/* Copyright (C) 2024 Open Information Security Foundation * * You can copy, redistribute or modify this Program under the terms of * the GNU General Public License version 2 as published by the Free * Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * version 2 along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301, USA. */ #include "flow-callbacks.h" typedef struct FlowInitCallback_ { SCFlowInitCallbackFn Callback; void *user; struct FlowInitCallback_ *next; } FlowInitCallback; static FlowInitCallback *init_callbacks = NULL; typedef struct FlowUpdateCallback_ { SCFlowUpdateCallbackFn Callback; void *user; struct FlowUpdateCallback_ *next; } FlowUpdateCallback; static FlowUpdateCallback *update_callbacks = NULL; typedef struct FlowFinishCallback_ { SCFlowFinishCallbackFn Callback; void *user; struct FlowFinishCallback_ *next; } FlowFinishCallback; static FlowFinishCallback *finish_callbacks = NULL; bool SCFlowRegisterInitCallback(SCFlowInitCallbackFn fn, void *user) { FlowInitCallback *cb = SCCalloc(1, sizeof(*cb)); if (cb == NULL) { return false; } cb->Callback = fn; cb->user = user; if (init_callbacks == NULL) { init_callbacks = cb; } else { FlowInitCallback *current = init_callbacks; while (current->next != NULL) { current = current->next; } current->next = cb; } return true; } void SCFlowRunInitCallbacks(ThreadVars *tv, Flow *f, const Packet *p) { FlowInitCallback *cb = init_callbacks; while (cb != NULL) { cb->Callback(tv, f, p, cb->user); cb = cb->next; } } bool SCFlowRegisterUpdateCallback(SCFlowUpdateCallbackFn fn, void *user) { FlowUpdateCallback *cb = SCCalloc(1, sizeof(*cb)); if (cb == NULL) { return false; } cb->Callback = fn; cb->user = user; if (update_callbacks == NULL) { update_callbacks = cb; } else { FlowUpdateCallback *current = update_callbacks; while (current->next != NULL) { current = current->next; } current->next = cb; } return true; } void SCFlowRunUpdateCallbacks(ThreadVars *tv, Flow *f, Packet *p) { FlowUpdateCallback *cb = update_callbacks; while (cb != NULL) { cb->Callback(tv, f, p, cb->user); cb = cb->next; } } bool SCFlowRegisterFinishCallback(SCFlowFinishCallbackFn fn, void *user) { FlowFinishCallback *cb = SCCalloc(1, sizeof(*cb)); if (cb == NULL) { return false; } cb->Callback = fn; cb->user = user; if (finish_callbacks == NULL) { finish_callbacks = cb; } else { FlowFinishCallback *current = finish_callbacks; while (current->next != NULL) { current = current->next; } current->next = cb; } return true; } void SCFlowRunFinishCallbacks(ThreadVars *tv, Flow *f) { FlowFinishCallback *cb = finish_callbacks; while (cb != NULL) { cb->Callback(tv, f, cb->user); cb = cb->next; } }