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Use sourcecode for libjuice
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dijunkun
203
thirdparty/libjuice/test/conflict.c
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203
thirdparty/libjuice/test/conflict.c
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/**
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* Copyright (c) 2020 Paul-Louis Ageneau
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include "juice/juice.h"
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#ifdef _WIN32
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#include <windows.h>
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static void sleep(unsigned int secs) { Sleep(secs * 1000); }
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#else
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#include <unistd.h> // for sleep
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#endif
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#define BUFFER_SIZE 4096
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static juice_agent_t *agent1;
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static juice_agent_t *agent2;
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static void on_state_changed1(juice_agent_t *agent, juice_state_t state, void *user_ptr);
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static void on_state_changed2(juice_agent_t *agent, juice_state_t state, void *user_ptr);
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static void on_candidate1(juice_agent_t *agent, const char *sdp, void *user_ptr);
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static void on_candidate2(juice_agent_t *agent, const char *sdp, void *user_ptr);
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static void on_gathering_done1(juice_agent_t *agent, void *user_ptr);
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static void on_gathering_done2(juice_agent_t *agent, void *user_ptr);
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static void on_recv1(juice_agent_t *agent, const char *data, size_t size, void *user_ptr);
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static void on_recv2(juice_agent_t *agent, const char *data, size_t size, void *user_ptr);
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int test_conflict() {
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juice_set_log_level(JUICE_LOG_LEVEL_DEBUG);
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// Agent 1: Create agent
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juice_config_t config1;
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memset(&config1, 0, sizeof(config1));
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config1.cb_state_changed = on_state_changed1;
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config1.cb_candidate = on_candidate1;
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config1.cb_gathering_done = on_gathering_done1;
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config1.cb_recv = on_recv1;
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config1.user_ptr = NULL;
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agent1 = juice_create(&config1);
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// Agent 2: Create agent
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juice_config_t config2;
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memset(&config2, 0, sizeof(config2));
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config2.cb_state_changed = on_state_changed2;
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config2.cb_candidate = on_candidate2;
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config2.cb_gathering_done = on_gathering_done2;
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config2.cb_recv = on_recv2;
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config2.user_ptr = NULL;
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agent2 = juice_create(&config2);
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// Agent 1: Generate local description
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char sdp1[JUICE_MAX_SDP_STRING_LEN];
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juice_get_local_description(agent1, sdp1, JUICE_MAX_SDP_STRING_LEN);
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printf("Local description 1:\n%s\n", sdp1);
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// Agent 2: Generate local description
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char sdp2[JUICE_MAX_SDP_STRING_LEN];
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juice_get_local_description(agent2, sdp2, JUICE_MAX_SDP_STRING_LEN);
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printf("Local description 2:\n%s\n", sdp2);
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// Setting the remote description now on both agents will hint them both into controlling mode,
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// creating an ICE role conflict
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// Agent 1: Receive description from agent 2
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juice_set_remote_description(agent1, sdp2);
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// Agent 2: Receive description from agent 1
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juice_set_remote_description(agent2, sdp1);
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// Agent 1: Gather candidates (and send them to agent 2)
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juice_gather_candidates(agent1);
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sleep(2);
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// Agent 2: Gather candidates (and send them to agent 1)
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juice_gather_candidates(agent2);
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sleep(2);
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// -- Connection should be finished --
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// Check states
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juice_state_t state1 = juice_get_state(agent1);
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juice_state_t state2 = juice_get_state(agent2);
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bool success = (state1 == JUICE_STATE_COMPLETED && state2 == JUICE_STATE_COMPLETED);
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// Retrieve candidates
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char local[JUICE_MAX_CANDIDATE_SDP_STRING_LEN];
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char remote[JUICE_MAX_CANDIDATE_SDP_STRING_LEN];
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if (success &=
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(juice_get_selected_candidates(agent1, local, JUICE_MAX_CANDIDATE_SDP_STRING_LEN, remote,
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JUICE_MAX_CANDIDATE_SDP_STRING_LEN) == 0)) {
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printf("Local candidate 1: %s\n", local);
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printf("Remote candidate 1: %s\n", remote);
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if ((!strstr(local, "typ host") && !strstr(local, "typ prflx")) ||
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(!strstr(remote, "typ host") && !strstr(remote, "typ prflx")))
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success = false; // local connection should be possible
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}
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if (success &=
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(juice_get_selected_candidates(agent2, local, JUICE_MAX_CANDIDATE_SDP_STRING_LEN, remote,
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JUICE_MAX_CANDIDATE_SDP_STRING_LEN) == 0)) {
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printf("Local candidate 2: %s\n", local);
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printf("Remote candidate 2: %s\n", remote);
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if ((!strstr(local, "typ host") && !strstr(local, "typ prflx")) ||
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(!strstr(remote, "typ host") && !strstr(remote, "typ prflx")))
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success = false; // local connection should be possible
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}
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// Agent 1: destroy
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juice_destroy(agent1);
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// Agent 2: destroy
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juice_destroy(agent2);
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if (success) {
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printf("Success\n");
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return 0;
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} else {
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printf("Failure\n");
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return -1;
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}
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}
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// Agent 1: on state changed
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static void on_state_changed1(juice_agent_t *agent, juice_state_t state, void *user_ptr) {
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printf("State 1: %s\n", juice_state_to_string(state));
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if (state == JUICE_STATE_CONNECTED) {
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// Agent 1: on connected, send a message
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const char *message = "Hello from 1";
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juice_send(agent, message, strlen(message));
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}
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}
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// Agent 2: on state changed
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static void on_state_changed2(juice_agent_t *agent, juice_state_t state, void *user_ptr) {
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printf("State 2: %s\n", juice_state_to_string(state));
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if (state == JUICE_STATE_CONNECTED) {
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// Agent 2: on connected, send a message
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const char *message = "Hello from 2";
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juice_send(agent, message, strlen(message));
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}
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}
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// Agent 1: on local candidate gathered
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static void on_candidate1(juice_agent_t *agent, const char *sdp, void *user_ptr) {
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printf("Candidate 1: %s\n", sdp);
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// Agent 2: Receive it from agent 1
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juice_add_remote_candidate(agent2, sdp);
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}
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// Agent 2: on local candidate gathered
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static void on_candidate2(juice_agent_t *agent, const char *sdp, void *user_ptr) {
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printf("Candidate 2: %s\n", sdp);
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// Agent 1: Receive it from agent 2
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juice_add_remote_candidate(agent1, sdp);
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}
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// Agent 1: on local candidates gathering done
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static void on_gathering_done1(juice_agent_t *agent, void *user_ptr) {
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printf("Gathering done 1\n");
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juice_set_remote_gathering_done(agent2); // optional
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}
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// Agent 2: on local candidates gathering done
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static void on_gathering_done2(juice_agent_t *agent, void *user_ptr) {
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printf("Gathering done 2\n");
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juice_set_remote_gathering_done(agent1); // optional
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}
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// Agent 1: on message received
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static void on_recv1(juice_agent_t *agent, const char *data, size_t size, void *user_ptr) {
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char buffer[BUFFER_SIZE];
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if (size > BUFFER_SIZE - 1)
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size = BUFFER_SIZE - 1;
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memcpy(buffer, data, size);
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buffer[size] = '\0';
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printf("Received 1: %s\n", buffer);
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}
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// Agent 2: on message received
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static void on_recv2(juice_agent_t *agent, const char *data, size_t size, void *user_ptr) {
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char buffer[BUFFER_SIZE];
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if (size > BUFFER_SIZE - 1)
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size = BUFFER_SIZE - 1;
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memcpy(buffer, data, size);
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buffer[size] = '\0';
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printf("Received 2: %s\n", buffer);
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}
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