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Make libnet.so live switchable between kernel land stack and debug userland stack:

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$ export NET_STACK_DRIVER_PATH=/dev/net/server -> userland debug stack (net_server-like)
$ export -n NET_STACK_DRIVER_PATH -> kernelland stack


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1849 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Philippe Houdoin 2002-11-05 09:32:54 +00:00
parent ed48868f63
commit d2f48fdd85
1 changed files with 24 additions and 5 deletions
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29
src/kits/network/libnet/socket.c
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@ -9,6 +9,7 @@
#include <kernel/OS.h>
#include <iovec.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/sockio.h>
@ -25,9 +26,10 @@ struct beosr5_sockaddr_in {
char sin_zero[4];
};
static void convert_from_beos_r5_sockaddr(struct sockaddr *to, const struct sockaddr *from);
static void convert_to_beos_r5_sockaddr(struct sockaddr *to, const struct sockaddr *from);
static void convert_from_beos_r5_sockopt(int *level, int *optnum);
static char * get_stack_driver_path();
static void convert_from_beos_r5_sockaddr(struct sockaddr *to, const struct sockaddr *from);
static void convert_to_beos_r5_sockaddr(struct sockaddr *to, const struct sockaddr *from);
static void convert_from_beos_r5_sockopt(int *level, int *optnum);
_EXPORT int socket(int family, int type, int protocol)
{
@ -35,7 +37,7 @@ _EXPORT int socket(int family, int type, int protocol)
int rv;
struct socket_args args;
sock = open(NET_STACK_DRIVER_PATH, O_RDWR);
sock = open(get_stack_driver_path(), O_RDWR);
if (sock < 0)
return sock;
@ -151,7 +153,7 @@ _EXPORT int accept(int sock, struct sockaddr *addr, int *addrlen)
int new_sock;
void *cookie;
new_sock = open(NET_STACK_DRIVER_PATH, O_RDWR);
new_sock = open(get_stack_driver_path(), O_RDWR);
if (new_sock < 0)
return new_sock;
@ -387,6 +389,8 @@ _EXPORT int getsockname(int sock, struct sockaddr *addr, int *addrlen)
return rv;
}
// #pragma mark -
_EXPORT int sysctl (int *name, uint namelen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
@ -413,11 +417,26 @@ _EXPORT int sysctl (int *name, uint namelen, void *oldp, size_t *oldlenp,
return rv;
}
// #pragma mark -
/*
* Private routines
* ----------------
*/
static char * get_stack_driver_path() {
char * path;
// user-defined stack driver path?
path = getenv("NET_STACK_DRIVER_PATH");
if (path)
return path;
// use the default stack driver path
return NET_STACK_DRIVER_PATH;
}
static void convert_from_beos_r5_sockaddr(struct sockaddr *_to, const struct sockaddr *_from)
{
const struct beosr5_sockaddr_in *from = (struct beosr5_sockaddr_in *)_from;