8244224: Implementation of JEP 381: Remove the Solaris and SPARC Ports

Reviewed-by: alanb, bchristi, dcubed, dfuchs, eosterlund, erikj, glaubitz, ihse, iignatyev, jjiang, kbarrett, ksrini, kvn, naoto, prr, rriggs, serb, sspitsyn, stefank, tschatzl, valeriep, weijun, weijun
This commit is contained in:
Mikael Vidstedt 2020-05-20 17:33:37 -07:00
parent 9fe4b69c1a
commit 071bd521bc
954 changed files with 1093 additions and 127816 deletions

View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -37,14 +37,6 @@
#include <sys/utsname.h>
#endif
#if defined(__solaris__)
#include <inet/nd.h>
#include <limits.h>
#include <stropts.h>
#include <sys/filio.h>
#include <sys/sockio.h>
#endif
#if defined(MACOSX)
#include <sys/sysctl.h>
#endif
@ -59,20 +51,6 @@
#define IPV6_FLOWINFO_SEND 33
#endif
#if defined(__solaris__) && !defined(MAXINT)
#define MAXINT INT_MAX
#endif
/*
* EXCLBIND socket options only on Solaris
*/
#if defined(__solaris__) && !defined(TCP_EXCLBIND)
#define TCP_EXCLBIND 0x21
#endif
#if defined(__solaris__) && !defined(UDP_EXCLBIND)
#define UDP_EXCLBIND 0x0101
#endif
#define RESTARTABLE(_cmd, _result) do { \
do { \
_result = _cmd; \
@ -85,94 +63,6 @@ int NET_SocketAvailable(int s, int *pbytes) {
return result;
}
#ifdef __solaris__
static int init_tcp_max_buf, init_udp_max_buf;
static int tcp_max_buf;
static int udp_max_buf;
static int useExclBind = 0;
/*
* Get the specified parameter from the specified driver. The value
* of the parameter is assumed to be an 'int'. If the parameter
* cannot be obtained return -1
*/
int net_getParam(char *driver, char *param)
{
struct strioctl stri;
char buf [64];
int s;
int value;
s = open (driver, O_RDWR);
if (s < 0) {
return -1;
}
strncpy (buf, param, sizeof(buf));
stri.ic_cmd = ND_GET;
stri.ic_timout = 0;
stri.ic_dp = buf;
stri.ic_len = sizeof(buf);
if (ioctl (s, I_STR, &stri) < 0) {
value = -1;
} else {
value = atoi(buf);
}
close (s);
return value;
}
/*
* Iterative way to find the max value that SO_SNDBUF or SO_RCVBUF
* for Solaris versions that do not support the ioctl() in net_getParam().
* Ugly, but only called once (for each sotype).
*
* As an optimization, we make a guess using the default values for Solaris
* assuming they haven't been modified with ndd.
*/
#define MAX_TCP_GUESS 1024 * 1024
#define MAX_UDP_GUESS 2 * 1024 * 1024
#define FAIL_IF_NOT_ENOBUFS if (errno != ENOBUFS) return -1
static int findMaxBuf(int fd, int opt, int sotype) {
int a = 0;
int b = MAXINT;
int initial_guess;
int limit = -1;
if (sotype == SOCK_DGRAM) {
initial_guess = MAX_UDP_GUESS;
} else {
initial_guess = MAX_TCP_GUESS;
}
if (setsockopt(fd, SOL_SOCKET, opt, &initial_guess, sizeof(int)) == 0) {
initial_guess++;
if (setsockopt(fd, SOL_SOCKET, opt, &initial_guess,sizeof(int)) < 0) {
FAIL_IF_NOT_ENOBUFS;
return initial_guess - 1;
}
a = initial_guess;
} else {
FAIL_IF_NOT_ENOBUFS;
b = initial_guess - 1;
}
do {
int mid = a + (b-a)/2;
if (setsockopt(fd, SOL_SOCKET, opt, &mid, sizeof(int)) == 0) {
limit = mid;
a = mid + 1;
} else {
FAIL_IF_NOT_ENOBUFS;
b = mid - 1;
}
} while (b >= a);
return limit;
}
#endif
void
NET_ThrowByNameWithLastError(JNIEnv *env, const char *name,
const char *defaultDetail) {
@ -283,50 +173,6 @@ jint IPv6_supported()
}
#endif
/**
* On Solaris 8 it's possible to create INET6 sockets even
* though IPv6 is not enabled on all interfaces. Thus we
* query the number of IPv6 addresses to verify that IPv6
* has been configured on at least one interface.
*
* On Linux it doesn't matter - if IPv6 is built-in the
* kernel then IPv6 addresses will be bound automatically
* to all interfaces.
*/
#ifdef __solaris__
#ifdef SIOCGLIFNUM
{
struct lifnum numifs;
numifs.lifn_family = AF_INET6;
numifs.lifn_flags = 0;
if (ioctl(fd, SIOCGLIFNUM, (char *)&numifs) < 0) {
/**
* SIOCGLIFNUM failed - assume IPv6 not configured
*/
close(fd);
return JNI_FALSE;
}
/**
* If no IPv6 addresses then return false. If count > 0
* it's possible that all IPv6 addresses are "down" but
* that's okay as they may be brought "up" while the
* VM is running.
*/
if (numifs.lifn_count == 0) {
close(fd);
return JNI_FALSE;
}
}
#else
/* SIOCGLIFNUM not defined in build environment ??? */
close(fd);
return JNI_FALSE;
#endif
#endif /* __solaris */
/*
* OK we may have the stack available in the kernel,
* we should also check if the APIs are available.
@ -403,26 +249,6 @@ void platformInit () {}
#endif
void parseExclusiveBindProperty(JNIEnv *env) {
#ifdef __solaris__
jstring s, flagSet;
jclass iCls;
jmethodID mid;
s = (*env)->NewStringUTF(env, "sun.net.useExclusiveBind");
CHECK_NULL(s);
iCls = (*env)->FindClass(env, "java/lang/System");
CHECK_NULL(iCls);
mid = (*env)->GetStaticMethodID(env, iCls, "getProperty",
"(Ljava/lang/String;)Ljava/lang/String;");
CHECK_NULL(mid);
flagSet = (*env)->CallStaticObjectMethod(env, iCls, mid, s);
if (flagSet != NULL) {
useExclBind = 1;
}
#endif
}
JNIEXPORT jint JNICALL
NET_EnableFastTcpLoopback(int fd) {
return 0;
@ -588,7 +414,7 @@ NET_MapSocketOption(jint cmd, int *level, int *optname) {
*level = IPPROTO_IPV6;
*optname = IPV6_MULTICAST_LOOP;
return 0;
#if (defined(__solaris__) || defined(MACOSX))
#if defined(MACOSX)
// Map IP_TOS request to IPV6_TCLASS
case java_net_SocketOptions_IP_TOS:
*level = IPPROTO_IPV6;
@ -737,65 +563,6 @@ NET_SetSockOpt(int fd, int level, int opt, const void *arg,
*iptos &= (IPTOS_TOS_MASK | IPTOS_PREC_MASK);
}
/*
* SOL_SOCKET/{SO_SNDBUF,SO_RCVBUF} - On Solaris we may need to clamp
* the value when it exceeds the system limit.
*/
#ifdef __solaris__
if (level == SOL_SOCKET) {
if (opt == SO_SNDBUF || opt == SO_RCVBUF) {
int sotype=0;
socklen_t arglen;
int *bufsize, maxbuf;
int ret;
/* Attempt with the original size */
ret = setsockopt(fd, level, opt, arg, len);
if ((ret == 0) || (ret == -1 && errno != ENOBUFS))
return ret;
/* Exceeded system limit so clamp and retry */
arglen = sizeof(sotype);
if (getsockopt(fd, SOL_SOCKET, SO_TYPE, (void *)&sotype,
&arglen) < 0) {
return -1;
}
/*
* We try to get tcp_maxbuf (and udp_max_buf) using
* an ioctl() that isn't available on all versions of Solaris.
* If that fails, we use the search algorithm in findMaxBuf()
*/
if (!init_tcp_max_buf && sotype == SOCK_STREAM) {
tcp_max_buf = net_getParam("/dev/tcp", "tcp_max_buf");
if (tcp_max_buf == -1) {
tcp_max_buf = findMaxBuf(fd, opt, SOCK_STREAM);
if (tcp_max_buf == -1) {
return -1;
}
}
init_tcp_max_buf = 1;
} else if (!init_udp_max_buf && sotype == SOCK_DGRAM) {
udp_max_buf = net_getParam("/dev/udp", "udp_max_buf");
if (udp_max_buf == -1) {
udp_max_buf = findMaxBuf(fd, opt, SOCK_DGRAM);
if (udp_max_buf == -1) {
return -1;
}
}
init_udp_max_buf = 1;
}
maxbuf = (sotype == SOCK_STREAM) ? tcp_max_buf : udp_max_buf;
bufsize = (int *)arg;
if (*bufsize > maxbuf) {
*bufsize = maxbuf;
}
}
}
#endif
#ifdef _AIX
if (level == SOL_SOCKET) {
if (opt == SO_SNDBUF || opt == SO_RCVBUF) {
@ -908,19 +675,10 @@ NET_SetSockOpt(int fd, int level, int opt, const void *arg,
*
* Linux allows a socket to bind to 127.0.0.255 which must be
* caught.
*
* On Solaris with IPv6 enabled we must use an exclusive
* bind to guarantee a unique port number across the IPv4 and
* IPv6 port spaces.
*
*/
int
NET_Bind(int fd, SOCKETADDRESS *sa, int len)
{
#if defined(__solaris__)
int level = -1;
int exclbind = -1;
#endif
int rv;
int arg, alen;
@ -938,61 +696,8 @@ NET_Bind(int fd, SOCKETADDRESS *sa, int len)
}
#endif
#if defined(__solaris__)
/*
* Solaris has separate IPv4 and IPv6 port spaces so we
* use an exclusive bind when SO_REUSEADDR is not used to
* give the illusion of a unified port space.
* This also avoids problems with IPv6 sockets connecting
* to IPv4 mapped addresses whereby the socket conversion
* results in a late bind that fails because the
* corresponding IPv4 port is in use.
*/
alen = sizeof(arg);
if (useExclBind ||
getsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)&arg, &alen) == 0)
{
if (useExclBind || arg == 0) {
/*
* SO_REUSEADDR is disabled or sun.net.useExclusiveBind
* property is true so enable TCP_EXCLBIND or
* UDP_EXCLBIND
*/
alen = sizeof(arg);
if (getsockopt(fd, SOL_SOCKET, SO_TYPE, (char *)&arg, &alen) == 0)
{
if (arg == SOCK_STREAM) {
level = IPPROTO_TCP;
exclbind = TCP_EXCLBIND;
} else {
level = IPPROTO_UDP;
exclbind = UDP_EXCLBIND;
}
}
arg = 1;
setsockopt(fd, level, exclbind, (char *)&arg, sizeof(arg));
}
}
#endif
rv = bind(fd, &sa->sa, len);
#if defined(__solaris__)
if (rv < 0) {
int en = errno;
/* Restore *_EXCLBIND if the bind fails */
if (exclbind != -1) {
int arg = 0;
setsockopt(fd, level, exclbind, (char *)&arg,
sizeof(arg));
}
errno = en;
}
#endif
return rv;
}