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212eaea323
src/internal.h src/libvirt_sym.version src/xen_internal.c src/xs_internal.c: added a new entry point to get node hardware informations virGetNodeInfo, and associated driver hook. * src/xend_internal.c: implemented the node and version information hooks for the Xen Daemon * python/libvir.c python/libvirt-python-api.xml python/generator.py: also added Python bindings for the new call Daniel
143 lines
4.5 KiB
C
143 lines
4.5 KiB
C
/*
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* virterror.h:
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* Summary: error handling interfaces for the libvirt library
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* Description: Provides the interfaces of the libvirt library to handle
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* errors raised while using the library.
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*
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* Copy: Copyright (C) 2006 Red Hat, Inc.
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*
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* See COPYING.LIB for the License of this software
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*
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* Author: Daniel Veillard <veillard@redhat.com>
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*/
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#ifndef __VIR_VIRERR_H__
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#define __VIR_VIRERR_H__
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#include "libvirt.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* virErrorLevel:
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*
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* Indicates the level of an error
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*/
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typedef enum {
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VIR_ERR_NONE = 0,
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VIR_ERR_WARNING = 1, /* A simple warning */
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VIR_ERR_ERROR = 2 /* An error */
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} virErrorLevel;
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/**
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* virErrorDomain:
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*
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* Indicates where an error may have come from
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*/
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typedef enum {
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VIR_FROM_NONE = 0,
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VIR_FROM_XEN, /* Error at Xen hypervisor layer */
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VIR_FROM_XEND, /* Error at connection with xend daemon */
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VIR_FROM_XENSTORE, /* Error at connection with xen store */
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VIR_FROM_SEXPR, /* Error in the S-Epression code */
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VIR_FROM_XML, /* Error in the XML code */
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VIR_FROM_DOM, /* Error when operating on a domain */
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} virErrorDomain;
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/**
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* virError:
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*
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* A libvirt Error instance.
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*/
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typedef struct _virError virError;
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typedef virError *virErrorPtr;
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struct _virError {
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int code; /* The error code, a virErrorNumber */
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int domain; /* What part of the library raised this error */
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char *message;/* human-readable informative error message */
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virErrorLevel level;/* how consequent is the error */
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virConnectPtr conn; /* the connection if available */
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virDomainPtr dom; /* the domain if available */
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char *str1; /* extra string information */
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char *str2; /* extra string information */
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char *str3; /* extra string information */
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int int1; /* extra number information */
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int int2; /* extra number information */
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};
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/**
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* virErrorNumber:
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*
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* The full list of errors the library can generate
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*/
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typedef enum {
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VIR_ERR_OK = 0,
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VIR_ERR_INTERNAL_ERROR, /* internal error */
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VIR_ERR_NO_MEMORY, /* memory allocation failure */
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VIR_ERR_NO_SUPPORT, /* no support for this connection */
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VIR_ERR_UNKNOWN_HOST,/* could not resolve hostname */
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VIR_ERR_NO_CONNECT, /* can't connect to hypervisor */
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VIR_ERR_INVALID_CONN,/* invalid connection object */
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VIR_ERR_INVALID_DOMAIN,/* invalid domain object */
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VIR_ERR_INVALID_ARG,/* invalid function argument */
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VIR_ERR_OPERATION_FAILED,/* a command to hypervisor failed */
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VIR_ERR_GET_FAILED,/* a HTTP GET command to failed */
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VIR_ERR_POST_FAILED,/* a HTTP POST command to failed */
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VIR_ERR_HTTP_ERROR,/* unexpected HTTP error code */
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VIR_ERR_SEXPR_SERIAL,/* failure to serialize an S-Expr */
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VIR_ERR_NO_XEN,/* could not open Xen hypervisor control */
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VIR_ERR_XEN_CALL,/* failure doing an hypervisor call */
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VIR_ERR_OS_TYPE, /* unknown OS type */
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VIR_ERR_NO_KERNEL, /* missing kernel information */
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VIR_ERR_NO_ROOT, /* missing root device information */
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VIR_ERR_NO_SOURCE, /* missing source device information */
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VIR_ERR_NO_TARGET, /* missing target device information */
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VIR_ERR_NO_NAME, /* missing domain name information */
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VIR_ERR_NO_OS, /* missing domain OS information */
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VIR_ERR_NO_DEVICE, /* missing domain devices information */
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VIR_ERR_NO_XENSTORE,/* could not open Xen Store control */
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VIR_ERR_DRIVER_FULL, /* too many drivers registered */
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VIR_ERR_CALL_FAILED /* not supported by the drivers */
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} virErrorNumber;
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/**
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* virErrorFunc:
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* @userData: user provided data for the error callback
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* @error: the error being raised.
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*
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* Signature of a function to use when there is an error raised by the library.
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*/
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typedef void (*virErrorFunc) (void *userData, virErrorPtr error);
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/*
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* Errors can be handled as asynchronous callbacks or after the routine
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* failed. They can also be handled globally at the library level, or
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* at the connection level (which then has priority
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*/
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virErrorPtr virGetLastError (void);
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void virResetLastError (void);
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void virResetError (virErrorPtr err);
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virErrorPtr virConnGetLastError (virConnectPtr conn);
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void virConnResetLastError (virConnectPtr conn);
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int virCopyLastError (virErrorPtr to);
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void virDefaultErrorFunc (virErrorPtr err);
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void virSetErrorFunc (void *userData,
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virErrorFunc handler);
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void virConnSetErrorFunc (virConnectPtr conn,
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void *userData,
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virErrorFunc handler);
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int virConnCopyLastError (virConnectPtr conn,
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virErrorPtr to);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __VIR_VIRERR_H__ */
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