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Code Issues Releases Activity

Use inet_ntop(), thanks to pavelo for telling me about this

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This commit is contained in:
Nikolas Garofil 2011-02-12 17:18:33 +01:00
parent 70b6f35a84
commit 723255f142
3 changed files with 22 additions and 33 deletions
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18
src/linux.cc
View File

@ -347,6 +347,21 @@ void print_gateway_ip(struct text_object *obj, char *p, int p_max_size)
snprintf(p, p_max_size, "%s", gw_info.ip);
}
u_int8_t hextobyte(const char in[2]) {
u_int8_t out=0;
char currentchar;
for(int i=0; i<2; i++) {
currentchar=in[i];
if(currentchar <= '9') currentchar -= '0';
else if(currentchar <= 'A') currentchar -= 'A' - 10;
else currentchar -= 'a' - 10;
out<<=4;
out+=currentchar;
}
return out;
}
int update_net_stats(void)
{
FILE *net_dev_fp;
@ -590,7 +605,8 @@ int update_net_stats(void)
lastv6->next = (struct v6addr *) malloc(sizeof(struct v6addr));
lastv6 = lastv6->next;
}
strncpy(lastv6->addr, v6addr, 32);
for(int i=0; i<16; i++)
lastv6->addr.s6_addr[i]=hextobyte(v6addr+2*i);
lastv6->netmask = netmask;
switch(scope) {
case 0: //global

35
src/net_stat.cc
View File

@ -236,6 +236,7 @@ void print_v6addrs(struct text_object *obj, char *p, int p_max_size)
{
struct net_stat *ns = (struct net_stat *)obj->data.opaque;
char *current_char = p;
char tempaddress[INET6_ADDRSTRLEN];
struct v6addr *current_v6 = ns->v6addrs;
if (!ns)
@ -248,37 +249,9 @@ void print_v6addrs(struct text_object *obj, char *p, int p_max_size)
return;
}
while(current_v6) {
char extracompress = 0; //0 until the first '0000', 1 after the first '0000', 2 after the first non-'0000' after a '0000'
for(int i=0; i<8; i++) { //loop trough the 8 parts of the ipv6
//skip the zeros in front of each part
int j=0;
while(j<4) if(*(current_v6->addr+(i*4)+j) == '0') j++; else break;
if(j==4) {
if(*(current_v6->addr+(i*4)+3) == '0') { //4 zeros
switch(extracompress) {
case 0: //first time this happens, so replace by '::'
*current_char = ':';
current_char++;
if(current_char == p+1) { //to make sure there is no ':::' when the first '0000' isn't at the beginning
*current_char = ':';
current_char++;
}
extracompress=1;
continue;
case 1: //again, ignore them, they are included in the '::'
continue;
default: //again, but only remove the first 3 zero's because extra-compression may no longer be applied
j=3; //but if there are 4 zero's, keep the last
}
} else j=0; //no zeros to skip
}
if(extracompress == 1) extracompress = 2;
//place each part followed by : in the ip
strncpy(current_char, current_v6->addr+(i*4)+j, 4-j);
*(current_char+4-j)=':';
current_char+=5-j;
}
current_char--;
inet_ntop(AF_INET6, &(current_v6->addr), tempaddress, INET6_ADDRSTRLEN);
strcpy(current_char, tempaddress);
current_char+=strlen(current_char);
//netmask
if(ns->v6show_nm) {
char netmaskstr[5]; //max 5 chars (/128 + null-terminator)

2
src/net_stat.h
View File

@ -35,7 +35,7 @@
#ifdef BUILD_IPV6
struct v6addr {
char addr[32];
struct in6_addr addr;
unsigned int netmask;
char scope;
struct v6addr *next;