ios: device debugging

switched to using a relay server

Change-Id: Ic3ddb48b818fa43894314f7fbaf9d7780fc01ade
Reviewed-by: hjk <hjk121@nokiamail.com>
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@digia.com>
This commit is contained in:
Fawzi Mohamed
2013-10-29 22:25:41 +01:00
parent 8429f1744b
commit b39f26e856
12 changed files with 280 additions and 420 deletions

View File

@@ -38,26 +38,34 @@
#include <QFile>
#include <QMapIterator>
#include <QScopedArrayPointer>
#include <QTcpServer>
#include <QSocketNotifier>
#include <QTcpSocket>
#include "iosdevicemanager.h"
#include <sys/types.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#ifdef Q_OS_UNIX
#include <unistd.h>
#include <fcntl.h>
#endif
static const bool debugGdbEchoServer = false;
class IosTool: public QObject {
Q_OBJECT
public:
IosTool(QObject *parent = 0);
virtual ~IosTool();
void run(const QStringList &args);
void doExit(int errorCode = 0);
void writeMsg(const char *msg);
void writeMsg(const QString &msg);
void stopXml(int errorCode);
public slots:
private slots:
void isTransferringApp(const QString &bundlePath, const QString &deviceId, int progress,
const QString &info);
void didTransferApp(const QString &bundlePath, const QString &deviceId,
@@ -67,15 +75,27 @@ public slots:
void deviceInfo(const QString &deviceId, const Ios::IosDeviceManager::Dict &info);
void appOutput(const QString &output);
void errorMsg(const QString &msg);
void handleNewConnection();
void handleGdbServerSocketHasData(int socket);
void handleCreatorHasData();
void handleCreatorHasError(QAbstractSocket::SocketError error);
private:
bool startServer();
void stopGdbServer(int errorCode = 0);
int maxProgress;
int opLeft;
bool debug;
bool ipv6;
bool inAppOutput;
bool splitAppOutput; // as QXmlStreamReader reports the text attributes atomically it is better to split
Ios::IosDeviceManager::AppOp appOp;
QFile outFile;
QXmlStreamWriter out;
int gdbFileDescriptor;
QTcpSocket *creatorSocket;
QSocketNotifier *gdbServerNotifier;
QTcpServer gdbServer;
};
IosTool::IosTool(QObject *parent):
@@ -83,11 +103,15 @@ IosTool::IosTool(QObject *parent):
maxProgress(0),
opLeft(0),
debug(false),
ipv6(false),
inAppOutput(false),
splitAppOutput(true),
appOp(Ios::IosDeviceManager::Install),
outFile(),
out(&outFile)
out(&outFile),
gdbFileDescriptor(-1),
creatorSocket(0),
gdbServerNotifier(0)
{
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
outFile.open(stdout, QIODevice::WriteOnly, QFile::DontCloseHandle);
@@ -98,6 +122,12 @@ IosTool::IosTool(QObject *parent):
out.setCodec("UTF-8");
}
IosTool::~IosTool()
{
delete creatorSocket; // not strictly required
delete gdbServerNotifier; // not strictly required
}
void IosTool::run(const QStringList &args)
{
Ios::IosDeviceManager *manager = Ios::IosDeviceManager::instance();
@@ -128,6 +158,8 @@ void IosTool::run(const QStringList &args)
appOp = Ios::IosDeviceManager::AppOp(appOp | Ios::IosDeviceManager::Install);
} else if (arg == QLatin1String("-run")) {
appOp = Ios::IosDeviceManager::AppOp(appOp | Ios::IosDeviceManager::Run);
} else if (arg == QLatin1String("-ipv6")) {
ipv6 = true;
} else if (arg == QLatin1String("-debug")) {
appOp = Ios::IosDeviceManager::AppOp(appOp | Ios::IosDeviceManager::Run);
debug = true;
@@ -229,68 +261,6 @@ void IosTool::isTransferringApp(const QString &bundlePath, const QString &device
outFile.flush();
}
#ifndef CMSG_SPACE
size_t CMSG_SPACE(size_t len) {
msghdr msg;
cmsghdr cmsg;
msg.msg_control = &cmsg;
msg.msg_controllen = ~socklen_t(0); /* To maximize the chance that CMSG_NXTHDR won't return NULL */
cmsg.cmsg_len = CMSG_LEN(len);
return reinterpret_cast<unsigned char *>(CMSG_NXTHDR(&msg, &cmsg)) - reinterpret_cast<unsigned char *>(&cmsg);
}
#endif
int send_fd(int socket, int fd_to_send)
{
/* storage space needed for an ancillary element with a paylod of length is CMSG_SPACE(sizeof(length)) */
size_t dimAncillaryBuffer = CMSG_SPACE(sizeof(int));
QScopedArrayPointer<char> ancillary_element_buffer(new char[dimAncillaryBuffer]);
int available_ancillary_element_buffer_space;
/* at least one vector of one byte must be sent */
char message_buffer[1];
message_buffer[0] = '.';
iovec io_vector[1];
io_vector[0].iov_base = message_buffer;
io_vector[0].iov_len = 1;
/* initialize socket message */
msghdr socket_message;
memset(&socket_message, 0, sizeof(msghdr));
socket_message.msg_iov = io_vector;
socket_message.msg_iovlen = 1;
/* provide space for the ancillary data */
available_ancillary_element_buffer_space = dimAncillaryBuffer;
memset(ancillary_element_buffer.data(), 0, available_ancillary_element_buffer_space);
socket_message.msg_control = ancillary_element_buffer.data();
socket_message.msg_controllen = available_ancillary_element_buffer_space;
/* initialize a single ancillary data element for fd passing */
cmsghdr *control_message = NULL;
control_message = CMSG_FIRSTHDR(&socket_message);
control_message->cmsg_level = SOL_SOCKET;
control_message->cmsg_type = SCM_RIGHTS;
control_message->cmsg_len = CMSG_LEN(sizeof(int));
*((int *) CMSG_DATA(control_message)) = fd_to_send;
qptrdiff res = sendmsg(socket, &socket_message, 0);
while (true) {
qptrdiff nRead = recv(socket, &message_buffer[0], 1, MSG_WAITALL);
if (nRead == -1) {
if (errno == EINTR)
continue;
qDebug() << "wait in send_fd failed " << qt_error_string(errno);
sleep(4);
return res;
}
if (nRead == 1)
break;
}
return res;
}
void IosTool::didTransferApp(const QString &bundlePath, const QString &deviceId,
Ios::IosDeviceManager::OpStatus status)
{
@@ -326,7 +296,7 @@ void IosTool::didStartApp(const QString &bundlePath, const QString &deviceId,
QLatin1String("FAILURE"));
//out.writeCharacters(QString()); // trigger a complete closing of the empty element
outFile.flush();
if (appOp == Ios::IosDeviceManager::Install) {
if (status != Ios::IosDeviceManager::Success || appOp == Ios::IosDeviceManager::Install) {
doExit();
return;
}
@@ -341,14 +311,14 @@ void IosTool::didStartApp(const QString &bundlePath, const QString &deviceId,
return;
}
if (debug) {
stopXml(0);
// these are 67 characters, this is used as read size on the other side...
const char *msg = "Now sending the gdbserver socket, will need a unix socket to succeed";
outFile.write(msg, strlen(msg));
gdbFileDescriptor=gdbFd;
if (!startServer()) {
doExit(-4);
return;
}
out.writeTextElement(QLatin1String("gdb_server_port"),
QString::number(gdbServer.serverPort()));
outFile.flush();
int sent = send_fd(1, gdbFd);
sleep(1);
QCoreApplication::exit(sent == -1);
} else {
if (!splitAppOutput) {
out.writeStartElement(QLatin1String("app_output"));
@@ -410,6 +380,160 @@ void IosTool::errorMsg(const QString &msg)
writeMsg(msg + QLatin1Char('\n'));
}
void IosTool::handleNewConnection()
{
if (creatorSocket) {
gdbServer.close();
QTcpSocket *s = gdbServer.nextPendingConnection();
delete s;
return;
}
creatorSocket = gdbServer.nextPendingConnection();
connect(creatorSocket, SIGNAL(readyRead()), SLOT(handleCreatorHasData()));
connect(creatorSocket, SIGNAL(error(QAbstractSocket::SocketError)),
SLOT(handleCreatorHasError(QAbstractSocket::SocketError)));
gdbServerNotifier = new QSocketNotifier(gdbFileDescriptor, QSocketNotifier::Read, this);
connect(gdbServerNotifier, SIGNAL(activated(int)), SLOT(handleGdbServerSocketHasData(int)));
gdbServer.close();
}
void IosTool::handleGdbServerSocketHasData(int socket)
{
gdbServerNotifier->setEnabled(false);
char buf[255];
while (true) {
qptrdiff rRead = read(socket, &buf, sizeof(buf)-1);
if (rRead == -1) {
if (errno == EINTR)
continue;
if (errno == EAGAIN) {
gdbServerNotifier->setEnabled(true);
return;
}
errorMsg(qt_error_string(errno));
close(socket);
stopGdbServer(-1);
return;
}
if (rRead == 0) {
stopGdbServer(0);
return;
}
if (debugGdbEchoServer) {
writeMsg("gdbServerReplies:");
buf[rRead] = 0;
writeMsg(buf);
}
qint64 pos = 0;
while (true) {
qint64 writtenNow = creatorSocket->write(buf + int(pos), rRead);
if (writtenNow == -1) {
writeMsg(creatorSocket->errorString());
stopGdbServer(-1);
return;
}
if (writtenNow < rRead) {
pos += writtenNow;
rRead -= qptrdiff(writtenNow);
} else {
break;
}
}
}
}
void IosTool::stopGdbServer(int errorCode)
{
if (debugGdbEchoServer)
writeMsg("gdbServerStops");
if (!creatorSocket)
return;
if (gdbFileDescriptor > 0) {
::close(gdbFileDescriptor);
gdbFileDescriptor = -1;
if (gdbServerNotifier)
delete gdbServerNotifier;
}
if (creatorSocket->isOpen())
creatorSocket->close();
delete creatorSocket;
doExit(errorCode);
}
void IosTool::handleCreatorHasData()
{
char buf[255];
while (true) {
qint64 toRead = creatorSocket->bytesAvailable();
if (qint64(sizeof(buf)-1) < toRead)
toRead = sizeof(buf)-1;
qint64 rRead = creatorSocket->read(buf, toRead);
if (rRead == -1) {
errorMsg(creatorSocket->errorString());
stopGdbServer();
return;
}
if (rRead == 0) {
if (!creatorSocket->isOpen())
stopGdbServer();
return;
}
int pos = 0;
int irep = 0;
if (debugGdbEchoServer) {
writeMsg("sendToGdbServer:");
buf[rRead] = 0;
writeMsg(buf);
}
while (true) {
qptrdiff written = write(gdbFileDescriptor, buf + pos, rRead);
if (written == -1) {
if (errno == EINTR)
continue;
if (errno == EAGAIN) {
if (++irep > 10) {
sleep(1);
irep = 0;
}
continue;
}
errorMsg(creatorSocket->errorString());
stopGdbServer();
return;
}
if (written == 0) {
stopGdbServer();
return;
}
if (written < rRead) {
pos += written;
rRead -= written;
} else {
break;
}
}
}
}
void IosTool::handleCreatorHasError(QAbstractSocket::SocketError error)
{
errorMsg(tr("Ios Debugging connection to creator failed with error %1").arg(error));
stopGdbServer();
}
bool IosTool::startServer()
{
if (gdbFileDescriptor <= 0 || gdbServer.isListening() || creatorSocket != 0)
return false;
fcntl(gdbFileDescriptor, F_SETFL, fcntl(gdbFileDescriptor, F_GETFL, 0) | O_NONBLOCK);
gdbServer.setMaxPendingConnections(1);
connect(&gdbServer, SIGNAL(newConnection()), SLOT(handleNewConnection()));
if (ipv6)
return gdbServer.listen(QHostAddress(QHostAddress::LocalHostIPv6), 0);
else
return gdbServer.listen(QHostAddress(QHostAddress::LocalHost), 0);
}
int main(int argc, char *argv[])
{