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Diffstat (limited to 'src/lib/shm_flow_set.c')
-rw-r--r--src/lib/shm_flow_set.c38
1 files changed, 22 insertions, 16 deletions
diff --git a/src/lib/shm_flow_set.c b/src/lib/shm_flow_set.c
index d2107fc3..bb9e3caa 100644
--- a/src/lib/shm_flow_set.c
+++ b/src/lib/shm_flow_set.c
@@ -27,7 +27,6 @@
#include <ouroboros/lockfile.h>
#include <ouroboros/time_utils.h>
#include <ouroboros/shm_flow_set.h>
-#include <ouroboros/fqueue.h>
#include <ouroboros/errno.h>
#include <pthread.h>
@@ -54,24 +53,29 @@
#define FN_MAX_CHARS 255
-#define FQUEUESIZE ((SHM_BUFFER_SIZE) * sizeof(int))
+#define QUEUESIZE ((SHM_BUFFER_SIZE) * sizeof(struct portevent))
#define SHM_FLOW_SET_FILE_SIZE (SYS_MAX_FLOWS * sizeof(ssize_t) \
+ PROG_MAX_FQUEUES * sizeof(size_t) \
+ PROG_MAX_FQUEUES * sizeof(pthread_cond_t) \
- + PROG_MAX_FQUEUES * FQUEUESIZE \
+ + PROG_MAX_FQUEUES * QUEUESIZE \
+ sizeof(pthread_mutex_t))
#define fqueue_ptr(fs, idx) (fs->fqueues + (SHM_BUFFER_SIZE) * idx)
+struct portevent {
+ int port_id;
+ int event;
+};
+
struct shm_flow_set {
- ssize_t * mtable;
- size_t * heads;
- pthread_cond_t * conds;
- int * fqueues;
- pthread_mutex_t * lock;
+ ssize_t * mtable;
+ size_t * heads;
+ pthread_cond_t * conds;
+ struct portevent * fqueues;
+ pthread_mutex_t * lock;
- pid_t pid;
+ pid_t pid;
};
struct shm_flow_set * shm_flow_set_create()
@@ -125,7 +129,7 @@ struct shm_flow_set * shm_flow_set_create()
set->mtable = shm_base;
set->heads = (size_t *) (set->mtable + SYS_MAX_FLOWS);
set->conds = (pthread_cond_t *)(set->heads + PROG_MAX_FQUEUES);
- set->fqueues = (int *) (set->conds + PROG_MAX_FQUEUES);
+ set->fqueues = (struct portevent *) (set->conds + PROG_MAX_FQUEUES);
set->lock = (pthread_mutex_t *)
(set->fqueues + PROG_MAX_FQUEUES * (SHM_BUFFER_SIZE));
@@ -191,10 +195,9 @@ struct shm_flow_set * shm_flow_set_open(pid_t pid)
set->mtable = shm_base;
set->heads = (size_t *) (set->mtable + SYS_MAX_FLOWS);
set->conds = (pthread_cond_t *)(set->heads + PROG_MAX_FQUEUES);
- set->fqueues = (int *) (set->conds + PROG_MAX_FQUEUES);
+ set->fqueues = (struct portevent *) (set->conds + PROG_MAX_FQUEUES);
set->lock = (pthread_mutex_t *)
(set->fqueues + PROG_MAX_FQUEUES * (SHM_BUFFER_SIZE));
-
set->pid = pid;
return set;
@@ -316,7 +319,8 @@ int shm_flow_set_has(struct shm_flow_set * set,
}
void shm_flow_set_notify(struct shm_flow_set * set,
- int port_id)
+ int port_id,
+ int event)
{
assert(set);
assert(!(port_id < 0) && port_id < SYS_MAX_FLOWS);
@@ -328,8 +332,10 @@ void shm_flow_set_notify(struct shm_flow_set * set,
return;
}
- *(fqueue_ptr(set, set->mtable[port_id]) +
- (set->heads[set->mtable[port_id]])++) = port_id;
+ (fqueue_ptr(set, set->mtable[port_id]) +
+ (set->heads[set->mtable[port_id]]))->port_id = port_id;
+ (fqueue_ptr(set, set->mtable[port_id]) +
+ (set->heads[set->mtable[port_id]])++)->event = event;
pthread_cond_signal(&set->conds[set->mtable[port_id]]);
@@ -380,7 +386,7 @@ ssize_t shm_flow_set_wait(const struct shm_flow_set * set,
if (ret != -ETIMEDOUT) {
memcpy(fqueue,
fqueue_ptr(set, idx),
- set->heads[idx] * sizeof(int));
+ set->heads[idx] * sizeof(struct portevent));
ret = set->heads[idx];
set->heads[idx] = 0;
}