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dm: add one api for sending shutdown to life_mngr on SOS

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when acrn-dm received shutdown command, it will call this api
to send shutdown command to life_mngr running on SOS via socket.

Tracked-On: #4446
Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
Reviewed-by: Minggui Cao <minggui.cao@intel.com>
Reviewed-by: Shuo A Liu <shuo.a.liu@intel.com>
Reviewed-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>
This commit is contained in:
Mingqiang Chi 2020-03-03 16:34:17 +08:00 committed by wenlingz
parent 8733abef6b
commit f78558a4fd
1 changed files with 54 additions and 0 deletions
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54
devicemodel/core/pm_vuart.c
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@ -18,6 +18,10 @@
#include <fcntl.h>
#include <assert.h>
#include <pthread.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <termios.h>
#include "vmmapi.h"
@ -30,6 +34,7 @@
#define CMD_LEN 16
#define RESEND_CMD_CNT 3
#define MAX_NODE_PATH 128
#define SOS_SOCKET_PORT 0x2000
static const char * const node_name[] = {
"pty",
@ -79,6 +84,55 @@ static int read_bytes(int fd, uint8_t *buffer, int buf_len)
return count;
}
/*
* acrn-dm receive shutdown command from UOS,
* it will call this api to send shutdown to life_mngr
* running on SOS
*/
int send_shutdown_to_lifemngr(void)
{
int rc;
char buffer[CMD_LEN];
int socket_fd;
struct sockaddr_in socket_addr;
socket_fd = socket(AF_INET, SOCK_STREAM, 0);
if (socket_fd == -1) {
pr_err("socket() error.\n");
return -1;
}
memset(&socket_addr, 0, sizeof(struct sockaddr_in));
socket_addr.sin_family = AF_INET;
socket_addr.sin_port = htons(SOS_SOCKET_PORT);
socket_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
if (connect(socket_fd, (struct sockaddr *)&socket_addr, sizeof(socket_addr)) == -1) {
pr_err("connect() error.\n");
close(socket_fd);
return -1;
}
/* send shutdown command to lifecycle management process */
if (write(socket_fd, SHUTDOWN_CMD, sizeof(SHUTDOWN_CMD)) <= 0) {
pr_err("send shutdown cmd to lifecycle management process failed!\n");
close(socket_fd);
return -1;
}
/* wait the acked message from lifecycle management */
rc = read(socket_fd, (uint8_t *)buffer, sizeof(SHUTDOWN_CMD_ACK));
if ((rc > 0) && strncmp(buffer, SHUTDOWN_CMD_ACK, strlen(SHUTDOWN_CMD_ACK)) == 0) {
pr_info("received acked from lifecycle management process\n");
} else {
pr_err("received acked from lifecycle management failed!\n");
close(socket_fd);
return -1;
}
close(socket_fd);
return 0;
}
/*
* this pm_monitor can do:
* --send shutdown request to UOS