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Diffstat (limited to 'src/ipcpd/normal/main.c')
-rw-r--r--src/ipcpd/normal/main.c352
1 files changed, 241 insertions, 111 deletions
diff --git a/src/ipcpd/normal/main.c b/src/ipcpd/normal/main.c
index c1bae0d6..b9cc6e57 100644
--- a/src/ipcpd/normal/main.c
+++ b/src/ipcpd/normal/main.c
@@ -3,7 +3,8 @@
*
* Normal IPC Process
*
- * Sander Vrijders <sander.vrijders@intec.ugent.be>
+ * Sander Vrijders <sander.vrijders@intec.ugent.be>
+ * Dimitri Staessens <dimitri.staessens@intec.ugent.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -27,12 +28,17 @@
#include <ouroboros/ipcp-dev.h>
#include <ouroboros/time_utils.h>
#include <ouroboros/irm.h>
+#include <ouroboros/rib.h>
+#include <ouroboros/irm_config.h>
+#include "addr_auth.h"
+#include "ae.h"
+#include "dir.h"
+#include "enroll.h"
#include "fmgr.h"
-#include "ribmgr.h"
-#include "ipcp.h"
#include "frct.h"
-#include "dir.h"
+#include "ipcp.h"
+#include "ribmgr.h"
#include <stdbool.h>
#include <signal.h>
@@ -40,13 +46,19 @@
#include <pthread.h>
#include <string.h>
#include <errno.h>
+#include <assert.h>
-#define THIS_TYPE IPCP_NORMAL
+#define DLR "/"
+#define DIF_PATH DLR DIF_NAME
+#define BOOT_PATH DLR BOOT_NAME
+#define MEMBERS_PATH DLR MEMBERS_NAME
-/* global for trapping signal */
-int irmd_api;
+#define THIS_TYPE IPCP_NORMAL
-pthread_t acceptor;
+struct {
+ pthread_t acceptor;
+ struct addr_auth * auth;
+} normal;
void ipcp_sig_handler(int sig,
siginfo_t * info,
@@ -101,8 +113,10 @@ static void * flow_acceptor(void * o)
LOG_DBG("New flow allocation request for AE %s.", ae_name);
- if (strcmp(ae_name, MGMT_AE) == 0) {
- ribmgr_add_nm1_flow(fd);
+ if (strcmp(ae_name, ENROLL_AE) == 0) {
+ enroll_handle(fd);
+ } else if (strcmp(ae_name, MGMT_AE) == 0) {
+ ribmgr_flow_arr(fd, qs);
} else if (strcmp(ae_name, DT_AE) == 0) {
fmgr_nm1_flow_arr(fd, qs);
} else {
@@ -119,164 +133,269 @@ static void * flow_acceptor(void * o)
return (void *) 0;
}
-static int normal_ipcp_enroll(char * dst_name)
+/*
+ * Boots the IPCP off information in the rib.
+ * Common function after bootstrap or enroll.
+ * Call under ipcpi.state_lock
+ */
+static int boot_components(void)
{
- int ret;
+ char buf[256];
+ ssize_t len;
+ enum pol_addr_auth pa;
- pthread_rwlock_wrlock(&ipcpi.state_lock);
+ len = rib_read(DIF_PATH, &buf, 256);
+ if (len < 0) {
+ LOG_ERR("Failed to read DIF name: %ld.", len);
+ return -1;
+ }
- if (ipcp_get_state() != IPCP_INIT) {
- pthread_rwlock_unlock(&ipcpi.state_lock);
- LOG_ERR("Won't enroll an IPCP that is not in INIT.");
- return -1; /* -ENOTINIT */
+ ipcpi.data->dif_name = strdup(buf);
+ if (ipcpi.data->dif_name == NULL) {
+ LOG_ERR("Failed to set DIF name.");
+ return -1;
}
- if (ribmgr_init()) {
- LOG_ERR("Failed to initialise RIB manager.");
- pthread_rwlock_unlock(&ipcpi.state_lock);
+ if (rib_add(MEMBERS_PATH, ipcpi.name)) {
+ LOG_WARN("Failed to add name to " MEMBERS_PATH);
return -1;
}
- if (ribmgr_nm1_mgt_flow(dst_name)) {
- if (ribmgr_fini())
- LOG_WARN("Failed to finalize RIB manager.");
- LOG_ERR("Failed to establish management flow.");
- pthread_rwlock_unlock(&ipcpi.state_lock);
+ LOG_DBG("Starting components.");
+
+ if (rib_read(BOOT_PATH "/addr_auth/type", &pa, sizeof(pa))
+ != sizeof(pa)) {
+ LOG_ERR("Failed to read policy for address authority.");
return -1;
}
- ret = ribmgr_enrol();
- if (ret < 0) {
- if (ribmgr_fini())
- LOG_WARN("Failed to finalize RIB manager.");
- pthread_rwlock_unlock(&ipcpi.state_lock);
- if (ret == -ETIMEDOUT)
- LOG_ERR("Enrollment timed out.");
- else
- LOG_ERR("Failed to enrol IPCP: %d.", ret);
+ normal.auth = addr_auth_create(pa);
+ if (normal.auth == NULL) {
+ LOG_ERR("Failed to init address authority.");
return -1;
}
- if (ribmgr_start_policies()) {
- pthread_rwlock_unlock(&ipcpi.state_lock);
- LOG_ERR("Failed to start policies.");
+ ipcpi.address = normal.auth->address();
+ if (ipcpi.address == 0) {
+ LOG_ERR("Failed to get a valid address.");
+ addr_auth_destroy(normal.auth);
+ return -1;
+ }
+
+ LOG_DBG("IPCP got address %lu.", ipcpi.address);
+
+ LOG_DBG("Starting ribmgr.");
+
+ if (ribmgr_init()) {
+ LOG_ERR("Failed to initialize RIB manager.");
+ addr_auth_destroy(normal.auth);
return -1;
}
+ if (dir_init()) {
+ LOG_ERR("Failed to initialize directory.");
+ ribmgr_fini();
+ addr_auth_destroy(normal.auth);
+ return -1;
+ }
+
+ LOG_DBG("Ribmgr started.");
+
if (fmgr_init()) {
- if (ribmgr_fini())
- LOG_WARN("Failed to finalize RIB manager.");
- pthread_rwlock_unlock(&ipcpi.state_lock);
+ dir_fini();
+ ribmgr_fini();
+ addr_auth_destroy(normal.auth);
LOG_ERR("Failed to start flow manager.");
return -1;
}
if (frct_init()) {
- if (fmgr_fini())
- LOG_WARN("Failed to finalize flow manager.");
- if (ribmgr_fini())
- LOG_WARN("Failed to finalize RIB manager.");
- pthread_rwlock_unlock(&ipcpi.state_lock);
+ fmgr_fini();
+ dir_fini();
+ ribmgr_fini();
+ addr_auth_destroy(normal.auth);
LOG_ERR("Failed to initialize FRCT.");
return -1;
}
ipcp_set_state(IPCP_OPERATIONAL);
- if (pthread_create(&acceptor, NULL, flow_acceptor, NULL)) {
- if (frct_fini())
- LOG_WARN("Failed to finalize frct.");
- if (fmgr_fini())
- LOG_WARN("Failed to finalize flow manager.");
- if (ribmgr_fini())
- LOG_WARN("Failed to finalize RIB manager.");
+ if (pthread_create(&normal.acceptor, NULL, flow_acceptor, NULL)) {
ipcp_set_state(IPCP_INIT);
- pthread_rwlock_unlock(&ipcpi.state_lock);
+ fmgr_fini();
+ dir_fini();
+ ribmgr_fini();
+ addr_auth_destroy(normal.auth);
LOG_ERR("Failed to create acceptor thread.");
return -1;
}
- pthread_rwlock_unlock(&ipcpi.state_lock);
-
- LOG_DBG("Enrolled with %s.", dst_name);
-
return 0;
}
-static int normal_ipcp_bootstrap(struct dif_config * conf)
+static int normal_ipcp_enroll(char * dst_name)
{
- if (conf == NULL || conf->type != THIS_TYPE) {
- LOG_ERR("Bad DIF configuration.");
- return -EINVAL;
- }
-
pthread_rwlock_wrlock(&ipcpi.state_lock);
if (ipcp_get_state() != IPCP_INIT) {
pthread_rwlock_unlock(&ipcpi.state_lock);
- LOG_ERR("Won't bootstrap an IPCP that is not in INIT.");
+ LOG_ERR("IPCP in wrong state.");
return -1; /* -ENOTINIT */
}
- ipcpi.data->dif_name = strdup(conf->dif_name);
- if (ipcpi.data->dif_name == NULL) {
+ if (rib_add(RIB_ROOT, MEMBERS_NAME)) {
pthread_rwlock_unlock(&ipcpi.state_lock);
- LOG_ERR("Failed to set DIF name.");
+ LOG_ERR("Failed to create members.");
return -1;
}
- if (ribmgr_init()) {
- LOG_ERR("Failed to initialise RIB manager.");
+ /* Get boot state from peer */
+ if (enroll_boot(dst_name)) {
pthread_rwlock_unlock(&ipcpi.state_lock);
+ LOG_ERR("Failed to boot IPCP components.");
return -1;
}
- if (ribmgr_bootstrap(conf)) {
- if (ribmgr_fini())
- LOG_WARN("Failed to finalize RIB manager.");
+ if (boot_components()) {
pthread_rwlock_unlock(&ipcpi.state_lock);
- LOG_ERR("Failed to bootstrap RIB manager.");
+ LOG_ERR("Failed to boot IPCP components.");
return -1;
}
- if (ribmgr_start_policies()) {
- if (ribmgr_fini())
- LOG_WARN("Failed to finalize RIB manager.");
+ pthread_rwlock_unlock(&ipcpi.state_lock);
+
+ LOG_DBG("Enrolled with %s.", dst_name);
+
+ return 0;
+}
+
+const struct ros {
+ char * parent;
+ char * child;
+} ros[] = {
+ /* GENERAL IPCP INFO */
+ {RIB_ROOT, DIF_NAME},
+ /* BOOT INFO */
+ {RIB_ROOT, BOOT_NAME},
+ /* OTHER RIB STRUCTURES */
+ {RIB_ROOT, MEMBERS_NAME},
+ /* DT COMPONENT */
+ {BOOT_PATH, "dt"},
+
+ {BOOT_PATH "/dt", "gam"},
+ {BOOT_PATH "/dt/gam", "type"},
+ {BOOT_PATH "/dt/gam", "cacep"},
+ {BOOT_PATH "/dt", "const"},
+ {BOOT_PATH "/dt/const", "addr_size"},
+ {BOOT_PATH "/dt/const", "cep_id_size"},
+ {BOOT_PATH "/dt/const", "pdu_length_size"},
+ {BOOT_PATH "/dt/const", "seqno_size"},
+ {BOOT_PATH "/dt/const", "has_ttl"},
+ {BOOT_PATH "/dt/const", "has_chk"},
+ {BOOT_PATH "/dt/const", "min_pdu_size"},
+ {BOOT_PATH "/dt/const", "max_pdu_size"},
+
+ /* RIB MGR COMPONENT */
+ {BOOT_PATH, "rm"},
+
+ {BOOT_PATH "/rm","gam"},
+ {BOOT_PATH "/rm/gam", "type"},
+ {BOOT_PATH "/rm/gam", "cacep"},
+
+ /* ADDR AUTH COMPONENT */
+ {BOOT_PATH, "addr_auth"},
+ {BOOT_PATH "/addr_auth", "type"},
+ {NULL, NULL}
+};
+
+int normal_rib_init(void)
+{
+ struct ros * r;
+
+ for (r = (struct ros *) ros; r->parent; ++r) {
+ if (rib_add(r->parent, r->child)) {
+ LOG_ERR("Failed to create %s/%s",
+ r->parent, r->child);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+static int normal_ipcp_bootstrap(struct dif_config * conf)
+{
+ /* FIXME: get CACEP policies from conf */
+ enum pol_cacep pol = NO_AUTH;
+
+ (void) pol;
+
+ if (conf == NULL || conf->type != THIS_TYPE) {
+ LOG_ERR("Bad DIF configuration.");
+ return -EINVAL;
+ }
+
+ pthread_rwlock_wrlock(&ipcpi.state_lock);
+
+ if (ipcp_get_state() != IPCP_INIT) {
pthread_rwlock_unlock(&ipcpi.state_lock);
- LOG_ERR("Failed to start policies.");
- return -1;
+ LOG_ERR("IPCP in wrong state.");
+ return -1; /* -ENOTINIT */
}
- if (fmgr_init()) {
- if (ribmgr_fini())
- LOG_WARN("Failed to finalize RIB manager.");
+ if (normal_rib_init()) {
pthread_rwlock_unlock(&ipcpi.state_lock);
- LOG_ERR("Failed to start flow manager.");
+ LOG_ERR("Failed to write initial structure to the RIB.");
return -1;
}
- if (frct_init()) {
- if (fmgr_fini())
- LOG_WARN("Failed to finalize flow manager.");
- if (ribmgr_fini())
- LOG_WARN("Failed to finalize RIB manager.");
+ if (rib_write(DIF_PATH,
+ conf->dif_name,
+ strlen(conf->dif_name) + 1) ||
+ rib_write(BOOT_PATH "/dt/const/addr_size",
+ &conf->addr_size,
+ sizeof(conf->addr_size)) ||
+ rib_write(BOOT_PATH "/dt/const/cep_id_size",
+ &conf->cep_id_size,
+ sizeof(conf->cep_id_size)) ||
+ rib_write(BOOT_PATH "/dt/const/seqno_size",
+ &conf->seqno_size,
+ sizeof(conf->seqno_size)) ||
+ rib_write(BOOT_PATH "/dt/const/has_ttl",
+ &conf->has_ttl,
+ sizeof(conf->has_ttl)) ||
+ rib_write(BOOT_PATH "/dt/const/has_chk",
+ &conf->has_chk,
+ sizeof(conf->has_chk)) ||
+ rib_write(BOOT_PATH "/dt/const/min_pdu_size",
+ &conf->min_pdu_size,
+ sizeof(conf->min_pdu_size)) ||
+ rib_write(BOOT_PATH "/dt/const/max_pdu_size",
+ &conf->max_pdu_size,
+ sizeof(conf->max_pdu_size)) ||
+ rib_write(BOOT_PATH "/dt/gam/type",
+ &conf->dt_gam_type,
+ sizeof(conf->dt_gam_type)) ||
+ rib_write(BOOT_PATH "/rm/gam/type",
+ &conf->rm_gam_type,
+ sizeof(conf->rm_gam_type)) ||
+ rib_write(BOOT_PATH "/rm/gam/cacep",
+ &pol,
+ sizeof(pol)) ||
+ rib_write(BOOT_PATH "/dt/gam/cacep",
+ &pol,
+ sizeof(pol)) ||
+ rib_write(BOOT_PATH "/addr_auth/type",
+ &conf->addr_auth_type,
+ sizeof(conf->addr_auth_type))) {
+ LOG_ERR("Failed to write boot info to RIB.");
pthread_rwlock_unlock(&ipcpi.state_lock);
- LOG_ERR("Failed to initialize FRCT.");
return -1;
}
- ipcp_set_state(IPCP_OPERATIONAL);
-
- if (pthread_create(&acceptor, NULL, flow_acceptor, NULL)) {
- if (frct_fini())
- LOG_WARN("Failed to finalize frct.");
- if (fmgr_fini())
- LOG_WARN("Failed to finalize flow manager.");
- if (ribmgr_fini())
- LOG_WARN("Failed to finalize RIB manager.");
- ipcp_set_state(IPCP_INIT);
+ if (boot_components()) {
+ LOG_ERR("Failed to boot IPCP components.");
pthread_rwlock_unlock(&ipcpi.state_lock);
- LOG_ERR("Failed to create acceptor thread.");
return -1;
}
@@ -293,9 +412,9 @@ static struct ipcp_ops normal_ops = {
.ipcp_name_reg = dir_name_reg,
.ipcp_name_unreg = dir_name_unreg,
.ipcp_name_query = dir_name_query,
- .ipcp_flow_alloc = fmgr_np1_alloc,
- .ipcp_flow_alloc_resp = fmgr_np1_alloc_resp,
- .ipcp_flow_dealloc = fmgr_np1_dealloc
+ .ipcp_flow_alloc = NULL, /* fmgr_np1_alloc, */
+ .ipcp_flow_alloc_resp = NULL, /* fmgr_np1_alloc_resp, */
+ .ipcp_flow_dealloc = NULL, /* fmgr_np1_dealloc */
};
int main(int argc,
@@ -338,8 +457,15 @@ int main(int argc,
sigaction(SIGHUP, &sig_act, NULL);
sigaction(SIGPIPE, &sig_act, NULL);
+ if (rib_init()) {
+ LOG_ERR("Failed to initialize RIB.");
+ close_logfile();
+ exit(EXIT_FAILURE);
+ }
+
if (ipcp_init(THIS_TYPE, &normal_ops) < 0) {
LOG_ERR("Failed to create instance.");
+ rib_fini();
close_logfile();
exit(EXIT_FAILURE);
}
@@ -348,6 +474,8 @@ int main(int argc,
if (ipcp_boot() < 0) {
LOG_ERR("Failed to boot IPCP.");
+ ipcp_fini();
+ rib_fini();
close_logfile();
exit(EXIT_FAILURE);
}
@@ -357,6 +485,7 @@ int main(int argc,
if (ipcp_create_r(getpid())) {
LOG_ERR("Failed to notify IRMd we are initialized.");
ipcp_fini();
+ rib_fini();
close_logfile();
exit(EXIT_FAILURE);
}
@@ -364,17 +493,18 @@ int main(int argc,
ipcp_shutdown();
if (ipcp_get_state() == IPCP_SHUTDOWN) {
- pthread_cancel(acceptor);
- pthread_join(acceptor, NULL);
-
- if (frct_fini())
- LOG_WARN("Failed to finalize FRCT.");
- if (fmgr_fini())
- LOG_WARN("Failed to finalize flow manager.");
- if (ribmgr_fini())
- LOG_WARN("Failed to finalize RIB manager.");
+ pthread_cancel(normal.acceptor);
+ pthread_join(normal.acceptor, NULL);
}
+ ribmgr_fini();
+
+ dir_fini();
+
+ addr_auth_destroy(normal.auth);
+
+ rib_fini();
+
ipcp_fini();
close_logfile();
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-10 08:06:43 +0000