am c3755684: am eee68196: am 0b743df4: Merge "Add unit tests for local socket." (81988935) · Commits · e / os / android_system_core

adb/Android.mk

+2 −0

Original line number	Diff line number	Diff line
		@@ -74,9 +74,11 @@ LIBADB_windows_SRC_FILES := \

		LIBADB_TEST_linux_SRCS := \
		fdevent_test.cpp \
		socket_test.cpp \

		LIBADB_TEST_darwin_SRCS := \
		fdevent_test.cpp \
		socket_test.cpp \

		LIBADB_TEST_windows_SRCS := \
		sysdeps_win32_test.cpp \

adb/adb.cpp

+4 −1

Original line number	Diff line number	Diff line
		@@ -162,6 +162,9 @@ std::string get_trace_setting() {
		// adbd's comes from the system property persist.adb.trace_mask.
		static void setup_trace_mask() {
		const std::string trace_setting = get_trace_setting();
		if (trace_setting.empty()) {
		return;
		}

		std::unordered_map<std::string, int> trace_flags = {
		{"1", 0},
		@@ -184,7 +187,7 @@ static void setup_trace_mask() {
		for (const auto& elem : elements) {
		const auto& flag = trace_flags.find(elem);
		if (flag == trace_flags.end()) {
		D("Unknown trace flag: %s", flag->first.c_str());
		D("Unknown trace flag: %s", elem.c_str());
		continue;
		}

adb/adb.h

+1 −85

Original line number	Diff line number	Diff line
		@@ -26,6 +26,7 @@

		#include "adb_trace.h"
		#include "fdevent.h"
		#include "socket.h"

		constexpr size_t MAX_PAYLOAD_V1 = 4 * 1024;
		constexpr size_t MAX_PAYLOAD_V2 = 256 * 1024;
		@@ -74,80 +75,6 @@ struct apacket
		unsigned char data[MAX_PAYLOAD];
		};

		/* An asocket represents one half of a connection between a local and
		** remote entity. A local asocket is bound to a file descriptor. A
		** remote asocket is bound to the protocol engine.
		*/
		struct asocket {
		/* chain pointers for the local/remote list of
		** asockets that this asocket lives in
		*/
		asocket *next;
		asocket *prev;

		/* the unique identifier for this asocket
		*/
		unsigned id;

		/* flag: set when the socket's peer has closed
		** but packets are still queued for delivery
		*/
		int closing;

		/* flag: quit adbd when both ends close the
		** local service socket
		*/
		int exit_on_close;

		/* the asocket we are connected to
		*/

		asocket *peer;

		/* For local asockets, the fde is used to bind
		** us to our fd event system. For remote asockets
		** these fields are not used.
		*/
		fdevent fde;
		int fd;

		/* queue of apackets waiting to be written
		*/
		apacket *pkt_first;
		apacket *pkt_last;

		/* enqueue is called by our peer when it has data
		** for us. It should return 0 if we can accept more
		** data or 1 if not. If we return 1, we must call
		** peer->ready() when we once again are ready to
		** receive data.
		*/
		int (enqueue)(asocket s, apacket *pkt);

		/* ready is called by the peer when it is ready for
		** us to send data via enqueue again
		*/
		void (ready)(asocket s);

		/* shutdown is called by the peer before it goes away.
		** the socket should not do any further calls on its peer.
		** Always followed by a call to close. Optional, i.e. can be NULL.
		*/
		void (shutdown)(asocket s);

		/* close is called by the peer when it has gone away.
		** we are not allowed to make any further calls on the
		** peer once our close method is called.
		*/
		void (close)(asocket s);

		/* A socket is bound to atransport */
		atransport *transport;

		size_t get_max_payload() const;
		};


		/* the adisconnect structure is used to record a callback that
		** will be called whenever a transport is disconnected (e.g. by the user)
		** this should be used to cleanup objects that depend on the
		@@ -215,18 +142,7 @@ struct alistener

		void print_packet(const char label, apacket p);

		asocket *find_local_socket(unsigned local_id, unsigned remote_id);
		void install_local_socket(asocket *s);
		void remove_socket(asocket *s);
		void close_all_sockets(atransport *t);

		asocket *create_local_socket(int fd);
		asocket create_local_service_socket(const char destination,
		const atransport* transport);

		asocket create_remote_socket(unsigned id, atransport t);
		void connect_to_remote(asocket s, const char destination);
		void connect_to_smartsocket(asocket *s);

		void fatal(const char *fmt, ...) __attribute__((noreturn));
		void fatal_errno(const char *fmt, ...) __attribute__((noreturn));

adb/fdevent.cpp

+18 −6

Original line number	Diff line number	Diff line
		@@ -219,6 +219,9 @@ static void fdevent_process() {
		return;
		}
		for (auto& pollfd : pollfds) {
		if (pollfd.revents != 0) {
		D("for fd %d, revents = %x", pollfd.fd, pollfd.revents);
		}
		unsigned events = 0;
		if (pollfd.revents & POLLIN) {
		events \|= FDE_READ;
		@@ -337,3 +340,12 @@ void fdevent_loop()
		}
		}
		}

		size_t fdevent_installed_count() {
		return g_poll_node_map.size();
		}

		void fdevent_reset() {
		g_poll_node_map.clear();
		g_pending_list.clear();
		}

adb/fdevent.h

+19 −15

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		#ifndef __FDEVENT_H
		#define __FDEVENT_H

		#include <stddef.h>
		#include <stdint.h> /* for int64_t */

		/* events that may be observed */
		@@ -27,10 +28,22 @@
		/* features that may be set (via the events set/add/del interface) */
		#define FDE_DONT_CLOSE 0x0080

		struct fdevent;

		typedef void (fd_func)(int fd, unsigned events, void userdata);

		struct fdevent {
		fdevent *next;
		fdevent *prev;

		int fd;
		int force_eof;

		uint16_t state;
		uint16_t events;

		fd_func func;
		void *arg;
		};

		/* Allocate and initialize a new fdevent object
		* Note: use FD_TIMER as 'fd' to create a fd-less object
		* (used to implement timers).
		@@ -63,18 +76,9 @@ void fdevent_set_timeout(fdevent *fde, int64_t timeout_ms);
		*/
		void fdevent_loop();

		struct fdevent {
		fdevent *next;
		fdevent *prev;

		int fd;
		int force_eof;

		uint16_t state;
		uint16_t events;

		fd_func func;
		void *arg;
		};
		// For debugging only.
		size_t fdevent_installed_count();
		// For debugging only.
		void fdevent_reset();

		#endif