Introduce rawIO in the IOLayer

This is needed because ?-modem does not like buffered
IO at all and we at least double buffered it
While sz_transfer is now dead
we've filetransfer which is using DirectIO between IOLayer
and the SZ
IOSerial got adjusted to the rawIO introduction

7 files changed, 212 insertions, 107 deletions

diff --git a/noncore/apps/opie-console/filetransfer.cpp b/noncore/apps/opie-console/filetransfer.cpp
new file mode 100644
index 0000000..78982bd
--- a/dev/null
+++ b/noncore/apps/opie-console/filetransfer.cpp
@@ -0,0 +1,142 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <qcstring.h>
+#include <qsocketnotifier.h>
+
+#include <opie/oprocess.h>
+
+#include "filetransfer.h"
+
+bool FileTransfer::terminate = false;
+pid_t FileTransfer::m_pid;
+
+FileTransfer::FileTransfer( Type t, IOLayer* lay )
+    : FileTransferLayer( lay ), m_type( t ) {
+    signal( SIGCHLD, signal_handler );
+}
+FileTransfer::~FileTransfer() {
+}
+
+/**
+ * now we will send the file.
+ *
+ * we request an fd. The IOLayer should be closed
+ * then we will setup a pipe for progress communication
+ * then we will dup2 the m_fd in the forked process
+ * to do direct IO from and to the fd
+ */
+void FileTransfer::sendFile( const QString& file ) {
+    m_fd = layer()->rawIO();
+//
+//    m_fd = ::open("/dev/ttyS0", O_RDWR);
+
+
+    if ( pipe( m_comm ) < 0 )
+        m_comm[0] = m_comm[1] = 0;
+    if ( pipe( m_info ) < 0 )
+        m_info[0] = m_info[1] = 0;
+
+    qWarning("output:"+file );
+    m_pid = fork();
+    switch( m_pid ) {
+    case 0:{
+        setupChild();
+        /* exec */
+        char* verbose = "-vv";
+        char* binray = "-b";
+
+
+        /* we should never return from here */
+        execlp("sz", "sz", verbose, binray, file.latin1(), NULL );
+
+        /* communication for error!*/
+        char resultByte =1;
+        if (m_info[1] )
+            write(m_info[1], &resultByte, 1 );
+        _exit( -1 );
+        break;
+    }
+    default:{
+        if ( m_info[1] )
+            close( m_info[1] );
+        if ( m_info[0] ) for (;;) {
+            char resultByte; int len;
+            len = read(m_info[0], &resultByte, 1 );
+            /* len == 1 start up failed */
+            if ( len == 1 )
+                return;
+            if ( len == -1 )
+                if ( (errno == ECHILD ) || (errno == EINTR ) )
+                    continue;
+
+            // len == 0 or something like this
+            break;
+        }
+        if ( m_info[0] )
+            close( m_info[0] );
+
+        terminate = false;
+        fd_set fds;
+        struct timeval timeout;
+        int sel;
+
+        /* replace by QSocketNotifier!!! */
+        while (!terminate) {
+            FD_ZERO( &fds );
+            FD_SET( m_comm[0], &fds );
+            sel = select( m_comm[0]+1, &fds, NULL, NULL, &timeout );
+            if (sel ) {
+                if ( FD_ISSET(m_comm[0], &fds ) ) {
+                    printf("out:");
+                    QByteArray ar(4096);
+                    int len = read(m_comm[0], ar.data(), 4096 );
+                    for (int i = 0; i < len; i++ ) {
+                        // printf("%c", ar[i] );
+                    }
+                    printf("\n");
+                }
+            }
+        }
+        break;
+    }
+    }
+}
+void FileTransfer::sendFile( const QFile& file ) {
+    sendFile( file.name() );
+}
+void FileTransfer::signal_handler(int ) {
+    int status;
+    signal( SIGCHLD, signal_handler );
+    waitpid( m_pid, &status, WNOHANG );
+    terminate = true;
+}
+void FileTransfer::setupChild() {
+    /*
+     * we do not want to read from our
+     * information channel
+     */
+    if (m_info[0] )
+        close(m_info[0] );
+    /*
+     * FD_CLOEXEC will close the
+     * fd on successfull exec
+     */
+    if (m_info[1] )
+        fcntl(m_info[1], F_SETFD, FD_CLOEXEC );
+
+    if (m_comm[0] )
+        close( m_comm[0] );
+    /*
+     * now set the communication
+     * m_fd STDIN_FILENO
+     *      STDOUT_FILENO
+     *      STDERR_FILENO
+     */
+    dup2( m_fd, STDIN_FILENO );
+    dup2( m_fd, STDOUT_FILENO );
+    dup2( m_comm[1], STDERR_FILENO );
+}
diff --git a/noncore/apps/opie-console/filetransfer.h b/noncore/apps/opie-console/filetransfer.h
new file mode 100644
index 0000000..06c6d12
--- a/dev/null
+++ b/noncore/apps/opie-console/filetransfer.h
@@ -0,0 +1,38 @@
+#ifndef OPIE_FILE_TRANSFER_H
+#define OPIE_FILE_TRANSFER_H
+
+#include <sys/types.h>
+
+#include <qfile.h>
+
+#include "file_layer.h"
+
+class QSocketNotifier;
+class OProcess;
+class FileTransfer : public FileTransferLayer{
+    Q_OBJECT
+public:
+    enum Type {
+        SZ = 0,
+        SX,
+        SY
+    };
+    FileTransfer( Type t, IOLayer* );
+    ~FileTransfer();
+
+    void sendFile( const QString& file );
+    void sendFile( const QFile& );
+
+private slots:
+    void setupChild();
+private:
+    static pid_t m_pid;
+    int m_fd;
+    int m_info[2];
+    int m_comm[2];
+    Type m_type;
+    static void signal_handler(int);
+    static bool terminate;
+};
+
+#endif
diff --git a/noncore/apps/opie-console/io_layer.cpp b/noncore/apps/opie-console/io_layer.cpp
index 563a252..79d47f5 100644
--- a/noncore/apps/opie-console/io_layer.cpp
+++ b/noncore/apps/opie-console/io_layer.cpp
@@ -11,4 +11,7 @@ IOLayer::IOLayer(const Profile &)
 }
 
 IOLayer::~IOLayer() {
 }
+int IOLayer::rawIO()const{
+    return -1;
+}
diff --git a/noncore/apps/opie-console/io_layer.h b/noncore/apps/opie-console/io_layer.h
index b891b2b..7745021 100644
--- a/noncore/apps/opie-console/io_layer.h
+++ b/noncore/apps/opie-console/io_layer.h
@@ -48,8 +48,15 @@ public:
     /**
      * a short name
      */
     virtual QString name() const = 0;
+
+    /**
+     * a file descriptor which opens
+     * the device for io but does not
+     * do any ioctling on it...
+     */
+    virtual int rawIO()const;
 signals:
     /**
      * received input as QCString
      */
diff --git a/noncore/apps/opie-console/io_serial.cpp b/noncore/apps/opie-console/io_serial.cpp
index 929aeff..845f4be 100644
--- a/noncore/apps/opie-console/io_serial.cpp
+++ b/noncore/apps/opie-console/io_serial.cpp
@@ -156,9 +156,9 @@ void IOSerial::errorOccured() {
     close();
 }
 
 void IOSerial::dataArrived() {
-    QByteArray array(4096);
+    QByteArray array(4097);
 
     int len = read(m_fd, array.data(), 4096);
     if (len == 0)
         close();
@@ -174,4 +174,9 @@ QString IOSerial::identifier() const {
 
 QString IOSerial::name() const {
     return "RS232 Serial IO Layer";
 }
+int IOSerial::rawIO()const {
+    int fd = ::open(m_device, O_RDWR  );
+
+    return fd;
+};
diff --git a/noncore/apps/opie-console/io_serial.h b/noncore/apps/opie-console/io_serial.h
index 521dac6..00a6d2c 100644
--- a/noncore/apps/opie-console/io_serial.h
+++ b/noncore/apps/opie-console/io_serial.h
@@ -34,8 +34,9 @@ public:
     ~IOSerial();
 
     QString identifier() const;
     QString name() const;
+    int rawIO()const;
 signals:
     void received(const QByteArray &);
     void error(int, const QString &);
 public slots:
diff --git a/noncore/apps/opie-console/sz_transfer.cpp b/noncore/apps/opie-console/sz_transfer.cpp
index 41917c0..0a315cf 100644
--- a/noncore/apps/opie-console/sz_transfer.cpp
+++ b/noncore/apps/opie-console/sz_transfer.cpp
@@ -4,104 +4,8 @@
 #include <opie/oprocess.h>
 #include <stdio.h>
 #include <sys/termios.h>
 
-/* following function ripped out of minicom's sysdep2.c */
-
-
-/*
- * Set cbreak mode.
- * Mode 0 = normal.
- * Mode 1 = cbreak, no echo
- * Mode 2 = raw, no echo.
- * Mode 3 = only return erasechar (for wkeys.c)
- *
- * Returns: the current erase character.
- */  
-
-static struct termios savetty;
-int setcbreak(int mode)
-{
-#if 1
-  struct termios tty;
-  static int init = 0;
-  static int erasechar;
-
-
-  if (init == 0) {
-	tcgetattr(0, &savetty);
-	erasechar = savetty.c_cc[VERASE];
-	init++;
-  }
-
-  if (mode == 3) return(erasechar);
-
-
-
-  /* Always return to default settings first */
-  tcsetattr(0, TCSADRAIN, &savetty);
-
-  if (mode == 0) {
-  	return(erasechar);
-  }
-
-  tcgetattr(0, &tty);
-  if (mode == 1) {
-	tty.c_oflag &= ~OPOST;
-	tty.c_lflag &= ~(XCASE|ECHONL|NOFLSH);
-  	tty.c_lflag &= ~(ICANON | ISIG | ECHO);
-	tty.c_iflag &= ~(ICRNL|INLCR);
-  	tty.c_cflag |= CREAD;
-  	tty.c_cc[VTIME] = 5;
-  	tty.c_cc[VMIN] = 1;
-  }
-  if (mode == 2) { /* raw */
-  	tty.c_iflag &= ~(IGNBRK | IGNCR | INLCR | ICRNL | IUCLC | 
-  		IXANY | IXON | IXOFF | INPCK | ISTRIP);
-  	tty.c_iflag |= (BRKINT | IGNPAR);
-	tty.c_oflag &= ~OPOST;
-	tty.c_lflag &= ~(XCASE|ECHONL|NOFLSH);
-  	tty.c_lflag &= ~(ICANON | ISIG | ECHO);
-  	tty.c_cflag |= CREAD;
-  	tty.c_cc[VTIME] = 5;
-  	tty.c_cc[VMIN] = 1;
-  }	
-  tcsetattr(0, TCSADRAIN, &tty);
-  return(erasechar);
-#else
-  struct sgttyb args;
-  static int init = 0;
-  static int erasechar;
-  
-  if (init == 0) {
-	(void) ioctl(0, TIOCGETP, &savetty);
-	(void) ioctl(0, TIOCGETC, &savetty2);
-	erasechar = savetty.sg_erase;
-	init++;
-  }
-
-  if (mode == 3) return(erasechar);
-
-  if (mode == 0) {
-  	(void) ioctl(0, TIOCSETP, &savetty);
-	(void) ioctl(0, TIOCSETC, &savetty2);
-  	return(erasechar);
-  }
-
-  (void) ioctl(0, TIOCGETP, &args);
-  if (mode == 1) {
-	args.sg_flags |= CBREAK;
-	args.sg_flags &= ~(ECHO|RAW);
-  }
-  if (mode == 2) {
-  	args.sg_flags |= RAW;
-  	args.sg_flags &= ~(ECHO|CBREAK);
-  }
-  (void) ioctl(0, TIOCSETP, &args);
-  return(erasechar);
-#endif
-
-}
 
 
 SzTransfer::SzTransfer(Type t, IOLayer *layer) : FileTransferLayer(layer), m_t(t)
 {
@@ -120,12 +24,12 @@ void SzTransfer::sendFile(const QString& file) {
     //setcbreak(2); /* raw no echo */
 
     proc = new OProcess;
     *proc << "sz";
-    *proc << "-v" << "-v" << "-v" << "-b" << file;
-    connect(proc, SIGNAL(processExited(OProcess *)), 
+    *proc << "-v" << "-v" << "-b" << file;
+    connect(proc, SIGNAL(processExited(OProcess *)),
             this, SLOT(sent()));
-    connect(proc, SIGNAL(receivedStdout(OProcess *, char *, int)), 
+    connect(proc, SIGNAL(receivedStdout(OProcess *, char *, int)),
             this, SLOT(SzReceivedStdout(OProcess *, char *, int)));
     connect(proc, SIGNAL(receivedStderr(OProcess *, char *, int)),
             this, SLOT(SzReceivedStderr(OProcess *, char *, int)));
     connect(layer(), SIGNAL(received(const QByteArray &)),
@@ -135,29 +39,34 @@ void SzTransfer::sendFile(const QString& file) {
 }
 
 void SzTransfer::SzReceivedStdout(OProcess *, char *buffer, int buflen) {
 
-    //qWarning("recieved from sz %d bytes", buflen);
+    qWarning("recieved from sz on stdout %d bytes", buflen);
 
     QByteArray data(buflen);
     data.fill(*buffer, buflen);
+    for (uint i = 0; i < data.count(); i++ ) {
+        printf("%c", buffer[i] );
+    }
+    printf("\n");
 
     // send out through the io layer
-    (layer())->send(data);
+    layer()->send(data);
 }
 
 void SzTransfer::SzReceivedStderr(OProcess *, char *buffer, int length) {
 
     // parse and show data in a progress dialog/widget
-    printf("\n");
-    for (int i = 0; i < length; i++)
-        printf("%c", buffer[i]);
+    printf("stderr:\n");
+    //for (int i = 0; i < length; i++)
+    //    printf("%c", buffer[i]);
+    //printf("\n");
 }
 
 void SzTransfer::receivedStdin(const QByteArray &data) {
 
-    //qWarning("recieved from io_serial %d bytes", data.size());
-    
+    qWarning("recieved from io_serial %d bytes", data.size());
+
     // recieved data from the io layer goes to sz
     proc->writeStdin(data.data(), data.size());
 
 }