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authordimitri staessens <dimitri.staessens@intec.ugent.be>2016-09-02 19:15:07 +0200
committerdimitri staessens <dimitri.staessens@intec.ugent.be>2016-09-03 04:24:46 +0200
commitca1ceec582a8eaf57fba2dc3514612df051f6518 (patch)
tree9cbd827eb3b761f6950289e86dec5e02f676a32d /src/lib/dev.c
parentab836771789619442f6ea593d5ddb5cc8252d2d5 (diff)
downloadouroboros-ca1ceec582a8eaf57fba2dc3514612df051f6518.tar.gz
ouroboros-ca1ceec582a8eaf57fba2dc3514612df051f6518.zip
lib: dev: Refactor
Renamed _ap_instance to ai, adds a char * daf_name (to be set by ipcps in ipcp-dev.h, later to be set when we generalise enrolment to DAFs).
Diffstat (limited to 'src/lib/dev.c')
-rw-r--r--src/lib/dev.c370
1 files changed, 188 insertions, 182 deletions
diff --git a/src/lib/dev.c b/src/lib/dev.c
index 25c3fcd4..ee1e7656 100644
--- a/src/lib/dev.c
+++ b/src/lib/dev.c
@@ -42,9 +42,11 @@ struct flow {
struct timespec * timeout;
};
-struct ap_data {
+struct ap_instance {
char * ap_name;
+ char * daf_name;
pid_t api;
+
struct shm_rdrbuff * rdrb;
struct bmp * fds;
struct shm_ap_rbuff * rb;
@@ -52,7 +54,7 @@ struct ap_data {
struct flow flows[AP_MAX_FLOWS];
pthread_rwlock_t flows_lock;
-} * _ap_instance;
+} * ai;
static int api_announce(char * ap_name)
{
@@ -63,12 +65,12 @@ static int api_announce(char * ap_name)
msg.code = IRM_MSG_CODE__IRM_API_ANNOUNCE;
msg.has_api = true;
- pthread_rwlock_rdlock(&_ap_instance->data_lock);
+ pthread_rwlock_rdlock(&ai->data_lock);
- msg.api = _ap_instance->api;
+ msg.api = ai->api;
msg.ap_name = ap_name;
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
recv_msg = send_recv_irm_msg(&msg);
if (recv_msg == NULL) {
@@ -91,45 +93,46 @@ int ap_init(char * ap_name)
ap_name = path_strip(ap_name);
- _ap_instance = malloc(sizeof(struct ap_data));
- if (_ap_instance == NULL) {
+ ai = malloc(sizeof(*ai));
+ if (ai == NULL) {
return -ENOMEM;
}
- _ap_instance->api = getpid();
- _ap_instance->ap_name = ap_name;
+ ai->api = getpid();
+ ai->ap_name = ap_name;
+ ai->daf_name = NULL;
- _ap_instance->fds = bmp_create(AP_MAX_FLOWS, 0);
- if (_ap_instance->fds == NULL) {
- free(_ap_instance);
+ ai->fds = bmp_create(AP_MAX_FLOWS, 0);
+ if (ai->fds == NULL) {
+ free(ai);
return -ENOMEM;
}
- _ap_instance->rdrb = shm_rdrbuff_open();
- if (_ap_instance->rdrb == NULL) {
- bmp_destroy(_ap_instance->fds);
- free(_ap_instance);
+ ai->rdrb = shm_rdrbuff_open();
+ if (ai->rdrb == NULL) {
+ bmp_destroy(ai->fds);
+ free(ai);
return -1;
}
- _ap_instance->rb = shm_ap_rbuff_create_s();
- if (_ap_instance->rb == NULL) {
- shm_rdrbuff_close(_ap_instance->rdrb);
- bmp_destroy(_ap_instance->fds);
- free(_ap_instance);
+ ai->rb = shm_ap_rbuff_create_s();
+ if (ai->rb == NULL) {
+ shm_rdrbuff_close(ai->rdrb);
+ bmp_destroy(ai->fds);
+ free(ai);
return -1;
}
for (i = 0; i < AP_MAX_FLOWS; ++i) {
- _ap_instance->flows[i].rb = NULL;
- _ap_instance->flows[i].port_id = -1;
- _ap_instance->flows[i].oflags = 0;
- _ap_instance->flows[i].api = -1;
- _ap_instance->flows[i].timeout = NULL;
+ ai->flows[i].rb = NULL;
+ ai->flows[i].port_id = -1;
+ ai->flows[i].oflags = 0;
+ ai->flows[i].api = -1;
+ ai->flows[i].timeout = NULL;
}
- pthread_rwlock_init(&_ap_instance->flows_lock, NULL);
- pthread_rwlock_init(&_ap_instance->data_lock, NULL);
+ pthread_rwlock_init(&ai->flows_lock, NULL);
+ pthread_rwlock_init(&ai->data_lock, NULL);
if (ap_name != NULL)
return api_announce(ap_name);
@@ -141,42 +144,45 @@ void ap_fini(void)
{
int i = 0;
- if (_ap_instance == NULL)
+ if (ai == NULL)
return;
- pthread_rwlock_wrlock(&_ap_instance->data_lock);
+ pthread_rwlock_wrlock(&ai->data_lock);
/* remove all remaining sdus */
- while ((i = shm_ap_rbuff_peek_idx(_ap_instance->rb)) >= 0)
- shm_rdrbuff_remove(_ap_instance->rdrb, i);
+ while ((i = shm_ap_rbuff_peek_idx(ai->rb)) >= 0)
+ shm_rdrbuff_remove(ai->rdrb, i);
+
+ if (ai->fds != NULL)
+ bmp_destroy(ai->fds);
+ if (ai->rb != NULL)
+ shm_ap_rbuff_destroy(ai->rb);
+ if (ai->rdrb != NULL)
+ shm_rdrbuff_close(ai->rdrb);
- if (_ap_instance->fds != NULL)
- bmp_destroy(_ap_instance->fds);
- if (_ap_instance->rb != NULL)
- shm_ap_rbuff_destroy(_ap_instance->rb);
- if (_ap_instance->rdrb != NULL)
- shm_rdrbuff_close(_ap_instance->rdrb);
+ if (ai->daf_name != NULL)
+ free(ai->daf_name);
- pthread_rwlock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&ai->flows_lock);
for (i = 0; i < AP_MAX_FLOWS; ++i)
- if (_ap_instance->flows[i].rb != NULL)
- shm_ap_rbuff_close(_ap_instance->flows[i].rb);
+ if (ai->flows[i].rb != NULL)
+ shm_ap_rbuff_close(ai->flows[i].rb);
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
- pthread_rwlock_destroy(&_ap_instance->flows_lock);
- pthread_rwlock_destroy(&_ap_instance->data_lock);
+ pthread_rwlock_destroy(&ai->flows_lock);
+ pthread_rwlock_destroy(&ai->data_lock);
- free(_ap_instance);
+ free(ai);
}
static int port_id_to_fd(int port_id)
{
int i;
for (i = 0; i < AP_MAX_FLOWS; ++i)
- if (_ap_instance->flows[i].port_id == port_id)
+ if (ai->flows[i].port_id == port_id)
return i;
return -1;
}
@@ -190,11 +196,11 @@ int flow_accept(char ** ae_name)
msg.code = IRM_MSG_CODE__IRM_FLOW_ACCEPT;
msg.has_api = true;
- pthread_rwlock_rdlock(&_ap_instance->data_lock);
+ pthread_rwlock_rdlock(&ai->data_lock);
- msg.api = _ap_instance->api;
+ msg.api = ai->api;
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
recv_msg = send_recv_irm_msg_b(&msg);
if (recv_msg == NULL)
@@ -205,22 +211,22 @@ int flow_accept(char ** ae_name)
return -1;
}
- pthread_rwlock_rdlock(&_ap_instance->data_lock);
- pthread_rwlock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&ai->data_lock);
+ pthread_rwlock_wrlock(&ai->flows_lock);
- cfd = bmp_allocate(_ap_instance->fds);
- if (!bmp_is_id_valid(_ap_instance->fds, cfd)) {
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ cfd = bmp_allocate(ai->fds);
+ if (!bmp_is_id_valid(ai->fds, cfd)) {
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
return -1;
}
- _ap_instance->flows[cfd].rb = shm_ap_rbuff_open_n(recv_msg->api);
- if (_ap_instance->flows[cfd].rb == NULL) {
- bmp_release(_ap_instance->fds, cfd);
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ ai->flows[cfd].rb = shm_ap_rbuff_open_n(recv_msg->api);
+ if (ai->flows[cfd].rb == NULL) {
+ bmp_release(ai->fds, cfd);
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
return -1;
}
@@ -228,21 +234,21 @@ int flow_accept(char ** ae_name)
if (ae_name != NULL) {
*ae_name = strdup(recv_msg->ae_name);
if (*ae_name == NULL) {
- shm_ap_rbuff_close(_ap_instance->flows[cfd].rb);
- bmp_release(_ap_instance->fds, cfd);
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ shm_ap_rbuff_close(ai->flows[cfd].rb);
+ bmp_release(ai->fds, cfd);
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
return -ENOMEM;
}
}
- _ap_instance->flows[cfd].port_id = recv_msg->port_id;
- _ap_instance->flows[cfd].oflags = FLOW_O_DEFAULT;
- _ap_instance->flows[cfd].api = recv_msg->api;
+ ai->flows[cfd].port_id = recv_msg->port_id;
+ ai->flows[cfd].oflags = FLOW_O_DEFAULT;
+ ai->flows[cfd].api = recv_msg->api;
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
@@ -261,40 +267,40 @@ int flow_alloc_resp(int fd,
msg.code = IRM_MSG_CODE__IRM_FLOW_ALLOC_RESP;
msg.has_api = true;
- msg.api = _ap_instance->api;
+ msg.api = ai->api;
msg.has_port_id = true;
- pthread_rwlock_rdlock(&_ap_instance->data_lock);
- pthread_rwlock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&ai->data_lock);
+ pthread_rwlock_rdlock(&ai->flows_lock);
- if (_ap_instance->flows[fd].port_id < 0) {
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ if (ai->flows[fd].port_id < 0) {
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return -ENOTALLOC;
}
- msg.port_id = _ap_instance->flows[fd].port_id;
+ msg.port_id = ai->flows[fd].port_id;
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&ai->flows_lock);
msg.has_response = true;
msg.response = response;
recv_msg = send_recv_irm_msg(&msg);
if (recv_msg == NULL) {
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return -1;
}
if (!recv_msg->has_result) {
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
return -1;
}
ret = recv_msg->result;
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
@@ -320,11 +326,11 @@ int flow_alloc(char * dst_name,
msg.ae_name = src_ae_name;
msg.has_api = true;
- pthread_rwlock_rdlock(&_ap_instance->data_lock);
+ pthread_rwlock_rdlock(&ai->data_lock);
- msg.api = _ap_instance->api;
+ msg.api = ai->api;
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
recv_msg = send_recv_irm_msg(&msg);
if (recv_msg == NULL) {
@@ -336,32 +342,32 @@ int flow_alloc(char * dst_name,
return -1;
}
- pthread_rwlock_rdlock(&_ap_instance->data_lock);
- pthread_rwlock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&ai->data_lock);
+ pthread_rwlock_wrlock(&ai->flows_lock);
- fd = bmp_allocate(_ap_instance->fds);
- if (!bmp_is_id_valid(_ap_instance->fds, fd)) {
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ fd = bmp_allocate(ai->fds);
+ if (!bmp_is_id_valid(ai->fds, fd)) {
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
return -1;
}
- _ap_instance->flows[fd].rb = shm_ap_rbuff_open_n(recv_msg->api);
- if (_ap_instance->flows[fd].rb == NULL) {
- bmp_release(_ap_instance->fds, fd);
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ ai->flows[fd].rb = shm_ap_rbuff_open_n(recv_msg->api);
+ if (ai->flows[fd].rb == NULL) {
+ bmp_release(ai->fds, fd);
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
return -1;
}
- _ap_instance->flows[fd].port_id = recv_msg->port_id;
- _ap_instance->flows[fd].oflags = FLOW_O_DEFAULT;
- _ap_instance->flows[fd].api = recv_msg->api;
+ ai->flows[fd].port_id = recv_msg->port_id;
+ ai->flows[fd].oflags = FLOW_O_DEFAULT;
+ ai->flows[fd].api = recv_msg->api;
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
@@ -380,19 +386,19 @@ int flow_alloc_res(int fd)
msg.code = IRM_MSG_CODE__IRM_FLOW_ALLOC_RES;
msg.has_port_id = true;
- pthread_rwlock_rdlock(&_ap_instance->data_lock);
- pthread_rwlock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&ai->data_lock);
+ pthread_rwlock_rdlock(&ai->flows_lock);
- if (_ap_instance->flows[fd].port_id < 0) {
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ if (ai->flows[fd].port_id < 0) {
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return -ENOTALLOC;
}
- msg.port_id = _ap_instance->flows[fd].port_id;
+ msg.port_id = ai->flows[fd].port_id;
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
recv_msg = send_recv_irm_msg_b(&msg);
if (recv_msg == NULL) {
@@ -422,41 +428,41 @@ int flow_dealloc(int fd)
msg.has_api = true;
msg.api = getpid();
- pthread_rwlock_rdlock(&_ap_instance->data_lock);
- pthread_rwlock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&ai->data_lock);
+ pthread_rwlock_wrlock(&ai->flows_lock);
- if (_ap_instance->flows[fd].port_id < 0) {
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ if (ai->flows[fd].port_id < 0) {
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return -ENOTALLOC;
}
- msg.port_id = _ap_instance->flows[fd].port_id;
+ msg.port_id = ai->flows[fd].port_id;
- _ap_instance->flows[fd].port_id = -1;
- shm_ap_rbuff_close(_ap_instance->flows[fd].rb);
- _ap_instance->flows[fd].rb = NULL;
- _ap_instance->flows[fd].api = -1;
+ ai->flows[fd].port_id = -1;
+ shm_ap_rbuff_close(ai->flows[fd].rb);
+ ai->flows[fd].rb = NULL;
+ ai->flows[fd].api = -1;
- bmp_release(_ap_instance->fds, fd);
+ bmp_release(ai->fds, fd);
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ pthread_rwlock_unlock(&ai->flows_lock);
recv_msg = send_recv_irm_msg(&msg);
if (recv_msg == NULL) {
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return -1;
}
if (!recv_msg->has_result) {
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
return -1;
}
ret = recv_msg->result;
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
irm_msg__free_unpacked(recv_msg, NULL);
@@ -470,30 +476,30 @@ int flow_cntl(int fd, int cmd, int oflags)
if (fd < 0 || fd >= AP_MAX_FLOWS)
return -EBADF;
- pthread_rwlock_rdlock(&_ap_instance->data_lock);
- pthread_rwlock_wrlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&ai->data_lock);
+ pthread_rwlock_wrlock(&ai->flows_lock);
- if (_ap_instance->flows[fd].port_id < 0) {
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ if (ai->flows[fd].port_id < 0) {
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return -ENOTALLOC;
}
- old = _ap_instance->flows[fd].oflags;
+ old = ai->flows[fd].oflags;
switch (cmd) {
case FLOW_F_GETFL: /* GET FLOW FLAGS */
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return old;
case FLOW_F_SETFL: /* SET FLOW FLAGS */
- _ap_instance->flows[fd].oflags = oflags;
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ ai->flows[fd].oflags = oflags;
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return old;
default:
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return FLOW_O_INVALID; /* unknown command */
}
}
@@ -509,42 +515,42 @@ ssize_t flow_write(int fd, void * buf, size_t count)
if (fd < 0 || fd >= AP_MAX_FLOWS)
return -EBADF;
- pthread_rwlock_rdlock(&_ap_instance->data_lock);
- pthread_rwlock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&ai->data_lock);
+ pthread_rwlock_rdlock(&ai->flows_lock);
- if (_ap_instance->flows[fd].port_id < 0) {
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ if (ai->flows[fd].port_id < 0) {
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return -ENOTALLOC;
}
- if (_ap_instance->flows[fd].oflags & FLOW_O_NONBLOCK) {
- idx = shm_rdrbuff_write(_ap_instance->rdrb,
- _ap_instance->flows[fd].api,
+ if (ai->flows[fd].oflags & FLOW_O_NONBLOCK) {
+ idx = shm_rdrbuff_write(ai->rdrb,
+ ai->flows[fd].api,
DU_BUFF_HEADSPACE,
DU_BUFF_TAILSPACE,
(uint8_t *) buf,
count);
if (idx == -1) {
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return -EAGAIN;
}
e.index = idx;
- e.port_id = _ap_instance->flows[fd].port_id;
+ e.port_id = ai->flows[fd].port_id;
- if (shm_ap_rbuff_write(_ap_instance->flows[fd].rb, &e) < 0) {
- shm_rdrbuff_remove(_ap_instance->rdrb, idx);
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ if (shm_ap_rbuff_write(ai->flows[fd].rb, &e) < 0) {
+ shm_rdrbuff_remove(ai->rdrb, idx);
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return -1;
}
} else { /* blocking */
- struct shm_rdrbuff * rdrb = _ap_instance->rdrb;
- pid_t api = _ap_instance->flows[fd].api;
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ struct shm_rdrbuff * rdrb = ai->rdrb;
+ pid_t api = ai->flows[fd].api;
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
idx = shm_rdrbuff_write_b(rdrb,
api,
@@ -553,25 +559,25 @@ ssize_t flow_write(int fd, void * buf, size_t count)
(uint8_t *) buf,
count);
- pthread_rwlock_rdlock(&_ap_instance->data_lock);
- pthread_rwlock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&ai->data_lock);
+ pthread_rwlock_rdlock(&ai->flows_lock);
e.index = idx;
- e.port_id = _ap_instance->flows[fd].port_id;
+ e.port_id = ai->flows[fd].port_id;
- while (shm_ap_rbuff_write(_ap_instance->flows[fd].rb, &e) < 0)
+ while (shm_ap_rbuff_write(ai->flows[fd].rb, &e) < 0)
;
}
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return 0;
}
int flow_select(const struct timespec * timeout)
{
- int port_id = shm_ap_rbuff_peek_b(_ap_instance->rb, timeout);
+ int port_id = shm_ap_rbuff_peek_b(ai->rb, timeout);
if (port_id < 0)
return port_id;
return port_id_to_fd(port_id);
@@ -586,47 +592,47 @@ ssize_t flow_read(int fd, void * buf, size_t count)
if (fd < 0 || fd >= AP_MAX_FLOWS)
return -EBADF;
- pthread_rwlock_rdlock(&_ap_instance->data_lock);
- pthread_rwlock_rdlock(&_ap_instance->flows_lock);
+ pthread_rwlock_rdlock(&ai->data_lock);
+ pthread_rwlock_rdlock(&ai->flows_lock);
- if (_ap_instance->flows[fd].port_id < 0) {
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ if (ai->flows[fd].port_id < 0) {
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return -ENOTALLOC;
}
- if (_ap_instance->flows[fd].oflags & FLOW_O_NONBLOCK) {
- idx = shm_ap_rbuff_read_port(_ap_instance->rb,
- _ap_instance->flows[fd].port_id);
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
+ if (ai->flows[fd].oflags & FLOW_O_NONBLOCK) {
+ idx = shm_ap_rbuff_read_port(ai->rb,
+ ai->flows[fd].port_id);
+ pthread_rwlock_unlock(&ai->flows_lock);
} else {
- struct shm_ap_rbuff * rb = _ap_instance->rb;
- int port_id = _ap_instance->flows[fd].port_id;
- struct timespec * timeout = _ap_instance->flows[fd].timeout;
- pthread_rwlock_unlock(&_ap_instance->flows_lock);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ struct shm_ap_rbuff * rb = ai->rb;
+ int port_id = ai->flows[fd].port_id;
+ struct timespec * timeout = ai->flows[fd].timeout;
+ pthread_rwlock_unlock(&ai->flows_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
idx = shm_ap_rbuff_read_port_b(rb, port_id, timeout);
- pthread_rwlock_rdlock(&_ap_instance->data_lock);
+ pthread_rwlock_rdlock(&ai->data_lock);
}
if (idx < 0) {
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return -EAGAIN;
}
- n = shm_rdrbuff_read(&sdu, _ap_instance->rdrb, idx);
+ n = shm_rdrbuff_read(&sdu, ai->rdrb, idx);
if (n < 0) {
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return -1;
}
memcpy(buf, sdu, MIN(n, count));
- shm_rdrbuff_remove(_ap_instance->rdrb, idx);
+ shm_rdrbuff_remove(ai->rdrb, idx);
- pthread_rwlock_unlock(&_ap_instance->data_lock);
+ pthread_rwlock_unlock(&ai->data_lock);
return n;
}