Example #1
0
/*
 * Handle a packet.  Returns "false" if we encounter a connection-fatal error.
 */
static bool handlePacket(JdwpState* state)
{
    JdwpNetState* netState = state->netState;
    const unsigned char* buf = netState->inputBuffer;
    JdwpReqHeader hdr;
    u4 length, id;
    u1 flags, cmdSet, cmd;
    //u2 error;
    bool reply;
    int dataLen;

    cmd = cmdSet = 0;       // shut up gcc

    /*dumpPacket(netState->inputBuffer);*/

    length = read4BE(&buf);
    id = read4BE(&buf);
    flags = read1(&buf);
    if ((flags & kJDWPFlagReply) != 0) {
        reply = true;
        /*error =*/ read2BE(&buf);
    } else {
        reply = false;
        cmdSet = read1(&buf);
        cmd = read1(&buf);
    }

    assert((int) length <= netState->inputCount);
    dataLen = length - (buf - netState->inputBuffer);

    if (!reply) {
        ExpandBuf* pReply = expandBufAlloc();

        hdr.length = length;
        hdr.id = id;
        hdr.cmdSet = cmdSet;
        hdr.cmd = cmd;
        dvmJdwpProcessRequest(state, &hdr, buf, dataLen, pReply);
        if (expandBufGetLength(pReply) > 0) {
            ssize_t cc = netState->writePacket(pReply);

            if (cc != (ssize_t) expandBufGetLength(pReply)) {
                ALOGE("Failed sending reply to debugger: %s", strerror(errno));
                expandBufFree(pReply);
                return false;
            }
        } else {
            ALOGW("No reply created for set=%d cmd=%d", cmdSet, cmd);
        }
        expandBufFree(pReply);
    } else {
        ALOGV("reply?!");
        assert(false);
    }

    ALOGV("----------");

    consumeBytes(netState, length);
    return true;
}
Example #2
0
/*
 * Handle a packet.  Returns "false" if we encounter a connection-fatal error.
 */
static bool handlePacket(JdwpState* state)
{
    JdwpNetState* netState = state->netState;
    const unsigned char* buf = netState->inputBuffer;
    JdwpReqHeader hdr;
    u4 length, id;
    u1 flags, cmdSet, cmd;
    u2 error;
    bool reply;
    int dataLen;

    cmd = cmdSet = 0;       // shut up gcc

    /*dumpPacket(netState->inputBuffer);*/

    length = read4BE(&buf);
    id = read4BE(&buf);
    flags = read1(&buf);
    if ((flags & kJDWPFlagReply) != 0) {
        reply = true;
        error = read2BE(&buf);
    } else {
        reply = false;
        cmdSet = read1(&buf);
        cmd = read1(&buf);
    }

    assert((int) length <= netState->inputCount);
    dataLen = length - (buf - netState->inputBuffer);

    if (!reply) {
        ExpandBuf* pReply = expandBufAlloc();

        hdr.length = length;
        hdr.id = id;
        hdr.cmdSet = cmdSet;
        hdr.cmd = cmd;
        dvmJdwpProcessRequest(state, &hdr, buf, dataLen, pReply);
        if (expandBufGetLength(pReply) > 0) {
            int cc;

            /*
             * TODO: we currently assume the write() will complete in one
             * go, which may not be safe for a network socket.  We may need
             * to mutex this against sendRequest().
             */
            cc = write(netState->clientSock, expandBufGetBuffer(pReply),
                    expandBufGetLength(pReply));
            if (cc != (int) expandBufGetLength(pReply)) {
                LOGE("Failed sending reply to debugger: %s\n", strerror(errno));
                expandBufFree(pReply);
                return false;
            }
        } else {
            LOGW("No reply created for set=%d cmd=%d\n", cmdSet, cmd);
        }
        expandBufFree(pReply);
    } else {
        LOGV("reply?!\n");
        assert(false);
    }

    LOGV("----------\n");

    consumeBytes(netState, length);
    return true;
}