aboutsummaryrefslogtreecommitdiff
path: root/src/fetch-file.c
blob: 4b8941bcbb29c6be21db7667cb2807ffd14483e6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
/* fetch-file.c generated by valac 0.9.8, the Vala compiler
 * generated from fetch-file.vala, do not modify */

/*
 * Copyright (C) 2010 Canonical, Ltd.
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License
 * version 3.0 as published by the Free Software Foundation.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3.0 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library. If not, see
 * <http://www.gnu.org/licenses/>.
 *
 * Authors
 * 			Gordon Allott <gord.allott@canonical.com>
 *			Conor Curran <conor.curran@canonical.com>
 */

#include <glib.h>
#include <glib-object.h>
#include <stdlib.h>
#include <string.h>
#include <gio/gio.h>


#define TYPE_FETCH_FILE (fetch_file_get_type ())
#define FETCH_FILE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_FETCH_FILE, FetchFile))
#define FETCH_FILE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_FETCH_FILE, FetchFileClass))
#define IS_FETCH_FILE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_FETCH_FILE))
#define IS_FETCH_FILE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_FETCH_FILE))
#define FETCH_FILE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_FETCH_FILE, FetchFileClass))

typedef struct _FetchFile FetchFile;
typedef struct _FetchFileClass FetchFileClass;
typedef struct _FetchFilePrivate FetchFilePrivate;
#define _g_free0(var) (var = (g_free (var), NULL))
#define _g_object_unref0(var) ((var == NULL) ? NULL : (var = (g_object_unref (var), NULL)))
#define _g_byte_array_free0(var) ((var == NULL) ? NULL : (var = (g_byte_array_free (var, TRUE), NULL)))
#define _g_error_free0(var) ((var == NULL) ? NULL : (var = (g_error_free (var), NULL)))
typedef struct _FetchFileFetchDataData FetchFileFetchDataData;
typedef struct _FetchFileReadSomethingAsyncData FetchFileReadSomethingAsyncData;

struct _FetchFile {
	GObject parent_instance;
	FetchFilePrivate * priv;
};

struct _FetchFileClass {
	GObjectClass parent_class;
};

struct _FetchFilePrivate {
	char* _uri;
	char* _intended_property;
	GDataInputStream* stream;
	GFile* file;
	GByteArray* data;
};

struct _FetchFileFetchDataData {
	int _state_;
	GAsyncResult* _res_;
	GSimpleAsyncResult* _async_result;
	FetchFile* self;
	GFileInputStream* _tmp0_;
	GFileInputStream* _tmp1_;
	GDataInputStream* _tmp2_;
	GError * e;
	GError * _inner_error_;
};

struct _FetchFileReadSomethingAsyncData {
	int _state_;
	GAsyncResult* _res_;
	GSimpleAsyncResult* _async_result;
	FetchFile* self;
	gssize size;
	guint8* buffer;
	gint buffer_length1;
	gint _buffer_size_;
	guint8* _tmp0_;
	gssize bufsize;
	gboolean _tmp1_;
	gssize _tmp2_;
	guint8* cpybuf;
	gint cpybuf_length1;
	gint _cpybuf_size_;
	guint8* _tmp3_;
	GError * e;
	GError * _inner_error_;
};


static gpointer fetch_file_parent_class = NULL;

GType fetch_file_get_type (void) G_GNUC_CONST;
#define FETCH_FILE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TYPE_FETCH_FILE, FetchFilePrivate))
enum  {
	FETCH_FILE_DUMMY_PROPERTY,
	FETCH_FILE_URI,
	FETCH_FILE_INTENDED_PROPERTY
};
FetchFile* fetch_file_new (const char* uri, const char* prop);
FetchFile* fetch_file_construct (GType object_type, const char* uri, const char* prop);
static void fetch_file_fetch_data_data_free (gpointer _data);
static void fetch_file_fetch_data_ready (GObject* source_object, GAsyncResult* _res_, gpointer _user_data_);
void fetch_file_fetch_data (FetchFile* self, GAsyncReadyCallback _callback_, gpointer _user_data_);
void fetch_file_fetch_data_finish (FetchFile* self, GAsyncResult* _res_);
static gboolean fetch_file_fetch_data_co (FetchFileFetchDataData* data);
static void fetch_file_read_something_async (FetchFile* self, GAsyncReadyCallback _callback_, gpointer _user_data_);
static void fetch_file_read_something_finish (FetchFile* self, GAsyncResult* _res_);
static void fetch_file_read_something_async_data_free (gpointer _data);
static void fetch_file_read_something_async_ready (GObject* source_object, GAsyncResult* _res_, gpointer _user_data_);
static gboolean fetch_file_read_something_async_co (FetchFileReadSomethingAsyncData* data);
const char* fetch_file_get_intended_property (FetchFile* self);
const char* fetch_file_get_uri (FetchFile* self);
static void fetch_file_set_uri (FetchFile* self, const char* value);
static void fetch_file_set_intended_property (FetchFile* self, const char* value);
static GObject * fetch_file_constructor (GType type, guint n_construct_properties, GObjectConstructParam * construct_properties);
static void fetch_file_finalize (GObject* obj);
static void fetch_file_get_property (GObject * object, guint property_id, GValue * value, GParamSpec * pspec);
static void fetch_file_set_property (GObject * object, guint property_id, const GValue * value, GParamSpec * pspec);


static void g_cclosure_user_marshal_VOID__POINTER_STRING (GClosure * closure, GValue * return_value, guint n_param_values, const GValue * param_values, gpointer invocation_hint, gpointer marshal_data);

FetchFile* fetch_file_construct (GType object_type, const char* uri, const char* prop) {
	FetchFile * self;
	g_return_val_if_fail (uri != NULL, NULL);
	g_return_val_if_fail (prop != NULL, NULL);
	self = (FetchFile*) g_object_new (object_type, "uri", uri, "intended-property", prop, NULL);
	return self;
}


FetchFile* fetch_file_new (const char* uri, const char* prop) {
	return fetch_file_construct (TYPE_FETCH_FILE, uri, prop);
}


static void fetch_file_fetch_data_data_free (gpointer _data) {
	FetchFileFetchDataData* data;
	data = _data;
	g_object_unref (data->self);
	g_slice_free (FetchFileFetchDataData, data);
}


void fetch_file_fetch_data (FetchFile* self, GAsyncReadyCallback _callback_, gpointer _user_data_) {
	FetchFileFetchDataData* _data_;
	_data_ = g_slice_new0 (FetchFileFetchDataData);
	_data_->_async_result = g_simple_async_result_new (G_OBJECT (self), _callback_, _user_data_, fetch_file_fetch_data);
	g_simple_async_result_set_op_res_gpointer (_data_->_async_result, _data_, fetch_file_fetch_data_data_free);
	_data_->self = g_object_ref (self);
	fetch_file_fetch_data_co (_data_);
}


void fetch_file_fetch_data_finish (FetchFile* self, GAsyncResult* _res_) {
	FetchFileFetchDataData* _data_;
	_data_ = g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (_res_));
}


static void fetch_file_fetch_data_ready (GObject* source_object, GAsyncResult* _res_, gpointer _user_data_) {
	FetchFileFetchDataData* data;
	data = _user_data_;
	data->_res_ = _res_;
	fetch_file_fetch_data_co (data);
}


static gboolean fetch_file_fetch_data_co (FetchFileFetchDataData* data) {
	switch (data->_state_) {
		case 0:
		goto _state_0;
		default:
		g_assert_not_reached ();
	}
	_state_0:
	{
		data->_tmp0_ = g_file_read (data->self->priv->file, NULL, &data->_inner_error_);
		if (data->_inner_error_ != NULL) {
			goto __catch15_g_error;
		}
		data->self->priv->stream = (data->_tmp2_ = g_data_input_stream_new ((GInputStream*) (data->_tmp1_ = data->_tmp0_)), _g_object_unref0 (data->self->priv->stream), data->_tmp2_);
		_g_object_unref0 (data->_tmp1_);
		g_data_input_stream_set_byte_order (data->self->priv->stream, G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN);
	}
	goto __finally15;
	__catch15_g_error:
	{
		data->e = data->_inner_error_;
		data->_inner_error_ = NULL;
		{
			g_signal_emit_by_name (data->self, "failed");
			_g_error_free0 (data->e);
		}
	}
	__finally15:
	if (data->_inner_error_ != NULL) {
		g_critical ("file %s: line %d: uncaught error: %s (%s, %d)", __FILE__, __LINE__, data->_inner_error_->message, g_quark_to_string (data->_inner_error_->domain), data->_inner_error_->code);
		g_clear_error (&data->_inner_error_);
		return FALSE;
	}
	fetch_file_read_something_async (data->self, NULL, NULL);
	{
		if (data->_state_ == 0) {
			g_simple_async_result_complete_in_idle (data->_async_result);
		} else {
			g_simple_async_result_complete (data->_async_result);
		}
		g_object_unref (data->_async_result);
		return FALSE;
	}
}


static void fetch_file_read_something_async_data_free (gpointer _data) {
	FetchFileReadSomethingAsyncData* data;
	data = _data;
	g_object_unref (data->self);
	g_slice_free (FetchFileReadSomethingAsyncData, data);
}


static void fetch_file_read_something_async (FetchFile* self, GAsyncReadyCallback _callback_, gpointer _user_data_) {
	FetchFileReadSomethingAsyncData* _data_;
	_data_ = g_slice_new0 (FetchFileReadSomethingAsyncData);
	_data_->_async_result = g_simple_async_result_new (G_OBJECT (self), _callback_, _user_data_, fetch_file_read_something_async);
	g_simple_async_result_set_op_res_gpointer (_data_->_async_result, _data_, fetch_file_read_something_async_data_free);
	_data_->self = g_object_ref (self);
	fetch_file_read_something_async_co (_data_);
}


static void fetch_file_read_something_finish (FetchFile* self, GAsyncResult* _res_) {
	FetchFileReadSomethingAsyncData* _data_;
	_data_ = g_simple_async_result_get_op_res_gpointer (G_SIMPLE_ASYNC_RESULT (_res_));
}


static void fetch_file_read_something_async_ready (GObject* source_object, GAsyncResult* _res_, gpointer _user_data_) {
	FetchFileReadSomethingAsyncData* data;
	data = _user_data_;
	data->_res_ = _res_;
	fetch_file_read_something_async_co (data);
}


static gboolean fetch_file_read_something_async_co (FetchFileReadSomethingAsyncData* data) {
	switch (data->_state_) {
		case 0:
		goto _state_0;
		default:
		g_assert_not_reached ();
		case 1:
		goto _state_1;
	}
	_state_0:
	data->size = (gssize) 1024;
	data->buffer = (data->_tmp0_ = g_new0 (guint8, data->size), data->buffer_length1 = data->size, data->_buffer_size_ = data->buffer_length1, data->_tmp0_);
	data->bufsize = (gssize) 1;
	{
		data->_tmp1_ = TRUE;
		while (TRUE) {
			if (!data->_tmp1_) {
				if (!(data->bufsize > 0)) {
					break;
				}
			}
			data->_tmp1_ = FALSE;
			{
				data->_state_ = 1;
				g_input_stream_read_async ((GInputStream*) data->self->priv->stream, data->buffer, (gsize) data->size, G_PRIORITY_DEFAULT, NULL, fetch_file_read_something_async_ready, data);
				return FALSE;
				_state_1:
				data->_tmp2_ = g_input_stream_read_finish ((GInputStream*) data->self->priv->stream, data->_res_, &data->_inner_error_);
				if (data->_inner_error_ != NULL) {
					goto __catch16_g_error;
				}
				data->bufsize = data->_tmp2_;
				if (data->bufsize < 1) {
					break;
				}
				if (data->bufsize != data->size) {
					data->cpybuf = (data->_tmp3_ = g_new0 (guint8, data->bufsize), data->cpybuf_length1 = data->bufsize, data->_cpybuf_size_ = data->cpybuf_length1, data->_tmp3_);
					memcpy (data->cpybuf, data->buffer, (gsize) data->bufsize);
					g_byte_array_append (data->self->priv->data, data->cpybuf, data->cpybuf_length1);
					data->cpybuf = (g_free (data->cpybuf), NULL);
				} else {
					g_byte_array_append (data->self->priv->data, data->buffer, data->buffer_length1);
				}
			}
			goto __finally16;
			__catch16_g_error:
			{
				data->e = data->_inner_error_;
				data->_inner_error_ = NULL;
				{
					g_signal_emit_by_name (data->self, "failed");
					_g_error_free0 (data->e);
				}
			}
			__finally16:
			if (data->_inner_error_ != NULL) {
				data->buffer = (g_free (data->buffer), NULL);
				g_critical ("file %s: line %d: uncaught error: %s (%s, %d)", __FILE__, __LINE__, data->_inner_error_->message, g_quark_to_string (data->_inner_error_->domain), data->_inner_error_->code);
				g_clear_error (&data->_inner_error_);
				return FALSE;
			}
		}
	}
	g_signal_emit_by_name (data->self, "completed", data->self->priv->data, data->self->priv->_intended_property);
	data->buffer = (g_free (data->buffer), NULL);
	{
		if (data->_state_ == 0) {
			g_simple_async_result_complete_in_idle (data->_async_result);
		} else {
			g_simple_async_result_complete (data->_async_result);
		}
		g_object_unref (data->_async_result);
		return FALSE;
	}
}


const char* fetch_file_get_uri (FetchFile* self) {
	const char* result;
	g_return_val_if_fail (self != NULL, NULL);
	result = self->priv->_uri;
	return result;
}


static void fetch_file_set_uri (FetchFile* self, const char* value) {
	char* _tmp0_;
	g_return_if_fail (self != NULL);
	self->priv->_uri = (_tmp0_ = g_strdup (value), _g_free0 (self->priv->_uri), _tmp0_);
	g_object_notify ((GObject *) self, "uri");
}


const char* fetch_file_get_intended_property (FetchFile* self) {
	const char* result;
	g_return_val_if_fail (self != NULL, NULL);
	result = self->priv->_intended_property;
	return result;
}


static void fetch_file_set_intended_property (FetchFile* self, const char* value) {
	char* _tmp0_;
	g_return_if_fail (self != NULL);
	self->priv->_intended_property = (_tmp0_ = g_strdup (value), _g_free0 (self->priv->_intended_property), _tmp0_);
	g_object_notify ((GObject *) self, "intended-property");
}


static GObject * fetch_file_constructor (GType type, guint n_construct_properties, GObjectConstructParam * construct_properties) {
	GObject * obj;
	GObjectClass * parent_class;
	FetchFile * self;
	parent_class = G_OBJECT_CLASS (fetch_file_parent_class);
	obj = parent_class->constructor (type, n_construct_properties, construct_properties);
	self = FETCH_FILE (obj);
	{
		GFile* _tmp0_;
		GByteArray* _tmp1_;
		self->priv->file = (_tmp0_ = g_file_new_for_uri (self->priv->_uri), _g_object_unref0 (self->priv->file), _tmp0_);
		self->priv->data = (_tmp1_ = g_byte_array_new (), _g_byte_array_free0 (self->priv->data), _tmp1_);
	}
	return obj;
}


static void fetch_file_class_init (FetchFileClass * klass) {
	fetch_file_parent_class = g_type_class_peek_parent (klass);
	g_type_class_add_private (klass, sizeof (FetchFilePrivate));
	G_OBJECT_CLASS (klass)->get_property = fetch_file_get_property;
	G_OBJECT_CLASS (klass)->set_property = fetch_file_set_property;
	G_OBJECT_CLASS (klass)->constructor = fetch_file_constructor;
	G_OBJECT_CLASS (klass)->finalize = fetch_file_finalize;
	g_object_class_install_property (G_OBJECT_CLASS (klass), FETCH_FILE_URI, g_param_spec_string ("uri", "uri", "uri", NULL, G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
	g_object_class_install_property (G_OBJECT_CLASS (klass), FETCH_FILE_INTENDED_PROPERTY, g_param_spec_string ("intended-property", "intended-property", "intended-property", NULL, G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB | G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY));
	g_signal_new ("failed", TYPE_FETCH_FILE, G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
	g_signal_new ("completed", TYPE_FETCH_FILE, G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_user_marshal_VOID__POINTER_STRING, G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_STRING);
}


static void fetch_file_instance_init (FetchFile * self) {
	self->priv = FETCH_FILE_GET_PRIVATE (self);
}


static void fetch_file_finalize (GObject* obj) {
	FetchFile * self;
	self = FETCH_FILE (obj);
	_g_free0 (self->priv->_uri);
	_g_free0 (self->priv->_intended_property);
	_g_object_unref0 (self->priv->stream);
	_g_object_unref0 (self->priv->file);
	_g_byte_array_free0 (self->priv->data);
	G_OBJECT_CLASS (fetch_file_parent_class)->finalize (obj);
}


GType fetch_file_get_type (void) {
	static volatile gsize fetch_file_type_id__volatile = 0;
	if (g_once_init_enter (&fetch_file_type_id__volatile)) {
		static const GTypeInfo g_define_type_info = { sizeof (FetchFileClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) fetch_file_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (FetchFile), 0, (GInstanceInitFunc) fetch_file_instance_init, NULL };
		GType fetch_file_type_id;
		fetch_file_type_id = g_type_register_static (G_TYPE_OBJECT, "FetchFile", &g_define_type_info, 0);
		g_once_init_leave (&fetch_file_type_id__volatile, fetch_file_type_id);
	}
	return fetch_file_type_id__volatile;
}


static void fetch_file_get_property (GObject * object, guint property_id, GValue * value, GParamSpec * pspec) {
	FetchFile * self;
	self = FETCH_FILE (object);
	switch (property_id) {
		case FETCH_FILE_URI:
		g_value_set_string (value, fetch_file_get_uri (self));
		break;
		case FETCH_FILE_INTENDED_PROPERTY:
		g_value_set_string (value, fetch_file_get_intended_property (self));
		break;
		default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
		break;
	}
}


static void fetch_file_set_property (GObject * object, guint property_id, const GValue * value, GParamSpec * pspec) {
	FetchFile * self;
	self = FETCH_FILE (object);
	switch (property_id) {
		case FETCH_FILE_URI:
		fetch_file_set_uri (self, g_value_get_string (value));
		break;
		case FETCH_FILE_INTENDED_PROPERTY:
		fetch_file_set_intended_property (self, g_value_get_string (value));
		break;
		default:
		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
		break;
	}
}



static void g_cclosure_user_marshal_VOID__POINTER_STRING (GClosure * closure, GValue * return_value, guint n_param_values, const GValue * param_values, gpointer invocation_hint, gpointer marshal_data) {
	typedef void (*GMarshalFunc_VOID__POINTER_STRING) (gpointer data1, gpointer arg_1, const char* arg_2, gpointer data2);
	register GMarshalFunc_VOID__POINTER_STRING callback;
	register GCClosure * cc;
	register gpointer data1, data2;
	cc = (GCClosure *) closure;
	g_return_if_fail (n_param_values == 3);
	if (G_CCLOSURE_SWAP_DATA (closure)) {
		data1 = closure->data;
		data2 = param_values->data[0].v_pointer;
	} else {
		data1 = param_values->data[0].v_pointer;
		data2 = closure->data;
	}
	callback = (GMarshalFunc_VOID__POINTER_STRING) (marshal_data ? marshal_data : cc->callback);
	callback (data1, g_value_get_pointer (param_values + 1), g_value_get_string (param_values + 2), data2);
}