#include "ipc.h"
#include "ipc/ipcconn.h"
#include "logging.h"
#include <stdbool.h>
#include <stdlib.h>
typedef struct _flib_ipc {
flib_ipcconn connection;
IpcConnState oldConnState;
void (*onConnectCb)(void*);
void *onConnectCtx;
void (*onDisconnectCb)(void*);
void *onDisconnectCtx;
void (*onConfigQueryCb)(void*);
void *onConfigQueryCtx;
void (*onEngineErrorCb)(void*, const uint8_t*);
void *onEngineErrorCtx;
void (*onGameEndCb)(void*, int);
void *onGameEndCtx;
void (*onChatCb)(void*, const uint8_t*, int);
void *onChatCtx;
void (*onEngineMessageCb)(void*, const uint8_t*, int);
void *onEngineMessageCtx;
bool running;
bool destroyRequested;
} _flib_ipc;
static void emptyCallback(void* ptr) {}
static void emptyCallback_int(void* ptr, int i) {}
static void emptyCallback_str(void* ptr, const uint8_t* str) {}
static void emptyCallback_str_int(void* ptr, const uint8_t* str, int i) {}
static void clearCallbacks(flib_ipc ipc) {
ipc->onConnectCb = &emptyCallback;
ipc->onDisconnectCb = &emptyCallback;
ipc->onConfigQueryCb = &emptyCallback;
ipc->onEngineErrorCb = &emptyCallback_str;
ipc->onGameEndCb = &emptyCallback_int;
ipc->onChatCb = &emptyCallback_str_int;
ipc->onEngineMessageCb = &emptyCallback_str_int;
}
flib_ipc flib_ipc_create(bool recordDemo, const char *localPlayerName) {
flib_ipc result = malloc(sizeof(_flib_ipc));
flib_ipcconn connection = flib_ipcconn_create(recordDemo, localPlayerName);
if(!result || !connection) {
free(result);
flib_ipcconn_destroy(&connection);
return NULL;
}
result->connection = connection;
result->oldConnState = IPC_LISTENING;
result->running = false;
result->destroyRequested = false;
clearCallbacks(result);
return result;
}
void flib_ipc_destroy(flib_ipc *ipcptr) {
if(!ipcptr || !*ipcptr) {
return;
}
flib_ipc ipc = *ipcptr;
if(ipc->running) {
// The function was called from a callback of this ipc connection,
// so the tick function is still running and we delay the actual
// destruction. We ensure no further callbacks will be sent to prevent
// surprises.
clearCallbacks(ipc);
ipc->destroyRequested = true;
} else {
flib_ipcconn_destroy(&ipc->connection);
free(ipc);
}
*ipcptr = NULL;
}
void flib_ipc_onConnect(flib_ipc ipc, void (*callback)(void* context), void* context) {
if(!ipc) {
flib_log_w("Call to flib_ipc_onConnect with ipc==null");
return;
}
ipc->onConnectCb = callback ? callback : &emptyCallback;
ipc->onConnectCtx = context;
}
void flib_ipc_onDisconnect(flib_ipc ipc, void (*callback)(void* context), void* context) {
if(!ipc) {
flib_log_w("Call to flib_ipc_onDisconnect with ipc==null");
return;
}
ipc->onDisconnectCb = callback ? callback : &emptyCallback;
ipc->onDisconnectCtx = context;
}
void flib_ipc_onConfigQuery(flib_ipc ipc, void (*callback)(void* context), void* context) {
if(!ipc) {
flib_log_w("Call to flib_ipc_onConfigQuery with ipc==null");
return;
}
ipc->onConfigQueryCb = callback ? callback : &emptyCallback;
ipc->onConfigQueryCtx = context;
}
void flib_ipc_onEngineError(flib_ipc ipc, void (*callback)(void* context, const uint8_t *error), void* context) {
if(!ipc) {
flib_log_w("Call to flib_ipc_onEngineError with ipc==null");
return;
}
ipc->onEngineErrorCb = callback ? callback : &emptyCallback_str;
ipc->onEngineErrorCtx = context;
}
void flib_ipc_onGameEnd(flib_ipc ipc, void (*callback)(void* context, int gameEndType), void* context) {
if(!ipc) {
flib_log_w("Call to flib_ipc_onGameEnd with ipc==null");
return;
}
ipc->onGameEndCb = callback ? callback : &emptyCallback_int;
ipc->onGameEndCtx = context;
}
void flib_ipc_onChat(flib_ipc ipc, void (*callback)(void* context, const uint8_t *messagestr, int teamchat), void* context) {
if(!ipc) {
flib_log_w("Call to flib_ipc_onChat with ipc==null");
return;
}
ipc->onChatCb = callback ? callback : &emptyCallback_str_int;
ipc->onChatCtx = context;
}
void flib_ipc_onEngineMessage(flib_ipc ipc, void (*callback)(void* context, const uint8_t *message, int len), void* context) {
if(!ipc) {
flib_log_w("Call to flib_ipc_onEngineMessage with ipc==null");
return;
}
ipc->onEngineMessageCb = callback ? callback : &emptyCallback_str_int;
ipc->onEngineMessageCtx = context;
}
static void flib_ipc_wrappedtick(flib_ipc ipc) {
if(ipc->oldConnState == IPC_NOT_CONNECTED) {
return;
}
if(ipc->oldConnState == IPC_LISTENING) {
flib_ipcconn_accept(ipc->connection);
if(flib_ipcconn_state(ipc->connection) == IPC_CONNECTED) {
ipc->oldConnState = IPC_CONNECTED;
ipc->onConnectCb(ipc->onConnectCtx);
}
}
if(ipc->oldConnState == IPC_CONNECTED) {
uint8_t msgbuffer[257];
int len;
while(!ipc->destroyRequested && (len = flib_ipcconn_recv_message(ipc->connection, msgbuffer))>=0) {
if(len<2) {
flib_log_w("Received short message from IPC (<2 bytes)");
continue;
}
msgbuffer[len] = 0;
flib_log_i("[IPC in] %s", msgbuffer+1);
switch(msgbuffer[1]) {
case '?':
flib_ipcconn_send_messagestr(ipc->connection, "!");
break;
case 'C':
ipc->onConfigQueryCb(ipc->onConfigQueryCtx);
break;
case 'E':
if(len>=3) {
msgbuffer[len-2] = 0;
ipc->onEngineErrorCb(ipc->onEngineErrorCtx, msgbuffer+2);
}
break;
case 'i':
// TODO
break;
case 'Q':
ipc->onGameEndCb(ipc->onGameEndCtx, GAME_END_INTERRUPTED);
break;
case 'q':
ipc->onGameEndCb(ipc->onGameEndCtx, GAME_END_FINISHED);
break;
case 'H':
ipc->onGameEndCb(ipc->onGameEndCtx, GAME_END_HALTED);
break;
case 's':
if(len>=3) {
msgbuffer[len-2] = 0;
ipc->onChatCb(ipc->onChatCtx, msgbuffer+2, 0);
}
break;
case 'b':
if(len>=3) {
msgbuffer[len-2] = 0;
ipc->onChatCb(ipc->onChatCtx, msgbuffer+2, 1);
}
break;
default:
ipc->onEngineMessageCb(ipc->onEngineMessageCtx, msgbuffer, len);
break;
}
}
}
if(flib_ipcconn_state(ipc->connection) == IPC_NOT_CONNECTED) {
ipc->oldConnState = IPC_NOT_CONNECTED;
ipc->onDisconnectCb(ipc->onDisconnectCtx);
}
}
void flib_ipc_tick(flib_ipc ipc) {
if(!ipc) {
flib_log_w("Call to flib_ipc_tick with ipc==null");
return;
}
if(ipc->running) {
flib_log_w("Call to flib_ipc_tick from a callback");
return;
}
ipc->running = true;
flib_ipc_wrappedtick(ipc);
ipc->running = false;
if(ipc->destroyRequested) {
flib_ipc_destroy(&ipc);
}
}
int flib_ipc_send_raw(flib_ipc ipc, void *data, size_t len) {
if(!ipc) {
flib_log_w("Call to flib_ipc_send_raw with ipc==null");
return -1;
}
return flib_ipcconn_send_raw(ipc->connection, data, len);
}
int flib_ipc_send_message(flib_ipc ipc, void *data, size_t len) {
if(!ipc) {
flib_log_w("Call to flib_ipc_send_message with ipc==null");
return -1;
}
return flib_ipcconn_send_message(ipc->connection, data, len);
}
int flib_ipc_send_messagestr(flib_ipc ipc, char *data) {
if(!ipc) {
flib_log_w("Call to flib_ipc_send_messagestr with ipc==null");
return -1;
}
return flib_ipcconn_send_messagestr(ipc->connection, data);
}
uint16_t flib_ipc_port(flib_ipc ipc) {
if(!ipc) {
flib_log_w("Call to flib_ipc_send_messagestr with ipc==null");
return 0;
}
return flib_ipcconn_port(ipc->connection);
}
flib_constbuffer flib_ipc_getdemo(flib_ipc ipc) {
if(!ipc) {
flib_log_w("Call to flib_ipc_send_messagestr with ipc==null");
flib_constbuffer result = {NULL, 0};
return result;
}
return flib_ipcconn_getrecord(ipc->connection, false);
}