get_timeout(VALUE self, VALUE timeout)
{
struct WinevtQuery *winevtQuery;
TypedData_Get_Struct(self, struct WinevtQuery, &rb_winevt_query_type, winevtQuery);
return LONG2NUM(winevtQuery->timeout);
}
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#timeout=(timeout) ⇒ Object
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# File 'ext/winevt/winevt_query.c', line 105
static VALUE
rb_winevt_query_set_timeout(VALUE self, VALUE timeout)
{
struct WinevtQuery *winevtQuery;
TypedData_Get_Struct(self, struct WinevtQuery, &rb_winevt_query_type, winevtQuery);
winevtQuery->timeout = NUM2LONG(timeout);
return Qnil;
}
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