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git-svn-id: http://172.17.0.253/svn/soft_pkgs/sys_nicmonitor@146 09c3743a-b0dd-45d3-b506-aa74c7a2a6ef
This commit is contained in:
jli
2010-09-03 06:35:33 +00:00
parent 47b513b95d
commit a1da11c7f5
50 changed files with 4531 additions and 1 deletions
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127
code/trunk/test/read_shm.c Normal file
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#include "mnic.h"
typedef struct net_info{
NETCARD_INFO info[MAXNICNUM];
}SHM;
void get_sem(int semid)
{
struct sembuf lock;
lock.sem_num = 0;
lock.sem_op = -1;
lock.sem_flg = SEM_UNDO;
while(semop(semid, &lock, 1)){
if (errno == EINTR) {
continue;
}
perror("semop()");
}
}
void release_sem(int semid)
{
int ret;
struct sembuf unlock;
unlock.sem_num = 0;
unlock.sem_op = 1;
unlock.sem_flg = SEM_UNDO;
if((ret = semop(semid, &unlock, 1)) == -1){
perror("semop()");
}
}
int main(void)
{
int fd = -1;
int i;
int semid;
key_t key;
SHM *p;
struct timespec s_time, os_time;
char shm_path[1024];
char sem_path[1024];
memset(shm_path, 0, sizeof(shm_path));
memset(sem_path, 0, sizeof(sem_path));
strcpy(shm_path, "/tmp/sys_netcard_shm_path");
strcpy(sem_path, "/tmp/sys_netcard_sem_path");
s_time.tv_sec = 1;
s_time.tv_nsec = 0;
if ((key=ftok(sem_path, SEM_PROJ_ID)) == -1) {
perror("ftok()");
exit(1);
}
if((semid = semget(key, 1, IPC_CREAT)) == -1){
fprintf(stderr, "Create semaphore error\n");
exit(1);
}
if((fd = open(shm_path, O_RDWR)) == -1){
fprintf(stderr, "open():%s\n", strerror(errno));
return -1;
}
p = mmap(NULL, sizeof(SHM), PROT_READ, MAP_SHARED, fd, 0);
if(p == MAP_FAILED){
perror("mmap");
return -1;
}
perror("mmap");
while(1){
get_sem(semid);
for(i = 0; p->info[i].charname[0] != 0; i++){
fprintf(stdout, "==========================网卡信息 [%d]==============================\n", (i + 1));
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",
p->info[i].ID,
p->info[i].descr,
p->info[i].charname,
(unsigned char)p->info[i].addr.sa_data[2],
(unsigned char)p->info[i].addr.sa_data[3],
(unsigned char)p->info[i].addr.sa_data[4],
(unsigned char)p->info[i].addr.sa_data[5],
(unsigned char)p->info[i].broadaddr.sa_data[2],
(unsigned char)p->info[i].broadaddr.sa_data[3],
(unsigned char)p->info[i].broadaddr.sa_data[4],
(unsigned char)p->info[i].broadaddr.sa_data[5],
(unsigned char)p->info[i].netmask.sa_data[2],
(unsigned char)p->info[i].netmask.sa_data[3],
(unsigned char)p->info[i].netmask.sa_data[4],
(unsigned char)p->info[i].netmask.sa_data[5],
(unsigned char)p->info[i].hwaddr.sa_data[0],
(unsigned char)p->info[i].hwaddr.sa_data[1],
(unsigned char)p->info[i].hwaddr.sa_data[2],
(unsigned char)p->info[i].hwaddr.sa_data[3],
(unsigned char)p->info[i].hwaddr.sa_data[4],
(unsigned char)p->info[i].hwaddr.sa_data[5],
p->info[i].flags,
p->info[i].mtu,
p->info[i].tx_queue_len,
p->info[i].time_stamp,
p->info[i].rx_bytes,
p->info[i].rx_packets,
p->info[i].rx_errors,
p->info[i].rx_dropped,
p->info[i].rx_multicast,
p->info[i].rx_fifo_errors,
p->info[i].tx_bytes,
p->info[i].tx_packets,
p->info[i].tx_errors,
p->info[i].tx_dropped,
p->info[i].tx_fifo_errors,
p->info[i].collisions,
p->info[i].tx_carrier_errors,
p->info[i].average_flow);
}
nanosleep(&s_time, &os_time);
release_sem(semid);
}
close(fd);
return 0;
}