/** Does a 'get' command. */ private void get(final String[] cmd) throws Exception { int fd = -1; if (cmd.length < 2) { throw new Exception("USAGE: get <path> [local-path]"); } String filename = cmd[1]; if (filename.charAt(0) != '/' && filename.charAt(0) != '\\') { filename = cwd + filename; } String localFilename = null; if (cmd.length > 2) { localFilename = cmd[2]; } else { localFilename = (new java.io.File(filename)).getName(); } byte[] pathBytes = filename.getBytes(charset); System.arraycopy(serverClient.returnInt(pathBytes.length), 0, serverClient.cmdOpen, 0, 4); out.write(serverClient.cmdOpen, 0, 9); out.write(pathBytes); out.flush(); String response = serverClient.readCommandString(); if (response.equals(serverClient.OPEN)) { fd = serverClient.getCode(); if (fd < 0) System.out.println("Open returned: " + fd); } else { throw new Exception("Open returned: " + response + "(" + serverClient.getCode() + ")"); } if (fd >= 0) { download(fd, localFilename); } }
private void reconnect() throws java.net.UnknownHostException, java.io.IOException { clientSocket = new java.net.Socket(serverHostname, serverPortNum); reader = new java.io.BufferedReader(new java.io.InputStreamReader(System.in)); serverClient = new ps2vfs.server.Ps2VfsClient(clientSocket, null); serverClient.initClientCommand(); in = serverClient.getInStream(); out = serverClient.getOutStream(); }
private void close(int fd) throws Exception { int pos = -1; System.arraycopy(serverClient.returnInt(fd), 0, serverClient.cmdClose, 0, 4); out.write(serverClient.cmdClose, 0, 9); out.flush(); String response = serverClient.readCommandString(); if (response.equals(serverClient.CLOSE)) { pos = serverClient.getCode(); if (pos < 0) System.out.println("Close returned: " + pos); } else { throw new Exception("Close returned: " + response + "(" + serverClient.getCode() + ")"); } }
private int read(int fd, byte[] buffer, int offset, int len) throws Exception { int resultLen = 0; System.arraycopy(serverClient.returnInt(fd), 0, serverClient.cmdRead, 0, 4); out.write(serverClient.cmdRead, 0, 9); byte[] data = new byte[4]; System.arraycopy(serverClient.returnInt(len), 0, data, 0, 4); out.write(data); out.flush(); String response = serverClient.readCommandString(); if (response.equals(serverClient.READ)) { resultLen = serverClient.getCode(); if (resultLen < 0) System.out.println("Read returned: " + resultLen); } else { throw new Exception("Read returned: " + response + "(" + serverClient.getCode() + ")"); } if (resultLen > 0) in.readFully(buffer, offset, resultLen); /* if(readLen != resultLen) System.out.println("Read returned " + resultLen + ", but only " + readLen + " was actually returned"); */ return resultLen; }
private int seek(int fd, int len, int whence) throws Exception { int pos = -1; System.arraycopy(serverClient.returnInt(fd), 0, serverClient.cmdSeek, 0, 4); out.write(serverClient.cmdSeek, 0, 9); byte[] data = new byte[4 * 2]; System.arraycopy(serverClient.returnInt(len), 0, data, 0, 4); System.arraycopy(serverClient.returnInt(whence), 0, data, 4, 4); out.write(data); out.flush(); String response = serverClient.readCommandString(); if (response.equals(serverClient.SEEK)) { pos = serverClient.getCode(); if (pos < 0) System.out.println("Seek returned: " + pos); } else { throw new Exception("Seek returned: " + response + "(" + serverClient.getCode() + ")"); } return pos; }
/** Does a 'ls' or a 'cd' command. */ private void lsAndCd(final String[] cmd) throws Exception { if (cmd.length < 1) { throw new Exception("USAGE: <cmd>"); } boolean cd = false; if (cmd[0].equalsIgnoreCase("cd")) { cd = true; if (cmd.length < 2) { throw new Exception("USAGE: cd path"); } } String path = cwd; byte[] pathBytes = null; int numEntries = 0; if (cmd.length >= 2) { path = cmd[1]; if (path.equals("..")) { // Looking for parent int parentSep = cwd.lastIndexOf('/'); // System.err.println("cwd:" + cwd + " " + parentSep); if (parentSep > 0) parentSep = cwd.lastIndexOf('/', parentSep - 1); if (parentSep > 0) path = cwd.substring(0, parentSep); else path = "/"; // System.err.println("cwd:" + cwd + " parent: " + path); } if (path.charAt(0) != '/') path = cwd + path; } if (path.equals("/")) { pathBytes = null; } else { String sendPath = path; if (path.charAt(0) == '/') { sendPath = path.substring(1); } // System.err.println("dir of path: " + sendPath); pathBytes = sendPath.getBytes(charset); } int numPathBytes = 0; if (pathBytes != null) { numPathBytes = pathBytes.length; } System.arraycopy(serverClient.returnInt(numPathBytes), 0, serverClient.cmdPwd, 0, 4); out.write(serverClient.cmdPwd, 0, 9); if (numPathBytes != 0) out.write(pathBytes); out.flush(); String response = serverClient.readCommandString(); if (response.equals(serverClient.PWD)) { numEntries = serverClient.getCode(); if (numEntries < 0) System.out.println("PWD returned: " + numEntries); if (cd) { if (numEntries >= 0) { cwd = path; if (!cwd.endsWith("/")) { cwd = cwd + "/"; } } } } else { throw new Exception("PWD returned: " + response + "(" + serverClient.getCode() + ")"); } // Read entry data; if (numEntries >= 0) { byte[] entries = new byte [ps2vfs.server.Ps2VfsClient.maxDirEntrySize * ps2vfs.server.Ps2VfsClient.maxDirEntries]; // Trying short mode first, i.e. read just what we need. int entriesToRead = numEntries + 1; if (entriesToRead > ps2vfs.server.Ps2VfsClient.maxDirEntries) { entriesToRead = ps2vfs.server.Ps2VfsClient.maxDirEntries; } in.readFully(entries, 0, entriesToRead * ps2vfs.server.Ps2VfsClient.maxDirEntrySize); if (!cd) { // Print content. for (int n = 0; n < numEntries; n++) { int entryOffset = n * ps2vfs.server.Ps2VfsClient.maxDirEntrySize; if (entries[entryOffset] == 0xff) { // This is the end marker, so we just end the printing here. break; } boolean isDir = (entries[entryOffset] & 0x02) != 0; int len = ps2vfs.server.Ps2VfsClient.maxDirEntryNameLength; while (entries[entryOffset + len] == 0) len--; String entryName = new String(entries, entryOffset + 1, len); if (isDir) entryName = entryName + "/"; System.out.println(entryName); } } if (in.available() > 0 || !ps2vfs.server.Ps2VfsClient.shortDirMode) { int remainingBytes = (ps2vfs.server.Ps2VfsClient.maxDirEntries - entriesToRead) * ps2vfs.server.Ps2VfsClient.maxDirEntrySize; if (ps2vfs.server.Ps2VfsClient.shortDirMode) { System.err.println("More data available, assuming long mode.... "); } /* System.err.println("Reading remaining overhead " + remainingBytes + "(" + (entriesToRead*ps2vfs.server.Ps2VfsClient.maxDirEntrySize) + "/" + (remainingBytes + entriesToRead*ps2vfs.server.Ps2VfsClient.maxDirEntrySize) + "/" + (ps2vfs.server.Ps2VfsClient.maxDirEntrySize* ps2vfs.server.Ps2VfsClient.maxDirEntries) + ")" + " bytes."); */ if (remainingBytes > 0) in.readFully(entries, 0, remainingBytes); if (ps2vfs.server.Ps2VfsClient.shortDirMode) { System.err.println("Full PWD mode ended."); } } } }
/** Does a 'exit' command. */ private void exit() throws Exception { System.arraycopy(serverClient.returnInt(0), 0, serverClient.cmdExit, 0, 4); out.write(serverClient.cmdExit, 0, 9); out.flush(); }