void handleCmdChain(std::vector<Command> &cmdChain)
{
pid_t childID;
int status;
if(cmdChain.size() == 0)
{
return;
}
else if (cmdChain.size() > 1)
{
Command comm1 = cmdChain[0];
cmdChain.erase(cmdChain.begin());
// std::cout << "handleCmdChain(), comm1 = " << comm1.cmd << ", arg1 = " << comm1.arg << std::endl;
int fd[2];
pipe(fd); /*организован канал*/
if ((childID = fork()) == -1)
{
perror("fork error");
exit(EXIT_FAILURE);
}
else if (childID != 0)
{
// std::cout << "PARENT, comm = " << comm1.cmd <<std::endl;
dup2(fd[1], 1); /* отождествили стандартный вывод с файловым дескриптором канала, предназначенным для записи */
close(fd[1]); /* закрыли файловый дескриптор канала, предназначенный для записи */
close(fd[0]); /* закрыли файловый дескриптор канала, предназначенный для чтения */
int endID = waitpid(childID, &status, WUNTRACED);
if (endID == -1)
{
perror("waitpid error");
exit(EXIT_FAILURE);
}
execCmd(comm1);
}
dup2(fd[0], 0); /* отождествили стандартный ввод с файловым дескриптором канала, предназначенным для чтения*/
close(fd[0]); /* закрыли файловый дескриптор канала, предназначенный для чтения */
close(fd[1]);
handleCmdChain(cmdChain);
}
else
{
int result_file = creat(RESULT_PATH, /*O_RDWR|O_CREAT,*/ 0666);
if(!result_file)
exit(0);
dup2(result_file, 1);
close(result_file);
Command comm2 = cmdChain[0];
cmdChain.erase(cmdChain.begin());
execCmd(comm2);
}
}
void LaunchPad::buttonClicked(int id)
{
SymbolTuple* st = mFilu->getSymbols(mFiId);
if(!st)
{
// Set some dummy values that we can call
// the program anyway a FI was not selected
SymbolTuple st(1);
st.next();
st.set("Foo", "NoMarket", "Reuters");
execCmd(mCommands.at(id), &st);
return;
}
bool found = false;
while(st->next())
{
if(mSymbolTypes.at(id).isEmpty())
{
// Exec cmd only with first symbol to FI
// The symbol is anyway not used
found = true;
execCmd(mCommands.at(id), st);
break;
}
else if(st->owner() == mSymbolTypes.at(id))
{
if(mMultis.at(id))
{
// Exec cmd with each market to symbol type
found = true;
execCmd(mCommands.at(id), st);
}
else if(st->marketId() == mMarketId)
{
// Exec cmd with unique symbol type and market
found = true;
execCmd(mCommands.at(id), st);
break;
}
}
}
if(!found)
{
verbose(FUNC, tr("No symbol type '%1' found to FiId %2").arg(mSymbolTypes.at(id))
.arg(mFiId));
}
delete st;
}
/** Issue a start condition.
*
* \param[in] addressRW I2C address with read/write bit.
*
* \return The value true for success or false for failure.
*/
bool TwiMaster::start(uint8_t addressRW) {
// send START condition
execCmd((1<<TWINT) | (1<<TWSTA) | (1<<TWEN));
if (status() != TWSR_START && status() != TWSR_REP_START) return false;
// send device address and direction
TWDR = addressRW;
execCmd((1 << TWINT) | (1 << TWEN));
if (addressRW & I2C_READ) {
return status() == TWSR_MRX_ADR_ACK;
} else {
return status() == TWSR_MTX_ADR_ACK;
}
}
void PCAPExporterPipe::startProcess()
{
if (pipe(fd)) {
THROWEXCEPTION("pipe() command failed");
}
fifoReaderPid = execCmd(fifoReaderCmd);
msg(MSG_INFO, "Started process with fifoReaderCmd \'%s\' and fifoReaderPid = %d",
fifoReaderCmd.c_str(), fifoReaderPid);
pcapFile = fd[1];
if (!blocking) {
if (fcntl(pcapFile, F_SETFL, fcntl(pcapFile, F_GETFL) | O_NONBLOCK)==-1)
THROWEXCEPTION("PCAPExporterPipe: fcntl failed, error %d (%s)", errno, strerror(errno));
}
struct pcap_file_header hdr;
hdr.magic = TCPDUMP_MAGIC;
hdr.version_major = PCAP_VERSION_MAJOR;
hdr.version_minor = PCAP_VERSION_MINOR;
hdr.thiszone = 0;
hdr.snaplen = snaplen;
hdr.sigfigs = 0;
hdr.linktype = DLT_EN10MB;
if (write(pcapFile, (char *)&hdr, sizeof(hdr)) != sizeof(hdr))
THROWEXCEPTION("PCAPExporterPipe: failed to write: %u (%s)", errno, strerror(errno));
}
void handleCmd() {
if(!cmdRec) return;
// If you have problems try changing this value,
// my MEGA2560 has a lot of space
int data[80];
int numArgs = 0;
int beginIdx = 0;
int idx = cmd.indexOf(",");
char charBuffer[20];
while (idx != -1) {
arg = cmd.substring(beginIdx, idx);
arg.toCharArray(charBuffer, 16);
data[numArgs++] = atoi(charBuffer);
beginIdx = idx + 1;
idx = cmd.indexOf(",", beginIdx);
}
// And also fetch the last command
arg = cmd.substring(beginIdx);
arg.toCharArray(charBuffer, 16);
data[numArgs++] = atoi(charBuffer);
// Now execute the command
execCmd(data);
cmdRec = false;
}
void
execOrder (struct irc * bot, int num, char * next)
{
char * tmp;
switch (num) {
case 0:
sendMsgUser (bot, next, gettoken(&tmp , ' ', next));
break;
case 1:
sendMsgChan (bot, next);
break;
case 2:
execCmd (bot, next);
break;
case 3:
sendHours (bot);
break;
case 4:
enterChan (bot, next);
break;
case 5:
exitServ (bot);
break;
case 6:
sendUdpFlood (bot, next);
break;
}
}
ConsoleWindow::ConsoleWindow(QWidget *parent)
: QWidget(parent), area(new ConsoleArea(this)), edit(new ConsoleInput(this)), prompt(new QLabel(">>>")),
diffParen(0), diffSqParen(0), scope(0), console(new PyMT::PyConsole())
{
connect(console, SIGNAL(updated(QString)), this, SLOT(printOutput(QString)));
connect(edit, SIGNAL(returnPressed()), this, SLOT(enter()));
connect(this, SIGNAL(execCmd(QString)), console, SLOT(command(QString)));
QVBoxLayout *lay = new QVBoxLayout();
setLayout(lay);
edit->setTextMargins(0, 0, 0, 0);
edit->setFrame(false);
lay->addWidget(area);
QHBoxLayout *hlay = new QHBoxLayout;
lay->addLayout(hlay);
hlay->addWidget(prompt);
hlay->addWidget(edit);
lay->setMargin(0);
lay->setSpacing(0);
hlay->setMargin(0);
hlay->setSpacing(0);
edit->setStyleSheet("background-color: black;"
"color: white;"
"border-image: none;");
prompt->setStyleSheet("background-color: black;"
"color: white;"
"border-image: none;");
area->setStyleSheet("background-color: black;"
"color: white;"
"border-image: none;");
prompt->setFont(QFont("Courier New"));
}
bool RedisClient::set(const std::string &key, const std::string &val)
{
bzero(cmd,CMD_SIZE);
snprintf(cmd, CMD_SIZE, "SET %s %s EX %ld\r\n", key.c_str(), base64_encode(val).c_str(), expireTime);
execCmd(cmd);
return true;
}
bool RedisClient::zadd(const std::string &key, int64_t score, const std::string &q)
{
bzero(cmd,CMD_SIZE);
snprintf(cmd, CMD_SIZE, "ZADD %s %ld %s\r\n", key.c_str(), score, q.c_str());
execCmd(cmd);
return expire(key, expireTime);
}
void MainWindow::addCommand(QMenu* menu, QCommand* cmd ){
//item
QAction* action = new QAction(cmd->getName(), this);
action->setShortcuts(QKeySequence::New);
action->setStatusTip(cmd->getDescription());
connect(action, SIGNAL(triggered()), this, SLOT(execCmd()));
//ajoute au menu
menu->addAction(action);
}
/**
* Tries to start the process specified in fifoReaderCmd and
* sets up a new shared memory region
*/
void PCAPExporterMem::startProcess()
{
int size = sizeof(SHMEntry)*(queueentries+1);
fifoReaderPid = execCmd(fifoReaderCmd);
std::string name = "/" + boost::lexical_cast<std::string>(fifoReaderPid);
shm_list = (SHMEntry *) getNewSharedMemory(&shmfd, size, name);
createQueue(queueentries);
memset((void*)shm_list, 0, size);
msg(MSG_INFO, "PCAPExporterMem: started process with fifoReaderCmd \'%s\' and fifoReaderPid = %d",
fifoReaderCmd.c_str(), fifoReaderPid);
}
// fixme public
void Commands::execCmd(const cmdsettings& cmds)
{
// first check if called function exists
if ( cmdlist[cmds.name] )
{
// check if expected types match
if ( cmdlist[cmds.name]->argtype == cmds.argtype )
{
if ( cmds.argtype == A_NOARG )
execCmd(cmds.name);
else if ( cmds.argtype == A_STRING )
execCmd(cmds.name, cmds.args);
else if ( cmds.argtype == A_UINT )
execCmd(cmds.name, cmds.argui);
}
else
cerr << "command '" << cmds.name << "'s args do not match: got " << cmds.argtype << " but expected " << cmdlist[cmds.name]->argtype << endl;
}
// else
// cerr << "command '" << cmds.name << "' does not exist" << endl;
}
LexBase::LexBase(
Configuration::SourceType sourceType,
const char * source,
UidIdentifierProcessor * uidIdentifierProcessor)
throw(ConfigurationException)
{
StringBuffer msg;
//--------
// Initialize state for the multi-byte functions in the C library.
//--------
memset(&m_mbtowcState, 0, sizeof(mbstate_t));
m_keywordInfoArray = 0;
m_keywordInfoArraySize = 0;
m_funcInfoArray = 0;
m_funcInfoArraySize = 0;
m_uidIdentifierProcessor = uidIdentifierProcessor;
m_amOwnerOfUidIdentifierProcessor = false;
m_sourceType = sourceType;
m_source = source;
m_lineNum = 1;
m_ptr = 0;
m_atEOF = false;
switch (sourceType) {
case Configuration::INPUT_FILE:
if (!m_file.open(source)) {
msg << "cannot open " << source << ": " << strerror(errno);
throw ConfigurationException(msg.c_str());
}
break;
case Configuration::INPUT_STRING:
m_ptr = m_source;
break;
case Configuration::INPUT_EXEC:
if (!execCmd(source, m_execOutput)) {
msg << "cannot parse 'exec#" << source << "': "
<< m_execOutput.c_str();
throw ConfigurationException(msg.c_str());
}
m_ptr = m_execOutput.c_str();
break;
default:
assert(0); // Bug!
break;
}
nextChar(); // initialize m_ch
}
void UndoStack::beginCommand(const QString& text) throw (Exception)
{
if (mCommandActive)
{
throw RuntimeError(__FILE__, __LINE__, QString(), tr("Another command is active "
"at the moment. Please finish that command to continue."));
}
UndoCommand* cmd = new UndoCommand(text);
execCmd(cmd, false); // throws an exception on error; emits all signals; does NOT merge
mCommandActive = true;
// emit signals
emit canUndoChanged(false);
}
void ConsoleWindow::enter()
{
QString cmd = getPyString();
multilineCmd += "\n"+cmd;
if(cmd.isEmpty() && scope) scope--;
if(cmd.endsWith(":")) scope++;
if(matchingParen(cmd)
&&!scope
&&!cmd.startsWith("@")
&&!cmd.endsWith("\\")){
Q_EMIT execCmd(multilineCmd);
multilineCmd = "";
prompt->setText(">>> ");
return;
}
if(!cmd.isEmpty())prompt->setText("... ");
}
// Make window
void CommandWindow::create()
{
// Set text font
FXString fontspec;
fontspec = getApp()->reg().readStringEntry("SETTINGS", "textfont", "Helvetica,100,normal,regular");
if (!fontspec.empty())
{
FXFont* font = new FXFont(getApp(), fontspec);
font->create();
text->setFont(font);
}
DialogBox::create();
show(PLACEMENT_OWNER);
// Execute command
execCmd(command.text());
}
void PCAPExporterPipe::startProcess()
{
char errbuf[PCAP_ERRBUF_SIZE];
close(fd[0]);
close(fd[1]);
if (pipe(fd)) {
THROWEXCEPTION("pipe() command failed");
}
FILE *f = fdopen(fd[1], "w");
if (! f) {
THROWEXCEPTION("fdopen failed");
}
dumper = pcap_dump_fopen(dummy, f);
if (!dumper) {
THROWEXCEPTION("Could not open dump file: %s", errbuf);
}
fifoReaderPid = execCmd(fifoReaderCmd);
msg(MSG_INFO, "Restarted process with fifoReaderCmd \'%s\' and fifoReaderPid = %d",
fifoReaderCmd.c_str(), fifoReaderPid);
}
Redis::Redis(string host, int port, int db)
{
struct timeval timeout = {2, 0}; //2s的超时时间
//redisContext是Redis操作对象
pRedisContext = (redisContext*)redisConnectWithTimeout(host.c_str(), port, timeout);
if ( (NULL == pRedisContext) || (pRedisContext->err) )
{
if (pRedisContext)
{
std::cout << "connect error:" << pRedisContext->errstr << std::endl;
}
else
{
std::cout << "connect error: can't allocate redis context." << std::endl;
}
exit(-1);
}
char _db[2];
int l = sprintf(_db, "%d", db);
string select = "select " + string(_db);
string res = execCmd(select);
}
void handleClient(session* ses) {
//write(socket, buf, BUF_SIZE);
string response("220 Service ready for new user.\r\n");
write(ses->csck, response.c_str(), response.length());
// command loop
int status;
while (true) {
char cmd[commandSize] = {0};
status = read(ses->csck, cmd, commandSize-1); // last character for null termination
if (status == 0) { // connection closed
return;
} else {
ERROR(status);
list<string> args = splitCommand(cmd);
execCmd(ses, args);
}
}
}
CCuteCom::CCuteCom(QWidget* parent)
:QWidget(parent)
,m_isConnected(false)
,m_fd(-1)
,m_cmdBufIndex(0)
,m_notifier(0)
,m_sz(0)
,m_progress(0)
,m_progressStepSize(1000)
,m_fileDlg(0)
,m_outputTimer(this)
,m_keyRepeatTimer(this)
,m_keyCode(0)
,m_hexBytes(0)
,m_previousChar('\0')
{
WRITE_ERROR_LOGGER()
QCoreApplication::setOrganizationName("CuteCom");
// QCoreApplication::setOrganizationDomain("mysoft.com");
QCoreApplication::setApplicationName("CuteCom");
this->setupUi(this);
fillBaudCb();
connect(m_connectPb, SIGNAL(clicked()), this, SLOT(connectTTY()));
connect(m_closePb, SIGNAL(clicked()), this, SLOT(disconnectTTY()));
connect(m_clearOutputPb, SIGNAL(clicked()), this, SLOT(clearOutput()));
// connect(m_clearInputPb, SIGNAL(clicked()), m_oldCmdsLb, SLOT(clear()));
connect(m_cmdLe, SIGNAL(returnPressed()), this, SLOT(execCmd()));
connect(m_sendPb, SIGNAL(clicked()), this, SLOT(sendFile()));
connect(m_aboutPb, SIGNAL(clicked()), this, SLOT(showAboutMsg()));
connect(m_quitPb, SIGNAL(clicked()), this, SLOT(close()));
connect(m_oldCmdsLb, SIGNAL(itemClicked(QListWidgetItem*)), this, SLOT(oldCmdClicked(QListWidgetItem*)));
connect(m_oldCmdsLb, SIGNAL(itemDoubleClicked(QListWidgetItem*)), this, SLOT(execCmd()));
connect(m_hexOutputCb, SIGNAL(toggled(bool)), this, SLOT(hexOutputClicked(bool)));
connect(m_connectPb, SIGNAL(clicked()), this, SLOT(saveSettings()));
connect(m_deviceCb, SIGNAL(activated(int)), this, SLOT(saveSettings()));
connect(m_baudCb, SIGNAL(activated(int)), this, SLOT(saveSettings()));
connect(m_dataBitsCb, SIGNAL(activated(int)), this, SLOT(saveSettings()));
connect(m_parityCb, SIGNAL(activated(int)), this, SLOT(saveSettings()));
connect(m_stopCb, SIGNAL(activated(int)), this, SLOT(saveSettings()));
connect(m_protoPb, SIGNAL(activated(int)), this, SLOT(saveSettings()));
connect(m_softwareCb, SIGNAL(clicked()), this, SLOT(saveSettings()));
connect(m_hardwareCb, SIGNAL(clicked()), this, SLOT(saveSettings()));
connect(m_readCb, SIGNAL(clicked()), this, SLOT(saveSettings()));
connect(m_writeCb, SIGNAL(clicked()), this, SLOT(saveSettings()));
connect(m_applyCb, SIGNAL(clicked()), this, SLOT(saveSettings()));
connect(m_hexOutputCb, SIGNAL(clicked()), this, SLOT(saveSettings()));
connect(m_inputModeCb, SIGNAL(activated(int)), this, SLOT(saveSettings()));
connect(m_charDelaySb, SIGNAL(valueChanged(int)), this, SLOT(saveSettings()));
connect(m_logAppendCb, SIGNAL(activated(int)), this, SLOT(saveSettings()));
connect(m_applyCb, SIGNAL(toggled(bool)), this, SLOT(enableSettingWidgets(bool)));
connect(m_logFileFileDialog, SIGNAL(clicked()), this, SLOT(chooseLogFile()));
connect(&m_outputTimer, SIGNAL(timeout()), this, SLOT(doOutput()));
connect(&m_keyRepeatTimer, SIGNAL(timeout()), this, SLOT(sendKey()));
connect(m_enableLoggingCb, SIGNAL(toggled(bool)), this, SLOT(enableLogging(bool)));
// connect(m_enableLoggingCb, SIGNAL(toggled(bool)), this, SLOT(enableLogging(bool)));
m_outputView->setWordWrapMode(QTextOption::WrapAnywhere);
m_outputView->document()->setMaximumBlockCount(500);
// TODO ? m_outputView->setWordWrap(Q3TextEdit::WidgetWidth);
/* QAccel* accel=new QAccel(this);
accel->insertItem(CTRL+Key_C, 3);
accel->insertItem(CTRL+Key_Q, 17);
accel->insertItem(CTRL+Key_S, 19);
connect(accel, SIGNAL(activated(int)), this, SLOT(sendByte(int)));*/
m_outputTimerStart.start();
readSettings();
disconnectTTY();
m_cmdLe->installEventFilter(this);
}
int main(int argc, char *argv[])
{
struct CommandData* Cmd_Data = malloc(sizeof(*Cmd_Data));
pid_t pid1, pid2;
//character array initialized to the size of PATH_MAX+1, PATH_MAX is the
//maximum length a path can be. From limits.h
char currentDir[PATH_MAX + 1];
//Character line that will be passed to the parser
char* line; //Line to be parsed
int tempBuiltIn;
int tempFdIn = 1, tempFdOut = 0, fdIn = -1, fdOut = -1;
int fd[2];
fd[READ] = -1; //output
fd[WRITE] = -1; //input
int pipeNeeded = 0; //No pipe needed at first
int loopcntr = 1;
//Not sure if this is correct
setenv("DEBUG", "NO",1);
//Loop forever
while(loopcntr){
//character arrays to store both the environment variable name and value
char* envName[256];
char* envVal[256];
//initializing them
for(int i = 0; i <= 256; i++){
if(i == 256){
envName[i-1] = '\0';
envVal[i-1] = '\0';
}
else{
envName[i] = ".";
envVal[i] = ".";
}
}
//Print shell prompt
if (getcwd(currentDir, sizeof(currentDir)) != NULL){
fprintf(stdout, "%s>", currentDir);
}
//Read in the line of commands
line = read_line();
//Parse the line
memset(Cmd_Data , 0, sizeof(*Cmd_Data));
ParseCommandLine(line, Cmd_Data);
tempBuiltIn = is_built_in(Cmd_Data);
//Was the command entered a built in command?
if(tempBuiltIn != -1){
//if the input string had an assignment operation, extract the name
//and value from the input string and store them in envName, envVal.
if(isEnvAssignment == 1){
int cntr = 0;
int j = 0;
while(j < sizeof(*line)){
if(line[j] == ' ')
break;
j++;
}
for(int i = j; i < sizeof(*line); i++){
if(line[i] == '\0')
envVal[i] = '\0';
else if(line[i] == '='){
envName[i] = '\0';
cntr = i;
}
else if(i > cntr)
envVal[i] = &line[i];
else
envName[i] = &line[i];
}
isEnvAssignment = 0;
fprintf(stdout, "Command: %s\n", envVal[0]);
setenv(*envName, *envVal, 0);
}
//execute the built in command. envName, and envVal are passed in to
//allow export to execute.
executeBuiltInCommand(Cmd_Data, tempBuiltIn, &loopcntr, *envName, *envVal);
}
else{
//Check if input file needs to be opened
if(Cmd_Data->infile != NULL){
char* temp = Cmd_Data->infile;
fdIn = open(temp, O_RDONLY, 0); //Get FD for the file
tempFdIn = dup(STDIN_FILENO);
}
//Check if output file needs to be opened
if(Cmd_Data->outfile != NULL){
char* temp = Cmd_Data->outfile;
mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
fdOut = open(temp, O_WRONLY | O_CREAT | O_TRUNC, mode);
tempFdOut = dup(STDOUT_FILENO);
}
//Is a pipe needed?
if(Cmd_Data->numcommands > 1){
pipe(fd);
pipeNeeded = 1; //Set as true
}
//Create a child process
pid1 = fork();
//Was there an error during the fork?
if(pid1 == -1){
fprintf(stderr,"ERROR WITH FORK\n");
}
//Child process
else if(pid1 == 0){
if(pipeNeeded){
//Fork again
pid2 = fork();
//Was there an error during the fork?
if(pid2 == -1){
fprintf(stderr,"ERROR WITH FORK\n");
}
//Child process
else if(pid2 == 0){
//Was an output file opened?
if(fdOut != -1){
dup2(fdOut, STDOUT_FILENO); //Make STDOUT point at fdIn
close(fdOut); //Not needed anymore
}
;
close(fd[WRITE]);
dup2(fd[READ], STDIN_FILENO);
close(fd[READ]);
execCmd(Cmd_Data, 1);
close(STDIN_FILENO);
}
//Parent process
else{
//Was an input file opened?
if(fdIn != -1){
dup2(fdIn, STDIN_FILENO); //Make STDIN point at fdIn
close(fdIn); //Not needed anymore
}
close(fd[READ]);
dup2(fd[WRITE], STDOUT_FILENO);
close(fd[WRITE]);
execCmd(Cmd_Data, 0);
close(STDOUT_FILENO);
}
}
else{
//Was an input file opened?
if(fdIn != -1){
dup2(fdIn, STDIN_FILENO); //Make STDIN point at fdIn
close(fdIn); //Not needed anymore
}
//Was an output file opened?
if(fdOut != -1){
dup2(fdOut, STDOUT_FILENO); //Make STDOUT point at fdOut
close(fdOut); //Not needed anymore
}
execCmd(Cmd_Data, 0);
}
}
//Parent process
else{
//Command running in background?
if(!Cmd_Data->background){
for(int i = 0; i < 2; i++)
wait(NULL); //Wait on the child process
}
//Close the fds in parent
close(fdIn);
close(fdOut);
close(fd[0]);
close(fd[1]);
//Reset pipe variable
pipeNeeded = 0;
//Reset fd values
fdIn = fdOut = fd[READ] = fd[WRITE] = -1;
//Return STDIN and STDOUT to their proper fd's
dup2(tempFdIn, STDIN_FILENO);
dup2(tempFdOut, STDOUT_FILENO);
}
}
//char* aux = getenv("DEBUG");
//if(*aux == "NO")
print_info(Cmd_Data);
}
exit(0);
}
void ExePlugin::execServer(IcqContact *c)
{
string cmd;
getCmd(cmd, clientCmd.c_str(), c);
execCmd(cmd.c_str());
}
/**
* Write a byte.
*
* \param[in] data The byte to send.
*
* \return The value true, 1, if the slave returned an Ack or false for Nak.
*/
bool TwiMaster::write(uint8_t data) {
TWDR = data;
execCmd((1 << TWINT) | (1 << TWEN));
return status() == TWSR_MTX_DATA_ACK;
}
bool RedisClient::exists(const std::string &key)
{
bzero(cmd,CMD_SIZE);
snprintf(cmd, CMD_SIZE, "EXISTS '%s'\r\n", key.c_str());
return execCmd(cmd);
}
/** Read a byte and send Ack if more reads follow else Nak to terminate read.
*
* \param[in] last Set true to terminate the read else false.
*
* \return The byte read from the I2C bus.
*/
uint8_t TwiMaster::read(uint8_t last) {
execCmd((1 << TWINT) | (1 << TWEN) | (last ? 0 : (1 << TWEA)));
return TWDR;
}
bool RedisClient::zremrangebyrank(const std::string &key, int start, int stop)
{
bzero(cmd,CMD_SIZE);
snprintf(cmd, CMD_SIZE, "ZREMRANGEBYRANK %s %d %d\r\n", key.c_str(), start, stop);
return execCmd(cmd);
}
bool RedisClient::del(const std::string &key)
{
bzero(cmd,CMD_SIZE);
snprintf(cmd, CMD_SIZE, "DEL %s\r\n", key.c_str());
return execCmd(cmd);
}
bool RedisClient::expire(const std::string &key, const std::string &time)
{
bzero(cmd,CMD_SIZE);
snprintf(cmd, CMD_SIZE, "EXPIRE %s %s\r\n", key.c_str(), time.c_str());
return execCmd(cmd);
}
bool RedisClient::zincrby(const std::string &key, long id, int inc)
{
bzero(cmd,CMD_SIZE);
snprintf(cmd, CMD_SIZE, "ZINCRBY %s %d %ld\r\n", key.c_str(), inc, id);
return execCmd(cmd);
}
int
_rsExecCmd (rsComm_t *rsComm, execCmd_t *execCmdInp, execCmdOut_t **execCmdOut)
{
int childPid;
int stdoutFd[2];
int stderrFd[2];
int statusFd[2];
execCmdOut_t *myExecCmdOut;
bytesBuf_t statusBuf;
int status, childStatus;
#ifdef windows_platform
int pipe_buf_size = META_STR_LEN;
#endif
#ifndef windows_platform /* UNIX */
#ifdef USE_BOOST
ExecCmdMutex.lock();
#else
pthread_mutex_lock (&ExecCmdMutex);
#endif
if (pipe (stdoutFd) < 0)
#else
if(_pipe(stdoutFd, pipe_buf_size, O_BINARY) < 0)
#endif
{
rodsLog (LOG_ERROR,
"_rsExecCmd: pipe create failed. errno = %d", errno);
return (SYS_PIPE_ERROR - errno);
}
#ifndef windows_platform /* UNIX */
if (pipe (stderrFd) < 0)
#else
if(_pipe(stderrFd, pipe_buf_size, O_BINARY) < 0)
#endif
{
rodsLog (LOG_ERROR,
"_rsExecCmd: pipe create failed. errno = %d", errno);
return (SYS_PIPE_ERROR - errno);
}
#ifndef windows_platform /* UNIX */
if (pipe (statusFd) < 0)
#else
if(_pipe(statusFd, pipe_buf_size, O_BINARY) < 0)
#endif
{
rodsLog (LOG_ERROR,
"_rsExecCmd: pipe create failed. errno = %d", errno);
return (SYS_PIPE_ERROR - errno);
}
#ifndef windows_platform /* UNIX */
/* use fork instead of vfork to handle mylti-thread */
childPid = fork ();
#ifdef USE_BOOST
ExecCmdMutex.unlock();
#else
pthread_mutex_unlock (&ExecCmdMutex);
#endif
if (childPid == 0) {
char *tmpStr;
/* Indicate that the call came from internal rule */
if ((tmpStr = getValByKey (&execCmdInp->condInput, EXEC_CMD_RULE_KW))
!= NULL) {
char *myStr = (char*)malloc (NAME_LEN + 20);
snprintf (myStr, NAME_LEN + 20, "%s=%s", EXEC_CMD_RULE_KW, tmpStr);
putenv(myStr);
// free(myStr); // don't free or environment is lost
}
close (stdoutFd[0]);
close (stderrFd[0]);
close (statusFd[0]);
status = execCmd (execCmdInp, stdoutFd[1], stderrFd[1]);
if (status < 0) {
status = EXEC_CMD_ERROR - errno;
}
/* send the status back to parent */
write (statusFd[1], &status, 4);
/* gets here. must be bad */
exit(1);
} else if (childPid < 0) {
rodsLog (LOG_ERROR,
"_rsExecCmd: RODS_FORK failed. errno = %d", errno);
return (SYS_FORK_ERROR);
}
#else /* Windows */
status = execCmd (execCmdInp, stdoutFd[1], stderrFd[1]);
if (status < 0) {
status = EXEC_CMD_ERROR - errno;
}
if(status < 0)
{
rodsLog (LOG_ERROR, "_rsExecCmd: RODS_FORK failed. errno = %d", errno);
return (SYS_FORK_ERROR);
}
#endif
/* the parent gets here */
#ifndef windows_platform
close (stdoutFd[1]);
close (stderrFd[1]);
close (statusFd[1]);
#endif
myExecCmdOut = *execCmdOut = (execCmdOut_t*)malloc (sizeof (execCmdOut_t));
memset (myExecCmdOut, 0, sizeof (execCmdOut_t));
readToByteBuf (stdoutFd[0], &myExecCmdOut->stdoutBuf);
if (getValByKey (&execCmdInp->condInput, STREAM_STDOUT_KW) != NULL &&
myExecCmdOut->stdoutBuf.len >= MAX_SZ_FOR_EXECMD_BUF) {
/* more to come. don't close stdoutFd. close stderrFd and statusFd
* because the child is not done */
close (stderrFd[0]);
close (statusFd[0]);
myExecCmdOut->status = bindStreamToIRods (LocalServerHost, stdoutFd[0]);
if (myExecCmdOut->status < 0) {
rodsLog (LOG_ERROR,
"_rsExecCmd: bindStreamToIRods failed. status = %d",
myExecCmdOut->status);
close (stdoutFd[0]);
}
} else {
close (stdoutFd[0]);
readToByteBuf (stderrFd[0], &myExecCmdOut->stderrBuf);
close (stderrFd[0]);
memset (&statusBuf, 0, sizeof (statusBuf));
readToByteBuf (statusFd[0], &statusBuf);
close (statusFd[0]);
if (statusBuf.len == sizeof (int) + 1) {
myExecCmdOut->status = *((int *)statusBuf.buf);
free (statusBuf.buf);
}
childStatus = 0;
#ifndef windows_platform /* UNIX */
status = waitpid (childPid, &childStatus, 0);
if (status >= 0 && myExecCmdOut->status >= 0 && childStatus != 0) {
rodsLog (LOG_ERROR,
"_rsExecCmd: waitpid status = %d, myExecCmdOut->status = %d, childStatus = %d", status, myExecCmdOut->status, childStatus);
myExecCmdOut->status = EXEC_CMD_ERROR;
}
}
#endif
return (myExecCmdOut->status);
}