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Merge pull request #7271 from Faless/ipv6_cleanup

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Fixes and improvementes for IPv6 implementation.
This commit is contained in:
Rémi Verschelde
2017-01-02 15:51:45 +01:00
committed by GitHub
parent 6428ebd91f d194e1c48e
commit 0b2771bd65
33 changed files with 292 additions and 256 deletions
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82
core/io/ip_address.cpp
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@@ -38,21 +38,18 @@ IP_Address::operator Variant() const {
IP_Address::operator String() const {
if (type == TYPE_NONE)
return "0.0.0.0";
if (type == TYPE_IPV4)
return itos(field8[0])+"."+itos(field8[1])+"."+itos(field8[2])+"."+itos(field8[3]);
else {
String ret;
for (int i=0; i<8; i++) {
if (i > 0)
ret = ret + ":";
uint16_t num = (field8[i*2] << 8) + field8[i*2+1];
ret = ret + String::num_int64(num, 16);
};
return ret;
if(is_ipv4())
// IPv4 address mapped to IPv6
return itos(field8[12])+"."+itos(field8[13])+"."+itos(field8[14])+"."+itos(field8[15]);
String ret;
for (int i=0; i<8; i++) {
if (i > 0)
ret = ret + ":";
uint16_t num = (field8[i*2] << 8) + field8[i*2+1];
ret = ret + String::num_int64(num, 16);
};
return ret;
}
static void _parse_hex(const String& p_string, int p_start, uint8_t* p_dst) {
@@ -176,17 +173,41 @@ void IP_Address::clear() {
memset(&field8[0], 0, sizeof(field8));
};
bool IP_Address::is_ipv4() const{
return (field32[0]==0 && field32[1]==0 && field16[4]==0 && field16[5]==0xffff);
}
const uint8_t *IP_Address::get_ipv4() const{
ERR_FAIL_COND_V(!is_ipv4(),0);
return &(field8[12]);
}
void IP_Address::set_ipv4(const uint8_t *p_ip) {
clear();
field16[5]=0xffff;
field32[3]=*((const uint32_t *)p_ip);
}
const uint8_t *IP_Address::get_ipv6() const{
return field8;
}
void IP_Address::set_ipv6(const uint8_t *p_buf) {
clear();
for (int i=0; i<16; i++)
field8[i] = p_buf[i];
}
IP_Address::IP_Address(const String& p_string) {
clear();
if (p_string.find(":") >= 0) {
_parse_ipv6(p_string);
type = TYPE_IPV6;
} else {
_parse_ipv4(p_string, 0, &field8[0]);
type = TYPE_IPV4;
// Mapped to IPv6
field16[5] = 0xffff;
_parse_ipv4(p_string, 0, &field8[12]);
};
}
@@ -198,25 +219,22 @@ _FORCE_INLINE_ static void _32_to_buf(uint8_t* p_dst, uint32_t p_n) {
p_dst[3] = (p_n >> 0) & 0xff;
};
IP_Address::IP_Address(uint32_t p_a,uint32_t p_b,uint32_t p_c,uint32_t p_d, IP_Address::AddrType p_type) {
IP_Address::IP_Address(uint32_t p_a,uint32_t p_b,uint32_t p_c,uint32_t p_d, bool is_v6) {
type = p_type;
memset(&field8[0], 0, sizeof(field8));
if (p_type == TYPE_IPV4) {
field8[0]=p_a;
field8[1]=p_b;
field8[2]=p_c;
field8[3]=p_d;
} else if (type == TYPE_IPV6) {
clear();
if (!is_v6) {
// Mapped to IPv6
field16[5]=0xffff;
field8[12]=p_a;
field8[13]=p_b;
field8[14]=p_c;
field8[15]=p_d;
} else {
_32_to_buf(&field8[0], p_a);
_32_to_buf(&field8[4], p_b);
_32_to_buf(&field8[8], p_c);
_32_to_buf(&field8[12], p_d);
} else {
type = TYPE_NONE;
ERR_EXPLAIN("Invalid type specified for IP_Address (use TYPE_IPV4 or TYPE_IPV6");
ERR_FAIL();
};
}
}