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platform_system_core
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Merge "Make connection states a proper type."

This commit is contained in:
Dan Albert 2015-05-19 00:29:53 +00:00 committed by Gerrit Code Review
parent 155f7ac796 dcd78a15d0
commit d92fd41f69
8 changed files with 68 additions and 67 deletions
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38
adb/adb.cpp
View File

@ -369,24 +369,24 @@ void parse_banner(const char* banner, atransport* t) {
const std::string& type = pieces[0];
if (type == "bootloader") {
D("setting connection_state to CS_BOOTLOADER\n");
t->connection_state = CS_BOOTLOADER;
D("setting connection_state to kCsBootloader\n");
t->connection_state = kCsBootloader;
update_transports();
} else if (type == "device") {
D("setting connection_state to CS_DEVICE\n");
t->connection_state = CS_DEVICE;
D("setting connection_state to kCsDevice\n");
t->connection_state = kCsDevice;
update_transports();
} else if (type == "recovery") {
D("setting connection_state to CS_RECOVERY\n");
t->connection_state = CS_RECOVERY;
D("setting connection_state to kCsRecovery\n");
t->connection_state = kCsRecovery;
update_transports();
} else if (type == "sideload") {
D("setting connection_state to CS_SIDELOAD\n");
t->connection_state = CS_SIDELOAD;
D("setting connection_state to kCsSideload\n");
t->connection_state = kCsSideload;
update_transports();
} else {
D("setting connection_state to CS_HOST\n");
t->connection_state = CS_HOST;
D("setting connection_state to kCsHost\n");
t->connection_state = kCsHost;
}
}
@ -406,7 +406,7 @@ void handle_packet(apacket *p, atransport *t)
send_packet(p, t);
if(HOST) send_connect(t);
} else {
t->connection_state = CS_OFFLINE;
t->connection_state = kCsOffline;
handle_offline(t);
send_packet(p, t);
}
@ -414,8 +414,8 @@ void handle_packet(apacket *p, atransport *t)
case A_CNXN: /* CONNECT(version, maxdata, "system-id-string") */
/* XXX verify version, etc */
if(t->connection_state != CS_OFFLINE) {
t->connection_state = CS_OFFLINE;
if(t->connection_state != kCsOffline) {
t->connection_state = kCsOffline;
handle_offline(t);
}
@ -431,7 +431,7 @@ void handle_packet(apacket *p, atransport *t)
case A_AUTH:
if (p->msg.arg0 == ADB_AUTH_TOKEN) {
t->connection_state = CS_UNAUTHORIZED;
t->connection_state = kCsUnauthorized;
t->key = adb_auth_nextkey(t->key);
if (t->key) {
send_auth_response(p->data, p->msg.data_length, t);
@ -757,7 +757,7 @@ int handle_forward_request(const char* service, TransportType type, const char*
}
std::string error_msg;
transport = acquire_one_transport(CS_ANY, type, serial, &error_msg);
transport = acquire_one_transport(kCsAny, type, serial, &error_msg);
if (!transport) {
SendFail(reply_fd, error_msg);
return 1;
@ -826,7 +826,7 @@ int handle_host_request(const char* service, TransportType type,
}
std::string error_msg = "unknown failure";
transport = acquire_one_transport(CS_ANY, type, serial, &error_msg);
transport = acquire_one_transport(kCsAny, type, serial, &error_msg);
if (transport) {
s->transport = transport;
@ -889,7 +889,7 @@ int handle_host_request(const char* service, TransportType type,
if(!strncmp(service,"get-serialno",strlen("get-serialno"))) {
const char *out = "unknown";
transport = acquire_one_transport(CS_ANY, type, serial, NULL);
transport = acquire_one_transport(kCsAny, type, serial, NULL);
if (transport && transport->serial) {
out = transport->serial;
}
@ -899,7 +899,7 @@ int handle_host_request(const char* service, TransportType type,
}
if(!strncmp(service,"get-devpath",strlen("get-devpath"))) {
const char *out = "unknown";
transport = acquire_one_transport(CS_ANY, type, serial, NULL);
transport = acquire_one_transport(kCsAny, type, serial, NULL);
if (transport && transport->devpath) {
out = transport->devpath;
}
@ -916,7 +916,7 @@ int handle_host_request(const char* service, TransportType type,
}
if(!strncmp(service,"get-state",strlen("get-state"))) {
transport = acquire_one_transport(CS_ANY, type, serial, NULL);
transport = acquire_one_transport(kCsAny, type, serial, NULL);
SendOkay(reply_fd);
SendProtocolString(reply_fd, transport->connection_state_name());
return 0;

26
adb/adb.h
View File

@ -170,6 +170,18 @@ enum TransportType {
#define TOKEN_SIZE 20
enum ConnectionState {
kCsAny = -1,
kCsOffline = 0,
kCsBootloader,
kCsDevice,
kCsHost,
kCsRecovery,
kCsNoPerm, // Insufficient permissions to communicate with the device.
kCsSideload,
kCsUnauthorized,
};
struct atransport
{
atransport *next;
@ -266,7 +278,7 @@ int adb_main(int is_daemon, int server_port);
int get_available_local_transport_index();
#endif
int init_socket_transport(atransport *t, int s, int port, int local);
void init_usb_transport(atransport *t, usb_handle *usb, int state);
void init_usb_transport(atransport *t, usb_handle *usb, ConnectionState state);
#if ADB_HOST
atransport* find_emulator_transport_by_adb_port(int adb_port);
@ -336,17 +348,7 @@ int is_adb_interface(int vid, int pid, int usb_class, int usb_subclass, int usb_
int adb_commandline(int argc, const char **argv);
int connection_state(atransport *t);
#define CS_ANY -1
#define CS_OFFLINE 0
#define CS_BOOTLOADER 1
#define CS_DEVICE 2
#define CS_HOST 3
#define CS_RECOVERY 4
#define CS_NOPERM 5 /* Insufficient permissions to communicate with the device */
#define CS_SIDELOAD 6
#define CS_UNAUTHORIZED 7
ConnectionState connection_state(atransport *t);
extern const char *adb_device_banner;
extern int HOST;

8
adb/services.cpp
View File

@ -516,7 +516,7 @@ int service_to_fd(const char *name)
struct state_info {
TransportType transport_type;
char* serial;
int state;
ConnectionState state;
};
static void wait_for_state(int fd, void* cookie)
@ -665,13 +665,13 @@ asocket* host_service_to_socket(const char* name, const char *serial)
if (!strncmp(name, "local", strlen("local"))) {
sinfo->transport_type = kTransportLocal;
sinfo->state = CS_DEVICE;
sinfo->state = kCsDevice;
} else if (!strncmp(name, "usb", strlen("usb"))) {
sinfo->transport_type = kTransportUsb;
sinfo->state = CS_DEVICE;
sinfo->state = kCsDevice;
} else if (!strncmp(name, "any", strlen("any"))) {
sinfo->transport_type = kTransportAny;
sinfo->state = CS_DEVICE;
sinfo->state = kCsDevice;
} else {
if (sinfo->serial) {
free(sinfo->serial);

5
adb/sockets.cpp
View File

@ -815,7 +815,8 @@ static int smart_socket_enqueue(asocket *s, apacket *p)
#else /* !ADB_HOST */
if (s->transport == NULL) {
std::string error_msg = "unknown failure";
s->transport = acquire_one_transport(CS_ANY, kTransportAny, NULL, &error_msg);
s->transport =
acquire_one_transport(kCsAny, kTransportAny, NULL, &error_msg);
if (s->transport == NULL) {
SendFail(s->peer->fd, error_msg);
@ -824,7 +825,7 @@ static int smart_socket_enqueue(asocket *s, apacket *p)
}
#endif
if(!(s->transport) || (s->transport->connection_state == CS_OFFLINE)) {
if(!(s->transport) || (s->transport->connection_state == kCsOffline)) {
/* if there's no remote we fail the connection
** right here and terminate it
*/

48
adb/transport.cpp
View File

@ -578,7 +578,7 @@ static void transport_registration_func(int _fd, unsigned ev, void *data)
}
/* don't create transport threads for inaccessible devices */
if (t->connection_state != CS_NOPERM) {
if (t->connection_state != kCsNoPerm) {
/* initial references are the two threads */
t->ref_count = 2;
@ -738,9 +738,8 @@ static int qual_match(const char *to_test,
return !*to_test;
}
atransport* acquire_one_transport(int state, TransportType type,
const char* serial, std::string* error_out)
{
atransport* acquire_one_transport(ConnectionState state, TransportType type,
const char* serial, std::string* error_out) {
atransport *t;
atransport *result = NULL;
int ambiguous = 0;
@ -750,7 +749,7 @@ retry:
adb_mutex_lock(&transport_lock);
for (t = transport_list.next; t != &transport_list; t = t->next) {
if (t->connection_state == CS_NOPERM) {
if (t->connection_state == kCsNoPerm) {
if (error_out) *error_out = "insufficient permissions for device";
continue;
}
@ -801,7 +800,7 @@ retry:
adb_mutex_unlock(&transport_lock);
if (result) {
if (result->connection_state == CS_UNAUTHORIZED) {
if (result->connection_state == kCsUnauthorized) {
if (error_out) {
*error_out = "device unauthorized.\n";
char* ADB_VENDOR_KEYS = getenv("ADB_VENDOR_KEYS");
@ -814,13 +813,13 @@ retry:
}
/* offline devices are ignored -- they are either being born or dying */
if (result && result->connection_state == CS_OFFLINE) {
if (result && result->connection_state == kCsOffline) {
if (error_out) *error_out = "device offline";
result = NULL;
}
/* check for required connection state */
if (result && state != CS_ANY && result->connection_state != state) {
if (result && state != kCsAny && result->connection_state != state) {
if (error_out) *error_out = "invalid device state";
result = NULL;
}
@ -829,7 +828,7 @@ retry:
if (result) {
/* found one that we can take */
if (error_out) *error_out = "success";
} else if (state != CS_ANY && (serial || !ambiguous)) {
} else if (state != kCsAny && (serial || !ambiguous)) {
adb_sleep_ms(1000);
goto retry;
}
@ -839,14 +838,14 @@ retry:
const char* atransport::connection_state_name() const {
switch (connection_state) {
case CS_OFFLINE: return "offline";
case CS_BOOTLOADER: return "bootloader";
case CS_DEVICE: return "device";
case CS_HOST: return "host";
case CS_RECOVERY: return "recovery";
case CS_NOPERM: return "no permissions";
case CS_SIDELOAD: return "sideload";
case CS_UNAUTHORIZED: return "unauthorized";
case kCsOffline: return "offline";
case kCsBootloader: return "bootloader";
case kCsDevice: return "device";
case kCsHost: return "host";
case kCsRecovery: return "recovery";
case kCsNoPerm: return "no permissions";
case kCsSideload: return "sideload";
case kCsUnauthorized: return "unauthorized";
default: return "unknown";
}
}
@ -1021,7 +1020,7 @@ void register_usb_transport(usb_handle *usb, const char *serial, const char *dev
if (t == nullptr) fatal("cannot allocate USB atransport");
D("transport: %p init'ing for usb_handle %p (sn='%s')\n", t, usb,
serial ? serial : "");
init_usb_transport(t, usb, (writeable ? CS_OFFLINE : CS_NOPERM));
init_usb_transport(t, usb, (writeable ? kCsOffline : kCsNoPerm));
if(serial) {
t->serial = strdup(serial);
}
@ -1039,18 +1038,17 @@ void register_usb_transport(usb_handle *usb, const char *serial, const char *dev
register_transport(t);
}
/* this should only be used for transports with connection_state == CS_NOPERM */
void unregister_usb_transport(usb_handle *usb)
{
atransport *t;
// This should only be used for transports with connection_state == kCsNoPerm.
void unregister_usb_transport(usb_handle* usb) {
adb_mutex_lock(&transport_lock);
for(t = transport_list.next; t != &transport_list; t = t->next) {
if (t->usb == usb && t->connection_state == CS_NOPERM) {
for (atransport* t = transport_list.next; t != &transport_list;
t = t->next) {
if (t->usb == usb && t->connection_state == kCsNoPerm) {
t->next->prev = t->prev;
t->prev->next = t->next;
break;
}
}
}
adb_mutex_unlock(&transport_lock);
}

6
adb/transport.h
View File

@ -25,11 +25,11 @@
/*
* Obtain a transport from the available transports.
* If state is != CS_ANY, only transports in that state are considered.
* If state is != kCsAny, only transports in that state are considered.
* If serial is non-NULL then only the device with that serial will be chosen.
* If no suitable transport is found, error is set.
*/
atransport* acquire_one_transport(int state, TransportType type,
atransport* acquire_one_transport(ConnectionState state, TransportType type,
const char* serial, std::string* error_out);
void add_transport_disconnect(atransport* t, adisconnect* dis);
void remove_transport_disconnect(atransport* t, adisconnect* dis);
@ -50,7 +50,7 @@ void register_usb_transport(usb_handle* h, const char* serial,
/* cause new transports to be init'd and added to the list */
int register_socket_transport(int s, const char* serial, int port, int local);
/* this should only be used for transports with connection_state == CS_NOPERM */
// This should only be used for transports with connection_state == kCsNoPerm.
void unregister_usb_transport(usb_handle* usb);
/* these should only be used for the "adb disconnect" command */

2
adb/transport_local.cpp
View File

@ -387,7 +387,7 @@ int init_socket_transport(atransport *t, int s, int adb_port, int local)
t->write_to_remote = remote_write;
t->sfd = s;
t->sync_token = 1;
t->connection_state = CS_OFFLINE;
t->connection_state = kCsOffline;
t->type = kTransportLocal;
t->adb_port = 0;

2
adb/transport_usb.cpp
View File

@ -80,7 +80,7 @@ static void remote_kick(atransport *t)
usb_kick(t->usb);
}
void init_usb_transport(atransport *t, usb_handle *h, int state)
void init_usb_transport(atransport *t, usb_handle *h, ConnectionState state)
{
D("transport: usb\n");
t->close = remote_close;