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[lldb] [Utility/UriParser] Replace port==-1 with llvm::None 

Use llvm::Optional<uint16_t> instead of int for port number
in UriParser::Parse(), and use llvm::None to indicate missing port
instead of a magic value of -1.

Differential Revision: https://reviews.llvm.org/D112309
This commit is contained in:
Michał Górny 2021-10-22 14:00:07 +02:00
parent 43f8845dd3
commit ff569ed030
11 changed files with 31 additions and 32 deletions
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5
lldb/include/lldb/Utility/UriParser.h
View File

@ -9,6 +9,7 @@
#ifndef LLDB_UTILITY_URIPARSER_H
#define LLDB_UTILITY_URIPARSER_H
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/StringRef.h"
namespace lldb_private {
@ -18,12 +19,12 @@ public:
// RETURN VALUE
// if url is valid, function returns true and
// scheme/hostname/port/path are set to the parsed values
// port it set to -1 if it is not included in the URL
// port it set to llvm::None if it is not included in the URL
//
// if the url is invalid, function returns false and
// output parameters remain unchanged
static bool Parse(llvm::StringRef uri, llvm::StringRef &scheme,
llvm::StringRef &hostname, int &port,
llvm::StringRef &hostname, llvm::Optional<uint16_t> &port,
llvm::StringRef &path);
};
}

2
lldb/source/Plugins/Platform/Android/PlatformAndroid.cpp
View File

@ -155,7 +155,7 @@ Status PlatformAndroid::ConnectRemote(Args &args) {
if (!m_remote_platform_sp)
m_remote_platform_sp = PlatformSP(new PlatformAndroidRemoteGDBServer());
int port;
llvm::Optional<uint16_t> port;
llvm::StringRef scheme, host, path;
const char *url = args.GetArgumentAtIndex(0);
if (!url)

10
lldb/source/Plugins/Platform/Android/PlatformAndroidRemoteGDBServer.cpp
View File

@ -109,7 +109,7 @@ Status PlatformAndroidRemoteGDBServer::ConnectRemote(Args &args) {
return Status(
"\"platform connect\" takes a single argument: <connect-url>");
int remote_port;
llvm::Optional<uint16_t> remote_port;
llvm::StringRef scheme, host, path;
const char *url = args.GetArgumentAtIndex(0);
if (!url)
@ -126,8 +126,7 @@ Status PlatformAndroidRemoteGDBServer::ConnectRemote(Args &args) {
m_socket_namespace = AdbClient::UnixSocketNamespaceAbstract;
std::string connect_url;
auto error =
MakeConnectURL(g_remote_platform_pid, (remote_port < 0) ? 0 : remote_port,
auto error = MakeConnectURL(g_remote_platform_pid, remote_port.getValueOr(0),
path, connect_url);
if (error.Fail())
@ -207,7 +206,7 @@ lldb::ProcessSP PlatformAndroidRemoteGDBServer::ConnectProcess(
// any other valid pid on android.
static lldb::pid_t s_remote_gdbserver_fake_pid = 0xffffffffffffffffULL;
int remote_port;
llvm::Optional<uint16_t> remote_port;
llvm::StringRef scheme, host, path;
if (!UriParser::Parse(connect_url, scheme, host, remote_port, path)) {
error.SetErrorStringWithFormat("Invalid URL: %s",
@ -217,8 +216,7 @@ lldb::ProcessSP PlatformAndroidRemoteGDBServer::ConnectProcess(
std::string new_connect_url;
error = MakeConnectURL(s_remote_gdbserver_fake_pid--,
(remote_port < 0) ? 0 : remote_port, path,
new_connect_url);
remote_port.getValueOr(0), path, new_connect_url);
if (error.Fail())
return nullptr;

2
lldb/source/Plugins/Platform/gdb-server/PlatformRemoteGDBServer.cpp
View File

@ -305,7 +305,7 @@ Status PlatformRemoteGDBServer::ConnectRemote(Args &args) {
if (!url)
return Status("URL is null.");
int port;
llvm::Optional<uint16_t> port;
llvm::StringRef scheme, hostname, pathname;
if (!UriParser::Parse(url, scheme, hostname, port, pathname))
return Status("Invalid URL: %s", url);

1
lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp
View File

@ -39,7 +39,6 @@
#include "lldb/Utility/State.h"
#include "lldb/Utility/StreamString.h"
#include "lldb/Utility/UnimplementedError.h"
#include "lldb/Utility/UriParser.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Support/JSON.h"
#include "llvm/Support/ScopedPrinter.h"

2
lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp
View File

@ -199,7 +199,7 @@ Status GDBRemoteCommunicationServerPlatform::LaunchGDBServer(
if (m_socket_protocol == Socket::ProtocolTcp) {
llvm::StringRef platform_scheme;
llvm::StringRef platform_ip;
int platform_port;
llvm::Optional<uint16_t> platform_port;
llvm::StringRef platform_path;
std::string platform_uri = GetConnection()->GetURI();
bool ok = UriParser::Parse(platform_uri, platform_scheme, platform_ip,

4
lldb/source/Utility/UriParser.cpp
View File

@ -17,7 +17,7 @@ using namespace lldb_private;
// UriParser::Parse
bool UriParser::Parse(llvm::StringRef uri, llvm::StringRef &scheme,
llvm::StringRef &hostname, int &port,
llvm::StringRef &hostname, llvm::Optional<uint16_t> &port,
llvm::StringRef &path) {
llvm::StringRef tmp_scheme, tmp_hostname, tmp_path;
@ -61,7 +61,7 @@ bool UriParser::Parse(llvm::StringRef uri, llvm::StringRef &scheme,
return false;
port = port_value;
} else
port = -1;
port = llvm::None;
scheme = tmp_scheme;
hostname = tmp_hostname;

2
lldb/tools/lldb-server/Acceptor.cpp
View File

@ -84,7 +84,7 @@ std::unique_ptr<Acceptor> Acceptor::Create(StringRef name,
error.Clear();
Socket::SocketProtocol socket_protocol = Socket::ProtocolUnixDomain;
int port;
llvm::Optional<uint16_t> port;
StringRef scheme, host, path;
// Try to match socket name as URL - e.g., tcp://localhost:5555
if (UriParser::Parse(name, scheme, host, port, path)) {

4
lldb/unittests/Host/ConnectionFileDescriptorTest.cpp
View File

@ -28,12 +28,12 @@ public:
llvm::StringRef scheme;
llvm::StringRef hostname;
int port;
llvm::Optional<uint16_t> port;
llvm::StringRef path;
std::string uri(connection_file_descriptor.GetURI());
EXPECT_TRUE(UriParser::Parse(uri, scheme, hostname, port, path));
EXPECT_EQ(ip, hostname);
EXPECT_EQ(socket->GetRemotePortNumber(), port);
EXPECT_EQ(socket->GetRemotePortNumber(), port.getValue());
}
};

6
lldb/unittests/Host/SocketTest.cpp
View File

@ -173,7 +173,7 @@ TEST_P(SocketTest, TCPGetConnectURI) {
llvm::StringRef scheme;
llvm::StringRef hostname;
int port;
llvm::Optional<uint16_t> port;
llvm::StringRef path;
std::string uri(socket_a_up->GetRemoteConnectionURI());
EXPECT_TRUE(UriParser::Parse(uri, scheme, hostname, port, path));
@ -191,7 +191,7 @@ TEST_P(SocketTest, UDPGetConnectURI) {
llvm::StringRef scheme;
llvm::StringRef hostname;
int port;
llvm::Optional<uint16_t> port;
llvm::StringRef path;
std::string uri = socket.get()->GetRemoteConnectionURI();
EXPECT_TRUE(UriParser::Parse(uri, scheme, hostname, port, path));
@ -216,7 +216,7 @@ TEST_P(SocketTest, DomainGetConnectURI) {
llvm::StringRef scheme;
llvm::StringRef hostname;
int port;
llvm::Optional<uint16_t> port;
llvm::StringRef path;
std::string uri(socket_a_up->GetRemoteConnectionURI());
EXPECT_TRUE(UriParser::Parse(uri, scheme, hostname, port, path));

23
lldb/unittests/Utility/UriParserTest.cpp
View File

@ -11,7 +11,7 @@ static const char *kAsdf = "asdf";
class UriTestCase {
public:
UriTestCase(const char *uri, const char *scheme, const char *hostname,
int port, const char *path)
llvm::Optional<uint16_t> port, const char *path)
: m_uri(uri), m_result(true), m_scheme(scheme), m_hostname(hostname),
m_port(port), m_path(path) {}
@ -23,14 +23,14 @@ public:
bool m_result;
const char *m_scheme;
const char *m_hostname;
int m_port;
llvm::Optional<uint16_t> m_port;
const char *m_path;
};
#define VALIDATE \
llvm::StringRef scheme(kAsdf); \
llvm::StringRef hostname(kAsdf); \
int port(1138); \
llvm::Optional<uint16_t> port(1138); \
llvm::StringRef path(kAsdf); \
EXPECT_EQ(testCase.m_result, \
UriParser::Parse(testCase.m_uri, scheme, hostname, port, path)); \
@ -40,7 +40,7 @@ public:
EXPECT_STREQ(testCase.m_path, path.str().c_str());
TEST(UriParserTest, Minimal) {
const UriTestCase testCase("x://y", "x", "y", -1, "/");
const UriTestCase testCase("x://y", "x", "y", llvm::None, "/");
VALIDATE
}
@ -48,7 +48,7 @@ TEST(UriParserTest, MinimalPort) {
const UriTestCase testCase("x://y:1", "x", "y", 1, "/");
llvm::StringRef scheme(kAsdf);
llvm::StringRef hostname(kAsdf);
int port(1138);
llvm::Optional<uint16_t> port(1138);
llvm::StringRef path(kAsdf);
bool result = UriParser::Parse(testCase.m_uri, scheme, hostname, port, path);
EXPECT_EQ(testCase.m_result, result);
@ -60,7 +60,7 @@ TEST(UriParserTest, MinimalPort) {
}
TEST(UriParserTest, MinimalPath) {
const UriTestCase testCase("x://y/", "x", "y", -1, "/");
const UriTestCase testCase("x://y/", "x", "y", llvm::None, "/");
VALIDATE
}
@ -70,7 +70,8 @@ TEST(UriParserTest, MinimalPortPath) {
}
TEST(UriParserTest, LongPath) {
const UriTestCase testCase("x://y/abc/def/xyz", "x", "y", -1, "/abc/def/xyz");
const UriTestCase testCase("x://y/abc/def/xyz", "x", "y", llvm::None,
"/abc/def/xyz");
VALIDATE
}
@ -92,7 +93,7 @@ TEST(UriParserTest, BracketedHostnamePort) {
"192.168.100.132", 5432, "/");
llvm::StringRef scheme(kAsdf);
llvm::StringRef hostname(kAsdf);
int port(1138);
llvm::Optional<uint16_t> port(1138);
llvm::StringRef path(kAsdf);
bool result = UriParser::Parse(testCase.m_uri, scheme, hostname, port, path);
EXPECT_EQ(testCase.m_result, result);
@ -105,14 +106,14 @@ TEST(UriParserTest, BracketedHostnamePort) {
TEST(UriParserTest, BracketedHostname) {
const UriTestCase testCase("connect://[192.168.100.132]", "connect",
"192.168.100.132", -1, "/");
"192.168.100.132", llvm::None, "/");
VALIDATE
}
TEST(UriParserTest, BracketedHostnameWithPortIPv4) {
// Android device over IPv4: port is a part of the hostname.
const UriTestCase testCase("connect://[192.168.100.132:1234]", "connect",
"192.168.100.132:1234", -1, "/");
"192.168.100.132:1234", llvm::None, "/");
VALIDATE
}
@ -120,7 +121,7 @@ TEST(UriParserTest, BracketedHostnameWithPortIPv6) {
// Android device over IPv6: port is a part of the hostname.
const UriTestCase testCase(
"connect://[[2601:600:107f:db64:a42b:4faa:284]:1234]", "connect",
"[2601:600:107f:db64:a42b:4faa:284]:1234", -1, "/");
"[2601:600:107f:db64:a42b:4faa:284]:1234", llvm::None, "/");
VALIDATE
}