1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
8 #include <netinet/in.h>
10 #include <sys/types.h>
11 #include <sys/socket.h>
17 #include "echo_server.h"
18 #include "gmock/gmock.h"
19 #include "gtest/gtest.h"
20 #include "nacl_io/kernel_intercept.h"
21 #include "nacl_io/kernel_proxy.h"
22 #include "nacl_io/ossocket.h"
23 #include "nacl_io/ostypes.h"
24 #include "ppapi/cpp/message_loop.h"
25 #include "ppapi_simple/ps.h"
27 #ifdef PROVIDES_SOCKET_API
29 using namespace nacl_io;
30 using namespace sdk_util;
32 #define LOCAL_HOST 0x7F000001
39 void IP4ToSockAddr(uint32_t ip, uint16_t port, struct sockaddr_in* addr) {
40 memset(addr, 0, sizeof(*addr));
42 addr->sin_family = AF_INET;
43 addr->sin_port = htons(port);
44 addr->sin_addr.s_addr = htonl(ip);
47 static int ki_fcntl_wrapper(int fd, int request, ...) {
49 va_start(ap, request);
50 int rtn = ki_fcntl(fd, request, ap);
55 static void SetNonBlocking(int sock) {
56 int flags = ki_fcntl_wrapper(sock, F_GETFL);
59 ASSERT_EQ(0, ki_fcntl_wrapper(sock, F_SETFL, flags));
60 ASSERT_EQ(flags, ki_fcntl_wrapper(sock, F_GETFL));
63 class SocketTest : public ::testing::Test {
65 SocketTest() : sock1_(-1), sock2_(-1) {}
69 EXPECT_EQ(0, ki_close(sock1_));
71 EXPECT_EQ(0, ki_close(sock2_));
74 int Bind(int fd, uint32_t ip, uint16_t port) {
76 socklen_t addrlen = sizeof(addr);
78 IP4ToSockAddr(ip, port, &addr);
79 int err = ki_bind(fd, (sockaddr*)&addr, addrlen);
91 class SocketTestUDP : public SocketTest {
96 sock1_ = ki_socket(AF_INET, SOCK_DGRAM, 0);
97 sock2_ = ki_socket(AF_INET, SOCK_DGRAM, 0);
99 EXPECT_GT(sock1_, -1);
100 EXPECT_GT(sock2_, -1);
104 class SocketTestTCP : public SocketTest {
109 sock1_ = ki_socket(AF_INET, SOCK_STREAM, 0);
110 sock2_ = ki_socket(AF_INET, SOCK_STREAM, 0);
112 EXPECT_GT(sock1_, -1);
113 EXPECT_GT(sock2_, -1);
117 class SocketTestWithServer : public ::testing::Test {
119 SocketTestWithServer() : instance_(PSGetInstanceId()) {
120 pthread_mutex_init(&ready_lock_, NULL);
121 pthread_cond_init(&ready_cond_, NULL);
124 void ServerThreadMain() {
125 loop_.AttachToCurrentThread();
126 pp::Instance instance(PSGetInstanceId());
127 EchoServer server(&instance, PORT1, ServerLog, &ready_cond_, &ready_lock_);
131 static void* ServerThreadMainStatic(void* arg) {
132 SocketTestWithServer* test = (SocketTestWithServer*)arg;
133 test->ServerThreadMain();
138 loop_ = pp::MessageLoop(&instance_);
139 pthread_mutex_lock(&ready_lock_);
141 // Start an echo server on a background thread.
142 pthread_create(&server_thread_, NULL, ServerThreadMainStatic, this);
144 // Wait for thread to signal that it is ready to accept connections.
145 pthread_cond_wait(&ready_cond_, &ready_lock_);
146 pthread_mutex_unlock(&ready_lock_);
148 sock_ = ki_socket(AF_INET, SOCK_STREAM, 0);
149 EXPECT_GT(sock_, -1);
153 // Stop the echo server and the background thread it runs on
154 loop_.PostQuit(true);
155 pthread_join(server_thread_, NULL);
156 ASSERT_EQ(0, ki_close(sock_));
159 static void ServerLog(const char* msg) {
160 // Uncomment to see logs of echo server on stdout
161 //printf("server: %s\n", msg);
166 pp::MessageLoop loop_;
167 pp::Instance instance_;
168 pthread_cond_t ready_cond_;
169 pthread_mutex_t ready_lock_;
170 pthread_t server_thread_;
175 TEST(SocketTestSimple, Socket) {
176 EXPECT_EQ(-1, ki_socket(AF_UNIX, SOCK_STREAM, 0));
177 EXPECT_EQ(errno, EAFNOSUPPORT);
179 // We don't support RAW sockets
180 EXPECT_EQ(-1, ki_socket(AF_INET, SOCK_RAW, IPPROTO_TCP));
181 EXPECT_EQ(EPROTONOSUPPORT, errno);
184 EXPECT_EQ(-1, ki_socket(AF_INET, -1, 0));
185 EXPECT_EQ(EINVAL, errno);
187 int sock1_ = ki_socket(AF_INET, SOCK_DGRAM, 0);
188 EXPECT_NE(-1, sock1_);
190 int sock2_ = ki_socket(AF_INET6, SOCK_DGRAM, 0);
191 EXPECT_NE(-1, sock2_);
193 int sock3 = ki_socket(AF_INET, SOCK_STREAM, 0);
194 EXPECT_NE(-1, sock3);
196 int sock4 = ki_socket(AF_INET6, SOCK_STREAM, 0);
197 EXPECT_NE(-1, sock4);
205 TEST_F(SocketTestUDP, Bind) {
207 EXPECT_EQ(0, Bind(sock1_, LOCAL_HOST, PORT1));
209 // Invalid to rebind a socket.
210 EXPECT_EQ(EINVAL, Bind(sock1_, LOCAL_HOST, PORT1));
213 EXPECT_EQ(EADDRINUSE, Bind(sock2_, LOCAL_HOST, PORT1));
215 // Bind with a wildcard.
216 EXPECT_EQ(0, Bind(sock2_, LOCAL_HOST, ANY_PORT));
218 // Invalid to rebind after wildcard
219 EXPECT_EQ(EINVAL, Bind(sock2_, LOCAL_HOST, PORT1));
222 TEST_F(SocketTestUDP, SendRcv) {
226 memset(outbuf, 1, sizeof(outbuf));
227 memset(inbuf, 0, sizeof(inbuf));
229 EXPECT_EQ(0, Bind(sock1_, LOCAL_HOST, PORT1));
230 EXPECT_EQ(0, Bind(sock2_, LOCAL_HOST, PORT2));
233 socklen_t addrlen = sizeof(addr);
234 IP4ToSockAddr(LOCAL_HOST, PORT2, &addr);
237 ki_sendto(sock1_, outbuf, sizeof(outbuf), 0, (sockaddr*) &addr, addrlen);
238 EXPECT_EQ(sizeof(outbuf), len1);
240 // Ensure the buffers are different
241 EXPECT_NE(0, memcmp(outbuf, inbuf, sizeof(outbuf)));
242 memset(&addr, 0, sizeof(addr));
244 // Try to receive the previously sent packet
246 ki_recvfrom(sock2_, inbuf, sizeof(inbuf), 0, (sockaddr*) &addr, &addrlen);
247 EXPECT_EQ(sizeof(outbuf), len2);
248 EXPECT_EQ(sizeof(sockaddr_in), addrlen);
249 EXPECT_EQ(PORT1, htons(addr.sin_port));
251 // Now they should be the same
252 EXPECT_EQ(0, memcmp(outbuf, inbuf, sizeof(outbuf)));
255 TEST_F(SocketTestUDP, SendRcvUnbound) {
259 memset(outbuf, 1, sizeof(outbuf));
260 memset(inbuf, 0, sizeof(inbuf));
262 // Don't bind sock1_, this will automatically bind sock1_ to a random port
263 // at the time of the first send.
264 EXPECT_EQ(0, Bind(sock2_, LOCAL_HOST, PORT2));
268 socklen_t addrlen = sizeof(addr2);
269 IP4ToSockAddr(LOCAL_HOST, PORT2, &addr2);
271 // The first send hasn't occurred, so the socket is not yet bound.
272 socklen_t out_addrlen = sizeof(addr);
273 ASSERT_EQ(0, ki_getsockname(sock1_, (sockaddr*)&addr, &out_addrlen));
274 EXPECT_EQ(addrlen, out_addrlen);
275 EXPECT_EQ(0, htonl(addr.sin_addr.s_addr));
276 EXPECT_EQ(0, htons(addr.sin_port));
279 ki_sendto(sock1_, outbuf, sizeof(outbuf), 0, (sockaddr*) &addr2, addrlen);
280 EXPECT_EQ(sizeof(outbuf), len1);
282 // After the first send, the socket should be bound; the port is set, but
283 // the address is still 0.
284 ASSERT_EQ(0, ki_getsockname(sock1_, (sockaddr*)&addr, &out_addrlen));
285 EXPECT_EQ(addrlen, out_addrlen);
286 EXPECT_EQ(0, htonl(addr.sin_addr.s_addr));
287 EXPECT_NE(0, htons(addr.sin_port));
289 // Ensure the buffers are different
290 EXPECT_NE(0, memcmp(outbuf, inbuf, sizeof(outbuf)));
292 // Try to receive the previously sent packet
294 ki_recvfrom(sock2_, inbuf, sizeof(inbuf), 0, (sockaddr*) &addr, &addrlen);
295 EXPECT_EQ(sizeof(outbuf), len2);
296 EXPECT_EQ(sizeof(sockaddr_in), addrlen);
297 EXPECT_EQ(LOCAL_HOST, htonl(addr.sin_addr.s_addr));
298 EXPECT_NE(0, htons(addr.sin_port));
300 // Now they should be the same
301 EXPECT_EQ(0, memcmp(outbuf, inbuf, sizeof(outbuf)));
304 const size_t kQueueSize = 65536 * 8;
305 TEST_F(SocketTestUDP, FullFifo) {
306 char outbuf[16 * 1024];
308 ASSERT_EQ(0, Bind(sock1_, LOCAL_HOST, PORT1));
309 ASSERT_EQ(0, Bind(sock2_, LOCAL_HOST, PORT2));
312 socklen_t addrlen = sizeof(addr);
313 IP4ToSockAddr(LOCAL_HOST, PORT2, &addr);
316 while (total < kQueueSize * 8) {
317 int len = ki_sendto(sock1_, outbuf, sizeof(outbuf), MSG_DONTWAIT,
318 (sockaddr*) &addr, addrlen);
322 EXPECT_EQ(EWOULDBLOCK, errno);
327 EXPECT_EQ(sizeof(outbuf), len);
331 EXPECT_GT(total, kQueueSize - 1);
332 EXPECT_LT(total, kQueueSize * 8);
335 TEST_F(SocketTestWithServer, TCPConnect) {
339 memset(outbuf, 1, sizeof(outbuf));
342 socklen_t addrlen = sizeof(addr);
344 IP4ToSockAddr(LOCAL_HOST, PORT1, &addr);
346 ASSERT_EQ(0, ki_connect(sock_, (sockaddr*) &addr, addrlen))
347 << "Failed with " << errno << ": " << strerror(errno);
349 // Send two different messages to the echo server and verify the
351 strcpy(outbuf, "hello");
352 memset(inbuf, 0, sizeof(inbuf));
353 ASSERT_EQ(sizeof(outbuf), ki_write(sock_, outbuf, sizeof(outbuf)))
354 << "socket write failed with: " << strerror(errno);
355 ASSERT_EQ(sizeof(outbuf), ki_read(sock_, inbuf, sizeof(inbuf)));
356 EXPECT_EQ(0, memcmp(outbuf, inbuf, sizeof(outbuf)));
358 strcpy(outbuf, "world");
359 memset(inbuf, 0, sizeof(inbuf));
360 ASSERT_EQ(sizeof(outbuf), ki_write(sock_, outbuf, sizeof(outbuf)));
361 ASSERT_EQ(sizeof(outbuf), ki_read(sock_, inbuf, sizeof(inbuf)));
362 EXPECT_EQ(0, memcmp(outbuf, inbuf, sizeof(outbuf)));
365 TEST_F(SocketTestWithServer, TCPConnectNonBlock) {
369 memset(outbuf, 1, sizeof(outbuf));
372 socklen_t addrlen = sizeof(addr);
374 IP4ToSockAddr(LOCAL_HOST, PORT1, &addr);
376 SetNonBlocking(sock_);
377 ASSERT_EQ(-1, ki_connect(sock_, (sockaddr*) &addr, addrlen));
378 ASSERT_EQ(EINPROGRESS, errno)
379 << "expected EINPROGRESS but got: " << strerror(errno);
380 ASSERT_EQ(-1, ki_connect(sock_, (sockaddr*) &addr, addrlen));
381 ASSERT_EQ(EALREADY, errno);
383 // Wait for the socket connection to complete using poll()
384 struct pollfd pollfd = { sock_, POLLIN|POLLOUT, 0 };
385 ASSERT_EQ(1, ki_poll(&pollfd, 1, -1));
386 ASSERT_EQ(POLLOUT, pollfd.revents);
388 // Attempts to connect again should yield EISCONN
389 ASSERT_EQ(-1, ki_connect(sock_, (sockaddr*) &addr, addrlen));
390 ASSERT_EQ(EISCONN, errno);
392 // And SO_ERROR should be 0.
395 TEST_F(SocketTestTCP, TCPConnectFails) {
397 socklen_t addrlen = sizeof(addr);
399 // 10 is an unassigned well-known port, nothing should be bound to it.
400 IP4ToSockAddr(LOCAL_HOST, 10, &addr);
401 ASSERT_EQ(-1, ki_connect(sock1_, (sockaddr*) &addr, addrlen));
402 ASSERT_EQ(ECONNREFUSED, errno);
405 TEST_F(SocketTest, Getsockopt) {
406 sock1_ = ki_socket(AF_INET, SOCK_STREAM, 0);
407 EXPECT_GT(sock1_, -1);
408 int socket_error = 99;
409 socklen_t len = sizeof(socket_error);
411 // Test for valid option (SO_ERROR) which should be 0 when a socket
413 ASSERT_EQ(0, ki_getsockopt(sock1_, SOL_SOCKET, SO_ERROR,
414 &socket_error, &len));
415 ASSERT_EQ(0, socket_error);
416 ASSERT_EQ(sizeof(socket_error), len);
418 // Test for an invalid option (-1)
419 ASSERT_EQ(-1, ki_getsockopt(sock1_, SOL_SOCKET, -1, &socket_error, &len));
420 ASSERT_EQ(ENOPROTOOPT, errno);
423 TEST_F(SocketTest, Setsockopt) {
424 sock1_ = ki_socket(AF_INET, SOCK_STREAM, 0);
425 EXPECT_GT(sock1_, -1);
427 // It should not be possible to set SO_ERROR using setsockopt.
428 int socket_error = 10;
429 socklen_t len = sizeof(socket_error);
430 ASSERT_EQ(-1, ki_setsockopt(sock1_, SOL_SOCKET, SO_ERROR,
431 &socket_error, len));
432 ASSERT_EQ(ENOPROTOOPT, errno);
435 TEST_F(SocketTest, Sockopt_TCP_NODELAY) {
437 socklen_t len = sizeof(option);
438 // Getting and setting TCP_NODELAY on UDP socket should fail
439 sock1_ = ki_socket(AF_INET, SOCK_DGRAM, 0);
440 ASSERT_EQ(-1, ki_setsockopt(sock1_, IPPROTO_TCP, TCP_NODELAY, &option, len));
441 ASSERT_EQ(ENOPROTOOPT, errno);
442 ASSERT_EQ(-1, ki_getsockopt(sock1_, IPPROTO_TCP, TCP_NODELAY, &option, &len));
443 ASSERT_EQ(ENOPROTOOPT, errno);
445 // Getting and setting TCP_NODELAY on TCP socket should preserve value
446 sock2_ = ki_socket(AF_INET, SOCK_STREAM, 0);
447 ASSERT_EQ(0, ki_getsockopt(sock2_, IPPROTO_TCP, TCP_NODELAY, &option, &len));
448 ASSERT_EQ(0, option);
449 ASSERT_EQ(sizeof(option), len);
452 len = sizeof(option);
453 ASSERT_EQ(0, ki_setsockopt(sock2_, IPPROTO_TCP, TCP_NODELAY, &option, len))
454 << "Failed with " << errno << ": " << strerror(errno);
455 ASSERT_EQ(1, option);
458 TEST_F(SocketTest, Sockopt_KEEPALIVE) {
459 sock1_ = ki_socket(AF_INET, SOCK_STREAM, 0);
460 ASSERT_GT(sock1_, -1);
461 sock2_ = ki_socket(AF_INET, SOCK_DGRAM, 0);
462 ASSERT_GT(sock2_, -1);
465 socklen_t len = sizeof(value);
466 ASSERT_EQ(0, ki_getsockopt(sock1_, SOL_SOCKET, SO_KEEPALIVE, &value, &len));
468 ASSERT_EQ(sizeof(int), len);
471 // Disabled until we support SO_LINGER (i.e. syncronouse close()/shutdown())
472 // TODO(sbc): re-enable once we fix http://crbug.com/312401
473 TEST_F(SocketTest, DISABLED_Sockopt_LINGER) {
474 sock1_ = ki_socket(AF_INET, SOCK_STREAM, 0);
475 ASSERT_GT(sock1_, -1);
476 sock2_ = ki_socket(AF_INET, SOCK_DGRAM, 0);
477 ASSERT_GT(sock2_, -1);
479 struct linger linger = { 7, 8 };
480 socklen_t len = sizeof(linger);
481 ASSERT_EQ(0, ki_getsockopt(sock1_, SOL_SOCKET, SO_LINGER, &linger, &len));
482 ASSERT_EQ(0, linger.l_onoff);
483 ASSERT_EQ(0, linger.l_linger);
484 ASSERT_EQ(sizeof(struct linger), len);
485 ASSERT_EQ(0, ki_getsockopt(sock2_, SOL_SOCKET, SO_LINGER, &linger, &len));
486 ASSERT_EQ(0, linger.l_onoff);
487 ASSERT_EQ(0, linger.l_linger);
488 ASSERT_EQ(sizeof(struct linger), len);
491 linger.l_linger = 77;
492 len = sizeof(linger);
493 ASSERT_EQ(0, ki_setsockopt(sock1_, SOL_SOCKET, SO_LINGER, &linger, len));
495 linger.l_linger = 88;
496 ASSERT_EQ(0, ki_setsockopt(sock2_, SOL_SOCKET, SO_LINGER, &linger, len));
498 len = sizeof(linger);
499 ASSERT_EQ(0, ki_getsockopt(sock1_, SOL_SOCKET, SO_LINGER, &linger, &len));
500 ASSERT_EQ(1, linger.l_onoff);
501 ASSERT_EQ(77, linger.l_linger);
502 ASSERT_EQ(sizeof(struct linger), len);
503 ASSERT_EQ(0, ki_getsockopt(sock2_, SOL_SOCKET, SO_LINGER, &linger, &len));
504 ASSERT_EQ(1, linger.l_onoff);
505 ASSERT_EQ(88, linger.l_linger);
506 ASSERT_EQ(sizeof(struct linger), len);
509 TEST_F(SocketTest, Sockopt_REUSEADDR) {
511 socklen_t len = sizeof(value);
512 sock1_ = ki_socket(AF_INET, SOCK_STREAM, 0);
514 ASSERT_GT(sock1_, -1);
515 ASSERT_EQ(0, ki_setsockopt(sock1_, SOL_SOCKET, SO_REUSEADDR, &value, len));
519 ASSERT_EQ(0, ki_getsockopt(sock1_, SOL_SOCKET, SO_REUSEADDR, &value, &len));
521 ASSERT_EQ(sizeof(int), len);
524 // The size of the data to send is deliberately chosen to be
525 // larger than the TCP buffer in nacl_io.
526 // TODO(sbc): use ioctl to discover the actual buffer size at
528 #define LARGE_SEND_BYTES (800 * 1024)
529 TEST_F(SocketTestWithServer, LargeSend) {
530 char* outbuf = (char*)malloc(LARGE_SEND_BYTES);
531 char* inbuf = (char*)malloc(LARGE_SEND_BYTES);
533 int bytes_received = 0;
535 // Fill output buffer with ascending integers
536 int* outbuf_int = (int*)outbuf;
537 int* inbuf_int = (int*)inbuf;
538 for (int i = 0; i < LARGE_SEND_BYTES/sizeof(int); i++) {
543 socklen_t addrlen = sizeof(addr);
545 IP4ToSockAddr(LOCAL_HOST, PORT1, &addr);
546 ASSERT_EQ(0, ki_connect(sock_, (sockaddr*) &addr, addrlen))
547 << "Failed with " << errno << ": " << strerror(errno);
549 // Call send an recv until all bytes have been transfered.
550 while (bytes_received < LARGE_SEND_BYTES) {
551 if (bytes_sent < LARGE_SEND_BYTES) {
552 int sent = ki_send(sock_, outbuf + bytes_sent,
553 LARGE_SEND_BYTES - bytes_sent, MSG_DONTWAIT);
555 ASSERT_EQ(EWOULDBLOCK, errno) << "send failed: " << strerror(errno);
560 int received = ki_recv(sock_, inbuf + bytes_received,
561 LARGE_SEND_BYTES - bytes_received, MSG_DONTWAIT);
563 ASSERT_EQ(EWOULDBLOCK, errno) << "recv failed: " << strerror(errno);
565 bytes_received += received;
568 // Make sure there is nothing else to recv at this point
570 ASSERT_EQ(-1, ki_recv(sock_, dummy, 10, MSG_DONTWAIT));
571 ASSERT_EQ(EWOULDBLOCK, errno);
574 for (int i = 0; i < LARGE_SEND_BYTES/4; i++) {
575 if (inbuf_int[i] != outbuf_int[i]) {
576 printf("%d: in=%d out=%d\n", i, inbuf_int[i], outbuf_int[i]);
582 for (int i = 0; i < LARGE_SEND_BYTES; i++) {
583 ASSERT_EQ(outbuf[i], inbuf[i]) << "cmp failed at " << i;
586 ASSERT_EQ(0, memcmp(inbuf, outbuf, LARGE_SEND_BYTES));
592 TEST_F(SocketTestUDP, Listen) {
593 EXPECT_EQ(-1, ki_listen(sock1_, 10));
594 EXPECT_EQ(errno, ENOTSUP);
597 TEST_F(SocketTestUDP, Sockopt_BUFSIZE) {
598 int option = 1024*1024;
599 socklen_t len = sizeof(option);
601 ASSERT_EQ(0, Bind(sock1_, LOCAL_HOST, ANY_PORT));
603 // Modify the test to verify the change by calling getsockopt
604 // once UDPInterface supports GetOption() call
605 ASSERT_EQ(0, ki_setsockopt(sock1_, SOL_SOCKET, SO_RCVBUF, &option, len))
606 << "failed with: " << strerror(errno);
607 ASSERT_EQ(0, ki_setsockopt(sock1_, SOL_SOCKET, SO_SNDBUF, &option, len))
608 << "failed with: " << strerror(errno);
611 TEST_F(SocketTestTCP, Listen) {
613 socklen_t addrlen = sizeof(addr);
614 const char* client_greeting = "hello";
615 const char* server_reply = "reply";
616 const int greeting_len = strlen(client_greeting);
617 const int reply_len = strlen(server_reply);
619 int server_sock = sock1_;
621 // Accept before listen should fail
622 ASSERT_EQ(-1, ki_accept(server_sock, (sockaddr*)&addr, &addrlen));
624 // Listen should fail on unbound socket
625 ASSERT_EQ(-1, ki_listen(server_sock, 10));
628 ASSERT_EQ(0, Bind(server_sock, LOCAL_HOST, PORT1));
629 ASSERT_EQ(0, ki_listen(server_sock, 10))
630 << "listen failed with: " << strerror(errno);
632 // Connect to listening socket, and send greeting
633 int client_sock = sock2_;
634 IP4ToSockAddr(LOCAL_HOST, PORT1, &addr);
635 addrlen = sizeof(addr);
636 ASSERT_EQ(0, ki_connect(client_sock, (sockaddr*)&addr, addrlen))
637 << "Failed with " << errno << ": " << strerror(errno);
639 ASSERT_EQ(greeting_len, ki_send(client_sock, client_greeting,
642 // Pass in addrlen that is larger than our actual address to make
643 // sure that it is correctly set back to sizeof(sockaddr_in)
644 sockaddr_in client_addr[2];
645 sockaddr_in cmp_addr;
646 memset(&client_addr[0], 0, sizeof(client_addr[0]));
647 memset(&client_addr[1], 0xab, sizeof(client_addr[1]));
648 memset(&cmp_addr, 0xab, sizeof(cmp_addr));
649 addrlen = sizeof(client_addr[0]) + 10;
650 int new_socket = ki_accept(server_sock, (sockaddr*)&client_addr[0],
652 ASSERT_GT(new_socket, -1)
653 << "accept failed with " << errno << ": " << strerror(errno);
654 ASSERT_EQ(addrlen, sizeof(sockaddr_in));
655 // Check that client_addr[1] and cmp_addr are the same (not overwritten).
656 ASSERT_EQ(0, memcmp(&client_addr[1], &cmp_addr, sizeof(cmp_addr)));
657 ASSERT_EQ(0xabab, client_addr[1].sin_port);
659 // Verify addr and addrlen were set correctly
660 ASSERT_EQ(addrlen, sizeof(sockaddr_in));
661 ASSERT_EQ(0, ki_getsockname(client_sock, (sockaddr*)&client_addr[1],
663 ASSERT_EQ(client_addr[1].sin_family, client_addr[0].sin_family);
664 ASSERT_EQ(client_addr[1].sin_port, client_addr[0].sin_port);
665 ASSERT_EQ(client_addr[1].sin_addr.s_addr, client_addr[0].sin_addr.s_addr);
667 // Try a call where the supplied len is smaller than the expected length.
668 // The API should only write up to that amount, but should return the
670 sockaddr_in client_addr2;
671 memset(&client_addr2, 0, sizeof(client_addr2));
672 socklen_t truncated_len = sizeof(client_addr2.sin_family);
673 ASSERT_GT(sizeof(sockaddr_in), truncated_len);
674 ASSERT_EQ(0, ki_getsockname(client_sock, (sockaddr*)&client_addr2,
676 ASSERT_EQ(sizeof(sockaddr_in), truncated_len);
677 ASSERT_EQ(client_addr2.sin_family, client_addr[0].sin_family);
678 ASSERT_EQ(client_addr2.sin_port, 0);
679 ASSERT_EQ(client_addr2.sin_addr.s_addr, 0);
681 // Recv greeting from client and send reply
683 ASSERT_EQ(greeting_len, ki_recv(new_socket, inbuf, sizeof(inbuf), 0));
684 inbuf[greeting_len] = 0;
685 ASSERT_STREQ(inbuf, client_greeting);
686 ASSERT_EQ(reply_len, ki_send(new_socket, server_reply, reply_len, 0));
688 // Recv reply on client socket
689 ASSERT_EQ(reply_len, ki_recv(client_sock, inbuf, sizeof(inbuf), 0));
690 inbuf[reply_len] = 0;
691 ASSERT_STREQ(inbuf, server_reply);
693 ASSERT_EQ(0, ki_close(new_socket));
696 TEST_F(SocketTestTCP, BindAndGetSockName) {
698 socklen_t addrlen = sizeof(addr);
701 ASSERT_EQ(0, Bind(sock1_, LOCAL_HOST, 0));
702 EXPECT_EQ(0, ki_getsockname(sock1_, (struct sockaddr*)&addr, &addrlen));
703 EXPECT_NE(0, addr.sin_port);
706 TEST_F(SocketTestTCP, ListenNonBlocking) {
707 int server_sock = sock1_;
710 SetNonBlocking(server_sock);
713 ASSERT_EQ(0, Bind(server_sock, LOCAL_HOST, PORT1));
714 ASSERT_EQ(0, ki_listen(server_sock, 10))
715 << "listen failed with: " << strerror(errno);
717 // Accept should fail with EAGAIN since there is no incomming
720 socklen_t addrlen = sizeof(addr);
721 ASSERT_EQ(-1, ki_accept(server_sock, (sockaddr*)&addr, &addrlen));
722 ASSERT_EQ(EAGAIN, errno);
724 // If we poll the listening socket it should also return
725 // not readable to indicate that no connections are available
727 struct pollfd pollfd = { server_sock, POLLIN|POLLOUT, 0 };
728 ASSERT_EQ(0, ki_poll(&pollfd, 1, 0));
730 // Connect to listening socket
731 int client_sock = sock2_;
732 IP4ToSockAddr(LOCAL_HOST, PORT1, &addr);
733 addrlen = sizeof(addr);
734 ASSERT_EQ(0, ki_connect(client_sock, (sockaddr*)&addr, addrlen))
735 << "Failed with " << errno << ": " << strerror(errno);
737 // Not poll again but with an infintie timeout.
738 pollfd.fd = server_sock;
739 pollfd.events = POLLIN | POLLOUT;
740 ASSERT_EQ(1, ki_poll(&pollfd, 1, -1));
742 // Now non-blocking accept should return the new socket
743 int new_socket = ki_accept(server_sock, (sockaddr*)&addr, &addrlen);
744 ASSERT_NE(-1, new_socket)
745 << "accept failed with: " << strerror(errno);
746 ASSERT_EQ(0, ki_close(new_socket));
748 // Accept calls should once again fail with EAGAIN
749 ASSERT_EQ(-1, ki_accept(server_sock, (sockaddr*)&addr, &addrlen));
750 ASSERT_EQ(EAGAIN, errno);
752 // As should polling the listening socket
753 pollfd.fd = server_sock;
754 pollfd.events = POLLIN | POLLOUT;
755 ASSERT_EQ(0, ki_poll(&pollfd, 1, 0));
758 TEST_F(SocketTestTCP, SendRecvAfterRemoteShutdown) {
760 socklen_t addrlen = sizeof(addr);
762 int server_sock = sock1_;
763 int client_sock = sock2_;
766 ASSERT_EQ(0, Bind(server_sock, LOCAL_HOST, PORT1));
767 ASSERT_EQ(0, ki_listen(server_sock, 10))
768 << "listen failed with: " << strerror(errno);
770 // connect to listening socket
771 IP4ToSockAddr(LOCAL_HOST, PORT1, &addr);
772 ASSERT_EQ(0, ki_connect(client_sock, (sockaddr*)&addr, addrlen))
773 << "Failed with " << errno << ": " << strerror(errno);
775 addrlen = sizeof(addr);
776 int new_sock = ki_accept(server_sock, (sockaddr*)&addr, &addrlen);
777 ASSERT_NE(-1, new_sock);
779 const char* send_buf = "hello world";
780 ASSERT_EQ(strlen(send_buf), ki_send(new_sock, send_buf, strlen(send_buf), 0));
782 // Recv first 10 bytes
784 ASSERT_EQ(10, ki_recv(client_sock, buf, 10, 0));
786 // Close the new socket
787 ASSERT_EQ(0, ki_close(new_sock));
790 int bytes_remaining = strlen(send_buf) - 10;
791 ASSERT_EQ(bytes_remaining, ki_recv(client_sock, buf, 256, 0));
793 // Attempt to read/write after remote shutdown, with no bytes remainging
794 ASSERT_EQ(0, ki_recv(client_sock, buf, 10, 0));
795 ASSERT_EQ(0, ki_recv(client_sock, buf, 10, 0));
796 ASSERT_EQ(-1, ki_send(client_sock, buf, 10, 0));
797 ASSERT_EQ(errno, EPIPE);
800 TEST_F(SocketTestTCP, SendRecvAfterLocalShutdown) {
802 socklen_t addrlen = sizeof(addr);
804 int server_sock = sock1_;
805 int client_sock = sock2_;
808 ASSERT_EQ(0, Bind(server_sock, LOCAL_HOST, PORT1));
809 ASSERT_EQ(0, ki_listen(server_sock, 10))
810 << "listen failed with: " << strerror(errno);
812 // connect to listening socket
813 IP4ToSockAddr(LOCAL_HOST, PORT1, &addr);
814 ASSERT_EQ(0, ki_connect(client_sock, (sockaddr*)&addr, addrlen))
815 << "Failed with " << errno << ": " << strerror(errno);
817 addrlen = sizeof(addr);
818 int new_sock = ki_accept(server_sock, (sockaddr*)&addr, &addrlen);
819 ASSERT_NE(-1, new_sock);
821 // Close the new socket
822 ASSERT_EQ(0, ki_shutdown(client_sock, SHUT_RDWR));
824 // Attempt to read/write after shutdown
826 ASSERT_EQ(0, ki_recv(client_sock, buffer, sizeof(buffer), 0));
827 ASSERT_EQ(-1, ki_send(client_sock, buffer, sizeof(buffer), 0));
828 ASSERT_EQ(errno, EPIPE);
831 #define SEND_BYTES (1024)
832 TEST_F(SocketTestTCP, SendBufferedDataAfterShutdown) {
834 socklen_t addrlen = sizeof(addr);
836 int server_sock = sock1_;
837 int client_sock = sock2_;
840 ASSERT_EQ(0, Bind(server_sock, LOCAL_HOST, PORT1));
841 ASSERT_EQ(0, ki_listen(server_sock, 10))
842 << "listen failed with: " << strerror(errno);
844 // connect to listening socket
845 IP4ToSockAddr(LOCAL_HOST, PORT1, &addr);
846 ASSERT_EQ(0, ki_connect(client_sock, (sockaddr*)&addr, addrlen))
847 << "Failed with " << errno << ": " << strerror(errno);
849 addrlen = sizeof(addr);
850 int new_sock = ki_accept(server_sock, (sockaddr*)&addr, &addrlen);
851 ASSERT_NE(-1, new_sock);
853 // send a fairly large amount of data and immediately close
855 void* buffer = alloca(SEND_BYTES);
856 ASSERT_EQ(SEND_BYTES, ki_send(client_sock, buffer, SEND_BYTES, 0));
857 ASSERT_EQ(0, ki_close(client_sock));
859 // avoid double close of sock2_
862 // Attempt to recv() all the sent data. None should be lost.
863 int remainder = SEND_BYTES;
864 while (remainder > 0) {
865 int rtn = ki_recv(new_sock, buffer, remainder, 0);
870 ASSERT_EQ(0, ki_close(new_sock));
873 TEST_F(SocketTestTCP, Sockopt_BUFSIZE) {
874 int option = 1024*1024;
875 socklen_t len = sizeof(option);
877 socklen_t addrlen = sizeof(addr);
879 int server_sock = sock1_;
880 int client_sock = sock2_;
883 ASSERT_EQ(0, Bind(server_sock, LOCAL_HOST, PORT1));
884 ASSERT_EQ(0, ki_listen(server_sock, 10))
885 << "listen failed with: " << strerror(errno);
887 // connect to listening socket
888 IP4ToSockAddr(LOCAL_HOST, PORT1, &addr);
889 ASSERT_EQ(0, ki_connect(client_sock, (sockaddr*)&addr, addrlen))
890 << "Failed with " << errno << ": " << strerror(errno);
892 addrlen = sizeof(addr);
893 int new_sock = ki_accept(server_sock, (sockaddr*)&addr, &addrlen);
894 ASSERT_NE(-1, new_sock);
896 // Modify the test to verify the change by calling getsockopt
897 // once TCPInterface supports GetOption() call
898 ASSERT_EQ(0, ki_setsockopt(sock2_, SOL_SOCKET, SO_RCVBUF, &option, len))
899 << "failed with: " << strerror(errno);
900 ASSERT_EQ(0, ki_setsockopt(sock2_, SOL_SOCKET, SO_SNDBUF, &option, len))
901 << "failed with: " << strerror(errno);
904 #endif // PROVIDES_SOCKET_API