a1da11c7f5
git-svn-id: http://172.17.0.253/svn/soft_pkgs/sys_nicmonitor@146 09c3743a-b0dd-45d3-b506-aa74c7a2a6ef
128 lines
3.7 KiB
C
128 lines
3.7 KiB
C
#include "mnic.h"
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typedef struct net_info{
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NETCARD_INFO info[MAXNICNUM];
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}SHM;
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void get_sem(int semid)
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{
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struct sembuf lock;
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lock.sem_num = 0;
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lock.sem_op = -1;
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lock.sem_flg = SEM_UNDO;
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while(semop(semid, &lock, 1)){
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if (errno == EINTR) {
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continue;
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}
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perror("semop()");
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}
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}
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void release_sem(int semid)
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{
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int ret;
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struct sembuf unlock;
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unlock.sem_num = 0;
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unlock.sem_op = 1;
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unlock.sem_flg = SEM_UNDO;
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if((ret = semop(semid, &unlock, 1)) == -1){
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perror("semop()");
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}
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}
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int main(void)
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{
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int fd = -1;
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int i;
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int semid;
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key_t key;
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SHM *p;
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struct timespec s_time, os_time;
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char shm_path[1024];
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char sem_path[1024];
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memset(shm_path, 0, sizeof(shm_path));
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memset(sem_path, 0, sizeof(sem_path));
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strcpy(shm_path, "/tmp/sys_netcard_shm_path");
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strcpy(sem_path, "/tmp/sys_netcard_sem_path");
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s_time.tv_sec = 1;
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s_time.tv_nsec = 0;
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if ((key=ftok(sem_path, SEM_PROJ_ID)) == -1) {
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perror("ftok()");
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exit(1);
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}
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if((semid = semget(key, 1, IPC_CREAT)) == -1){
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fprintf(stderr, "Create semaphore error\n");
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exit(1);
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}
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if((fd = open(shm_path, O_RDWR)) == -1){
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fprintf(stderr, "open():%s\n", strerror(errno));
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return -1;
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}
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p = mmap(NULL, sizeof(SHM), PROT_READ, MAP_SHARED, fd, 0);
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if(p == MAP_FAILED){
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perror("mmap");
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return -1;
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}
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perror("mmap");
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while(1){
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get_sem(semid);
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for(i = 0; p->info[i].charname[0] != 0; i++){
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fprintf(stdout, "==========================网卡信息 [%d]==============================\n", (i + 1));
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fprintf(stdout,"KEYID = %ld\nBONDING:%s\nDEVICE NAME : %s\nIPADDR : %d.%d.%d.%d\nBROADCAST : %d.%d.%d.%d\nNETMASK : %d.%d.%d.%d\nHWADDR : %02x:%02x:%02x:%02x:%02x:%02x\nFLAGS = %d\nMTU = %d\nTx_queue_len = %d\nTime_stamp = %d\n\nReceive bytes:%llu\nReceive packets:%llu\nReceive errors:%lu\nReceive dropped:%lu\nReceive multicast:%lu\nReceive fifo:%lu\n\nTransmit bytes:%llu\nTransmit packets:%llu\nTransmit errors:%lu\nTransmit dropped:%lu\nTransmit fifo:%lu\nTransmit collisions:%lu\nTransmit carrier:%lu\nAverage flow : %lld\n",
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p->info[i].ID,
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p->info[i].descr,
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p->info[i].charname,
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(unsigned char)p->info[i].addr.sa_data[2],
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(unsigned char)p->info[i].addr.sa_data[3],
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(unsigned char)p->info[i].addr.sa_data[4],
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(unsigned char)p->info[i].addr.sa_data[5],
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(unsigned char)p->info[i].broadaddr.sa_data[2],
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(unsigned char)p->info[i].broadaddr.sa_data[3],
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(unsigned char)p->info[i].broadaddr.sa_data[4],
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(unsigned char)p->info[i].broadaddr.sa_data[5],
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(unsigned char)p->info[i].netmask.sa_data[2],
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(unsigned char)p->info[i].netmask.sa_data[3],
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(unsigned char)p->info[i].netmask.sa_data[4],
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(unsigned char)p->info[i].netmask.sa_data[5],
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(unsigned char)p->info[i].hwaddr.sa_data[0],
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(unsigned char)p->info[i].hwaddr.sa_data[1],
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(unsigned char)p->info[i].hwaddr.sa_data[2],
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(unsigned char)p->info[i].hwaddr.sa_data[3],
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(unsigned char)p->info[i].hwaddr.sa_data[4],
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(unsigned char)p->info[i].hwaddr.sa_data[5],
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p->info[i].flags,
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p->info[i].mtu,
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p->info[i].tx_queue_len,
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p->info[i].time_stamp,
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p->info[i].rx_bytes,
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p->info[i].rx_packets,
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p->info[i].rx_errors,
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p->info[i].rx_dropped,
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p->info[i].rx_multicast,
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p->info[i].rx_fifo_errors,
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p->info[i].tx_bytes,
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p->info[i].tx_packets,
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p->info[i].tx_errors,
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p->info[i].tx_dropped,
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p->info[i].tx_fifo_errors,
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p->info[i].collisions,
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p->info[i].tx_carrier_errors,
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p->info[i].average_flow);
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}
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nanosleep(&s_time, &os_time);
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release_sem(semid);
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}
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close(fd);
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return 0;
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}
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