// Rename a file
void SimpleShell::mv_command( string parameters, StreamOutput *stream )
{
string from = absolute_from_relative(shift_parameter( parameters ));
string to = absolute_from_relative(shift_parameter(parameters));
int s = rename(from.c_str(), to.c_str());
if (s != 0) stream->printf("Could not rename %s to %s\r\n", from.c_str(), to.c_str());
else stream->printf("renamed %s to %s\r\n", from.c_str(), to.c_str());
}
// saves the specified config-override file
void SimpleShell::save_command( string parameters, StreamOutput *stream )
{
// Get parameters ( filename )
string filename = absolute_from_relative(parameters);
if(filename == "/") {
filename = THEKERNEL->config_override_filename();
}
THEKERNEL->conveyor->wait_for_empty_queue(); //just to be safe as it can take a while to run
//remove(filename.c_str()); // seems to cause a hang every now and then
{
FileStream fs(filename.c_str());
fs.printf("; DO NOT EDIT THIS FILE\n");
// this also will truncate the existing file instead of deleting it
}
// stream that appends to file
AppendFileStream *gs = new AppendFileStream(filename.c_str());
// if(!gs->is_open()) {
// stream->printf("Unable to open File %s for write\n", filename.c_str());
// return;
// }
__disable_irq();
// issue a M500 which will store values in the file stream
Gcode *gcode = new Gcode("M500", gs);
THEKERNEL->call_event(ON_GCODE_RECEIVED, gcode );
delete gs;
delete gcode;
__enable_irq();
stream->printf("Settings Stored to %s\r\n", filename.c_str());
}
// loads the specified config-override file
void SimpleShell::load_command( string parameters, StreamOutput *stream )
{
// Get parameters ( filename )
string filename = absolute_from_relative(parameters);
if(filename == "/") {
filename = THEKERNEL->config_override_filename();
}
FILE *fp = fopen(filename.c_str(), "r");
if(fp != NULL) {
char buf[132];
stream->printf("Loading config override file: %s...\n", filename.c_str());
while(fgets(buf, sizeof buf, fp) != NULL) {
stream->printf(" %s", buf);
if(buf[0] == ';') continue; // skip the comments
struct SerialMessage message = {&(StreamOutput::NullStream), buf};
THEKERNEL->call_event(ON_CONSOLE_LINE_RECEIVED, &message);
}
stream->printf("config override file executed\n");
fclose(fp);
} else {
stream->printf("File not found: %s\n", filename.c_str());
}
}
// Change current absolute path to provided path
void SimpleShell::cd_command( string parameters, StreamOutput *stream )
{
string folder = absolute_from_relative( parameters );
DIR *d;
d = opendir(folder.c_str());
if (d == NULL) {
stream->printf("Could not open directory %s \r\n", folder.c_str() );
} else {
THEKERNEL->current_path = folder;
closedir(d);
}
}
// Play a gcode file by considering each line as if it was received on the serial console
void Player::play_command( string parameters, StreamOutput *stream )
{
// extract any options from the line and terminate the line there
string options= extract_options(parameters);
// Get filename which is the entire parameter line upto any options found or entire line
this->filename = absolute_from_relative(parameters);
if(this->playing_file || this->suspended) {
stream->printf("Currently printing, abort print first\r\n");
return;
}
if(this->current_file_handler != NULL) { // must have been a paused print
fclose(this->current_file_handler);
}
this->current_file_handler = fopen( this->filename.c_str(), "r");
if(this->current_file_handler == NULL) {
stream->printf("File not found: %s\r\n", this->filename.c_str());
return;
}
stream->printf("Playing %s\r\n", this->filename.c_str());
this->playing_file = true;
// Output to the current stream if we were passed the -v ( verbose ) option
if( options.find_first_of("Vv") == string::npos ) {
this->current_stream = nullptr;
} else {
// we send to the kernels stream as it cannot go away
this->current_stream = THEKERNEL->streams;
}
// get size of file
int result = fseek(this->current_file_handler, 0, SEEK_END);
if (0 != result) {
stream->printf("WARNING - Could not get file size\r\n");
file_size = 0;
} else {
file_size = ftell(this->current_file_handler);
fseek(this->current_file_handler, 0, SEEK_SET);
stream->printf(" File size %ld\r\n", file_size);
}
this->played_cnt = 0;
this->elapsed_secs = 0;
}
void SimpleShell::md5sum_command( string parameters, StreamOutput *stream )
{
string filename = absolute_from_relative(parameters);
// Open file
FILE *lp = fopen(filename.c_str(), "r");
if (lp == NULL) {
stream->printf("File not found: %s\r\n", filename.c_str());
return;
}
MD5 md5;
uint8_t buf[64];
do {
size_t n= fread(buf, 1, sizeof buf, lp);
if(n > 0) md5.update(buf, n);
THEKERNEL->call_event(ON_IDLE);
} while(!feof(lp));
stream->printf("%s %s\n", md5.finalize().hexdigest().c_str(), filename.c_str());
fclose(lp);
}
// Act upon an ls command
// Convert the first parameter into an absolute path, then list the files in that path
void SimpleShell::ls_command( string parameters, StreamOutput *stream )
{
string path, opts;
while(!parameters.empty()) {
string s = shift_parameter( parameters );
if(s.front() == '-') {
opts.append(s);
} else {
path = s;
if(!parameters.empty()) {
path.append(" ");
path.append(parameters);
}
break;
}
}
path = absolute_from_relative(path);
DIR *d;
struct dirent *p;
d = opendir(path.c_str());
if (d != NULL) {
while ((p = readdir(d)) != NULL) {
stream->printf("%s", lc(string(p->d_name)).c_str());
if(p->d_isdir) {
stream->printf("/");
} else if(opts.find("-s", 0, 2) != string::npos) {
stream->printf(" %d", p->d_fsize);
}
stream->printf("\r\n");
}
closedir(d);
} else {
stream->printf("Could not open directory %s\r\n", path.c_str());
}
}
void SimpleShell::upload_command( string parameters, StreamOutput *stream )
{
// this needs to be a hack. it needs to read direct from serial and not allow on_main_loop run until done
// NOTE this will block all operation until the upload is complete, so do not do while printing
if(!THEKERNEL->conveyor->is_queue_empty()) {
stream->printf("upload not allowed while printing or busy\n");
return;
}
// open file to upload to
string upload_filename = absolute_from_relative( parameters );
FILE *fd = fopen(upload_filename.c_str(), "w");
if(fd != NULL) {
stream->printf("uploading to file: %s, send control-D or control-Z to finish\r\n", upload_filename.c_str());
} else {
stream->printf("failed to open file: %s.\r\n", upload_filename.c_str());
return;
}
int cnt = 0;
bool uploading = true;
while(uploading) {
if(!stream->ready()) {
// we need to kick things or they die
THEKERNEL->call_event(ON_IDLE);
continue;
}
char c = stream->_getc();
if( c == 4 || c == 26) { // ctrl-D or ctrl-Z
uploading = false;
// close file
fclose(fd);
stream->printf("uploaded %d bytes\n", cnt);
return;
} else {
// write character to file
cnt++;
if(fputc(c, fd) != c) {
// error writing to file
stream->printf("error writing to file. ignoring all characters until EOF\r\n");
fclose(fd);
fd = NULL;
uploading= false;
} else {
if ((cnt%400) == 0) {
// HACK ALERT to get around fwrite corruption close and re open for append
fclose(fd);
fd = fopen(upload_filename.c_str(), "a");
// we need to kick things or they die
THEKERNEL->call_event(ON_IDLE);
}
}
}
}
// we got an error so ignore everything until EOF
char c;
do {
if(stream->ready()) {
c= stream->_getc();
}else{
THEKERNEL->call_event(ON_IDLE);
c= 0;
}
} while(c != 4 && c != 26);
}
// Output the contents of a file, first parameter is the filename, second is the limit ( in number of lines to output )
void SimpleShell::cat_command( string parameters, StreamOutput *stream )
{
// Get parameters ( filename and line limit )
string filename = absolute_from_relative(shift_parameter( parameters ));
string limit_parameter = shift_parameter( parameters );
int limit = -1;
int delay= 0;
bool send_eof= false;
if ( limit_parameter == "-d" ) {
string d= shift_parameter( parameters );
char *e = NULL;
delay = strtol(d.c_str(), &e, 10);
if (e <= d.c_str()) {
delay = 0;
} else {
send_eof= true; // we need to terminate file send with an eof
}
}else if ( limit_parameter != "" ) {
char *e = NULL;
limit = strtol(limit_parameter.c_str(), &e, 10);
if (e <= limit_parameter.c_str())
limit = -1;
}
// we have been asked to delay before cat, probably to allow time to issue upload command
if(delay > 0) {
safe_delay(delay*1000);
}
// Open file
FILE *lp = fopen(filename.c_str(), "r");
if (lp == NULL) {
stream->printf("File not found: %s\r\n", filename.c_str());
return;
}
string buffer;
int c;
int newlines = 0;
int linecnt = 0;
// Print each line of the file
while ((c = fgetc (lp)) != EOF) {
buffer.append((char *)&c, 1);
if ( c == '\n' || ++linecnt > 80) {
if(c == '\n') newlines++;
stream->puts(buffer.c_str());
buffer.clear();
if(linecnt > 80) linecnt = 0;
// we need to kick things or they die
THEKERNEL->call_event(ON_IDLE);
}
if ( newlines == limit ) {
break;
}
};
fclose(lp);
if(send_eof) {
stream->puts("\032"); // ^Z terminates the upload
}
}
// Delete a file
void SimpleShell::rm_command( string parameters, StreamOutput *stream )
{
const char *fn = absolute_from_relative(shift_parameter( parameters )).c_str();
int s = remove(fn);
if (s != 0) stream->printf("Could not delete %s \r\n", fn);
}