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* Moved KMessage field printing from vfs_boot.cpp::get_boot_partitions() into

Browse Source 
KMessage::Dump().
* Improved message dump output a bit (more concise).
* get_boot_partitions() now simply calls KMessage::Dump() instead.
* Added a KMessage::IsEmpty() method.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26365 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2008-07-10 10:06:17 +00:00
parent 66058774c8
commit a120934388
3 changed files with 63 additions and 55 deletions
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3
headers/private/kernel/util/KMessage.h
View File

@ -55,6 +55,7 @@ public:
status_t FindField(const char *name, type_code type,
KMessageField *field) const;
status_t GetNextField(KMessageField *field) const;
bool IsEmpty() const;
status_t AddData(const char *name, type_code type, const void *data,
int32 numBytes, bool isFixedSize = true);
@ -135,7 +136,7 @@ public:
status_t ReceiveFrom(port_id fromPort, bigtime_t timeout = -1,
port_message_info* messageInfo = NULL);
void Dump(void (*printFunc)(const char*,...)) const;
void Dump(void (*printFunc)(const char*, ...)) const;
private:
friend class KMessageField;

48
src/system/kernel/fs/vfs_boot.cpp
View File

@ -290,53 +290,7 @@ get_boot_partitions(kernel_args *args, PartitionStack &partitions)
const KMessage& bootVolume = args->boot_volume;
dprintf("get_boot_partitions(): boot volume message:\n");
KMessageField field;
while (bootVolume.GetNextField(&field) == B_OK) {
type_code type = field.TypeCode();
uint32 bigEndianType = B_HOST_TO_BENDIAN_INT32(type);
dprintf("field: \"%s\", type: %.4s (0x%lx):\n", field.Name(),
(char*)&bigEndianType, type);
if (field.CountElements() == 0)
dprintf("\n");
int32 size;
for (int i = 0; const void* data = field.ElementAt(i, &size); i++) {
dprintf(" [%2d] ", i);
bool isIntType = false;
int64 intData = 0;
switch (type) {
case B_BOOL_TYPE:
dprintf("%s\n", (*(bool*)data ? "true" : "false"));
break;
case B_INT8_TYPE:
isIntType = true;
intData = *(int8*)data;
break;
case B_INT16_TYPE:
isIntType = true;
intData = *(int16*)data;
break;
case B_INT32_TYPE:
isIntType = true;
intData = *(int32*)data;
break;
case B_INT64_TYPE:
isIntType = true;
intData = *(int64*)data;
break;
case B_STRING_TYPE:
dprintf("\"%s\"\n", (char*)data);
break;
default:
dprintf("data: \"%p\", %ld bytes\n", (char*)data, size);
break;
}
if (isIntType)
dprintf("%lld (0x%llx)\n", intData, intData);
}
}
bootVolume.Dump(&dprintf);
// create boot method
int32 bootMethodType = bootVolume.GetInt32(BOOT_METHOD,

63
src/system/kernel/messaging/KMessage.cpp
View File

@ -8,6 +8,7 @@
#include <stdlib.h>
#include <string.h>
#include <ByteOrder.h>
#include <Debug.h>
#include <KernelExport.h>
#include <TypeConstants.h>
@ -300,6 +301,14 @@ KMessage::GetNextField(KMessageField *field) const
return B_OK;
}
bool
KMessage::IsEmpty() const
{
return _LastFieldHeader() == NULL;
}
// AddData
status_t
KMessage::AddData(const char *name, type_code type, const void *data,
@ -601,7 +610,7 @@ KMessage::ReceiveFrom(port_id fromPort, bigtime_t timeout,
void
KMessage::Dump(void (*printFunc)(const char*,...)) const
KMessage::Dump(void (*printFunc)(const char*, ...)) const
{
Header* header = _Header();
printFunc("KMessage: buffer: %p (size/capacity: %ld/%ld), flags: 0x0lx\n",
@ -610,10 +619,54 @@ KMessage::Dump(void (*printFunc)(const char*,...)) const
KMessageField field;
while (GetNextField(&field) == B_OK) {
type_code type = field.TypeCode();
int32 count = field.CountElements();
printFunc(" field: %-20s: type: 0x%lx ('%c%c%c%c'), %ld element%s\n",
field.Name(), type, (char)(type >> 24), (char)(type >> 16),
(char)(type >> 8), (char)type, count, count == 1 ? "" : "s");
uint32 bigEndianType = B_HOST_TO_BENDIAN_INT32(type);
int nameSpacing = 17 - strlen(field.Name());
if (nameSpacing < 0)
nameSpacing = 0;
printFunc(" field: \"%s\"%*s (%.4s): ", field.Name(), nameSpacing, "",
(char*)&bigEndianType);
if (field.CountElements() != 1)
printFunc("\n");
int32 size;
for (int i = 0; const void* data = field.ElementAt(i, &size); i++) {
if (field.CountElements() != 1)
printFunc(" [%2d] ", i);
bool isIntType = false;
int64 intData = 0;
switch (type) {
case B_BOOL_TYPE:
printFunc("%s\n", (*(bool*)data ? "true" : "false"));
break;
case B_INT8_TYPE:
isIntType = true;
intData = *(int8*)data;
break;
case B_INT16_TYPE:
isIntType = true;
intData = *(int16*)data;
break;
case B_INT32_TYPE:
isIntType = true;
intData = *(int32*)data;
break;
case B_INT64_TYPE:
isIntType = true;
intData = *(int64*)data;
break;
case B_STRING_TYPE:
printFunc("\"%s\"\n", (char*)data);
break;
default:
printFunc("data at %p, %ld bytes\n", (char*)data, size);
break;
}
if (isIntType)
printFunc("%lld (0x%llx)\n", intData, intData);
}
}
}