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DEFINITIONS
This source file includes following definitions.
- main
- apr_setup
- create_testfile
- client
- server
- main
/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <assert.h>
#include <errno.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include "apr_network_io.h"
#include "apr_errno.h"
#include "apr_general.h"
#include "apr_poll.h"
#if !APR_HAS_SENDFILE
int main(void)
{
fprintf(stderr,
"This program won't work on this platform because there is no "
"support for sendfile().\n");
return 0;
}
#else /* !APR_HAS_SENDFILE */
#define FILE_LENGTH 200000
#define FILE_DATA_CHAR '0'
#define HDR1 "1234567890ABCD\n"
#define HDR2 "EFGH\n"
#define HDR3_LEN 80000
#define HDR3_CHAR '^'
#define TRL1 "IJKLMNOPQRSTUVWXYZ\n"
#define TRL2 "!@#$%&*()\n"
#define TRL3_LEN 90000
#define TRL3_CHAR '@'
#define TESTSF_PORT 8021
#define TESTFILE "testsf.dat"
typedef enum {BLK, NONBLK, TIMEOUT} client_socket_mode_t;
static void apr_setup(apr_pool_t **p, apr_socket_t **sock, int *family)
{
char buf[120];
apr_status_t rv;
rv = apr_initialize();
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_initialize()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
atexit(apr_terminate);
rv = apr_pool_create(p, NULL);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_pool_create()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
*sock = NULL;
rv = apr_socket_create(sock, *family, SOCK_STREAM, 0, *p);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_create()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
if (*family == APR_UNSPEC) {
apr_sockaddr_t *localsa;
rv = apr_socket_addr_get(&localsa, APR_LOCAL, *sock);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_addr_get()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
*family = localsa->family;
}
}
static void create_testfile(apr_pool_t *p, const char *fname)
{
apr_file_t *f = NULL;
apr_status_t rv;
char buf[120];
int i;
apr_finfo_t finfo;
printf("Creating a test file...\n");
rv = apr_file_open(&f, fname,
APR_CREATE | APR_WRITE | APR_TRUNCATE | APR_BUFFERED,
APR_UREAD | APR_UWRITE, p);
if (rv) {
fprintf(stderr, "apr_file_open()->%d/%s\n",
rv, apr_strerror(rv, buf, sizeof buf));
exit(1);
}
buf[0] = FILE_DATA_CHAR;
buf[1] = '\0';
for (i = 0; i < FILE_LENGTH; i++) {
/* exercise apr_file_putc() and apr_file_puts() on buffered files */
if ((i % 2) == 0) {
rv = apr_file_putc(buf[0], f);
if (rv) {
fprintf(stderr, "apr_file_putc()->%d/%s\n",
rv, apr_strerror(rv, buf, sizeof buf));
exit(1);
}
}
else {
rv = apr_file_puts(buf, f);
if (rv) {
fprintf(stderr, "apr_file_puts()->%d/%s\n",
rv, apr_strerror(rv, buf, sizeof buf));
exit(1);
}
}
}
rv = apr_file_close(f);
if (rv) {
fprintf(stderr, "apr_file_close()->%d/%s\n",
rv, apr_strerror(rv, buf, sizeof buf));
exit(1);
}
rv = apr_stat(&finfo, fname, APR_FINFO_NORM, p);
if (rv != APR_SUCCESS && ! APR_STATUS_IS_INCOMPLETE(rv)) {
fprintf(stderr, "apr_stat()->%d/%s\n",
rv, apr_strerror(rv, buf, sizeof buf));
exit(1);
}
if (finfo.size != FILE_LENGTH) {
fprintf(stderr,
"test file %s should be %ld-bytes long\n"
"instead it is %ld-bytes long\n",
fname,
(long int)FILE_LENGTH,
(long int)finfo.size);
exit(1);
}
}
static int client(client_socket_mode_t socket_mode, char *host)
{
apr_status_t rv, tmprv;
apr_socket_t *sock;
apr_pool_t *p;
char buf[120];
apr_file_t *f = NULL;
apr_size_t len;
apr_size_t expected_len;
apr_off_t current_file_offset;
apr_hdtr_t hdtr;
struct iovec headers[3];
struct iovec trailers[3];
apr_size_t bytes_read;
apr_pollset_t *pset;
apr_int32_t nsocks;
int i;
int family;
apr_sockaddr_t *destsa;
family = APR_INET;
apr_setup(&p, &sock, &family);
create_testfile(p, TESTFILE);
rv = apr_file_open(&f, TESTFILE, APR_READ, 0, p);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_file_open()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
if (!host) {
host = "127.0.0.1";
}
rv = apr_sockaddr_info_get(&destsa, host, family, TESTSF_PORT, 0, p);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_sockaddr_info_get()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
rv = apr_socket_connect(sock, destsa);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_connect()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
switch(socket_mode) {
case BLK:
/* leave it blocking */
break;
case NONBLK:
/* set it non-blocking */
rv = apr_socket_opt_set(sock, APR_SO_NONBLOCK, 1);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_opt_set(APR_SO_NONBLOCK)->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
break;
case TIMEOUT:
/* set a timeout */
rv = apr_socket_timeout_set(sock, 100 * APR_USEC_PER_SEC);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_opt_set(APR_SO_NONBLOCK)->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
break;
default:
assert(1 != 1);
}
printf("Sending the file...\n");
hdtr.headers = headers;
hdtr.numheaders = 3;
hdtr.headers[0].iov_base = HDR1;
hdtr.headers[0].iov_len = strlen(hdtr.headers[0].iov_base);
hdtr.headers[1].iov_base = HDR2;
hdtr.headers[1].iov_len = strlen(hdtr.headers[1].iov_base);
hdtr.headers[2].iov_base = malloc(HDR3_LEN);
assert(hdtr.headers[2].iov_base);
memset(hdtr.headers[2].iov_base, HDR3_CHAR, HDR3_LEN);
hdtr.headers[2].iov_len = HDR3_LEN;
hdtr.trailers = trailers;
hdtr.numtrailers = 3;
hdtr.trailers[0].iov_base = TRL1;
hdtr.trailers[0].iov_len = strlen(hdtr.trailers[0].iov_base);
hdtr.trailers[1].iov_base = TRL2;
hdtr.trailers[1].iov_len = strlen(hdtr.trailers[1].iov_base);
hdtr.trailers[2].iov_base = malloc(TRL3_LEN);
memset(hdtr.trailers[2].iov_base, TRL3_CHAR, TRL3_LEN);
assert(hdtr.trailers[2].iov_base);
hdtr.trailers[2].iov_len = TRL3_LEN;
expected_len =
strlen(HDR1) + strlen(HDR2) + HDR3_LEN +
strlen(TRL1) + strlen(TRL2) + TRL3_LEN +
FILE_LENGTH;
if (socket_mode == BLK) {
current_file_offset = 0;
len = FILE_LENGTH;
rv = apr_socket_sendfile(sock, f, &hdtr, ¤t_file_offset, &len, 0);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_sendfile()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
printf("apr_socket_sendfile() updated offset with %ld\n",
(long int)current_file_offset);
printf("apr_socket_sendfile() updated len with %ld\n",
(long int)len);
printf("bytes really sent: %" APR_SIZE_T_FMT "\n",
expected_len);
if (len != expected_len) {
fprintf(stderr, "apr_socket_sendfile() didn't report the correct "
"number of bytes sent!\n");
exit(1);
}
}
else {
/* non-blocking... wooooooo */
apr_size_t total_bytes_sent;
apr_pollfd_t pfd;
pset = NULL;
rv = apr_pollset_create(&pset, 1, p, 0);
assert(!rv);
pfd.p = p;
pfd.desc_type = APR_POLL_SOCKET;
pfd.reqevents = APR_POLLOUT;
pfd.rtnevents = 0;
pfd.desc.s = sock;
pfd.client_data = NULL;
rv = apr_pollset_add(pset, &pfd);
assert(!rv);
total_bytes_sent = 0;
current_file_offset = 0;
len = FILE_LENGTH;
do {
apr_size_t tmplen;
tmplen = len; /* bytes remaining to send from the file */
printf("Calling apr_socket_sendfile()...\n");
printf("Headers (%d):\n", hdtr.numheaders);
for (i = 0; i < hdtr.numheaders; i++) {
printf("\t%ld bytes (%c)\n",
(long)hdtr.headers[i].iov_len,
*(char *)hdtr.headers[i].iov_base);
}
printf("File: %ld bytes from offset %ld\n",
(long)tmplen, (long)current_file_offset);
printf("Trailers (%d):\n", hdtr.numtrailers);
for (i = 0; i < hdtr.numtrailers; i++) {
printf("\t%ld bytes\n",
(long)hdtr.trailers[i].iov_len);
}
rv = apr_socket_sendfile(sock, f, &hdtr, ¤t_file_offset, &tmplen, 0);
printf("apr_socket_sendfile()->%d, sent %ld bytes\n", rv, (long)tmplen);
if (rv) {
if (APR_STATUS_IS_EAGAIN(rv)) {
assert(tmplen == 0);
nsocks = 1;
tmprv = apr_pollset_poll(pset, -1, &nsocks, NULL);
assert(!tmprv);
assert(nsocks == 1);
/* continue; */
}
}
total_bytes_sent += tmplen;
/* Adjust hdtr to compensate for partially-written
* data.
*/
/* First, skip over any header data which might have
* been written.
*/
while (tmplen && hdtr.numheaders) {
if (tmplen >= hdtr.headers[0].iov_len) {
tmplen -= hdtr.headers[0].iov_len;
--hdtr.numheaders;
++hdtr.headers;
}
else {
hdtr.headers[0].iov_len -= tmplen;
hdtr.headers[0].iov_base =
(char*) hdtr.headers[0].iov_base + tmplen;
tmplen = 0;
}
}
/* Now, skip over any file data which might have been
* written.
*/
if (tmplen <= len) {
current_file_offset += tmplen;
len -= tmplen;
tmplen = 0;
}
else {
tmplen -= len;
len = 0;
current_file_offset = 0;
}
/* Last, skip over any trailer data which might have
* been written.
*/
while (tmplen && hdtr.numtrailers) {
if (tmplen >= hdtr.trailers[0].iov_len) {
tmplen -= hdtr.trailers[0].iov_len;
--hdtr.numtrailers;
++hdtr.trailers;
}
else {
hdtr.trailers[0].iov_len -= tmplen;
hdtr.trailers[0].iov_base =
(char *)hdtr.trailers[0].iov_base + tmplen;
tmplen = 0;
}
}
} while (total_bytes_sent < expected_len &&
(rv == APR_SUCCESS ||
(APR_STATUS_IS_EAGAIN(rv) && socket_mode != TIMEOUT)));
if (total_bytes_sent != expected_len) {
fprintf(stderr,
"client problem: sent %ld of %ld bytes\n",
(long)total_bytes_sent, (long)expected_len);
exit(1);
}
if (rv) {
fprintf(stderr,
"client problem: rv %d\n",
rv);
exit(1);
}
}
current_file_offset = 0;
rv = apr_file_seek(f, APR_CUR, ¤t_file_offset);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_file_seek()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
printf("After apr_socket_sendfile(), the kernel file pointer is "
"at offset %ld.\n",
(long int)current_file_offset);
rv = apr_socket_shutdown(sock, APR_SHUTDOWN_WRITE);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_shutdown()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
/* in case this is the non-blocking test, set socket timeout;
* we're just waiting for EOF */
rv = apr_socket_timeout_set(sock, apr_time_from_sec(3));
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_timeout_set()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
bytes_read = 1;
rv = apr_socket_recv(sock, buf, &bytes_read);
if (rv != APR_EOF) {
fprintf(stderr, "apr_socket_recv()->%d/%s (expected APR_EOF)\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
if (bytes_read != 0) {
fprintf(stderr, "We expected to get 0 bytes read with APR_EOF\n"
"but instead we read %ld bytes.\n",
(long int)bytes_read);
exit(1);
}
printf("client: apr_socket_sendfile() worked as expected!\n");
rv = apr_file_remove(TESTFILE, p);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_file_remove()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
return 0;
}
static int server(void)
{
apr_status_t rv;
apr_socket_t *sock;
apr_pool_t *p;
char buf[120];
int i;
apr_socket_t *newsock = NULL;
apr_size_t bytes_read;
apr_sockaddr_t *localsa;
int family;
family = APR_UNSPEC;
apr_setup(&p, &sock, &family);
rv = apr_socket_opt_set(sock, APR_SO_REUSEADDR, 1);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_opt_set()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
rv = apr_sockaddr_info_get(&localsa, NULL, family, TESTSF_PORT, 0, p);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_sockaddr_info_get()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
rv = apr_socket_bind(sock, localsa);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_bind()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
rv = apr_socket_listen(sock, 5);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_listen()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
printf("Waiting for a client to connect...\n");
rv = apr_socket_accept(&newsock, sock, p);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_accept()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
printf("Processing a client...\n");
assert(sizeof buf > strlen(HDR1));
bytes_read = strlen(HDR1);
rv = apr_socket_recv(newsock, buf, &bytes_read);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_recv()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
if (bytes_read != strlen(HDR1)) {
fprintf(stderr, "wrong data read (1)\n");
exit(1);
}
if (memcmp(buf, HDR1, strlen(HDR1))) {
fprintf(stderr, "wrong data read (2)\n");
fprintf(stderr, "received: `%.*s'\nexpected: `%s'\n",
(int)bytes_read, buf, HDR1);
exit(1);
}
assert(sizeof buf > strlen(HDR2));
bytes_read = strlen(HDR2);
rv = apr_socket_recv(newsock, buf, &bytes_read);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_recv()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
if (bytes_read != strlen(HDR2)) {
fprintf(stderr, "wrong data read (3)\n");
exit(1);
}
if (memcmp(buf, HDR2, strlen(HDR2))) {
fprintf(stderr, "wrong data read (4)\n");
fprintf(stderr, "received: `%.*s'\nexpected: `%s'\n",
(int)bytes_read, buf, HDR2);
exit(1);
}
for (i = 0; i < HDR3_LEN; i++) {
bytes_read = 1;
rv = apr_socket_recv(newsock, buf, &bytes_read);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_recv()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
if (bytes_read != 1) {
fprintf(stderr, "apr_socket_recv()->%ld bytes instead of 1\n",
(long int)bytes_read);
exit(1);
}
if (buf[0] != HDR3_CHAR) {
fprintf(stderr,
"problem with data read (byte %d of hdr 3):\n",
i);
fprintf(stderr, "read `%c' (0x%x) from client; expected "
"`%c'\n",
buf[0], buf[0], HDR3_CHAR);
exit(1);
}
}
for (i = 0; i < FILE_LENGTH; i++) {
bytes_read = 1;
rv = apr_socket_recv(newsock, buf, &bytes_read);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_recv()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
if (bytes_read != 1) {
fprintf(stderr, "apr_socket_recv()->%ld bytes instead of 1\n",
(long int)bytes_read);
exit(1);
}
if (buf[0] != FILE_DATA_CHAR) {
fprintf(stderr,
"problem with data read (byte %d of file):\n",
i);
fprintf(stderr, "read `%c' (0x%x) from client; expected "
"`%c'\n",
buf[0], buf[0], FILE_DATA_CHAR);
exit(1);
}
}
assert(sizeof buf > strlen(TRL1));
bytes_read = strlen(TRL1);
rv = apr_socket_recv(newsock, buf, &bytes_read);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_recv()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
if (bytes_read != strlen(TRL1)) {
fprintf(stderr, "wrong data read (5)\n");
exit(1);
}
if (memcmp(buf, TRL1, strlen(TRL1))) {
fprintf(stderr, "wrong data read (6)\n");
fprintf(stderr, "received: `%.*s'\nexpected: `%s'\n",
(int)bytes_read, buf, TRL1);
exit(1);
}
assert(sizeof buf > strlen(TRL2));
bytes_read = strlen(TRL2);
rv = apr_socket_recv(newsock, buf, &bytes_read);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_recv()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
if (bytes_read != strlen(TRL2)) {
fprintf(stderr, "wrong data read (7)\n");
exit(1);
}
if (memcmp(buf, TRL2, strlen(TRL2))) {
fprintf(stderr, "wrong data read (8)\n");
fprintf(stderr, "received: `%.*s'\nexpected: `%s'\n",
(int)bytes_read, buf, TRL2);
exit(1);
}
for (i = 0; i < TRL3_LEN; i++) {
bytes_read = 1;
rv = apr_socket_recv(newsock, buf, &bytes_read);
if (rv != APR_SUCCESS) {
fprintf(stderr, "apr_socket_recv()->%d/%s\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
if (bytes_read != 1) {
fprintf(stderr, "apr_socket_recv()->%ld bytes instead of 1\n",
(long int)bytes_read);
exit(1);
}
if (buf[0] != TRL3_CHAR) {
fprintf(stderr,
"problem with data read (byte %d of trl 3):\n",
i);
fprintf(stderr, "read `%c' (0x%x) from client; expected "
"`%c'\n",
buf[0], buf[0], TRL3_CHAR);
exit(1);
}
}
bytes_read = 1;
rv = apr_socket_recv(newsock, buf, &bytes_read);
if (rv != APR_EOF) {
fprintf(stderr, "apr_socket_recv()->%d/%s (expected APR_EOF)\n",
rv,
apr_strerror(rv, buf, sizeof buf));
exit(1);
}
if (bytes_read != 0) {
fprintf(stderr, "We expected to get 0 bytes read with APR_EOF\n"
"but instead we read %ld bytes (%c).\n",
(long int)bytes_read, buf[0]);
exit(1);
}
printf("server: apr_socket_sendfile() worked as expected!\n");
return 0;
}
int main(int argc, char *argv[])
{
#ifdef SIGPIPE
signal(SIGPIPE, SIG_IGN);
#endif
/* Gee whiz this is goofy logic but I wanna drive sendfile right now,
* not dork around with the command line!
*/
if (argc >= 3 && !strcmp(argv[1], "client")) {
char *host = 0;
if (argv[3]) {
host = argv[3];
}
if (!strcmp(argv[2], "blocking")) {
return client(BLK, host);
}
else if (!strcmp(argv[2], "timeout")) {
return client(TIMEOUT, host);
}
else if (!strcmp(argv[2], "nonblocking")) {
return client(NONBLK, host);
}
}
else if (argc == 2 && !strcmp(argv[1], "server")) {
return server();
}
fprintf(stderr,
"Usage: %s client {blocking|nonblocking|timeout}\n"
" %s server\n",
argv[0], argv[0]);
return -1;
}
#endif /* !APR_HAS_SENDFILE */