fastboot: Support larger transfers during flash
Adding methods to queue and download flashable images by fd instead of
by pointer, so that we can deal with sending large (up to 4GB) files
on windows and linux. This gets past limitations on linux to read
more than 2GB from a file at a time, as well as memory limitations
on win32, in order to download up to 4GB in a single transfer.
Test: fastboot -w
Test: "flash-all" from nexus factory images site (incl. fastboot -w update)
Test: fastboot flash with large and small image, large and small max-download-size
Test: Sanity check flashing on win32, darwin, linux.
Test: Sanity check 3GB image download (with 3GB max-download-size)
on win32, darwin, linux.
Bug: 36810152
Change-Id: I528d739d344eb080d59d721dadf3b3b34d4b375e
diff --git a/fastboot/fastboot.h b/fastboot/fastboot.h
index b62a2d8..3f95270 100644
--- a/fastboot/fastboot.h
+++ b/fastboot/fastboot.h
@@ -42,6 +42,7 @@
int fb_command(Transport* transport, const char* cmd);
int fb_command_response(Transport* transport, const char* cmd, char* response);
int64_t fb_download_data(Transport* transport, const void* data, uint32_t size);
+int64_t fb_download_data_fd(Transport* transport, int fd, uint32_t size);
int fb_download_data_sparse(Transport* transport, struct sparse_file* s);
const std::string fb_get_error();
@@ -51,6 +52,7 @@
/* engine.c - high level command queue engine */
bool fb_getvar(Transport* transport, const std::string& key, std::string* value);
void fb_queue_flash(const char *ptn, void *data, uint32_t sz);
+void fb_queue_flash_fd(const char *ptn, int fd, uint32_t sz);
void fb_queue_flash_sparse(const char* ptn, struct sparse_file* s, uint32_t sz, size_t current,
size_t total);
void fb_queue_erase(const char *ptn);