void Compiler::feedFile(const char *fileName){
FILE *a = fopen(fileName,"r");
if(!a){
throw Exception(NULL).set("cannot open file %s",fileName);
}
try {
char buf[1024];
notifyNewFile(fileName);
while(fgets(buf,1024,a)!=NULL) {
feed(buf);
}
fclose(a);
} catch(...) {
fclose(a);
notifyNewFile(NULL);
throw;
}
notifyNewFile(NULL);
}
void DirectoryListingService::updateEntries() {
ScopeLock lock(_mutex);
// stat directory for modification date
struct stat dirStat;
if (stat(_dir.c_str(), &dirStat) != 0) {
UM_LOG_ERR("Error with stat on directory '%s': %s", _dir.c_str(), strerror(errno));
return;
}
if ((unsigned)dirStat.st_mtime >= (unsigned)_lastChecked) {
// there are changes in the directory
set<string> currEntries;
#ifndef WIN32
DIR *dp;
dp = opendir(_dir.c_str());
if (dp == NULL) {
UM_LOG_ERR("Error opening directory '%s': %s", _dir.c_str(), strerror(errno));
return;
}
// iterate all entries and see what changed
struct dirent* entry;
while((entry = readdir(dp))) {
string dname = entry->d_name;
#else
WIN32_FIND_DATA ffd;
HANDLE hFind = INVALID_HANDLE_VALUE;
TCHAR szDir[MAX_PATH];
StringCchCopy(szDir, MAX_PATH, _dir.c_str());
StringCchCat(szDir, MAX_PATH, TEXT("\\*"));
hFind = FindFirstFile(szDir, &ffd);
do {
string dname = ffd.cFileName;
#endif
// see if the file was changed
char* filename;
asprintf(&filename, "%s/%s", _dir.c_str(), dname.c_str());
struct stat fileStat;
if (stat(filename, &fileStat) != 0) {
UM_LOG_ERR("Error with stat on directory entry '%s': %s", filename, strerror(errno));
free(filename);
continue;
}
if (fileStat.st_mode & S_IFDIR) {
// ignore directories
free(filename);
continue;
}
// are we interested in such a file?
if (!filter(dname)) {
free(filename);
continue;
}
currEntries.insert(dname);
if (_knownEntries.find(dname) != _knownEntries.end()) {
// we have seen this entry before
struct stat oldStat = _knownEntries[dname];
if (oldStat.st_mtime < fileStat.st_mtime) {
notifyModifiedFile(dname, fileStat);
}
} else {
// we have not yet seen this entry
notifyNewFile(dname, fileStat);
}
free(filename);
_knownEntries[dname] = fileStat; // gets copied on insertion
#ifndef WIN32
}
closedir(dp);
#else
}
while (FindNextFile(hFind, &ffd) != 0);
FindClose(hFind);
#endif
// are there any known entries we have not seen this time around?
map<string, struct stat>::iterator fileIter = _knownEntries.begin();
while(fileIter != _knownEntries.end()) {
if (currEntries.find(fileIter->first) == currEntries.end()) {
// we used to know this file
notifyRemovedFile(fileIter->first, fileIter->second);
_knownEntries.erase(fileIter->first);
}
fileIter++;
}
// remember when we last checked the directory for modifications
#ifndef WIN32
time(&_lastChecked);
#else
// TODO: this will fail with subsecond updates to the directory
_lastChecked = dirStat.st_mtime + 1;
#endif
}