diff options
Diffstat (limited to 'src/lib')
-rw-r--r-- | src/lib/dev.c | 60 | ||||
-rw-r--r-- | src/lib/shm_flow_set.c | 1 | ||||
-rw-r--r-- | src/lib/shm_rbuff.c | 37 |
3 files changed, 37 insertions, 61 deletions
diff --git a/src/lib/dev.c b/src/lib/dev.c index f735e72b..146070b7 100644 --- a/src/lib/dev.c +++ b/src/lib/dev.c @@ -288,7 +288,7 @@ void ap_fini() int idx; while ((idx = shm_rbuff_read(ai.flows[i].rx_rb)) >= 0) shm_rdrbuff_remove(ai.rdrb, idx); - shm_rbuff_destroy(ai.flows[i].rx_rb); + shm_rbuff_close(ai.flows[i].rx_rb); shm_rbuff_close(ai.flows[i].tx_rb); shm_flow_set_close(ai.flows[i].set); } @@ -349,7 +349,7 @@ int flow_accept(char ** ae_name) return -1; } - ai.flows[fd].rx_rb = shm_rbuff_create(recv_msg->port_id); + ai.flows[fd].rx_rb = shm_rbuff_open(ai.api, recv_msg->port_id); if (ai.flows[fd].rx_rb == NULL) { bmp_release(ai.fds, fd); pthread_rwlock_unlock(&ai.flows_lock); @@ -361,7 +361,7 @@ int flow_accept(char ** ae_name) ai.flows[fd].set = shm_flow_set_open(recv_msg->api); if (ai.flows[fd].set == NULL) { bmp_release(ai.fds, fd); - shm_rbuff_destroy(ai.flows[fd].rx_rb); + shm_rbuff_close(ai.flows[fd].rx_rb); shm_rbuff_close(ai.flows[fd].tx_rb); pthread_rwlock_unlock(&ai.flows_lock); pthread_rwlock_unlock(&ai.data_lock); @@ -373,7 +373,7 @@ int flow_accept(char ** ae_name) if (ae_name != NULL) { *ae_name = strdup(recv_msg->ae_name); if (*ae_name == NULL) { - shm_rbuff_destroy(ai.flows[fd].tx_rb); + shm_rbuff_close(ai.flows[fd].tx_rb); shm_rbuff_close(ai.flows[fd].tx_rb); shm_flow_set_close(ai.flows[fd].set); bmp_release(ai.fds, fd); @@ -508,7 +508,7 @@ int flow_alloc(char * dst_name, char * src_ae_name, struct qos_spec * qos) ai.flows[fd].port_id = recv_msg->port_id; ai.flows[fd].oflags = FLOW_O_DEFAULT; ai.flows[fd].api = recv_msg->api; - ai.flows[fd].rx_rb = shm_rbuff_create(recv_msg->port_id); + ai.flows[fd].rx_rb = shm_rbuff_open(ai.api, recv_msg->port_id); if (ai.flows[fd].rx_rb == NULL) { bmp_release(ai.fds, fd); pthread_rwlock_unlock(&ai.flows_lock); @@ -517,27 +517,6 @@ int flow_alloc(char * dst_name, char * src_ae_name, struct qos_spec * qos) return -1; } - ai.flows[fd].tx_rb = shm_rbuff_open(recv_msg->api, recv_msg->port_id); - if (ai.flows[fd].tx_rb == NULL) { - shm_rbuff_destroy(ai.flows[fd].rx_rb); - 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; - } - - ai.flows[fd].set = shm_flow_set_open(recv_msg->api); - if (ai.flows[fd].set == NULL) { - shm_rbuff_close(ai.flows[fd].tx_rb); - shm_rbuff_destroy(ai.flows[fd].rx_rb); - 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; - } - ai.ports[recv_msg->port_id].fd = fd; ai.ports[recv_msg->port_id].state = PORT_ID_ASSIGNED; @@ -572,6 +551,23 @@ int flow_alloc_res(int fd) msg.port_id = ai.flows[fd].port_id; + ai.flows[fd].tx_rb = shm_rbuff_open(ai.flows[fd].api, + ai.flows[fd].port_id); + if (ai.flows[fd].tx_rb == NULL) { + pthread_rwlock_unlock(&ai.flows_lock); + pthread_rwlock_unlock(&ai.data_lock); + irm_msg__free_unpacked(recv_msg, NULL); + return -1; + } + + ai.flows[fd].set = shm_flow_set_open(ai.flows[fd].api); + if (ai.flows[fd].set == NULL) { + pthread_rwlock_unlock(&ai.flows_lock); + pthread_rwlock_unlock(&ai.data_lock); + irm_msg__free_unpacked(recv_msg, NULL); + return -1; + } + pthread_rwlock_unlock(&ai.flows_lock); pthread_rwlock_unlock(&ai.data_lock); @@ -599,7 +595,7 @@ int flow_dealloc(int fd) msg.code = IRM_MSG_CODE__IRM_FLOW_DEALLOC; msg.has_port_id = true; msg.has_api = true; - msg.api = getpid(); + msg.api = ai.api; pthread_rwlock_rdlock(&ai.data_lock); pthread_rwlock_wrlock(&ai.flows_lock); @@ -621,7 +617,7 @@ int flow_dealloc(int fd) port_destroy(&ai.ports[msg.port_id]); ai.flows[fd].port_id = -1; - shm_rbuff_destroy(ai.flows[fd].rx_rb); + shm_rbuff_close(ai.flows[fd].rx_rb); ai.flows[fd].rx_rb = NULL; shm_rbuff_close(ai.flows[fd].tx_rb); ai.flows[fd].tx_rb = NULL; @@ -990,7 +986,7 @@ int np1_flow_alloc(pid_t n_api, int port_id) return -1; } - ai.flows[fd].rx_rb = shm_rbuff_create(port_id); + ai.flows[fd].rx_rb = shm_rbuff_open(ai.api, port_id); if (ai.flows[fd].rx_rb == NULL) { bmp_release(ai.fds, fd); pthread_rwlock_unlock(&ai.flows_lock); @@ -1046,7 +1042,7 @@ int np1_flow_resp(pid_t n_api, int port_id) ai.flows[fd].tx_rb = shm_rbuff_open(n_api, port_id); if (ai.flows[fd].tx_rb == NULL) { ai.flows[fd].port_id = -1; - shm_rbuff_destroy(ai.flows[fd].rx_rb); + shm_rbuff_close(ai.flows[fd].rx_rb); port_destroy(&ai.ports[port_id]); pthread_rwlock_unlock(&ai.flows_lock); pthread_rwlock_unlock(&ai.data_lock); @@ -1057,7 +1053,7 @@ int np1_flow_resp(pid_t n_api, int port_id) if (ai.flows[fd].set == NULL) { shm_rbuff_close(ai.flows[fd].tx_rb); ai.flows[fd].port_id = -1; - shm_rbuff_destroy(ai.flows[fd].rx_rb); + shm_rbuff_close(ai.flows[fd].rx_rb); port_destroy(&ai.ports[port_id]); pthread_rwlock_unlock(&ai.flows_lock); pthread_rwlock_unlock(&ai.data_lock); @@ -1143,7 +1139,7 @@ int ipcp_flow_req_arr(pid_t api, char * dst_name, char * src_ae_name) pthread_rwlock_rdlock(&ai.data_lock); pthread_rwlock_wrlock(&ai.flows_lock); - ai.flows[fd].rx_rb = shm_rbuff_create(port_id); + ai.flows[fd].rx_rb = shm_rbuff_open(ai.api, port_id); if (ai.flows[fd].rx_rb == NULL) { ai.flows[fd].port_id = -1; port_destroy(&ai.ports[port_id]); diff --git a/src/lib/shm_flow_set.c b/src/lib/shm_flow_set.c index c960bd25..04de9fc5 100644 --- a/src/lib/shm_flow_set.c +++ b/src/lib/shm_flow_set.c @@ -315,7 +315,6 @@ int shm_flow_set_has(struct shm_flow_set * shm_set, assert(!(port_id < 0) && port_id < IRMD_MAX_FLOWS); assert(!(idx < 0) && idx < AP_MAX_FQUEUES); - pthread_mutex_lock(shm_set->lock); if (shm_set->mtable[port_id] == idx) diff --git a/src/lib/shm_rbuff.c b/src/lib/shm_rbuff.c index cf094488..a933fbff 100644 --- a/src/lib/shm_rbuff.c +++ b/src/lib/shm_rbuff.c @@ -68,7 +68,7 @@ struct shm_rbuff { int port_id; /* port_id of the flow */ }; -struct shm_rbuff * shm_rbuff_create(int port_id) +struct shm_rbuff * shm_rbuff_create(pid_t api, int port_id) { struct shm_rbuff * rb; int shm_fd; @@ -78,7 +78,7 @@ struct shm_rbuff * shm_rbuff_create(int port_id) char fn[FN_MAX_CHARS]; mode_t mask; - sprintf(fn, SHM_RBUFF_PREFIX "%d.%d", getpid(), port_id); + sprintf(fn, SHM_RBUFF_PREFIX "%d.%d", api, port_id); rb = malloc(sizeof(*rb)); if (rb == NULL) { @@ -148,9 +148,12 @@ struct shm_rbuff * shm_rbuff_create(int port_id) *rb->head = 0; *rb->tail = 0; - rb->api = getpid(); + rb->api = api; rb->port_id = port_id; + if (munmap(rb->shm_base, SHM_RBUFF_FILE_SIZE) == -1) + LOG_DBG("Couldn't unmap shared memory."); + return rb; } @@ -221,36 +224,14 @@ void shm_rbuff_close(struct shm_rbuff * rb) void shm_rbuff_destroy(struct shm_rbuff * rb) { char fn[25]; - struct lockfile * lf = NULL; - - assert(rb); - if (rb->api != getpid()) { - lf = lockfile_open(); - if (lf == NULL) { - LOG_ERR("Failed to open lockfile."); - return; - } - - if (lockfile_owner(lf) == getpid()) { - LOG_DBG("Ringbuffer %d destroyed by IRMd %d.", - rb->api, getpid()); - lockfile_close(lf); - } else { - LOG_ERR("AP-I %d tried to destroy rbuff owned by %d.", - getpid(), rb->api); - lockfile_close(lf); - return; - } - } + if (rb == NULL) + return; sprintf(fn, SHM_RBUFF_PREFIX "%d.%d", rb->api, rb->port_id); - if (munmap(rb->shm_base, SHM_RBUFF_FILE_SIZE) == -1) - LOG_DBG("Couldn't unmap shared memory."); - if (shm_unlink(fn) == -1) - LOG_DBG("Failed to unlink shm."); + LOG_DBG("Failed to unlink shm %s.", fn); free(rb); } |