This tool will be used to test Android Bluetooth HAL implementation. --- android/Android.mk | 17 ++++++ android/hal-client/haltest.c | 51 ++++++++++++++++ android/hal-client/pollhandler.c | 123 ++++++++++++++++++++++++++++++++++++++ android/hal-client/pollhandler.h | 26 ++++++++ 4 files changed, 217 insertions(+) create mode 100644 android/hal-client/haltest.c create mode 100644 android/hal-client/pollhandler.c create mode 100644 android/hal-client/pollhandler.h diff --git a/android/Android.mk b/android/Android.mk index 0e025ac..c84fbe3 100644 --- a/android/Android.mk +++ b/android/Android.mk @@ -49,3 +49,20 @@ LOCAL_MODULE_TAGS := optional LOCAL_MODULE_CLASS := SHARED_LIBRARIES include $(BUILD_SHARED_LIBRARY) + +# +# haltest +# + +include $(CLEAR_VARS) + +LOCAL_SRC_FILES := \ + hal-client/haltest.c \ + hal-client/pollhandler.c \ + +LOCAL_SHARED_LIBRARIES := libhardware + +LOCAL_MODULE_TAGS := optional +LOCAL_MODULE := haltest + +include $(BUILD_EXECUTABLE) diff --git a/android/hal-client/haltest.c b/android/hal-client/haltest.c new file mode 100644 index 0000000..11cdd97 --- /dev/null +++ b/android/hal-client/haltest.c @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2013 Intel Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#include <stdlib.h> +#include <poll.h> +#include <unistd.h> + +#include "pollhandler.h" + + +/* called when there is something on stdin */ +static void stdin_handler(struct pollfd *pollfd) +{ + char buf[10]; + + if (pollfd->revents & POLLIN) { + int count = read(0, buf, 10); + + if (count > 0) { + int i; + + for (i = 0; i < count; ++i) { + /* TODO: process input */ + } + } + } +} + +int main(int argc, char **argv) +{ + /* Register command line handler */ + poll_register_fd(0, POLLIN, stdin_handler); + + poll_dispatch_loop(); + + return 0; +} diff --git a/android/hal-client/pollhandler.c b/android/hal-client/pollhandler.c new file mode 100644 index 0000000..4e982b8 --- /dev/null +++ b/android/hal-client/pollhandler.c @@ -0,0 +1,123 @@ +/* + * Copyright (C) 2013 Intel Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#include <stdio.h> +#include <errno.h> +#include <poll.h> + +#include "pollhandler.h" + +/* + * Code that allows to poll multiply file descriptors for events + * File descriptors can be added and removed at runtime + * + * Call poll_register_fd function first to add file descriptors to monitor + * Then call poll_dispatch_loop that will poll all registered file descriptors + * as long as they are not unregistered. + * + * When event happen on given fd appropriate user supplied handler is called + */ + +/* Maximum number of files to monitor */ +#define MAX_OPEN_FD 10 + +/* Storage for pollfd structures for monitored file descriptors */ +static struct pollfd fds[MAX_OPEN_FD]; +static poll_handler fds_handler[MAX_OPEN_FD]; +/* Number of registered file descriptors */ +static int fds_count = 0; + +/* + * Function polls file descriptor in loop and calls appropriate handler + * on event. Function returns when there is no more file descriptor to + * monitor + */ +void poll_dispatch_loop(void) +{ + while (fds_count > 0) { + int i; + int cur_fds_count = fds_count; + int ready = poll(fds, fds_count, 1000); + + for (i = 0; i < fds_count && ready > 0; ++i) { + if (fds[i].revents == 0) + continue; + + fds_handler[i](fds + i); + ready--; + /* + * If handler was remove from table + * just skip the rest and poll again + * This is due to reordering of tables in + * register/unregister functions + */ + if (cur_fds_count != fds_count) + break; + } + /* + * This seems to be needed for correct output handling + * when all waiting is performed in poll + */ + fflush(stdout); + } +} + +/* + * Registers file descriptor to be monitored for events (see man poll(2)) + * for events. + * + * return non negative value on success + * -EMFILE when there are to much descriptors + */ +int poll_register_fd(int fd, short events, poll_handler ph) +{ + if (fds_count >= MAX_OPEN_FD) + return -EMFILE; + + fds_handler[fds_count] = ph; + fds[fds_count].fd = fd; + fds[fds_count].events = events; + fds_count++; + + return fds_count; +} + +/* + * Unregisters file descriptor + * Both fd and ph must match previously registered data + * + * return 0 if unregister succeeded + * -EBADF if arguments do not match any register handler + */ +int poll_unregister_fd(int fd, poll_handler ph) +{ + int i; + + for (i = 0; i < fds_count; ++i) { + if (fds_handler[i] == ph && fds[i].fd == fd) { + fds_count--; + if (i < fds_count) { + fds[i].fd = fds[fds_count].fd; + fds[i].events = fds[fds_count].events; + fds_handler[i] = fds_handler[fds_count]; + } + return 0; + } + } + return -EBADF; +} + diff --git a/android/hal-client/pollhandler.h b/android/hal-client/pollhandler.h new file mode 100644 index 0000000..e2f22df --- /dev/null +++ b/android/hal-client/pollhandler.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2013 Intel Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#include <poll.h> + +/* Function to be called when there are event for some descriptor */ +typedef void (*poll_handler)(struct pollfd *pollfd); + +int poll_register_fd(int fd, short events, poll_handler ph); +int poll_unregister_fd(int fd, poll_handler ph); + +void poll_dispatch_loop(void); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
