[common] clipboard: enlarge transfer buffers

This commit is contained in:
Geoffrey McRae
2026-08-14 19:08:55 +10:00
parent 42cec4774b
commit 352c3c42b6
9 changed files with 46 additions and 28 deletions

View File

@@ -35,12 +35,18 @@
#include <sys/mman.h>
#include <unistd.h>
#define TEST_SHM_SIZE (8U * 1024U * 1024U)
#define TEST_WAIT_MS 2500U
#define TEST_QUIET_MS 50U
#define TEST_MEMORY_MAX 128U
#define SLOT_BYTES \
#define TEST_WAIT_MS 2500U
#define TEST_QUIET_MS 50U
#define TEST_MEMORY_MAX 128U
#define SLOT_BYTES \
(sizeof(KVMFRClipboardSlotHeader) + KVMFR_CLIPBOARD_DATA_BYTES)
#define TEST_TRANSIENT_SLOTS 4U
#define TEST_SHM_OVERHEAD (1024U * 1024U)
/* Match the production inbound and outbound slot pools, retain several
* synthetic host DATA records at once, and leave room for LGMP metadata. */
#define TEST_SHM_SIZE \
((2U * KVMFR_CLIPBOARD_SLOT_COUNT + TEST_TRANSIENT_SLOTS) * SLOT_BYTES + \
TEST_SHM_OVERHEAD)
#define CHECK(x) \
do \
@@ -1219,6 +1225,10 @@ static bool testMalformedFileData(TestState * state)
static bool testFileStream(TestState * state)
{
static uint8_t bytes[KVMFR_CLIPBOARD_FILE_READ_BYTES];
for (size_t i = 0; i < sizeof(bytes); ++i)
bytes[i] = (uint8_t)(i * 131U + 17U);
KVMFRClipboardMessage claimRecord;
CHECK(claim(state, 78, false, &claimRecord));
CHECK(own(state, 78, claimRecord.generation));
@@ -1251,7 +1261,7 @@ static bool testFileStream(TestState * state)
request.offset = 123;
request.size = 42;
request.format = KVMFR_CLIPBOARD_FORMAT_FILES;
request.flags = 3;
request.flags = sizeof(bytes);
request.token = KVMFR_CLIPBOARD_FILE_OP_READ;
CHECK(postRecord(state, &request,
KVMFR_CLIPBOARD_QUEUE_MESSAGE, NULL));
@@ -1262,14 +1272,13 @@ static bool testFileStream(TestState * state)
CHECK(descriptor.request == request.transfer);
CHECK(descriptor.node == 42);
CHECK(descriptor.offset == 123);
CHECK(descriptor.length == 3);
CHECK(descriptor.length == sizeof(bytes));
CHECK(descriptor.operation == LG_CLIPBOARD_FILE_READ);
CHECK(state->ops->fileDataBegin(state->clipboard,
&descriptor, 3) == LG_CLIPBOARD_RESULT_ACCEPTED);
&descriptor, sizeof(bytes)) == LG_CLIPBOARD_RESULT_ACCEPTED);
CHECK(postGrant(state, claimRecord.generation, 1));
CHECK(waitMemory(state, state->grantMemory[0]));
static const uint8_t bytes[] = { 9, 8, 7 };
CHECK(state->ops->fileDataChunk(state->clipboard,
&descriptor, 0, bytes, sizeof(bytes)) ==
LG_CLIPBOARD_RESULT_ACCEPTED);
@@ -1278,16 +1287,19 @@ static bool testFileStream(TestState * state)
const void * data;
CHECK(checkFileCommit(state, 1, &commit, &slot, &data));
CHECK(slot.flags == KVMFR_CLIPBOARD_FLAG_BEGIN);
CHECK(slot.offset == 0 && slot.sequence == 0 && slot.size == 3);
CHECK(slot.offset == 0 && slot.sequence == 0 &&
slot.size == sizeof(bytes));
CHECK(slot.length == sizeof(bytes));
CHECK(memcmp(data, bytes, sizeof(bytes)) == 0);
CHECK(postGrant(state, claimRecord.generation, 1));
CHECK(waitMemory(state, state->grantMemory[0]));
CHECK(state->ops->fileDataEnd(state->clipboard,
&descriptor, 3) == LG_CLIPBOARD_RESULT_ACCEPTED);
&descriptor, sizeof(bytes)) == LG_CLIPBOARD_RESULT_ACCEPTED);
CHECK(checkFileCommit(state, 1, &commit, &slot, &data));
CHECK(slot.flags == KVMFR_CLIPBOARD_FLAG_END);
CHECK(slot.offset == 3 && slot.sequence == 1 && slot.size == 3);
CHECK(slot.offset == sizeof(bytes) && slot.sequence == 1 &&
slot.size == sizeof(bytes));
CHECK(slot.length == 0);
return true;
}