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[ip6] add otIp6PrefixFromString() (#9016)

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This commit adds the `Ip6::Prefix::FromString()` method, which parses
a human-readable IPv6 prefix string into a binary representation. It
also updates the unit test `test_ip_address` to validate the new
method, and updates the `parse_cmdline` module to use the new
function.
This commit is contained in:
Abtin Keshavarzian
2023-05-03 18:28:32 -07:00
committed by GitHub
parent a7edd859ee
commit 2caf6b818a
7 changed files with 132 additions and 31 deletions
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tests/unit/test_ip_address.cpp
+52
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@@ -29,6 +29,7 @@
#include <limits.h>
#include "common/encoding.hpp"
#include "common/string.hpp"
#include "net/ip4_types.hpp"
#include "net/ip6_address.hpp"
@@ -166,6 +167,56 @@ void TestIp6AddressFromString(void)
{
checkAddressFromString(&testVector);
}
// Validate parsing all test vectors now as an IPv6 prefix.
for (Ip6AddressTestVector &testVector : testVectors)
{
constexpr uint16_t kMaxString = 80;
ot::Ip6::Prefix prefix;
char string[kMaxString];
uint16_t length;
length = ot::StringLength(testVector.mString, kMaxString);
memcpy(string, testVector.mString, length);
VerifyOrQuit(length + sizeof("/128") <= kMaxString);
strcpy(&string[length], "/128");
printf("%s\n", string);
VerifyOrQuit(prefix.FromString(string) == testVector.mError);
if (testVector.mError == ot::kErrorNone)
{
VerifyOrQuit(memcmp(prefix.GetBytes(), testVector.mAddr, sizeof(ot::Ip6::Address)) == 0);
VerifyOrQuit(prefix.GetLength() == 128);
}
}
}
void TestIp6PrefixFromString(void)
{
ot::Ip6::Prefix prefix;
SuccessOrQuit(prefix.FromString("::/128"));
VerifyOrQuit(prefix.GetLength() == 128);
SuccessOrQuit(prefix.FromString("::/0128"));
VerifyOrQuit(prefix.GetLength() == 128);
SuccessOrQuit(prefix.FromString("::/5"));
VerifyOrQuit(prefix.GetLength() == 5);
SuccessOrQuit(prefix.FromString("::/0"));
VerifyOrQuit(prefix.GetLength() == 0);
VerifyOrQuit(prefix.FromString("::") == ot::kErrorParse);
VerifyOrQuit(prefix.FromString("::/") == ot::kErrorParse);
VerifyOrQuit(prefix.FromString("::/129") == ot::kErrorParse);
VerifyOrQuit(prefix.FromString(":: /12") == ot::kErrorParse);
VerifyOrQuit(prefix.FromString("::/a1") == ot::kErrorParse);
VerifyOrQuit(prefix.FromString("::/12 ") == ot::kErrorParse);
}
void TestIp4AddressFromString(void)
@@ -651,6 +702,7 @@ int main(void)
TestIp6AddressSetPrefix();
TestIp4AddressFromString();
TestIp6AddressFromString();
TestIp6PrefixFromString();
TestIp6Prefix();
TestIp4Ip6Translation();
TestIp4Cidr();