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increasing the support of user-level BSD sockets

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This commit is contained in:
Stefan Lankes 2011-09-08 04:43:35 -07:00
parent 58b46d6c08
commit 4d57419e22
10 changed files with 363 additions and 4 deletions
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3
newlib/net/Makefile
View file

@ -7,7 +7,7 @@ LDFLAGS =
LIBNAME = libsocket.a
ARFLAGS = ruv
CP = cp
OBJS = accept.o bind.o closesocket.o connect.o listen.o recv.o send.o socket.o ip_addr.o
OBJS = accept.o bind.o closesocket.o connect.o listen.o recv.o send.o socket.o ip_addr.o gethostbyname.o #setsockopt.o getsockopt.o sendto.o select.o
# other implicit rules
%.o : %.c
@ -23,6 +23,7 @@ $(LIBNAME): $(OBJS) socket.h
$(CP) socket.h $(NEWLIB)/include/sys
$(CP) in.h $(NEWLIB)/include/netinet
$(CP) inet.h $(NEWLIB)/include/arpa
$(CP) netdb.h $(NEWLIB)/include
clean:
$(RM) $(LIBNAME) *.o *~

56
newlib/net/gethostbyname.c Normal file
View file

@ -0,0 +1,56 @@
/*
* Copyright (c) 2011, Stefan Lanes, Chair for Operating Systems,
* RWTH Aachen University
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Chair for Operating Systems,
* RWTH Aachen University.
* 4. Neither the name of the Chair for Operating Systems, RWTH Aachen University
* nor the names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ''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 <COPYRIGHT HOLDER> 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 "config.h"
#include <_ansi.h>
#include <_syslist.h>
#include <errno.h>
#undef errno
extern int errno;
#include "warning.h"
#include "syscall.h"
struct hostent;
struct hostent*
_DEFUN (gethostbyname, (name),
const char *name)
{
struct hostent* ret;
ret = (struct hostent*) SYSCALL1(__NR_gethostbyname, name);
//if (ret == NULL)
// errno = -EINVAL;
return ret;
}

56
newlib/net/getsockopt.c Normal file
View file

@ -0,0 +1,56 @@
/*
* Copyright (c) 2011, Stefan Lanes, Chair for Operating Systems,
* RWTH Aachen University
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Chair for Operating Systems,
* RWTH Aachen University.
* 4. Neither the name of the Chair for Operating Systems, RWTH Aachen University
* nor the names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ''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 <COPYRIGHT HOLDER> 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 "config.h"
#include <_ansi.h>
#include <_syslist.h>
#include <errno.h>
#undef errno
extern int errno;
#include "warning.h"
#include "syscall.h"
int
_DEFUN (getsockopt, (s, level, optname, optval, optlen),
int s _AND int level _AND int optname _AND void *optval _AND uint32_t optlen)
{
int ret;
ret = SYSCALL6(__NR_getsockopt, s, level, optname, optval, optlen);
if (ret < 0) {
errno = -ret;
ret = -1;
}
return ret;
}

2
newlib/net/inet.h
View file

@ -106,4 +106,4 @@ char *ipaddr_ntoa_r(const ip_addr_t *addr, char *buf, int buflen);
}
#endif
#endif /* __NETINET_IN_H__ */
#endif /* __ARPA_INET_H__ */

67
newlib/net/netdb.h Normal file
View file

@ -0,0 +1,67 @@
/*
* Copyright (c) 2011, Stefan Lankes, Chair for Operating Systems,
* RWTH Aachen University
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Chair for Operating Systems,
* RWTH Aachen University.
* 4. Neither the name of the Chair for Operating Systems, RWTH Aachen University
* nor the names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ''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 <COPYRIGHT HOLDER> 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.
*/
/*
* The kernel of MetalSVM uses LwIP as lightweight TCP/IP stack.
* This header defines only a small wrapper to use LwIP functions
* from user space.
*/
#ifndef __NETDB_H__
#define __NETDB_H__
#include <stddef.h>
#include <sys/types.h>
#ifdef __cplusplus
{
#endif
struct hostent {
char *h_name; /* Official name of the host. */
char **h_aliases; /* A pointer to an array of pointers to alternative host names,
terminated by a null pointer. */
int h_addrtype; /* Address type. */
int h_length; /* The length, in bytes, of the address. */
char **h_addr_list; /* A pointer to an array of pointers to network addresses (in
network byte order) for the host, terminated by a null pointer. */
#define h_addr h_addr_list[0] /* for backward compatibility */
};
struct hostent *gethostbyname(const char *name);
#ifdef __cplusplus
}
#endif
#endif /* __NETDB_H__ */

58
newlib/net/select.c Normal file
View file

@ -0,0 +1,58 @@
/*
* Copyright (c) 2011, Stefan Lanes, Chair for Operating Systems,
* RWTH Aachen University
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Chair for Operating Systems,
* RWTH Aachen University.
* 4. Neither the name of the Chair for Operating Systems, RWTH Aachen University
* nor the names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ''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 <COPYRIGHT HOLDER> 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 "config.h"
#include <_ansi.h>
#include <_syslist.h>
#include <sys/types.h>
#include <errno.h>
#undef errno
extern int errno;
#include "warning.h"
#include "syscall.h"
int
_DEFUN (select, (maxfdp1, readset, writeset, exceptset, timeout),
int maxfdp1 _AND fd_set *readset _AND fd_set *writeset _AND fd_set *exceptset _AND struct timeval *timeout)
{
int ret;
ret = SYSCALL6(__NR_select, maxfdp1, readset, writeset, exceptset, timeout);
if (ret < 0) {
errno = -ret;
ret = -1;
}
return ret;
}

58
newlib/net/sendto.c Normal file
View file

@ -0,0 +1,58 @@
/*
* Copyright (c) 2011, Stefan Lanes, Chair for Operating Systems,
* RWTH Aachen University
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Chair for Operating Systems,
* RWTH Aachen University.
* 4. Neither the name of the Chair for Operating Systems, RWTH Aachen University
* nor the names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ''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 <COPYRIGHT HOLDER> 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 "config.h"
#include <_ansi.h>
#include <_syslist.h>
#include <errno.h>
#undef errno
extern int errno;
#include "warning.h"
#include "syscall.h"
struct sockaddr;
int
_DEFUN (sendto, (s, dataptr, size, flags, to, tolen),
int s _AND const void *dataptr _AND size_t size _AND int flags _AND const struct sockaddr *to _AND uint32_t tolen)
{
int ret;
ret = SYSCALL7(__NR_sendto, s, dataptr, size, flags, to, tolen);
if (ret < 0) {
errno = -ret;
ret = -1;
}
return ret;
}

57
newlib/net/setsockopt.c Normal file
View file

@ -0,0 +1,57 @@
/*
* Copyright (c) 2011, Stefan Lanes, Chair for Operating Systems,
* RWTH Aachen University
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Chair for Operating Systems,
* RWTH Aachen University.
* 4. Neither the name of the Chair for Operating Systems, RWTH Aachen University
* nor the names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ''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 <COPYRIGHT HOLDER> 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 "config.h"
#include <_ansi.h>
#include <_syslist.h>
#include <errno.h>
#undef errno
extern int errno;
#include "warning.h"
#include "syscall.h"
int
_DEFUN (setsockopt, (s, level, optname, optval, optlen),
int s _AND int level _AND int optname _AND const void *optval _AND uint32_t optlen)
{
int ret;
ret = SYSCALL6(__NR_setsockopt, s, level, optname, optval, optlen);
if (ret < 0) {
errno = -ret;
ret = -1;
}
return ret;
}

4
newlib/net/socket.h
View file

@ -311,8 +311,8 @@ int send(int s, const void *dataptr, size_t size, int flags);
int sendto(int s, const void *dataptr, size_t size, int flags,
const struct sockaddr *to, socklen_t tolen);
int socket(int domain, int type, int protocol);
//int select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
// struct timeval *timeout);
int select(int maxfdp1, fd_set *readset, fd_set *writeset, fd_set *exceptset,
struct timeval *timeout);
//int ioctl(int s, long cmd, void *argp);
//int fcntl(int s, int cmd, int val);

6
newlib/net/syscall.h
View file

@ -63,6 +63,12 @@ extern "C" {
#define __NR_recv 21
#define __NR_send 22
#define __NR_socket 23
#define __NR_getsockopt 24
#define __NR_setsockopt 25
#define __NR_gethostbyname 26
#define __NR_sendto 27
#define __NR_recvfrom 28
#define __NR_select 29
#define _STR(token) #token
#define _SYSCALLSTR(x) "int $" _STR(x) " "