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extended socket API; you can now pass NULL to ignore results you don't

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need
master
leitner 22 years ago
parent f828d295ce
commit 53b201046e
11 changed files with 85 additions and 61 deletions
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1
CHANGES
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@ -17,6 +17,7 @@
fix typo breaking fmt_long for dest==NULL
add fmt_*longlong()
add range check to scan_ulong, scan_ulonglong
extended socket API; you can now pass NULL for results you don't want
0.14:
avoid bus errors in byte_copy

42
socket.h
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@ -12,33 +12,33 @@ extern int socket_udp6(void);
#define socket_tcp() socket_tcp4()
#define socket_udp() socket_udp4()
extern int socket_connect4(int s,const char *ip,uint16 port);
extern int socket_connect6(int s,const char *ip,uint16 port,uint32 scope_id);
extern int socket_connect4(int s,const char* ip,uint16 port);
extern int socket_connect6(int s,const char* ip,uint16 port,uint32 scope_id);
extern int socket_connected(int s);
extern int socket_bind4(int s,const char *ip,uint16 port);
extern int socket_bind4_reuse(int s,const char *ip,uint16 port);
extern int socket_bind6(int s,const char *ip,uint16 port,uint32 scope_id);
extern int socket_bind6_reuse(int s,const char *ip,uint16 port,uint32 scope_id);
extern int socket_bind4(int s,const char* ip,uint16 port);
extern int socket_bind4_reuse(int s,const char* ip,uint16 port);
extern int socket_bind6(int s,const char* ip,uint16 port,uint32 scope_id);
extern int socket_bind6_reuse(int s,const char* ip,uint16 port,uint32 scope_id);
extern int socket_listen(int s,unsigned int backlog);
extern int socket_accept4(int s,char *ip,uint16 *port);
extern int socket_accept6(int s,char *ip,uint16 *port,uint32 *scope_id);
extern int socket_recv4(int s,char *buf,unsigned int len,char *ip,uint16 *port);
extern int socket_recv6(int s,char *buf,unsigned int len,char *ip,uint16 *port,uint32 *scope_id);
extern int socket_send4(int s,const char *buf,unsigned int len,const char *ip,uint16 port);
extern int socket_send6(int s,const char *buf,unsigned int len,const char *ip,uint16 port,uint32 scope_id);
extern int socket_local4(int s,char *ip,uint16 *port);
extern int socket_local6(int s,char *ip,uint16 *port,uint32 *scope_id);
extern int socket_remote4(int s,char *ip,uint16 *port);
extern int socket_remote6(int s,char *ip,uint16 *port,uint32 *scope_id);
extern int socket_accept4(int s,char* ip,uint16* port);
extern int socket_accept6(int s,char* ip,uint16* port,uint32* scope_id);
extern int socket_recv4(int s,char* buf,unsigned int len,char* ip,uint16* port);
extern int socket_recv6(int s,char* buf,unsigned int len,char* ip,uint16* port,uint32* scope_id);
extern int socket_send4(int s,const char* buf,unsigned int len,const char* ip,uint16 port);
extern int socket_send6(int s,const char* buf,unsigned int len,const char* ip,uint16 port,uint32 scope_id);
extern int socket_local4(int s,char* ip,uint16* port);
extern int socket_local6(int s,char* ip,uint16* port,uint32* scope_id);
extern int socket_remote4(int s,char* ip,uint16* port);
extern int socket_remote6(int s,char* ip,uint16* port,uint32* scope_id);
/* enable sending udp packets to the broadcast address */
extern int socket_broadcast(int s);
/* join a multicast group on the given interface */
extern int socket_mcjoin4(int s,const char *groupip,const char *interface);
extern int socket_mcjoin6(int s,const char *groupip,int interface);
extern int socket_mcjoin4(int s,const char* groupip,const char* interface);
extern int socket_mcjoin6(int s,const char* groupip,int interface);
/* leave a multicast group on the given interface */
extern int socket_mcleave4(int s,const char *groupip);
extern int socket_mcleave6(int s,const char *groupip);
extern int socket_mcleave4(int s,const char* groupip);
extern int socket_mcleave6(int s,const char* groupip);
/* set multicast TTL/hop count for outgoing packets */
extern int socket_mcttl4(int s,char hops);
extern int socket_mchopcount6(int s,char hops);
@ -49,7 +49,7 @@ extern int socket_mcloop6(int s,char hops);
extern void socket_tryreservein(int s,int size);
extern const char* socket_getifname(uint32 interface);
extern uint32 socket_getifidx(const char *ifname);
extern uint32 socket_getifidx(const char* ifname);
extern int socket_sendfile(int out,int in,uint32 offset,uint32 bytes);

14
socket/socket_accept6.c
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@ -8,7 +8,7 @@
#include "haveip6.h"
#include "havesl.h"
int socket_accept6(int s,char ip[16],uint16 *port,uint32 *scope_id)
int socket_accept6(int s,char* ip,uint16* port,uint32* scope_id)
{
#ifdef LIBC_HAS_IP6
struct sockaddr_in6 sa;
@ -24,20 +24,24 @@ int socket_accept6(int s,char ip[16],uint16 *port,uint32 *scope_id)
#ifdef LIBC_HAS_IP6
if (sa.sin6_family==AF_INET) {
struct sockaddr_in *sa4=(struct sockaddr_in*)&sa;
if (ip) {
byte_copy(ip,12,V4mappedprefix);
byte_copy(ip+12,4,(char *) &sa4->sin_addr);
uint16_unpack_big((char *) &sa4->sin_port,port);
}
if (port) uint16_unpack_big((char *) &sa4->sin_port,port);
return fd;
}
byte_copy(ip,16,(char *) &sa.sin6_addr);
uint16_unpack_big((char *) &sa.sin6_port,port);
if (ip) byte_copy(ip,16,(char *) &sa.sin6_addr);
if (port) uint16_unpack_big((char *) &sa.sin6_port,port);
if (scope_id) *scope_id=sa.sin6_scope_id;
return fd;
#else
if (ip) {
byte_copy(ip,12,V4mappedprefix);
byte_copy(ip+12,4,(char *) &sa.sin_addr);
uint16_unpack_big((char *) &sa.sin_port,port);
}
if (port) uint16_unpack_big((char *) &sa.sin_port,port);
if (scope_id) *scope_id=0;
return fd;
#endif

3
socket/socket_bind4.c
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@ -11,6 +11,9 @@ int socket_bind4(int s,const char *ip,uint16 port) {
byte_zero(&si,sizeof si);
si.sin_family = AF_INET;
uint16_pack_big((char*) &si.sin_port,port);
if (ip)
*(uint32*)&si.sin_addr = *(uint32*)ip;
else
si.sin_addr.s_addr=INADDR_ANY;
return bind(s,(struct sockaddr*)&si,sizeof si);
}

4
socket/socket_bind6.c
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@ -11,7 +11,11 @@ int socket_bind6(int s,const char ip[16],uint16 port,uint32 scope_id)
{
#ifdef LIBC_HAS_IP6
struct sockaddr_in6 sa;
#endif
if (!ip) ip=V6any;
#ifdef LIBC_HAS_IP6
if (noipv6) {
#endif
int i;

4
socket/socket_local4.c
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@ -12,8 +12,8 @@ int socket_local4(int s,char ip[4],uint16 *port)
socklen_t len = sizeof si;
if (getsockname(s,(struct sockaddr *) &si,&len) == -1) return -1;
*(uint32*)ip = *(uint32*)&si.sin_addr;
uint16_unpack_big((char *) &si.sin_port,port);
if (ip) *(uint32*)ip = *(uint32*)&si.sin_addr;
if (port) uint16_unpack_big((char *) &si.sin_port,port);
return 0;
}

12
socket/socket_local6.c
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@ -22,18 +22,22 @@ int socket_local6(int s,char ip[16],uint16 *port,uint32 *scope_id)
#ifdef LIBC_HAS_IP6
if (si.sin6_family==AF_INET) {
struct sockaddr_in *si4=(struct sockaddr_in*)&si;
if (ip) {
byte_copy(ip,12,V4mappedprefix);
byte_copy(ip+12,4,(char *) &si4->sin_addr);
uint16_unpack_big((char *) &si4->sin_port,port);
}
if (port) uint16_unpack_big((char *) &si4->sin_port,port);
return 0;
}
byte_copy(ip,16,(char *) &si.sin6_addr);
uint16_unpack_big((char *) &si.sin6_port,port);
if (ip) byte_copy(ip,16,(char *) &si.sin6_addr);
if (port) uint16_unpack_big((char *) &si.sin6_port,port);
if (scope_id) *scope_id=si.sin6_scope_id;
#else
if (ip) {
byte_copy(ip,12,V4mappedprefix);
byte_copy(ip+12,4,(char *) &si.sin_addr);
uint16_unpack_big((char *) &si.sin_port,port);
}
if (port) uint16_unpack_big((char *) &si.sin_port,port);
if (scope_id) *scope_id=0;
#endif
return 0;

4
socket/socket_recv4.c
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@ -11,7 +11,7 @@ int socket_recv4(int s,char *buf,unsigned int len,char ip[4],uint16 *port) {
int r;
if ((r = recvfrom(s,buf,len,0,(struct sockaddr *) &si,&Len))<0) return -1;
*(uint32*)ip = *(uint32*)&si.sin_addr;
uint16_unpack_big((char *) &si.sin_port,port);
if (ip) *(uint32*)ip = *(uint32*)&si.sin_addr;
if (port) uint16_unpack_big((char *) &si.sin_port,port);
return r;
}

12
socket/socket_recv6.c
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@ -24,18 +24,22 @@ int socket_recv6(int s,char *buf,unsigned int len,char ip[16],uint16 *port,uint3
#ifdef LIBC_HAS_IP6
if (noipv6) {
struct sockaddr_in *si4=(struct sockaddr_in *)&si;
if (ip) {
byte_copy(ip,12,V4mappedprefix);
byte_copy(ip+12,4,(char *) &si4->sin_addr);
uint16_unpack_big((char *) &si4->sin_port,port);
}
if (port) uint16_unpack_big((char *) &si4->sin_port,port);
return r;
}
byte_copy(ip,16,(char *) &si.sin6_addr);
uint16_unpack_big((char *) &si.sin6_port,port);
if (ip) byte_copy(ip,16,(char *) &si.sin6_addr);
if (port) uint16_unpack_big((char *) &si.sin6_port,port);
if (scope_id) *scope_id=si.sin6_scope_id;
#else
if (ip) {
byte_copy(ip,12,(char *)V4mappedprefix);
byte_copy(ip+12,4,(char *) &si.sin_addr);
uint16_unpack_big((char *) &si.sin_port,port);
}
if (port) uint16_unpack_big((char *) &si.sin_port,port);
if (scope_id) *scope_id=0;
#endif

4
socket/socket_remote4.c
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@ -12,8 +12,8 @@ int socket_remote4(int s,char ip[4],uint16 *port)
socklen_t len = sizeof si;
if (getpeername(s,(struct sockaddr *) &si,&len) == -1) return -1;
*(uint32*)ip = *(uint32*)&si.sin_addr;
uint16_unpack_big((char *) &si.sin_port,port);
if (ip) *(uint32*)ip = *(uint32*)&si.sin_addr;
if (port) uint16_unpack_big((char *) &si.sin_port,port);
return 0;
}

12
socket/socket_remote6.c
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@ -22,18 +22,22 @@ int socket_remote6(int s,char ip[16],uint16 *port,uint32 *scope_id)
#ifdef LIBC_HAS_IP6
if (si.sin6_family==AF_INET) {
struct sockaddr_in *si4=(struct sockaddr_in*)&si;
if (ip) {
byte_copy(ip,12,V4mappedprefix);
byte_copy(ip+12,4,(char *) &si4->sin_addr);
uint16_unpack_big((char *) &si4->sin_port,port);
}
if (port) uint16_unpack_big((char *) &si4->sin_port,port);
return 0;
}
byte_copy(ip,16,(char *) &si.sin6_addr);
uint16_unpack_big((char *) &si.sin6_port,port);
if (ip) byte_copy(ip,16,(char *) &si.sin6_addr);
if (port) uint16_unpack_big((char *) &si.sin6_port,port);
if (scope_id) *scope_id=si.sin6_scope_id;
#else
if (ip) {
byte_copy(ip,12,V4mappedprefix);
byte_copy(ip+12,4,(char *) &si.sin_addr);
uint16_unpack_big((char *) &si.sin_port,port);
}
if (port) uint16_unpack_big((char *) &si.sin_port,port);
if (scope_id) *scope_id=0;
#endif
return 0;

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