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/**
*
* VOPKG.C -- Task and package management.
*
* This file provides the introspection methods for a callable package.
* These routines are used to call a package binary to get the metadata
* for packages, tasks and parameters.
*
*
* Package/Task Management:
* ------------------------
*
* vo_setPkgDir (path) # set package dir
* path = vo_getPkgDir () # get package dir
*
* pkg = vo_pkgList (pattern) # Get available packages
* len = vo_pkgLen (pkg)
* pkg = vo_pkgNext (pkg)
* str = vo_pkgAttr (pkg, attr)
*
* pp = vo_pkgParams (pkg)
* pp = vo_taskParams (pkgName, taskName) # Input param defs
* ( see parameter handling below )
*
* task = vo_taskList (taskName) # Get tasks in package
* len = vo_taskLen (task)
* str = vo_taskNext (task)
* task = vo_taskAttr (task, attr)
*
*
* xml = vo_pkgListXML (pattern) # XML serializations (opt)
* xml = vo_taskListXML (pkgName)
* xml = vo_paramListXML (pkgName, taskName)
*
*
* @file voPkg.c
* @author Mike Fitzpatrick
* @date 9/24/12
*
* @brief Package and task management methods
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdarg.h>
#include <setjmp.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/select.h>
#include <sys/time.h>
#include <sys/types.h>
#include "voTask.h"
/**************************************************************************/
/*** Package Introspection Methods ***/
/**************************************************************************/
/**
* VO_SETPKGDIR -- Set the working package directory.
*
* @brief Set the working package directory.
* @fn vo_setPkgDir (char *path)
*
* @param path Path to current working package directory
* @returns nothing
*/
void
vo_setPkgDir (char *path)
{
}
/**
* VO_GETPKGDIR -- Get the working package directory.
*
* @brief Get the working package directory.
* @fn path = vo_getPkgDir (void)
*
* @returns path to current working package directory
*/
char *
vo_getPkgDir (void)
{
}
/**************************************************************************/
/*** Package Management ***/
/**************************************************************************/
/**
* VO_PKGLIST -- List packages available in the working directory..
*
* @brief List packages available in the working directory.
* @fn xml = vo_pkgList (char *pattern)
*
* @param pattern Package executable filename pattern (or NULL for all)
* @returns XML description of the package list.
*/
handle_t
vo_pkgList (char *pattern)
{
return (NULL);
}
/**
* VO_PKGLIST -- List packages available in the working directory..
*
* @brief List packages available in the working directory.
* @fn xml = vo_pkgList (char *pattern)
*
* @param pattern Package executable filename pattern (or NULL for all)
* @returns XML description of the package list.
*/
int
vo_pkgLen (handle_t pkg)
{
Package *pkgP = (Package *) task_H2P (pkg);
return ( (pkgP ? pkgP->npkgs : 0) );
}
/**
* VO_PKGNEXT -- Get the next package in the list.
*
* @brief Get the next package in the list.
* @fn pkg = vo_pkgNext (handle_t pkg)
*
* @param pkg Handle to package
* @returns Handle to next package in the list (0 at end of list)
*/
handle_t
vo_pkgNext (handle_t pkg)
{
Package *pkgP = (Package *) task_H2P (pkg);
return ( (pkgP ? task_P2H (pkgP->next) : 0) );
}
/**
* VO_PKGATTR -- Get a package metadata by attribute name.
*
* @brief Get a package metadata by attribute name.
* @fn pkg = vo_pkgAttr (handle_t pkg, char *attr)
*
* @param pattern Package executable filename pattern (or NULL for all)
* @returns Requested attribute string (or NULL if not found)
*/
char *
vo_pkgAttr (handle_t pkg, char *attr)
{
Package *pkgP = (Package *) task_H2P (pkg);
return (NULL);
}
/**************************************************************************/
/*** Task Management ***/
/**************************************************************************/
/**
* VO_TASKLIST -- List tasks in package.
*
* @brief List tasks in package.
* @fn handle = vo_taskList (char *pkgName)
*
* @param pkgName Package name
* @returns XML description of the task list
*/
char *
vo_taskList (char *pkgName)
{
return (NULL);
}
/**
* VO_TASKLEN -- Get length of task list.
*
* @brief Get length of task list.
* @fn len = vo_taskLen (handle_t task)
*
* @param task Handle to task descriptor
* @returns Number of tasks in the list.
*/
int
vo_taskLen (handle_t task)
{
Package *taskP = (Package *) task_H2P (task);
return ( (taskP ? taskP->ntasks : 0) );
}
/**
* VO_TASKNEXT -- Get the next task in the list.
*
* @brief Get the next task in the list.
* @fn task = vo_taskNext (handle_t task)
*
* @param task Handle to task
* @returns Handle to next task in the list (0 at end of list)
*/
handle_t
vo_taskNext (handle_t task)
{
Package *taskP = (Package *) task_H2P (task);
return ( (taskP ? task_P2H (taskP->next) : 0) );
}
/**
* VO_TASKATTR -- Get a task metadata by attribute name.
*
* @brief Get a task metadata by attribute name.
* @fn task = vo_taskAttr (handle_t task, char *attr)
*
* @param task Handle to task
* @param attr Attribute to retrieve
* @returns Requested attribute string (or NULL if not found)
*/
char *
vo_taskAttr (handle_t task, char *attr)
{
Package *taskP = (Package *) task_H2P (task);
return (NULL);
}
/**************************************************************************/
/*** Task and Package Parameters ***/
/**************************************************************************/
/**
* VO_PKGPARAMS -- List parameters for a package.
*
* @brief List parameters for a package.
* @fn xml = vo_pkgParams (handle_t pkg)
*
* @param pkg Package handle
* @returns XML description of the parameter list
*/
handle_t
vo_pkgParams (handle_t pkg)
{
return (0);
}
/**
* VO_TASKPARAMS -- List parameters for a task.
*
* @brief List parameters for a task.
* @fn xml = vo_taskParams (char *pkgName, char *taskName)
*
* @param pkgName Package name
* @param taskName Task name
* @returns XML description of the parameter list
*/
handle_t
vo_taskParams (char *pkgName, char *taskName)
{
return (0);
}
/**************************************************************************/
/*** XML Serializations ***/
/**************************************************************************/
/**
* VO_PKGLISTXML -- Get the package list as an XML document.
*
* @brief Get the package list as an XML document.
* @fn xml = vo_pkgListXML (char *pattern)
*
* @param pattern Package executable pattern
* @returns XML description of the available packages.
*/
char *
vo_pkgListXML (char *pattern)
{
}
/**
* VO_TASKLISTXML -- Get the task list as an XML document.
*
* @brief Get the task list as an XML document.
* @fn xml = vo_taskListXML (char *pkgName)
*
* @param pkgName Package name
* @returns XML description of the tasks in a package.
*/
char *
vo_taskListXML (char *pkgName)
{
}
/**
* VO_PARAMLISTXML -- Get the task parameter list as an XML document.
*
* @brief Get the task parameter list as an XML document.
* @fn xml = vo_paramListXML (char *pkgName, char *taskName)
*
* @param pkgName Package name
* @param taskName Task name
* @returns XML description of the task parameters.
*/
char *
vo_paramListXML (char *pkgName, char *taskName)
{
}
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