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cli.cpp
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/*
Copyright (c) 2011, Charles Smith
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this
list of conditions and the following disclaimer in the documentation
and/or
other materials provided with the distribution.
* Neither the name of Vallona Networks nor the names of its contributors
may be used to endorse or promote products derived from this software
without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED
OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// Command Line Interpretor for saratoga
// #include <iostream>
#include "cli.h"
#include "beacon.h"
#include "fileio.h"
#include "globals.h"
#include "ip.h"
#include "request.h"
#include "sarflags.h"
#include "screen.h"
#include "timestamp.h"
#include <cstring>
#include <string>
#include <sys/types.h>
#include <vector>
using namespace std;
// A command has a name, a usage a help and a function to call
namespace saratoga {
// The command line interface flag classes
// these flags and variables are used to set the protocol flags
// default values and running state
// We have a class for each major cli keyword
// The handler is cmd::cmd_keyword
// The cli flags are cli_keyword
// Make sure we have an unsigned int string for stoi conversions
bool
isuint(string s)
{
for (size_t i = 0; i < s.length(); i++)
if (s[i] < '0' || s[i] > '9')
return (false);
return (true);
}
// ********************************************************************************
// * Command line handlers
// ********************************************************************************
bool
cmd::cmd_help()
{
cmds c;
// Print out the full command list
scr.msg(c.print());
return (true);
}
bool
cmd::cmd_exit()
{
std::string::size_type sz; // needed for stoi
if (_args.size() > 2) {
scr.error("ERROR: exit - Invalid number of arguments");
return (false);
}
if (_args.size() == 1) {
scr.info("Goodbye");
c_exit.flag(0);
return (true);
}
if (_args.size() == 2) {
int x = std::stoi(_args[1], &sz);
if (x == 0) {
// Exit gracefully
c_exit.flag(0);
return (true);
}
if (x == 1) {
// Exit with extreme prejudice
c_exit.flag(1);
return (true);
}
scr.error("ERROR: exit - Invalid argument");
c_exit.flag(-1);
return (false);
}
// We never get here
return (false);
}
// Set cli flags for beacons
// return whether to run the beacons or not
bool
cmd::cmd_beacon()
{
cmds c;
string s;
std::string::size_type sz; // needed for stoi
string outstr;
// Show current beacon flag settings
if (_args.size() == 1) {
// Send a single beacon
if (!c_beacon.ready()) {
scr.info("No destination for beacons set");
return (true);
}
s = "Sending beacons to " + c_beacon.print();
scr.info(s);
return (true);
}
// Show usage
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("beacon"));
return (true);
}
// Turn all flags for beacons off
if (_args.size() == 2 && _args[1] == "off") {
// Just clear beacon flags
c_beacon.v4flag(false);
c_beacon.v6flag(false);
c_timer.beacon(0);
c_beacon.zap();
scr.info("Beacons off");
beacontimer = c_timer.beacon(); // mseconds
return (true);
}
size_t startpos = 1;
bool flagset = true;
if (_args[1] == "off") {
flagset = false;
startpos = 2;
}
for (size_t i = startpos; i < _args.size(); i++) {
// We send v4 broadcast beacon
if (_args[i] == "v4") {
c_beacon.v4flag(flagset);
continue;
}
// We send v6 broadcast beacon
if (_args[i] == "v6") {
c_beacon.v6flag(flagset);
continue;
}
// Send the beacon every x msecs
if (isuint(_args[i])) {
if (flagset == false)
c_timer.beacon(0);
else
c_timer.beacon(std::stoi(_args[i], &sz));
beacontimer = c_timer.beacon();
continue;
}
// We send unicast beacon to ip address's
sarnet::ip isip(_args[i]);
if (isip.isv4() || isip.isv6()) {
if (flagset == false)
c_beacon.iprm(_args[i]);
else {
// Create the global peer and beacon peer
sarpeers.add(_args[i], sarport);
c_beacon.ipadd(_args[i]);
}
continue;
}
}
s = "Beacon Flags: " + c_beacon.print();
scr.info(s);
return (true);
}
bool
cmd::cmd_checksum()
{
cmds c;
if (_args.size() == 1) {
scr.info(c_checksum.print());
return (true);
}
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("checksum"));
return (true);
}
if (_args.size() == 2) {
if (_args[1] == "off" || _args[1] == "none")
c_checksum.flag(F_CSUM_NONE);
else if (_args[1] == "crc32")
c_checksum.flag(F_CSUM_CRC32);
else if (_args[1] == "md5")
c_checksum.flag(F_CSUM_MD5);
else if (_args[1] == "sha1")
c_checksum.flag(F_CSUM_SHA1);
else {
scr.error("Invalid Checksum Type");
return (false);
}
}
scr.info(c_checksum.print());
return (true);
}
bool
cmd::cmd_debug()
{
string s;
cmds c;
// We only expect a single argument
if (_args.size() == 1) {
scr.info(c_debug.print());
return (true);
}
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("debug"));
return (true);
}
if (_args.size() == 2 && _args[1] == "off") {
c_debug.level(0);
scr.info(c_debug.print());
return (true);
}
if (_args.size() == 2) {
if (_args[1] == "0" || _args[1] == "1" || _args[1] == "2" ||
_args[1] == "3" || _args[1] == "4" || _args[1] == "5" ||
_args[1] == "6" || _args[1] == "7" || _args[1] == "8" ||
_args[1] == "9")
c_debug.level(_args[1][0] - '0');
else {
scr.error("Invalid Debug Level must be 0-9");
scr.std(c.usage("debug"));
return (true);
}
}
scr.info(c_debug.print());
return (true);
}
bool
cmd::cmd_descriptor()
{
cmds c;
extern enum f_descriptor
maxdescriptor(); // Maximim descriptor for largest file size
if (_args.size() == 1) {
scr.info(c_descriptor.print());
return (true);
}
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("descriptor"));
return (true);
}
if (_args.size() == 2) {
if (_args[1] == "off")
c_descriptor.flag(maxdescriptor()); // Reset to largest file size
else if (_args[1] == "16")
c_descriptor.flag(F_DESCRIPTOR_16);
else if (_args[1] == "32")
c_descriptor.flag(F_DESCRIPTOR_32);
else if (_args[1] == "64")
c_descriptor.flag(F_DESCRIPTOR_64);
else if (_args[1] == "128") {
scr.error("128bit Descriptors not supported");
c_descriptor.flag(F_DESCRIPTOR_64);
} else {
scr.error("Invalid Descriptor Type");
return (false);
}
}
scr.info(c_descriptor.print());
return (true);
}
// The default EID is the Process ID
// When we send it out on a beacon
// it is always prepended by the local IP
// Address of the sender
// If we set the EID manually it is still
// prepended by the calling IP address (in text)
bool
cmd::cmd_eid()
{
string s;
cmds c;
// We only expect a single argument
if (_args.size() == 1) {
s = "EID: " + c_eid.print();
scr.info(s);
return (true);
}
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("eid"));
return (true);
}
if (_args.size() == 2 && _args[1] == "off") {
string strpid;
int pid;
char str[128];
pid = getpid();
sprintf(str, "%d", pid);
strpid = str;
c_eid.eid(strpid);
s = "EID: " + c_eid.print();
scr.info(s);
return (true);
}
if (_args.size() == 2) {
c_eid.eid(_args[1]);
}
s = "EID: " + c_eid.print();
scr.info(s);
return (true);
}
// List current local files that are open and mode
bool
cmd::cmd_files()
{
string s = "";
cmds c;
std::string::size_type sz; // needed for stoi
// Show current peer flag settings
if (_args.size() == 1) {
for (std::list<saratoga::tran>::iterator tr = sartransfers.begin();
tr != sartransfers.end(); tr++) {
sarfile::fileio* fp = &(*tr->local());
s += fp->print();
s += "\n";
}
if (s == "")
scr.info("No Open Files");
else
scr.info(s);
return (true);
}
// Show usage
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("files"));
return (true);
}
return (true);
}
bool
cmd::cmd_freespace()
{
cmds c;
// We only expect a single argument
if (_args.size() == 1) {
scr.info(c_freespace.print());
return (true);
}
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("freespace"));
return (true);
}
if (_args.size() == 2 && _args[1] == "on") {
c_freespace.flag(F_FREESPACE_YES);
scr.info(c_freespace.print());
return (true);
}
if (_args.size() == 2 && _args[1] == "off") {
c_freespace.flag(F_FREESPACE_NO);
scr.info(c_freespace.print());
return (true);
}
scr.info(c.usage("freespace"));
return (false);
}
bool
cmd::cmd_get()
{
cmds c;
c_get.ready(false);
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("get"));
return (true);
}
if (_args.size() != 3) {
scr.info(c.usage("get"));
return (true);
}
sarnet::ip isip(_args[1]);
if (isip.isv4() || isip.isv6()) {
c_get.peer(isip);
c_get.fname(_args[2]);
c_get.ready(true);
return (true);
}
c_get.zap();
c_get.fname("");
scr.info(c.usage("get"));
return (true);
}
bool
cmd::cmd_getrm()
{
cmds c;
c_getrm.ready(false);
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("getrm"));
return (true);
}
if (_args.size() != 3) {
scr.info(c.usage("getrm"));
return (true);
}
sarnet::ip isip(_args[1]);
if (isip.isv4() || isip.isv6()) {
c_getrm.peer(isip);
c_getrm.fname(_args[2]);
c_getrm.ready(true);
return (true);
}
c_getrm.zap();
c_getrm.fname("");
scr.info(c.usage("getrm"));
return (true);
}
bool
cmd::cmd_history()
{
cmds c;
if (_args.size() == 1) {
scr.info(c_history.print());
return (true);
}
if (_args.size() == 2 && _args[1] == "?")
;
else
scr.error("Invalid history command usage");
scr.info(c.usage("history"));
return (true);
}
bool
cmd::cmd_home()
{
string s;
cmds c;
// We only expect a single argument
if (_args.size() == 1) {
s = "HOMEDIR: " + c_home.print();
scr.info(s);
return (true);
}
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("home"));
return (true);
}
if (_args.size() == 2 && _args[1] == "off") {
c_home.fname(".");
return (true);
}
if (_args.size() == 2) {
sarfile::fileio fp(_args[1], sarfile::FILE_READ);
if (fp.ok() && fp.isdir()) {
// Write some code to make sure dir exists
c_home.fname(_args[1]);
s = "HOMEDIR: " + c_home.print();
scr.info(s);
return (true);
} else {
s = "Directory does not exist: ";
s += _args[1];
scr.error(s);
c_home.fname(".");
return (true);
}
}
return (true);
}
bool
cmd::cmd_ls()
{
cmds c;
c_ls.ready(false);
if (_args.size() == 1 || (_args.size() == 2 && _args[1] == "?")) {
scr.info(c.usage("ls"));
return (true);
}
if (_args.size() == 2) {
c_ls.dname(".");
}
if (_args.size() == 3) {
c_ls.dname(_args[2]);
}
sarnet::ip isip(_args[1]);
if (isip.isv4() || isip.isv6()) {
c_ls.peer(isip);
c_ls.ready(true);
return (true);
}
c_ls.zap();
c_ls.dname("");
scr.info(c.usage("ls"));
return (true);
}
bool
cmd::cmd_maxbuff()
{
cmds c;
std::string::size_type sz; // needed for stoi
// We only expect a single argument
if (_args.size() == 1) {
scr.info(c_maxbuff.print());
return (true);
}
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("maxbuff"));
return (true);
}
if (_args.size() == 2 && isuint(_args[1])) {
size_t tmp = (size_t)std::stoi(_args[1], &sz);
if (tmp > 0)
c_maxbuff.set((size_t)std::stoi(_args[1], &sz));
scr.info(c_maxbuff.print());
return (true);
}
scr.info(c.usage("maxbuff"));
return (false);
}
bool
cmd::cmd_pinfo()
{
string s;
cmds c;
// Show current peer flag settings
if (_args.size() == 1) {
string ps = sarpeersinfo.print();
if (ps == "")
scr.info("No Peer Information");
else {
s = ps;
scr.info(s);
}
return (true);
}
// Show usage
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("peerinfo"));
return (true);
}
s = sarpeersinfo.print();
scr.info(s);
return (true);
}
bool
cmd::cmd_peers()
{
string s;
cmds c;
std::string::size_type sz; // needed for stoi
string outstr;
// Show current peer flag settings
if (_args.size() == 1) {
string ps = sarpeers.print();
if (ps == "")
scr.info("No Peers");
else {
s = ps;
scr.info(s);
}
return (true);
}
// Show usage
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("peers"));
return (true);
}
// Remove all peers
if (_args.size() == 2 && _args[1] == "off") {
// Just clear all the current peers
// And stop sending beacons
sarpeers.zap();
c_beacon.zap();
return (true);
}
size_t startpos = 1;
bool flagset = true;
if (_args[1] == "remove") {
flagset = false;
startpos = 2;
}
for (size_t i = startpos; i < _args.size(); i++) {
// We clear peers we have listed
sarnet::ip isip(_args[i]);
if (isip.isv4() || isip.isv6()) {
if (flagset == false) {
// Remove peer and stop sending beacons to it
s = "Removing Peer: " + _args[i];
scr.info(s);
sarpeers.remove(_args[i], sarport);
c_beacon.iprm(_args[i]);
} else {
// When we add a peer we start sending beacons as well to it
sarpeers.add(_args[i], sarport);
c_beacon.ipadd(_args[i]);
}
continue;
}
s = "peers - Invalid IP: " + isip.print();
scr.error(s);
}
s = "Current Peers:\n" + sarpeers.print();
scr.info(s);
return (true);
}
bool
cmd::cmd_put()
{
cmds c;
c_put.ready(false);
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("put"));
return (true);
}
if (_args.size() != 3) {
scr.info(c.usage("put"));
return (true);
}
sarnet::ip isip(_args[1]);
if (isip.isv4() || isip.isv6() || isip.family() == AF_AX25) {
string s = isip.straddr();
scr.debug(2, "cmd::cmd_put() We have a put to %s", s.c_str());
c_put.peer(isip);
sarnet::ip* tmp = c_put.peer();
string s1 = tmp->straddr();
scr.debug(2, "cmd::cmd_put() After Copy We have a put to %s", s1.c_str());
c_put.fname(_args[2]);
// If our first character is / or ./ then local file name is absolute
// If not then it is within the c_home directory
if (_args[2].find("/") == 0 || _args[2].find("./") == 0)
c_put.localfname(_args[2]);
else
c_put.localfname(c_home.dir() + "/" + _args[2]);
c_put.ready(true);
return (true);
}
c_put.zap();
scr.info(c.usage("put"));
return (true);
}
bool
cmd::cmd_putrm()
{
cmds c;
c_putrm.ready(false);
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("putrm"));
return (true);
}
if (_args.size() != 3) {
scr.info(c.usage("putrm"));
return (true);
}
sarnet::ip isip(_args[1]);
if (isip.isv4() || isip.isv6()) {
c_putrm.peer(isip);
c_putrm.fname(_args[2]);
c_putrm.ready(true);
return (true);
}
c_putrm.zap();
c_putrm.fname("");
scr.info(c.usage("putrm"));
return (true);
}
bool
cmd::cmd_rm()
{
cmds c;
c_rm.ready(false);
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("rm"));
return (true);
}
if (_args.size() != 3) {
scr.info(c.usage("rm"));
return (true);
}
sarnet::ip isip(_args[1]);
if (isip.isv4() || isip.isv6()) {
c_rm.peer(isip);
c_rm.fname(_args[2]);
c_rm.ready(true);
return (true);
}
scr.info(c.usage("rm"));
return (true);
}
bool
cmd::cmd_rmdir()
{
cmds c;
c_rmdir.ready(false);
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("rmdir"));
return (true);
}
if (_args.size() != 3) {
scr.info(c.usage("rmdir"));
return (true);
}
sarnet::ip isip(_args[1]);
if (isip.isv4() || isip.isv6()) {
c_rmdir.peer(isip);
c_rmdir.dname(_args[2]);
c_rmdir.ready(true);
return (true);
}
scr.info(c.usage("rmdir"));
return (true);
}
bool
cmd::cmd_rx()
{
cmds c;
// We only expect a single argument
if (_args.size() == 1) {
scr.info(c_rx.print());
return (true);
}
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("rx"));
return (true);
}
if (_args.size() == 2 && _args[1] == "on") {
c_rx.flag(F_RXWILLING_YES);
scr.info(c_rx.print());
return (true);
}
if (_args.size() == 2 && _args[1] == "off") {
c_rx.flag(F_RXWILLING_NO);
scr.info(c_rx.print());
return (true);
}
scr.info(c.usage("rx"));
return (false);
}
bool
cmd::cmd_session()
{
cmds c;
std::string::size_type sz; // needed for stoi
// We only expect a single argument
if (_args.size() == 1) {
scr.info(c_session.print());
return (true);
}
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("session"));
return (true);
}
if (_args.size() == 2 && isuint(_args[1])) {
c_session.set((session_t)std::stoi(_args[1], &sz));
scr.info(c_session.print());
return (true);
}
scr.info(c.usage("session"));
return (false);
}
bool
cmd::cmd_stream()
{
string s;
cmds c;
// We only expect a single argument
if (_args.size() == 1) {
scr.info(c_stream.print());
return (true);
}
if (_args.size() == 2 && _args[1] == "?") {
scr.info(c.usage("stream"));
return (true);
}
if (_args.size() == 2 && _args[1] == "on") {
c_stream.flag(F_STREAMS_NO);
s = "Streams not supported " + c_stream.print();
scr.error(s);
return (true);
}
if (_args.size() == 2 && _args[1] == "off") {
c_stream.flag(F_STREAMS_NO);
scr.info(c_stream.print());
return (true);
}
scr.info(c.usage("stream"));
return (false);
}
bool
cmd::cmd_timezone()
{
cmds c;
if (_args.size() == 1) {
scr.info(c_timezone.print());
return (true);
}
if (_args[1] == "?" || _args.size() > 2) {
scr.info(c.usage("timezone"));
return (true);
}
if (_args[1] == "utc" || _args[1] == "UTC") {
c_timezone.tz(TZ_UTC);
scr.info(c_timezone.print());
return (true);
}
if (_args[1] == "local" || _args[1] == "LOCAL") {
c_timezone.tz(TZ_LOCAL);
scr.info(c_timezone.print());
return (true);
}
scr.info(c.usage("timezone"));
return (false);
}
/*
* Set/Reset various timers
* Currently Supported: and all are seconds for each initated transfer
* request - The timeout for expected response from a REQUEST
* if this timeout is exceeded then the REQUEST is resent
* transfer - The timeout to terminate the transfer if there is no
* packet received.
* status - The timeout to resend a STATUS
* beacon - Timer for a beacon
*/
bool
cmd::cmd_timer()
{
cmds c;
std::string::size_type sz; // needed for stoi
if (_args.size() == 1) {
scr.info(c_timer.print());
return (true);
}
if (_args[1] == "?" || _args.size() > 3) {
scr.info(c.usage("timer"));
return (true);
}
if (_args.size() == 2) {
if (_args[1] == "off") {
// Turn off timers
c_timer.request(c_timer.def());
c_timer.transfer(c_timer.def());
c_timer.status(c_timer.def());
c_timer.framedelay(0);
scr.info(c_timer.print());
return (true);
}
if (_args[1] == "request") {
scr.info(c_timer.print_request());
return (true);
}
if (_args[1] == "transfer") {
scr.info(c_timer.print_transfer());
return (true);
}
if (_args[1] == "status") {
scr.info(c_timer.print_status());
return (true);
}
if (_args[1] == "beacon") {
scr.info(c_timer.print_beacon());
return (true);
}
if (_args[1] == "framedelay") {
scr.info(c_timer.print_framedelay());
return (true);
}
}
if (_args.size() == 3) {
if (_args[1] == "request" && _args[2] == "off") {
c_timer.request(c_timer.def());
scr.info(c_timer.print_request());
return (true);
}
if (_args[1] == "transfer" && _args[2] == "off") {
c_timer.transfer(c_timer.def());
scr.info(c_timer.print_transfer());
return (true);
}
if (_args[1] == "status" && _args[2] == "off") {
c_timer.status(c_timer.def());
scr.info(c_timer.print_status());
return (true);
}
if (_args[1] == "framedelay" && _args[2] == "off") {
c_timer.framedelay(0);
scr.info(c_timer.print_framedelay());
return (true);
}
if (_args[1] == "beacon" && _args[2] == "off") {
c_timer.beacon(0);
scr.info(c_timer.print_beacon());
beacontimer = c_timer.beacon();
return (true);
}
if (_args[1] == "request" && isuint(_args[2])) {
c_timer.request((offset_t)std::stoi(_args[2], &sz));
scr.info(c_timer.print_request());
return (true);
}
if (_args[1] == "transfer" && isuint(_args[2])) {
c_timer.transfer((offset_t)std::stoi(_args[2], &sz));
scr.info(c_timer.print_transfer());
return (true);
}
if (_args[1] == "status" && isuint(_args[2])) {
c_timer.status((offset_t)std::stoi(_args[2], &sz));
scr.info(c_timer.print_status());
return (true);
}
if (_args[1] == "framedelay" && isuint(_args[2])) {
c_timer.framedelay((offset_t)std::stoi(_args[2], &sz));
scr.info(c_timer.print_framedelay());
return (true);
}
if (_args[1] == "beacon" && isuint(_args[2])) {
c_timer.beacon((offset_t)std::stoi(_args[2], &sz));
scr.info(c_timer.print_beacon());
beacontimer = c_timer.beacon();
return (true);