1 files changed, 481 insertions, 0 deletions
diff --git a/tools/regression/sockets/sendfile/sendfile.c b/tools/regression/sockets/sendfile/sendfile.c
new file mode 100644
index 000000000000..40af5a67982e
--- /dev/null
+++ b/tools/regression/sockets/sendfile/sendfile.c
@@ -0,0 +1,481 @@
+/*-
+ * Copyright (c) 2006 Robert N. M. Watson
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#include <netinet/in.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <md5.h>
+#include <signal.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/*
+ * Simple regression test for sendfile.  Creates a file sized at four pages
+ * and then proceeds to send it over a series of sockets, exercising a number
+ * of cases and performing limited validation.
+ */
+
+#define FAIL(msg)	{printf("# %s\n", msg); \
+			return (-1);}
+
+#define FAIL_ERR(msg)	{printf("# %s: %s\n", msg, strerror(errno)); \
+			return (-1);}
+
+#define	TEST_PORT	5678
+#define	TEST_MAGIC	0x4440f7bb
+#define	TEST_PAGES	4
+#define	TEST_SECONDS	30
+
+struct test_header {
+	uint32_t	th_magic;
+	uint32_t	th_header_length;
+	uint32_t	th_offset;
+	uint32_t	th_length;
+	char		th_md5[33];
+};
+
+struct sendfile_test {
+	uint32_t	hdr_length;
+	uint32_t	offset;
+	uint32_t	length;
+	uint32_t	file_size;
+};
+
+static int	file_fd;
+static char	path[PATH_MAX];
+static int	listen_socket;
+static int	accept_socket;
+
+static int test_th(struct test_header *th, uint32_t *header_length,
+		uint32_t *offset, uint32_t *length);
+static void signal_alarm(int signum);
+static void setup_alarm(int seconds);
+static void cancel_alarm(void);
+static int receive_test(void);
+static void run_child(void);
+static int new_test_socket(int *connect_socket);
+static void init_th(struct test_header *th, uint32_t header_length, 
+		uint32_t offset, uint32_t length);
+static int send_test(int connect_socket, struct sendfile_test);
+static int write_test_file(size_t file_size);
+static void run_parent(void);
+static void cleanup(void);
+
+
+static int
+test_th(struct test_header *th, uint32_t *header_length, uint32_t *offset, 
+		uint32_t *length)
+{
+
+	if (th->th_magic != htonl(TEST_MAGIC))
+		FAIL("magic number not found in header")
+	*header_length = ntohl(th->th_header_length);
+	*offset = ntohl(th->th_offset);
+	*length = ntohl(th->th_length);
+	return (0);
+}
+
+static void
+signal_alarm(int signum)
+{
+	(void)signum;
+
+	printf("# test timeout\n");
+
+	if (accept_socket > 0)
+		close(accept_socket);
+	if (listen_socket > 0)
+		close(listen_socket);
+
+	_exit(-1);
+}
+
+static void
+setup_alarm(int seconds)
+{
+	struct itimerval itv;
+	bzero(&itv, sizeof(itv));
+	(void)seconds;
+	itv.it_value.tv_sec = seconds;
+
+	signal(SIGALRM, signal_alarm);
+	setitimer(ITIMER_REAL, &itv, NULL);
+}
+
+static void
+cancel_alarm(void)
+{
+	struct itimerval itv;
+	bzero(&itv, sizeof(itv));
+	setitimer(ITIMER_REAL, &itv, NULL);
+}
+
+static int
+receive_test(void)
+{
+	uint32_t header_length, offset, length, counter;
+	struct test_header th;
+	ssize_t len;
+	char buf[10240];
+	MD5_CTX md5ctx;
+	char *rxmd5;
+
+	len = read(accept_socket, &th, sizeof(th));
+	if (len < 0 || (size_t)len < sizeof(th))
+		FAIL_ERR("read")
+
+	if (test_th(&th, &header_length, &offset, &length) != 0)
+		return (-1);
+
+	MD5Init(&md5ctx);
+
+	counter = 0;
+	while (1) {
+		len = read(accept_socket, buf, sizeof(buf));
+		if (len < 0 || len == 0)
+			break;
+		counter += len;
+		MD5Update(&md5ctx, buf, len);
+	}
+
+	rxmd5 = MD5End(&md5ctx, NULL);
+	
+	if ((counter != header_length+length) || 
+			memcmp(th.th_md5, rxmd5, 33) != 0)
+		FAIL("receive length mismatch")
+
+	free(rxmd5);
+	return (0);
+}
+
+static void
+run_child(void)
+{
+	struct sockaddr_in sin;
+	int rc = 0;
+
+	listen_socket = socket(PF_INET, SOCK_STREAM, 0);
+	if (listen_socket < 0) {
+		printf("# socket: %s\n", strerror(errno));
+		rc = -1;
+	}
+
+	if (!rc) {
+		bzero(&sin, sizeof(sin));
+		sin.sin_len = sizeof(sin);
+		sin.sin_family = AF_INET;
+		sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+		sin.sin_port = htons(TEST_PORT);
+
+		if (bind(listen_socket, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
+			printf("# bind: %s\n", strerror(errno));
+			rc = -1;
+		}
+	}
+
+	if (!rc && listen(listen_socket, -1) < 0) {
+		printf("# listen: %s\n", strerror(errno));
+		rc = -1;
+	}
+
+	if (!rc) {
+		accept_socket = accept(listen_socket, NULL, NULL);	
+		setup_alarm(TEST_SECONDS);
+		if (receive_test() != 0)
+			rc = -1;
+	}
+
+	cancel_alarm();
+	if (accept_socket > 0)
+		close(accept_socket);
+	if (listen_socket > 0)
+		close(listen_socket);
+
+	_exit(rc);
+}
+
+static int
+new_test_socket(int *connect_socket)
+{
+	struct sockaddr_in sin;
+	int rc = 0;
+
+	*connect_socket = socket(PF_INET, SOCK_STREAM, 0);
+	if (*connect_socket < 0)
+		FAIL_ERR("socket")
+
+	bzero(&sin, sizeof(sin));
+	sin.sin_len = sizeof(sin);
+	sin.sin_family = AF_INET;
+	sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+	sin.sin_port = htons(TEST_PORT);
+
+	if (connect(*connect_socket, (struct sockaddr *)&sin, sizeof(sin)) < 0)
+		FAIL_ERR("connect")
+
+	return (rc);
+}
+
+static void
+init_th(struct test_header *th, uint32_t header_length, uint32_t offset, 
+		uint32_t length)
+{
+	bzero(th, sizeof(*th));
+	th->th_magic = htonl(TEST_MAGIC);
+	th->th_header_length = htonl(header_length);
+	th->th_offset = htonl(offset);
+	th->th_length = htonl(length);
+
+	MD5FileChunk(path, th->th_md5, offset, length);
+}
+
+static int
+send_test(int connect_socket, struct sendfile_test test)
+{
+	struct test_header th;
+	struct sf_hdtr hdtr, *hdtrp;
+	struct iovec headers;
+	char *header;
+	ssize_t len;
+	int length;
+	off_t off;
+
+	len = lseek(file_fd, 0, SEEK_SET);
+	if (len != 0)
+		FAIL_ERR("lseek")
+
+	struct stat st;
+	if (fstat(file_fd, &st) < 0)
+		FAIL_ERR("fstat")
+	length = st.st_size - test.offset;
+	if (test.length > 0 && test.length < (uint32_t)length)
+		length = test.length;
+
+	init_th(&th, test.hdr_length, test.offset, length);
+
+	len = write(connect_socket, &th, sizeof(th));
+	if (len != sizeof(th))
+		return (-1);
+
+	if (test.hdr_length != 0) {
+		header = malloc(test.hdr_length);
+		if (header == NULL)
+			FAIL_ERR("malloc")
+
+		hdtrp = &hdtr;
+		bzero(&headers, sizeof(headers));
+		headers.iov_base = header;
+		headers.iov_len = test.hdr_length;
+		bzero(&hdtr, sizeof(hdtr));
+		hdtr.headers = &headers;
+		hdtr.hdr_cnt = 1;
+		hdtr.trailers = NULL;
+		hdtr.trl_cnt = 0;
+	} else {
+		hdtrp = NULL;
+		header = NULL;
+	}
+
+	if (sendfile(file_fd, connect_socket, test.offset, test.length, 
+				hdtrp, &off, 0) < 0) {
+		if (header != NULL)
+			free(header);
+		FAIL_ERR("sendfile")
+	}
+
+	if (length == 0) {
+		struct stat sb;
+
+		if (fstat(file_fd, &sb) == 0)
+			length = sb.st_size - test.offset;
+	}
+
+	if (header != NULL)
+		free(header);
+
+	if (off != length)
+		FAIL("offset != length")
+
+	return (0);
+}
+
+static int
+write_test_file(size_t file_size)
+{
+	char *page_buffer;
+	ssize_t len;
+	static size_t current_file_size = 0;
+
+	if (file_size == current_file_size)
+		return (0);
+	else if (file_size < current_file_size) {
+		if (ftruncate(file_fd, file_size) != 0)
+			FAIL_ERR("ftruncate");
+		current_file_size = file_size;
+		return (0);
+	}
+
+	page_buffer = malloc(file_size);
+	if (page_buffer == NULL)
+		FAIL_ERR("malloc")
+	bzero(page_buffer, file_size);
+
+	len = write(file_fd, page_buffer, file_size);
+	if (len < 0)
+		FAIL_ERR("write")
+
+	len = lseek(file_fd, 0, SEEK_SET);
+	if (len < 0)
+		FAIL_ERR("lseek")
+	if (len != 0)
+		FAIL("len != 0")
+
+	free(page_buffer);
+	current_file_size = file_size;
+	return (0);
+}
+
+static void
+run_parent(void)
+{
+	int connect_socket;
+	int status;
+	int test_num;
+	int test_count;
+	int pid;
+	size_t desired_file_size = 0;
+
+	const int pagesize = getpagesize();
+
+	struct sendfile_test tests[] = {
+ 		{ .hdr_length = 0, .offset = 0, .length = 1 },
+		{ .hdr_length = 0, .offset = 0, .length = pagesize },
+		{ .hdr_length = 0, .offset = 1, .length = 1 },
+		{ .hdr_length = 0, .offset = 1, .length = pagesize },
+		{ .hdr_length = 0, .offset = pagesize, .length = pagesize },
+		{ .hdr_length = 0, .offset = 0, .length = 2*pagesize },
+		{ .hdr_length = 0, .offset = 0, .length = 0 },
+		{ .hdr_length = 0, .offset = pagesize, .length = 0 },
+		{ .hdr_length = 0, .offset = 2*pagesize, .length = 0 },
+		{ .hdr_length = 0, .offset = TEST_PAGES*pagesize, .length = 0 },
+		{ .hdr_length = 0, .offset = 0, .length = pagesize,
+		    .file_size = 1 }
+	};
+
+	test_count = sizeof(tests) / sizeof(tests[0]);
+	printf("1..%d\n", test_count);
+
+	for (test_num = 1; test_num <= test_count; test_num++) {
+
+		desired_file_size = tests[test_num - 1].file_size;
+		if (desired_file_size == 0)
+			desired_file_size = TEST_PAGES * pagesize;
+		if (write_test_file(desired_file_size) != 0) {
+			printf("not ok %d\n", test_num);
+			continue;
+		}
+
+		pid = fork();
+		if (pid == -1) {
+			printf("not ok %d\n", test_num);
+			continue;
+		}
+
+		if (pid == 0)
+			run_child();
+
+		usleep(250000);
+
+		if (new_test_socket(&connect_socket) != 0) {
+			printf("not ok %d\n", test_num);
+			kill(pid, SIGALRM);
+			close(connect_socket);
+			continue;
+		}
+
+		if (send_test(connect_socket, tests[test_num-1]) != 0) {
+			printf("not ok %d\n", test_num);
+			kill(pid, SIGALRM);
+			close(connect_socket);
+			continue;
+		}
+
+		close(connect_socket);
+		if (waitpid(pid, &status, 0) == pid) {
+			if (WIFEXITED(status) && WEXITSTATUS(status) == 0)
+				printf("%s %d\n", "ok", test_num);
+			else
+				printf("%s %d\n", "not ok", test_num);
+		}
+		else {
+			printf("not ok %d\n", test_num);
+		}
+	}
+}
+
+static void
+cleanup(void)
+{
+
+	unlink(path);
+}
+
+int
+main(int argc, char *argv[])
+{
+
+	path[0] = '\0';
+
+	if (argc == 1) {
+		snprintf(path, sizeof(path), "sendfile.XXXXXXXXXXXX");
+		file_fd = mkstemp(path);
+		if (file_fd == -1)
+			FAIL_ERR("mkstemp");
+	} else if (argc == 2) {
+		(void)strlcpy(path, argv[1], sizeof(path));
+		file_fd = open(path, O_CREAT | O_TRUNC | O_RDWR, 0600);
+		if (file_fd == -1)
+			FAIL_ERR("open");
+	} else {
+		FAIL("usage: sendfile [path]");
+	}
+
+	atexit(cleanup);
+
+	run_parent();
+	return (0);
+}