From f5989a61b05f0c04956347ab633772883d84d2e5 Mon Sep 17 00:00:00 2001 From: ge Date: Tue, 10 Jun 2025 00:04:11 +0300 Subject: [PATCH] init --- .editorconfig | 8 + .gitattributes | 8 + .gitignore | 24 ++ COPYING | 674 ++++++++++++++++++++++++++++++++++++++++++ COPYING.LESSER | 165 +++++++++++ README.md | 97 +++++++ client.v | 162 +++++++++++ commands.v | 771 +++++++++++++++++++++++++++++++++++++++++++++++++ error.v | 49 ++++ v.mod | 7 + 10 files changed, 1965 insertions(+) create mode 100644 .editorconfig create mode 100644 .gitattributes create mode 100644 .gitignore create mode 100644 COPYING create mode 100644 COPYING.LESSER create mode 100644 README.md create mode 100644 client.v create mode 100644 commands.v create mode 100644 error.v create mode 100644 v.mod diff --git a/.editorconfig b/.editorconfig new file mode 100644 index 0000000..01072ca --- /dev/null +++ b/.editorconfig @@ -0,0 +1,8 @@ +[*] +charset = utf-8 +end_of_line = lf +insert_final_newline = true +trim_trailing_whitespace = true + +[*.v] +indent_style = tab diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..9a98968 --- /dev/null +++ b/.gitattributes @@ -0,0 +1,8 @@ +* text=auto eol=lf +*.bat eol=crlf + +*.v linguist-language=V +*.vv linguist-language=V +*.vsh linguist-language=V +v.mod linguist-language=V +.vdocignore linguist-language=ignore diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..5db401b --- /dev/null +++ b/.gitignore @@ -0,0 +1,24 @@ +# Binaries for programs and plugins +main +qga +*.exe +*.exe~ +*.so +*.dylib +*.dll + +# Ignore binary output folders +bin/ + +# Ignore common editor/system specific metadata +.DS_Store +.idea/ +.vscode/ +*.iml + +# ENV +.env + +# vweb and database +*.db +*.js diff --git a/COPYING b/COPYING new file mode 100644 index 0000000..f288702 --- /dev/null +++ b/COPYING @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/COPYING.LESSER b/COPYING.LESSER new file mode 100644 index 0000000..0a04128 --- /dev/null +++ b/COPYING.LESSER @@ -0,0 +1,165 @@ + GNU LESSER GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + + This version of the GNU Lesser General Public License incorporates +the terms and conditions of version 3 of the GNU General Public +License, supplemented by the additional permissions listed below. + + 0. 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Combined Libraries. + + You may place library facilities that are a work based on the +Library side by side in a single library together with other library +facilities that are not Applications and are not covered by this +License, and convey such a combined library under terms of your +choice, if you do both of the following: + + a) Accompany the combined library with a copy of the same work based + on the Library, uncombined with any other library facilities, + conveyed under the terms of this License. + + b) Give prominent notice with the combined library that part of it + is a work based on the Library, and explaining where to find the + accompanying uncombined form of the same work. + + 6. Revised Versions of the GNU Lesser General Public License. + + The Free Software Foundation may publish revised and/or new versions +of the GNU Lesser General Public License from time to time. Such new +versions will be similar in spirit to the present version, but may +differ in detail to address new problems or concerns. + + Each version is given a distinguishing version number. If the +Library as you received it specifies that a certain numbered version +of the GNU Lesser General Public License "or any later version" +applies to it, you have the option of following the terms and +conditions either of that published version or of any later version +published by the Free Software Foundation. If the Library as you +received it does not specify a version number of the GNU Lesser +General Public License, you may choose any version of the GNU Lesser +General Public License ever published by the Free Software Foundation. + + If the Library as you received it specifies that a proxy can decide +whether future versions of the GNU Lesser General Public License shall +apply, that proxy's public statement of acceptance of any version is +permanent authorization for you to choose that version for the +Library. diff --git a/README.md b/README.md new file mode 100644 index 0000000..2f037eb --- /dev/null +++ b/README.md @@ -0,0 +1,97 @@ +# QEMU Guest Agent Protocol client for V + +`qga` is full featured QGA client for interacting with guest operating systems +in QEMU-powered virtual machine from virtualisation host. + +See also: + +- Guest Agent in QEMU Wiki: https://wiki.qemu.org/Features/GuestAgent +- QEMU Guest Agent Protocol Reference: https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html + +## Usage + +Run the virtual machine. In this example `disk.qcow2` contains Debian 12 Bookworm +with `qemu-guest-agent` package installed. + +``` +/usr/bin/qemu-system-x86_64 \ + -name testvm \ + -accel kvm \ + -cpu host \ + -smp 1 \ + -m 1024M \ + -drive file=disk.qcow2,media=disk,if=virtio \ + -chardev socket,path=/tmp/qga.sock,server=on,wait=off,id=qga0 \ + -device virtio-serial \ + -device virtserialport,chardev=qga0,name=org.qemu.guest_agent.0 +``` + +Then connect to a guest agent server socket `/tmp/gqa.sock`: + +```v +import qga + +fn main() { + ga := qga.Client.new('/tmp/qga.sock')! + agent_version := ga.info()!.version + println('everything is fine! guest agent version is ${agent_version}') +} +``` + +## Error handling + +`GuestAgentError` contains extended error information. See the description of +the structure fields. + +The error can be returned either directly by the guest agent or when trying to +communicating it. `GuestAgentError` has an explicit flag to distinguish such +errors. If for some reason the guest agent could not be reached, `is_unreachable` +will be true. The error information will be in the underlying error stored in the +`err` field and in the error text itself. + +```v +module main + +import qga + +fn main() { + mut ga := qga.Client.new('/tmp/qga.sock')! + ga.get_devices() or { + if err is qga.GuestAgentError { + if err.is_unreachable { + println('agent is unreachable') + return + } else { + println('error info from guest agent: class=${err.class} desc=${err.desc}') + return + } + } + } +} +``` + +Prints this (so `guest-get-devices` is disabled on Debian): + +``` +error info from guest agent: class=CommandNotFound desc=Command guest-get-devices has been disabled +``` + +In addition, `qga` module provides a small set of specific error codes. +They can be checked in this way without `err` smartcasting: + +```v ignore +ga.ping() or { + match err.code() { + qga.err_no_connect { panic('socket connection error') } + qga.err_timed_out { panic('timeout reached') } + qga.err_from_agent { panic('error ocurred in guest agent') } + else { panic(err) } + } +} +``` + +## License + +`LGPL-3.0-or-later` + +See [COPYING](COPYING) and [COPYING.LESSER](COPYING.LESSER) for information. diff --git a/client.v b/client.v new file mode 100644 index 0000000..4e9a429 --- /dev/null +++ b/client.v @@ -0,0 +1,162 @@ +// This file is part of qga. +// +// qga is free software: you can redistribute it and/or modify it under +// the terms of the GNU Lesser General Public License as published by the +// Free Software Foundation, either version 3 of the License, or (at your +// option) any later version. +// +// qga 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 Lesser General Public +// License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with qga. If not, see . + +module qga + +import json +import net.unix +import time + +// Client holds a connection to the QEMU Guest Agent socket. +struct Client { +mut: + stream unix.StreamConn + read_buffer_size int +} + +// Client.new creates new Client instance connected to provided UNIX domain socket address. +// Example: +// ``` +// mut ga := qga.Client.new('/tmp/qga0.sock')! +// ga.ping()! +// ``` +pub fn Client.new(addr string, params ClientParams) !Client { + mut stream := unix.connect_stream(addr) or { + return GuestAgentError{ + msg: 'unable to connect to socket at ${addr}: ${err}' + code: err_no_connect + err: err + is_unreachable: true + } + } + stream.set_write_timeout(params.timeout) + stream.set_read_timeout(params.timeout) + return Client{stream, params.read_buffer_size} +} + +// Client.from_handle creates new Client instance connected to socket handle. +pub fn Client.from_handle(handle int, params ClientParams) !Client { + mut sock := unix.stream_socket_from_handle(handle) or { + return GuestAgentError{ + msg: 'unable to connect to socket at ${handle}: ${err}' + code: err_no_connect + err: err + is_unreachable: true + } + } + mut stream := unix.StreamConn{ + sock: sock + } + stream.set_write_timeout(params.timeout) + stream.set_read_timeout(params.timeout) + return Client{stream, params.read_buffer_size} +} + +@[params] +pub struct ClientParams { + timeout time.Duration = 5 * time.second // socket write and read timeout + read_buffer_size int = 4096 // read buffer size in bytes +} + +// Request represents a common QEMU Guest Agent Protocol request schema. +struct Request[T] { + execute string + arguments ?T +} + +// Response represents a common QEMU Guest Agent Protocol response schema. +struct Response[T] { + return T + error ?struct { + class string + desc string + } +} + +// execute is generic function to run arbitrary QGA commands. +fn (mut c Client) execute[T, R](name string, args ?T, params ExecuteParams) !Response[R] { + request := Request[T]{ + execute: name + arguments: args + } + encoded := json.encode(request) + c.stream.wait_for_write() or { + return GuestAgentError{ + msg: 'socket write timeout reached' + code: err_timed_out + err: err + is_unreachable: true + } + } + c.stream.write(encoded.bytes()) or { + return GuestAgentError{ + msg: 'cannot write data to socket at ${c.stream.sock.handle}: ${err}' + code: err_cannot_write + err: err + is_unreachable: true + } + } + $if trace_guest_agent ? { + eprintln('>>> ${@MOD}.${@METHOD} Sent: ${encoded}') + } + if params.no_return { + $if trace_guest_agent ? { + eprintln('<<< ${@MOD}.${@METHOD} command ${name} is no return, skip reading response') + } + return Response[R]{} + } + mut buf := []u8{len: c.read_buffer_size} + c.stream.wait_for_read() or { + return GuestAgentError{ + msg: 'socket read timeout reached' + code: err_timed_out + err: err + is_unreachable: true + } + } + c.stream.read(mut buf) or { + return GuestAgentError{ + msg: 'cannot read from socket at ${c.stream.sock.handle}: ${err}' + code: err_cannot_read + err: err + is_unreachable: true + } + } + // trim trailing null bytes + mut idx := buf.len - 1 + for idx >= 0 && buf[idx] == 0 { + idx-- + } + str := buf[..idx + 1].bytestr().trim_space() + $if trace_guest_agent ? { + eprintln('<<< ${@MOD}.${@METHOD} Recv: ${str}') + } + decoded := json.decode(Response[R], str)! + if decoded.error != none { + return GuestAgentError{ + msg: 'guest agent command failed' + code: err_from_agent + class: decoded.error.class + desc: decoded.error.desc + } + } + return decoded +} + +@[params] +struct ExecuteParams { +pub: + no_return bool +} diff --git a/commands.v b/commands.v new file mode 100644 index 0000000..2b2c6b5 --- /dev/null +++ b/commands.v @@ -0,0 +1,771 @@ +// This file is part of qga. +// +// qga is free software: you can redistribute it and/or modify it under +// the terms of the GNU Lesser General Public License as published by the +// Free Software Foundation, either version 3 of the License, or (at your +// option) any later version. +// +// qga 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 Lesser General Public +// License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with qga. If not, see . + +module qga + +import encoding.base64 + +// Empty is used for guest-ping and other commands with no arguments or no return. +struct Empty {} + +struct GuestExec { + pid int +} + +struct GuestExecRequest { +mut: + path string + arg ?[]string + env ?[]string + input_data ?string @[json: 'input-data'] + capture_output ?bool @[json: 'capture-output'] +} + +@[params] +pub struct GuestExecParams { +pub: + args ?[]string + env ?[]string + input_data ?string + capture_output ?bool +} + +// exec executes [guest-exec](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-exec) command. +pub fn (mut c Client) exec(path string, params GuestExecParams) !int { + req := GuestExecRequest{ + path: path + arg: params.args + env: params.env + input_data: params.input_data + capture_output: params.capture_output + } + res := c.execute[GuestExecRequest, GuestExec]('guest-exec', req)! + return res.return.pid +} + +pub struct GuestExecStatus { +pub: + exited bool + exitcode ?int + signal ?int + out_data ?string @[json: 'out-data'] + err_data ?string @[json: 'err-data'] + out_truncated ?bool @[json: 'out-truncated'] + err_truncated ?bool @[json: 'err-truncated'] +} + +struct GuestExecStatusRequest { + pid int +} + +// exec_status executes [guest-exec-status](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-exec-status) command. +pub fn (mut c Client) exec_status(pid int) !GuestExecStatus { + req := GuestExecStatusRequest{pid} + return c.execute[GuestExecStatusRequest, GuestExecStatus]('guest-exec-status', req)!.return +} + +struct GuestFileCloseRequest { + handle int +} + +// file_close executes [guest-file-close](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-file-close) command. +pub fn (mut c Client) file_close(handle int) ! { + req := GuestFileCloseRequest{handle} + c.execute[GuestFileCloseRequest, Empty]('guest-file-close', req)! +} + +struct GuestFileFlushRequest { + handle int +} + +// file_flush executes [guest-file-flush](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-file-flush) command. +pub fn (mut c Client) file_flush(handle int) ! { + req := GuestFileFlushRequest{handle} + c.execute[GuestFileFlushRequest, Empty]('guest-file-flush', req)! +} + +struct GuestFileOpenRequest { + path string + mode string +} + +// file_open executes [guest-file-open](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-file-open) command. +pub fn (mut c Client) file_open(path string, mode string) !int { + req := GuestFileOpenRequest{path, mode} + return c.execute[GuestFileOpenRequest, int]('guest-file-open', req)!.return +} + +struct GuestFileReadRequest { + handle int + count int +} + +pub struct GuestFileRead { +pub: + count int + buf_b64 string @[json: 'buf-b64'] + eof bool +} + +// file_read executes [guest-file-read](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-file-read) command. +pub fn (mut c Client) file_read(handle int, count int) !GuestFileRead { + req := GuestFileReadRequest{handle, count} + return c.execute[GuestFileReadRequest, GuestFileRead]('guest-file-read', req)!.return +} + +struct GuestFileSeekRequest { + handle int + offset int + whence GuestAgentWhence +} + +pub struct GuestFileSeek { +pub: + position int + eof bool +} + +pub struct GuestAgentWhence { +pub: + value int + name QGASeek +} + +pub enum QGASeek { + set + cur + end +} + +// file_seek executes [guest-file-seek](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-file-seek) command. +pub fn (mut c Client) file_seek(handle int, offset int, whence GuestAgentWhence) !GuestFileSeek { + req := GuestFileSeekRequest{handle, offset, whence} + return c.execute[GuestFileSeekRequest, GuestFileSeek]('guest-file-seek', req)!.return +} + +struct GuestFileWriteRequest { +mut: + handle int + buf_b64 string + count int +} + +pub struct GuestFileWrite { +pub: + count int + eof bool +} + +pub struct GuestFileWriteParams { +pub: + is_encoded bool + count ?int +} + +// file_write executes [guest-file-write](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-file-write) command. +pub fn (mut c Client) file_write(handle int, buf string, params GuestFileWriteParams) !GuestFileWrite { + mut req := GuestFileWriteRequest{ + handle: handle + } + if params.is_encoded { + req.buf_b64 = buf + } else { + req.buf_b64 = base64.encode_str(buf) + } + if params.count == none { + req.count = req.buf_b64.len + } else { + req.count = params.count + } + return c.execute[GuestFileWriteRequest, GuestFileWrite]('guest-file-write', req)!.return +} + +// fsfreeze_freeze executes [guest-fsfreeze-freeze](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-fsfreeze-freeze) command. +pub fn (mut c Client) fsfreeze_freeze() !int { + return c.execute[Empty, int]('guest-fsfreeze-freeze', none)!.return +} + +struct GuestFsfreezeFsfreezeList { +mut: + mountpoints ?[]string +} + +// fsfreeze_freeze_list executes [guest-fsfreeze-freeze-list](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-fsfreeze-freeze-list) command. +// An empty `mountpoints` array will freeze all filesystems. +pub fn (mut c Client) fsfreeze_freeze_list(mountpoints []string) !int { + mut req := GuestFsfreezeFsfreezeList{} + if mountpoints.len > 0 { + req.mountpoints = mountpoints + } + return c.execute[GuestFsfreezeFsfreezeList, int]('guest-fsfreeze-freeze-list', req)!.return +} + +pub enum GuestFsfreezeStatus { + thawed + frozen +} + +// fsfreeze_status executes [guest-fsfreeze-status](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-fsfreeze-status) command. +pub fn (mut c Client) fsfreeze_status() !GuestFsfreezeStatus { + return c.execute[Empty, GuestFsfreezeStatus]('guest-fsfreeze-status', none)!.return +} + +// fsfreeze_thaw executes [guest-fsfreeze-thaw](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-fsfreeze-thaw) command. +pub fn (mut c Client) fsfreeze_thaw() !int { + return c.execute[Empty, int]('guest-fsfreeze-thaw', none)!.return +} + +struct GuestFilesystemTrimRequest { + minimun u64 +} + +pub struct GuestFilesystemTrimResponse { +pub: + paths []GuestFilesystemTrimResult +} + +pub struct GuestFilesystemTrimResult { + path string + error ?string + trimmed ?u64 + minimum ?u64 +} + +// fstrim executes [guest-fstrim](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-fstrim) command. +// Set `minimum` to zero to discard every free block. +pub fn (mut c Client) fstrim(minimum u64) !GuestFilesystemTrimResponse { + req := GuestFilesystemTrimRequest{minimum} + return c.execute[GuestFilesystemTrimRequest, GuestFilesystemTrimResponse]('guest-fstrim', + req)!.return +} + +pub struct GuestCpuStats { + GuestLinuxCpuStats +pub: + type GuestCpuStatsType +} + +pub enum GuestCpuStatsType { + linux +} + +pub struct GuestLinuxCpuStats { +pub: + cpu int + user int + nice int + system int + idle int + iowait ?int + irq ?int + sofirq ?int + steal ?int + guest ?int + guestnice ?int +} + +// get_cpustats executes [guest-get-cpustats](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-get-cpustats) command. +pub fn (mut c Client) get_cpustats() ![]GuestCpuStats { + return c.execute[Empty, []GuestCpuStats]('guest-get-cpustats', none)!.return +} + +pub struct GuestDeviceInfo { + driver_name string + driver_data ?string + driver_version ?string + id ?GuestDeviceId +} + +pub struct GuestDeviceId { +pub: + type GuestDeviceType + vendor_id int @[json: 'vendor-id'] + device_id int @[json: 'device-id'] +} + +pub enum GuestDeviceType { + pci +} + +// get_devices executes [guest-get-devices](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-get-devices) command. +pub fn (mut c Client) get_devices() ![]GuestDeviceInfo { + return c.execute[Empty, []GuestDeviceInfo]('guest-get-devices', none)!.return +} + +pub struct GuestDiskInfo { +pub: + name string + partition bool + dependencies ?[]string + address ?GuestDiskAddress + alias ?string + smart ?GuestDiskSmart +} + +pub struct GuestDiskAddress { +pub: + pci_controller GuestPCIAddress @[json: 'pci-controller'] + bus_type GuestDiskBusType @[json: 'bus-type'] + bus int + target int + unit int + serial ?string + dev ?string + ccw_address ?GuestCCWAddress +} + +pub struct GuestPCIAddress { +pub: + domain int + bus int + slot int + function int +} + +pub enum GuestDiskBusType { + ide + fdc + scsi + virtio + xen + usb + uml + sata + sd + unknown + ieee1394 + ssa + fibre + raid + iscsi + sas + mmc + virtual + file_backed_virtual @[json: 'file-backed-virtual'] + nvme +} + +pub struct GuestCCWAddress { +pub: + cssid int + ssid int + subchno int + devno int +} + +pub struct GuestDiskSmart { +pub: + critical_warning int @[json: 'critical-warning'] + temperature int @[json: 'temperature'] + available_spare int @[json: 'available-spare'] + available_spare_threshold int @[json: 'available-spare-threshold'] + percentage_used int @[json: 'percentage-used'] + data_units_read_lo int @[json: 'data-units-read-lo'] + data_units_read_hi int @[json: 'data-units-read-hi'] + data_units_written_lo int @[json: 'data-units-written-lo'] + data_units_written_hi int @[json: 'data-units-written-hi'] + host_read_commands_lo int @[json: 'host-read-commands-lo'] + host_read_commands_hi int @[json: 'host-read-commands-hi'] + host_write_commands_lo int @[json: 'host-write-commands-lo'] + host_write_commands_hi int @[json: 'host-write-commands-hi'] + controller_busy_time_lo int @[json: 'controller-busy-time-lo'] + controller_busy_time_hi int @[json: 'controller-busy-time-hi'] + power_cycles_lo int @[json: 'power-cycles-lo'] + power_cycles_hi int @[json: 'power-cycles-hi'] + power_on_hours_lo int @[json: 'power-on-hours-lo'] + power_on_hours_hi int @[json: 'power-on-hours-hi'] + unsafe_shutdowns_lo int @[json: 'unsafe-shutdowns-lo'] + unsafe_shutdowns_hi int @[json: 'unsafe-shutdowns-hi'] + media_errors_lo int @[json: 'media-errors-lo'] + media_errors_hi int @[json: 'media-errors-hi'] + number_of_error_log_entries_lo int @[json: 'number-of-error-log-entries-lo'] + number_of_error_log_entries_hi int @[json: 'number-of-error-log-entries-hi'] +} + +// get_disks executes [guest-get-disks](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-get-disks) command. +pub fn (mut c Client) get_disks() ![]GuestDiskInfo { + return c.execute[Empty, []GuestDiskInfo]('guest-get-disks', none)!.return +} + +pub struct GuestDiskStatsInfo { +pub: + name string + major int + minor int + stats GuestDiskStats +} + +pub struct GuestDiskStats { + read_sectors ?int @[json: 'read-sectors'] + read_ios ?int @[json: 'read-ios'] + read_merges ?int @[json: 'read-merges'] + write_sectors ?int @[json: 'write-sectors'] + write_ios ?int @[json: 'write-ios'] + write_merges ?int @[json: 'write-merges'] + discard_sectors ?int @[json: 'discard-sectors'] + discard_ios ?int @[json: 'discard-ios'] + discard_merges ?int @[json: 'discard-merges'] + flush_ios ?int @[json: 'flush-ios'] + read_ticks ?int @[json: 'read-ticks'] + write_ticks ?int @[json: 'write-ticks'] + discard_ticks ?int @[json: 'discard-ticks'] + flush_ticks ?int @[json: 'flush-ticks'] + ios_pgr ?int @[json: 'ios-pgr'] + total_ticks ?int @[json: 'total-ticks'] + weight_ticks ?int @[json: 'weight-ticks'] +} + +// get_diskstats executes [guest-get-diskstats](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-get-diskstats) command. +pub fn (mut c Client) get_diskstats() ![]GuestDiskStatsInfo { + return c.execute[Empty, []GuestDiskStatsInfo]('guest-get-diskstats', none)!.return +} + +pub struct GuestFilesystemInfo { +pub: + name string + mountpoint string + type string + used_bytes ?u64 @[json: 'used-bytes'] + total_bytes ?u64 @[json: 'total-bytes'] + total_bytes_privileged ?u64 @[json: 'total-bytes-privileged'] + disk []GuestDiskAddress +} + +// get_fsinfo executes [guest-get-fsinfo](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-get-fsinfo) command. +pub fn (mut c Client) get_fsinfo() ![]GuestFilesystemInfo { + return c.execute[Empty, []GuestFilesystemInfo]('guest-get-fsinfo', none)!.return +} + +struct GuestHostName { + host_name string @[json: 'host-name'] +} + +// get_host_name executes [guest-get-host-name](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-get-host-name) command. +pub fn (mut c Client) get_host_name() !string { + return c.execute[Empty, GuestHostName]('guest-get-host-name', none)!.return.host_name +} + +pub struct GuestLoadAverage { + load1m f64 + load5m f64 + load15m f64 +} + +// get_load executes [guest-get-load](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-get-load) command. +pub fn (mut c Client) get_load() !GuestLoadAverage { + return c.execute[Empty, GuestLoadAverage]('guest-get-load', none)!.return +} + +pub struct GuestMemoryBlockInfo { + size int +} + +// get_memory_block_info executes [guest-get-memory-block-info](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-get-memory-block-info) command. +pub fn (mut c Client) get_memory_block_info() !GuestMemoryBlockInfo { + return c.execute[Empty, GuestMemoryBlockInfo]('guest-get-memory-block-info', none)!.return +} + +pub struct GuestMemoryBlock { +pub: + phys_index int @[json: 'phys-index'] + online bool + can_offline ?bool @[json: 'can-offline'] +} + +// get_memory_blocks executes [guest-get-memory-blocks](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-get-memory-blocks) command. +pub fn (mut c Client) get_memory_blocks() ![]GuestMemoryBlock { + return c.execute[Empty, []GuestMemoryBlock]('guest-get-memory-blocks', none)!.return +} + +pub struct GuestOSInfo { +pub: + kernel_release ?string @[json: 'kernel-release'] + kernel_version ?string @[json: 'kernel-version'] + machine ?string + id ?string + name ?string + pretty_name ?string @[json: 'pretty-name'] + version ?string + version_id ?string @[json: 'version-id'] + variant ?string + variant_id ?string @[json: 'variant-id'] +} + +// get_osinfo executes [guest-get-osinfo](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-get-osinfo) command. +pub fn (mut c Client) get_osinfo() !GuestOSInfo { + return c.execute[Empty, GuestOSInfo]('guest-get-osinfo', none)!.return +} + +// get_time executes [guest-get-time](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-get-time) command. +pub fn (mut c Client) get_time() !i64 { + return c.execute[Empty, i64]('guest-get-time', none)!.return +} + +pub struct GuestTimezone { + zone ?string + offset int +} + +// get_timezone executes [guest-get-timezone](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-get-timezone) command. +pub fn (mut c Client) get_timezone() !GuestTimezone { + return c.execute[Empty, GuestTimezone]('guest-get-timezone', none)!.return +} + +pub struct GuestUser { +pub: + user string + domain string + login_time f64 @[json: 'login-time'] +} + +// get_users executes [guest-get-users](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-get-users) command. +pub fn (mut c Client) get_users() ![]GuestUser { + return c.execute[Empty, []GuestUser]('guest-get-users', none)!.return +} + +pub struct GuestLogicalProcessor { +pub: + logical_id int @[json: 'logical-id'] + online bool + can_offline ?bool @[json: 'can-offline'] +} + +// get_vcpus executes [guest-get-vcpus](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-get-vcpus) command. +pub fn (mut c Client) get_vcpus() ![]GuestLogicalProcessor { + return c.execute[Empty, []GuestLogicalProcessor]('guest-get-vcpus', none)!.return +} + +pub struct GuestAgentInfo { +pub: + version string + supported_commands []GuestAgentCommandInfo +} + +pub struct GuestAgentCommandInfo { +pub: + name string + enbled bool + success_response bool @[json: 'success-response'] +} + +// info executes [guest-info](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-info) command. +pub fn (mut c Client) info() !GuestAgentInfo { + return c.execute[Empty, GuestAgentInfo]('guest-info', none)!.return +} + +pub struct GuestNetworkInterface { +pub: + name string + hardware_address ?string @[json: 'hardware-address'] + ip_addresses ?[]GuestIpAddress @[json: 'ip-addresses'] + statistics ?GuestNetworkInterfaceStat +} + +pub struct GuestIpAddress { +pub: + ip_address string @[json: 'ip-address'] + ip_address_type GuestIpAddressType @[json: 'ip-address-type'] + prefix int +} + +pub enum GuestIpAddressType { + ipv4 + ipv6 +} + +pub struct GuestNetworkInterfaceStat { +pub: + rx_bytes int @[json: 'rx-bytes'] + rx_packets int @[json: 'rx-packets'] + rx_errs int @[json: 'rx-errs'] + rx_dropped int @[json: 'rx-dropped'] + tx_bytes int @[json: 'tx-bytes'] + tx_packets int @[json: 'tx-packets'] + tx_errs int @[json: 'tx-errs'] + tx_dropped int @[json: 'tx-dropped'] +} + +// network_get_interfaces executes [guest-network-get-interfaces](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-network-get-interfaces) command. +pub fn (mut c Client) network_get_interfaces() ![]GuestNetworkInterface { + return c.execute[Empty, []GuestNetworkInterface]('guest-network-get-interfaces', none)!.return +} + +pub struct GuestNetworkRoute { +pub: + iface string + destination string + metric int + gateway ?string + mask ?string + irtt ?int + flags ?int + refcnt ?int + use ?int + window ?int + mtu ?int + desprefixlen ?string + source ?string + srcprefixlen ?string + nexthop ?string + version int +} + +// network_get_route executes [guest-network-get-route](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-network-get-route) command. +pub fn (mut c Client) network_get_route() ![]GuestNetworkRoute { + return c.execute[Empty, []GuestNetworkRoute]('guest-network-get-route', none)!.return +} + +// ping executes [guest-ping](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-ping) command, a non-error return implies success. +pub fn (mut c Client) ping() ! { + c.execute[Empty, Empty]('guest-ping', none)! +} + +struct GuestSetMemoryBlocksRequest { + mem_blks []GuestMemoryBlock @[json: 'mem-blks'] +} + +pub struct GuestMemoryBlockResponse { +pub: + phys_index int @[json: 'phys-index'] + response GuestMemoryBlockResponseType + error_code ?int @[json: 'error-code'] +} + +pub enum GuestMemoryBlockResponseType { + success + not_found @[json: 'not-found'] + operation_not_supported @[json: 'operation-not-supported'] + operation_failed @[json: 'operation-failed'] +} + +// set_memory_blocks executes [guest-set-memory-blocks](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-set-memory-blocks) command. +pub fn (mut c Client) set_memory_blocks(blocks []GuestMemoryBlock) ![]GuestMemoryBlockResponse { + req := GuestSetMemoryBlocksRequest{blocks} + return c.execute[GuestSetMemoryBlocksRequest, []GuestMemoryBlockResponse]('guest-set-memory-blocks', + req)!.return +} + +struct GuestSetTimeRequest { + time i64 +} + +// set_time executes [guest-set-time](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-set-time) command. +pub fn (mut c Client) set_time(epoch i64) ! { + req := GuestSetTimeRequest{epoch} + c.execute[GuestSetTimeRequest, Empty]('guest-set-time', req)! +} + +struct GuestSetUserPasswordRequest { + username string + password string + crypted bool +} + +// set_user_password executes [guest-set-user-password](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-set-user-password) command. +pub fn (mut c Client) set_user_password(username string, password string, crypted bool) ! { + req := GuestSetUserPasswordRequest{username, password, crypted} + c.execute[GuestSetUserPasswordRequest, Empty]('guest-set-user-password', req)! +} + +struct GuestSetVcpusRequest { + vcpus []GuestLogicalProcessor +} + +// set_vcpus executes [guest-set-vcpus](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-set-vcpus) command. +pub fn (mut c Client) set_vcpus(vcpus []GuestLogicalProcessor) !int { + req := GuestSetVcpusRequest{vcpus} + return c.execute[GuestSetVcpusRequest, int]('guest-set-vcpus', req)!.return +} + +pub enum GuestShutdownMode { + halt + powerdown + reboot +} + +struct GuestShutdownRequest { + mode GuestShutdownMode +} + +// shutdown executes [guest-shutdown](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-shutdown) command. +pub fn (mut c Client) shutdown(mode GuestShutdownMode) ! { + req := GuestShutdownRequest{mode} + c.execute[GuestShutdownRequest, Empty]('guest-shutdown', req, no_return: true)! +} + +struct GuestSSHAddAuthorizedKeysRequest { + username string + keys []string + reset ?bool +} + +// ssh_add_authorized_keys executes [guest-ssh-add-authorized-keys](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-ssh-add-authorized-keys) command. +pub fn (mut c Client) ssh_add_authorized_keys(username string, keys []string, reset bool) ! { + req := GuestSSHAddAuthorizedKeysRequest{username, keys, reset} + c.execute[GuestSSHAddAuthorizedKeysRequest, Empty]('guest-ssh-add-authorized-keys', + req)! +} + +struct GuestAuthorizedKeys { + keys []string +} + +// ssh_get_authorized_keys executes [guest-ssh-get-authorized-keys](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-ssh-get-authorized-keys) command. +pub fn (mut c Client) ssh_get_authorized_keys() ![]string { + return c.execute[Empty, GuestAuthorizedKeys]('guest-ssh-get-authorized-keys', none)!.return.keys +} + +// ssh_remove_authorized_keys executes [guest-ssh-remove-authorized-keys](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-ssh-remove-authorized-keys) command. +pub fn (mut c Client) ssh_remove_authorized_keys(username string, keys []string) ! { + req := GuestSSHAddAuthorizedKeysRequest{ + username: username + keys: keys + } + c.execute[GuestSSHAddAuthorizedKeysRequest, Empty]('guest-ssh-remove-authorized-keys', + req)! +} + +// suspend_disk executes [guest-suspend-disk](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-suspend-disk) command. +pub fn (mut c Client) suspend_disk() ! { + c.execute[Empty, Empty]('guest-suspend-disk', none, no_return: true)! +} + +// suspend_hybrid executes [guest-suspend-hybrid](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-suspend-hybrid) command. +pub fn (mut c Client) suspend_hybrid() ! { + c.execute[Empty, Empty]('guest-suspend-hybrid', none, no_return: true)! +} + +// suspend_ram executes [guest-suspend-ram](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-suspend-ram) command. +pub fn (mut c Client) suspend_ram() ! { + c.execute[Empty, Empty]('guest-suspend-ram', none, no_return: true)! +} + +struct GuestSyncRequest { + id u64 +} + +// sync executes the [guest-sync](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-sync) command. +pub fn (mut c Client) sync(id u64) !u64 { + req := GuestSyncRequest{id} + res := c.execute[GuestSyncRequest, u64]('guest-sync', req)! + return res.return +} + +// sync_delimited executes [guest-sync-delimited](https://qemu-project.gitlab.io/qemu/interop/qemu-ga-ref.html#command-QGA-qapi-schema.guest-sync-delimited) command. +pub fn (mut c Client) sync_delimited(id u64) !u64 { + req := GuestSyncRequest{id} + res := c.execute[GuestSyncRequest, u64]('guest-sync-delimited', req)! + return res.return +} diff --git a/error.v b/error.v new file mode 100644 index 0000000..d0befb0 --- /dev/null +++ b/error.v @@ -0,0 +1,49 @@ +// This file is part of qga. +// +// qga is free software: you can redistribute it and/or modify it under +// the terms of the GNU Lesser General Public License as published by the +// Free Software Foundation, either version 3 of the License, or (at your +// option) any later version. +// +// qga 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 Lesser General Public +// License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with qga. If not, see . + +module qga + +// Connection to socket failed. +pub const err_no_connect = 1000 + +// Cannot read data from socket. +pub const err_cannot_read = 1001 + +// Cannot write to socket. +pub const err_cannot_write = 1002 + +// Read or write timeout reached. This may cause if guest agent daemon is shut off in guest. +pub const err_timed_out = 1003 + +// Guest agent returned an error. See details in `class` and `desc` fields of `GuestAgentError`. +pub const err_from_agent = 1004 + +pub struct GuestAgentError { +pub: + msg string // human-readable error message + code int // error code (see err_* constants in this module) + class string // error class provided by QEMU Guest Agent Protocol + desc string // error desc provided by QEMU Guest Agent Protocol + is_unreachable bool // true if the error means the guest agent could not be reached + err ?IError // the underlying error if available +} + +pub fn (e GuestAgentError) msg() string { + return if e.is_unreachable { e.msg } else { '${e.msg}: class=${e.class} desc=${e.desc}' } +} + +pub fn (e GuestAgentError) code() int { + return e.code +} diff --git a/v.mod b/v.mod new file mode 100644 index 0000000..6c092aa --- /dev/null +++ b/v.mod @@ -0,0 +1,7 @@ +Module { + name: 'qga' + description: 'QEMU Guest Agent Protocol client' + version: '0.1.0' + license: 'LGPL-3.0-or-later' + dependencies: [] +}