From 1d51060d7da210f576b6ae15726615c26c46095c Mon Sep 17 00:00:00 2001 From: sairoop-elear Date: Tue, 19 Feb 2019 21:38:53 +0100 Subject: [PATCH] Add test case for channel blacklist --- test/blackbox/run_blackbox_tests/Makefile.am | 6 +- .../test_cases_channel_blacklist.c | 199 ++++++++++++++++ .../test_cases_channel_blacklist.h | 43 ++++ .../node_sim_nut_01.c | 215 ++++++++++++++++++ .../node_sim_nut_01.h | 31 +++ .../node_sim_peer_01.c | 106 +++++++++ .../node_sim_relay_01.c | 49 ++++ 7 files changed, 648 insertions(+), 1 deletion(-) create mode 100644 test/blackbox/run_blackbox_tests/test_cases_channel_blacklist.c create mode 100644 test/blackbox/run_blackbox_tests/test_cases_channel_blacklist.h create mode 100644 test/blackbox/test_case_channel_blacklist_01/node_sim_nut_01.c create mode 100644 test/blackbox/test_case_channel_blacklist_01/node_sim_nut_01.h create mode 100644 test/blackbox/test_case_channel_blacklist_01/node_sim_peer_01.c create mode 100644 test/blackbox/test_case_channel_blacklist_01/node_sim_relay_01.c diff --git a/test/blackbox/run_blackbox_tests/Makefile.am b/test/blackbox/run_blackbox_tests/Makefile.am index c958711e..7fe23225 100644 --- a/test/blackbox/run_blackbox_tests/Makefile.am +++ b/test/blackbox/run_blackbox_tests/Makefile.am @@ -52,7 +52,11 @@ run_blackbox_tests_SOURCES = \ ../test_case_optimal_pmtu_01/node_sim_nut.c \ ../test_case_optimal_pmtu_01/node_sim_relay.c \ ../test_case_optimal_pmtu_01/node_sim_peer.c \ - test_optimal_pmtu.c + test_optimal_pmtu.c \ + ../test_case_channel_blacklist_01/node_sim_nut_01.c \ + ../test_case_channel_blacklist_01/node_sim_peer_01.c \ + ../test_case_channel_blacklist_01/node_sim_relay_01.c \ + test_cases_channel_blacklist.c run_blackbox_tests_LDADD = ../../../src/libmeshlink.la $(LXC_LIBS) $(CMOCKA_LIBS) run_blackbox_tests_CFLAGS = -D_GNU_SOURCE $(LXC_CFLAGS) $(CMOCKA_CFLAGS) diff --git a/test/blackbox/run_blackbox_tests/test_cases_channel_blacklist.c b/test/blackbox/run_blackbox_tests/test_cases_channel_blacklist.c new file mode 100644 index 00000000..d6e9d744 --- /dev/null +++ b/test/blackbox/run_blackbox_tests/test_cases_channel_blacklist.c @@ -0,0 +1,199 @@ +/* + test_optimal_pmtu.c -- Execution of specific meshlink black box test cases + Copyright (C) 2019 Guus Sliepen + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + 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 along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ +#include +#include +#include +#include +#include +#include +#include "../common/containers.h" +#include "../common/test_step.h" +#include "../common/common_handlers.h" +#include "../common/network_namespace_framework.h" +#include "../../utils.h" +#include "test_cases_channel_blacklist.h" +#include "../test_case_channel_blacklist_01/node_sim_nut_01.h" + +typedef bool (*test_step_func_t)(void); +extern int total_tests; + +static bool test_steps_channel_blacklist_01(void); +static void test_case_channel_blacklist_01(void **state); + +static int setup_test(void **state); +static int teardown_test(void **state); +static void *gen_inv(void *arg); + +netns_state_t *test_channel_disconnection_state; + +static mesh_arg_t relay_arg = {.node_name = "relay", .confbase = "relay", .app_name = "relay", .dev_class = 0 }; +static mesh_arg_t peer_arg = {.node_name = "peer", .confbase = "peer", .app_name = "peer", .dev_class = 1 }; +static mesh_arg_t nut_arg = {.node_name = "nut", .confbase = "nut", .app_name = "nut", .dev_class = 1 }; +static mesh_invite_arg_t relay_nut_invite_arg = {.mesh_arg = &relay_arg, .invitee_name = "nut" }; +static mesh_invite_arg_t relay_peer_invite_arg = {.mesh_arg = &relay_arg, .invitee_name = "peer" }; +static mesh_invite_arg_t peer_nut_invite_arg = {.mesh_arg = &peer_arg, .invitee_name = "nut" }; +static netns_thread_t netns_relay_nut_invite = {.namespace_name = "relay", .netns_thread = gen_inv, .arg = &relay_nut_invite_arg}; +static netns_thread_t netns_relay_peer_invite = {.namespace_name = "relay", .netns_thread = gen_inv, .arg = &relay_peer_invite_arg}; +static netns_thread_t netns_peer_nut_invite = {.namespace_name = "peer", .netns_thread = gen_inv, .arg = &peer_nut_invite_arg}; +static netns_thread_t netns_relay_handle = {.namespace_name = "relay", .netns_thread = test_channel_blacklist_disonnection_relay_01, .arg = &relay_arg}; +static netns_thread_t netns_peer_handle = {.namespace_name = "peer", .netns_thread = test_channel_blacklist_disonnection_peer_01, .arg = &peer_arg}; +static netns_thread_t netns_nut_handle = {.namespace_name = "nut", .netns_thread = test_channel_blacklist_disonnection_nut_01, .arg = &nut_arg}; + +struct sync_flag test_channel_discon_nut_close = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER}; + +static int setup_test(void **state) { + netns_create_topology(test_channel_disconnection_state); + fprintf(stderr, "\nCreated topology\n"); + + meshlink_destroy("nut"); + meshlink_destroy("peer"); + meshlink_destroy("relay"); + channel_discon_case_ping = false; + channel_discon_network_failure_01 = false; + channel_discon_network_failure_02 = false; + test_channel_restart_01 = false; + set_sync_flag(&test_channel_discon_nut_close, false); + + return EXIT_SUCCESS; +} + +static int teardown_test(void **state) { + meshlink_destroy("nut"); + meshlink_destroy("peer"); + meshlink_destroy("relay"); + netns_destroy_topology(test_channel_disconnection_state); + + return EXIT_SUCCESS; +} + +static void execute_test(test_step_func_t step_func, void **state) { + + fprintf(stderr, "\n\x1b[32mRunning Test\x1b[0m\n"); + bool test_result = step_func(); + + if(!test_result) { + fail(); + } +} + +static void *gen_inv(void *arg) { + mesh_invite_arg_t *mesh_invite_arg = (mesh_invite_arg_t *)arg; + meshlink_handle_t *mesh; + mesh = meshlink_open(mesh_invite_arg->mesh_arg->node_name, mesh_invite_arg->mesh_arg->confbase, mesh_invite_arg->mesh_arg->app_name, mesh_invite_arg->mesh_arg->dev_class); + assert(mesh); + + char *invitation = meshlink_invite(mesh, NULL, mesh_invite_arg->invitee_name); + assert(invitation); + mesh_invite_arg->invite_str = invitation; + meshlink_close(mesh); +} + +static void launch_3_nodes(void) { + run_node_in_namespace_thread(&netns_relay_nut_invite); + sleep(1); + assert(relay_nut_invite_arg.invite_str); + nut_arg.join_invitation = relay_nut_invite_arg.invite_str; + + run_node_in_namespace_thread(&netns_relay_peer_invite); + sleep(1); + assert(relay_peer_invite_arg.invite_str); + peer_arg.join_invitation = relay_peer_invite_arg.invite_str; + + relay_arg.join_invitation = NULL; + + run_node_in_namespace_thread(&netns_relay_handle); + sleep(1); + + run_node_in_namespace_thread(&netns_peer_handle); + sleep(1); + + run_node_in_namespace_thread(&netns_nut_handle); +} + +static void test_case_channel_blacklist_01(void **state) { + execute_test(test_steps_channel_blacklist_01, state); + return; +} + +static bool test_steps_channel_blacklist_01(void) { + + launch_3_nodes(); + + wait_sync_flag(&test_channel_discon_nut_close, 240); + + test_channel_blacklist_disonnection_peer_01_running = false; + test_channel_blacklist_disonnection_relay_01_running = false; + assert_int_equal(total_reachable_callbacks_01, 1); + assert_int_equal(total_unreachable_callbacks_01, 1); + assert_int_equal(total_channel_closure_callbacks_01, 2); + + return true; +} + +int test_meshlink_channel_blacklist(void) { + + interface_t relay_ifs[] = { { .if_peer = "wan_bridge" } }; + namespace_t relay = { + .name = "relay", + .type = HOST, + .interfaces = relay_ifs, + .interfaces_no = 1, + }; + + interface_t peer_ifs[] = { { .if_peer = "wan_bridge" } }; + namespace_t peer = { + .name = "peer", + .type = HOST, + .interfaces = peer_ifs, + .interfaces_no = 1, + }; + + interface_t nut_ifs[] = { { .if_peer = "wan_bridge" } }; + namespace_t nut = { + .name = "nut", + .type = HOST, + .interfaces = nut_ifs, + .interfaces_no = 1, + }; + + interface_t wan_ifs[] = { { .if_peer = "peer" }, { .if_peer = "nut" }, { .if_peer = "relay" } }; + namespace_t wan_bridge = { + .name = "wan_bridge", + .type = BRIDGE, + .interfaces = wan_ifs, + .interfaces_no = 3, + }; + + namespace_t test_channel_nodes[] = { relay, wan_bridge, nut, peer }; + + netns_state_t test_channels_nodes = { + .test_case_name = "test_case_channel", + .namespaces = test_channel_nodes, + .num_namespaces = 4, + }; + test_channel_disconnection_state = &test_channels_nodes; + + const struct CMUnitTest blackbox_group0_tests[] = { + cmocka_unit_test_prestate_setup_teardown(test_case_channel_blacklist_01, setup_test, teardown_test, + (void *)NULL), + }; + total_tests += sizeof(blackbox_group0_tests) / sizeof(blackbox_group0_tests[0]); + + return cmocka_run_group_tests(blackbox_group0_tests, NULL, NULL); +} diff --git a/test/blackbox/run_blackbox_tests/test_cases_channel_blacklist.h b/test/blackbox/run_blackbox_tests/test_cases_channel_blacklist.h new file mode 100644 index 00000000..5d9445fc --- /dev/null +++ b/test/blackbox/run_blackbox_tests/test_cases_channel_blacklist.h @@ -0,0 +1,43 @@ +#ifndef TEST_CASES_CHANNEL_CONN_H +#define TEST_CASES_CHANNEL_CONN_H + +/* + test_cases_channel_blacklist.h -- Declarations for Individual Test Case implementation functions + Copyright (C) 2018 Guus Sliepen + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + 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 along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + + +#include + +extern int test_meshlink_channel_blacklist(void); + +extern void *test_channel_blacklist_disonnection_nut_01(void *arg); +extern void *test_channel_blacklist_disonnection_peer_01(void *arg); +extern void *test_channel_blacklist_disonnection_relay_01(void *arg); + +extern int total_reachable_callbacks_01; +extern int total_unreachable_callbacks_01; +extern int total_channel_closure_callbacks_01; +extern bool channel_discon_case_ping; +extern bool channel_discon_network_failure_01; +extern bool channel_discon_network_failure_02; +extern bool test_channel_blacklist_disonnection_peer_01_running; +extern bool test_channel_blacklist_disonnection_relay_01_running; +extern bool test_blacklist_whitelist_01; +extern bool test_channel_restart_01; + +#endif // TEST_CASES_CHANNEL_CONN_H diff --git a/test/blackbox/test_case_channel_blacklist_01/node_sim_nut_01.c b/test/blackbox/test_case_channel_blacklist_01/node_sim_nut_01.c new file mode 100644 index 00000000..fca20715 --- /dev/null +++ b/test/blackbox/test_case_channel_blacklist_01/node_sim_nut_01.c @@ -0,0 +1,215 @@ +/* + node_sim_nut.c -- Implementation of Node Simulation for Meshlink Testing + for channel connections with respective to blacklisting their nodes + Copyright (C) 2019 Guus Sliepen + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + 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 along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ +#include +#include +#include +#include +#include +#include +#include "../common/common_handlers.h" +#include "../common/test_step.h" +#include "../common/mesh_event_handler.h" +#include "../common/network_namespace_framework.h" +#include "../../utils.h" +#include "node_sim_nut_01.h" + +#define CHANNEL_PORT 1234 + +static bool blacklist_set; +int total_reachable_callbacks_01; +int total_unreachable_callbacks_01; +int total_channel_closure_callbacks_01; +bool channel_discon_case_ping; +bool channel_discon_network_failure_01; +bool channel_discon_network_failure_02; +bool test_blacklist_whitelist_01; +bool test_channel_restart_01; + +static struct sync_flag peer_reachable = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER}; +static struct sync_flag peer_unreachable = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER}; +static struct sync_flag channel_opened = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER}; +static struct sync_flag channels_closed = {.mutex = PTHREAD_MUTEX_INITIALIZER, .cond = PTHREAD_COND_INITIALIZER}; + +static void node_status_cb(meshlink_handle_t *mesh, meshlink_node_t *node, + bool reachable) { + + fprintf(stderr, "Node %s %s\n", node->name, reachable ? "reachable" : "unreachable"); + + if(!strcmp(node->name, "peer")) { + if(reachable) { + set_sync_flag(&peer_reachable, true); + + if(blacklist_set) { + ++total_reachable_callbacks_01; + } + } else { + set_sync_flag(&peer_unreachable, true); + + if(blacklist_set) { + ++total_unreachable_callbacks_01; + } + } + } + + return; +} + +static void poll_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) { + (void)len; + fprintf(stderr, "%s poll cb invoked\n", (char *)channel->priv); + meshlink_set_channel_poll_cb(mesh, channel, NULL); + assert(meshlink_channel_send(mesh, channel, "test", 5) >= 0); + return; +} + +static void channel_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *dat, size_t len) { + if(len == 0) { + fprintf(stderr, "Closed channel with %s\n", (char *)channel->priv); + + if(blacklist_set) { + ++total_channel_closure_callbacks_01; + } + + if(total_channel_closure_callbacks_01 == 2) { + set_sync_flag(&channels_closed, true); + } + } + + if(!strcmp(channel->node->name, "peer")) { + if(len == 5 && !memcmp(dat, "reply", 5)) { + fprintf(stderr, "Channel opened with %s\n", (char *)channel->priv); + set_sync_flag(&channel_opened, true); + } + } + + return; +} + +static void log_message(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) { + (void)mesh; + + fprintf(stderr, "\x1b[32m nut:\x1b[0m %s\n", text); +} + +void *test_channel_blacklist_disonnection_nut_01(void *arg) { + mesh_arg_t *mesh_arg = (mesh_arg_t *)arg; + total_reachable_callbacks_01 = 0; + total_unreachable_callbacks_01 = 0; + total_channel_closure_callbacks_01 = 0; + + set_sync_flag(&peer_reachable, false); + set_sync_flag(&peer_unreachable, false); + set_sync_flag(&channel_opened, false); + blacklist_set = false; + + assert(!channel_discon_network_failure_01 || !channel_discon_network_failure_02); + + // Run relay node instance + + meshlink_handle_t *mesh; + mesh = meshlink_open(mesh_arg->node_name, mesh_arg->confbase, mesh_arg->app_name, mesh_arg->dev_class); + assert(mesh); + meshlink_set_log_cb(mesh, MESHLINK_DEBUG, log_message); + meshlink_set_node_status_cb(mesh, node_status_cb); + + // Join relay node and if fails to join then try few more attempts + + if(mesh_arg->join_invitation) { + assert(meshlink_join(mesh, mesh_arg->join_invitation)); + } + + assert(meshlink_start(mesh)); + + // Wait for peer node to join + + assert(wait_sync_flag(&peer_reachable, 30)); + + meshlink_node_t *peer_node = meshlink_get_node(mesh, "peer"); + assert(peer_node); + meshlink_channel_t *channel1 = meshlink_channel_open(mesh, peer_node, CHANNEL_PORT, + channel_receive_cb, NULL, 0); + channel1->priv = "channel1"; + meshlink_set_channel_poll_cb(mesh, channel1, poll_cb); + + assert(wait_sync_flag(&channel_opened, 15)); + + set_sync_flag(&channel_opened, false); + + meshlink_channel_t *channel2 = meshlink_channel_open(mesh, peer_node, CHANNEL_PORT, + channel_receive_cb, NULL, 0); + channel2->priv = "channel2"; + meshlink_set_channel_poll_cb(mesh, channel2, poll_cb); + + assert(wait_sync_flag(&channel_opened, 15)); + + blacklist_set = true; + + if(channel_discon_network_failure_01) { + fprintf(stderr, "Simulating network failure before blacklisting\n"); + assert(system("iptables -A INPUT -m statistic --mode random --probability 0.9 -j DROP") == 0); + assert(system("iptables -A OUTPUT -m statistic --mode random --probability 0.9 -j DROP") == 0); + sleep(1); + } + + fprintf(stderr, "Node blacklisted\n"); + set_sync_flag(&channels_closed, false); + meshlink_blacklist(mesh, peer_node); + + sleep(10); + + if(channel_discon_network_failure_02) { + fprintf(stderr, "Simulating network failure after blacklisting\n"); + assert(system("iptables -A INPUT -m statistic --mode random --probability 0.9 -j DROP") == 0); + assert(system("iptables -A OUTPUT -m statistic --mode random --probability 0.9 -j DROP") == 0); + sleep(1); + } + + if(channel_discon_case_ping) { + fprintf(stderr, "Sending data through channels after blacklisting\n"); + assert(meshlink_channel_send(mesh, channel1, "ping", 5) >= 0); + assert(meshlink_channel_send(mesh, channel2, "ping", 5) >= 0); + } + + if(wait_sync_flag(&channels_closed, 120) == false) { + set_sync_flag(&test_channel_discon_nut_close, true); + return NULL; + } + + if(channel_discon_network_failure_01 || channel_discon_network_failure_02) { + fprintf(stderr, "Simulating network failure after blacklisting\n"); + assert(system("iptables -D INPUT -m statistic --mode random --probability 0.9 -j DROP") == 0); + assert(system("iptables -D OUTPUT -m statistic --mode random --probability 0.9 -j DROP") == 0); + } + + set_sync_flag(&peer_reachable, false); + + meshlink_whitelist(mesh, peer_node); + fprintf(stderr, "Node whitelisted\n"); + + wait_sync_flag(&peer_reachable, 70); + + fprintf(stderr, "Closing NUT instance\n"); + blacklist_set = false; + + set_sync_flag(&test_channel_discon_nut_close, true); + + meshlink_close(mesh); + return NULL; +} diff --git a/test/blackbox/test_case_channel_blacklist_01/node_sim_nut_01.h b/test/blackbox/test_case_channel_blacklist_01/node_sim_nut_01.h new file mode 100644 index 00000000..e5dc0ac2 --- /dev/null +++ b/test/blackbox/test_case_channel_blacklist_01/node_sim_nut_01.h @@ -0,0 +1,31 @@ +#ifndef CHANNEL_BLACKLIST_NUT_01_H +#define CHANNEL_BLACKLIST_NUT_01_H + +/* + test_case_channel_disconnection.h -- Implementation of Node Simulation for Meshlink Testing + Copyright (C) 2019 Guus Sliepen + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + 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 along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +extern void *test_channel_blacklist_disonnection_peer_01(void *arg); +extern void *test_channel_blacklist_disonnection_nut_01(void *arg); +extern void *test_channel_blacklist_disonnection_relay_01(void *arg); +extern int total_blacklist_callbacks_01; +extern int total_whitelist_callbacks_01; +extern struct sync_flag test_channel_discon_nut_close; +extern bool test_case_signal_peer_restart_01; + +#endif diff --git a/test/blackbox/test_case_channel_blacklist_01/node_sim_peer_01.c b/test/blackbox/test_case_channel_blacklist_01/node_sim_peer_01.c new file mode 100644 index 00000000..4f1c9395 --- /dev/null +++ b/test/blackbox/test_case_channel_blacklist_01/node_sim_peer_01.c @@ -0,0 +1,106 @@ +/* + node_sim_peer.c -- Implementation of Node Simulation for Meshlink Testing + for channel connections with respective to blacklisting their nodes + Copyright (C) 2019 Guus Sliepen + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + 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 along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ +#include +#include +#include +#include +#include +#include +#include "../common/common_handlers.h" +#include "../common/test_step.h" +#include "../common/network_namespace_framework.h" +#include "../../utils.h" + +#define CHANNEL_PORT 1234 + +bool test_channel_blacklist_disonnection_peer_01_running; +bool test_case_signal_peer_restart_01; + +static void channel_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *dat, size_t len); +static bool channel_accept(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *dat, size_t len); + +static int client_id = -1; + +static bool channel_accept(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *dat, size_t len) { + (void)dat; + (void)len; + + assert(port == CHANNEL_PORT); + + if(!strcmp(channel->node->name, "nut")) { + meshlink_set_channel_receive_cb(mesh, channel, channel_receive_cb); + return true; + } + + return false; +} + +/* channel receive callback */ +static void channel_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, const void *dat, size_t len) { + + if(len == 0) { + fprintf(stderr, "Channel closure\n"); + } + + if(!strcmp(channel->node->name, "nut")) { + if(!memcmp(dat, "test", 5)) { + assert(meshlink_channel_send(mesh, channel, "reply", 5) >= 0); + } + } + + return; +} + +void *test_channel_blacklist_disonnection_peer_01(void *arg) { + struct timeval main_loop_wait = { 2, 0 }; + mesh_arg_t *mesh_arg = (mesh_arg_t *)arg; + test_channel_blacklist_disonnection_peer_01_running = true; + + // Run relay node instance + + meshlink_handle_t *mesh; + mesh = meshlink_open(mesh_arg->node_name, mesh_arg->confbase, mesh_arg->app_name, mesh_arg->dev_class); + assert(mesh); + meshlink_set_channel_accept_cb(mesh, channel_accept); + + // Join relay node and if fails to join then try few more attempts + + if(mesh_arg->join_invitation) { + assert(meshlink_join(mesh, mesh_arg->join_invitation)); + } + + assert(meshlink_start(mesh)); + + // All test steps executed - wait for signals to stop/start or close the mesh + + while(test_channel_blacklist_disonnection_peer_01_running) { + select(1, NULL, NULL, NULL, &main_loop_wait); + + if(test_case_signal_peer_restart_01) { + meshlink_stop(mesh); + assert(meshlink_start(mesh)); + test_case_signal_peer_restart_01 = false; + } + } + + meshlink_close(mesh); + + return NULL; +} diff --git a/test/blackbox/test_case_channel_blacklist_01/node_sim_relay_01.c b/test/blackbox/test_case_channel_blacklist_01/node_sim_relay_01.c new file mode 100644 index 00000000..43e2a7f5 --- /dev/null +++ b/test/blackbox/test_case_channel_blacklist_01/node_sim_relay_01.c @@ -0,0 +1,49 @@ +/* + node_sim_relay.c -- Implementation of Node Simulation for Meshlink Testing + for channel connections with respective to blacklisting their nodes + Copyright (C) 2019 Guus Sliepen + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + 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 along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +*/ +#include +#include +#include "../common/common_handlers.h" +#include "../common/test_step.h" +#include "../common/network_namespace_framework.h" + +bool test_channel_blacklist_disonnection_relay_01_running; + +void *test_channel_blacklist_disonnection_relay_01(void *arg) { + struct timeval main_loop_wait = { 2, 0 }; + mesh_arg_t *mesh_arg = (mesh_arg_t *)arg; + test_channel_blacklist_disonnection_relay_01_running = true; + + // Run relay node instance + + meshlink_handle_t *mesh; + mesh = meshlink_open(mesh_arg->node_name, mesh_arg->confbase, mesh_arg->app_name, mesh_arg->dev_class); + assert(mesh); + + meshlink_start(mesh); + + /* All test steps executed - wait for signals to stop/start or close the mesh */ + while(test_channel_blacklist_disonnection_relay_01_running) { + select(1, NULL, NULL, NULL, &main_loop_wait); + } + + meshlink_close(mesh); + + return NULL; +} -- 2.39.2