1 files changed, 0 insertions, 803 deletions

diff --git a/minadbd/transport.c b/minadbd/transport.c
deleted file mode 100644
index 92679f518..000000000
--- a/minadbd/transport.c
+++ /dev/null
@@ -1,803 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * 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 <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-
-#include "sysdeps.h"
-
-#define   TRACE_TAG  TRACE_TRANSPORT
-#include "adb.h"
-
-static void transport_unref(atransport *t);
-
-static atransport transport_list = {
-    .next = &transport_list,
-    .prev = &transport_list,
-};
-
-ADB_MUTEX_DEFINE( transport_lock );
-
-#if ADB_TRACE
-#define MAX_DUMP_HEX_LEN 16
-static void  dump_hex( const unsigned char*  ptr, size_t  len )
-{
-    int  nn, len2 = len;
-    // Build a string instead of logging each character.
-    // MAX chars in 2 digit hex, one space, MAX chars, one '\0'.
-    char buffer[MAX_DUMP_HEX_LEN *2 + 1 + MAX_DUMP_HEX_LEN + 1 ], *pb = buffer;
-
-    if (len2 > MAX_DUMP_HEX_LEN) len2 = MAX_DUMP_HEX_LEN;
-
-    for (nn = 0; nn < len2; nn++) {
-        sprintf(pb, "%02x", ptr[nn]);
-        pb += 2;
-    }
-    sprintf(pb++, " ");
-
-    for (nn = 0; nn < len2; nn++) {
-        int  c = ptr[nn];
-        if (c < 32 || c > 127)
-            c = '.';
-        *pb++ =  c;
-    }
-    *pb++ = '\0';
-    DR("%s\n", buffer);
-}
-#endif
-
-void
-kick_transport(atransport*  t)
-{
-    if (t && !t->kicked)
-    {
-        int  kicked;
-
-        adb_mutex_lock(&transport_lock);
-        kicked = t->kicked;
-        if (!kicked)
-            t->kicked = 1;
-        adb_mutex_unlock(&transport_lock);
-
-        if (!kicked)
-            t->kick(t);
-    }
-}
-
-void
-run_transport_disconnects(atransport*  t)
-{
-    adisconnect*  dis = t->disconnects.next;
-
-    D("%s: run_transport_disconnects\n", t->serial);
-    while (dis != &t->disconnects) {
-        adisconnect*  next = dis->next;
-        dis->func( dis->opaque, t );
-        dis = next;
-    }
-}
-
-#if ADB_TRACE
-static void
-dump_packet(const char* name, const char* func, apacket* p)
-{
-    unsigned  command = p->msg.command;
-    int       len     = p->msg.data_length;
-    char      cmd[9];
-    char      arg0[12], arg1[12];
-    int       n;
-
-    for (n = 0; n < 4; n++) {
-        int  b = (command >> (n*8)) & 255;
-        if (b < 32 || b >= 127)
-            break;
-        cmd[n] = (char)b;
-    }
-    if (n == 4) {
-        cmd[4] = 0;
-    } else {
-        /* There is some non-ASCII name in the command, so dump
-            * the hexadecimal value instead */
-        snprintf(cmd, sizeof cmd, "%08x", command);
-    }
-
-    if (p->msg.arg0 < 256U)
-        snprintf(arg0, sizeof arg0, "%d", p->msg.arg0);
-    else
-        snprintf(arg0, sizeof arg0, "0x%x", p->msg.arg0);
-
-    if (p->msg.arg1 < 256U)
-        snprintf(arg1, sizeof arg1, "%d", p->msg.arg1);
-    else
-        snprintf(arg1, sizeof arg1, "0x%x", p->msg.arg1);
-
-    D("%s: %s: [%s] arg0=%s arg1=%s (len=%d) ",
-        name, func, cmd, arg0, arg1, len);
-    dump_hex(p->data, len);
-}
-#endif /* ADB_TRACE */
-
-static int
-read_packet(int  fd, const char* name, apacket** ppacket)
-{
-    char *p = (char*)ppacket;  /* really read a packet address */
-    int   r;
-    int   len = sizeof(*ppacket);
-    char  buff[8];
-    if (!name) {
-        snprintf(buff, sizeof buff, "fd=%d", fd);
-        name = buff;
-    }
-    while(len > 0) {
-        r = adb_read(fd, p, len);
-        if(r > 0) {
-            len -= r;
-            p   += r;
-        } else {
-            D("%s: read_packet (fd=%d), error ret=%d errno=%d: %s\n", name, fd, r, errno, strerror(errno));
-            if((r < 0) && (errno == EINTR)) continue;
-            return -1;
-        }
-    }
-
-#if ADB_TRACE
-    if (ADB_TRACING) {
-        dump_packet(name, "from remote", *ppacket);
-    }
-#endif
-    return 0;
-}
-
-static int
-write_packet(int  fd, const char* name, apacket** ppacket)
-{
-    char *p = (char*) ppacket;  /* we really write the packet address */
-    int r, len = sizeof(ppacket);
-    char buff[8];
-    if (!name) {
-        snprintf(buff, sizeof buff, "fd=%d", fd);
-        name = buff;
-    }
-
-#if ADB_TRACE
-    if (ADB_TRACING) {
-        dump_packet(name, "to remote", *ppacket);
-    }
-#endif
-    len = sizeof(ppacket);
-    while(len > 0) {
-        r = adb_write(fd, p, len);
-        if(r > 0) {
-            len -= r;
-            p += r;
-        } else {
-            D("%s: write_packet (fd=%d) error ret=%d errno=%d: %s\n", name, fd, r, errno, strerror(errno));
-            if((r < 0) && (errno == EINTR)) continue;
-            return -1;
-        }
-    }
-    return 0;
-}
-
-static void transport_socket_events(int fd, unsigned events, void *_t)
-{
-    atransport *t = _t;
-    D("transport_socket_events(fd=%d, events=%04x,...)\n", fd, events);
-    if(events & FDE_READ){
-        apacket *p = 0;
-        if(read_packet(fd, t->serial, &p)){
-            D("%s: failed to read packet from transport socket on fd %d\n", t->serial, fd);
-        } else {
-            handle_packet(p, (atransport *) _t);
-        }
-    }
-}
-
-void send_packet(apacket *p, atransport *t)
-{
-    unsigned char *x;
-    unsigned sum;
-    unsigned count;
-
-    p->msg.magic = p->msg.command ^ 0xffffffff;
-
-    count = p->msg.data_length;
-    x = (unsigned char *) p->data;
-    sum = 0;
-    while(count-- > 0){
-        sum += *x++;
-    }
-    p->msg.data_check = sum;
-
-    print_packet("send", p);
-
-    if (t == NULL) {
-        D("Transport is null \n");
-        // Zap errno because print_packet() and other stuff have errno effect.
-        errno = 0;
-        fatal_errno("Transport is null");
-    }
-
-    if(write_packet(t->transport_socket, t->serial, &p)){
-        fatal_errno("cannot enqueue packet on transport socket");
-    }
-}
-
-/* The transport is opened by transport_register_func before
-** the input and output threads are started.
-**
-** The output thread issues a SYNC(1, token) message to let
-** the input thread know to start things up.  In the event
-** of transport IO failure, the output thread will post a
-** SYNC(0,0) message to ensure shutdown.
-**
-** The transport will not actually be closed until both
-** threads exit, but the input thread will kick the transport
-** on its way out to disconnect the underlying device.
-*/
-
-static void *output_thread(void *_t)
-{
-    atransport *t = _t;
-    apacket *p;
-
-    D("%s: starting transport output thread on fd %d, SYNC online (%d)\n",
-       t->serial, t->fd, t->sync_token + 1);
-    p = get_apacket();
-    p->msg.command = A_SYNC;
-    p->msg.arg0 = 1;
-    p->msg.arg1 = ++(t->sync_token);
-    p->msg.magic = A_SYNC ^ 0xffffffff;
-    if(write_packet(t->fd, t->serial, &p)) {
-        put_apacket(p);
-        D("%s: failed to write SYNC packet\n", t->serial);
-        goto oops;
-    }
-
-    D("%s: data pump started\n", t->serial);
-    for(;;) {
-        p = get_apacket();
-
-        if(t->read_from_remote(p, t) == 0){
-            D("%s: received remote packet, sending to transport\n",
-              t->serial);
-            if(write_packet(t->fd, t->serial, &p)){
-                put_apacket(p);
-                D("%s: failed to write apacket to transport\n", t->serial);
-                goto oops;
-            }
-        } else {
-            D("%s: remote read failed for transport\n", t->serial);
-            put_apacket(p);
-            break;
-        }
-    }
-
-    D("%s: SYNC offline for transport\n", t->serial);
-    p = get_apacket();
-    p->msg.command = A_SYNC;
-    p->msg.arg0 = 0;
-    p->msg.arg1 = 0;
-    p->msg.magic = A_SYNC ^ 0xffffffff;
-    if(write_packet(t->fd, t->serial, &p)) {
-        put_apacket(p);
-        D("%s: failed to write SYNC apacket to transport", t->serial);
-    }
-
-oops:
-    D("%s: transport output thread is exiting\n", t->serial);
-    kick_transport(t);
-    transport_unref(t);
-    return 0;
-}
-
-static void *input_thread(void *_t)
-{
-    atransport *t = _t;
-    apacket *p;
-    int active = 0;
-
-    D("%s: starting transport input thread, reading from fd %d\n",
-       t->serial, t->fd);
-
-    for(;;){
-        if(read_packet(t->fd, t->serial, &p)) {
-            D("%s: failed to read apacket from transport on fd %d\n",
-               t->serial, t->fd );
-            break;
-        }
-        if(p->msg.command == A_SYNC){
-            if(p->msg.arg0 == 0) {
-                D("%s: transport SYNC offline\n", t->serial);
-                put_apacket(p);
-                break;
-            } else {
-                if(p->msg.arg1 == t->sync_token) {
-                    D("%s: transport SYNC online\n", t->serial);
-                    active = 1;
-                } else {
-                    D("%s: transport ignoring SYNC %d != %d\n",
-                      t->serial, p->msg.arg1, t->sync_token);
-                }
-            }
-        } else {
-            if(active) {
-                D("%s: transport got packet, sending to remote\n", t->serial);
-                t->write_to_remote(p, t);
-            } else {
-                D("%s: transport ignoring packet while offline\n", t->serial);
-            }
-        }
-
-        put_apacket(p);
-    }
-
-    // this is necessary to avoid a race condition that occured when a transport closes
-    // while a client socket is still active.
-    close_all_sockets(t);
-
-    D("%s: transport input thread is exiting, fd %d\n", t->serial, t->fd);
-    kick_transport(t);
-    transport_unref(t);
-    return 0;
-}
-
-
-static int transport_registration_send = -1;
-static int transport_registration_recv = -1;
-static fdevent transport_registration_fde;
-
-void  update_transports(void)
-{
-    // nothing to do on the device side
-}
-
-typedef struct tmsg tmsg;
-struct tmsg
-{
-    atransport *transport;
-    int         action;
-};
-
-static int
-transport_read_action(int  fd, struct tmsg*  m)
-{
-    char *p   = (char*)m;
-    int   len = sizeof(*m);
-    int   r;
-
-    while(len > 0) {
-        r = adb_read(fd, p, len);
-        if(r > 0) {
-            len -= r;
-            p   += r;
-        } else {
-            if((r < 0) && (errno == EINTR)) continue;
-            D("transport_read_action: on fd %d, error %d: %s\n",
-              fd, errno, strerror(errno));
-            return -1;
-        }
-    }
-    return 0;
-}
-
-static int
-transport_write_action(int  fd, struct tmsg*  m)
-{
-    char *p   = (char*)m;
-    int   len = sizeof(*m);
-    int   r;
-
-    while(len > 0) {
-        r = adb_write(fd, p, len);
-        if(r > 0) {
-            len -= r;
-            p   += r;
-        } else {
-            if((r < 0) && (errno == EINTR)) continue;
-            D("transport_write_action: on fd %d, error %d: %s\n",
-              fd, errno, strerror(errno));
-            return -1;
-        }
-    }
-    return 0;
-}
-
-static void transport_registration_func(int _fd, unsigned ev, void *data)
-{
-    tmsg m;
-    adb_thread_t output_thread_ptr;
-    adb_thread_t input_thread_ptr;
-    int s[2];
-    atransport *t;
-
-    if(!(ev & FDE_READ)) {
-        return;
-    }
-
-    if(transport_read_action(_fd, &m)) {
-        fatal_errno("cannot read transport registration socket");
-    }
-
-    t = m.transport;
-
-    if(m.action == 0){
-        D("transport: %s removing and free'ing %d\n", t->serial, t->transport_socket);
-
-            /* IMPORTANT: the remove closes one half of the
-            ** socket pair.  The close closes the other half.
-            */
-        fdevent_remove(&(t->transport_fde));
-        adb_close(t->fd);
-
-        adb_mutex_lock(&transport_lock);
-        t->next->prev = t->prev;
-        t->prev->next = t->next;
-        adb_mutex_unlock(&transport_lock);
-
-        run_transport_disconnects(t);
-
-        if (t->product)
-            free(t->product);
-        if (t->serial)
-            free(t->serial);
-
-        memset(t,0xee,sizeof(atransport));
-        free(t);
-
-        update_transports();
-        return;
-    }
-
-    /* don't create transport threads for inaccessible devices */
-    if (t->connection_state != CS_NOPERM) {
-        /* initial references are the two threads */
-        t->ref_count = 2;
-
-        if(adb_socketpair(s)) {
-            fatal_errno("cannot open transport socketpair");
-        }
-
-        D("transport: %s (%d,%d) starting\n", t->serial, s[0], s[1]);
-
-        t->transport_socket = s[0];
-        t->fd = s[1];
-
-        fdevent_install(&(t->transport_fde),
-                        t->transport_socket,
-                        transport_socket_events,
-                        t);
-
-        fdevent_set(&(t->transport_fde), FDE_READ);
-
-        if(adb_thread_create(&input_thread_ptr, input_thread, t)){
-            fatal_errno("cannot create input thread");
-        }
-
-        if(adb_thread_create(&output_thread_ptr, output_thread, t)){
-            fatal_errno("cannot create output thread");
-        }
-    }
-
-        /* put us on the master device list */
-    adb_mutex_lock(&transport_lock);
-    t->next = &transport_list;
-    t->prev = transport_list.prev;
-    t->next->prev = t;
-    t->prev->next = t;
-    adb_mutex_unlock(&transport_lock);
-
-    t->disconnects.next = t->disconnects.prev = &t->disconnects;
-
-    update_transports();
-}
-
-void init_transport_registration(void)
-{
-    int s[2];
-
-    if(adb_socketpair(s)){
-        fatal_errno("cannot open transport registration socketpair");
-    }
-
-    transport_registration_send = s[0];
-    transport_registration_recv = s[1];
-
-    fdevent_install(&transport_registration_fde,
-                    transport_registration_recv,
-                    transport_registration_func,
-                    0);
-
-    fdevent_set(&transport_registration_fde, FDE_READ);
-}
-
-/* the fdevent select pump is single threaded */
-static void register_transport(atransport *transport)
-{
-    tmsg m;
-    m.transport = transport;
-    m.action = 1;
-    D("transport: %s registered\n", transport->serial);
-    if(transport_write_action(transport_registration_send, &m)) {
-        fatal_errno("cannot write transport registration socket\n");
-    }
-}
-
-static void remove_transport(atransport *transport)
-{
-    tmsg m;
-    m.transport = transport;
-    m.action = 0;
-    D("transport: %s removed\n", transport->serial);
-    if(transport_write_action(transport_registration_send, &m)) {
-        fatal_errno("cannot write transport registration socket\n");
-    }
-}
-
-
-static void transport_unref_locked(atransport *t)
-{
-    t->ref_count--;
-    if (t->ref_count == 0) {
-        D("transport: %s unref (kicking and closing)\n", t->serial);
-        if (!t->kicked) {
-            t->kicked = 1;
-            t->kick(t);
-        }
-        t->close(t);
-        remove_transport(t);
-    } else {
-        D("transport: %s unref (count=%d)\n", t->serial, t->ref_count);
-    }
-}
-
-static void transport_unref(atransport *t)
-{
-    if (t) {
-        adb_mutex_lock(&transport_lock);
-        transport_unref_locked(t);
-        adb_mutex_unlock(&transport_lock);
-    }
-}
-
-void add_transport_disconnect(atransport*  t, adisconnect*  dis)
-{
-    adb_mutex_lock(&transport_lock);
-    dis->next       = &t->disconnects;
-    dis->prev       = dis->next->prev;
-    dis->prev->next = dis;
-    dis->next->prev = dis;
-    adb_mutex_unlock(&transport_lock);
-}
-
-void remove_transport_disconnect(atransport*  t, adisconnect*  dis)
-{
-    dis->prev->next = dis->next;
-    dis->next->prev = dis->prev;
-    dis->next = dis->prev = dis;
-}
-
-
-atransport *acquire_one_transport(int state, transport_type ttype, const char* serial, char** error_out)
-{
-    atransport *t;
-    atransport *result = NULL;
-    int ambiguous = 0;
-
-retry:
-    if (error_out)
-        *error_out = "device not found";
-
-    adb_mutex_lock(&transport_lock);
-    for (t = transport_list.next; t != &transport_list; t = t->next) {
-        if (t->connection_state == CS_NOPERM) {
-        if (error_out)
-            *error_out = "insufficient permissions for device";
-            continue;
-        }
-
-        /* check for matching serial number */
-        if (serial) {
-            if (t->serial && !strcmp(serial, t->serial)) {
-                result = t;
-                break;
-            }
-        } else {
-            if (ttype == kTransportUsb && t->type == kTransportUsb) {
-                if (result) {
-                    if (error_out)
-                        *error_out = "more than one device";
-                    ambiguous = 1;
-                    result = NULL;
-                    break;
-                }
-                result = t;
-            } else if (ttype == kTransportLocal && t->type == kTransportLocal) {
-                if (result) {
-                    if (error_out)
-                        *error_out = "more than one emulator";
-                    ambiguous = 1;
-                    result = NULL;
-                    break;
-                }
-                result = t;
-            } else if (ttype == kTransportAny) {
-                if (result) {
-                    if (error_out)
-                        *error_out = "more than one device and emulator";
-                    ambiguous = 1;
-                    result = NULL;
-                    break;
-                }
-                result = t;
-            }
-        }
-    }
-    adb_mutex_unlock(&transport_lock);
-
-    if (result) {
-         /* offline devices are ignored -- they are either being born or dying */
-        if (result && result->connection_state == CS_OFFLINE) {
-            if (error_out)
-                *error_out = "device offline";
-            result = NULL;
-        }
-         /* check for required connection state */
-        if (result && state != CS_ANY && result->connection_state != state) {
-            if (error_out)
-                *error_out = "invalid device state";
-            result = NULL;
-        }
-    }
-
-    if (result) {
-        /* found one that we can take */
-        if (error_out)
-            *error_out = NULL;
-    } else if (state != CS_ANY && (serial || !ambiguous)) {
-        adb_sleep_ms(1000);
-        goto retry;
-    }
-
-    return result;
-}
-
-void register_usb_transport(usb_handle *usb, const char *serial, unsigned writeable)
-{
-    atransport *t = calloc(1, sizeof(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));
-    if(serial) {
-        t->serial = strdup(serial);
-    }
-    register_transport(t);
-}
-
-/* this should only be used for transports with connection_state == CS_NOPERM */
-void unregister_usb_transport(usb_handle *usb)
-{
-    atransport *t;
-    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) {
-            t->next->prev = t->prev;
-            t->prev->next = t->next;
-            break;
-        }
-     }
-    adb_mutex_unlock(&transport_lock);
-}
-
-#undef TRACE_TAG
-#define TRACE_TAG  TRACE_RWX
-
-int readx(int fd, void *ptr, size_t len)
-{
-    char *p = ptr;
-    int r;
-#if ADB_TRACE
-    size_t len0 = len;
-#endif
-    D("readx: fd=%d wanted=%d\n", fd, (int)len);
-    while(len > 0) {
-        r = adb_read(fd, p, len);
-        if(r > 0) {
-            len -= r;
-            p += r;
-        } else {
-            if (r < 0) {
-                D("readx: fd=%d error %d: %s\n", fd, errno, strerror(errno));
-                if (errno == EINTR)
-                    continue;
-            } else {
-                D("readx: fd=%d disconnected\n", fd);
-            }
-            return -1;
-        }
-    }
-
-#if ADB_TRACE
-    D("readx: fd=%d wanted=%zu got=%zu\n", fd, len0, len0 - len);
-    dump_hex( ptr, len0 );
-#endif
-    return 0;
-}
-
-int writex(int fd, const void *ptr, size_t len)
-{
-    char *p = (char*) ptr;
-    int r;
-
-#if ADB_TRACE
-    D("writex: fd=%d len=%d: ", fd, (int)len);
-    dump_hex( ptr, len );
-#endif
-    while(len > 0) {
-        r = adb_write(fd, p, len);
-        if(r > 0) {
-            len -= r;
-            p += r;
-        } else {
-            if (r < 0) {
-                D("writex: fd=%d error %d: %s\n", fd, errno, strerror(errno));
-                if (errno == EINTR)
-                    continue;
-            } else {
-                D("writex: fd=%d disconnected\n", fd);
-            }
-            return -1;
-        }
-    }
-    return 0;
-}
-
-int check_header(apacket *p)
-{
-    if(p->msg.magic != (p->msg.command ^ 0xffffffff)) {
-        D("check_header(): invalid magic\n");
-        return -1;
-    }
-
-    if(p->msg.data_length > MAX_PAYLOAD) {
-        D("check_header(): %d > MAX_PAYLOAD\n", p->msg.data_length);
-        return -1;
-    }
-
-    return 0;
-}
-
-int check_data(apacket *p)
-{
-    unsigned count, sum;
-    unsigned char *x;
-
-    count = p->msg.data_length;
-    x = p->data;
-    sum = 0;
-    while(count-- > 0) {
-        sum += *x++;
-    }
-
-    if(sum != p->msg.data_check) {
-        return -1;
-    } else {
-        return 0;
-    }
-}