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Merge pull request #21 from john30/master

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some fixes, better support for CSV, nicer logging
This commit is contained in:
Roland Jax
2014-12-13 15:07:30 +01:00
parent e904ad8d99 1f116aada7
commit cbbca0b40a
12 changed files with 329 additions and 248 deletions
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src/ebusd/baseloop.cpp
+114 -114
View File
@@ -195,35 +195,57 @@ void BaseLoop::logRaw(const unsigned char byte, bool received) {
string BaseLoop::decodeMessage(const string& data)
{
ostringstream result;
string cycdata, polldata;
// prepare data
string token;
istringstream stream(data);
vector<string> cmd;
Message* message;
vector<string> args;
while (getline(stream, token, ' ') != 0)
cmd.push_back(token);
args.push_back(token);
if (cmd.size() == 0)
if (args.size() == 0)
return "command missing";
switch (getCase(cmd[0])) {
size_t argPos = 1;
bool force = false;
switch (getCase(args[0])) {
case ct_invalid:
result << "command not found";
break;
case ct_get:
if (cmd.size() < 2 || cmd.size() > 4) {
result << "usage: 'get [class] cmd' or 'get class cmd sub'";
case ct_read: {
if (args.size() > argPos && args[argPos] == "-f") {
force = true;
argPos++;
}
if (args.size() < argPos + 1 || args.size() > argPos + 3) {
result << "usage: 'read [-f] [class] cmd' or 'read [-f] class cmd sub'";
break;
}
if (cmd.size() == 2)
message = m_messages->find("", cmd[1], false);
Message* updateMessage = NULL;
if (force == false) {
if (args.size() == argPos + 1)
updateMessage = m_messages->find("", args[argPos], false, true);
else
updateMessage = m_messages->find(args[argPos], args[argPos + 1], false, true);
if (updateMessage != NULL) {
token = updateMessage->getLastValue();
if (token.empty() == false) {
result << token;
break;
} // else try to read directly from bus
}
}
Message* message;
if (args.size() == argPos + 1)
message = m_messages->find("", args[argPos], false);
else
message = m_messages->find(cmd[1], cmd[2], false);
message = m_messages->find(args[argPos], args[argPos + 1], false);
if (message != NULL) {
@@ -232,21 +254,19 @@ string BaseLoop::decodeMessage(const string& data)
token = message->getLastValue();
if (token.empty() == false) {
result << token;
} else {
result << "no data stored";
}
break;
break;
} // else: read directly from bus
}
SymbolString master;
istringstream input;
result_t ret = message->prepareMaster(m_ownAddress, master, input);
if (ret != RESULT_OK) {
L.log(bas, error, " prepare read: %s", getResultCode(ret));
L.log(bas, error, "prepare read: %s", getResultCode(ret));
result << getResultCode(ret);
break;
}
L.log(bas, event, " read msg: %s", master.getDataStr().c_str());
L.log(bas, event, "read cmd: %s", master.getDataStr().c_str());
// send message
SymbolString slave;
@@ -257,34 +277,35 @@ string BaseLoop::decodeMessage(const string& data)
ret = message->decode(pt_slaveData, slave, result); // decode data
}
if (ret != RESULT_OK) {
L.log(bas, error, " read: %s", getResultCode(ret));
L.log(bas, error, "read: %s", getResultCode(ret));
result << getResultCode(ret);
}
} else if (updateMessage != NULL) {
result << "no data stored";
} else {
result << "get command not found";
result << "message not defined";
}
break;
case ct_set:
if (cmd.size() != 4) {
result << "usage: 'set class cmd value'";
}
case ct_write: {
if (args.size() != argPos + 3) {
result << "usage: 'write class cmd value[;value]*'";
break;
}
message = m_messages->find(cmd[1], cmd[2], true);
Message* message = m_messages->find(args[argPos], args[argPos + 1], true);
if (message != NULL) {
SymbolString master;
istringstream input(cmd[3]);
istringstream input(args[argPos + 2]);
result_t ret = message->prepareMaster(m_ownAddress, master, input);
if (ret != RESULT_OK) {
L.log(bas, error, " prepare write: %s", getResultCode(ret));
L.log(bas, error, "prepare write: %s", getResultCode(ret));
result << getResultCode(ret);
break;
}
L.log(bas, event, " write msg: %s", master.getDataStr().c_str());
L.log(bas, event, "write cmd: %s", master.getDataStr().c_str());
// send message
SymbolString slave;
@@ -300,79 +321,58 @@ string BaseLoop::decodeMessage(const string& data)
}
}
if (ret != RESULT_OK) {
L.log(bas, error, " write: %s", getResultCode(ret));
L.log(bas, error, "write: %s", getResultCode(ret));
result << getResultCode(ret);
}
} else {
result << "set command not found";
result << "message not defined";
}
break;
case ct_cyc:
if (cmd.size() < 2 || cmd.size() > 3) {
result << "usage: 'cyc [class] cmd'";
break;
}
if (cmd.size() == 2)
message = m_messages->find("", cmd[1], false, true);
else
message = m_messages->find(cmd[1], cmd[2], false, true);
if (message != NULL) {
token = message->getLastValue();
if (token.empty() == false) {
result << token;
} else {
result << "no data stored";
}
} else {
result << "cyc command not found";
}
break;
case ct_hex:
if (cmd.size() != 2) {
}
case ct_hex: {
if (args.size() < argPos + 1) {
result << "usage: 'hex value' (value: ZZPBSBNNDx)";
break;
}
{
cmd[1].erase(remove_if(cmd[1].begin(), cmd[1].end(), ::isspace), cmd[1].end());
string src;
ostringstream msg;
msg << hex << setw(2) << setfill('0') << static_cast<unsigned>(m_ownAddress);
msg << cmd[1];
SymbolString master(msg.str());
L.log(bas, event, " hex msg: %s", master.getDataStr().c_str());
// send message
SymbolString slave;
result_t ret = m_busHandler->sendAndWait(master, slave);
if (ret == RESULT_OK) {
if (master[1] == BROADCAST || isMaster(master[1]))
result << "done";
else
result << slave.getDataStr();
ostringstream msg;
msg << hex << setw(2) << setfill('0') << static_cast<unsigned>(m_ownAddress) << setw(0);
while (argPos < args.size()) {
if ((args[argPos].length() % 2) != 0) {
result << "invalid hex string";
msg.str("");
break;
}
if (ret != RESULT_OK) {
L.log(bas, error, " hex: %s", getResultCode(ret));
result << getResultCode(ret);
}
msg << args[argPos++];
}
if (msg.str().length() == 0)
break;
SymbolString master(msg.str());
L.log(bas, event, "hex cmd: %s", master.getDataStr().c_str());
// send message
SymbolString slave;
result_t ret = m_busHandler->sendAndWait(master, slave);
if (ret == RESULT_OK) {
if (master[1] == BROADCAST || isMaster(master[1]))
result << "done";
else
result << slave.getDataStr();
}
if (ret != RESULT_OK) {
L.log(bas, error, "hex: %s", getResultCode(ret));
result << getResultCode(ret);
}
break;
case ct_scan:
if (cmd.size() == 1) {
}
case ct_scan: {
if (args.size() == argPos) {
result_t ret = m_busHandler->startScan();
if (ret != RESULT_OK) {
L.log(bas, error, " scan: %s", getResultCode(ret));
L.log(bas, error, "scan: %s", getResultCode(ret));
result << getResultCode(ret);
}
else
@@ -380,10 +380,10 @@ string BaseLoop::decodeMessage(const string& data)
break;
}
if (strcasecmp(cmd[1].c_str(), "FULL") == 0) {
if (strcasecmp(args[argPos].c_str(), "FULL") == 0) {
result_t ret = m_busHandler->startScan(true);
if (ret != RESULT_OK) {
L.log(bas, error, " full scan: %s", getResultCode(ret));
L.log(bas, error, "full scan: %s", getResultCode(ret));
result << getResultCode(ret);
}
else
@@ -391,7 +391,7 @@ string BaseLoop::decodeMessage(const string& data)
break;
}
if (strcasecmp(cmd[1].c_str(), "RESULT") == 0) {
if (strcasecmp(args[argPos].c_str(), "RESULT") == 0) {
m_busHandler->formatScanResult(result);
break;
}
@@ -400,52 +400,53 @@ string BaseLoop::decodeMessage(const string& data)
<< " 'scan full'" << endl
<< " 'scan result'";
break;
case ct_log:
if (cmd.size() != 3 ) {
result << "usage: 'log areas area,area,..' (areas: bas|net|bus|cyc|all)" << endl
}
case ct_log: {
if (args.size() != 3 ) {
result << "usage: 'log areas area,area,..' (areas: bas|net|bus|upd|all)" << endl
<< " 'log level level' (level: error|event|trace|debug)";
break;
}
// TODO: check for possible areas and level
if (strcasecmp(cmd[1].c_str(), "AREAS") == 0) {
L.getSink(0)->setAreas(calcAreas(cmd[2]));
if (strcasecmp(args[argPos].c_str(), "AREAS") == 0) {
L.getSink(0)->setAreas(calcAreas(args[argPos + 1]));
result << "done";
break;
}
if (strcasecmp(cmd[1].c_str(), "LEVEL") == 0) {
L.getSink(0)->setLevel(calcLevel(cmd[2]));
if (strcasecmp(args[argPos].c_str(), "LEVEL") == 0) {
L.getSink(0)->setLevel(calcLevel(args[argPos + 1]));
result << "done";
break;
}
result << "usage: 'log areas area,area,..' (areas: bas|net|bus|cyc|all)" << endl
result << "usage: 'log areas area,area,..' (areas: bas|net|bus|upd|all)" << endl
<< " 'log level level' (level: error|event|trace|debug)";
break;
case ct_raw:
if (cmd.size() != 1) {
}
case ct_raw: {
if (args.size() != 1) {
result << "usage: 'raw'";
break;
}
m_port->setLogRaw(!m_port->getLogRaw());
result << "done";
bool enabled = !m_port->getLogRaw();
m_port->setLogRaw(enabled);
result << (enabled ? "raw output enabled" : "raw output disabled");
break;
case ct_dump:
if (cmd.size() != 1) {
}
case ct_dump: {
if (args.size() != 1) {
result << "usage: 'dump'";
break;
}
m_port->setDumpRaw(!m_port->getDumpRaw());
result << "done";
bool enabled = !m_port->getDumpRaw();
m_port->setDumpRaw(enabled);
result << (enabled ? "dump enabled" : "dump disabled");
break;
}
/*case ct_reload:
if (cmd.size() != 1) {
result << "usage: 'reload'";
@@ -470,14 +471,13 @@ string BaseLoop::decodeMessage(const string& data)
case ct_help:
result << "commands:" << endl
<< " get - fetch ebus data 'get [class] cmd (sub)'" << endl
<< " set - set ebus values 'set class cmd value'" << endl
<< " cyc - fetch cycle data 'cyc [class] cmd (sub)'" << endl
<< " read - read ebus values 'read [-f] [class] cmd [sub]'" << endl
<< " write - write ebus values 'write class cmd value[;value]*'" << endl
<< " hex - send given hex value 'hex type value' (value: ZZPBSBNNDx)" << endl << endl
<< " scan - scan ebus kown addresses 'scan'" << endl
<< " - scan ebus all addresses 'scan full'" << endl
<< " - show results 'scan result'" << endl << endl
<< " log - change log areas 'log areas area,area,..' (areas: bas|net|bus|cyc|all)" << endl
<< " log - change log areas 'log areas area,area,..' (areas: bas|net|bus|upd|all)" << endl
<< " - change log level 'log level level' (level: error|event|trace|debug)" << endl << endl
<< " raw - toggle log raw data 'raw'" << endl
<< " dump - toggle dump state 'dump'" << endl << endl
src/ebusd/baseloop.h
+5 -7
View File
@@ -30,10 +30,9 @@ using namespace std;
/** possible client commands */
enum CommandType {
ct_get, /*!< get ebus data */
ct_set, /*!< set ebus value */
ct_cyc, /*!< fetch cycle data */
ct_hex, /*!< send hex value */
ct_read, /*!< read ebus values */
ct_write, /*!< write ebus values */
ct_hex, /*!< send hex data */
ct_scan, /*!< scan ebus */
ct_log, /*!< logger settings */
ct_raw, /*!< toggle log raw data */
@@ -118,9 +117,8 @@ private:
*/
CommandType getCase(const string& item)
{
if (strcasecmp(item.c_str(), "GET") == 0) return ct_get;
if (strcasecmp(item.c_str(), "SET") == 0) return ct_set;
if (strcasecmp(item.c_str(), "CYC") == 0) return ct_cyc;
if (strcasecmp(item.c_str(), "READ") == 0) return ct_read;
if (strcasecmp(item.c_str(), "WRITE") == 0) return ct_write;
if (strcasecmp(item.c_str(), "HEX") == 0) return ct_hex;
if (strcasecmp(item.c_str(), "SCAN") == 0) return ct_scan;
if (strcasecmp(item.c_str(), "LOG") == 0) return ct_log;
src/ebusd/bushandler.cpp
+22 -16
View File
@@ -64,7 +64,7 @@ result_t PollRequest::prepare(unsigned char ownMasterAddress)
istringstream input;
result_t result = m_message->prepareMaster(ownMasterAddress, m_master, input);
if (result == RESULT_OK)
L.log(bus, event, " poll msg: %s", m_master.getDataStr().c_str());
L.log(bus, event, "poll cmd: %s", m_master.getDataStr().c_str());
return result;
}
@@ -86,7 +86,7 @@ result_t ScanRequest::prepare(unsigned char ownMasterAddress, unsigned char dstA
istringstream input;
result_t result = m_message->prepareMaster(ownMasterAddress, m_master, input, UI_FIELD_SEPARATOR, dstAddress);
if (result == RESULT_OK)
L.log(bus, event, " scan msg: %s", m_master.getDataStr().c_str());
L.log(bus, event, "scan cmd: %s", m_master.getDataStr().c_str());
return result;
}
@@ -96,8 +96,10 @@ void ScanRequest::notify(result_t result)
m_scanResult << hex << setw(2) << setfill('0') << static_cast<unsigned>(m_master[1]) << UI_FIELD_SEPARATOR;
result = m_message->decode(pt_slaveData, m_slave, m_scanResult); // decode data
}
if (result != RESULT_OK)
L.log(bus, error, "scan %x failed: %s", m_master[1], getResultCode(result));
if (result == RESULT_OK)
L.log(bus, event, "scan result: %s", m_scanResult.str().c_str());
else
L.log(bus, error, "scan %2.2x failed: %s", m_master[1], getResultCode(result));
}
@@ -138,6 +140,9 @@ bool ActiveBusRequest::wait(int timeout)
void ActiveBusRequest::notify(result_t result)
{
if (result == RESULT_OK)
L.log(bus, trace, "read res: %s", m_slave.getDataStr().c_str());
pthread_mutex_lock(&m_mutex);
m_result = result;
@@ -163,7 +168,7 @@ result_t BusHandler::sendAndWait(SymbolString& master, SymbolString& slave)
if (result == RESULT_OK)
break;
L.log(bus, error, " %s, %s", getResultCode(result), sendRetries>0 ? "retry send" : "give up");
L.log(bus, error, "%s, %s", getResultCode(result), sendRetries>0 ? "retry send" : "give up");
request->m_busLostRetries = 0;
}
@@ -218,7 +223,7 @@ result_t BusHandler::handleSymbol()
PollRequest* request = new PollRequest(m_response, message);
result_t ret = request->prepare(m_ownMasterAddress);
if (ret != RESULT_OK) {
L.log(bus, error, " prepare poll message: %s", getResultCode(ret));
L.log(bus, error, "prepare poll message: %s", getResultCode(ret));
delete request;
}
else {
@@ -557,19 +562,20 @@ result_t BusHandler::setState(BusState state, result_t result, bool firstRepetit
{
if (m_request != NULL) {
if (result == RESULT_ERR_BUS_LOST && m_request->m_busLostRetries < m_busLostRetries) {
L.log(bus, error, " %s, retry", getResultCode(result));
L.log(bus, error, "%s, retry", getResultCode(result));
m_request->m_busLostRetries++;
m_requests.add(m_request); // repeat
m_request = NULL;
} else if (state == bs_sendSyn || (result != RESULT_OK && firstRepetition == false)) {
L.log(bus, debug, "notify request: %s", getResultCode(result));
m_request->m_slave = SymbolString(m_response, false, false);
unsigned char dstAddress = m_request->m_master[1];
if (result == RESULT_OK && isValidAddress(dstAddress, false) == true)
m_seenAddresses[dstAddress] = true;
m_request->notify(result);
if (m_request->m_deleteOnFinish == true) {
if (result == RESULT_OK && typeid(*m_request) == typeid(ScanRequest)) {
unsigned char dstAddress = m_request->m_master[1];
string res = ((ScanRequest*)m_request)->m_scanResult.str();
L.log(bus, debug, " scan result %x: %s", dstAddress, res.c_str());
m_scanResults[dstAddress] = res;
}
delete m_request;
@@ -582,9 +588,9 @@ result_t BusHandler::setState(BusState state, result_t result, bool firstRepetit
return result;
if (result < RESULT_OK || (result != RESULT_OK && state == bs_skip))
L.log(bus, debug, " %s during %s, switching to %s", getResultCode(result), getStateCode(m_state), getStateCode(state));
L.log(bus, debug, "%s during %s, switching to %s", getResultCode(result), getStateCode(m_state), getStateCode(state));
else if (m_request != NULL || state == bs_sendCmd || state==bs_sendResAck || state==bs_sendSyn)
L.log(bus, debug, " switching from %s to %s", getStateCode(m_state), getStateCode(state));
L.log(bus, debug, "switching from %s to %s", getStateCode(m_state), getStateCode(state));
m_state = state;
if (state == bs_ready || state == bs_skip) {
@@ -605,12 +611,12 @@ void BusHandler::receiveCompleted()
m_seenAddresses[m_command[0]] = true;
if (dstAddress == BROADCAST)
L.log(bus, trace, "received BC %s", m_command.getDataStr().c_str());
L.log(upd, trace, "update BC cmd: %s", m_command.getDataStr().c_str());
else if (master == true) {
L.log(bus, trace, "received MM %s", m_command.getDataStr().c_str());
L.log(upd, trace, "update MM cmd: %s", m_command.getDataStr().c_str());
m_seenAddresses[dstAddress] = true;
} else {
L.log(bus, trace, "received MS %s / %s", m_command.getDataStr().c_str(), m_response.getDataStr().c_str());
L.log(upd, trace, "update MS cmd: %s / %s", m_command.getDataStr().c_str(), m_response.getDataStr().c_str());
m_seenAddresses[dstAddress] = true;
}
@@ -623,10 +629,10 @@ void BusHandler::receiveCompleted()
if (result == RESULT_OK && dstAddress != BROADCAST && master == false)
result = message->decode(pt_slaveData, m_response, output, output.str().empty() == false);
if (result != RESULT_OK)
L.log(bus, error, "unable to parse %s %s from %s / %s: %s", clazz.c_str(), name.c_str(), m_command.getDataStr().c_str(), m_response.getDataStr().c_str(), getResultCode(result));
L.log(upd, error, "unable to parse %s %s from %s / %s: %s", clazz.c_str(), name.c_str(), m_command.getDataStr().c_str(), m_response.getDataStr().c_str(), getResultCode(result));
else {
string data = output.str();
L.log(bus, event, "%s %s: %s", clazz.c_str(), name.c_str(), data.c_str());
L.log(upd, event, "update %s %s: %s", clazz.c_str(), name.c_str(), data.c_str());
}
}
}
src/ebusd/ebusd.cpp
+1 -1
View File
@@ -89,7 +89,7 @@ void define_args()
"\tlog file name (/var/log/ebusd.log)");
A.addOption("logareas", "", OptVal("all"), dt_string, ot_mandatory,
"\tlog areas - bas|net|bus|cyc|all (all)");
"\tlog areas - bas|net|bus|upd|all (all)");
A.addOption("loglevel", "", OptVal("trace"), dt_string, ot_mandatory,
"\tlog level - error|event|trace|debug (event)");
src/lib/ebus/data.cpp
+14 -23
View File
@@ -105,13 +105,14 @@ unsigned int parseInt(const char* str, int base, const unsigned int minValue, co
return ret;
}
void printErrorPos(vector<string>::iterator begin, const vector<string>::iterator end, vector<string>::iterator pos)
void printErrorPos(vector<string>::iterator begin, const vector<string>::iterator end, vector<string>::iterator pos, string filename, size_t lineNo, result_t result)
{
if (pos > begin)
pos--;
cout << "Error reading \"" << filename << "\" line " << static_cast<unsigned>(pos.base()-begin.base()) << " value \"" << *pos << "\": " << getResultCode(result) << endl;
cout << "Erroneous item is here:" << endl;
bool first = true;
int cnt = 0;
if (pos > begin)
pos--;
while (begin != end) {
if (first == true)
first = false;
@@ -122,9 +123,12 @@ void printErrorPos(vector<string>::iterator begin, const vector<string>::iterato
}
}
if (begin < pos) {
cnt += (*begin).length();
cnt += 1+(*begin).length()+1;
} else if (begin == pos) {
cnt++;
}
cout << (*begin++);
string item = *begin++;
cout << TEXT_SEPARATOR << item << TEXT_SEPARATOR;
}
cout << endl;
cout << setw(cnt) << " " << setw(0) << "^" << endl;
@@ -478,19 +482,6 @@ result_t StringDataField::readSymbols(SymbolString& input,
incr = -1;
}
switch (m_dataType.type) // initialize output
{
case bt_hexstr:
output << setw(2) << hex << setfill('0');
break;
case bt_dat:
case bt_tim:
output << setw(2) << dec << setfill('0');
break;
default:
output << setw(0) << dec;
}
for (size_t offset = start, i = 0; i < count; offset += incr, i++) {
if (m_length == 4 && i == 2 && m_dataType.type == bt_dat)
continue; // skip weekday in between
@@ -505,7 +496,7 @@ result_t StringDataField::readSymbols(SymbolString& input,
case bt_hexstr:
if (i > 0)
output << ' ';
output << static_cast<unsigned>(ch);
output << setw(2) << hex << setfill('0') << static_cast<unsigned>(ch);
break;
case bt_dat:
if (i + 1 == m_length)
@@ -513,7 +504,7 @@ result_t StringDataField::readSymbols(SymbolString& input,
else if (ch < 1 || (i == 0 && ch > 31) || (i == 1 && ch > 12))
return RESULT_ERR_OUT_OF_RANGE; // invalid date
else
output << static_cast<unsigned>(ch) << ".";
output << setw(2) << dec << setfill('0') << static_cast<unsigned>(ch) << ".";
break;
case bt_tim:
if (m_dataType.replacement != 0 && ch == m_dataType.replacement) {
@@ -539,12 +530,12 @@ result_t StringDataField::readSymbols(SymbolString& input,
return RESULT_ERR_OUT_OF_RANGE; // invalid time
if (i > 0)
output << ":";
output << static_cast<unsigned>(ch);
output << setw(2) << dec << setfill('0') << static_cast<unsigned>(ch);
break;
default:
if (ch < 0x20)
ch = m_dataType.replacement;
output << static_cast<char>(ch);
output << setw(0) << dec << static_cast<char>(ch);
break;
}
last = ch;
@@ -1221,7 +1212,7 @@ result_t DataFieldTemplates::add(DataField* field, bool replace)
return RESULT_OK;
}
result_t DataFieldTemplates::addFromFile(vector<string>& row, void* arg, vector< vector<string> >* defaults)
result_t DataFieldTemplates::addFromFile(vector<string>& row, void* arg, vector< vector<string> >* defaults, const string& filename, unsigned int lineNo)
{
DataField* field = NULL;
vector<string>::iterator it = row.begin();
src/lib/ebus/data.h
+3 -80
View File
@@ -22,6 +22,7 @@
#include "symbol.h"
#include "result.h"
#include "filereader.h"
#include <string>
#include <iostream>
#include <sstream>
@@ -31,9 +32,6 @@
using namespace std;
/** the separator character used between fields (in CSV only). */
#define FIELD_SEPARATOR ','
/** the separator character used between multiple values (in CSV only). */
#define VALUE_SEPARATOR ';'
@@ -103,7 +101,7 @@ unsigned int parseInt(const char* str, int base, const unsigned int minValue, co
* @param pos the iterator with the erroneous position.
* @param separator the character to place between items.
*/
void printErrorPos(vector<string>::iterator begin, const vector<string>::iterator end, vector<string>::iterator pos);
void printErrorPos(vector<string>::iterator begin, const vector<string>::iterator end, vector<string>::iterator pos, string filename, size_t lineNo, result_t result);
class DataFieldTemplates;
@@ -585,81 +583,6 @@ private:
};
/**
* @brief An abstract class that support reading definitions from a file.
*/
template<typename T>
class FileReader
{
public:
/**
* @brief Constructs a new instance.
*/
FileReader(bool supportsDefaults)
: m_supportsDefaults(supportsDefaults) {}
/**
* @brief Destructor.
*/
virtual ~FileReader() {}
/**
* @brief Reads the definitions from a file.
* @param filename the name (and path) of the file to read.
* @return @a RESULT_OK on success, or an error code.
*/
virtual result_t readFromFile(string filename, T arg=NULL)
{
ifstream ifs;
ifs.open(filename.c_str(), ifstream::in);
if (ifs.is_open() == false)
return RESULT_ERR_NOTFOUND;
string line;
unsigned int lineNo = 0;
vector<string> row;
string token;
vector< vector<string> > defaults;
while (getline(ifs, line) != 0) {
lineNo++;
// skip empty lines and comments
if (line.length() == 0 || line.substr(0, 1) == "#" || line.substr(0, 2) == "//")
continue;
istringstream isstr(line);
row.clear();
while (getline(isstr, token, FIELD_SEPARATOR) != 0)
row.push_back(token);
if (m_supportsDefaults == true && line.substr(0, 1) == "*") {
row[0] = row[0].substr(1);
defaults.push_back(row);
continue;
}
result_t result = addFromFile(row, arg, m_supportsDefaults == true ? &defaults : NULL);
if (result != RESULT_OK) {
cerr << "error reading \"" << filename << "\" line " << static_cast<unsigned>(lineNo) << ": " << getResultCode(result) << endl;
ifs.close();
return result;
}
}
ifs.close();
return RESULT_OK;
}
/**
* @brief Adds a definition that was read from a file.
* @param row the definition row read from the file.
* @param defaults all previously read default rows (initial star char removed), or NULL if not supported.
* @return @a RESULT_OK on success, or an error code.
*/
virtual result_t addFromFile(vector<string>& row, T arg, vector< vector<string> >* defaults) = 0;
private:
/** whether this instance supports rows with defaults (starting with a star). */
bool m_supportsDefaults;
};
/**
* @brief A map of template @a DataField instances.
*/
@@ -688,7 +611,7 @@ public:
*/
result_t add(DataField* message, bool replace=false);
// @copydoc
virtual result_t addFromFile(vector<string>& row, void* arg, vector< vector<string> >* defaults);
virtual result_t addFromFile(vector<string>& row, void* arg, vector< vector<string> >* defaults, const string& filename, unsigned int lineNo);
/**
* @brief Gets the template @a DataField instance with the specified name.
* @return the template @a DataField instance, or NULL.
src/lib/ebus/filereader.h
+163
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@@ -0,0 +1,163 @@
/*
* Copyright (C) John Baier 2014 <ebusd@johnm.de>
*
* This file is part of ebusd.
*
* ebusd is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ebusd is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ebusd. If not, see http://www.gnu.org/licenses/.
*/
#ifndef LIBEBUS_FILEREADER_H_
#define LIBEBUS_FILEREADER_H_
#include "symbol.h"
#include "result.h"
#include <string>
#include <iostream>
#include <sstream>
#include <fstream>
#include <vector>
#include <map>
using namespace std;
/** the separator character used between fields. */
#define FIELD_SEPARATOR ','
/** the separator character used to quote text having the @a FIELD_SEPARATOR in it. */
#define TEXT_SEPARATOR '"'
/**
* @brief An abstract class that support reading definitions from a file.
*/
template<typename T>
class FileReader
{
public:
/**
* @brief Constructs a new instance.
*/
FileReader(bool supportsDefaults)
: m_supportsDefaults(supportsDefaults) {}
/**
* @brief Destructor.
*/
virtual ~FileReader() {}
/**
* @brief Reads the definitions from a file.
* @param filename the name (and path) of the file to read.
* @return @a RESULT_OK on success, or an error code.
*/
virtual result_t readFromFile(const string filename, T arg=NULL)
{
ifstream ifs;
ifs.open(filename.c_str(), ifstream::in);
if (ifs.is_open() == false)
return RESULT_ERR_NOTFOUND;
string line;
unsigned int lineNo = 0;
vector<string> row;
string token;
vector< vector<string> > defaults;
while (getline(ifs, line) != 0) {
lineNo++;
// skip empty lines and comments
size_t length = line.length();
if (length == 0 || line[0] == '#' || (line.length() > 1 && line[0] == '/' && line[1] == '/'))
continue;
row.clear();
bool quotedText = false;
ostringstream field;
char prev = FIELD_SEPARATOR;
for (size_t pos = 0; pos < length; pos++) {
char ch = line[pos];
switch (ch)
{
case FIELD_SEPARATOR:
if (quotedText == true)
field << ch;
else {
row.push_back(field.str());
field.str("");
}
break;
case TEXT_SEPARATOR:
if (quotedText == true) {
quotedText = false;
}
else if (prev == TEXT_SEPARATOR) { // double dquote
quotedText = true;
field << ch;
}
else if (prev == FIELD_SEPARATOR) {
quotedText = true;
}
else
field << ch;
break;
case '\r':
break;
default:
field << ch;
break;
}
prev = ch;
}
row.push_back(field.str());
result_t result;
if (m_supportsDefaults == true) {
if (line[0] == '*') {
row[0] = row[0].substr(1);
defaults.push_back(row);
continue;
}
result = addFromFile(row, arg, &defaults, filename, lineNo);
}
else
result = addFromFile(row, arg, NULL, filename, lineNo);
if (result != RESULT_OK) {
cerr << "error reading \"" << filename << "\" line " << static_cast<unsigned>(lineNo) << ": " << getResultCode(result) << endl;
ifs.close();
return result;
}
}
ifs.close();
return RESULT_OK;
}
/**
* @brief Adds a definition that was read from a file.
* @param row the definition row read from the file.
* @param defaults all previously read default rows (initial star char removed), or NULL if not supported.
* @return @a RESULT_OK on success, or an error code.
*/
virtual result_t addFromFile(vector<string>& row, T arg, vector< vector<string> >* defaults, const string& filename, unsigned int lineNo) = 0;
private:
/** whether this instance supports rows with defaults (starting with a star). */
bool m_supportsDefaults;
};
#endif // LIBEBUS_FILEREADER_H_
src/lib/ebus/message.cpp
+3 -3
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@@ -369,7 +369,7 @@ result_t MessageMap::add(Message* message)
return RESULT_OK;
}
result_t MessageMap::addFromFile(vector<string>& row, DataFieldTemplates* arg, vector< vector<string> >* defaults)
result_t MessageMap::addFromFile(vector<string>& row, DataFieldTemplates* arg, vector< vector<string> >* defaults, const string& filename, unsigned int lineNo)
{
Message* message = NULL;
string types = row[0];
@@ -384,8 +384,8 @@ result_t MessageMap::addFromFile(vector<string>& row, DataFieldTemplates* arg, v
vector<string>::iterator it = row.begin();
result = Message::create(it, row.end(), defaults, arg, message);
if (result != RESULT_OK) {
printErrorPos(row.begin(), row.end(), it);
return result;
printErrorPos(row.begin(), row.end(), it, filename, lineNo, result);
continue;
}
result = add(message);
if (result != RESULT_OK) {
src/lib/ebus/message.h
+1 -1
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@@ -264,7 +264,7 @@ public:
*/
result_t add(Message* message);
// @copydoc
virtual result_t addFromFile(vector<string>& row, DataFieldTemplates* arg, vector< vector<string> >* defaults);
virtual result_t addFromFile(vector<string>& row, DataFieldTemplates* arg, vector< vector<string> >* defaults, const string& filename, unsigned int lineNo);
/**
* @brief Find the @a Message instance for the specified class and name.
* @param class the optional device class.
src/lib/ebus/test/test_message.cpp
+1 -1
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@@ -113,7 +113,7 @@ int main()
if (result != RESULT_OK) {
cout << "\"" << check[0] << "\": create error: "
<< getResultCode(result) << endl;
printErrorPos(entries.begin(), entries.end(), it);
printErrorPos(entries.begin(), entries.end(), it, "", 0, result);
continue;
}
if (deleteMessage == NULL) {
src/lib/utils/logger.cpp
+1 -1
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@@ -31,7 +31,7 @@
using namespace std;
/** static char array with logging area names */
static const char* AreaNames[Size_of_Areas] = { "bas", "net", "bus", "cyc" };
static const char* AreaNames[Size_of_Areas] = { "bas", "net", "bus", "upd" };
/** static char array with logging level names */
static const char* LevelNames[Size_of_Level] = { "error", "event", "trace", "debug" };
src/lib/utils/logger.h
+1 -1
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@@ -37,7 +37,7 @@ enum AreasType {
bas=1, /*!< basis */
net=2, /*!< network */
bus=4, /*!< ebus */
cyc=8, /*!< cycle */
upd=8, /*!< updates found while listening to the bus */
all=15, /*!< type for all subsystems */
Size_of_Areas=4 /*!< number of possible areas */
};