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-rw-r--r--accel-pppd/ctrl/pptp/pptp.c101
-rw-r--r--accel-pppd/ctrl/pptp/pptp.h7
-rw-r--r--accel-pppd/extra/net-snmp/statPPTP.c111
3 files changed, 142 insertions, 77 deletions
diff --git a/accel-pppd/ctrl/pptp/pptp.c b/accel-pppd/ctrl/pptp/pptp.c
index 24984db8..efd2e592 100644
--- a/accel-pppd/ctrl/pptp/pptp.c
+++ b/accel-pppd/ctrl/pptp/pptp.c
@@ -25,6 +25,7 @@
#include "cli.h"
#include "connlimit.h"
+#include "pptp.h"
#include "memdebug.h"
@@ -55,6 +56,19 @@ struct pptp_conn_t
struct ppp_t ppp;
};
+struct pptp_stat_t
+{
+ unsigned int starting;
+ unsigned int active;
+};
+
+struct pptp_serv_t
+{
+ struct triton_context_t ctx;
+ struct triton_md_handler_t hnd;
+ struct pptp_stat_t stat;
+};
+
static int conf_ppp_max_mtu = PPTP_MAX_MTU;
static int conf_timeout = 5;
static int conf_echo_interval = 0;
@@ -69,14 +83,53 @@ static const char *conf_ifname;
static mempool_t conn_pool;
-static unsigned int stat_starting;
-static unsigned int stat_active;
-
static int pptp_read(struct triton_md_handler_t *h);
static int pptp_write(struct triton_md_handler_t *h);
static void pptp_timeout(struct triton_timer_t *);
static void ppp_started(struct ap_session *);
static void ppp_finished(struct ap_session *);
+static void pptp_ctx_switch(struct triton_context_t *ctx, void *arg);
+static int pptp_connect(struct triton_md_handler_t *h);
+static void pptp_serv_close(struct triton_context_t *ctx);
+
+static struct pptp_serv_t serv =
+{
+ .hnd.read = pptp_connect,
+ .ctx.close = pptp_serv_close,
+ .ctx.before_switch = pptp_ctx_switch,
+};
+
+static void pptp_stat_inc(unsigned int *stat)
+{
+ __atomic_add_fetch(stat, 1, __ATOMIC_RELAXED);
+}
+
+static void pptp_stat_dec(unsigned int *stat)
+{
+ __atomic_sub_fetch(stat, 1, __ATOMIC_RELAXED);
+}
+
+static void pptp_stat_move(unsigned int *from, unsigned int *to)
+{
+ pptp_stat_dec(from);
+ pptp_stat_inc(to);
+}
+
+static void pptp_stat_get(struct pptp_stat_t *stat)
+{
+ stat->starting = __atomic_load_n(&serv.stat.starting, __ATOMIC_RELAXED);
+ stat->active = __atomic_load_n(&serv.stat.active, __ATOMIC_RELAXED);
+}
+
+unsigned int __export pptp_stat_starting(void)
+{
+ return __atomic_load_n(&serv.stat.starting, __ATOMIC_RELAXED);
+}
+
+unsigned int __export pptp_stat_active(void)
+{
+ return __atomic_load_n(&serv.stat.active, __ATOMIC_RELAXED);
+}
static void pptp_ctx_switch(struct triton_context_t *ctx, void *arg)
{
@@ -101,11 +154,11 @@ static void disconnect(struct pptp_conn_t *conn)
triton_timer_del(&conn->echo_timer);
if (conn->state == STATE_PPP) {
- __sync_sub_and_fetch(&stat_active, 1);
+ pptp_stat_dec(&serv.stat.active);
conn->state = STATE_CLOSE;
ap_session_terminate(&conn->ppp.ses, TERM_LOST_CARRIER, 1);
} else if (conn->state != STATE_CLOSE)
- __sync_sub_and_fetch(&stat_starting, 1);
+ pptp_stat_dec(&serv.stat.starting);
triton_event_fire(EV_CTRL_FINISHED, &conn->ppp.ses);
@@ -356,8 +409,7 @@ static int pptp_out_call_rqst(struct pptp_conn_t *conn)
return -1;
}
conn->state = STATE_PPP;
- __sync_sub_and_fetch(&stat_starting, 1);
- __sync_add_and_fetch(&stat_active, 1);
+ pptp_stat_move(&serv.stat.starting, &serv.stat.active);
if (conn->timeout_timer.tpd)
triton_timer_del(&conn->timeout_timer);
@@ -397,7 +449,7 @@ static int pptp_call_clear_rqst(struct pptp_conn_t *conn)
triton_timer_del(&conn->echo_timer);
if (conn->state == STATE_PPP) {
- __sync_sub_and_fetch(&stat_active, 1);
+ pptp_stat_dec(&serv.stat.active);
conn->state = STATE_CLOSE;
ap_session_terminate(&conn->ppp.ses, TERM_USER_REQUEST, 1);
}
@@ -578,7 +630,7 @@ static void pptp_close(struct triton_context_t *ctx)
{
struct pptp_conn_t *conn = container_of(ctx, typeof(*conn), ctx);
if (conn->state == STATE_PPP) {
- __sync_sub_and_fetch(&stat_active, 1);
+ pptp_stat_dec(&serv.stat.active);
conn->state = STATE_CLOSE;
ap_session_terminate(&conn->ppp.ses, TERM_ADMIN_RESET, 1);
if (send_pptp_call_disconnect_notify(conn, 3)) {
@@ -609,7 +661,7 @@ static void ppp_finished(struct ap_session *ses)
if (conn->state != STATE_CLOSE) {
log_ppp_debug("pptp: ppp finished\n");
conn->state = STATE_CLOSE;
- __sync_sub_and_fetch(&stat_active, 1);
+ pptp_stat_dec(&serv.stat.active);
if (send_pptp_call_disconnect_notify(conn, 3))
triton_context_call(&conn->ctx, (void (*)(void*))disconnect, conn);
@@ -626,12 +678,6 @@ static void ppp_finished(struct ap_session *ses)
//==================================
-struct pptp_serv_t
-{
- struct triton_context_t ctx;
- struct triton_md_handler_t hnd;
-};
-
static int pptp_connect(struct triton_md_handler_t *h)
{
struct sockaddr_in addr;
@@ -733,7 +779,7 @@ static int pptp_connect(struct triton_md_handler_t *h)
triton_event_fire(EV_CTRL_STARTING, &conn->ppp.ses);
- __sync_add_and_fetch(&stat_starting, 1);
+ pptp_stat_inc(&serv.stat.starting);
}
return 0;
}
@@ -744,28 +790,19 @@ static void pptp_serv_close(struct triton_context_t *ctx)
triton_context_unregister(ctx);
}
-static struct pptp_serv_t serv=
-{
- .hnd.read = pptp_connect,
- .ctx.close = pptp_serv_close,
- .ctx.before_switch = pptp_ctx_switch,
-};
-
static int show_stat_exec(const char *cmd, char * const *fields, int fields_cnt, void *client)
{
+ struct pptp_stat_t stat;
+
+ pptp_stat_get(&stat);
+
cli_send(client, "pptp:\r\n");
- cli_sendv(client," starting: %u\r\n", stat_starting);
- cli_sendv(client," active: %u\r\n", stat_active);
+ cli_sendv(client," starting: %u\r\n", stat.starting);
+ cli_sendv(client," active: %u\r\n", stat.active);
return CLI_CMD_OK;
}
-void __export pptp_get_stat(unsigned int **starting, unsigned int **active)
-{
- *starting = &stat_starting;
- *active = &stat_active;
-}
-
static void load_config(void)
{
char *opt;
diff --git a/accel-pppd/ctrl/pptp/pptp.h b/accel-pppd/ctrl/pptp/pptp.h
new file mode 100644
index 00000000..29f24ca2
--- /dev/null
+++ b/accel-pppd/ctrl/pptp/pptp.h
@@ -0,0 +1,7 @@
+#ifndef __PPTP_H
+#define __PPTP_H
+
+unsigned int pptp_stat_starting(void);
+unsigned int pptp_stat_active(void);
+
+#endif
diff --git a/accel-pppd/extra/net-snmp/statPPTP.c b/accel-pppd/extra/net-snmp/statPPTP.c
index 48642202..f02525bf 100644
--- a/accel-pppd/extra/net-snmp/statPPTP.c
+++ b/accel-pppd/extra/net-snmp/statPPTP.c
@@ -6,20 +6,19 @@
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
-#include "statPPTP.h"
#include "triton.h"
+#include "accel-pppd/ctrl/pptp/pptp.h"
+#include "statPPTP.h"
-/*
- * The variables we want to tie the relevant OIDs to.
- * The agent will handle all GET and (if applicable) SET requests
- * to these variables automatically, changing the values as needed.
- */
-
-void pptp_get_stat(unsigned int **, unsigned int **);
-
-static unsigned int *stat_starting;
-static unsigned int *stat_active;
+static int handle_statPPTPStarting(netsnmp_mib_handler *handler,
+ netsnmp_handler_registration *reginfo,
+ netsnmp_agent_request_info *reqinfo,
+ netsnmp_request_info *requests);
+static int handle_statPPTPActive(netsnmp_mib_handler *handler,
+ netsnmp_handler_registration *reginfo,
+ netsnmp_agent_request_info *reqinfo,
+ netsnmp_request_info *requests);
/*
* Our initialization routine, called automatically by the agent
@@ -28,9 +27,6 @@ static unsigned int *stat_active;
void
init_statPPTP(void)
{
- netsnmp_handler_registration *reg;
- netsnmp_watcher_info *winfo;
-
static oid statPPTPStarting_oid[] = { 1,3,6,1,4,1,8072,100,1,3,1 };
static oid statPPTPActive_oid[] = { 1,3,6,1,4,1,8072,100,1,3,2 };
@@ -43,50 +39,75 @@ init_statPPTP(void)
if (!triton_module_loaded("pptp"))
return;
- pptp_get_stat(&stat_starting, &stat_active);
- /*
- * Register scalar watchers for each of the MIB objects.
- * The ASN type and RO/RW status are taken from the MIB definition,
- * but can be adjusted if needed.
- *
- * In most circumstances, the scalar watcher will handle all
- * of the necessary processing. But the NULL parameter in the
- * netsnmp_create_handler_registration() call can be used to
- * supply a user-provided handler if necessary.
- *
- * This approach can also be used to handle Counter64, string-
- * and OID-based watched scalars (although variable-sized writeable
- * objects will need some more specialised initialisation).
- */
DEBUGMSGTL(("statPPTP",
"Initializing statPPTPStarting scalar integer. Default value = %d\n",
0));
- reg = netsnmp_create_handler_registration(
- "statPPTPStarting", NULL,
+ if (netsnmp_register_scalar(netsnmp_create_handler_registration(
+ "statPPTPStarting", handle_statPPTPStarting,
statPPTPStarting_oid, OID_LENGTH(statPPTPStarting_oid),
- HANDLER_CAN_RONLY);
- winfo = netsnmp_create_watcher_info(
- stat_starting, sizeof(*stat_starting),
- ASN_INTEGER, WATCHER_FIXED_SIZE);
- if (netsnmp_register_watched_scalar( reg, winfo ) < 0 ) {
- snmp_log( LOG_ERR, "Failed to register watched statPPTPStarting" );
+ HANDLER_CAN_RONLY)) < 0 ) {
+ snmp_log( LOG_ERR, "Failed to register statPPTPStarting" );
}
DEBUGMSGTL(("statPPTP",
"Initializing statPPTPActive scalar integer. Default value = %d\n",
0));
- reg = netsnmp_create_handler_registration(
- "statPPTPActive", NULL,
+ if (netsnmp_register_scalar(netsnmp_create_handler_registration(
+ "statPPTPActive", handle_statPPTPActive,
statPPTPActive_oid, OID_LENGTH(statPPTPActive_oid),
- HANDLER_CAN_RONLY);
- winfo = netsnmp_create_watcher_info(
- stat_active, sizeof(*stat_active),
- ASN_INTEGER, WATCHER_FIXED_SIZE);
- if (netsnmp_register_watched_scalar( reg, winfo ) < 0 ) {
- snmp_log( LOG_ERR, "Failed to register watched statPPTPActive" );
+ HANDLER_CAN_RONLY)) < 0 ) {
+ snmp_log( LOG_ERR, "Failed to register statPPTPActive" );
}
DEBUGMSGTL(("statPPTP",
"Done initalizing statPPTP module\n"));
}
+
+static int handle_statPPTPStarting(netsnmp_mib_handler *handler,
+ netsnmp_handler_registration *reginfo,
+ netsnmp_agent_request_info *reqinfo,
+ netsnmp_request_info *requests)
+{
+ unsigned int stat;
+
+ (void)handler;
+ (void)reginfo;
+
+ switch (reqinfo->mode) {
+ case MODE_GET:
+ stat = pptp_stat_starting();
+ snmp_set_var_typed_value(requests->requestvb, ASN_INTEGER,
+ (u_char *)&stat, sizeof(stat));
+ break;
+ default:
+ snmp_log(LOG_ERR, "unknown mode (%d) in handle_statPPTPStarting\n", reqinfo->mode);
+ return SNMP_ERR_GENERR;
+ }
+
+ return SNMP_ERR_NOERROR;
+}
+
+static int handle_statPPTPActive(netsnmp_mib_handler *handler,
+ netsnmp_handler_registration *reginfo,
+ netsnmp_agent_request_info *reqinfo,
+ netsnmp_request_info *requests)
+{
+ unsigned int stat;
+
+ (void)handler;
+ (void)reginfo;
+
+ switch (reqinfo->mode) {
+ case MODE_GET:
+ stat = pptp_stat_active();
+ snmp_set_var_typed_value(requests->requestvb, ASN_INTEGER,
+ (u_char *)&stat, sizeof(stat));
+ break;
+ default:
+ snmp_log(LOG_ERR, "unknown mode (%d) in handle_statPPTPActive\n", reqinfo->mode);
+ return SNMP_ERR_GENERR;
+ }
+
+ return SNMP_ERR_NOERROR;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2026-07-14 17:46:00 +0000