bool GDBStubListen(struct GDBStub* stub, int port, const struct Address* bindAddress) {
if (!SOCKET_FAILED(stub->socket)) {
GDBStubShutdown(stub);
}
stub->socket = SocketOpenTCP(port, bindAddress);
if (SOCKET_FAILED(stub->socket)) {
mLOG(DEBUGGER, ERROR, "Couldn't open socket");
return false;
}
if (!SocketSetBlocking(stub->socket, false)) {
goto cleanup;
}
int err = SocketListen(stub->socket, 1);
if (err) {
goto cleanup;
}
return true;
cleanup:
mLOG(DEBUGGER, ERROR, "Couldn't listen on port");
SocketClose(stub->socket);
stub->socket = INVALID_SOCKET;
return false;
}
static bool _mPerfRunServer(const char* listen, const struct mArguments* args, const struct PerfOpts* perfOpts) {
SocketSubsystemInit();
Socket server = SocketOpenTCP(7216, NULL);
if (SOCKET_FAILED(server)) {
SocketSubsystemDeinit();
return false;
}
if (SOCKET_FAILED(SocketListen(server, 0))) {
SocketClose(server);
SocketSubsystemDeinit();
return false;
}
_socket = SocketAccept(server, NULL);
if (perfOpts->csv) {
const char* header = "game_code,frames,duration,renderer\n";
SocketSend(_socket, header, strlen(header));
}
char path[PATH_MAX];
while (SocketRecv(_socket, path, sizeof(path)) > 0) {
char* nl = strchr(path, '\n');
if (nl == path) {
break;
}
if (nl) {
nl[0] = '\0';
}
if (!_mPerfRunCore(path, args, perfOpts)) {
break;
}
}
SocketClose(_socket);
SocketClose(server);
SocketSubsystemDeinit();
return true;
}
void GDBStubShutdown(struct GDBStub* stub) {
GDBStubHangup(stub);
if (!SOCKET_FAILED(stub->socket)) {
SocketClose(stub->socket);
stub->socket = INVALID_SOCKET;
}
}
void GDBStubHangup(struct GDBStub* stub) {
if (!SOCKET_FAILED(stub->connection)) {
SocketClose(stub->connection);
stub->connection = INVALID_SOCKET;
}
if (stub->d.state == DEBUGGER_PAUSED) {
stub->d.state = DEBUGGER_RUNNING;
}
}
void GDBStubUpdate(struct GDBStub* stub) {
if (stub->socket == INVALID_SOCKET) {
if (stub->d.state == DEBUGGER_PAUSED) {
stub->d.state = DEBUGGER_RUNNING;
}
return;
}
if (stub->connection == INVALID_SOCKET) {
if (stub->shouldBlock) {
Socket reads = stub->socket;
SocketPoll(1, &reads, 0, 0, SOCKET_TIMEOUT);
}
stub->connection = SocketAccept(stub->socket, 0);
if (!SOCKET_FAILED(stub->connection)) {
if (!SocketSetBlocking(stub->connection, false)) {
goto connectionLost;
}
mDebuggerEnter(&stub->d, DEBUGGER_ENTER_ATTACHED, 0);
} else if (SocketWouldBlock()) {
return;
} else {
goto connectionLost;
}
}
while (true) {
if (stub->shouldBlock) {
Socket reads = stub->connection;
SocketPoll(1, &reads, 0, 0, SOCKET_TIMEOUT);
}
ssize_t messageLen = SocketRecv(stub->connection, stub->line, GDB_STUB_MAX_LINE - 1);
if (messageLen == 0) {
goto connectionLost;
}
if (messageLen == -1) {
if (SocketWouldBlock()) {
return;
}
goto connectionLost;
}
stub->line[messageLen] = '\0';
mLOG(DEBUGGER, DEBUG, "< %s", stub->line);
ssize_t position = 0;
while (position < messageLen) {
position += _parseGDBMessage(stub, &stub->line[position]);
}
}
connectionLost:
mLOG(DEBUGGER, WARN, "Connection lost");
GDBStubHangup(stub);
}
static void _gdbStubDeinit(struct mDebugger* debugger) {
struct GDBStub* stub = (struct GDBStub*) debugger;
if (!SOCKET_FAILED(stub->socket)) {
GDBStubShutdown(stub);
}
}