- 18 2月, 2011 1 次提交
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由 Laine Stump 提交于
This fixes https://bugzilla.redhat.com/show_bug.cgi?id=609463 The problem was that, since a bridge always acquires the MAC address of the connected interface with the numerically lowest MAC, as guests are started and stopped, it was possible for the MAC address to change over time, and this change in the network was being detected by Windows 7 (it sees the MAC of the default route change), so on each reboot it would bring up a dialog box asking about this "new network". The solution is to create a dummy tap interface with a MAC guaranteed to be lower than any guest interface's MAC, and attach that tap to the bridge as soon as it's created. Since all guest MAC addresses start with 0xFE, we can just generate a MAC with the standard "0x52, 0x54, 0" prefix, and it's guaranteed to always win (physical interfaces are never connected to these bridges, so we don't need to worry about competing numerically with them). Note that the dummy tap is never set to IFF_UP state - that's not necessary in order for the bridge to take its MAC, and not setting it to UP eliminates the clutter of having an (eg) "virbr0-nic" displayed in the output of the ifconfig command. I chose to not auto-generate the MAC address in the network XML parser, as there are likely to be consumers of that API that don't need or want to have a MAC address associated with the bridge. Instead, in bridge_driver.c when the network is being defined, if there is no MAC, one is generated. To account for virtual network configs that already exist when upgrading from an older version of libvirt, I've added a %post script to the specfile that searches for all network definitions in both the config directory (/etc/libvirt/qemu/networks) and the state directory (/var/lib/libvirt/network) that are missing a mac address, generates a random address, and adds it to the config (and a matching address to the state file, if there is one). docs/formatnetwork.html.in: document <mac address.../> docs/schemas/network.rng: add nac address to schema libvirt.spec.in: %post script to update existing networks src/conf/network_conf.[ch]: parse and format <mac address.../> src/libvirt_private.syms: export a couple private symbols we need src/network/bridge_driver.c: auto-generate mac address when needed, create dummy interface if mac address is present. tests/networkxml2xmlin/isolated-network.xml tests/networkxml2xmlin/routed-network.xml tests/networkxml2xmlout/isolated-network.xml tests/networkxml2xmlout/routed-network.xml: add mac address to some tests
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- 17 2月, 2011 1 次提交
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由 Osier Yang 提交于
The name convention of device mapper disk is different, and 'parted' can't be used to delete a device mapper disk partition. e.g. Name Path ----------------------------------------- 3600a0b80005ad1d7000093604cae912fp1 /dev/mapper/3600a0b80005ad1d7000093604cae912fp1 Error: Expecting a partition number. This patch introduces 'dmsetup' to fix it. Changes: - New function "virIsDevMapperDevice" in "src/utils/utils.c" - remove "is_dm_device" in "src/storage/parthelper.c", use "virIsDevMapperDevice" instead. - Requires "device-mapper" for 'with-storage-disk" in "libvirt.spec.in" - Check "dmsetup" in 'configure.ac' for "with-storage-disk" - Changes on "src/Makefile.am" to link against libdevmapper - New entry for "virIsDevMapperDevice" in "src/libvirt_private.syms" Changes from v1 to v3: - s/virIsDeviceMapperDevice/virIsDevMapperDevice/g - replace "virRun" with "virCommand" - sort the list of util functions in "libvirt_private.syms" - ATTRIBUTE_NONNULL(1) for virIsDevMapperDevice declaration. e.g. Name Path ----------------------------------------- 3600a0b80005ad1d7000093604cae912fp1 /dev/mapper/3600a0b80005ad1d7000093604cae912fp1 Vol /dev/mapper/3600a0b80005ad1d7000093604cae912fp1 deleted Name Path -----------------------------------------
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- 09 2月, 2011 2 次提交
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由 Eric Blake 提交于
* src/util/sysinfo.h (virSysinfoFormat): New prototype. * src/conf/domain_conf.c (virDomainSysinfoDefFormat): Move guts... * src/util/sysinfo.c (virSysinfoFormat): ...into new function. * src/libvirt_private.syms: Export it.
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由 Gui Jianfeng 提交于
Implement blkio.weight tuning API. Acked-by: NDaniel P. Berrange <berrange@redhat.com> Signed-off-by: NGui Jianfeng <guijianfeng@cn.fujitsu.com>
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- 05 2月, 2011 1 次提交
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由 Eric Blake 提交于
Adds <smartcard mode='passthrough' type='spicevmc'/>, which uses the new <channel name='smartcard'/> of <graphics type='spice'>. * docs/schemas/domain.rng: Support new XML. * docs/formatdomain.html.in: Document it. * src/conf/domain_conf.h (virDomainGraphicsSpiceChannelName): New enum value. (virDomainChrSpicevmcName): New enum. (virDomainChrSourceDef): Distinguish spicevmc types. * src/conf/domain_conf.c (virDomainGraphicsSpiceChannelName): Add smartcard. (virDomainSmartcardDefParseXML): Parse it. (virDomainChrDefParseXML, virDomainSmartcardDefParseXML): Set spicevmc name. (virDomainChrSpicevmc): New enum conversion functions. * src/libvirt_private.syms: Export new functions. * src/qemu/qemu_command.c (qemuBuildChrChardevStr): Conditionalize name. * tests/qemuxml2argvtest.c (domain): New test. * tests/qemuxml2argvdata/qemuxml2argv-smartcard-passthrough-spicevmc.args: New file. * tests/qemuxml2argvdata/qemuxml2argv-smartcard-passthrough-spicevmc.xml: Likewise.
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- 04 2月, 2011 1 次提交
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由 Eric Blake 提交于
* src/conf/domain_conf.h (virDomainSmartcardType): New enum. (virDomainSmartcardDef, virDomainDeviceCcidAddress): New structs. (virDomainDef): Include smartcards. (virDomainSmartcardDefIterator): New typedef. (virDomainSmartcardDefFree, virDomainSmartcardDefForeach): New prototypes. (virDomainControllerType, virDomainDeviceAddressType): Add ccid enum values. (virDomainDeviceInfo): Add ccid address type. * src/conf/domain_conf.c (virDomainSmartcard): Convert between enum and string. (virDomainSmartcardDefParseXML, virDomainSmartcardDefFormat) (virDomainSmartcardDefFree, virDomainDeviceCcidAddressParseXML) (virDomainDefMaybeAddSmartcardController): New functions. (virDomainDefParseXML): Parse the new XML. (virDomainDefFormat): Convert back to XML. (virDomainDefFree): Clean up. (virDomainDeviceInfoIterate): Iterate over passthrough aliases. (virDomainController, virDomainDeviceAddress) (virDomainDeviceInfoParseXML, virDomainDeviceInfoFormat) (virDomainDefAddImplicitControllers): Support new values. * src/libvirt_private.syms (domain_conf.h): New exports. * cfg.mk (useless_free_options): List new function.
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- 29 1月, 2011 1 次提交
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由 Matthias Dahl 提交于
Allows io={threads|native} as an optional attribute to <driver>. Signed-off-by: NEric Blake <eblake@redhat.com>
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- 26 1月, 2011 3 次提交
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由 Daniel P. Berrange 提交于
Add a hook to the error reporting APIs to allow specific error messages to be filtered out. Wire up libvirtd to remove VIR_ERR_NO_DOMAIN & similar error codes from the logs. They are still logged at DEBUG level. * daemon/libvirtd.c: Filter VIR_ERR_NO_DOMAIN and friends * src/libvirt_private.syms, src/util/virterror.c, src/util/virterror_internal.h: Hook for changing error reporting level
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由 Daniel P. Berrange 提交于
This reverts the additions in commit abff683f taking us back to state where all errors are fully logged in both libvirtd and normal clients. THe intent was to stop VIR_ERR_NO_DOMAIN (No such domain with UUID XXXX) messages from client apps polluting syslog The change affected all error codes, but more seriously, it also impacted errors from internal libvirtd infrastructure For example guest autostart no longer logged errors. The libvirtd network code no longer logged some errors. This makes debugging incredibly hard * daemon/libvirtd.c: Remove error log priority filter * src/util/virterror.c, src/util/virterror_internal.h: Remove callback for overriding log priority
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由 Laine Stump 提交于
A need was found to set the SELinux context label on an open fd (a pipe, as a matter of fact). This patch adds a function to the security driver API that will set the label on an open fd to secdef.label. For all drivers other than the SELinux driver, it's a NOP. For the SElinux driver, it calls fsetfilecon(). If the return is a failure, it only returns error up to the caller if 1) the desired label is different from the existing label, 2) the destination fd is of a type that supports setting the selinux context, and 3) selinux is in enforcing mode. Otherwise it will return success. This follows the pattern of the existing function SELinuxSetFilecon().
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- 19 1月, 2011 1 次提交
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由 Matthias Bolte 提交于
The public object is called NWFilter but the corresponding private object is called NWFilterPool. I don't see compelling reasons for this Pool suffix. One might argue that an NWFilter is a "pool" of rules, etc. Remove the Pool suffix from NWFilterPool. No functional change included.
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- 15 1月, 2011 1 次提交
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由 Eric Blake 提交于
This opens up the possibility of reusing the smaller ChrSourceDef for both qemu monitor and a passthrough smartcard device. * src/conf/domain_conf.h (_virDomainChrDef): Factor host details... (_virDomainChrSourceDef): ...into new struct. (virDomainChrSourceDefFree): New prototype. * src/conf/domain_conf.c (virDomainChrDefFree) (virDomainChrDefParseXML, virDomainChrDefFormat): Split... (virDomainChrSourceDefClear, virDomainChrSourceDefFree) (virDomainChrSourceDefParseXML, virDomainChrSourceDefFormat): ...into new functions. (virDomainChrDefParseTargetXML): Update clients to reflect type split. * src/vmx/vmx.c (virVMXParseSerial, virVMXParseParallel) (virVMXFormatSerial, virVMXFormatParallel): Likewise. * src/xen/xen_driver.c (xenUnifiedDomainOpenConsole): Likewise. * src/xen/xend_internal.c (xenDaemonParseSxprChar) (xenDaemonFormatSxprChr): Likewise. * src/vbox/vbox_tmpl.c (vboxDomainDumpXML, vboxAttachSerial) (vboxAttachParallel): Likewise. * src/security/security_dac.c (virSecurityDACSetChardevLabel) (virSecurityDACSetChardevCallback) (virSecurityDACRestoreChardevLabel) (virSecurityDACRestoreChardevCallback): Likewise. * src/security/security_selinux.c (SELinuxSetSecurityChardevLabel) (SELinuxSetSecurityChardevCallback) (SELinuxRestoreSecurityChardevLabel) (SELinuxSetSecurityChardevCallback): Likewise. * src/security/virt-aa-helper.c (get_files): Likewise. * src/lxc/lxc_driver.c (lxcVmStart, lxcDomainOpenConsole): Likewise. * src/uml/uml_conf.c (umlBuildCommandLineChr): Likewise. * src/uml/uml_driver.c (umlIdentifyOneChrPTY, umlIdentifyChrPTY) (umlDomainOpenConsole): Likewise. * src/qemu/qemu_command.c (qemuBuildChrChardevStr) (qemuBuildChrArgStr, qemuBuildCommandLine) (qemuParseCommandLineChr): Likewise. * src/qemu/qemu_domain.c (qemuDomainObjPrivateXMLFormat) (qemuDomainObjPrivateXMLParse): Likewise. * src/qemu/qemu_cgroup.c (qemuSetupChardevCgroup): Likewise. * src/qemu/qemu_hotplug.c (qemuDomainAttachNetDevice): Likewise. * src/qemu/qemu_driver.c (qemudFindCharDevicePTYsMonitor) (qemudFindCharDevicePTYs, qemuPrepareChardevDevice) (qemuPrepareMonitorChr, qemudShutdownVMDaemon) (qemuDomainOpenConsole): Likewise. * src/qemu/qemu_command.h (qemuBuildChrChardevStr) (qemuBuildChrArgStr): Delete, now that they are static. * src/libvirt_private.syms (domain_conf.h): New exports. * cfg.mk (useless_free_options): Update list. * tests/qemuxml2argvtest.c (testCompareXMLToArgvFiles): Update tests.
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- 14 1月, 2011 1 次提交
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由 Eric Blake 提交于
It was awkward having only int conversion in the virStrToLong family, but only long conversion in the virXPath family. Make both families support both types. * src/util/util.h (virStrToLong_l, virStrToLong_ul): New prototypes. * src/util/xml.h (virXPathInt, virXPathUInt): Likewise. * src/util/util.c (virStrToLong_l, virStrToLong_ul): New functions. * src/util/xml.c (virXPathInt, virXPathUInt): Likewise. * src/libvirt_private.syms (util.h, xml.h): Export them.
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- 13 1月, 2011 1 次提交
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由 Eric Blake 提交于
Without this patch, at least tests/daemon-conf (which sticks $builddir/src in the PATH) tries to execute the directory $builddir/src/qemu rather than a real qemu binary. * src/util/util.h (virFileExists): Adjust prototype. (virFileIsExecutable): New prototype. * src/util/util.c (virFindFileInPath): Reject non-executables and directories. Avoid huge stack allocation. (virFileExists): Use lighter-weight syscall. (virFileIsExecutable): New function. * src/libvirt_private.syms (util.h): Export new function.
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- 11 1月, 2011 1 次提交
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由 Daniel P. Berrange 提交于
The current security driver usage requires horrible code like if (driver->securityDriver && driver->securityDriver->domainSetSecurityHostdevLabel && driver->securityDriver->domainSetSecurityHostdevLabel(driver->securityDriver, vm, hostdev) < 0) This pair of checks for NULL clutters up the code, making the driver calls 2 lines longer than they really need to be. The goal of the patchset is to change the calling convention to simply if (virSecurityManagerSetHostdevLabel(driver->securityDriver, vm, hostdev) < 0) The first check for 'driver->securityDriver' being NULL is removed by introducing a 'no op' security driver that will always be present if no real driver is enabled. This guarentees driver->securityDriver != NULL. The second check for 'driver->securityDriver->domainSetSecurityHostdevLabel' being non-NULL is hidden in a new abstraction called virSecurityManager. This separates the driver callbacks, from main internal API. The addition of a virSecurityManager object, that is separate from the virSecurityDriver struct also allows for security drivers to carry state / configuration information directly. Thus the DAC/Stack drivers from src/qemu which used to pull config from 'struct qemud_driver' can now be moved into the 'src/security' directory and store their config directly. * src/qemu/qemu_conf.h, src/qemu/qemu_driver.c: Update to use new virSecurityManager APIs * src/qemu/qemu_security_dac.c, src/qemu/qemu_security_dac.h src/qemu/qemu_security_stacked.c, src/qemu/qemu_security_stacked.h: Move into src/security directory * src/security/security_stack.c, src/security/security_stack.h, src/security/security_dac.c, src/security/security_dac.h: Generic versions of previous QEMU specific drivers * src/security/security_apparmor.c, src/security/security_apparmor.h, src/security/security_driver.c, src/security/security_driver.h, src/security/security_selinux.c, src/security/security_selinux.h: Update to take virSecurityManagerPtr object as the first param in all callbacks * src/security/security_nop.c, src/security/security_nop.h: Stub implementation of all security driver APIs. * src/security/security_manager.h, src/security/security_manager.c: New internal API for invoking security drivers * src/libvirt.c: Add missing debug for security APIs
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- 01 1月, 2011 1 次提交
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由 Laine Stump 提交于
These functions work only for IPv4, becasue IPv6 doesn't have the same concept of "broadcast address" as IPv4. They merely OR the inverse of the netmask with the given host address, thus turning on all the host bits.
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- 24 12月, 2010 4 次提交
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由 Laine Stump 提交于
virSetUIDGID() sets both the real and effective group and user of the process, and additionally calls initgroups() to assure that the process joins all the auxiliary groups that the given uid is a member of.
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由 Laine Stump 提交于
This commit adds support for IPv6 parsing and formatting to the virtual network XML parser, including moving around data definitions to allow for multiple <ip> elements on a single network, but only changes the consumers of this API to accommodate for the changes in API/structure, not to add any actual IPv6 functionality. That will come in a later patch - this patch attempts to maintain the same final functionality in both drivers that use the network XML parser - vbox and "bridge" (the Linux bridge-based driver used by the qemu hypervisor driver). * src/libvirt_private.syms: Add new private API functions. * src/conf/network_conf.[ch]: Change C data structure and parsing/formatting. * src/network/bridge_driver.c: Update to use new parser/formatter. * src/vbox/vbox_tmpl.c: update to use new parser/formatter * docs/schemas/network.rng: changes to the schema - * there can now be more than one <ip> element. * ip address is now an ip-addr (ipv4 or ipv6) rather than ipv4-addr * new optional "prefix" attribute that can be used in place of "netmask" * new optional "family" attribute - "ipv4" or "ipv6" (will default to ipv4) * define data types for the above * tests/networkxml2xml(in|out)/nat-network.xml: add multiple <ip> elements (including IPv6) to a single network definition to verify they are being correctly parsed and formatted.
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由 Laine Stump 提交于
Later patches will add the possibility to define a network's netmask as a prefix (0-32, or 0-128 in the case of IPv6). To make it easier to deal with definition of both kinds (prefix or netmask), add two new functions: virNetworkDefNetmask: return a copy of the netmask into a virSocketAddr. If no netmask was specified in the XML, create a default netmask based on the network class of the virNetworkDef's IP address. virNetworkDefPrefix: return the netmask as numeric prefix (or the default prefix for the network class of the virNetworkDef's IP address, if no netmask was specified in the XML)
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由 Laine Stump 提交于
virSocketPrefixToNetmask: Given a 'prefix', which is the number of 1 bits in a netmask, fill in a virSocketAddr object with a netmask as an IP address (IPv6 or IPv4). virSocketAddrMask: Mask off the host bits in one virSocketAddr according to the netmask in another virSocketAddr. virSocketAddrMaskByPrefix, Mask off the host bits in a virSocketAddr according to a prefix (number of 1 bits in netmask). VIR_SOCKET_FAMILY: return the family of a virSocketAddr
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- 14 12月, 2010 1 次提交
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由 Eric Blake 提交于
Allows compilation, but no creation of child processes yet. Take it one step at a time. * src/util/util.c (virExecWithHook) [WIN32]: New dummy function. * src/libvirt_private.syms: Export it.
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- 11 12月, 2010 1 次提交
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由 Eric Blake 提交于
* src/util/command.h (virCommandAddArgBuffer) (virCommandAddEnvBuffer): New prototypes. * src/util/command.c (virCommandAddArgBuffer) (virCommandAddEnvBuffer): Implement them. * src/libvirt_private.syms (command.h): Export them. * src/qemu/qemu_conf.c (qemudBuildCommandLine): Use them, plugging a memory leak on rbd_hosts in the process.
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- 10 12月, 2010 1 次提交
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由 Hu Tao 提交于
* src/util/threadpool.c, src/util/threadpool.h: Thread pool implementation * src/Makefile.am: Build thread pool * src/libvirt_private.syms: Export public functions
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- 07 12月, 2010 1 次提交
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由 Eric Blake 提交于
* src/util/threads.h (virThreadID): New prototype. * src/util/threads-pthread.c (virThreadID): New function. * src/util/threads-win32.c (virThreadID): Likewise. * src/libvirt_private.syms (threads.h): Export it. * daemon/event.c (virEventInterruptLocked): Use it to avoid warning on BSD systems.
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- 03 12月, 2010 2 次提交
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由 Daniel P. Berrange 提交于
This introduces a new set of APIs in src/util/command.h to use for invoking commands. This is intended to replace all current usage of virRun and virExec variants, with a more flexible and less error prone API. * src/util/command.c: New file. * src/util/command.h: New header. * src/Makefile.am (UTIL_SOURCES): Build it. * src/libvirt_private.syms: Export symbols internally. * tests/commandtest.c: New test. * tests/Makefile.am (check_PROGRAMS): Run it. * tests/commandhelper.c: Auxiliary program. * tests/commanddata/test2.log - test15.log: New expected outputs. * cfg.mk (useless_free_options): Add virCommandFree. (msg_gen_function): Add virCommandError. * po/POTFILES.in: New translation. * .x-sc_avoid_write: Add exemption. * tests/.gitignore: Ignore new built file.
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由 Eric Blake 提交于
* src/util/util.h (virVasprintf): New declaration. * src/util/util.c (virVasprintf): New function. (virAsprintf): Use it. * src/util/virtaudit.c (virAuditSend): Likewise. * src/libvirt_private.syms: Export it. * cfg.mk (sc_prohibit_asprintf): Also prohibit vasprintf. * .x-sc_prohibit_asprintf: Add exemption.
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- 02 12月, 2010 2 次提交
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由 Eric Blake 提交于
* src/qemu/qemu_driver.c (qemudShutdown): Free all strings and the ebtables structure. * src/libvirt_private.syms (ebtablesContextFree): Export missing symbol. * src/util/ebtables.c (ebtablesContextFree): Allow early exit.
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由 Matthias Bolte 提交于
Use macvtap specific functions depending on WITH_MACVTAP. Use #if instead of #ifdef to check for WITH_MACVTAP, because WITH_MACVTAP is always defined with value 0 or 1. Also export virVMOperationType{To|From}String unconditional, because they are used unconditional in the domain config code.
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- 01 12月, 2010 1 次提交
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由 Jiri Denemark 提交于
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- 30 11月, 2010 1 次提交
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由 Matthias Bolte 提交于
This reverts commit Log all errors at level INFO to stop polluting syslog 04bd0360. and makes virRaiseErrorFull() log errors at debug priority when called from inside libvirtd. This stops libvirtd from polluting it's own log with client errors at error priority that'll be reported and logged on the client side anyway.
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- 24 11月, 2010 1 次提交
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由 Eric Blake 提交于
* src/libvirt_private.syms (buf.h): Sort.
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- 23 11月, 2010 4 次提交
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由 Daniel P. Berrange 提交于
To allow messages from different threads to be untangled, include an integer thread identifier in log messages. * src/util/logging.c: Include thread ID * src/util/threads.h, src/util/threads.h, src/util/threads-pthread.c: Add new virThreadSelfID() function * configure.ac: Check for sys/syscall.h
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由 Cole Robinson 提交于
Do this by adding a helper function to get the persistent domain config. This should be useful for other functions that may eventually want to alter the persistent domain config (attach/detach device). Also make similar changes to the test drivers setvcpus command. A caveat is that the function will return the running config for a transient domain, rather than error. This simplifies callers, as long as they use other methods to ensure the guest is persistent.
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由 Cole Robinson 提交于
This function sets the running domain definition as transient, by reparsing the persistent config and assigning it to newDef. This ensures that any changes made to the running definition and not the persistent config are discarded when the VM is shutdown.
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由 Cole Robinson 提交于
If we don't escape ' or \ xend can't parse the generated sexpr. This might over apply the EscapeSexpr routine, but it shouldn't hurt.
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- 19 11月, 2010 2 次提交
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由 Eric Blake 提交于
* src/util/memory.h (VIR_RESIZE_N): New macro. * src/util/memory.c (virResizeN): New function. * src/libvirt_private.syms: Export new helper. * docs/hacking.html.in: Document it. * HACKING: Regenerate.
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由 Eric Blake 提交于
* src/util/memory.h (VIR_REALLOC_N): Update docs. (VIR_EXPAND_N, VIR_SHRINK_N): New macros. (virAlloc, virAllocN, virReallocN, virAllocVar, virFree): Add some gcc attributes. * src/util/memory.c (virExpandN, virShrinkN): New functions. (virReallocN): Update docs. * src/libvirt_private.syms: Export new helpers. * docs/hacking.html.in: Prefer newer interfaces over VIR_REALLOC_N, since uninitialized memory can bite us. * HACKING: Regenerate.
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- 17 11月, 2010 1 次提交
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由 Stefan Berger 提交于
Similarly to deprecating close(), I am now deprecating fclose() and introduce VIR_FORCE_FCLOSE() and VIR_FCLOSE(). Also, fdopen() is replaced with VIR_FDOPEN(). Most of the files are opened in read-only mode, so usage of VIR_FORCE_CLOSE() seemed appropriate. Others that are opened in write mode already had the fclose()< 0 check and I converted those to VIR_FCLOSE()< 0. I did not find occurrences of possible double-closed files on the way.
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- 12 11月, 2010 2 次提交
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由 Daniel P. Berrange 提交于
The util/threads.c/h code already has APIs for mutexes, condition variables and thread locals. This commit adds in code for actually creating threads. * src/libvirt_private.syms: Export new symbols * src/util/threads.h: Define APIs virThreadCreate, virThreadSelf, virThreadIsSelf and virThreadJoin * src/util/threads-win32.c, src/util/threads-win32.h: Win32 impl of threads * src/util/threads-pthread.c, src/util/threads-pthread.h: POSIX impl of threads
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由 Daniel P. Berrange 提交于
To avoid the need for duplicating implementations of virStream drivers, provide a generic implementation that can handle any FD based stream. This code is copied from the existing impl in the QEMU driver, with the locking moved into the stream impl, and addition of a read callback The FD stream code will refuse to operate on regular files or block devices, since those can't report EAGAIN properly when they would block on I/O * include/libvirt/virterror.h, include/libvirt/virterror.h: Add VIR_FROM_STREAM error domain * src/qemu/qemu_driver.c: Remove code obsoleted by the new generic streams driver. * src/fdstream.h, src/fdstream.c, src/fdstream.c, src/libvirt_private.syms: Generic reusable FD based streams
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