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/* Copyright (c) 2009-2018 Dovecot authors, see the included COPYING file */
#include "test-lib.h"
#include "net.h"
#include "str.h"
#include "safe-mkstemp.h"
#include "randgen.h"
#include "istream.h"
#include "ostream.h"
#include <fcntl.h>
#include <unistd.h>
#define MAX_BUFSIZE 256
static void test_ostream_file_random_once(void)
{
struct ostream *output;
string_t *path = t_str_new(128);
char buf[MAX_BUFSIZE*4], buf2[MAX_BUFSIZE*4], randbuf[MAX_BUFSIZE];
unsigned int i, offset, size;
ssize_t ret;
int fd;
memset(buf, 0, sizeof(buf));
fd = safe_mkstemp(path, 0600, (uid_t)-1, (gid_t)-1);
if (fd == -1)
i_fatal("safe_mkstemp(%s) failed: %m", str_c(path));
i_unlink(str_c(path));
output = o_stream_create_fd(fd, MAX_BUFSIZE);
o_stream_cork(output);
size = i_rand_minmax(1, MAX_BUFSIZE);
random_fill(randbuf, size);
memcpy(buf, randbuf, size);
test_assert(o_stream_send(output, buf, size) > 0);
for (i = 0; i < 10; i++) {
offset = i_rand_limit(MAX_BUFSIZE * 3);
size = i_rand_minmax(1, MAX_BUFSIZE);
random_fill(randbuf, size);
memcpy(buf + offset, randbuf, size);
test_assert(o_stream_pwrite(output, randbuf, size, offset) == 0);
if (i_rand_limit(10) == 0)
test_assert(o_stream_flush(output) > 0);
}
o_stream_uncork(output);
test_assert(o_stream_finish(output) > 0);
ret = pread(fd, buf2, sizeof(buf2), 0);
if (ret < 0)
i_fatal("pread() failed: %m");
else {
i_assert(ret > 0);
test_assert(memcmp(buf, buf2, ret) == 0);
}
o_stream_unref(&output);
i_close_fd(&fd);
}
static void test_ostream_file_random(void)
{
unsigned int i;
test_begin("ostream pwrite random");
for (i = 0; i < 100; i++) T_BEGIN {
test_ostream_file_random_once();
} T_END;
test_end();
}
static void test_ostream_file_send_istream_file(void)
{
struct istream *input, *input2;
struct ostream *output;
char buf[10];
int fd;
test_begin("ostream file send istream file");
/* temp file istream */
fd = open(".temp.istream", O_RDWR | O_CREAT | O_TRUNC, 0600);
if (fd == -1)
i_fatal("creat(.temp.istream) failed: %m");
test_assert(write(fd, "1234567890", 10) == 10);
test_assert(lseek(fd, 0, SEEK_SET) == 0);
input = i_stream_create_fd_autoclose(&fd, 1024);
/* temp file ostream */
fd = open(".temp.ostream", O_RDWR | O_CREAT | O_TRUNC, 0600);
if (fd == -1)
i_fatal("creat(.temp.ostream) failed: %m");
output = o_stream_create_fd(fd, 0);
/* test that writing works between two files */
i_stream_seek(input, 3);
input2 = i_stream_create_limit(input, 4);
test_assert(o_stream_send_istream(output, input2) == OSTREAM_SEND_ISTREAM_RESULT_FINISHED);
test_assert(output->offset == 4);
test_assert(pread(fd, buf, sizeof(buf), 0) == 4 &&
memcmp(buf, "4567", 4) == 0);
i_stream_unref(&input2);
/* test that writing works within the same file */
i_stream_destroy(&input);
input = i_stream_create_fd(fd, 1024);
/* forwards: 4567 -> 4677 */
o_stream_seek(output, 1);
i_stream_seek(input, 2);
input2 = i_stream_create_limit(input, 2);
test_assert(o_stream_send_istream(output, input2) == OSTREAM_SEND_ISTREAM_RESULT_FINISHED);
test_assert(output->offset == 3);
test_assert(pread(fd, buf, sizeof(buf), 0) == 4 &&
memcmp(buf, "4677", 4) == 0);
i_stream_destroy(&input2);
i_stream_destroy(&input);
/* backwards: 1234 -> 11234 */
memcpy(buf, "1234", 4);
test_assert(pwrite(fd, buf, 4, 0) == 4);
input = i_stream_create_fd(fd, 1024);
o_stream_seek(output, 1);
test_assert(o_stream_send_istream(output, input) == OSTREAM_SEND_ISTREAM_RESULT_FINISHED);
test_assert(output->offset == 5);
test_assert(pread(fd, buf, sizeof(buf), 0) == 5 &&
memcmp(buf, "11234", 5) == 0);
i_stream_destroy(&input);
o_stream_destroy(&output);
i_close_fd(&fd);
i_unlink(".temp.istream");
i_unlink(".temp.ostream");
test_end();
}
static void test_ostream_file_send_istream_sendfile(void)
{
struct istream *input, *input2;
struct ostream *output;
char buf[10];
int fd, sock_fd[2];
test_begin("ostream file send istream sendfile()");
/* temp file istream */
fd = open(".temp.istream", O_RDWR | O_CREAT | O_TRUNC, 0600);
if (fd == -1)
i_fatal("creat(.temp.istream) failed: %m");
test_assert(write(fd, "abcdefghij", 10) == 10);
test_assert(lseek(fd, 0, SEEK_SET) == 0);
input = i_stream_create_fd_autoclose(&fd, 1024);
/* temp socket ostream */
i_assert(socketpair(AF_UNIX, SOCK_STREAM, 0, sock_fd) == 0);
output = o_stream_create_fd_autoclose(sock_fd, 0);
/* test that sendfile() works */
i_stream_seek(input, 3);
input2 = i_stream_create_limit(input, 4);
test_assert(o_stream_send_istream(output, input2) == OSTREAM_SEND_ISTREAM_RESULT_FINISHED);
test_assert(output->offset == 4);
test_assert(read(sock_fd[1], buf, sizeof(buf)) == 4 &&
memcmp(buf, "defg", 4) == 0);
i_stream_unref(&input2);
/* test reading past EOF */
i_stream_seek(input, 0);
input2 = i_stream_create_limit(input, 20);
test_assert(o_stream_send_istream(output, input2) == OSTREAM_SEND_ISTREAM_RESULT_FINISHED);
test_assert(input2->v_offset == 10);
test_assert(output->offset == 14);
i_stream_unref(&input2);
i_stream_unref(&input);
o_stream_destroy(&output);
i_close_fd(&sock_fd[1]);
i_unlink(".temp.istream");
test_end();
}
void test_ostream_file(void)
{
test_ostream_file_random();
test_ostream_file_send_istream_file();
test_ostream_file_send_istream_sendfile();
}
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