/*
* Copyright (c) 2020 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
* $Id: //eng/vdo-releases/aluminum/src/c++/vdo/base/vdoDebug.c#1 $
*/
#include "vdoDebug.h"
#include "logger.h"
#include "stringUtils.h"
#include "vdoInternal.h"
static const char xLogDebugMessage[] = "x-log-debug-message";
/**********************************************************************/
int initializeVDOCommandCompletion(VDOCommandCompletion *command,
VDO *vdo,
int argc,
char **argv)
{
*command = (VDOCommandCompletion) {
.vdo = vdo,
.argc = argc,
.argv = argv,
};
initializeCompletion(&command->completion, VDO_COMMAND_COMPLETION,
vdo->layer);
return initializeEnqueueableCompletion(&command->subCompletion,
VDO_COMMAND_SUB_COMPLETION,
vdo->layer);
}
/**********************************************************************/
int destroyVDOCommandCompletion(VDOCommandCompletion *command)
{
if (command == NULL) {
return VDO_SUCCESS;
}
destroyEnqueueable(&command->subCompletion);
return command->completion.result;
}
/**********************************************************************/
static inline VDOCommandCompletion *
asVDOCommandCompletion(VDOCompletion *completion)
{
if (completion->type == VDO_COMMAND_COMPLETION) {
return (VDOCommandCompletion *)
((uintptr_t) completion - offsetof(VDOCommandCompletion, completion));
} else if (completion->type == VDO_COMMAND_SUB_COMPLETION) {
return (VDOCommandCompletion *)
((uintptr_t) completion - offsetof(VDOCommandCompletion, subCompletion));
} else {
ASSERT_LOG_ONLY(((completion->type == VDO_COMMAND_COMPLETION) ||
(completion->type == VDO_COMMAND_SUB_COMPLETION)),
"completion type is %s instead of "
"VDO_COMMAND_COMPLETION or VDO_COMMAND_SUB_COMPLETION",
getCompletionTypeName(completion->type));
return NULL;
}
}
/**********************************************************************/
static void logDebugMessage(VDOCommandCompletion *cmd)
{
static char buffer[256];
char *buf = buffer;
char *end = buffer + sizeof(buffer);
for (int i = 1; i < cmd->argc; ++i) {
buf = appendToBuffer(buf, end, " %s", cmd->argv[i]);
}
if (buf == end) {
strcpy(buf - 4, "...");
}
logInfo("debug message:%s", buffer);
finishCompletion(&cmd->completion, VDO_SUCCESS);
}
/**********************************************************************/
void executeVDOExtendedCommand(VDOCompletion *completion)
{
VDOCommandCompletion *cmd = asVDOCommandCompletion(completion);
if ((cmd->vdo == NULL) || (cmd->argc == 0)) {
finishCompletion(&cmd->completion, VDO_COMMAND_ERROR);
return;
}
if (strcmp(cmd->argv[0], xLogDebugMessage) == 0) {
logDebugMessage(cmd);
} else {
finishCompletion(&cmd->completion, VDO_UNKNOWN_COMMAND);
}
}