162 lines
3.3 KiB
C
162 lines
3.3 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <netinet/in.h>
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#include <linux/types.h>
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#include <errno.h>
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#include "libnetlinku.h"
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#include "policyconf.h"
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#include "commuapinl.h"
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#ifdef NLDEBUG_ACK_COOKIES
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#define CFG_DEBUG_ACK_COOKIES
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#endif
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struct upmnl_handle cfgnlh;
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int set_cfg_debug_waitack()
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{
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struct nlmsghdr *ack = NULL;
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struct nlmsghdr **answer = &ack;
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unsigned char debug_msg_type[]={"17"};/*需要发送的数据*/
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int msg_len = strlen((const char *)debug_msg_type);
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struct {
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struct nlmsghdr n;
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char buf[1024];
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} req = {
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.n.nlmsg_len = NLMSG_LENGTH(0),
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#ifdef CFG_DEBUG_ACK_COOKIES
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.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK,/*set NLM_F_ACK：use kernel auto ack*/
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#else
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.n.nlmsg_flags = NLM_F_REQUEST,/*not use kernel auto ack*/
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#endif
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.n.nlmsg_type = COMMNMSG_CFG_DEBUGFS,
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.n.nlmsg_pid = getpid(),
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};
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printf("set_cfg_debug_waitack\r\n");
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/*可选属性*/
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commnl_addattr_l(&req.n, sizeof(req), NLDEBUG_MSG_TYPE, debug_msg_type, msg_len);
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printf("cfg send debugfs msg to kernel:srcip_len =%d.req.n.nlmsg_type =%d\r\n",msg_len,req.n.nlmsg_type);
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/*发送组装好的netlink消息*/
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if (commcfg_talk(&req.n, answer) < 0)
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{
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printf("set_cfg_debug_waitack rcv ack msg faild.\r\n");
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return -2;
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}
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else{
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printf("set_cfg_debug_waitack rcv ack msg sucess.\r\n");
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}
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if(*answer != NULL)
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{
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printf("set_cfg_debug_waitack rcv answer.\r\n");
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}
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else{
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printf("set_cfg_debug_waitack rcv answer error.\r\n");
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return -3;
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}
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#ifdef CFG_DEBUG_ACK_COOKIES
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/*recv answer*/
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if((*answer)->nlmsg_type == NLMSG_ERROR){
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nl_debugfs_extack(*answer);
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}
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else{
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printf("set_cfg_debug_waitack nlmsg_type is=0x%x,not debugfsmsg ack.\r\n",ack->nlmsg_type);
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}
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#else
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if((*answer)->nlmsg_type == COMMNMSG_CFG_DEBUGFS){
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nl_debugfs(*answer);
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}
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else{
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printf("set_cfg_debug_waitack nlmsg_type is=0x%x,not COMMNMSG_CFG_DEBUGFS ack.\r\n",ack->nlmsg_type);
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}
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#endif
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return 0;
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}
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int set_cfg_debug_nowaitack()
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{
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unsigned char debug_msg_type[]={"17"};/*需要发送的数据*/
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int msg_len = strlen((const char *)debug_msg_type);
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struct {
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struct nlmsghdr n;
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struct policyconfmsg ncm;
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char buf[1024];
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} req = {
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.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct policyconfmsg)),
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.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK,
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.n.nlmsg_type = COMMNMSG_CFG_DEBUGFS,
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.ncm.policy_id = 17,
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.n.nlmsg_pid = getpid(),
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};
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printf("set_cfg_debug_nowaitack\r\n");
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/*可选属性*/
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commnl_addattr_l(&req.n, sizeof(req), NLDEBUG_MSG_TYPE, debug_msg_type, msg_len);
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printf("msg_len =%d.req.n.nlmsg_type =%d\r\n",msg_len,req.n.nlmsg_type);
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/*发送组装好的netlink消息*/
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if (commcfg_send(&req.n) < 0)
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return -2;
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return 0;
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}
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int main( int argc, char **argv)
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{
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int ret = -1;
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printf("cfgchannel main begin:\r\n");
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/*创建通道*/
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ret = commcfgnl_open();
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if(ret < 0)
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{
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printf("pdelivnl_open fail,exit.\r\n");
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return -1;
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}
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/*下发配置到内核态*/
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//ret = set_cfg_debug_nowaitack();
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ret = set_cfg_debug_waitack();
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if(ret < 0)
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{
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printf("set_cfg_debug_waitack failed.\r\n");
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return -1;
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}
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/*关闭netlink通道*/
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commcfgnl_close();
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printf("cfgchannel main exit!\r\n");
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return 0;
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}
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