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libkysdk-system
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新增需求21847 新增获取显示系统版本类别接口

This commit is contained in:
shaozhimin 2023-04-24 16:30:27 +08:00
parent 7e333d1b43
commit 6a90789e96
14 changed files with 40 additions and 1050 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
debian/changelog vendored
View File

@ -1,3 +1,11 @@
libkysdk-system (2.1.1.0-0k0.0) v101; urgency=medium
*Bug号：
*需求号：21847 新增获取显示系统版本类别接口
*其他修改：
-- szm-min <shaozhimin@kylinos.cn> Thu, 20 Apr 2023 17:39:35 +0800
libkysdk-system (2.0.0.0-ok7) yangtze; urgency=medium
*Bug号：

10
debian/control vendored
View File

@ -410,13 +410,3 @@ Depends: ${shlibs:Depends},
Multi-Arch: same
Description: 日志转储服务
Package: libkysdk-processmanage
Architecture: any
Depends: ${misc:Depends},
${shlibs:Depends},
libdbus-1-3,
libkysdk-log,
libkysdk-config,
libkysdk-utils
Description: 进程管理

4
debian/libkysdk-processmanage.install vendored
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@ -1,4 +0,0 @@
development-files/kysdk-processmanage.pc usr/share/pkgconfig/
src/processmanage/processStateManage.service lib/systemd/system
src/processmanage/com.kylin.processStateManage.conf etc/dbus-1/system.d
bin/processStateManage usr/bin/

4
development-files/kysdk-processmanage.pc
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@ -1,4 +0,0 @@
Name: process-state-manage
Description: manage process oom_score_adj and oom_score_adj_child
Requires: kysdk-log kysdk-config libsystemd dbus-1 dbus-glib-1
Version: 2.0.0

2
src/CMakeLists.txt
View File

@ -21,4 +21,4 @@ add_subdirectory(realtime)
add_subdirectory(kysdkdbus)
add_subdirectory(libkysdk-system-javascript-http)
add_subdirectory(libkysdk-system-javascript-websocket)
add_subdirectory(processmanage)
# add_subdirectory(processmanage)

54
src/processmanage/CMakeLists.txt
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@ -1,54 +0,0 @@
project(processStateManage)
# set(CMAKE_INSTALL_PREFIX "/usr")
# set(BUILD_BINDIR "${CMAKE_INSTALL_PREFIX}/bin") #用过参数指定安装路径
# set(SYSCONFDIR "/etc" CACHE STRING "system config dir")
# set(SYSTEMD_SYSTEM_UNIT_DIR "/lib/systemd/system" CACHE STRING "system config dir")
find_package(PkgConfig)
pkg_check_modules (GLIB2 REQUIRED glib-2.0)
pkg_check_modules (DBUS1 REQUIRED dbus-1)
pkg_check_modules (KYLOG kysdk-log)
pkg_check_modules (KYCOF kysdk-config)
pkg_check_modules (KYBASE kysdk-base)
pkg_check_modules (DBUSGLIB1 REQUIRED dbus-glib-1)
link_directories( ${GLIB2_LIBRARY_DIRS}
${DBUS1_LIBRARY_DIRS}
${DBUSGLIB1_LIBRARY_DIRS}
${KYBASE_INCLUDE_DIRS}
${KYCONFIG_INCLUDE_DIRS}
${KYLOG_INCLUDE_DIRS}
)
cmake_minimum_required(VERSION 3.16)
set(processStateManage-src main.c)
add_executable(processStateManage ${processStateManage-src})
target_link_libraries( processStateManage ${GLIB2_LIBRARIES}
${GIO2_LIBRARIES}
${DBUS1_LIBRARIES}
${DBUSGLIB1_LIBRARIES}
${KYBASE_LIBRARIES}
${KYCONFIG_LIBRARIES}
${KYLOG_LIBRARIES}
)
target_link_directories(processStateManage PRIVATE ${KYLOG_LIBRARY_DIRS})
install(TARGETS processStateManage DESTINATION bin)
INCLUDE_DIRECTORIES(${CMAKE_BINARY_DIR}
${DBUS1_INCLUDE_DIRS}
${GLIB2_INCLUDE_DIRS}
/usr/include/gtk-3.0/
/usr/include/pango-1.0/
/usr/include/harfbuzz/
/usr/include/cairo/
/usr/include/gdk-pixbuf-2.0/
/usr/include/atk-1.0/)

41
src/processmanage/com.kylin.processStateManage.conf
View File

@ -1,41 +0,0 @@
<?xml version="1.0"?> <!--*-nxml-*-->
<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<!--
This file is part of MiracleCast.
-->
<busconfig>
<policy user="root">
<allow own="com.kylin.processStateManage"/>
<allow send_destination="com.kylin.processStateManage"
send_interface="com.kylin.processStateManage"/>
<allow send_destination="com.kylin.processStateManage"
send_interface="com.kylin.processStateManage"
send_member="SetOomScore"/>
<allow send_destination="com.kylin.processStateManage"
send_interface="com.kylin.processStateManage"
send_member="SetOomScoreChild"/>
<allow send_destination="com.kylin.processStateManage"/>
</policy>
<policy context="default">
<allow send_destination="com.kylin.processStateManage"/>
<allow send_destination="com.kylin.processStateManage"
send_interface="com.kylin.processStateManage"/>
<allow send_destination="com.kylin.processStateManage"
send_interface="com.kylin.processStateManage"
send_member="SetOomScore"/>
<allow send_destination="com.kylin.processStateManage"
send_interface="com.kylin.processStateManage"
send_member="SetOomScoreChild"/>
</policy>
</busconfig>

861
src/processmanage/main.c
View File

@ -1,861 +0,0 @@
#include <fcntl.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/prctl.h>
// #include <systemd/sd-journal.h>
#include <dbus/dbus-glib-lowlevel.h> /* for glib main loop */
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <stdbool.h>
#include <kysdk/kysdk-base/cstring-extension.h>
#include <kysdk/kysdk-base/libkyconf.h>
#include <kysdk/kysdk-base/libkylog.h>
// #include <systemd/sd-journal.h>
#define CONF_PATH "/etc/kysdk/kysdk-system/"
// #define CONF_PATH "/home/wgs/code/dbus/"
#define CONF_FILE CONF_PATH"processStateSetAcl.conf"
#define LINEMAX 1024
enum oom_score_adj{
NOTALLOW = 1,
FIXEVALUEL,
FREECONFIG,
};
enum oom_score_adj_child{
NOTALLOW_CHILD = 1,
FIXEVALUEL_CHILD,
FREECONFIG_CHILD,
};
const char *version = "1.0";
int confId = 0;
const char *server_introspection_xml =
DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
"<node>\n"
" <interface name='com.kylin.processStateManage.Introspectable'>\n"
" <method name='Introspect'>\n"
" <arg name='data' type='s' direction='out' />\n"
" </method>\n"
" </interface>\n"
" <interface name='com.kylin.processStateManage.Properties'>\n"
" <method name='Get'>\n"
" <arg name='interface' type='s' direction='in' />\n"
" <arg name='property' type='s' direction='in' />\n"
" <arg name='value' type='s' direction='out' />\n"
" </method>\n"
" <method name='GetAll'>\n"
" <arg name='interface' type='s' direction='in'/>\n"
" <arg name='properties' type='a{sv}' direction='out'/>\n"
" </method>\n"
" </interface>\n"
" <interface name='com.kylin.processStateManage'>\n"
" <property name='Version' type='s' access='read' />\n"
" <method name='SetOomScore'>\n"
" <arg name='oom_score' type='i' direction='in' />\n"
" <arg name='result' type='i' direction='out' />\n"
" </method>\n"
" <method name='SetOomScoreChild'>\n"
" <arg name='oom_score' type='i' direction='in' />\n"
" <arg name='result' type='i' direction='out' />\n"
" </method>\n"
" <signal name='SignalOnline'>\n"
" <arg name='name' type='s' direction='out' />\n"
" </signal>\n"
" </interface>\n"
"</node>\n";
static int config_file_compare_auth(int id, const char *auth, char *buf)
{
char **keylist;
char *tmpkey;
int k_index = 0;
keylist = kdk_conf_list_key(id, auth);
if (*keylist == NULL){
return 1;
}
ASSERT_NOT_NULL(keylist, -1);
while ((tmpkey = keylist[k_index]))
{
const char *tmpval = kdk_conf_get_value(id, auth, tmpkey);
if(tmpval != NULL && buf && strlen(buf) != 0)
{
if (!strcmp(tmpval, buf))
{
return 0;
}
else
{
k_index++;
continue;
}
}
}
return -1;
}
static int config_file_compare_group(char** const grouplist, int id, const char *group, char *buf)
{
int index = 0;
int r = -1;
int key = -1;
const char *tmpgroup;
while ((tmpgroup = grouplist[index]))
{
if (!strcmp(tmpgroup, group))
{
r = config_file_compare_auth(id, group, buf);
key = 0;
if (r)
{
return r;
}
}
index++;
}
if (key < 0)
{
return -1;
}
return 0;
}
static int process_acl_check(const char *configpath, char *buf)
{
int id = 0;
int r = -1;
const char *whitelist = "whitelist";
id = kdk_conf_init(configpath);
if (id <= 0)
return -1;
char** const grouplist = kdk_conf_list_group(id);
ASSERT_NOT_NULL(grouplist, -1);
r = config_file_compare_group(grouplist, id, whitelist, buf);
if(r < 0)
{
goto exit;
}
exit:
kdk_conf_destroy(id);
return r;
}
/**
* @brief 通过进程名字查看是该进程是否在配置文件中
*
* @param configpath 配置文件的路径
* @param processName 需要查找的进程名
* @return int 若在配置文件中，返回0；若不再配置文件中，返回-1
*/
static int process_name_check(const char*configpath,const char* processName)
{
int id = 0;
int index = 0;
const char *nameKey = "name";
char* tmpgroup;
confId = kdk_conf_init(configpath);
if (confId <= 0)
return -1;
char** const grouplist = kdk_conf_list_group(confId);
ASSERT_NOT_NULL(grouplist, -1);
while ((tmpgroup = grouplist[index]))
{
// fprintf(stderr,"%s,%d\n",tmpgroup,index);
if (!strcmp(tmpgroup, processName))
{
const char *tmpval = kdk_conf_get_value(confId, tmpgroup, nameKey);
// fprintf(stderr,"tmpgroup = %s,processName = %s,tmpval = %s\n",tmpgroup,processName,tmpval);
if (!strcmp(tmpval, processName))
{
return 0;
}
}
index++;
}
return -1;
exit:
kdk_conf_destroy(confId);
}
/**
* @brief 通过进程名和key值查找key对应的value
*
* @param configpath 配置文件的路径
* @param processName 需要查找的进程名
* @param key 需要查找key
* @param out 要查找的key对应的value
* @return int 若查找到对应的value，返回0；否则，返回-1
*/
static int get_value_by_key_process(const char*configpath, const char *processName,const char* key,char* out)
{
int ret = -1;
const char *tmpval = NULL;
ret = process_name_check(configpath,processName);
if(ret == -1)
return ret;
tmpval = kdk_conf_get_value(confId, processName, key);
if(tmpval)
{
strcpy(out,tmpval);
return 0;
}
return -1;
}
//查找调用信号者的进程pid
static int get_dbus_sender_pid(DBusConnection *conn, DBusMessage *m, pid_t* pit_out)
{
bool bRet = 0;
int iRet = 0;
int r = 0;
DBusPendingCall *pending_call = NULL;
DBusError err;
DBusMessage *reply = NULL;
DBusMessage *message = NULL;
const char * sender = dbus_message_get_sender(m);
if(sender)
{
message = dbus_message_new_method_call(
"org.freedesktop.DBus",
"/org/freedesktop/DBus",
"org.freedesktop.DBus",
"GetConnectionUnixProcessID");
if(message)
{
DBusMessageIter iter;
dbus_error_init(&err);
dbus_message_iter_init_append(message, &iter);
bRet = dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &sender);
if(!bRet){
iRet = -1;
};
bRet = dbus_connection_send_with_reply(conn, message, &pending_call, 3000);
if(!bRet){
iRet = -1;
};
if(!pending_call)
goto exit;
dbus_pending_call_block(pending_call);
reply = dbus_pending_call_steal_reply(pending_call);
if(!reply)
goto exit;
dbus_message_get_args(reply, &err, DBUS_TYPE_UINT32, pit_out, DBUS_TYPE_INVALID);
exit:
if(pending_call)
dbus_pending_call_unref(pending_call);
if(reply)
dbus_message_unref(reply);
if(dbus_error_is_set(&err))
dbus_error_free(&err);
dbus_message_unref(message);
return iRet;
}
return -1;
}
return -1;
}
static int get_client_by_proc_exe(const char *exe_path, char buf[])
{
int result = readlink(exe_path, buf, LINEMAX - 1);
if (result < 0 || (result >= LINEMAX - 1))
{
return -1;
}
buf[result] = '\0';
return 0;
}
static int get_client_by_proc_cmdline( const char *cmdline, char buf[])
{
FILE *fp = NULL;
if (access(cmdline, F_OK))
{
return -1;
}
//---------读取cmdline
if ((fp = fopen(cmdline, "rb")) == NULL)
{
return -1;
}
fscanf(fp, "%s", buf);
fclose(fp);
return 0;
}
//通过进程pid查找进程名
static int get_name_by_pid(int pid, char buf[], char **spos)
{
int result = 0;
char cmdline[LINEMAX] = "";
char exe_path[LINEMAX] = "";
char *new_spos;
char tmp1[512];
FILE *fp = NULL;
sprintf(exe_path, "/%s/%d/%s", "proc", pid, "exe");
sprintf(cmdline, "/%s/%d/%s", "proc", pid, "cmdline");
if (access(exe_path, F_OK))
{
result = get_client_by_proc_cmdline(cmdline, buf);
}
else
{
result = get_client_by_proc_exe(exe_path, buf);
}
if(result)
return -1;
//如果在cmdline中读取到的是以python开头，则选取后续字符为进程。
if (!strstartswith(buf, "/usr/bin/python"))
{
if ((fp = fopen(cmdline, "rb")) == NULL)
{
return -1;
}
fscanf(fp, "%s", tmp1);
fclose(fp);
new_spos = tmp1;
new_spos += strlen(tmp1);
while (*new_spos == '\0' || *new_spos == '.')
{
new_spos++;
}
// if (strstartswith(new_spos, "/usr") && *new_spos == '/'){
// new_spos++;
// }
*spos = strdup(new_spos);
}
else{
}
return 0;
}
//查找信号调用者的进程名
static int get_dbus_sender_name(DBusConnection *conn, DBusMessage *m,char buf[], char **spos,int*p)
{
int ret = -1;
pid_t pid;
ret = get_dbus_sender_pid(conn,m,&pid);
if(ret == -1 )
{
return ret;
}
if(pid <= 0)
return -1;
fprintf(stderr,"current pid = %d\n",pid);
*p = pid;
fprintf(stderr,"current pid = %d\n",pid);
ret = get_name_by_pid(pid, buf, spos);
if(ret == -1 )
{
return ret;
}
return 0;
}
//根据进程的pid写入文件/proc/{pid}/oom_score_adj
static int write_to_oom_score_adj(int pid,int om )
{
char oomScoreAdj[LINEMAX] = "";
int res = -1;
FILE *fp = NULL;
sprintf(oomScoreAdj, "/%s/%d/%s", "proc", pid, "oom_score_adj");
if (access(oomScoreAdj, F_OK))
{
return -1;
}
if ((fp = fopen(oomScoreAdj, "wb")) == NULL)
{
return -1;
}
res = fprintf(fp,"%d",om);
if(res > 0)
{
fclose(fp);
return 0;
}
fclose(fp);
return -1;
}
//根据进程pid写入文件/proc/{pid}/oom_score_adj_child
static int write_to_oom_score_adj_child(int pid,int om )
{
char oomScoreAdj[LINEMAX] = "";
int res = -1;
FILE *fp = NULL;
sprintf(oomScoreAdj, "/%s/%d/%s", "proc", pid, "oom_score_adj_child");
if (access(oomScoreAdj, F_OK))
{
return -1;
}
if ((fp = fopen(oomScoreAdj, "wb")) == NULL)
{
return -1;
}
res = fprintf(fp,"%d",om);
if(res > 0)
{
fclose(fp);
return 0;
}
fclose(fp);
return -1;
}
//根据进程pid写入文件/proc/{pid}/oom_score_adj_child_enable
static int write_to_oom_score_adj_child_enable(int pid,int om )
{
char oomScoreAdj[LINEMAX] = "";
int res = -1;
FILE *fp = NULL;
sprintf(oomScoreAdj, "/%s/%d/%s", "proc", pid, "oom_score_adj_child_enable");
if (access(oomScoreAdj, F_OK))
{
return -1;
}
if ((fp = fopen(oomScoreAdj, "wb")) == NULL)
{
return -1;
}
res = fprintf(fp,"%d",om);
if(res > 0)
{
fclose(fp);
return 0;
}
fclose(fp);
return -1;
}
DBusHandlerResult server_get_all_properties_handler(DBusConnection *conn, DBusMessage *reply)
{
DBusHandlerResult result;
DBusMessageIter array, dict, iter, variant;
const char *property = "Version";
/*
* All dbus functions used below might error due to out of
* memory error. If one of them fails, we assume that all
* following functions will error too, including
* dbus_connection_send().
*/
result = DBUS_HANDLER_RESULT_NEED_MEMORY;
dbus_message_iter_init_append(reply, &iter);
dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "{sv}", &array);
/* Append all properties name/value pairs */
property = "Version";
dbus_message_iter_open_container(&array, DBUS_TYPE_DICT_ENTRY, NULL, &dict);
dbus_message_iter_append_basic(&dict, DBUS_TYPE_STRING, &property);
dbus_message_iter_open_container(&dict, DBUS_TYPE_VARIANT, "s", &variant);
dbus_message_iter_append_basic(&variant, DBUS_TYPE_STRING, &version);
dbus_message_iter_close_container(&dict, &variant);
dbus_message_iter_close_container(&array, &dict);
dbus_message_iter_close_container(&iter, &array);
if (dbus_connection_send(conn, reply, NULL))
result = DBUS_HANDLER_RESULT_HANDLED;
return result;
}
DBusHandlerResult dbus_message_handler(DBusConnection *conn, DBusMessage *message, void *data)
{
DBusHandlerResult result;
DBusMessage *reply = NULL;
DBusError err;
int repValue = -1,ret = -1;
int oom_score,oom_score_child;
int pid = 0;
char processName[LINEMAX];
char* scriptProcessName = NULL;
char tmpValue[128];
klog_debug("Got D-Bus request: %s.%s on %s\n",
dbus_message_get_interface(message),
dbus_message_get_member(message),
dbus_message_get_path(message));
/*
* Does not allocate any memory; the error only needs to be
* freed if it is set at some point.
*/
dbus_error_init(&err);
if (dbus_message_is_method_call(message, DBUS_INTERFACE_INTROSPECTABLE, "Introspect")) {
if (!(reply = dbus_message_new_method_return(message)))
goto exit;
dbus_message_append_args(reply,
DBUS_TYPE_STRING, &server_introspection_xml,
DBUS_TYPE_INVALID);
} else if (dbus_message_is_method_call(message, DBUS_INTERFACE_PROPERTIES, "Get")) {
const char *interface, *property;
if (!dbus_message_get_args(message, &err,
DBUS_TYPE_STRING, &interface,
DBUS_TYPE_STRING, &property,
DBUS_TYPE_INVALID))
goto exit;
if (!(reply = dbus_message_new_method_return(message)))
goto exit;
// result = server_get_properties_handler(property, conn, reply);
// dbus_message_unref(reply);
return result;
}else if (dbus_message_is_method_call(message, DBUS_INTERFACE_PROPERTIES, "GetAll")) {
if (!(reply = dbus_message_new_method_return(message)))
goto exit;
result = server_get_all_properties_handler(conn, reply);
dbus_message_unref(reply);
return result;
}else if (dbus_message_is_method_call(message, "com.kylin.processStateManage", "SetOomScore")) {
if (!(reply = dbus_message_new_method_return(message)))
goto exit;
if (!dbus_message_get_args(message, &err,
DBUS_TYPE_INT32, &oom_score,
DBUS_TYPE_INVALID))
goto exit;
ret = get_dbus_sender_name(conn, message, processName, &scriptProcessName, &pid);
if(ret == 0)
{
if(scriptProcessName)
strcpy(processName,scriptProcessName);
if(processName)
{
unsigned int state;
// fprintf(stderr,"proces name = %s\n",processName);
ret = get_value_by_key_process(CONF_FILE,processName,"allow",tmpValue);
if(ret == 0)
{
state = atoi(tmpValue);
if(state == NOTALLOW) //不允许更改，则直接返回 -1
{
// fprintf(stderr,"allow = %d\n",state);
repValue = -1;
}else if(state == FIXEVALUEL) //允许设置成固定值，则将配置文件的oom_score直接写入文件中
{
// fprintf(stderr,"allow = %d\n",state);
int file_oom;
ret = get_value_by_key_process(CONF_FILE,processName,"oom_score",tmpValue);
if(ret == 0)
{
file_oom = atoi(tmpValue);
ret = write_to_oom_score_adj(pid,file_oom);
if(ret == 0)
{
repValue = 0;
// fprintf(stderr,"allow = %d,om = %d\n",state,file_oom);
}
}
}else if(state == FREECONFIG) //可以配置，需要将设置进来OM中大于等于文件中的OM值
{
// fprintf(stderr,"allow = %d\n",state);
int file_oom;
ret = get_value_by_key_process(CONF_FILE,processName,"oom_score",tmpValue);
if(ret == 0)
{
file_oom = atoi(tmpValue);
if(file_oom <= oom_score)
{
// fprintf(stderr,"file_oom = %d,oom_score = %d\n",file_oom,oom_score);
ret = write_to_oom_score_adj(pid,oom_score);
if(ret == 0)
{
repValue = 0;
}
}else{
repValue = -1;
}
}
}
}
}
}
dbus_message_append_args(reply,
DBUS_TYPE_INT32, &repValue,
DBUS_TYPE_INVALID);
if(scriptProcessName) {
free(scriptProcessName);
scriptProcessName = NULL;
}
}else if (dbus_message_is_method_call(message, "com.kylin.processStateManage", "SetOomScoreChild")){
if (!(reply = dbus_message_new_method_return(message)))
goto exit;
if (!dbus_message_get_args(message, &err,
DBUS_TYPE_INT32, &oom_score_child,
DBUS_TYPE_INVALID))
goto exit;
ret = get_dbus_sender_name(conn, message, processName, &scriptProcessName, &pid);
if(ret == 0)
{
if(scriptProcessName)
strcpy(processName,scriptProcessName);
if(processName)
{
unsigned int state;
// fprintf(stderr,"proces name = %s\n",processName);
ret = get_value_by_key_process(CONF_FILE,processName,"allow_inheritance",tmpValue);
if(ret == 0)
{
state = atoi(tmpValue);
if(state == NOTALLOW_CHILD) //不可以设置是否关闭继承 child_enalbe 0
{
ret = write_to_oom_score_adj_child_enable(pid, 0);
if(ret == 0)
{
}
// fprintf(stderr,"allow = %d\n",state);
repValue = -1;
}else if(state == FIXEVALUEL_CHILD) //可以设置关闭继承，则将配置文件的oom_score直接写入文件中 child_enalbe 1
{
// fprintf(stderr,"allow = %d\n",state);
ret = write_to_oom_score_adj_child_enable(pid, 1);
if(ret == 0)
{
int file_oom;
ret = get_value_by_key_process(CONF_FILE,processName,"oom_score_child",tmpValue);
if(ret == 0)
{
file_oom = atoi(tmpValue);
ret = write_to_oom_score_adj_child(pid, file_oom);
if(ret == 0)
{
repValue = 0;
// fprintf(stderr,"allow = %d,om = %d\n", state, file_oom);
}
}
}
}else if(state == FREECONFIG_CHILD) //可以设置关闭继承，需要将设置进来OM中大于等于文件中的OM值
{
// fprintf(stderr,"allow = %d\n",state);
ret = write_to_oom_score_adj_child_enable(pid, 1);
if(ret == 0)
{
int file_oom;
ret = get_value_by_key_process(CONF_FILE,processName,"oom_score_child",tmpValue);
if(ret == 0)
{
file_oom = atoi(tmpValue);
if(file_oom <= oom_score_child)
{
// fprintf(stderr,"file_oom = %d,oom_score_child = %d\n",file_oom,oom_score_child);
ret = write_to_oom_score_adj_child(pid,oom_score_child);
if(ret == 0)
{
repValue = 0;
}
}else{
repValue = -1;
}
}
}
}
}
}
}
dbus_message_append_args(reply,
DBUS_TYPE_INT32, &repValue,
DBUS_TYPE_INVALID);
if(scriptProcessName) {
free(scriptProcessName);
scriptProcessName = NULL;
}
}else
{
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
exit:
if (dbus_error_is_set(&err)) {
if (reply)
dbus_message_unref(reply);
reply = dbus_message_new_error(message, err.name, err.message);
dbus_error_free(&err);
}
/*
* In any cases we should have allocated a reply otherwise it
* means that we failed to allocate one.
*/
if (!reply)
return DBUS_HANDLER_RESULT_NEED_MEMORY;
/* Send the reply which might be an error one too. */
result = DBUS_HANDLER_RESULT_HANDLED;
if (!dbus_connection_send(conn, reply, NULL))
result = DBUS_HANDLER_RESULT_NEED_MEMORY;
dbus_message_unref(reply);
return result;
}
const DBusObjectPathVTable dbus_vtable = {
.message_function = dbus_message_handler
};
static int emit_signal_for_online(DBusConnection *conn, const char* signame, const char* dscp)
{
#define CHECK_STEP_FAILED() if(!bRet){iFailed = 1;}
bool bRet = 0;
int iFailed = 0;
DBusMessage *msg;
DBusMessageIter iter, dict_iter;
msg = dbus_message_new_signal("/com/kylin/processStateManage",
"com.kylin.processStateManage",
signame);
if(!msg)
goto error;
dbus_message_iter_init_append(msg, &iter);
bRet = dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &dscp);
CHECK_STEP_FAILED();
bRet = dbus_connection_send(conn, msg, NULL);
CHECK_STEP_FAILED();
dbus_connection_flush(conn);
dbus_message_unref(msg);
if(!iFailed)
return 0;
error:
klog_debug("[ERROR] process Permission server online %s failed\n", signame);
return -1;
}
int main(int argc, char **argv)
{
int r = 0;
DBusError err;
GMainLoop *mainloop;
DBusConnection *BusConn;
dbus_error_init(&err);
BusConn = dbus_bus_get(DBUS_BUS_SYSTEM, &err);
if (!BusConn) {
klog_debug("Failed to get a session DBus connection: %s\n", err.message);
goto error;
}
r = dbus_bus_request_name(BusConn, "com.kylin.processStateManage", DBUS_NAME_FLAG_REPLACE_EXISTING , &err);
if (r != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
klog_debug("Failed to request name on bus: %s\n", err.message);
goto error;
}
if (!dbus_connection_register_object_path(BusConn, "/com/kylin/processStateManage", &dbus_vtable, NULL)) {
klog_debug("Failed to register a object path for 'TestObject'\n");
goto error;
}
/* Set up the DBus connection to work in a GLib event loop */
dbus_connection_setup_with_g_main(BusConn, NULL);
r = emit_signal_for_online(BusConn,"SignalOnline","online");
if(r)
klog_debug("[ERROR] process process Permission emit OnLine signal failed\n");
else
klog_debug("process Permission emit OnLine signal succ\n");
klog_debug("Now process Permission prepare to run main_loop\n");
/* event-loop */
mainloop = g_main_loop_new(NULL, 0);
g_main_loop_run(mainloop);
g_main_loop_unref(mainloop);
return EXIT_SUCCESS;
error:
dbus_error_free(&err);
return EXIT_FAILURE;
}

12
src/processmanage/processStateManage.service
View File

@ -1,12 +0,0 @@
[Unit]
Description=processStateManage Daemon
After=dbus.service
[Service]
#BusName=processStateManage
#Environment=PATH=/sbin:/usr/bin
ExecStart=/usr/bin/processStateManage
Restart=always
[Install]
WantedBy=multi-user.target

58
src/processmanage/processStateSetAcl.conf
View File

@ -1,58 +0,0 @@
#管理配置这块，需要几个字段了
#1.进程名
#2.是否允许本进程设置oom值，可选项：不允许、固定值、可自由配置
#3.第2点允许的情况下，oom值（固定值）、最小oom值（可自由配置）
#4.是否允许设置是否关闭继承，可选项：不可以、固定child值、可手动配置child值
#5.第4点允许的情况下，child值（固定值）、最小child值（可自由配置）
#1-----不允许
#2-----固定值
#3-----自由配置
#如果允许子进程继承父进程（oom_score_adj_child_enable值为1），
#则父进程的oom_score_adj_child和子进程的oom_score_adj一致，，
#如果不允许子进程继承父进程（oom_score_adj_child_enable值为0）
#，则父进程的oom_score_adj和子进程的oom_score_adj一致，
[/usr/bin/kylin-weather1]
name=/usr/bin/kylin-weather
allow=2
oom_score=-500
allow_inheritance=2
oom_score_child=-500
[/usr/bin/kylin-weather2]
name=/usr/bin/kylin-weather2
allow=25
oom_score=-25250
allow_inheritance=2525
oom_score_child=-52454500
[/usr/bin/kylin-weather]
name=/usr/bin/kylin-weather
allow=23
oom_score=-500
allow_inheritance=2
oom_score_child=-500
[/home/wgs/code/build-dbus-test-unknown-Debug/dbus-test]
name=/home/wgs/code/build-dbus-test-unknown-Debug/dbus-test
allow=3
oom_score=-500
allow_inheritance=2
oom_score_child=-500
/usr/bin/aaa , enum{1，2，3}， int value_process , enum {1,2,3} ， int value_child

21
src/systeminfo/libkysysinfo.c
View File

@ -937,6 +937,27 @@ out:
return res;
}
char* kdk_system_get_systemCategory()
{
char *vername = (char *)malloc(sizeof(char) * 50);
#ifdef __linux__
FILE *fp = fopen("/etc/LICENSE", "r");
if (! fp)
{
strcpy(vername, "none");
return vername;
}
vername = get_val_from_file(fp, "SUBCLASS");
if (!vername)
return NULL;
strstrip(vername, '\n');
strstrip(vername, '\"');
fclose(fp);
#endif
return vername;
}
inline void kdk_resolving_freeall(char **list)
{
if (! list)

10
src/systeminfo/libkysysinfo.h
View File

@ -138,7 +138,7 @@ extern char* kdk_system_get_hostCloudPlatform();
extern bool kdk_system_is_zyj(void);
/**
* @brief 获取系统版本号
* @brief 获取系统版本号/补丁版本号
*
* @return version_t 该系统版本号的详细信息，具体信息自取
*/
@ -153,6 +153,14 @@ extern version_t kdk_system_get_version_detaile();
extern char** kdk_system_get_resolving_power();
/**
* @brief 获取显示系统版本类别
*
* @return char* 成功返回字符串系统版本类别，失败返回NULL。返回的字符串需要被 free 释放
*/
extern char* kdk_system_get_systemCategory();
/**
* @brief 用于回收字符串列表
*

4
src/systeminfo/test/kysysinfo_test.c
View File

@ -65,9 +65,5 @@ int main()
printf("系统版本类别 = %s\n", ver);
free(ver);
ver = kdk_system_get_cloudPlatformType();
printf("云平台类型 = %s\n", ver);
free(ver);
return 0;
}

1
src/systemtime/libkydate.c
View File

@ -15,6 +15,7 @@
#include <locale.h>
#include <string.h>
#define SAFE_FREE(x) if (x) {free(x); x = NULL;}
#define DATEFORMAT "DATEFORMAT"
#define PATH_MAX 50