/* * Copyright ( c ) 2022 , Google Inc . All rights reserved * * Permission is hereby granted , free of charge , to any person obtaining * a copy of this software and associated documentation files * ( the " Software " ) , to deal in the Software without restriction , * including without limitation the rights to use , copy , modify , merge , * publish , distribute , sublicense , and / or sell copies of the Software , * and to permit persons to whom the Software is furnished to do so , * subject to the following conditions : * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software . * * THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , * EXPRESS OR IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY , FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM , DAMAGES OR OTHER LIABILITY , WHETHER IN AN ACTION OF CONTRACT , * TORT OR OTHERWISE , ARISING FROM , OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE . #include <err.h>#include <ktipc_test.h>#include <lib/ktipc/ktipc.h>#include <lib/unittest/unittest.h>#include <lk/init.h>#define TIMEOUT_MSEC 10000 #define NUM_TEST_CONNECTIONS 100 #define NUM_TEST_MESSAGES 50 static char test_pattern[] = "abcdefghijklmnopqrstuvwxyz!" ;static void send_cmd(struct handle* chan,enum ktipc_test_cmd cmd,char * buf,struct ktipc_test_req req = {int rc = ktipc_send(chan, &req, sizeof (req), buf, len);0 );sizeof (req) + len, (size_t)rc);static void wait_for_hup(struct handle* chan) {int rc;0 , (event & IPC_HANDLE_POLL_READY));if (!(event & IPC_HANDLE_POLL_HUP)) {/* * Service hasn ' t closed the channel yet , wait again . * We should only get READY once , so one extra wait should do it . 0 , (event & IPC_HANDLE_POLL_HUP));/* * Test that the service closes the channel on its end in case on_connect ( ) * returns an error . The client should see this as a HUP . int rc;struct handle* chan = NULL;".connecterr" ,false , HasFailure());if (chan) {/* Test connections to ports blocked by UUID */ int rc;struct handle* chan = NULL;/* * ipc_port_connect_async ( ) returns NO_ERROR for rejected connections , * even with IPC_CONNECT_WAIT_FOR_PORT . We check for a HUP below instead . ".blocked" ,false , HasFailure());if (chan) {int rc;struct handle* chan[NUM_TEST_CONNECTIONS] = {0 ...(NUM_TEST_CONNECTIONS - 1 )] = NULL,for (size_t i = 0 ; i < NUM_TEST_CONNECTIONS; i++) {0 , (event & IPC_HANDLE_POLL_READY));const size_t len = countof(test_pattern);for (size_t i = 0 ; i < NUM_TEST_CONNECTIONS; i++) {for (size_t j = 0 ; j < NUM_TEST_MESSAGES; j++) {0 xff;false , HasFailure());0 , (event & IPC_HANDLE_POLL_MSG));char buf[countof(test_pattern)];0 , memcmp(buf, test_pattern, len));for (size_t i = 0 ; i < NUM_TEST_CONNECTIONS; i++) {if (chan[i]) {/* Test that sends and receives 8 buffers at once */ int rc;struct handle* chan = NULL;0 , (event & IPC_HANDLE_POLL_READY));/* * Send different parts of the test pattern from various offsets as 8 * different buffers so we pass the maximum number of arguments to * ktipc_send ( ) . const size_t len = 4 * 7 ;struct ktipc_test_req req = {sizeof (req), test_pattern, 4 , test_pattern + 4 ,4 , test_pattern, 2 , test_pattern + 2 , 4 , test_pattern + 6 ,6 , test_pattern, 6 , test_pattern + 8 , 2 );0 );sizeof (req) + len, (size_t)rc);0 , (event & IPC_HANDLE_POLL_MSG));/* * Read the message back into different buffers that add to the same total * length . We split the last 4 - byte buffer into two smaller ones so that * we still get 8 buffers in total , so we test ktipc_recv ( ) with the maximum * amount of allowed arguments . char buf4[6 ][4 ];char buf2[2 ][2 ];0 ], 4 , buf4[1 ], 4 , buf4[2 ], 4 , buf4[3 ], 4 ,4 ], 4 , buf4[5 ], 4 , buf2[0 ], 2 , buf2[1 ], 2 );0 , memcmp(buf4[0 ], test_pattern + 0 , 4 ));0 , memcmp(buf4[1 ], test_pattern + 4 , 4 ));0 , memcmp(buf4[2 ], test_pattern + 0 , 4 ));0 , memcmp(buf4[3 ], test_pattern + 4 , 4 ));0 , memcmp(buf4[4 ], test_pattern + 8 , 4 ));0 , memcmp(buf4[5 ], test_pattern + 0 , 4 ));0 , memcmp(buf2[0 ], test_pattern + 4 , 2 ));0 , memcmp(buf2[1 ], test_pattern + 8 , 2 ));if (chan) {int rc;struct handle* chan = NULL;0 , (event & IPC_HANDLE_POLL_READY));0 );false , HasFailure());0 , (event & IPC_HANDLE_POLL_MSG));sizeof (start_close_counter), &start_close_counter,sizeof (start_close_counter));sizeof (start_close_counter), rc);/* Close the first channel */ /* Now open a new channel and ask the server to close it */ 0 , (event & IPC_HANDLE_POLL_READY));0 );false , HasFailure());0 , (event & IPC_HANDLE_POLL_HUP));/* Read the close counter again; it should be 2 higher than the previous */ 0 , (event & IPC_HANDLE_POLL_READY));0 );false , HasFailure());0 , (event & IPC_HANDLE_POLL_MSG));sizeof (end_close_counter), &end_close_counter,sizeof (end_close_counter));sizeof (end_close_counter), rc);2 , end_close_counter);if (chan) {int rc;struct handle* chan = NULL;0 , (event & IPC_HANDLE_POLL_READY));/* Send the message twice, second one should get queued */ const size_t len = countof(test_pattern);false , HasFailure());0 , (event & IPC_HANDLE_POLL_MSG));/* * Send the second message before reading the first reply , * should force the service to queue false , HasFailure());/* Sleep to give the service a chance to run */ 10 );char buf[countof(test_pattern)];0 , memcmp(buf, test_pattern, len));0 , (event & IPC_HANDLE_POLL_MSG));0 , memcmp(buf, test_pattern, len));if (chan) {"com.android.kernel.ktipc.test" );
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