xserver

xserver with xephyr scale patch
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protocol-xiquerydevice.c (11792B)


      1 /**
      2  * Copyright © 2009 Red Hat, Inc.
      3  *
      4  *  Permission is hereby granted, free of charge, to any person obtaining a
      5  *  copy of this software and associated documentation files (the "Software"),
      6  *  to deal in the Software without restriction, including without limitation
      7  *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  *  and/or sell copies of the Software, and to permit persons to whom the
      9  *  Software is furnished to do so, subject to the following conditions:
     10  *
     11  *  The above copyright notice and this permission notice (including the next
     12  *  paragraph) shall be included in all copies or substantial portions of the
     13  *  Software.
     14  *
     15  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18  *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     20  *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     21  *  DEALINGS IN THE SOFTWARE.
     22  */
     23 
     24 /* Test relies on assert() */
     25 #undef NDEBUG
     26 
     27 #ifdef HAVE_DIX_CONFIG_H
     28 #include <dix-config.h>
     29 #endif
     30 
     31 #include <stdint.h>
     32 #include <X11/X.h>
     33 #include <X11/Xproto.h>
     34 #include <X11/extensions/XI2proto.h>
     35 #include <X11/Xatom.h>
     36 #include "inputstr.h"
     37 #include "extinit.h"
     38 #include "exglobals.h"
     39 #include "scrnintstr.h"
     40 #include "xkbsrv.h"
     41 
     42 #include "xiquerydevice.h"
     43 
     44 #include "protocol-common.h"
     45 /*
     46  * Protocol testing for XIQueryDevice request and reply.
     47  *
     48  * Test approach:
     49  * Wrap WriteToClient to intercept server's reply. ProcXIQueryDevice returns
     50  * data in two batches, once for the request, once for the trailing data
     51  * with the device information.
     52  * Repeatedly test with varying deviceids and check against data in reply.
     53  */
     54 
     55 struct test_data {
     56     int which_device;
     57     int num_devices_in_reply;
     58 };
     59 
     60 extern ClientRec client_window;
     61 
     62 static void reply_XIQueryDevice_data(ClientPtr client, int len, char *data,
     63                                      void *closure);
     64 static void reply_XIQueryDevice(ClientPtr client, int len, char *data,
     65                                 void *closure);
     66 
     67 /* reply handling for the first bytes that constitute the reply */
     68 static void
     69 reply_XIQueryDevice(ClientPtr client, int len, char *data, void *userdata)
     70 {
     71     xXIQueryDeviceReply *rep = (xXIQueryDeviceReply *) data;
     72     struct test_data *querydata = (struct test_data *) userdata;
     73 
     74     if (client->swapped) {
     75         swapl(&rep->length);
     76         swaps(&rep->sequenceNumber);
     77         swaps(&rep->num_devices);
     78     }
     79 
     80     reply_check_defaults(rep, len, XIQueryDevice);
     81 
     82     if (querydata->which_device == XIAllDevices)
     83         assert(rep->num_devices == devices.num_devices);
     84     else if (querydata->which_device == XIAllMasterDevices)
     85         assert(rep->num_devices == devices.num_master_devices);
     86     else
     87         assert(rep->num_devices == 1);
     88 
     89     querydata->num_devices_in_reply = rep->num_devices;
     90     reply_handler = reply_XIQueryDevice_data;
     91 }
     92 
     93 /* reply handling for the trailing bytes that constitute the device info */
     94 static void
     95 reply_XIQueryDevice_data(ClientPtr client, int len, char *data, void *closure)
     96 {
     97     int i, j;
     98     struct test_data *querydata = (struct test_data *) closure;
     99 
    100     DeviceIntPtr dev;
    101     xXIDeviceInfo *info = (xXIDeviceInfo *) data;
    102     xXIAnyInfo *any;
    103 
    104     for (i = 0; i < querydata->num_devices_in_reply; i++) {
    105         if (client->swapped) {
    106             swaps(&info->deviceid);
    107             swaps(&info->attachment);
    108             swaps(&info->use);
    109             swaps(&info->num_classes);
    110             swaps(&info->name_len);
    111         }
    112 
    113         if (querydata->which_device > XIAllMasterDevices)
    114             assert(info->deviceid == querydata->which_device);
    115 
    116         assert(info->deviceid >= 2);    /* 0 and 1 is reserved */
    117 
    118         switch (info->deviceid) {
    119         case 2:                /* VCP */
    120             dev = devices.vcp;
    121             assert(info->use == XIMasterPointer);
    122             assert(info->attachment == devices.vck->id);
    123             assert(info->num_classes == 3);     /* 2 axes + button */
    124             break;
    125         case 3:                /* VCK */
    126             dev = devices.vck;
    127             assert(info->use == XIMasterKeyboard);
    128             assert(info->attachment == devices.vcp->id);
    129             assert(info->num_classes == 1);
    130             break;
    131         case 4:                /* mouse */
    132             dev = devices.mouse;
    133             assert(info->use == XISlavePointer);
    134             assert(info->attachment == devices.vcp->id);
    135             assert(info->num_classes == 7);     /* 4 axes + button + 2 scroll */
    136             break;
    137         case 5:                /* keyboard */
    138             dev = devices.kbd;
    139             assert(info->use == XISlaveKeyboard);
    140             assert(info->attachment == devices.vck->id);
    141             assert(info->num_classes == 1);
    142             break;
    143 
    144         default:
    145             /* We shouldn't get here */
    146             assert(0);
    147             break;
    148         }
    149         assert(info->enabled == dev->enabled);
    150         assert(info->name_len == strlen(dev->name));
    151         assert(strncmp((char *) &info[1], dev->name, info->name_len) == 0);
    152 
    153         any =
    154             (xXIAnyInfo *) ((char *) &info[1] + ((info->name_len + 3) / 4) * 4);
    155         for (j = 0; j < info->num_classes; j++) {
    156             if (client->swapped) {
    157                 swaps(&any->type);
    158                 swaps(&any->length);
    159                 swaps(&any->sourceid);
    160             }
    161 
    162             switch (info->deviceid) {
    163             case 3:            /* VCK and kbd have the same properties */
    164             case 5:
    165             {
    166                 int k;
    167                 xXIKeyInfo *ki = (xXIKeyInfo *) any;
    168                 XkbDescPtr xkb = devices.vck->key->xkbInfo->desc;
    169                 uint32_t *kc;
    170 
    171                 if (client->swapped)
    172                     swaps(&ki->num_keycodes);
    173 
    174                 assert(any->type == XIKeyClass);
    175                 assert(ki->num_keycodes ==
    176                        (xkb->max_key_code - xkb->min_key_code + 1));
    177                 assert(any->length == (2 + ki->num_keycodes));
    178 
    179                 kc = (uint32_t *) &ki[1];
    180                 for (k = 0; k < ki->num_keycodes; k++, kc++) {
    181                     if (client->swapped)
    182                         swapl(kc);
    183 
    184                     assert(*kc >= xkb->min_key_code);
    185                     assert(*kc <= xkb->max_key_code);
    186                 }
    187                 break;
    188             }
    189             case 4:
    190             {
    191                 assert(any->type == XIButtonClass ||
    192                        any->type == XIValuatorClass ||
    193                        any->type == XIScrollClass);
    194 
    195                 if (any->type == XIScrollClass) {
    196                     xXIScrollInfo *si = (xXIScrollInfo *) any;
    197 
    198                     if (client->swapped) {
    199                         swaps(&si->number);
    200                         swaps(&si->scroll_type);
    201                         swapl(&si->increment.integral);
    202                         swapl(&si->increment.frac);
    203                     }
    204                     assert(si->length == 6);
    205                     assert(si->number == 2 || si->number == 3);
    206                     if (si->number == 2) {
    207                         assert(si->scroll_type == XIScrollTypeVertical);
    208                         assert(!si->flags);
    209                     }
    210                     if (si->number == 3) {
    211                         assert(si->scroll_type == XIScrollTypeHorizontal);
    212                         assert(si->flags & XIScrollFlagPreferred);
    213                         assert(!(si->flags & ~XIScrollFlagPreferred));
    214                     }
    215 
    216                     assert(si->increment.integral == si->number);
    217                     /* protocol-common.c sets up increments of 2.4 and 3.5 */
    218                     assert(si->increment.frac > 0.3 * (1ULL << 32));
    219                     assert(si->increment.frac < 0.6 * (1ULL << 32));
    220                 }
    221 
    222             }
    223                 /* fall through */
    224             case 2:            /* VCP and mouse have the same properties except for scroll */
    225             {
    226                 if (info->deviceid == 2)        /* VCP */
    227                     assert(any->type == XIButtonClass ||
    228                            any->type == XIValuatorClass);
    229 
    230                 if (any->type == XIButtonClass) {
    231                     int l;
    232                     xXIButtonInfo *bi = (xXIButtonInfo *) any;
    233 
    234                     if (client->swapped)
    235                         swaps(&bi->num_buttons);
    236 
    237                     assert(bi->num_buttons == devices.vcp->button->numButtons);
    238 
    239                     l = 2 + bi->num_buttons +
    240                         bytes_to_int32(bits_to_bytes(bi->num_buttons));
    241                     assert(bi->length == l);
    242                 }
    243                 else if (any->type == XIValuatorClass) {
    244                     xXIValuatorInfo *vi = (xXIValuatorInfo *) any;
    245 
    246                     if (client->swapped) {
    247                         swaps(&vi->number);
    248                         swapl(&vi->label);
    249                         swapl(&vi->min.integral);
    250                         swapl(&vi->min.frac);
    251                         swapl(&vi->max.integral);
    252                         swapl(&vi->max.frac);
    253                         swapl(&vi->resolution);
    254                     }
    255 
    256                     assert(vi->length == 11);
    257                     assert(vi->number >= 0);
    258                     assert(vi->number < 4);
    259                     if (info->deviceid == 2)    /* VCP */
    260                         assert(vi->number < 2);
    261 
    262                     assert(vi->mode == XIModeRelative);
    263                     /* device was set up as relative, so standard
    264                      * values here. */
    265                     assert(vi->min.integral == -1);
    266                     assert(vi->min.frac == 0);
    267                     assert(vi->max.integral == -1);
    268                     assert(vi->max.frac == 0);
    269                     assert(vi->resolution == 0);
    270                 }
    271             }
    272                 break;
    273             }
    274             any = (xXIAnyInfo *) (((char *) any) + any->length * 4);
    275         }
    276 
    277         info = (xXIDeviceInfo *) any;
    278     }
    279 }
    280 
    281 static void
    282 request_XIQueryDevice(struct test_data *querydata, int deviceid, int error)
    283 {
    284     int rc;
    285     ClientRec client;
    286     xXIQueryDeviceReq request;
    287 
    288     request_init(&request, XIQueryDevice);
    289     client = init_client(request.length, &request);
    290     reply_handler = reply_XIQueryDevice;
    291 
    292     querydata->which_device = deviceid;
    293 
    294     request.deviceid = deviceid;
    295     rc = ProcXIQueryDevice(&client);
    296     assert(rc == error);
    297 
    298     if (rc != Success)
    299         assert(client.errorValue == deviceid);
    300 
    301     reply_handler = reply_XIQueryDevice;
    302 
    303     client.swapped = TRUE;
    304     swaps(&request.length);
    305     swaps(&request.deviceid);
    306     rc = SProcXIQueryDevice(&client);
    307     assert(rc == error);
    308 
    309     if (rc != Success)
    310         assert(client.errorValue == deviceid);
    311 }
    312 
    313 static void
    314 test_XIQueryDevice(void)
    315 {
    316     int i;
    317     xXIQueryDeviceReq request;
    318     struct test_data data;
    319 
    320     reply_handler = reply_XIQueryDevice;
    321     global_userdata = &data;
    322     request_init(&request, XIQueryDevice);
    323 
    324     printf("Testing XIAllDevices.\n");
    325     request_XIQueryDevice(&data, XIAllDevices, Success);
    326     printf("Testing XIAllMasterDevices.\n");
    327     request_XIQueryDevice(&data, XIAllMasterDevices, Success);
    328 
    329     printf("Testing existing device ids.\n");
    330     for (i = 2; i < 6; i++)
    331         request_XIQueryDevice(&data, i, Success);
    332 
    333     printf("Testing non-existing device ids.\n");
    334     for (i = 6; i <= 0xFFFF; i++)
    335         request_XIQueryDevice(&data, i, BadDevice);
    336 
    337     reply_handler = NULL;
    338 
    339 }
    340 
    341 int
    342 protocol_xiquerydevice_test(void)
    343 {
    344     init_simple();
    345 
    346     test_XIQueryDevice();
    347 
    348     return 0;
    349 }