mirror of
https://github.com/mii443/libdatachannel.git
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136 lines
4.2 KiB
C
136 lines
4.2 KiB
C
/**
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* Copyright (c) 2019 Paul-Louis Ageneau
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef RTC_C_API
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#define RTC_C_API
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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// libdatachannel C API
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#ifndef RTC_ENABLE_WEBSOCKET
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#define RTC_ENABLE_WEBSOCKET 1
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#endif
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typedef enum {
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RTC_NEW = 0,
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RTC_CONNECTING = 1,
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RTC_CONNECTED = 2,
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RTC_DISCONNECTED = 3,
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RTC_FAILED = 4,
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RTC_CLOSED = 5
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} rtcState;
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typedef enum {
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RTC_GATHERING_NEW = 0,
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RTC_GATHERING_INPROGRESS = 1,
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RTC_GATHERING_COMPLETE = 2
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} rtcGatheringState;
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typedef enum { // Don't change, it must match plog severity
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RTC_LOG_NONE = 0,
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RTC_LOG_FATAL = 1,
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RTC_LOG_ERROR = 2,
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RTC_LOG_WARNING = 3,
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RTC_LOG_INFO = 4,
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RTC_LOG_DEBUG = 5,
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RTC_LOG_VERBOSE = 6
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} rtcLogLevel;
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typedef struct {
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const char **iceServers;
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int iceServersCount;
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uint16_t portRangeBegin;
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uint16_t portRangeEnd;
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} rtcConfiguration;
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typedef void (*dataChannelCallbackFunc)(int dc, void *ptr);
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typedef void (*descriptionCallbackFunc)(const char *sdp, const char *type, void *ptr);
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typedef void (*candidateCallbackFunc)(const char *cand, const char *mid, void *ptr);
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typedef void (*stateChangeCallbackFunc)(rtcState state, void *ptr);
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typedef void (*gatheringStateCallbackFunc)(rtcGatheringState state, void *ptr);
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typedef void (*openCallbackFunc)(void *ptr);
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typedef void (*closedCallbackFunc)(void *ptr);
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typedef void (*errorCallbackFunc)(const char *error, void *ptr);
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typedef void (*messageCallbackFunc)(const char *message, int size, void *ptr);
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typedef void (*bufferedAmountLowCallbackFunc)(void *ptr);
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typedef void (*availableCallbackFunc)(void *ptr);
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// Log
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void rtcInitLogger(rtcLogLevel level);
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// User pointer
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void rtcSetUserPointer(int id, void *ptr);
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// PeerConnection
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int rtcCreatePeerConnection(const rtcConfiguration *config); // returns pc id
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int rtcDeletePeerConnection(int pc);
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int rtcSetDataChannelCallback(int pc, dataChannelCallbackFunc cb);
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int rtcSetLocalDescriptionCallback(int pc, descriptionCallbackFunc cb);
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int rtcSetLocalCandidateCallback(int pc, candidateCallbackFunc cb);
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int rtcSetStateChangeCallback(int pc, stateChangeCallbackFunc cb);
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int rtcSetGatheringStateChangeCallback(int pc, gatheringStateCallbackFunc cb);
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int rtcSetRemoteDescription(int pc, const char *sdp, const char *type);
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int rtcAddRemoteCandidate(int pc, const char *cand, const char *mid);
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int rtcGetLocalAddress(int pc, char *buffer, int size);
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int rtcGetRemoteAddress(int pc, char *buffer, int size);
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// DataChannel
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int rtcCreateDataChannel(int pc, const char *label); // returns dc id
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int rtcDeleteDataChannel(int dc);
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int rtcGetDataChannelLabel(int dc, char *buffer, int size);
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// WebSocket
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#if RTC_ENABLE_WEBSOCKET
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int rtcCreateWebSocket(const char *url); // returns ws id
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int rtcDeleteWebsocket(int ws);
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#endif
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// DataChannel and WebSocket common API
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int rtcSetOpenCallback(int id, openCallbackFunc cb);
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int rtcSetClosedCallback(int id, closedCallbackFunc cb);
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int rtcSetErrorCallback(int id, errorCallbackFunc cb);
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int rtcSetMessageCallback(int id, messageCallbackFunc cb);
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int rtcSendMessage(int id, const char *data, int size);
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int rtcGetBufferedAmount(int id); // total size buffered to send
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int rtcSetBufferedAmountLowThreshold(int id, int amount);
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int rtcSetBufferedAmountLowCallback(int id, bufferedAmountLowCallbackFunc cb);
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// DataChannel and WebSocket common extended API
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int rtcGetAvailableAmount(int id); // total size available to receive
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int rtcSetAvailableCallback(int id, availableCallbackFunc cb);
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int rtcReceiveMessage(int id, char *buffer, int *size);
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// Cleanup
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void rtcCleanup();
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif
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