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added methods to CLog for getting the outputter, getting and

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setting the priority filter, and added code for thread safety.
added code to apps to enable thread safety in CLog.
This commit is contained in:
crs
2002-05-31 14:25:26 +00:00
parent 70f5f9491d
commit 536eb52337
4 changed files with 184 additions and 19 deletions
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82
base/CLog.cpp
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@@ -9,7 +9,6 @@
#define vsnprintf _vsnprintf
#endif
static int g_maxPriority = -1;
static const char* g_priority[] = {
"FATAL",
"ERROR",
@@ -33,6 +32,8 @@ static const int g_newlineLength = 2;
//
CLog::Outputter CLog::s_outputter = NULL;
CLog::Lock CLog::s_lock = &CLog::dummyLock;
int CLog::s_maxPriority = -1;
void CLog::print(const char* fmt, ...)
{
@@ -100,31 +101,75 @@ void CLog::printt(const char* file, int line,
void CLog::setOutputter(Outputter outputter)
{
CHoldLock lock(s_lock);
s_outputter = outputter;
}
CLog::Outputter CLog::getOutputter()
{
CHoldLock lock(s_lock);
return s_outputter;
}
void CLog::setLock(Lock newLock)
{
CHoldLock lock(s_lock);
s_lock = (newLock == NULL) ? dummyLock : newLock;
}
CLog::Lock CLog::getLock()
{
CHoldLock lock(s_lock);
return (s_lock == dummyLock) ? NULL : s_lock;
}
void CLog::setFilter(int maxPriority)
{
CHoldLock lock(s_lock);
s_maxPriority = maxPriority;
}
int CLog::getFilter()
{
CHoldLock lock(s_lock);
return getMaxPriority();
}
void CLog::dummyLock(bool)
{
// do nothing
}
int CLog::getMaxPriority()
{
CHoldLock lock(s_lock);
if (s_maxPriority == -1) {
#if defined(NDEBUG)
s_maxPriority = 4;
#else
s_maxPriority = 5;
#endif
const char* priEnv = getenv("SYN_LOG_PRI");
if (priEnv != NULL) {
for (int i = 0; i < g_numPriority; ++i) {
if (strcmp(priEnv, g_priority[i]) == 0) {
s_maxPriority = i;
break;
}
}
}
}
return s_maxPriority;
}
void CLog::output(int priority, char* msg)
{
assert(priority >= 0 && priority < g_numPriority);
assert(msg != 0);
if (g_maxPriority == -1) {
#if defined(NDEBUG)
g_maxPriority = 4;
#else
g_maxPriority = 5;
#endif
const char* priEnv = getenv("SYN_LOG_PRI");
if (priEnv != NULL) {
for (int i = 0; i < g_numPriority; ++i)
if (strcmp(priEnv, g_priority[i]) == 0) {
g_maxPriority = i;
break;
}
}
}
if (priority <= g_maxPriority) {
if (priority <= getMaxPriority()) {
// insert priority label
int n = strlen(g_priority[priority]);
sprintf(msg + g_maxPriorityLength - n, "%s:", g_priority[priority]);
@@ -138,6 +183,7 @@ void CLog::output(int priority, char* msg)
#endif
// print it
CHoldLock lock(s_lock);
if (s_outputter) {
s_outputter(msg + g_maxPriorityLength - n);
}