#include "localerr.h"
#include "ustcomm.h"
+struct list_head buffers = LIST_HEAD_INIT(buffers);
+
struct buffer_info {
char *name;
pid_t pid;
void *mem;
int memlen;
- int nsubbufs;
+ int n_subbufs;
+ int subbuf_size;
+
+ int file_fd; /* output file */
};
int add_buffer(pid_t pid, char *bufname)
asprintf(&send_msg, "get_shmid %s", buf->name);
send_message(pid, send_msg, &received_msg);
free(send_msg);
+ DBG("got buffer name %s", buf->name);
result = sscanf(received_msg, "%d", &buf->shmid);
if(result != 1) {
return -1;
}
free(received_msg);
+ DBG("got shmid %d", buf->shmid);
- /* get nsubbufs */
+ /* get n_subbufs */
asprintf(&send_msg, "get_n_subbufs %s", buf->name);
send_message(pid, send_msg, &received_msg);
free(send_msg);
- result = sscanf(received_msg, "%d", &buf->nsubbufs);
+ result = sscanf(received_msg, "%d", &buf->n_subbufs);
if(result != 1) {
- ERR("unable to parse response to get_shmid");
+ ERR("unable to parse response to get_n_subbufs");
+ return -1;
+ }
+ free(received_msg);
+ DBG("got n_subbufs %d", buf->n_subbufs);
+
+ /* get subbuf size */
+ asprintf(&send_msg, "get_subbuf_size %s", buf->name);
+ send_message(pid, send_msg, &received_msg);
+ free(send_msg);
+
+ result = sscanf(received_msg, "%d", &buf->subbuf_size);
+ if(result != 1) {
+ ERR("unable to parse response to get_subbuf_size");
return -1;
}
free(received_msg);
+ DBG("got subbuf_size %d", buf->subbuf_size);
/* attach memory */
buf->mem = shmat(buf->shmid, NULL, 0);
perror("shmat");
return -1;
}
+ DBG("successfully attached memory");
return 0;
}