From: José Bollo Date: Wed, 31 May 2017 09:32:46 +0000 (+0200) Subject: Add logging by request X-Git-Tag: dab_3.99.2~37 X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?p=src%2Fapp-framework-binder.git;a=commitdiff_plain;h=524ce4c40da3b25630dffdd80c5aca99364a3569 Add logging by request Change-Id: I6dda714bcb8c36392c14a1981cfb8960f3db45b8 Signed-off-by: José Bollo --- diff --git a/bindings/samples/HelloWorld.c b/bindings/samples/HelloWorld.c index 09c7d3e7..68af5fc6 100644 --- a/bindings/samples/HelloWorld.c +++ b/bindings/samples/HelloWorld.c @@ -325,9 +325,39 @@ static void callsync (struct afb_req request) } } +static void verbose (struct afb_req request) +{ + int level = 5; + json_object *query = afb_req_json(request), *l; + + if (json_object_is_type(query,json_type_int)) + level = json_object_get_int(query); + else if (json_object_object_get_ex(query, "level", &l) && json_object_is_type(l, json_type_int)) + level = json_object_get_int(l); + + if (!json_object_object_get_ex(query,"message",&l)) + l = query; + + AFB_REQ_VERBOSE(request, level, "verbose called for %s", json_object_get_string(l)); + afb_req_success(request, NULL, NULL); +} + static void exitnow (struct afb_req request) { - exit(0); + int code = 0; + json_object *query = afb_req_json(request), *l; + + if (json_object_is_type(query,json_type_int)) + code = json_object_get_int(query); + else if (json_object_object_get_ex(query, "code", &l) && json_object_is_type(l, json_type_int)) + code = json_object_get_int(l); + + if (!json_object_object_get_ex(query,"reason",&l)) + l = NULL; + + REQ_NOTICE(request, "in phase of exiting with code %d, reason: %s", code, l ? json_object_get_string(l) : "unknown"); + afb_req_success(request, NULL, NULL); + exit(code); } static int preinit() @@ -365,6 +395,7 @@ static const struct afb_verb_v2 verbs[]= { { "eventpush", eventpush , NULL, AFB_SESSION_NONE }, { "call", call , NULL, AFB_SESSION_NONE }, { "callsync", callsync , NULL, AFB_SESSION_NONE }, + { "verbose", verbose , NULL, AFB_SESSION_NONE }, { "exit", exitnow , NULL, AFB_SESSION_NONE }, { NULL} }; diff --git a/include/afb/afb-binding-v1.h b/include/afb/afb-binding-v1.h index b627d5c4..ef03a6b0 100644 --- a/include/afb/afb-binding-v1.h +++ b/include/afb/afb-binding-v1.h @@ -147,20 +147,38 @@ struct afb_binding_interface_v1 */ #if !defined(AFB_BINDING_PRAGMA_NO_VERBOSE_MACRO) # if !defined(AFB_BINDING_PRAGMA_NO_VERBOSE_DETAILS) -# define AFB_ERROR_V1(itf,...) do{if(itf->verbosity>=0)afb_daemon_verbose(itf->daemon,3,__FILE__,__LINE__,__VA_ARGS__);}while(0) -# define AFB_WARNING_V1(itf,...) do{if(itf->verbosity>=1)afb_daemon_verbose(itf->daemon,4,__FILE__,__LINE__,__VA_ARGS__);}while(0) -# define AFB_NOTICE_V1(itf,...) do{if(itf->verbosity>=1)afb_daemon_verbose(itf->daemon,5,__FILE__,__LINE__,__VA_ARGS__);}while(0) -# define AFB_INFO_V1(itf,...) do{if(itf->verbosity>=2)afb_daemon_verbose(itf->daemon,6,__FILE__,__LINE__,__VA_ARGS__);}while(0) -# define AFB_DEBUG_V1(itf,...) do{if(itf->verbosity>=3)afb_daemon_verbose(itf->daemon,7,__FILE__,__LINE__,__VA_ARGS__);}while(0) +# define _AFB_LOGGING_V1_(itf,vlevel,llevel,...) \ + do{ \ + if(itf->verbosity>=vlevel) \ + afb_daemon_verbose2_v1(itf->daemon,llevel,__FILE__,__LINE__,__func__,__VA_ARGS__); \ + }while(0) +# define _AFB_REQ_LOGGING_V1_(itf,vlevel,llevel,req,...) \ + do{ \ + if(itf->verbosity>=vlevel) \ + afb_req_verbose(req,llevel,__FILE__,__LINE__,__func__,__VA_ARGS__); \ + }while(0) # else -# define AFB_ERROR_V1(itf,...) do{if(itf->verbosity>=0)afb_daemon_verbose(itf->daemon,3,NULL,0,__VA_ARGS__);}while(0) -# define AFB_WARNING_V1(itf,...) do{if(itf->verbosity>=1)afb_daemon_verbose(itf->daemon,4,NULL,0,__VA_ARGS__);}while(0) -# define AFB_NOTICE_V1(itf,...) do{if(itf->verbosity>=1)afb_daemon_verbose(itf->daemon,5,NULL,0,__VA_ARGS__);}while(0) -# define AFB_INFO_V1(itf,...) do{if(itf->verbosity>=2)afb_daemon_verbose(itf->daemon,6,NULL,0,__VA_ARGS__);}while(0) -# define AFB_DEBUG_V1(itf,...) do{if(itf->verbosity>=3)afb_daemon_verbose(itf->daemon,7,NULL,0,__VA_ARGS__);}while(0) +# define _AFB_LOGGING_V1_(itf,vlevel,llevel,...) \ + do{ \ + if(itf->verbosity>=vlevel) \ + afb_daemon_verbose_v1(itf->daemon,llevel,NULL,0,NULL,__VA_ARGS__); \ + }while(0) +# define _AFB_REQ_LOGGING_V1_(itf,vlevel,llevel,req,...) \ + do{ \ + if(itf->verbosity>=vlevel) \ + afb_req_verbose(req,llevel,NULL,0,NULL,__VA_ARGS__); \ + }while(0) # endif +# define AFB_ERROR_V1(itf,...) _AFB_LOGGING_V1_(itf,0,3,__VA_ARGS__) +# define AFB_WARNING_V1(itf,...) _AFB_LOGGING_V1_(itf,1,4,__VA_ARGS__) +# define AFB_NOTICE_V1(itf,...) _AFB_LOGGING_V1_(itf,1,5,__VA_ARGS__) +# define AFB_INFO_V1(itf,...) _AFB_LOGGING_V1_(itf,2,6,__VA_ARGS__) +# define AFB_DEBUG_V1(itf,...) _AFB_LOGGING_V1_(itf,3,7,__VA_ARGS__) +# define AFB_REQ_ERROR_V1(itf,...) _AFB_REQ_LOGGING_V1_(itf,0,3,__VA_ARGS__) +# define AFB_REQ_WARNING_V1(itf,...) _AFB_REQ_LOGGING_V1_(itf,1,4,__VA_ARGS__) +# define AFB_REQ_NOTICE_V1(itf,...) _AFB_REQ_LOGGING_V1_(itf,1,5,__VA_ARGS__) +# define AFB_REQ_INFO_V1(itf,...) _AFB_REQ_LOGGING_V1_(itf,2,6,__VA_ARGS__) +# define AFB_REQ_DEBUG_V1(itf,...) _AFB_REQ_LOGGING_V1_(itf,3,7,__VA_ARGS__) #endif - - diff --git a/include/afb/afb-binding-v2.h b/include/afb/afb-binding-v2.h index e763f1cf..66601b23 100644 --- a/include/afb/afb-binding-v2.h +++ b/include/afb/afb-binding-v2.h @@ -96,18 +96,33 @@ struct afb_binding_data_v2 AFB_BINDING_DATA_NAME_V2 __attribute__ ((weak)); if(AFB_BINDING_DATA_NAME_V2.verbosity>=vlevel) \ afb_daemon_verbose_v2(llevel,__FILE__,__LINE__,__func__,__VA_ARGS__); \ }while(0) +# define _AFB_REQ_LOGGING_V2_(vlevel,llevel,req,...) \ + do{ \ + if(AFB_BINDING_DATA_NAME_V2.verbosity>=vlevel) \ + afb_req_verbose(req,llevel,__FILE__,__LINE__,__func__,__VA_ARGS__); \ + }while(0) # else # define _AFB_LOGGING_V2_(vlevel,llevel,...) \ do{ \ if(afbBindingV2data.verbosity>=vlevel) \ afb_daemon_verbose_v2(llevel,NULL,0,NULL,__VA_ARGS__); \ }while(0) +# define _AFB_REQ_LOGGING_V2_(vlevel,llevel,req,...) \ + do{ \ + if(AFB_BINDING_DATA_NAME_V2.verbosity>=vlevel) \ + afb_req_verbose(req,llevel,NULL,0,NULL,__VA_ARGS__); \ + }while(0) # endif -# define AFB_ERROR_V2(...) _AFB_LOGGING_V2_(0,3,__VA_ARGS__) -# define AFB_WARNING_V2(...) _AFB_LOGGING_V2_(1,4,__VA_ARGS__) -# define AFB_NOTICE_V2(...) _AFB_LOGGING_V2_(1,5,__VA_ARGS__) -# define AFB_INFO_V2(...) _AFB_LOGGING_V2_(2,6,__VA_ARGS__) -# define AFB_DEBUG_V2(...) _AFB_LOGGING_V2_(3,7,__VA_ARGS__) +# define AFB_ERROR_V2(...) _AFB_LOGGING_V2_(0,3,__VA_ARGS__) +# define AFB_WARNING_V2(...) _AFB_LOGGING_V2_(1,4,__VA_ARGS__) +# define AFB_NOTICE_V2(...) _AFB_LOGGING_V2_(1,5,__VA_ARGS__) +# define AFB_INFO_V2(...) _AFB_LOGGING_V2_(2,6,__VA_ARGS__) +# define AFB_DEBUG_V2(...) _AFB_LOGGING_V2_(3,7,__VA_ARGS__) +# define AFB_REQ_ERROR_V2(...) _AFB_REQ_LOGGING_V2_(0,3,__VA_ARGS__) +# define AFB_REQ_WARNING_V2(...) _AFB_REQ_LOGGING_V2_(1,4,__VA_ARGS__) +# define AFB_REQ_NOTICE_V2(...) _AFB_REQ_LOGGING_V2_(1,5,__VA_ARGS__) +# define AFB_REQ_INFO_V2(...) _AFB_REQ_LOGGING_V2_(2,6,__VA_ARGS__) +# define AFB_REQ_DEBUG_V2(...) _AFB_REQ_LOGGING_V2_(3,7,__VA_ARGS__) #endif #include "afb-daemon-v2.h" diff --git a/include/afb/afb-binding.h b/include/afb/afb-binding.h index e2fd34d8..a7872517 100644 --- a/include/afb/afb-binding.h +++ b/include/afb/afb-binding.h @@ -102,6 +102,12 @@ # define INFO AFB_INFO_V1 # define DEBUG AFB_DEBUG_V1 +# define REQ_ERROR AFB_REQ_ERROR_V1 +# define REQ_WARNING AFB_REQ_WARNING_V1 +# define REQ_NOTICE AFB_REQ_NOTICE_V1 +# define REQ_INFO AFB_REQ_INFO_V1 +# define REQ_DEBUG AFB_REQ_DEBUG_V1 + # endif #define afb_daemon_get_event_loop afb_daemon_get_event_loop_v1 @@ -147,6 +153,12 @@ # define INFO AFB_INFO_V2 # define DEBUG AFB_DEBUG_V2 +# define REQ_ERROR AFB_REQ_ERROR_V2 +# define REQ_WARNING AFB_REQ_WARNING_V2 +# define REQ_NOTICE AFB_REQ_NOTICE_V2 +# define REQ_INFO AFB_REQ_INFO_V2 +# define REQ_DEBUG AFB_REQ_DEBUG_V2 + # endif #define afb_daemon_get_event_loop afb_daemon_get_event_loop_v2 diff --git a/include/afb/afb-daemon-v1.h b/include/afb/afb-daemon-v1.h index 84095e04..6390dd16 100644 --- a/include/afb/afb-daemon-v1.h +++ b/include/afb/afb-daemon-v1.h @@ -74,8 +74,21 @@ static inline struct afb_event afb_daemon_make_event_v1(struct afb_daemon daemon /* * Send a message described by 'fmt' and following parameters * to the journal for the verbosity 'level'. - * 'file' and 'line' are indicators of position of the code in source files. + * + * 'file' and 'line' are indicators of position of the code in source files + * (see macros __FILE__ and __LINE__). + * * 'daemon' MUST be the daemon given in interface when activating the binding. + * + * 'level' is defined by syslog standard: + * EMERGENCY 0 System is unusable + * ALERT 1 Action must be taken immediately + * CRITICAL 2 Critical conditions + * ERROR 3 Error conditions + * WARNING 4 Warning conditions + * NOTICE 5 Normal but significant condition + * INFO 6 Informational + * DEBUG 7 Debug-level messages */ static inline void afb_daemon_verbose_v1(struct afb_daemon daemon, int level, const char *file, int line, const char *fmt, ...) __attribute__((format(printf, 5, 6))); static inline void afb_daemon_verbose_v1(struct afb_daemon daemon, int level, const char *file, int line, const char *fmt, ...) @@ -86,6 +99,34 @@ static inline void afb_daemon_verbose_v1(struct afb_daemon daemon, int level, co va_end(args); } +/* + * Send a message described by 'fmt' and following parameters + * to the journal for the verbosity 'level'. + * + * 'file', 'line' and 'func' are indicators of position of the code in source files + * (see macros __FILE__, __LINE__ and __func__). + * + * 'daemon' MUST be the daemon given in interface when activating the binding. + * + * 'level' is defined by syslog standard: + * EMERGENCY 0 System is unusable + * ALERT 1 Action must be taken immediately + * CRITICAL 2 Critical conditions + * ERROR 3 Error conditions + * WARNING 4 Warning conditions + * NOTICE 5 Normal but significant condition + * INFO 6 Informational + * DEBUG 7 Debug-level messages + */ +static inline void afb_daemon_verbose2_v1(struct afb_daemon daemon, int level, const char *file, int line, const char *func, const char *fmt, ...) __attribute__((format(printf, 6, 7))); +static inline void afb_daemon_verbose2_v1(struct afb_daemon daemon, int level, const char *file, int line, const char *func, const char *fmt, ...) +{ + va_list args; + va_start(args, fmt); + daemon.itf->vverbose_v2(daemon.closure, level, file, line, func, fmt, args); + va_end(args); +} + /* * Get the root directory file descriptor. This file descriptor can * be used with functions 'openat', 'fstatat', ... diff --git a/include/afb/afb-daemon-v2.h b/include/afb/afb-daemon-v2.h index 3ecd763b..6cfc60ba 100644 --- a/include/afb/afb-daemon-v2.h +++ b/include/afb/afb-daemon-v2.h @@ -69,7 +69,19 @@ static inline struct afb_event afb_daemon_make_event_v2(const char *name) /* * Send a message described by 'fmt' and following parameters * to the journal for the verbosity 'level'. - * 'file' and 'line' are indicators of position of the code in source files. + * + * 'file', 'line' and 'func' are indicators of position of the code in source files + * (see macros __FILE__, __LINE__ and __func__). + * + * 'level' is defined by syslog standard: + * EMERGENCY 0 System is unusable + * ALERT 1 Action must be taken immediately + * CRITICAL 2 Critical conditions + * ERROR 3 Error conditions + * WARNING 4 Warning conditions + * NOTICE 5 Normal but significant condition + * INFO 6 Informational + * DEBUG 7 Debug-level messages */ static inline void afb_daemon_verbose_v2(int level, const char *file, int line, const char * func, const char *fmt, ...) __attribute__((format(printf, 5, 6))); static inline void afb_daemon_verbose_v2(int level, const char *file, int line, const char * func, const char *fmt, ...) diff --git a/include/afb/afb-req-itf.h b/include/afb/afb-req-itf.h index 65f2bfe6..8c18a831 100644 --- a/include/afb/afb-req-itf.h +++ b/include/afb/afb-req-itf.h @@ -67,6 +67,8 @@ struct afb_req_itf { void (*subcall)(void *closure, const char *api, const char *verb, struct json_object *args, void (*callback)(void*, int, struct json_object*), void *cb_closure); int (*subcallsync)(void *closure, const char *api, const char *verb, struct json_object *args, struct json_object **result); + + void (*vverbose)(void*closure, int level, const char *file, int line, const char * func, const char *fmt, va_list args); }; /* @@ -390,3 +392,35 @@ static inline int afb_req_subcall_sync(struct afb_req req, const char *api, cons return req.itf->subcallsync(req.closure, api, verb, args, result); } +/* + * Send associated to 'req' a message described by 'fmt' and following parameters + * to the journal for the verbosity 'level'. + * + * 'file', 'line' and 'func' are indicators of position of the code in source files + * (see macros __FILE__, __LINE__ and __func__). + * + * 'level' is defined by syslog standard: + * EMERGENCY 0 System is unusable + * ALERT 1 Action must be taken immediately + * CRITICAL 2 Critical conditions + * ERROR 3 Error conditions + * WARNING 4 Warning conditions + * NOTICE 5 Normal but significant condition + * INFO 6 Informational + * DEBUG 7 Debug-level messages + */ +static inline void afb_req_verbose(struct afb_req req, int level, const char *file, int line, const char * func, const char *fmt, ...) __attribute__((format(printf, 6, 7))); +static inline void afb_req_verbose(struct afb_req req, int level, const char *file, int line, const char * func, const char *fmt, ...) +{ + va_list args; + va_start(args, fmt); + req.itf->vverbose(req.closure, level, file, line, func, fmt, args); + va_end(args); +} + +/* macro for setting file, line and function automatically */ +# if !defined(AFB_BINDING_PRAGMA_NO_VERBOSE_DETAILS) +#define AFB_REQ_VERBOSE(req,level,...) afb_req_verbose(req,level,__FILE__,__LINE__,__func__,__VA_ARGS__) +#else +#define AFB_REQ_VERBOSE(req,level,...) afb_req_verbose(req,level,NULL,0,NULL,__VA_ARGS__) +#endif diff --git a/src/afb-hook.c b/src/afb-hook.c index cade990c..6afcd2fb 100644 --- a/src/afb-hook.c +++ b/src/afb-hook.c @@ -210,6 +210,24 @@ static void hook_xreq_subcallsync_result_default_cb(void * closure, const struct _hook_xreq_(xreq, " ...subcallsync... -> %d: %s", status, json_object_to_json_string(result)); } +static void hook_xreq_vverbose_default_cb(void * closure, const struct afb_xreq *xreq, int level, const char *file, int line, const char *func, const char *fmt, va_list args) +{ + int len; + char *msg; + va_list ap; + + va_copy(ap, args); + len = vasprintf(&msg, fmt, ap); + va_end(ap); + + if (len < 0) + _hook_xreq_(xreq, "vverbose(%d, %s, %d, %s) -> %s ? ? ?", level, file, line, func, fmt); + else { + _hook_xreq_(xreq, "vverbose(%d, %s, %d, %s) -> %s", level, file, line, func, msg); + free(msg); + } +} + static struct afb_hook_xreq_itf hook_xreq_default_itf = { .hook_xreq_begin = hook_xreq_begin_default_cb, .hook_xreq_end = hook_xreq_end_default_cb, @@ -229,6 +247,7 @@ static struct afb_hook_xreq_itf hook_xreq_default_itf = { .hook_xreq_subcall_result = hook_xreq_subcall_result_default_cb, .hook_xreq_subcallsync = hook_xreq_subcallsync_default_cb, .hook_xreq_subcallsync_result = hook_xreq_subcallsync_result_default_cb, + .hook_xreq_vverbose = hook_xreq_vverbose_default_cb }; /****************************************************************************** @@ -349,6 +368,11 @@ int afb_hook_xreq_subcallsync_result(const struct afb_xreq *xreq, int status, st return status; } +void afb_hook_xreq_vverbose(const struct afb_xreq *xreq, int level, const char *file, int line, const char *func, const char *fmt, va_list args) +{ + _HOOK_XREQ_(vverbose, xreq, level, file ?: "?", line, func ?: "?", fmt, args); +} + /****************************************************************************** * section: hooking xreqs *****************************************************************************/ diff --git a/src/afb-hook.h b/src/afb-hook.h index 8fe30d5b..c1ff8476 100644 --- a/src/afb-hook.h +++ b/src/afb-hook.h @@ -17,6 +17,8 @@ #pragma once +#include + struct req; struct afb_context; struct json_object; @@ -53,6 +55,7 @@ struct afb_hook_xreq; #define afb_hook_flag_req_subcall_result 0x010800 #define afb_hook_flag_req_subcallsync 0x020000 #define afb_hook_flag_req_subcallsync_result 0x040000 +#define afb_hook_flag_req_vverbose 0x080000 /* common flags */ #define afb_hook_flags_req_life (afb_hook_flag_req_begin|afb_hook_flag_req_end) @@ -69,7 +72,8 @@ struct afb_hook_xreq; /* predefined groups */ #define afb_hook_flags_req_common (afb_hook_flags_req_life|afb_hook_flags_req_args|afb_hook_flags_req_result\ - |afb_hook_flags_req_session|afb_hook_flags_req_event|afb_hook_flags_req_subcall) + |afb_hook_flags_req_session|afb_hook_flags_req_event|afb_hook_flags_req_subcall\ + |afb_hook_flag_req_vverbose) #define afb_hook_flags_req_extra (afb_hook_flags_req_common|afb_hook_flags_req_ref|afb_hook_flags_req_context) #define afb_hook_flags_req_all (afb_hook_flags_req_extra) @@ -92,6 +96,7 @@ struct afb_hook_xreq_itf { void (*hook_xreq_subcall_result)(void * closure, const struct afb_xreq *xreq, int status, struct json_object *result); void (*hook_xreq_subcallsync)(void * closure, const struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args); void (*hook_xreq_subcallsync_result)(void * closure, const struct afb_xreq *xreq, int status, struct json_object *result); + void (*hook_xreq_vverbose)(void * closure, const struct afb_xreq *xreq, int level, const char *file, int line, const char *func, const char *fmt, va_list args); }; extern void afb_hook_init_xreq(struct afb_xreq *xreq); @@ -119,6 +124,7 @@ extern void afb_hook_xreq_subcall(const struct afb_xreq *xreq, const char *api, extern void afb_hook_xreq_subcall_result(const struct afb_xreq *xreq, int status, struct json_object *result); extern void afb_hook_xreq_subcallsync(const struct afb_xreq *xreq, const char *api, const char *verb, struct json_object *args); extern int afb_hook_xreq_subcallsync_result(const struct afb_xreq *xreq, int status, struct json_object *result); +extern void afb_hook_xreq_vverbose(const struct afb_xreq *xreq, int level, const char *file, int line, const char *func, const char *fmt, va_list args); /********************************************************* * section hooking ditf (daemon interface) diff --git a/src/afb-xreq.c b/src/afb-xreq.c index 0b828277..61ba4fd9 100644 --- a/src/afb-xreq.c +++ b/src/afb-xreq.c @@ -257,6 +257,12 @@ static int xreq_subcallsync_cb(void *closure, const char *api, const char *verb, return 1; } +static void xreq_vverbose_cb(void*closure, int level, const char *file, int line, const char *func, const char *fmt, va_list args) +{ + /* TODO: improves the implementation. example: on condition make a list of log messages that will be returned */ + vverbose(level, file, line, func, fmt, args); +} + /******************************************************************************/ static struct json_object *xreq_hooked_json_cb(void *closure) @@ -397,6 +403,16 @@ static int xreq_hooked_subcallsync_cb(void *closure, const char *api, const char return afb_hook_xreq_subcallsync_result(xreq, r, *result); } +static void xreq_hooked_vverbose_cb(void*closure, int level, const char *file, int line, const char *func, const char *fmt, va_list args) +{ + struct afb_xreq *xreq = closure; + va_list ap; + va_copy(ap, args); + xreq_vverbose_cb(closure, level, file, line, func, fmt, args); + afb_hook_xreq_vverbose(xreq, level, file, line, func, fmt, ap); + va_end(ap); +} + /******************************************************************************/ const struct afb_req_itf xreq_itf = { @@ -415,7 +431,8 @@ const struct afb_req_itf xreq_itf = { .subscribe = xreq_subscribe_cb, .unsubscribe = xreq_unsubscribe_cb, .subcall = xreq_subcall_cb, - .subcallsync = xreq_subcallsync_cb + .subcallsync = xreq_subcallsync_cb, + .vverbose = xreq_vverbose_cb }; const struct afb_req_itf xreq_hooked_itf = { @@ -434,7 +451,8 @@ const struct afb_req_itf xreq_hooked_itf = { .subscribe = xreq_hooked_subscribe_cb, .unsubscribe = xreq_hooked_unsubscribe_cb, .subcall = xreq_hooked_subcall_cb, - .subcallsync = xreq_hooked_subcallsync_cb + .subcallsync = xreq_hooked_subcallsync_cb, + .vverbose = xreq_hooked_vverbose_cb }; static inline struct afb_req to_req(struct afb_xreq *xreq) diff --git a/src/verbose.h b/src/verbose.h index 71d5fe1e..6bedc323 100644 --- a/src/verbose.h +++ b/src/verbose.h @@ -20,9 +20,33 @@ #include +/* + verbosity tune the count of reported messages + + verbosity value : reported messages + ----------------+------------------------ + lesser than 0 : no message at all + 0 : ERROR + 1 : ERROR, WARNING, NOTICE + 2 : ERROR, WARNING, NOTICE, INFO + greater than 2 : ERROR, WARNING, NOTICE, INFO, DEBUG + +*/ extern int verbosity; extern void verbose_set_name(const char *name, int authority); + +/* + Level is defined by syslog standard: + KERN_EMERG 0 System is unusable + KERN_ALERT 1 Action must be taken immediately + KERN_CRIT 2 Critical conditions + KERN_ERR 3 Error conditions + KERN_WARNING 4 Warning conditions + KERN_NOTICE 5 Normal but significant condition + KERN_INFO 6 Informational + KERN_DEBUG 7 Debug-level messages +*/ extern void verbose(int level, const char *file, int line, const char *function, const char *fmt, ...) __attribute__((format(printf, 5, 6))); extern void vverbose(int level, const char *file, int line, const char *function, const char *fmt, va_list args);