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AK+Kernel: Return KString from MACAddress::to_string() in the Kernel

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This lets us safely handle allocation failure.
This commit is contained in:
Idan Horowitz 2022-02-15 19:38:35 +02:00 committed by Andreas Kling
parent 6098ffa120
commit 9277d2dce2
2 changed files with 17 additions and 3 deletions
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14
AK/MACAddress.h
View file

@ -9,10 +9,15 @@
#include <AK/AllOf.h>
#include <AK/Array.h>
#include <AK/Assertions.h>
#include <AK/String.h>
#include <AK/Types.h>
#include <AK/Vector.h>
#ifdef KERNEL
# include <Kernel/KString.h>
#else
# include <AK/String.h>
#endif
class [[gnu::packed]] MACAddress {
static constexpr size_t s_mac_address_length = 6u;
@ -53,10 +58,17 @@ public:
return true;
}
#ifdef KERNEL
ErrorOr<NonnullOwnPtr<Kernel::KString>> to_string() const
{
return Kernel::KString::formatted("{:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x}", m_data[0], m_data[1], m_data[2], m_data[3], m_data[4], m_data[5]);
}
#else
String to_string() const
{
return String::formatted("{:02x}:{:02x}:{:02x}:{:02x}:{:02x}:{:02x}", m_data[0], m_data[1], m_data[2], m_data[3], m_data[4], m_data[5]);
}
#endif
static Optional<MACAddress> from_string(StringView string)
{

6
Kernel/GlobalProcessExposed.cpp
View file

@ -45,7 +45,8 @@ private:
auto obj = array.add_object();
obj.add("name", adapter.name());
obj.add("class_name", adapter.class_name());
obj.add("mac_address", adapter.mac_address().to_string());
auto mac_address = adapter.mac_address().to_string().release_value_but_fixme_should_propagate_errors();
obj.add("mac_address", mac_address->view());
if (!adapter.ipv4_address().is_zero()) {
auto ipv4_address = adapter.ipv4_address().to_string().release_value_but_fixme_should_propagate_errors();
obj.add("ipv4_address", ipv4_address->view());
@ -81,7 +82,8 @@ private:
JsonArraySerializer array { builder };
arp_table().for_each([&](const auto& it) {
auto obj = array.add_object();
obj.add("mac_address", it.value.to_string());
auto mac_address = it.value.to_string().release_value_but_fixme_should_propagate_errors();
obj.add("mac_address", mac_address->view());
auto ip_address = it.key.to_string().release_value_but_fixme_should_propagate_errors();
obj.add("ip_address", ip_address->view());
});