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-rw-r--r--src/ipcpd/normal/fmgr.c638
1 files changed, 428 insertions, 210 deletions
diff --git a/src/ipcpd/normal/fmgr.c b/src/ipcpd/normal/fmgr.c
index b6ec1984..8c627641 100644
--- a/src/ipcpd/normal/fmgr.c
+++ b/src/ipcpd/normal/fmgr.c
@@ -27,6 +27,8 @@
#include <ouroboros/dev.h>
#include <ouroboros/list.h>
#include <ouroboros/ipcp-dev.h>
+#include <ouroboros/select.h>
+#include <ouroboros/errno.h>
#include <stdlib.h>
#include <stdbool.h>
@@ -37,38 +39,46 @@
#include "ribmgr.h"
#include "frct.h"
#include "ipcp.h"
+#include "shm_pci.h"
#include "flow_alloc.pb-c.h"
typedef FlowAllocMsg flow_alloc_msg_t;
-struct n_flow {
- int fd;
- struct frct_i * frct_i;
- enum qos_cube qos;
+#define FD_UPDATE_TIMEOUT 100 /* microseconds */
- struct list_head next;
+struct np1_flow {
+ int fd;
+ cep_id_t cep_id;
+ enum qos_cube qos;
};
-struct n_1_flow {
- int fd;
- char * ae_name;
- struct list_head next;
+struct nm1_flow {
+ int fd;
+ char * ae_name;
+ enum qos_cube qos;
};
struct {
- pthread_t listen_thread;
-
- struct list_head n_1_flows;
- pthread_mutex_t n_1_flows_lock;
-
- struct list_head n_flows;
- /* FIXME: Make this a read/write lock */
- pthread_mutex_t n_flows_lock;
+ pthread_t nm1_flow_acceptor;
+ struct nm1_flow ** nm1_flows;
+ pthread_rwlock_t nm1_flows_lock;
+ flow_set_t * nm1_set;
+
+ struct np1_flow ** np1_flows;
+ struct np1_flow ** np1_flows_cep;
+ pthread_rwlock_t np1_flows_lock;
+ flow_set_t * np1_set;
+ pthread_t np1_sdu_reader;
+
+ /* FIXME: Replace with PFF */
+ int fd;
} fmgr;
-static int add_n_1_fd(int fd, char * ae_name)
+static int add_nm1_fd(int fd,
+ char * ae_name,
+ enum qos_cube qos)
{
- struct n_1_flow * tmp;
+ struct nm1_flow * tmp;
if (ae_name == NULL)
return -1;
@@ -79,19 +89,41 @@ static int add_n_1_fd(int fd, char * ae_name)
tmp->fd = fd;
tmp->ae_name = ae_name;
+ tmp->qos = qos;
- INIT_LIST_HEAD(&tmp->next);
+ pthread_rwlock_wrlock(&fmgr.nm1_flows_lock);
+ fmgr.nm1_flows[fd] = tmp;
+ pthread_rwlock_unlock(&fmgr.nm1_flows_lock);
- pthread_mutex_lock(&fmgr.n_1_flows_lock);
- list_add(&tmp->next, &fmgr.n_1_flows);
- pthread_mutex_unlock(&fmgr.n_1_flows_lock);
+ /* FIXME: Temporary, until we have a PFF */
+ fmgr.fd = fd;
return 0;
}
-static void * fmgr_listen(void * o)
+static int add_np1_fd(int fd,
+ cep_id_t cep_id,
+ enum qos_cube qos)
{
- int fd;
+ struct np1_flow * flow;
+
+ flow = malloc(sizeof(*flow));
+ if (flow == NULL)
+ return -1;
+
+ flow->cep_id = cep_id;
+ flow->qos = qos;
+ flow->fd = fd;
+
+ fmgr.np1_flows[fd] = flow;
+ fmgr.np1_flows_cep[fd] = flow;
+
+ return 0;
+}
+
+static void * fmgr_nm1_acceptor(void * o)
+{
+ int fd;
char * ae_name;
while (true) {
@@ -137,16 +169,8 @@ static void * fmgr_listen(void * o)
}
}
- if (strcmp(ae_name, DT_AE) == 0) {
- /* FIXME: Pass correct QoS cube */
- if (frct_dt_flow(fd, 0)) {
- LOG_ERR("Failed to hand fd to FRCT.");
- flow_dealloc(fd);
- continue;
- }
- }
-
- if (add_n_1_fd(fd, ae_name)) {
+ /* FIXME: Pass correct QoS cube */
+ if (add_nm1_fd(fd, ae_name, QOS_CUBE_BE)) {
LOG_ERR("Failed to add file descriptor to list.");
flow_dealloc(fd);
continue;
@@ -156,169 +180,215 @@ static void * fmgr_listen(void * o)
return (void *) 0;
}
-int fmgr_init()
+static void * fmgr_np1_sdu_reader(void * o)
{
- INIT_LIST_HEAD(&fmgr.n_1_flows);
- INIT_LIST_HEAD(&fmgr.n_flows);
+ struct shm_du_buff * sdb;
+ struct timespec timeout = {0, FD_UPDATE_TIMEOUT};
+ struct np1_flow * flow;
- pthread_mutex_init(&fmgr.n_1_flows_lock, NULL);
- pthread_mutex_init(&fmgr.n_flows_lock, NULL);
-
- pthread_create(&fmgr.listen_thread, NULL, fmgr_listen, NULL);
+ while (true) {
+ int fd = flow_select(fmgr.np1_set, &timeout);
+ if (fd == -ETIMEDOUT)
+ continue;
- return 0;
-}
+ if (fd < 0) {
+ LOG_ERR("Failed to get active fd.");
+ continue;
+ }
-int fmgr_fini()
-{
- struct list_head * pos = NULL;
+ if (ipcp_flow_read(fd, &sdb)) {
+ LOG_ERR("Failed to read SDU from fd %d.", fd);
+ continue;
+ }
- pthread_cancel(fmgr.listen_thread);
+ pthread_rwlock_rdlock(&fmgr.np1_flows_lock);
+ flow = fmgr.np1_flows[fd];
+ if (flow == NULL) {
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
+ ipcp_flow_del(sdb);
+ LOG_ERR("Failed to retrieve flow.");
+ continue;
+ }
- pthread_join(fmgr.listen_thread, NULL);
+ if (frct_i_write_sdu(flow->cep_id, sdb)) {
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
+ ipcp_flow_del(sdb);
+ LOG_ERR("Failed to hand SDU to FRCT.");
+ continue;
+ }
- list_for_each(pos, &fmgr.n_1_flows) {
- struct n_1_flow * e = list_entry(pos, struct n_1_flow, next);
- if (e->ae_name != NULL)
- free(e->ae_name);
- if (ribmgr_remove_flow(e->fd))
- LOG_ERR("Failed to remove management flow.");
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
}
- pthread_mutex_destroy(&fmgr.n_1_flows_lock);
- pthread_mutex_destroy(&fmgr.n_flows_lock);
-
- return 0;
+ return (void *) 0;
}
-int fmgr_mgmt_flow(char * dst_name)
+void * fmgr_nm1_sdu_reader(void * o)
{
- int fd;
- int result;
- char * ae_name;
+ struct timespec timeout = {0, FD_UPDATE_TIMEOUT};
+ struct shm_du_buff * sdb;
+ struct pci * pci;
- ae_name = strdup(MGMT_AE);
- if (ae_name == NULL)
- return -1;
+ while (true) {
+ int fd = flow_select(fmgr.nm1_set, &timeout);
+ if (fd == -ETIMEDOUT)
+ continue;
- /* FIXME: Request retransmission. */
- fd = flow_alloc(dst_name, MGMT_AE, NULL);
- if (fd < 0) {
- LOG_ERR("Failed to allocate flow to %s", dst_name);
- free(ae_name);
- return -1;
- }
+ if (fd < 0) {
+ LOG_ERR("Failed to get active fd.");
+ continue;
+ }
- result = flow_alloc_res(fd);
- if (result < 0) {
- LOG_ERR("Result of flow allocation to %s is %d",
- dst_name, result);
- free(ae_name);
- return -1;
- }
+ if (ipcp_flow_read(fd, &sdb)) {
+ LOG_ERR("Failed to read SDU from fd %d.", fd);
+ continue;
+ }
- if (ribmgr_add_flow(fd)) {
- LOG_ERR("Failed to hand file descriptor to RIB manager");
- flow_dealloc(fd);
- free(ae_name);
- return -1;
- }
+ pci = shm_pci_des(sdb);
+ if (pci == NULL) {
+ LOG_ERR("Failed to get PCI.");
+ ipcp_flow_del(sdb);
+ continue;
+ }
- if (add_n_1_fd(fd, ae_name)) {
- LOG_ERR("Failed to add file descriptor to list.");
- flow_dealloc(fd);
- return -1;
+ if (pci->dst_addr != ribmgr_address()) {
+ LOG_DBG("PDU needs to be forwarded.");
+
+ if (pci->ttl == 0) {
+ LOG_DBG("TTL was zero.");
+ ipcp_flow_del(sdb);
+ free(pci);
+ continue;
+ }
+
+ if (shm_pci_dec_ttl(sdb)) {
+ LOG_ERR("Failed to decrease TTL.");
+ ipcp_flow_del(sdb);
+ free(pci);
+ continue;
+ }
+ /*
+ * FIXME: Dropping for now, since
+ * we don't have a PFF yet
+ */
+ ipcp_flow_del(sdb);
+ free(pci);
+ continue;
+ }
+
+ if (shm_pci_shrink(sdb)) {
+ LOG_ERR("Failed to shrink PDU.");
+ ipcp_flow_del(sdb);
+ free(pci);
+ continue;
+ }
+
+ if (frct_nm1_post_sdu(pci, sdb)) {
+ LOG_ERR("Failed to hand PDU to FRCT.");
+ ipcp_flow_del(sdb);
+ free(pci);
+ continue;
+ }
}
- return 0;
+ return (void *) 0;
}
-int fmgr_dt_flow(char * dst_name, enum qos_cube qos)
+int fmgr_init()
{
- int fd;
- int result;
- char * ae_name;
+ int i;
- ae_name = strdup(DT_AE);
- if (ae_name == NULL)
+ fmgr.nm1_flows = malloc(sizeof(*(fmgr.nm1_flows)) * IRMD_MAX_FLOWS);
+ if (fmgr.nm1_flows == NULL)
return -1;
- /* FIXME: Map qos cube on correct QoS. */
- fd = flow_alloc(dst_name, DT_AE, NULL);
- if (fd < 0) {
- LOG_ERR("Failed to allocate flow to %s", dst_name);
- free(ae_name);
+ fmgr.np1_flows = malloc(sizeof(*(fmgr.np1_flows)) * IRMD_MAX_FLOWS);
+ if (fmgr.np1_flows == NULL) {
+ free(fmgr.nm1_flows);
return -1;
}
- result = flow_alloc_res(fd);
- if (result < 0) {
- LOG_ERR("Result of flow allocation to %s is %d",
- dst_name, result);
- free(ae_name);
+ fmgr.np1_flows_cep =
+ malloc(sizeof(*(fmgr.np1_flows_cep)) * IRMD_MAX_FLOWS);
+ if (fmgr.np1_flows_cep == NULL) {
+ free(fmgr.np1_flows);
+ free(fmgr.nm1_flows);
return -1;
}
- if (frct_dt_flow(fd, qos)) {
- LOG_ERR("Failed to hand file descriptor to FRCT");
- flow_dealloc(fd);
- free(ae_name);
+ for (i = 0; i < IRMD_MAX_FLOWS; i++) {
+ fmgr.nm1_flows[i] = NULL;
+ fmgr.np1_flows[i] = NULL;
+ fmgr.np1_flows_cep[i] = NULL;
+ }
+
+ pthread_rwlock_init(&fmgr.nm1_flows_lock, NULL);
+ pthread_rwlock_init(&fmgr.np1_flows_lock, NULL);
+
+ fmgr.np1_set = flow_set_create();
+ if (fmgr.np1_set == NULL) {
+ free(fmgr.np1_flows_cep);
+ free(fmgr.np1_flows);
+ free(fmgr.nm1_flows);
return -1;
}
- if (add_n_1_fd(fd, ae_name)) {
- LOG_ERR("Failed to add file descriptor to list.");
- flow_dealloc(fd);
- free(ae_name);
+ fmgr.nm1_set = flow_set_create();
+ if (fmgr.nm1_set == NULL) {
+ flow_set_destroy(fmgr.np1_set);
+ free(fmgr.np1_flows_cep);
+ free(fmgr.np1_flows);
+ free(fmgr.nm1_flows);
return -1;
}
+ pthread_create(&fmgr.nm1_flow_acceptor, NULL, fmgr_nm1_acceptor, NULL);
+ pthread_create(&fmgr.np1_sdu_reader, NULL, fmgr_np1_sdu_reader, NULL);
+
return 0;
}
-/* Call under n_flows lock */
-static struct n_flow * get_n_flow_by_fd(int fd)
+int fmgr_fini()
{
- struct list_head * pos = NULL;
+ int i;
- list_for_each(pos, &fmgr.n_flows) {
- struct n_flow * e = list_entry(pos, struct n_flow, next);
- if (e->fd == fd)
- return e;
- }
+ pthread_cancel(fmgr.nm1_flow_acceptor);
+ pthread_cancel(fmgr.np1_sdu_reader);
- return NULL;
-}
+ pthread_join(fmgr.nm1_flow_acceptor, NULL);
+ pthread_join(fmgr.np1_sdu_reader, NULL);
-/* Call under n_flows lock */
-static struct n_flow * get_n_flow_by_frct_i(struct frct_i * frct_i)
-{
- struct list_head * pos = NULL;
-
- list_for_each(pos, &fmgr.n_flows) {
- struct n_flow * e = list_entry(pos, struct n_flow, next);
- if (e->frct_i == frct_i)
- return e;
+ for (i = 0; i < IRMD_MAX_FLOWS; i++) {
+ if (fmgr.nm1_flows[i] == NULL)
+ continue;
+ if (fmgr.nm1_flows[i]->ae_name != NULL)
+ free(fmgr.nm1_flows[i]->ae_name);
+ if (ribmgr_remove_flow(fmgr.nm1_flows[i]->fd))
+ LOG_ERR("Failed to remove management flow.");
}
- return NULL;
+ pthread_rwlock_destroy(&fmgr.nm1_flows_lock);
+ pthread_rwlock_destroy(&fmgr.np1_flows_lock);
+
+ flow_set_destroy(fmgr.nm1_set);
+ flow_set_destroy(fmgr.np1_set);
+ free(fmgr.np1_flows_cep);
+ free(fmgr.np1_flows);
+ free(fmgr.nm1_flows);
+
+ return 0;
}
-int fmgr_flow_alloc(int fd,
+int fmgr_np1_alloc(int fd,
char * dst_ap_name,
char * src_ae_name,
enum qos_cube qos)
{
- struct n_flow * flow;
- struct frct_i * frct_i;
+ cep_id_t cep_id;
uint32_t address = 0;
buffer_t buf;
flow_alloc_msg_t msg = FLOW_ALLOC_MSG__INIT;
- flow = malloc(sizeof(*flow));
- if (flow == NULL)
- return -1;
-
/* FIXME: Obtain correct address here from DIF NSM */
msg.code = FLOW_ALLOC_CODE__FLOW_REQ;
@@ -328,53 +398,47 @@ int fmgr_flow_alloc(int fd,
msg.has_qos_cube = true;
buf.len = flow_alloc_msg__get_packed_size(&msg);
- if (buf.len == 0) {
- free(flow);
+ if (buf.len == 0)
return -1;
- }
buf.data = malloc(buf.len);
- if (buf.data == NULL) {
- free(flow);
+ if (buf.data == NULL)
return -1;
- }
flow_alloc_msg__pack(&msg, buf.data);
- pthread_mutex_lock(&fmgr.n_flows_lock);
+ pthread_rwlock_wrlock(&fmgr.np1_flows_lock);
- frct_i = frct_i_create(address, &buf, qos);
- if (frct_i == NULL) {
+ cep_id = frct_i_create(address, &buf, qos);
+ if (cep_id == INVALID_CEP_ID) {
free(buf.data);
- free(flow);
- pthread_mutex_unlock(&fmgr.n_flows_lock);
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
return -1;
}
free(buf.data);
- flow->fd = fd;
- flow->frct_i = frct_i;
- flow->qos = qos;
-
- INIT_LIST_HEAD(&flow->next);
-
- list_add(&flow->next, &fmgr.n_flows);
+ if (add_np1_fd(fd, cep_id, qos)) {
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
+ return -1;
+ }
- pthread_mutex_unlock(&fmgr.n_flows_lock);
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
return 0;
}
-/* Call under n_flows lock */
-static int n_flow_dealloc(int fd)
+/* Call under np1_flows lock */
+static int np1_flow_dealloc(int fd)
{
- struct n_flow * flow;
+ struct np1_flow * flow;
flow_alloc_msg_t msg = FLOW_ALLOC_MSG__INIT;
buffer_t buf;
int ret;
- flow = get_n_flow_by_fd(fd);
+ flow_set_del(fmgr.np1_set, fd);
+
+ flow = fmgr.np1_flows[fd];
if (flow == NULL)
return -1;
@@ -390,8 +454,10 @@ static int n_flow_dealloc(int fd)
flow_alloc_msg__pack(&msg, buf.data);
- ret = frct_i_destroy(flow->frct_i, &buf);
- list_del(&flow->next);
+ ret = frct_i_destroy(flow->cep_id, &buf);
+
+ fmgr.np1_flows[fd] = NULL;
+ fmgr.np1_flows_cep[flow->cep_id] = NULL;
free(flow);
free(buf.data);
@@ -399,17 +465,17 @@ static int n_flow_dealloc(int fd)
return ret;
}
-int fmgr_flow_alloc_resp(int fd, int response)
+int fmgr_np1_alloc_resp(int fd, int response)
{
- struct n_flow * flow;
+ struct np1_flow * flow;
flow_alloc_msg_t msg = FLOW_ALLOC_MSG__INIT;
buffer_t buf;
- pthread_mutex_lock(&fmgr.n_flows_lock);
+ pthread_rwlock_wrlock(&fmgr.np1_flows_lock);
- flow = get_n_flow_by_fd(fd);
+ flow = fmgr.np1_flows[fd];
if (flow == NULL) {
- pthread_mutex_unlock(&fmgr.n_flows_lock);
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
return -1;
}
@@ -419,95 +485,91 @@ int fmgr_flow_alloc_resp(int fd, int response)
buf.len = flow_alloc_msg__get_packed_size(&msg);
if (buf.len == 0) {
- pthread_mutex_unlock(&fmgr.n_flows_lock);
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
return -1;
}
buf.data = malloc(buf.len);
if (buf.data == NULL) {
- pthread_mutex_unlock(&fmgr.n_flows_lock);
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
return -1;
}
flow_alloc_msg__pack(&msg, buf.data);
if (response < 0) {
- frct_i_destroy(flow->frct_i, &buf);
+ frct_i_destroy(flow->cep_id, &buf);
free(buf.data);
- list_del(&flow->next);
+ fmgr.np1_flows[fd] = NULL;
+ fmgr.np1_flows_cep[flow->cep_id] = NULL;
free(flow);
- } else if (frct_i_accept(flow->frct_i, &buf)) {
- pthread_mutex_unlock(&fmgr.n_flows_lock);
- return -1;
+ } else {
+ if (frct_i_accept(flow->cep_id, &buf, flow->qos)) {
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
+ return -1;
+ }
+ flow_set_add(fmgr.np1_set, fd);
}
- pthread_mutex_unlock(&fmgr.n_flows_lock);
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
return 0;
}
-int fmgr_flow_dealloc(int fd)
+int fmgr_np1_dealloc(int fd)
{
int ret;
- pthread_mutex_lock(&fmgr.n_flows_lock);
- ret = n_flow_dealloc(fd);
- pthread_mutex_unlock(&fmgr.n_flows_lock);
+ pthread_rwlock_wrlock(&fmgr.np1_flows_lock);
+ ret = np1_flow_dealloc(fd);
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
return ret;
}
-int fmgr_flow_alloc_msg(struct frct_i * frct_i, buffer_t * buf)
+int fmgr_np1_post_buf(cep_id_t cep_id,
+ buffer_t * buf)
{
- struct n_flow * flow;
+ struct np1_flow * flow;
int ret = 0;
int fd;
flow_alloc_msg_t * msg;
- pthread_mutex_lock(&fmgr.n_flows_lock);
+ pthread_rwlock_wrlock(&fmgr.np1_flows_lock);
/* Depending on the message call the function in ipcp-dev.h */
msg = flow_alloc_msg__unpack(NULL, buf->len, buf->data);
if (msg == NULL) {
- pthread_mutex_unlock(&fmgr.n_flows_lock);
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
LOG_ERR("Failed to unpack flow alloc message");
return -1;
}
switch (msg->code) {
case FLOW_ALLOC_CODE__FLOW_REQ:
- flow = malloc(sizeof(*flow));
- if (flow == NULL) {
- pthread_mutex_unlock(&fmgr.n_flows_lock);
- flow_alloc_msg__free_unpacked(msg, NULL);
- return -1;
- }
-
- flow->frct_i = frct_i;
- flow->qos = msg->qos_cube;
-
fd = ipcp_flow_req_arr(getpid(),
msg->dst_name,
msg->src_ae_name);
if (fd < 0) {
- pthread_mutex_unlock(&fmgr.n_flows_lock);
- free(flow);
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
flow_alloc_msg__free_unpacked(msg, NULL);
LOG_ERR("Failed to get fd for flow.");
return -1;
}
- flow->fd = fd;
-
- INIT_LIST_HEAD(&flow->next);
+ if (add_np1_fd(fd, cep_id, msg->qos_cube)) {
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
+ flow_alloc_msg__free_unpacked(msg, NULL);
+ LOG_ERR("Failed to add np1 flow.");
+ return -1;
+ }
- list_add(&flow->next, &fmgr.n_flows);
break;
case FLOW_ALLOC_CODE__FLOW_REPLY:
- flow = get_n_flow_by_frct_i(frct_i);
+ flow = fmgr.np1_flows_cep[cep_id];
if (flow == NULL) {
- pthread_mutex_unlock(&fmgr.n_flows_lock);
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
flow_alloc_msg__free_unpacked(msg, NULL);
LOG_ERR("No such flow in flow manager.");
return -1;
@@ -515,20 +577,25 @@ int fmgr_flow_alloc_msg(struct frct_i * frct_i, buffer_t * buf)
ret = ipcp_flow_alloc_reply(flow->fd, msg->response);
if (msg->response < 0) {
- list_del(&flow->next);
+ fmgr.np1_flows[flow->fd] = NULL;
+ fmgr.np1_flows_cep[cep_id] = NULL;
free(flow);
+ } else {
+ flow_set_add(fmgr.np1_set, flow->fd);
}
break;
case FLOW_ALLOC_CODE__FLOW_DEALLOC:
- flow = get_n_flow_by_frct_i(frct_i);
+ flow = fmgr.np1_flows_cep[cep_id];
if (flow == NULL) {
- pthread_mutex_unlock(&fmgr.n_flows_lock);
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
flow_alloc_msg__free_unpacked(msg, NULL);
LOG_ERR("No such flow in flow manager.");
return -1;
}
+ flow_set_del(fmgr.np1_set, flow->fd);
+
ret = flow_dealloc(flow->fd);
break;
default:
@@ -537,9 +604,160 @@ int fmgr_flow_alloc_msg(struct frct_i * frct_i, buffer_t * buf)
break;
}
- pthread_mutex_unlock(&fmgr.n_flows_lock);
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
flow_alloc_msg__free_unpacked(msg, NULL);
return ret;
}
+
+int fmgr_np1_post_sdu(cep_id_t cep_id,
+ struct shm_du_buff * sdb)
+{
+ struct np1_flow * flow;
+
+ pthread_rwlock_rdlock(&fmgr.np1_flows_lock);
+
+ flow = fmgr.np1_flows_cep[cep_id];
+ if (flow == NULL) {
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
+ LOG_ERR("Failed to find N flow.");
+ return -1;
+ }
+
+ if (ipcp_flow_write(flow->fd, sdb)) {
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
+ LOG_ERR("Failed to hand SDU to N flow.");
+ return -1;
+ }
+
+ pthread_rwlock_unlock(&fmgr.np1_flows_lock);
+
+ return 0;
+}
+
+int fmgr_nm1_mgmt_flow(char * dst_name)
+{
+ int fd;
+ int result;
+ char * ae_name;
+
+ ae_name = strdup(MGMT_AE);
+ if (ae_name == NULL)
+ return -1;
+
+ /* FIXME: Request retransmission. */
+ fd = flow_alloc(dst_name, MGMT_AE, NULL);
+ if (fd < 0) {
+ LOG_ERR("Failed to allocate flow to %s", dst_name);
+ free(ae_name);
+ return -1;
+ }
+
+ result = flow_alloc_res(fd);
+ if (result < 0) {
+ LOG_ERR("Result of flow allocation to %s is %d",
+ dst_name, result);
+ free(ae_name);
+ return -1;
+ }
+
+ if (ribmgr_add_flow(fd)) {
+ LOG_ERR("Failed to hand file descriptor to RIB manager");
+ flow_dealloc(fd);
+ free(ae_name);
+ return -1;
+ }
+
+ /* FIXME: Pass correct QoS cube */
+ if (add_nm1_fd(fd, ae_name, QOS_CUBE_BE)) {
+ LOG_ERR("Failed to add file descriptor to list.");
+ flow_dealloc(fd);
+ return -1;
+ }
+
+ return 0;
+}
+
+int fmgr_nm1_dt_flow(char * dst_name,
+ enum qos_cube qos)
+{
+ int fd;
+ int result;
+ char * ae_name;
+
+ ae_name = strdup(DT_AE);
+ if (ae_name == NULL)
+ return -1;
+
+ /* FIXME: Map qos cube on correct QoS. */
+ fd = flow_alloc(dst_name, DT_AE, NULL);
+ if (fd < 0) {
+ LOG_ERR("Failed to allocate flow to %s", dst_name);
+ free(ae_name);
+ return -1;
+ }
+
+ result = flow_alloc_res(fd);
+ if (result < 0) {
+ LOG_ERR("Result of flow allocation to %s is %d",
+ dst_name, result);
+ free(ae_name);
+ return -1;
+ }
+
+ if (add_nm1_fd(fd, ae_name, qos)) {
+ LOG_ERR("Failed to add file descriptor to list.");
+ flow_dealloc(fd);
+ free(ae_name);
+ return -1;
+ }
+
+ return 0;
+}
+
+int fmgr_nm1_write_sdu(struct pci * pci,
+ struct shm_du_buff * sdb)
+{
+ if (pci == NULL || sdb == NULL)
+ return -1;
+
+ if (shm_pci_ser(sdb, pci)) {
+ LOG_ERR("Failed to serialize PDU.");
+ ipcp_flow_del(sdb);
+ return -1;
+ }
+
+ if (ipcp_flow_write(fmgr.fd, sdb)) {
+ LOG_ERR("Failed to write SDU to fd %d.", fmgr.fd);
+ ipcp_flow_del(sdb);
+ return -1;
+ }
+
+ return 0;
+}
+
+int fmgr_nm1_write_buf(struct pci * pci,
+ buffer_t * buf)
+{
+ buffer_t * buffer;
+
+ if (pci == NULL || buf == NULL || buf->data == NULL)
+ return -1;
+
+ buffer = shm_pci_ser_buf(buf, pci);
+ if (buffer == NULL) {
+ LOG_ERR("Failed to serialize buffer.");
+ free(buf->data);
+ return -1;
+ }
+
+ if (flow_write(fmgr.fd, buffer->data, buffer->len) == -1) {
+ LOG_ERR("Failed to write buffer to fd.");
+ free(buffer);
+ return -1;
+ }
+
+ free(buffer);
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-01 23:16:31 +0000