int main (int argc, const char * argv[])
{
printf("sizeof:int %lu,unsigned int %lu,char %lu,unsigned char %lu,short:%lu,unsigned short:%lu\n",
sizeof(int),sizeof(unsigned int),sizeof(char),sizeof(unsigned char),sizeof(short),sizeof(unsigned short));
pcap_file_header pfh;
pcap_header ph;
int count=0;
void * buff = NULL;
int readSize=0;
int ret = 0;
FILE *fp = fopen(PCAP_FILE, "rw");
if (fp==NULL) {
fprintf(stderr, "Open file %s error.",PCAP_FILE);
ret = ERROR_FILE_OPEN_FAILED;
goto ERROR;
}
fread(&pfh, sizeof(pcap_file_header), 1, fp);
prinfPcapFileHeader(&pfh);
//fseek(fp, 0, sizeof(pcap_file_header));
buff = (void *)malloc(MAX_ETH_FRAME);
for (count=1; ; count++) {
memset(buff,0,MAX_ETH_FRAME);
//read pcap header to get a packet
//get only a pcap head count .
readSize=fread(&ph, sizeof(pcap_header), 1, fp);
if (readSize<=0) {
break;
}
printfPcapHeader(&ph);
if (buff==NULL) {
fprintf(stderr, "malloc memory failed.\n");
ret = ERROR_MEM_ALLOC_FAILED;
goto ERROR;
}
//get a packet contents.
//read ph.capture_len bytes.
readSize=fread(buff,1,ph.capture_len, fp);
if (readSize != ph.capture_len) {
free(buff);
fprintf(stderr, "pcap file parse error.\n");
ret = ERROR_PCAP_PARSE_FAILED;
goto ERROR;
}
printPcap(buff, ph.capture_len);
printf("===count:%d,readSize:%d===\n",count,readSize);
if (feof(fp) || readSize <=0 ) {
break;
}
}
ERROR:
//free
if (buff) {
free(buff);
buff=NULL;
}
if (fp) {
fclose(fp);
fp=NULL;
}
return ret;
}
int main (int argc, const char * argv[])
{
printf("sizeof:int %d,unsigned int %d,char %d,unsigned char %d,short:%d,unsigned short:%d\n",
sizeof(int),sizeof(unsigned int),sizeof(char),sizeof(unsigned char),sizeof(short),sizeof(unsigned short));
pcap_file_header pfh;
pcap_header ph;
int count=0;
void * buff = NULL;
int readSize=0;
int ret = 0;
initList(&pList);
FILE *fp = fopen64(PCAP_FILE, "rw");
if (fp==NULL) {
fprintf(stderr, "Open file %s error.\n",PCAP_FILE);
ret = ERROR_FILE_OPEN_FAILED;
printf("%d\n",ret);
goto ERROR;
}
//文件已读到fp中。
fread(&pfh, sizeof(pcap_file_header), 1, fp);
prinfPcapFileHeader(&pfh);
// fseek(fp,96,SEEK_SET);
buff = (void *)malloc(MAX_ETH_FRAME);
for (count=1;count; count++)
{
memset(buff,0,MAX_ETH_FRAME);
//read pcap header to get a packet
//get only a pcap head count .
readSize=fread(&ph, sizeof(pcap_header), 1, fp);
if (readSize<=0) {
break;
}
//printfPcapHeader(&ph);
if (buff==NULL) {
fprintf(stderr, "malloc memory failed.\n");
ret = ERROR_MEM_ALLOC_FAILED;
goto ERROR;
}
//get a packet contents.
//read ph.capture_len bytes.
//fseek(fp,sizeof(pcap_header),SEEK_CUR);
if(ph.capture_len>2000||ph.capture_len<0)
{
puts("warning.....");
sleep(5);
}
readSize=fread(buff,1,ph.capture_len, fp);
// if (readSize != ph.capture_len) {
if (readSize < 0) {
free(buff);
fprintf(stderr, "pcap file parse error:%d\t%d\n", readSize, ph.capture_len);
ret = ERROR_PCAP_PARSE_FAILED;
goto ERROR;
}
printPcap(buff, readSize,&ph);
// sleep(5000);
printf("===count:%d,readSize:%d===\n",count,readSize);
if (feof(fp) || readSize <=0 ) {
break;
}
}
ERROR:
//free
if (buff) {
free(buff);
buff=NULL;
}
if (fp) {
fclose(fp);
fp=NULL;
}
return ret;
}
