diff options
Diffstat (limited to 'src/tools/wg-quick/android/binder_ndk.h')
| -rw-r--r-- | src/tools/wg-quick/android/binder_ndk.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/tools/wg-quick/android/binder_ndk.h b/src/tools/wg-quick/android/binder_ndk.h new file mode 100644 index 0000000..55f35eb --- /dev/null +++ b/src/tools/wg-quick/android/binder_ndk.h @@ -0,0 +1,134 @@ +#pragma once + +#include <stdbool.h> +#include <stdint.h> +#include <errno.h> +#include <string.h> + +#define _cleanup_status_ __attribute__((__cleanup__(cleanup_status))) +#define _cleanup_parcel_ __attribute__((__cleanup__(cleanup_parcel))) +#define _cleanup_binder_ __attribute__((__cleanup__(cleanup_binder))) + +bool binder_is_available(void); + +typedef int32_t binder_status_t; +typedef int32_t binder_exception_t; +typedef uint32_t transaction_code_t; +typedef uint32_t binder_flags_t; + +/* values are from AOSP repository platform/frameworks/native + * in libs/binder/ndk/include_ndk/android/binder_status.h + */ + +enum { + STATUS_OK = 0, + STATUS_UNKNOWN_ERROR = -2147483647 - 1, + STATUS_NO_MEMORY = -ENOMEM, + STATUS_INVALID_OPERATION = -ENOSYS, + STATUS_BAD_VALUE = -EINVAL, + STATUS_BAD_TYPE = STATUS_UNKNOWN_ERROR + 1, + STATUS_NAME_NOT_FOUND = -ENOENT, + STATUS_PERMISSION_DENIED = -EPERM, + STATUS_NO_INIT = -ENODEV, + STATUS_ALREADY_EXISTS = -EEXIST, + STATUS_DEAD_OBJECT = -EPIPE, + STATUS_FAILED_TRANSACTION = STATUS_UNKNOWN_ERROR + 2, + STATUS_BAD_INDEX = -EOVERFLOW, + STATUS_NOT_ENOUGH_DATA = -ENODATA, + STATUS_WOULD_BLOCK = -EWOULDBLOCK, + STATUS_TIMED_OUT = -ETIMEDOUT, + STATUS_UNKNOWN_TRANSACTION = -EBADMSG, + STATUS_FDS_NOT_ALLOWED = STATUS_UNKNOWN_ERROR + 7, + STATUS_UNEXPECTED_NULL = STATUS_UNKNOWN_ERROR + 8 +}; + +enum { + EX_NONE = 0, + EX_SECURITY = -1, + EX_BAD_PARCELABLE = -2, + EX_ILLEGAL_ARGUMENT = -3, + EX_NULL_POINTER = -4, + EX_ILLEGAL_STATE = -5, + EX_NETWORK_MAIN_THREAD = -6, + EX_UNSUPPORTED_OPERATION = -7, + EX_SERVICE_SPECIFIC = -8, + EX_PARCELABLE = -9, + EX_TRANSACTION_FAILED = -129 +}; + +enum { + FLAG_ONEWAY = 0x01, +}; + +enum { + FIRST_CALL_TRANSACTION = 0x00000001, + LAST_CALL_TRANSACTION = 0x00ffffff +}; + +struct AIBinder; +struct AParcel; +struct AStatus; +struct AIBinder_Class; + +typedef struct AIBinder AIBinder; +typedef struct AParcel AParcel; +typedef struct AStatus AStatus; +typedef struct AIBinder_Class AIBinder_Class; + +typedef void *(*AIBinder_Class_onCreate)(void *args); +typedef void (*AIBinder_Class_onDestroy)(void *userData); +typedef binder_status_t (*AIBinder_Class_onTransact)(AIBinder *binder, transaction_code_t code, const AParcel *in, AParcel *out); +typedef const char *(*AParcel_stringArrayElementGetter)(const void *arrayData, size_t index, int32_t *outLength); + +/* function pointers to the libbinder_ndk.so symbols, + * NULL if they cannot be loaded */ +extern AIBinder_Class *(*AIBinder_Class_define)(const char *interfaceDescriptor, AIBinder_Class_onCreate onCreate, AIBinder_Class_onDestroy onDestroy, AIBinder_Class_onTransact onTransact) __attribute__((warn_unused_result)); +extern bool (*AIBinder_associateClass)(AIBinder *binder, const AIBinder_Class *clazz); +extern void (*AIBinder_decStrong)(AIBinder *binder); +extern binder_status_t (*AIBinder_prepareTransaction)(AIBinder *binder, AParcel **in); +extern binder_status_t (*AIBinder_transact)(AIBinder *binder, transaction_code_t code, AParcel **in, AParcel **out, binder_flags_t flags); +extern binder_status_t (*AIBinder_ping)(AIBinder *binder); +extern binder_status_t (*AIBinder_dump)(AIBinder *binder, int fd, const char **args, uint32_t numArgs); +extern binder_status_t (*AParcel_readStatusHeader)(const AParcel *parcel, AStatus **status); +extern binder_status_t (*AParcel_readBool)(const AParcel *parcel, bool *value); +extern void (*AParcel_delete)(AParcel *parcel); +extern binder_status_t (*AParcel_setDataPosition)(const AParcel *parcel, int32_t position); +extern int32_t (*AParcel_getDataPosition)(const AParcel *parcel); +extern binder_status_t (*AParcel_writeInt32)(AParcel *parcel, int32_t value); +extern binder_status_t (*AParcel_writeStringArray)(AParcel *parcel, const void *arrayData, int32_t length, AParcel_stringArrayElementGetter getter); +extern binder_status_t (*AParcel_readStatusHeader)(const AParcel *parcel, AStatus **status); +extern binder_status_t (*AParcel_writeString)(AParcel *parcel, const char *string, int32_t length); +extern bool (*AStatus_isOk)(const AStatus *status); +extern void (*AStatus_delete)(AStatus *status); +extern binder_exception_t (*AStatus_getExceptionCode)(const AStatus *status); +extern int32_t (*AStatus_getServiceSpecificError)(const AStatus *status); +extern const char* (*AStatus_getMessage)(const AStatus *status); +extern binder_status_t (*AStatus_getStatus)(const AStatus *status); +extern AIBinder *(*AServiceManager_getService)(const char *instance) __attribute__((__warn_unused_result__)); + +void cleanup_binder(AIBinder **); +void cleanup_status(AStatus **); +void cleanup_parcel(AParcel **); + +static inline int32_t string_size(const char *str) +{ + return str ? strlen(str) : -1; +} + +static inline int32_t string_array_size(char *const *array) +{ + int32_t size = -1; + if (!array) + return size; + for (size = 0; array[size]; ++size); + return size; +} + +static inline const char *string_array_getter(const void *array_data, size_t index, int32_t *outlength) +{ + const char **array = (const char **)array_data; + *outlength = array[index] ? strlen(array[index]) : -1; + return array[index]; +} + +binder_status_t meaningful_binder_status(const AStatus *status_out); |