/*****************************************************************************
* messages.c: messages interface
* This library provides an interface to the message queue to be used by other
- * modules, especially intf modules. See config.h for output configuration.
+ * modules, especially intf modules. See vlc_config.h for output configuration.
*****************************************************************************
* Copyright (C) 1998-2005 the VideoLAN team
* $Id$
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <stdio.h> /* required */
-#include <stdarg.h> /* va_list for BSD */
-#include <stdlib.h> /* malloc() */
-#include <string.h> /* strerror() */
-
-#include <vlc/vlc.h>
-#ifdef HAVE_FCNTL_H
-# include <fcntl.h> /* O_CREAT, O_TRUNC, O_WRONLY, O_SYNC */
+#ifdef HAVE_CONFIG_H
+# include "config.h"
#endif
+#include <vlc_common.h>
+
+#include <stdarg.h> /* va_list for BSD */
+#ifdef __APPLE__
+# include <xlocale.h>
+#elif defined(HAVE_LOCALE_H)
+# include <locale.h>
+#endif
#include <errno.h> /* errno */
+#ifdef WIN32
+# include <vlc_network.h> /* 'net_strerror' and 'WSAGetLastError' */
+#endif
+
#ifdef HAVE_UNISTD_H
# include <unistd.h> /* close(), write() */
#endif
-#include "vlc_interface.h"
+#include <assert.h>
+
+#include <vlc_charset.h>
+#include "../libvlc.h"
+
+typedef struct
+{
+ int i_code;
+ char * psz_message;
+} msg_context_t;
+
+static void cleanup_msg_context (void *data)
+{
+ msg_context_t *ctx = data;
+ free (ctx->psz_message);
+ free (ctx);
+}
+
+static vlc_threadvar_t msg_context;
+static uintptr_t banks = 0;
/*****************************************************************************
* Local macros
# define vlc_va_copy(dest,src) (dest)=(src)
#endif
+static inline msg_bank_t *libvlc_bank (libvlc_int_t *inst)
+{
+ return (libvlc_priv (inst))->msg_bank;
+}
+
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static void QueueMsg ( vlc_object_t *, int, int , const char *,
- const char *, va_list );
-static void FlushMsg ( msg_queue_t * );
static void PrintMsg ( vlc_object_t *, msg_item_t * );
-static void CreateMsgQueue( vlc_object_t *p_this, int i_queue );
+
+static vlc_mutex_t msg_stack_lock = VLC_STATIC_MUTEX;
/**
- * Initialize messages queues
- * This function initializes all message queues
+ * Store all data required by messages interfaces.
*/
-void __msg_Create( vlc_object_t *p_this )
+struct msg_bank_t
{
- vlc_mutex_init( p_this, &(p_this->p_libvlc->msg_bank.lock) );
-
- CreateMsgQueue( p_this, MSG_QUEUE_NORMAL );
- CreateMsgQueue( p_this, MSG_QUEUE_HTTPD_ACCESS );
-
-#ifdef UNDER_CE
- p_this->p_libvlc->msg_bank.pp_queues[MSG_QUEUE_NORMAL]->logfile =
- CreateFile( L"vlc-log.txt", GENERIC_WRITE,
- FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,
- CREATE_ALWAYS, 0, NULL );
- SetFilePointer( p_this->p_libvlc->msg_bank.pp_queues[MSG_QUEUE_NORMAL]->
- logfile, 0, NULL, FILE_END );
-#endif
+ /** Message queue lock */
+ vlc_rwlock_t lock;
-}
+ /* Subscribers */
+ int i_sub;
+ msg_subscription_t **pp_sub;
-static void CreateMsgQueue( vlc_object_t *p_this, int i_queue )
+ locale_t locale; /**< C locale for error messages */
+ vlc_dictionary_t enabled_objects; ///< Enabled objects
+ bool all_objects_enabled; ///< Should we print all objects?
+};
+
+/**
+ * Initialize messages queues
+ * This function initializes all message queues
+ */
+msg_bank_t *msg_Create (void)
{
- msg_queue_t *p_queue = (msg_queue_t *)malloc( sizeof( msg_queue_t ) );
+ msg_bank_t *bank = malloc (sizeof (*bank));
- vlc_mutex_init( p_this, &p_queue->lock );
+ vlc_rwlock_init (&bank->lock);
+ vlc_dictionary_init (&bank->enabled_objects, 0);
+ bank->all_objects_enabled = true;
- p_queue->b_overflow = VLC_FALSE;
- p_queue->i_id = i_queue;
- p_queue->i_start = 0;
- p_queue->i_stop = 0;
+ bank->i_sub = 0;
+ bank->pp_sub = NULL;
- p_queue->i_sub = 0;
- p_queue->pp_sub = NULL;
+ /* C locale to get error messages in English in the logs */
+ bank->locale = newlocale (LC_MESSAGES_MASK, "C", (locale_t)0);
- INSERT_ELEM( p_this->p_libvlc->msg_bank.pp_queues,
- p_this->p_libvlc->msg_bank.i_queues,
- i_queue,
- p_queue );
+ vlc_mutex_lock( &msg_stack_lock );
+ if( banks++ == 0 )
+ vlc_threadvar_create( &msg_context, cleanup_msg_context );
+ vlc_mutex_unlock( &msg_stack_lock );
+ return bank;
}
/**
- * Flush all message queues
+ * Object Printing selection
*/
-void __msg_Flush( vlc_object_t *p_this )
+static void const * kObjectPrintingEnabled = &kObjectPrintingEnabled;
+static void const * kObjectPrintingDisabled = &kObjectPrintingDisabled;
+
+#undef msg_EnableObjectPrinting
+void msg_EnableObjectPrinting (vlc_object_t *obj, const char * psz_object)
{
- int i;
+ msg_bank_t *bank = libvlc_bank (obj->p_libvlc);
- for( i = 0 ; i < p_this->p_libvlc->msg_bank.i_queues; i++ )
- {
- vlc_mutex_lock( &p_this->p_libvlc->msg_bank.pp_queues[i]->lock );
- FlushMsg( p_this->p_libvlc->msg_bank.pp_queues[i] );
- vlc_mutex_unlock( &p_this->p_libvlc->msg_bank.pp_queues[i]->lock );
- }
+ vlc_rwlock_wrlock (&bank->lock);
+ if( !strcmp(psz_object, "all") )
+ bank->all_objects_enabled = true;
+ else
+ vlc_dictionary_insert (&bank->enabled_objects, psz_object,
+ (void *)kObjectPrintingEnabled);
+ vlc_rwlock_unlock (&bank->lock);
}
-/**
- * Free resources allocated by msg_Create
- *
- * This functions prints all messages remaining in the normal queue,
- * then frees all the allocated ressources
- * No other messages interface functions should be called after this one.
- */
-void __msg_Destroy( vlc_object_t *p_this )
+#undef msg_DisableObjectPrinting
+void msg_DisableObjectPrinting (vlc_object_t *obj, const char * psz_object)
{
- int i;
- for( i = 0 ; i < p_this->p_libvlc->msg_bank.i_queues; i++ )
- {
- msg_queue_t *p_queue = p_this->p_libvlc->msg_bank.pp_queues[i];
- if( p_queue->i_sub )
- {
- msg_Err( p_this, "stale interface subscribers" );
- }
- FlushMsg( p_queue );
+ msg_bank_t *bank = libvlc_bank (obj->p_libvlc);
-#ifdef UNDER_CE
- if( i == MSG_QUEUE_NORMAL )
- CloseHandle( p_this->p_libvlc->msg_bank.pp_queues[MSG_QUEUE_NORMAL]->logfile );
-#endif
- /* Destroy lock */
- vlc_mutex_destroy( &p_queue->lock );
- }
- vlc_mutex_destroy( &(p_this->p_libvlc->msg_bank.lock) );
+ vlc_rwlock_wrlock (&bank->lock);
+ if( !strcmp(psz_object, "all") )
+ bank->all_objects_enabled = false;
+ else
+ vlc_dictionary_insert (&bank->enabled_objects, psz_object,
+ (void *)kObjectPrintingDisabled);
+ vlc_rwlock_unlock (&bank->lock);
}
/**
- * Subscribe to the message queue.
+ * Destroy the message queues
+ *
+ * This functions prints all messages remaining in the queues,
+ * then frees all the allocated resources
+ * No other messages interface functions should be called after this one.
*/
-msg_subscription_t *__msg_Subscribe( vlc_object_t *p_this, int i_queue )
+void msg_Destroy (msg_bank_t *bank)
{
- msg_bank_t *p_bank = &p_this->p_libvlc->msg_bank;
- msg_subscription_t *p_sub = malloc( sizeof( msg_subscription_t ) );
- msg_queue_t *p_queue = NULL;
- int i;
+ if (unlikely(bank->i_sub != 0))
+ fputs ("stale interface subscribers (LibVLC might crash)\n", stderr);
- vlc_mutex_lock( &p_bank->lock );
+ vlc_mutex_lock( &msg_stack_lock );
+ assert(banks > 0);
+ if( --banks == 0 )
+ vlc_threadvar_delete( &msg_context );
+ vlc_mutex_unlock( &msg_stack_lock );
- for( i = 0 ; i <p_bank->i_queues ;i++ )
- {
- if( p_bank->pp_queues[i]->i_id == i_queue )
- {
- p_queue = p_bank->pp_queues[i];
- }
- }
+ if (bank->locale != (locale_t)0)
+ freelocale (bank->locale);
- if( p_queue == NULL )
- {
- vlc_mutex_unlock( &p_bank->lock );
- return NULL;
- }
+ vlc_dictionary_clear (&bank->enabled_objects, NULL, NULL);
- vlc_mutex_lock( &p_queue->lock );
+ vlc_rwlock_destroy (&bank->lock);
+ free (bank);
+}
- /* Add subscription to the list */
- INSERT_ELEM( p_bank->pp_queues[i_queue]->pp_sub,
- p_bank->pp_queues[i_queue]->i_sub,
- p_bank->pp_queues[i_queue]->i_sub,
- p_sub );
+struct msg_subscription_t
+{
+ libvlc_int_t *instance;
+ msg_callback_t func;
+ msg_cb_data_t *opaque;
+};
- p_sub->i_start = p_queue->i_start;
- p_sub->pi_stop = &p_queue->i_stop;
+/**
+ * Subscribe to the message queue.
+ * Whenever a message is emitted, a callback will be called.
+ * Callback invocation are serialized within a subscription.
+ *
+ * @param instance LibVLC instance to get messages from
+ * @param cb callback function
+ * @param opaque data for the callback function
+ * @return a subscription pointer, or NULL in case of failure
+ */
+msg_subscription_t *msg_Subscribe (libvlc_int_t *instance, msg_callback_t cb,
+ msg_cb_data_t *opaque)
+{
+ msg_subscription_t *sub = malloc (sizeof (*sub));
+ if (sub == NULL)
+ return NULL;
- p_sub->p_msg = p_queue->msg;
- p_sub->p_lock = &p_queue->lock;
+ sub->instance = instance;
+ sub->func = cb;
+ sub->opaque = opaque;
- vlc_mutex_unlock( &p_queue->lock );
- vlc_mutex_unlock( &p_bank->lock );
+ msg_bank_t *bank = libvlc_bank (instance);
+ vlc_rwlock_wrlock (&bank->lock);
+ TAB_APPEND (bank->i_sub, bank->pp_sub, sub);
+ vlc_rwlock_unlock (&bank->lock);
- return p_sub;
+ return sub;
}
/**
* Unsubscribe from the message queue.
+ * This function waits for the message callback to return if needed.
*/
-void __msg_Unsubscribe( vlc_object_t *p_this, msg_subscription_t *p_sub )
+void msg_Unsubscribe (msg_subscription_t *sub)
{
- msg_bank_t *p_bank = &p_this->p_libvlc->msg_bank;
- int i,j;
-
- vlc_mutex_lock( &p_bank->lock );
+ msg_bank_t *bank = libvlc_bank (sub->instance);
- for( i = 0 ; i< p_bank->i_queues ; i++ )
- {
- vlc_mutex_lock( & p_bank->pp_queues[i]->lock );
- for( j = 0 ; j< p_bank->pp_queues[i]->i_sub ; j++ )
- {
- if( p_bank->pp_queues[i]->pp_sub[j] == p_sub )
- {
- REMOVE_ELEM( p_bank->pp_queues[i]->pp_sub,
- p_bank->pp_queues[i]->i_sub,
- j );
- if( p_sub ) free( p_sub );
- }
- }
- vlc_mutex_unlock( & p_bank->pp_queues[i]->lock );
- }
-
- vlc_mutex_unlock( &p_bank->lock );
+ vlc_rwlock_wrlock (&bank->lock);
+ TAB_REMOVE (bank->i_sub, bank->pp_sub, sub);
+ vlc_rwlock_unlock (&bank->lock);
+ free (sub);
}
/*****************************************************************************
- * __msg_*: print a message
+ * msg_*: print a message
*****************************************************************************
* These functions queue a message for later printing.
*****************************************************************************/
-void __msg_Generic( vlc_object_t *p_this, int i_queue_id, int i_type,
- const char *psz_module,
+void msg_Generic( vlc_object_t *p_this, int i_type, const char *psz_module,
const char *psz_format, ... )
{
va_list args;
va_start( args, psz_format );
- QueueMsg( p_this, i_queue_id, i_type, psz_module, psz_format, args );
+ msg_GenericVa (p_this, i_type, psz_module, psz_format, args);
va_end( args );
}
-void __msg_GenericVa( vlc_object_t *p_this, int i_queue_id,
- int i_type, const char *psz_module,
- const char *psz_format, va_list args )
-{
- QueueMsg( p_this, i_queue_id, i_type, psz_module, psz_format, args );
-}
-
-/* Generic functions used when variadic macros are not available. */
-#define DECLARE_MSG_FN( FN_NAME, FN_TYPE ) \
- void FN_NAME( vlc_object_t *p_this, const char *psz_format, ... ) \
- { \
- va_list args; \
- va_start( args, psz_format ); \
- QueueMsg( (vlc_object_t *)p_this,MSG_QUEUE_NORMAL, FN_TYPE, "unknown", \
- psz_format, args ); \
- va_end( args ); \
- } \
- struct _
-/**
- * Output an informational message.
- * \note Do not use this for debug messages
- * \see input_AddInfo
- */
-DECLARE_MSG_FN( __msg_Info, VLC_MSG_INFO );
/**
- * Output an error message.
+ * Destroys a message.
*/
-DECLARE_MSG_FN( __msg_Err, VLC_MSG_ERR );
-/**
- * Output a waring message
- */
-DECLARE_MSG_FN( __msg_Warn, VLC_MSG_WARN );
-/**
- * Output a debug message
- */
-DECLARE_MSG_FN( __msg_Dbg, VLC_MSG_DBG );
+static void msg_Free (gc_object_t *gc)
+{
+ msg_item_t *msg = vlc_priv (gc, msg_item_t);
+
+ free (msg->psz_module);
+ free (msg->psz_msg);
+ free (msg->psz_header);
+ free (msg);
+}
+#undef msg_GenericVa
/**
* Add a message to a queue
*
* is full). If the message can't be converted to string in memory, it issues
* a warning.
*/
-static void QueueMsg( vlc_object_t *p_this, int i_queue_id, int i_type,
- const char *psz_module,
- const char *psz_format, va_list _args )
+void msg_GenericVa (vlc_object_t *p_this, int i_type,
+ const char *psz_module,
+ const char *psz_format, va_list _args)
{
- int i_header_size; /* Size of the additionnal header */
+ size_t i_header_size; /* Size of the additionnal header */
vlc_object_t *p_obj;
- msg_bank_t * p_bank = &p_this->p_libvlc->msg_bank; /* message bank */
- msg_queue_t *p_queue = NULL;
char * psz_str = NULL; /* formatted message string */
char * psz_header = NULL;
va_list args;
- msg_item_t * p_item = NULL; /* pointer to message */
- msg_item_t item; /* message in case of a full queue */
-#if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
- int i_size = strlen(psz_format) + INTF_MAX_MSG_SIZE;
+ assert (p_this);
+
+ if( p_this->i_flags & OBJECT_FLAGS_QUIET ||
+ (p_this->i_flags & OBJECT_FLAGS_NODBG && i_type == VLC_MSG_DBG) )
+ return;
+
+ msg_bank_t *bank = libvlc_bank (p_this->p_libvlc);
+ locale_t locale = uselocale (bank->locale);
+
+#ifndef __GLIBC__
+ /* Expand %m to strerror(errno) - only once */
+ char buf[strlen( psz_format ) + 2001], *ptr;
+ strcpy( buf, psz_format );
+ ptr = (char*)buf;
+ psz_format = (const char*) buf;
+
+ for( ;; )
+ {
+ ptr = strchr( ptr, '%' );
+ if( ptr == NULL )
+ break;
+
+ if( ptr[1] == 'm' )
+ {
+ char errbuf[2001];
+ size_t errlen;
+
+#ifndef WIN32
+ strerror_r( errno, errbuf, 1001 );
+#else
+ int sockerr = WSAGetLastError( );
+ if( sockerr )
+ {
+ strncpy( errbuf, net_strerror( sockerr ), 1001 );
+ WSASetLastError( sockerr );
+ }
+ if ((sockerr == 0)
+ || (strcmp ("Unknown network stack error", errbuf) == 0))
+ strncpy( errbuf, strerror( errno ), 1001 );
+#endif
+ errbuf[1000] = 0;
+
+ /* Escape '%' from the error string */
+ for( char *percent = strchr( errbuf, '%' );
+ percent != NULL;
+ percent = strchr( percent + 2, '%' ) )
+ {
+ memmove( percent + 1, percent, strlen( percent ) + 1 );
+ }
+
+ errlen = strlen( errbuf );
+ memmove( ptr + errlen, ptr + 2, strlen( ptr + 2 ) + 1 );
+ memcpy( ptr, errbuf, errlen );
+ break; /* Only once, so we don't overflow */
+ }
+
+ /* Looks for conversion specifier... */
+ do
+ ptr++;
+ while( *ptr && ( strchr( "diouxXeEfFgGaAcspn%", *ptr ) == NULL ) );
+ if( *ptr )
+ ptr++; /* ...and skip it */
+ }
#endif
- int i;
- /*
- * Convert message to string
- */
-#if defined(HAVE_VASPRINTF) && !defined(SYS_DARWIN) && !defined( SYS_BEOS )
+ /* Convert message to string */
vlc_va_copy( args, _args );
- vasprintf( &psz_str, psz_format, args );
+ if( vasprintf( &psz_str, psz_format, args ) == -1 )
+ psz_str = NULL;
va_end( args );
-#else
- psz_str = (char*) malloc( i_size * sizeof(char) );
-#endif
if( psz_str == NULL )
{
- fprintf( stderr, "main warning: can't store message (%s): ",
- strerror(errno) );
+ int canc = vlc_savecancel (); /* Do not print half of a message... */
+#ifdef __GLIBC__
+ fprintf( stderr, "main warning: can't store message (%m): " );
+#else
+ char psz_err[1001];
+#ifndef WIN32
+ /* we're not using GLIBC, so we are sure that the error description
+ * will be stored in the buffer we provide to strerror_r() */
+ strerror_r( errno, psz_err, 1001 );
+#else
+ strncpy( psz_err, strerror( errno ), 1001 );
+#endif
+ psz_err[1000] = '\0';
+ fprintf( stderr, "main warning: can't store message (%s): ", psz_err );
+#endif
vlc_va_copy( args, _args );
+ /* We should use utf8_vfprintf - but it calls malloc()... */
vfprintf( stderr, psz_format, args );
va_end( args );
- fprintf( stderr, "\n" );
+ fputs( "\n", stderr );
+ vlc_restorecancel (canc);
+ uselocale (locale);
return;
}
+ uselocale (locale);
+
+ msg_item_t * p_item = malloc (sizeof (*p_item));
+ if (p_item == NULL)
+ return; /* Uho! */
+
+ vlc_gc_init (p_item, msg_Free);
+ p_item->psz_module = p_item->psz_msg = p_item->psz_header = NULL;
+
+
i_header_size = 0;
p_obj = p_this;
while( p_obj != NULL )
{
char *psz_old = NULL;
- if( p_obj == NULL ) break;
if( p_obj->psz_header )
{
i_header_size += strlen( p_obj->psz_header ) + 4;
if( psz_header )
{
psz_old = strdup( psz_header );
- psz_header = (char*)realloc( psz_header, i_header_size );
+ psz_header = xrealloc( psz_header, i_header_size );
snprintf( psz_header, i_header_size , "[%s] %s",
p_obj->psz_header, psz_old );
}
else
{
- psz_header = (char *)malloc( i_header_size );
+ psz_header = xmalloc( i_header_size );
snprintf( psz_header, i_header_size, "[%s]",
p_obj->psz_header );
}
}
- if( psz_old ) free( psz_old );
+ free( psz_old );
p_obj = p_obj->p_parent;
}
-#if !defined(HAVE_VASPRINTF) || defined(SYS_DARWIN) || defined(SYS_BEOS)
- vlc_va_copy( args, _args );
- vsnprintf( psz_str, i_size, psz_format, args );
- va_end( args );
- psz_str[ i_size - 1 ] = 0; /* Just in case */
-#endif
-
- /* Put message in queue */
- vlc_mutex_lock( &p_bank->lock );
- for( i = 0 ; i <p_bank->i_queues ;i++ )
- {
- if( p_bank->pp_queues[i]->i_id == i_queue_id )
- {
- p_queue = p_bank->pp_queues[i];
- }
- }
-
- if( p_queue == NULL )
- {
- vlc_mutex_unlock( &p_bank->lock );
- return;
- }
-
- vlc_mutex_lock( &p_queue->lock );
-
- /* Check there is room in the queue for our message */
- if( p_queue->b_overflow )
- {
- FlushMsg( p_queue );
-
- if( ((p_queue->i_stop - p_queue->i_start + 1) % VLC_MSG_QSIZE) == 0 )
- {
- /* Still in overflow mode, print from a dummy item */
- p_item = &item;
- }
- else
- {
- /* Pheeew, at last, there is room in the queue! */
- p_queue->b_overflow = VLC_FALSE;
- }
- }
- else if( ((p_queue->i_stop - p_queue->i_start + 2) % VLC_MSG_QSIZE) == 0 )
- {
- FlushMsg( p_queue );
-
- if( ((p_queue->i_stop - p_queue->i_start + 2) % VLC_MSG_QSIZE) == 0 )
- {
- p_queue->b_overflow = VLC_TRUE;
-
- if( p_queue->i_id == MSG_QUEUE_NORMAL )
- {
- /* Put the overflow message in the queue */
- p_item = p_queue->msg + p_queue->i_stop;
- p_queue->i_stop = (p_queue->i_stop + 1) % VLC_MSG_QSIZE;
-
- p_item->i_type = VLC_MSG_WARN;
- p_item->i_object_id = p_this->i_object_id;
- p_item->i_object_type = p_this->i_object_type;
- p_item->psz_module = strdup( "message" );
- p_item->psz_msg = strdup( "message queue overflowed" );
- p_item->psz_header = NULL;
-
- PrintMsg( p_this, p_item );
- /* We print from a dummy item */
- p_item = &item;
- }
- }
- }
-
- if( !p_queue->b_overflow )
- {
- /* Put the message in the queue */
- p_item = p_queue->msg + p_queue->i_stop;
- p_queue->i_stop = (p_queue->i_stop + 1) % VLC_MSG_QSIZE;
- }
-
/* Fill message information fields */
p_item->i_type = i_type;
- p_item->i_object_id = p_this->i_object_id;
- p_item->i_object_type = p_this->i_object_type;
+ p_item->i_object_id = (uintptr_t)p_this;
+ p_item->psz_object_type = p_this->psz_object_type;
p_item->psz_module = strdup( psz_module );
p_item->psz_msg = psz_str;
p_item->psz_header = psz_header;
- if( p_queue->i_id == MSG_QUEUE_NORMAL )
- PrintMsg( p_this, p_item );
+ PrintMsg( p_this, p_item );
- if( p_queue->b_overflow )
+ vlc_rwlock_rdlock (&bank->lock);
+ for (int i = 0; i < bank->i_sub; i++)
{
- if( p_item->psz_module )
- free( p_item->psz_module );
- if( p_item->psz_msg )
- free( p_item->psz_msg );
+ msg_subscription_t *sub = bank->pp_sub[i];
+ sub->func (sub->opaque, p_item, 0);
}
-
- vlc_mutex_unlock ( &p_queue->lock );
- vlc_mutex_unlock( &p_bank->lock );
-}
-
-/* following functions are local */
-
-/*****************************************************************************
- * FlushMsg
- *****************************************************************************
- * Print all messages remaining in queue. MESSAGE QUEUE MUST BE LOCKED, since
- * this function does not check the lock.
- *****************************************************************************/
-static void FlushMsg ( msg_queue_t *p_queue )
-{
- int i_index, i_start, i_stop;
-
- /* Get the maximum message index that can be freed */
- i_stop = p_queue->i_stop;
-
- /* Check until which value we can free messages */
- for( i_index = 0; i_index < p_queue->i_sub; i_index++ )
- {
- i_start = p_queue->pp_sub[ i_index ]->i_start;
-
- /* If this subscriber is late, we don't free messages before
- * his i_start value, otherwise he'll miss messages */
- if( ( i_start < i_stop
- && (p_queue->i_stop <= i_start || i_stop <= p_queue->i_stop) )
- || ( i_stop < i_start
- && (i_stop <= p_queue->i_stop && p_queue->i_stop <= i_start) ) )
- {
- i_stop = i_start;
- }
- }
-
- /* Free message data */
- for( i_index = p_queue->i_start;
- i_index != i_stop;
- i_index = (i_index+1) % VLC_MSG_QSIZE )
- {
- if( p_queue->msg[i_index].psz_msg )
- free( p_queue->msg[i_index].psz_msg );
- if( p_queue->msg[i_index].psz_module )
- free( p_queue->msg[i_index].psz_module );
- }
-
- /* Update the new start value */
- p_queue->i_start = i_index;
+ vlc_rwlock_unlock (&bank->lock);
+ msg_Release (p_item);
}
/*****************************************************************************
# define RED COL(31)
# define GREEN COL(32)
# define YELLOW COL(33)
-# define WHITE COL(37)
+# define WHITE COL(0)
# define GRAY "\033[0m"
-#ifdef UNDER_CE
- int i_dummy;
-#endif
- static const char * ppsz_type[4] = { "", " error", " warning", " debug" };
- static const char *ppsz_color[4] = { WHITE, RED, YELLOW, GRAY };
- char *psz_object = "private";
+ static const char ppsz_type[4][9] = { "", " error", " warning", " debug" };
+ static const char ppsz_color[4][8] = { WHITE, RED, YELLOW, GRAY };
+ const char *psz_object;
+ libvlc_priv_t *priv = libvlc_priv (p_this->p_libvlc);
+ msg_bank_t *bank = priv->msg_bank;
int i_type = p_item->i_type;
switch( i_type )
{
case VLC_MSG_ERR:
- if( p_this->p_libvlc->i_verbose < 0 ) return;
+ if( priv->i_verbose < 0 ) return;
break;
case VLC_MSG_INFO:
- if( p_this->p_libvlc->i_verbose < 0 ) return;
+ if( priv->i_verbose < 0 ) return;
break;
case VLC_MSG_WARN:
- if( p_this->p_libvlc->i_verbose < 1 ) return;
+ if( priv->i_verbose < 1 ) return;
break;
case VLC_MSG_DBG:
- if( p_this->p_libvlc->i_verbose < 2 ) return;
+ if( priv->i_verbose < 2 ) return;
break;
}
- switch( p_item->i_object_type )
+ psz_object = p_item->psz_object_type;
+ void * val = vlc_dictionary_value_for_key (&bank->enabled_objects,
+ p_item->psz_module);
+ if( val == kObjectPrintingDisabled )
+ return;
+ if( val == kObjectPrintingEnabled )
+ /* Allowed */;
+ else
{
- case VLC_OBJECT_ROOT: psz_object = "root"; break;
- case VLC_OBJECT_VLC: psz_object = "vlc"; break;
- case VLC_OBJECT_MODULE: psz_object = "module"; break;
- case VLC_OBJECT_INTF: psz_object = "interface"; break;
- case VLC_OBJECT_PLAYLIST: psz_object = "playlist"; break;
- case VLC_OBJECT_ITEM: psz_object = "item"; break;
- case VLC_OBJECT_INPUT: psz_object = "input"; break;
- case VLC_OBJECT_DECODER: psz_object = "decoder"; break;
- case VLC_OBJECT_PACKETIZER: psz_object = "packetizer"; break;
- case VLC_OBJECT_ENCODER: psz_object = "encoder"; break;
- case VLC_OBJECT_VOUT: psz_object = "video output"; break;
- case VLC_OBJECT_AOUT: psz_object = "audio output"; break;
- case VLC_OBJECT_SOUT: psz_object = "stream output"; break;
- case VLC_OBJECT_HTTPD: psz_object = "http daemon"; break;
- case VLC_OBJECT_DIALOGS: psz_object = "dialogs provider"; break;
- case VLC_OBJECT_VLM: psz_object = "vlm"; break;
- case VLC_OBJECT_ANNOUNCE: psz_object = "announce handler"; break;
- case VLC_OBJECT_DEMUX: psz_object = "demuxer"; break;
- case VLC_OBJECT_ACCESS: psz_object = "access"; break;
+ val = vlc_dictionary_value_for_key (&bank->enabled_objects,
+ psz_object);
+ if( val == kObjectPrintingDisabled )
+ return;
+ if( val == kObjectPrintingEnabled )
+ /* Allowed */;
+ else if( !bank->all_objects_enabled )
+ return;
}
-#ifdef UNDER_CE
-# define CE_WRITE(str) WriteFile( p_this->p_libvlc->msg_bank.pp_queues[MSG_QUEUE_NORMAL]->logfile, \
- str, strlen(str), &i_dummy, NULL );
- CE_WRITE( p_item->psz_module );
- CE_WRITE( " " );
- CE_WRITE( psz_object );
- CE_WRITE( ppsz_type[i_type] );
- CE_WRITE( ": " );
- CE_WRITE( p_item->psz_msg );
- CE_WRITE( "\r\n" );
- FlushFileBuffers( p_this->p_libvlc->msg_bank.pp_queues[MSG_QUEUE_NORMAL]->logfile );
-
-#else
+ int canc = vlc_savecancel ();
/* Send the message to stderr */
- if( p_this->p_libvlc->b_color )
+ utf8_fprintf( stderr, "[%s%p%s] %s%s%s %s%s: %s%s%s\n",
+ priv->b_color ? GREEN : "",
+ (void *)p_item->i_object_id,
+ priv->b_color ? GRAY : "",
+ p_item->psz_header ? p_item->psz_header : "",
+ p_item->psz_header ? " " : "",
+ p_item->psz_module, psz_object,
+ ppsz_type[i_type],
+ priv->b_color ? ppsz_color[i_type] : "",
+ p_item->psz_msg,
+ priv->b_color ? GRAY : "" );
+
+#ifdef WIN32
+ fflush( stderr );
+#endif
+ vlc_restorecancel (canc);
+}
+
+static msg_context_t* GetContext(void)
+{
+ msg_context_t *p_ctx = vlc_threadvar_get( msg_context );
+ if( p_ctx == NULL )
{
- if( p_item->psz_header )
- {
- fprintf( stderr, "[" GREEN "%.8i" GRAY "] %s %s %s%s: %s%s" GRAY
- "\n",
- p_item->i_object_id, p_item->psz_header,
- p_item->psz_module, psz_object,
- ppsz_type[i_type], ppsz_color[i_type],
- p_item->psz_msg );
- }
- else
- {
- fprintf( stderr, "[" GREEN "%.8i" GRAY "] %s %s%s: %s%s" GRAY "\n",
- p_item->i_object_id, p_item->psz_module, psz_object,
- ppsz_type[i_type], ppsz_color[i_type],
- p_item->psz_msg );
- }
+ p_ctx = malloc( sizeof( msg_context_t ) );
+ if( !p_ctx )
+ return NULL;
+ p_ctx->psz_message = NULL;
+ vlc_threadvar_set( msg_context, p_ctx );
}
+ return p_ctx;
+}
+
+void msg_StackSet( int i_code, const char *psz_message, ... )
+{
+ va_list ap;
+ msg_context_t *p_ctx = GetContext();
+
+ if( p_ctx == NULL )
+ return;
+ free( p_ctx->psz_message );
+
+ va_start( ap, psz_message );
+ if( vasprintf( &p_ctx->psz_message, psz_message, ap ) == -1 )
+ p_ctx->psz_message = NULL;
+ va_end( ap );
+
+ p_ctx->i_code = i_code;
+}
+
+void msg_StackAdd( const char *psz_message, ... )
+{
+ char *psz_tmp;
+ va_list ap;
+ msg_context_t *p_ctx = GetContext();
+
+ if( p_ctx == NULL )
+ return;
+
+ va_start( ap, psz_message );
+ if( vasprintf( &psz_tmp, psz_message, ap ) == -1 )
+ psz_tmp = NULL;
+ va_end( ap );
+
+ if( !p_ctx->psz_message )
+ p_ctx->psz_message = psz_tmp;
else
{
- if( p_item->psz_header )
- {
- fprintf( stderr, "[%.8i] %s %s %s%s: %s\n", p_item->i_object_id,
- p_item->psz_header, p_item->psz_module,
- psz_object, ppsz_type[i_type], p_item->psz_msg );
- }
- else
- {
- fprintf( stderr, "[%.8i] %s %s%s: %s\n", p_item->i_object_id,
- p_item->psz_module, psz_object, ppsz_type[i_type],
- p_item->psz_msg );
- }
+ char *psz_new;
+ if( asprintf( &psz_new, "%s: %s", psz_tmp, p_ctx->psz_message ) == -1 )
+ psz_new = NULL;
+
+ free( p_ctx->psz_message );
+ p_ctx->psz_message = psz_new;
+ free( psz_tmp );
}
+}
-# if defined(WIN32)
- fflush( stderr );
-# endif
-#endif
+const char* msg_StackMsg( void )
+{
+ msg_context_t *p_ctx = GetContext();
+ assert( p_ctx );
+ return p_ctx->psz_message;
}
projects / vlc / blobdiff