int extract(struct Options * op)
{
FILE * database, * fp;
int seq;
char c;
database = fopen(op->database,"r");
if(database == NULL)
{
printf("Database cannot open:%s\r\n",op->database);
return -3;
}
fp = fopen(op->filename,"w");
if(fp == NULL)
{
printf("Can create file:%s\r\n",op->filename);
return -5;
}
seq = 0;
if(read_util(database, '>', 0, NULL) != 0) return -4;
while(1)
{
if(read_util(database, '\n', 0, NULL) != 0) break;
seq++;
if(read_util(database, '>', 1, fp) != 0) break;
}
fclose(fp);
fclose(database);
fp = database = NULL;
return seq;
}
/**
* Send a register request to cakedb server
*/
int16_t register_stream(struct sockaddr_in saddr, const char *stream_name)
{
t_head header;
int s;
int32_t i;
int16_t sid;
printf("registering stream %s\n", stream_name);
s = create_network_link(saddr);
/* Send an register stream request */
header.cmd = htons(5);
i = strlen(stream_name);
header.length = htonl(i);
/* Send header to cakedb */
write_util(s, &header, sizeof(header.cmd) + sizeof(header.length));
/* Send stream name to cakedb */
write_util(s, stream_name, i);
/* Read stream id returned by cakedb */
read_util(s, &sid, sizeof(sid));
/* Convert sid to host endianess */
sid = ntohs(sid);
printf("received stream id: %d\n", (int) sid);
close(s);
return (sid);
}
