C-ARES: make debug logging completely runtime configurable.

[citadel.git] / citadel / event_client.h

diff --git a/citadel/event_client.h b/citadel/event_client.h
index 6ae8b27d3b740aa5d06e7556ccda0a87f4e550ec..d5c2741e02c027b534463dc9187e62755f182941 100644 (file)
--- a/citadel/event_client.h
+++ b/citadel/event_client.h
@@ -100,12 +100,12 @@ typedef struct _evcurl_request_data
 
 /* DNS Related */
 typedef struct __evcares_data {
+       ev_tstamp Start;
        ev_io recv_event,
                send_event;
        ev_timer timeout;           /* timeout while requesting ips */
-#ifdef DEBUG_CARES
        short int SourcePort;
-#endif
+
        struct ares_options Options;
        ares_channel Channel;
        DNSQueryParts *Query;
@@ -115,6 +115,9 @@ typedef struct __evcares_data {
 
 struct AsyncIO {
        long ID;
+       ev_tstamp Now;
+       ev_tstamp StartIO;
+       ev_tstamp StartDB;
        eNextState NextState;
 
        /* connection related */
@@ -175,51 +178,64 @@ typedef struct _IOAddHandler {
        IO_CallBack EvAttch;
 } IOAddHandler;
 
+
+
+extern int DebugEventLoop;
+extern int DebugCAres;
+
+#define EDBGLOG(LEVEL) if ((LEVEL != LOG_DEBUG) || (DebugEventLoop != 0))
+
 #define CCID ((CitContext*)IO->CitContext)->cs_pid
 
-#define EV_syslog(LEVEL, FORMAT, ...) \
-       syslog(LEVEL, "IO[%ld]CC[%d]" FORMAT, IO->ID, CCID, __VA_ARGS__)
+#define EVQ_syslog(LEVEL, FORMAT, ...)                                 \
+       EDBGLOG (LEVEL) syslog(LEVEL, "IOQ " FORMAT, __VA_ARGS__)
+
+#define EVQM_syslog(LEVEL, FORMAT)                     \
+       EDBGLOG (LEVEL) syslog(LEVEL, "IO " FORMAT)
 
-#define EVM_syslog(LEVEL, FORMAT) \
-       syslog(LEVEL, "IO[%ld]CC[%d]" FORMAT, IO->ID, CCID)
+#define EV_syslog(LEVEL, FORMAT, ...)                                  \
+       EDBGLOG (LEVEL) syslog(LEVEL, "IO[%ld]CC[%d] " FORMAT, IO->ID, CCID, __VA_ARGS__)
 
-#define EVNC_syslog(LEVEL, FORMAT, ...) \
-       syslog(LEVEL, "IO[%ld]" FORMAT, IO->ID, __VA_ARGS__)
+#define EVM_syslog(LEVEL, FORMAT)                                      \
+       EDBGLOG (LEVEL) syslog(LEVEL, "IO[%ld]CC[%d] " FORMAT, IO->ID, CCID)
 
-#define EVNCM_syslog(LEVEL, FORMAT) syslog(LEVEL, "IO[%ld]" FORMAT, IO->ID)
+#define EVNC_syslog(LEVEL, FORMAT, ...)                                        \
+       EDBGLOG (LEVEL) syslog(LEVEL, "IO[%ld] " FORMAT, IO->ID, __VA_ARGS__)
 
-#ifdef DEBUG_CARES
+#define EVNCM_syslog(LEVEL, FORMAT) EDBGLOG (LEVEL) syslog(LEVEL, "IO[%ld]" FORMAT, IO->ID)
+
+
+#define CDBGLOG() if (DebugCAres != 0)
+#define CEDBGLOG(LEVEL) if ((LEVEL != LOG_DEBUG) || (DebugCAres != 0))
 #define EV_DNS_LOG_START(a)                                                    \
-       syslog(LOG_DEBUG, "IO[%ld]CC[%d] + Starting " #a " %p FD %d", IO->ID, CCID, &IO->a, IO->a.fd); \
-       EV_backtrace(IO);
+       CDBGLOG () {syslog(LOG_DEBUG, "IO[%ld]CC[%d] + Starting " #a " %s %p FD %d", IO->ID, CCID, __FUNCTION__, &IO->a, IO->a.fd); \
+                   EV_backtrace(IO);}
 
 #define EV_DNS_LOG_STOP(a)                                                     \
-       syslog(LOG_DEBUG, "IO[%ld]CC[%d] - Stopping " #a " %p FD %d", IO->ID, CCID, &IO->a, IO->a.fd); \
-       EV_backtrace(IO);
+       CDBGLOG () { syslog(LOG_DEBUG, "IO[%ld]CC[%d] - Stopping " #a " %s %p FD %d", IO->ID, CCID, __FUNCTION__, &IO->a, IO->a.fd); \
+                    EV_backtrace(IO);}
 
 #define EV_DNS_LOG_INIT(a)                                                     \
-       syslog(LOG_DEBUG, "IO[%ld]CC[%d] * Init " #a " %p FD %d", IO->ID, CCID, &IO->a, IO->a.fd); \
-       EV_backtrace(IO);
+       CDBGLOG () { syslog(LOG_DEBUG, "IO[%ld]CC[%d] * Init " #a " %s %p FD %d", IO->ID, CCID, __FUNCTION__, &IO->a, IO->a.fd); \
+                    EV_backtrace(IO);}
 
 #define EV_DNS_LOGT_START(a)                                                   \
-       syslog(LOG_DEBUG, "IO[%ld]CC[%d] + Starting " #a " %p", IO->ID, CCID, &IO->a); \
-       EV_backtrace(IO);
+       CDBGLOG () { syslog(LOG_DEBUG, "IO[%ld]CC[%d] + Starting " #a " %s %p", IO->ID, CCID, __FUNCTION__, &IO->a); \
+                    EV_backtrace(IO);}
 
 #define EV_DNS_LOGT_STOP(a)                                                    \
-       syslog(LOG_DEBUG, "IO[%ld]CC[%d] - Stopping " #a " %p", IO->ID, CCID, &IO->a); \
-       EV_backtrace(IO);
+       CDBGLOG () { syslog(LOG_DEBUG, "IO[%ld]CC[%d] - Stopping " #a " %s %p", IO->ID, CCID, __FUNCTION__, &IO->a); \
+                    EV_backtrace(IO); }
 
 #define EV_DNS_LOGT_INIT(a)                                                    \
-       syslog(LOG_DEBUG, "IO[%ld]CC[%d] * Init " #a " %p", IO->ID, CCID, &IO->a); \
-       EV_backtrace(IO);
-#else
-#define EV_DNS_LOG_START(a)
-#define EV_DNS_LOG_STOP(a)
-#define EV_DNS_LOG_INIT(a)
-#define EV_DNS_LOGT_START(a)
-#define EV_DNS_LOGT_STOP(a)
-#define EV_DNS_LOGT_INIT(a)
-#endif
+       CDBGLOG () { syslog(LOG_DEBUG, "IO[%ld]CC[%d] * Init " #a " %p", IO->ID, CCID, &IO->a); \
+                    EV_backtrace(IO);}
+
+#define EV_DNS_syslog(LEVEL, FORMAT, ...)                              \
+       CEDBGLOG (LEVEL) syslog(LEVEL, "IO[%ld]CC[%d] " FORMAT, IO->ID, CCID, __VA_ARGS__)
+
+#define EVM_DNS_syslog(LEVEL, FORMAT)                                  \
+       CEDBGLOG (LEVEL) syslog(LEVEL, "IO[%ld]CC[%d] " FORMAT, IO->ID, CCID)
 
 void FreeAsyncIOContents(AsyncIO *IO);
 
@@ -253,15 +269,13 @@ void StopClientWatchers(AsyncIO *IO);
 
 void SetNextTimeout(AsyncIO *IO, double timeout);
 
-void InitC_ares_dns(AsyncIO *IO);
-
 #include <curl/curl.h>
 
 #define OPT(s, v) \
        do { \
                sta = curl_easy_setopt(chnd, (CURLOPT_##s), (v));       \
                if (sta)  {                                             \
-                       syslog(LOG_ERR,                         \
+                       EVQ_syslog(LOG_ERR,                             \
                               "error setting option " #s               \
                               " on curl handle: %s",                   \
                               curl_easy_strerror(sta));                \