remove unused code from minadbd

Change-Id: I2f192c67ef425a53a1dba65d3e0544c1d5a567bd

6 files changed, 9 insertions, 1157 deletions

diff --git a/minadbd/README.txt b/minadbd/README.txt
index 1413fe2..c9df484 100644
--- a/minadbd/README.txt
+++ b/minadbd/README.txt
@@ -8,12 +8,15 @@ adb.c
   - only uses USB transport
   - references to JDWP removed
   - main() removed
+  - all ADB_HOST and win32 code removed
+  - removed listeners, logging code, background server (for host)
 
 adb.h
   - minor changes to match adb.c changes
 
 sockets.c
   - references to JDWP removed
+  - ADB_HOST code removed
 
 services.c
   - all services except echo_service (which is commented out) removed
@@ -29,3 +32,8 @@ Android.mk
 sysdeps.h
   - changes adb_creat() to use O_NOFOLLOW
 
+transport.c
+  - removed ADB_HOST code
+
+transport_usb.c
+  - removed ADB_HOST code
diff --git a/minadbd/adb.c b/minadbd/adb.c
index 3052458..0e8fd2a 100644
--- a/minadbd/adb.c
+++ b/minadbd/adb.c
@@ -28,13 +28,9 @@
 #include "sysdeps.h"
 #include "adb.h"
 
-#if !ADB_HOST
 #include <private/android_filesystem_config.h>
 #include <linux/capability.h>
 #include <linux/prctl.h>
-#else
-#include "usb_vendors.h"
-#endif
 
 #if ADB_TRACE
 ADB_MUTEX_DEFINE( D_lock );
@@ -228,29 +224,6 @@ static void send_connect(atransport *t)
             HOST ? "host" : adb_device_banner);
     cp->msg.data_length = strlen((char*) cp->data) + 1;
     send_packet(cp, t);
-#if ADB_HOST
-        /* XXX why sleep here? */
-    // allow the device some time to respond to the connect message
-    adb_sleep_ms(1000);
-#endif
-}
-
-static char *connection_state_name(atransport *t)
-{
-    if (t == NULL) {
-        return "unknown";
-    }
-
-    switch(t->connection_state) {
-    case CS_BOOTLOADER:
-        return "bootloader";
-    case CS_DEVICE:
-        return "device";
-    case CS_OFFLINE:
-        return "offline";
-    default:
-        return "unknown";
-    }
 }
 
 void parse_banner(char *banner, atransport *t)
@@ -400,448 +373,11 @@ void handle_packet(apacket *p, atransport *t)
     put_apacket(p);
 }
 
-alistener listener_list = {
-    .next = &listener_list,
-    .prev = &listener_list,
-};
-
-static void ss_listener_event_func(int _fd, unsigned ev, void *_l)
-{
-    asocket *s;
-
-    if(ev & FDE_READ) {
-        struct sockaddr addr;
-        socklen_t alen;
-        int fd;
-
-        alen = sizeof(addr);
-        fd = adb_socket_accept(_fd, &addr, &alen);
-        if(fd < 0) return;
-
-        adb_socket_setbufsize(fd, CHUNK_SIZE);
-
-        s = create_local_socket(fd);
-        if(s) {
-            connect_to_smartsocket(s);
-            return;
-        }
-
-        adb_close(fd);
-    }
-}
-
-static void listener_event_func(int _fd, unsigned ev, void *_l)
-{
-    alistener *l = _l;
-    asocket *s;
-
-    if(ev & FDE_READ) {
-        struct sockaddr addr;
-        socklen_t alen;
-        int fd;
-
-        alen = sizeof(addr);
-        fd = adb_socket_accept(_fd, &addr, &alen);
-        if(fd < 0) return;
-
-        s = create_local_socket(fd);
-        if(s) {
-            s->transport = l->transport;
-            connect_to_remote(s, l->connect_to);
-            return;
-        }
-
-        adb_close(fd);
-    }
-}
-
-static void  free_listener(alistener*  l)
-{
-    if (l->next) {
-        l->next->prev = l->prev;
-        l->prev->next = l->next;
-        l->next = l->prev = l;
-    }
-
-    // closes the corresponding fd
-    fdevent_remove(&l->fde);
-
-    if (l->local_name)
-        free((char*)l->local_name);
-
-    if (l->connect_to)
-        free((char*)l->connect_to);
-
-    if (l->transport) {
-        remove_transport_disconnect(l->transport, &l->disconnect);
-    }
-    free(l);
-}
-
-static void listener_disconnect(void*  _l, atransport*  t)
-{
-    alistener*  l = _l;
-
-    free_listener(l);
-}
-
-int local_name_to_fd(const char *name)
-{
-    int port;
-
-    if(!strncmp("tcp:", name, 4)){
-        int  ret;
-        port = atoi(name + 4);
-        ret = socket_loopback_server(port, SOCK_STREAM);
-        return ret;
-    }
-#ifndef HAVE_WIN32_IPC  /* no Unix-domain sockets on Win32 */
-    // It's non-sensical to support the "reserved" space on the adb host side
-    if(!strncmp(name, "local:", 6)) {
-        return socket_local_server(name + 6,
-                ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM);
-    } else if(!strncmp(name, "localabstract:", 14)) {
-        return socket_local_server(name + 14,
-                ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM);
-    } else if(!strncmp(name, "localfilesystem:", 16)) {
-        return socket_local_server(name + 16,
-                ANDROID_SOCKET_NAMESPACE_FILESYSTEM, SOCK_STREAM);
-    }
-
-#endif
-    printf("unknown local portname '%s'\n", name);
-    return -1;
-}
-
-static int remove_listener(const char *local_name, const char *connect_to, atransport* transport)
-{
-    alistener *l;
-
-    for (l = listener_list.next; l != &listener_list; l = l->next) {
-        if (!strcmp(local_name, l->local_name) &&
-            !strcmp(connect_to, l->connect_to) &&
-            l->transport && l->transport == transport) {
-
-            listener_disconnect(l, transport);
-            return 0;
-        }
-    }
-
-    return -1;
-}
-
-static int install_listener(const char *local_name, const char *connect_to, atransport* transport)
-{
-    alistener *l;
-
-    //printf("install_listener('%s','%s')\n", local_name, connect_to);
-
-    for(l = listener_list.next; l != &listener_list; l = l->next){
-        if(strcmp(local_name, l->local_name) == 0) {
-            char *cto;
-
-                /* can't repurpose a smartsocket */
-            if(l->connect_to[0] == '*') {
-                return -1;
-            }
-
-            cto = strdup(connect_to);
-            if(cto == 0) {
-                return -1;
-            }
-
-            //printf("rebinding '%s' to '%s'\n", local_name, connect_to);
-            free((void*) l->connect_to);
-            l->connect_to = cto;
-            if (l->transport != transport) {
-                remove_transport_disconnect(l->transport, &l->disconnect);
-                l->transport = transport;
-                add_transport_disconnect(l->transport, &l->disconnect);
-            }
-            return 0;
-        }
-    }
-
-    if((l = calloc(1, sizeof(alistener))) == 0) goto nomem;
-    if((l->local_name = strdup(local_name)) == 0) goto nomem;
-    if((l->connect_to = strdup(connect_to)) == 0) goto nomem;
-
-
-    l->fd = local_name_to_fd(local_name);
-    if(l->fd < 0) {
-        free((void*) l->local_name);
-        free((void*) l->connect_to);
-        free(l);
-        printf("cannot bind '%s'\n", local_name);
-        return -2;
-    }
-
-    close_on_exec(l->fd);
-    if(!strcmp(l->connect_to, "*smartsocket*")) {
-        fdevent_install(&l->fde, l->fd, ss_listener_event_func, l);
-    } else {
-        fdevent_install(&l->fde, l->fd, listener_event_func, l);
-    }
-    fdevent_set(&l->fde, FDE_READ);
-
-    l->next = &listener_list;
-    l->prev = listener_list.prev;
-    l->next->prev = l;
-    l->prev->next = l;
-    l->transport = transport;
-
-    if (transport) {
-        l->disconnect.opaque = l;
-        l->disconnect.func   = listener_disconnect;
-        add_transport_disconnect(transport, &l->disconnect);
-    }
-    return 0;
-
-nomem:
-    fatal("cannot allocate listener");
-    return 0;
-}
-
-#ifdef HAVE_WIN32_PROC
-static BOOL WINAPI ctrlc_handler(DWORD type)
-{
-    exit(STATUS_CONTROL_C_EXIT);
-    return TRUE;
-}
-#endif
-
 static void adb_cleanup(void)
 {
     usb_cleanup();
 }
 
-void start_logging(void)
-{
-#ifdef HAVE_WIN32_PROC
-    char    temp[ MAX_PATH ];
-    FILE*   fnul;
-    FILE*   flog;
-
-    GetTempPath( sizeof(temp) - 8, temp );
-    strcat( temp, "adb.log" );
-
-    /* Win32 specific redirections */
-    fnul = fopen( "NUL", "rt" );
-    if (fnul != NULL)
-        stdin[0] = fnul[0];
-
-    flog = fopen( temp, "at" );
-    if (flog == NULL)
-        flog = fnul;
-
-    setvbuf( flog, NULL, _IONBF, 0 );
-
-    stdout[0] = flog[0];
-    stderr[0] = flog[0];
-    fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid());
-#else
-    int fd;
-
-    fd = unix_open("/dev/null", O_RDONLY);
-    dup2(fd, 0);
-    adb_close(fd);
-
-    fd = unix_open("/tmp/adb.log", O_WRONLY | O_CREAT | O_APPEND, 0640);
-    if(fd < 0) {
-        fd = unix_open("/dev/null", O_WRONLY);
-    }
-    dup2(fd, 1);
-    dup2(fd, 2);
-    adb_close(fd);
-    fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid());
-#endif
-}
-
-#if !ADB_HOST
-void start_device_log(void)
-{
-    int fd;
-    char    path[PATH_MAX];
-    struct tm now;
-    time_t t;
-    char value[PROPERTY_VALUE_MAX];
-
-    // read the trace mask from persistent property persist.adb.trace_mask
-    // give up if the property is not set or cannot be parsed
-    property_get("persist.adb.trace_mask", value, "");
-    if (sscanf(value, "%x", &adb_trace_mask) != 1)
-        return;
-
-    adb_mkdir("/data/adb", 0775);
-    tzset();
-    time(&t);
-    localtime_r(&t, &now);
-    strftime(path, sizeof(path),
-                "/data/adb/adb-%Y-%m-%d-%H-%M-%S.txt",
-                &now);
-    fd = unix_open(path, O_WRONLY | O_CREAT | O_TRUNC, 0640);
-    if (fd < 0)
-        return;
-
-    // redirect stdout and stderr to the log file
-    dup2(fd, 1);
-    dup2(fd, 2);
-    fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid());
-    adb_close(fd);
-
-    fd = unix_open("/dev/null", O_RDONLY);
-    dup2(fd, 0);
-    adb_close(fd);
-}
-#endif
-
-#if ADB_HOST
-int launch_server(int server_port)
-{
-#ifdef HAVE_WIN32_PROC
-    /* we need to start the server in the background                    */
-    /* we create a PIPE that will be used to wait for the server's "OK" */
-    /* message since the pipe handles must be inheritable, we use a     */
-    /* security attribute                                               */
-    HANDLE                pipe_read, pipe_write;
-    SECURITY_ATTRIBUTES   sa;
-    STARTUPINFO           startup;
-    PROCESS_INFORMATION   pinfo;
-    char                  program_path[ MAX_PATH ];
-    int                   ret;
-
-    sa.nLength = sizeof(sa);
-    sa.lpSecurityDescriptor = NULL;
-    sa.bInheritHandle = TRUE;
-
-    /* create pipe, and ensure its read handle isn't inheritable */
-    ret = CreatePipe( &pipe_read, &pipe_write, &sa, 0 );
-    if (!ret) {
-        fprintf(stderr, "CreatePipe() failure, error %ld\n", GetLastError() );
-        return -1;
-    }
-
-    SetHandleInformation( pipe_read, HANDLE_FLAG_INHERIT, 0 );
-
-    ZeroMemory( &startup, sizeof(startup) );
-    startup.cb = sizeof(startup);
-    startup.hStdInput  = GetStdHandle( STD_INPUT_HANDLE );
-    startup.hStdOutput = pipe_write;
-    startup.hStdError  = GetStdHandle( STD_ERROR_HANDLE );
-    startup.dwFlags    = STARTF_USESTDHANDLES;
-
-    ZeroMemory( &pinfo, sizeof(pinfo) );
-
-    /* get path of current program */
-    GetModuleFileName( NULL, program_path, sizeof(program_path) );
-
-    ret = CreateProcess(
-            program_path,                              /* program path  */
-            "adb fork-server server",
-                                    /* the fork-server argument will set the
-                                       debug = 2 in the child           */
-            NULL,                   /* process handle is not inheritable */
-            NULL,                    /* thread handle is not inheritable */
-            TRUE,                          /* yes, inherit some handles */
-            DETACHED_PROCESS, /* the new process doesn't have a console */
-            NULL,                     /* use parent's environment block */
-            NULL,                    /* use parent's starting directory */
-            &startup,                 /* startup info, i.e. std handles */
-            &pinfo );
-
-    CloseHandle( pipe_write );
-
-    if (!ret) {
-        fprintf(stderr, "CreateProcess failure, error %ld\n", GetLastError() );
-        CloseHandle( pipe_read );
-        return -1;
-    }
-
-    CloseHandle( pinfo.hProcess );
-    CloseHandle( pinfo.hThread );
-
-    /* wait for the "OK\n" message */
-    {
-        char  temp[3];
-        DWORD  count;
-
-        ret = ReadFile( pipe_read, temp, 3, &count, NULL );
-        CloseHandle( pipe_read );
-        if ( !ret ) {
-            fprintf(stderr, "could not read ok from ADB Server, error = %ld\n", GetLastError() );
-            return -1;
-        }
-        if (count != 3 || temp[0] != 'O' || temp[1] != 'K' || temp[2] != '\n') {
-            fprintf(stderr, "ADB server didn't ACK\n" );
-            return -1;
-        }
-    }
-#elif defined(HAVE_FORKEXEC)
-    char    path[PATH_MAX];
-    int     fd[2];
-
-    // set up a pipe so the child can tell us when it is ready.
-    // fd[0] will be parent's end, and fd[1] will get mapped to stderr in the child.
-    if (pipe(fd)) {
-        fprintf(stderr, "pipe failed in launch_server, errno: %d\n", errno);
-        return -1;
-    }
-    get_my_path(path, PATH_MAX);
-    pid_t pid = fork();
-    if(pid < 0) return -1;
-
-    if (pid == 0) {
-        // child side of the fork
-
-        // redirect stderr to the pipe
-        // we use stderr instead of stdout due to stdout's buffering behavior.
-        adb_close(fd[0]);
-        dup2(fd[1], STDERR_FILENO);
-        adb_close(fd[1]);
-
-        // child process
-        int result = execl(path, "adb", "fork-server", "server", NULL);
-        // this should not return
-        fprintf(stderr, "OOPS! execl returned %d, errno: %d\n", result, errno);
-    } else  {
-        // parent side of the fork
-
-        char  temp[3];
-
-        temp[0] = 'A'; temp[1] = 'B'; temp[2] = 'C';
-        // wait for the "OK\n" message
-        adb_close(fd[1]);
-        int ret = adb_read(fd[0], temp, 3);
-        int saved_errno = errno;
-        adb_close(fd[0]);
-        if (ret < 0) {
-            fprintf(stderr, "could not read ok from ADB Server, errno = %d\n", saved_errno);
-            return -1;
-        }
-        if (ret != 3 || temp[0] != 'O' || temp[1] != 'K' || temp[2] != '\n') {
-            fprintf(stderr, "ADB server didn't ACK\n" );
-            return -1;
-        }
-
-        setsid();
-    }
-#else
-#error "cannot implement background server start on this platform"
-#endif
-    return 0;
-}
-#endif
-
-/* Constructs a local name of form tcp:port.
- * target_str points to the target string, it's content will be overwritten.
- * target_size is the capacity of the target string.
- * server_port is the port number to use for the local name.
- */
-void build_local_name(char* target_str, size_t target_size, int server_port)
-{
-  snprintf(target_str, target_size, "tcp:%d", server_port);
-}
-
 int adb_main()
 {
     atexit(adb_cleanup);
@@ -876,286 +412,3 @@ int adb_main()
 
     return 0;
 }
-
-#if ADB_HOST
-void connect_device(char* host, char* buffer, int buffer_size)
-{
-    int port, fd;
-    char* portstr = strchr(host, ':');
-    char hostbuf[100];
-    char serial[100];
-
-    strncpy(hostbuf, host, sizeof(hostbuf) - 1);
-    if (portstr) {
-        if (portstr - host >= sizeof(hostbuf)) {
-            snprintf(buffer, buffer_size, "bad host name %s", host);
-            return;
-        }
-        // zero terminate the host at the point we found the colon
-        hostbuf[portstr - host] = 0;
-        if (sscanf(portstr + 1, "%d", &port) == 0) {
-            snprintf(buffer, buffer_size, "bad port number %s", portstr);
-            return;
-        }
-    } else {
-        port = DEFAULT_ADB_LOCAL_TRANSPORT_PORT;
-    }
-
-    snprintf(serial, sizeof(serial), "%s:%d", hostbuf, port);
-    if (find_transport(serial)) {
-        snprintf(buffer, buffer_size, "already connected to %s", serial);
-        return;
-    }
-
-    fd = socket_network_client(hostbuf, port, SOCK_STREAM);
-    if (fd < 0) {
-        snprintf(buffer, buffer_size, "unable to connect to %s:%d", host, port);
-        return;
-    }
-
-    D("client: connected on remote on fd %d\n", fd);
-    close_on_exec(fd);
-    disable_tcp_nagle(fd);
-    register_socket_transport(fd, serial, port, 0);
-    snprintf(buffer, buffer_size, "connected to %s", serial);
-}
-
-void connect_emulator(char* port_spec, char* buffer, int buffer_size)
-{
-    char* port_separator = strchr(port_spec, ',');
-    if (!port_separator) {
-        snprintf(buffer, buffer_size,
-                "unable to parse '%s' as <console port>,<adb port>",
-                port_spec);
-        return;
-    }
-
-    // Zero-terminate console port and make port_separator point to 2nd port.
-    *port_separator++ = 0;
-    int console_port = strtol(port_spec, NULL, 0);
-    int adb_port = strtol(port_separator, NULL, 0);
-    if (!(console_port > 0 && adb_port > 0)) {
-        *(port_separator - 1) = ',';
-        snprintf(buffer, buffer_size,
-                "Invalid port numbers: Expected positive numbers, got '%s'",
-                port_spec);
-        return;
-    }
-
-    /* Check if the emulator is already known.
-     * Note: There's a small but harmless race condition here: An emulator not
-     * present just yet could be registered by another invocation right
-     * after doing this check here. However, local_connect protects
-     * against double-registration too. From here, a better error message
-     * can be produced. In the case of the race condition, the very specific
-     * error message won't be shown, but the data doesn't get corrupted. */
-    atransport* known_emulator = find_emulator_transport_by_adb_port(adb_port);
-    if (known_emulator != NULL) {
-        snprintf(buffer, buffer_size,
-                "Emulator on port %d already registered.", adb_port);
-        return;
-    }
-
-    /* Check if more emulators can be registered. Similar unproblematic
-     * race condition as above. */
-    int candidate_slot = get_available_local_transport_index();
-    if (candidate_slot < 0) {
-        snprintf(buffer, buffer_size, "Cannot accept more emulators.");
-        return;
-    }
-
-    /* Preconditions met, try to connect to the emulator. */
-    if (!local_connect_arbitrary_ports(console_port, adb_port)) {
-        snprintf(buffer, buffer_size,
-                "Connected to emulator on ports %d,%d", console_port, adb_port);
-    } else {
-        snprintf(buffer, buffer_size,
-                "Could not connect to emulator on ports %d,%d",
-                console_port, adb_port);
-    }
-}
-#endif
-
-int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s)
-{
-    atransport *transport = NULL;
-    char buf[4096];
-
-    if(!strcmp(service, "kill")) {
-        fprintf(stderr,"adb server killed by remote request\n");
-        fflush(stdout);
-        adb_write(reply_fd, "OKAY", 4);
-        usb_cleanup();
-        exit(0);
-    }
-
-#if ADB_HOST
-    // "transport:" is used for switching transport with a specified serial number
-    // "transport-usb:" is used for switching transport to the only USB transport
-    // "transport-local:" is used for switching transport to the only local transport
-    // "transport-any:" is used for switching transport to the only transport
-    if (!strncmp(service, "transport", strlen("transport"))) {
-        char* error_string = "unknown failure";
-        transport_type type = kTransportAny;
-
-        if (!strncmp(service, "transport-usb", strlen("transport-usb"))) {
-            type = kTransportUsb;
-        } else if (!strncmp(service, "transport-local", strlen("transport-local"))) {
-            type = kTransportLocal;
-        } else if (!strncmp(service, "transport-any", strlen("transport-any"))) {
-            type = kTransportAny;
-        } else if (!strncmp(service, "transport:", strlen("transport:"))) {
-            service += strlen("transport:");
-            serial = service;
-        }
-
-        transport = acquire_one_transport(CS_ANY, type, serial, &error_string);
-
-        if (transport) {
-            s->transport = transport;
-            adb_write(reply_fd, "OKAY", 4);
-        } else {
-            sendfailmsg(reply_fd, error_string);
-        }
-        return 1;
-    }
-
-    // return a list of all connected devices
-    if (!strcmp(service, "devices")) {
-        char buffer[4096];
-        memset(buf, 0, sizeof(buf));
-        memset(buffer, 0, sizeof(buffer));
-        D("Getting device list \n");
-        list_transports(buffer, sizeof(buffer));
-        snprintf(buf, sizeof(buf), "OKAY%04x%s",(unsigned)strlen(buffer),buffer);
-        D("Wrote device list \n");
-        writex(reply_fd, buf, strlen(buf));
-        return 0;
-    }
-
-    // add a new TCP transport, device or emulator
-    if (!strncmp(service, "connect:", 8)) {
-        char buffer[4096];
-        char* host = service + 8;
-        if (!strncmp(host, "emu:", 4)) {
-            connect_emulator(host + 4, buffer, sizeof(buffer));
-        } else {
-            connect_device(host, buffer, sizeof(buffer));
-        }
-        // Send response for emulator and device
-        snprintf(buf, sizeof(buf), "OKAY%04x%s",(unsigned)strlen(buffer), buffer);
-        writex(reply_fd, buf, strlen(buf));
-        return 0;
-    }
-
-    // remove TCP transport
-    if (!strncmp(service, "disconnect:", 11)) {
-        char buffer[4096];
-        memset(buffer, 0, sizeof(buffer));
-        char* serial = service + 11;
-        if (serial[0] == 0) {
-            // disconnect from all TCP devices
-            unregister_all_tcp_transports();
-        } else {
-            char hostbuf[100];
-            // assume port 5555 if no port is specified
-            if (!strchr(serial, ':')) {
-                snprintf(hostbuf, sizeof(hostbuf) - 1, "%s:5555", serial);
-                serial = hostbuf;
-            }
-            atransport *t = find_transport(serial);
-
-            if (t) {
-                unregister_transport(t);
-            } else {
-                snprintf(buffer, sizeof(buffer), "No such device %s", serial);
-            }
-        }
-
-        snprintf(buf, sizeof(buf), "OKAY%04x%s",(unsigned)strlen(buffer), buffer);
-        writex(reply_fd, buf, strlen(buf));
-        return 0;
-    }
-
-    // returns our value for ADB_SERVER_VERSION
-    if (!strcmp(service, "version")) {
-        char version[12];
-        snprintf(version, sizeof version, "%04x", ADB_SERVER_VERSION);
-        snprintf(buf, sizeof buf, "OKAY%04x%s", (unsigned)strlen(version), version);
-        writex(reply_fd, buf, strlen(buf));
-        return 0;
-    }
-
-    if(!strncmp(service,"get-serialno",strlen("get-serialno"))) {
-        char *out = "unknown";
-         transport = acquire_one_transport(CS_ANY, ttype, serial, NULL);
-       if (transport && transport->serial) {
-            out = transport->serial;
-        }
-        snprintf(buf, sizeof buf, "OKAY%04x%s",(unsigned)strlen(out),out);
-        writex(reply_fd, buf, strlen(buf));
-        return 0;
-    }
-    // indicates a new emulator instance has started
-    if (!strncmp(service,"emulator:",9)) {
-        int  port = atoi(service+9);
-        local_connect(port);
-        /* we don't even need to send a reply */
-        return 0;
-    }
-#endif // ADB_HOST
-
-    if(!strncmp(service,"forward:",8) || !strncmp(service,"killforward:",12)) {
-        char *local, *remote, *err;
-        int r;
-        atransport *transport;
-
-        int createForward = strncmp(service,"kill",4);
-
-        local = service + (createForward ? 8 : 12);
-        remote = strchr(local,';');
-        if(remote == 0) {
-            sendfailmsg(reply_fd, "malformed forward spec");
-            return 0;
-        }
-
-        *remote++ = 0;
-        if((local[0] == 0) || (remote[0] == 0) || (remote[0] == '*')){
-            sendfailmsg(reply_fd, "malformed forward spec");
-            return 0;
-        }
-
-        transport = acquire_one_transport(CS_ANY, ttype, serial, &err);
-        if (!transport) {
-            sendfailmsg(reply_fd, err);
-            return 0;
-        }
-
-        if (createForward) {
-            r = install_listener(local, remote, transport);
-        } else {
-            r = remove_listener(local, remote, transport);
-        }
-        if(r == 0) {
-                /* 1st OKAY is connect, 2nd OKAY is status */
-            writex(reply_fd, "OKAYOKAY", 8);
-            return 0;
-        }
-
-        if (createForward) {
-            sendfailmsg(reply_fd, (r == -1) ? "cannot rebind smartsocket" : "cannot bind socket");
-        } else {
-            sendfailmsg(reply_fd, "cannot remove listener");
-        }
-        return 0;
-    }
-
-    if(!strncmp(service,"get-state",strlen("get-state"))) {
-        transport = acquire_one_transport(CS_ANY, ttype, serial, NULL);
-        char *state = connection_state_name(transport);
-        snprintf(buf, sizeof buf, "OKAY%04x%s",(unsigned)strlen(state),state);
-        writex(reply_fd, buf, strlen(buf));
-        return 0;
-    }
-    return -1;
-}
diff --git a/minadbd/adb.h b/minadbd/adb.h
index a989edd..98fa597 100644
--- a/minadbd/adb.h
+++ b/minadbd/adb.h
@@ -41,7 +41,6 @@
 typedef struct amessage amessage;
 typedef struct apacket apacket;
 typedef struct asocket asocket;
-typedef struct alistener alistener;
 typedef struct aservice aservice;
 typedef struct atransport atransport;
 typedef struct adisconnect  adisconnect;
@@ -134,7 +133,7 @@ struct asocket {
 /* 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
-** transport (e.g. remote sockets, listeners, etc...)
+** transport (e.g. remote sockets, etc...)
 */
 struct  adisconnect
 {
@@ -194,30 +193,6 @@ struct atransport
 };
 
 
-/* A listener is an entity which binds to a local port
-** and, upon receiving a connection on that port, creates
-** an asocket to connect the new local connection to a
-** specific remote service.
-**
-** TODO: some listeners read from the new connection to
-** determine what exact service to connect to on the far
-** side.
-*/
-struct alistener
-{
-    alistener *next;
-    alistener *prev;
-
-    fdevent fde;
-    int fd;
-
-    const char *local_name;
-    const char *connect_to;
-    atransport *transport;
-    adisconnect  disconnect;
-};
-
-
 void print_packet(const char *label, apacket *p);
 
 asocket *find_local_socket(unsigned id);
diff --git a/minadbd/sockets.c b/minadbd/sockets.c
index 9f4cecb..2dd6461 100644
--- a/minadbd/sockets.c
+++ b/minadbd/sockets.c
@@ -413,22 +413,6 @@ asocket *create_local_service_socket(const char *name)
     return s;
 }
 
-#if ADB_HOST
-static asocket *create_host_service_socket(const char *name, const char* serial)
-{
-    asocket *s;
-
-    s = host_service_to_socket(name, serial);
-
-    if (s != NULL) {
-        D("LS(%d) bound to '%s'\n", s->id, name);
-        return s;
-    }
-
-    return s;
-}
-#endif /* ADB_HOST */
-
 /* a Remote socket is used to send/receive data to/from a given transport object
 ** it needs to be closed when the transport is forcibly destroyed by the user
 */
@@ -612,11 +596,6 @@ char *skip_host_serial(char *service) {
 static int smart_socket_enqueue(asocket *s, apacket *p)
 {
     unsigned len;
-#if ADB_HOST
-    char *service = NULL;
-    char* serial = NULL;
-    transport_type ttype = kTransportAny;
-#endif
 
     D("SS(%d): enqueue %d\n", s->id, p->len);
 
@@ -658,84 +637,6 @@ static int smart_socket_enqueue(asocket *s, apacket *p)
 
     D("SS(%d): '%s'\n", s->id, (char*) (p->data + 4));
 
-#if ADB_HOST
-    service = (char *)p->data + 4;
-    if(!strncmp(service, "host-serial:", strlen("host-serial:"))) {
-        char* serial_end;
-        service += strlen("host-serial:");
-
-        // serial number should follow "host:" and could be a host:port string.
-        serial_end = skip_host_serial(service);
-        if (serial_end) {
-            *serial_end = 0; // terminate string
-            serial = service;
-            service = serial_end + 1;
-        }
-    } else if (!strncmp(service, "host-usb:", strlen("host-usb:"))) {
-        ttype = kTransportUsb;
-        service += strlen("host-usb:");
-    } else if (!strncmp(service, "host-local:", strlen("host-local:"))) {
-        ttype = kTransportLocal;
-        service += strlen("host-local:");
-    } else if (!strncmp(service, "host:", strlen("host:"))) {
-        ttype = kTransportAny;
-        service += strlen("host:");
-    } else {
-        service = NULL;
-    }
-
-    if (service) {
-        asocket *s2;
-
-            /* some requests are handled immediately -- in that
-            ** case the handle_host_request() routine has sent
-            ** the OKAY or FAIL message and all we have to do
-            ** is clean up.
-            */
-        if(handle_host_request(service, ttype, serial, s->peer->fd, s) == 0) {
-                /* XXX fail message? */
-            D( "SS(%d): handled host service '%s'\n", s->id, service );
-            goto fail;
-        }
-        if (!strncmp(service, "transport", strlen("transport"))) {
-            D( "SS(%d): okay transport\n", s->id );
-            p->len = 0;
-            return 0;
-        }
-
-            /* try to find a local service with this name.
-            ** if no such service exists, we'll fail out
-            ** and tear down here.
-            */
-        s2 = create_host_service_socket(service, serial);
-        if(s2 == 0) {
-            D( "SS(%d): couldn't create host service '%s'\n", s->id, service );
-            sendfailmsg(s->peer->fd, "unknown host service");
-            goto fail;
-        }
-
-            /* we've connected to a local host service,
-            ** so we make our peer back into a regular
-            ** local socket and bind it to the new local
-            ** service socket, acknowledge the successful
-            ** connection, and close this smart socket now
-            ** that its work is done.
-            */
-        adb_write(s->peer->fd, "OKAY", 4);
-
-        s->peer->ready = local_socket_ready;
-        s->peer->close = local_socket_close;
-        s->peer->peer = s2;
-        s2->peer = s->peer;
-        s->peer = 0;
-        D( "SS(%d): okay\n", s->id );
-        s->close(s);
-
-            /* initial state is "ready" */
-        s2->ready(s2);
-        return 0;
-    }
-#else /* !ADB_HOST */
     if (s->transport == NULL) {
         char* error_string = "unknown failure";
         s->transport = acquire_one_transport (CS_ANY,
@@ -746,7 +647,6 @@ static int smart_socket_enqueue(asocket *s, apacket *p)
             goto fail;
         }
     }
-#endif
 
     if(!(s->transport) || (s->transport->connection_state == CS_OFFLINE)) {
            /* if there's no remote we fail the connection
diff --git a/minadbd/transport.c b/minadbd/transport.c
index 2f7bd27..ff20049 100644
--- a/minadbd/transport.c
+++ b/minadbd/transport.c
@@ -363,154 +363,10 @@ static int transport_registration_send = -1;
 static int transport_registration_recv = -1;
 static fdevent transport_registration_fde;
 
-
-#if ADB_HOST
-static int list_transports_msg(char*  buffer, size_t  bufferlen)
-{
-    char  head[5];
-    int   len;
-
-    len = list_transports(buffer+4, bufferlen-4);
-    snprintf(head, sizeof(head), "%04x", len);
-    memcpy(buffer, head, 4);
-    len += 4;
-    return len;
-}
-
-/* this adds support required by the 'track-devices' service.
- * this is used to send the content of "list_transport" to any
- * number of client connections that want it through a single
- * live TCP connection
- */
-typedef struct device_tracker  device_tracker;
-struct device_tracker {
-    asocket          socket;
-    int              update_needed;
-    device_tracker*  next;
-};
-
-/* linked list of all device trackers */
-static device_tracker*   device_tracker_list;
-
-static void
-device_tracker_remove( device_tracker*  tracker )
-{
-    device_tracker**  pnode = &device_tracker_list;
-    device_tracker*   node  = *pnode;
-
-    adb_mutex_lock( &transport_lock );
-    while (node) {
-        if (node == tracker) {
-            *pnode = node->next;
-            break;
-        }
-        pnode = &node->next;
-        node  = *pnode;
-    }
-    adb_mutex_unlock( &transport_lock );
-}
-
-static void
-device_tracker_close( asocket*  socket )
-{
-    device_tracker*  tracker = (device_tracker*) socket;
-    asocket*         peer    = socket->peer;
-
-    D( "device tracker %p removed\n", tracker);
-    if (peer) {
-        peer->peer = NULL;
-        peer->close(peer);
-    }
-    device_tracker_remove(tracker);
-    free(tracker);
-}
-
-static int
-device_tracker_enqueue( asocket*  socket, apacket*  p )
-{
-    /* you can't read from a device tracker, close immediately */
-    put_apacket(p);
-    device_tracker_close(socket);
-    return -1;
-}
-
-static int
-device_tracker_send( device_tracker*  tracker,
-                     const char*      buffer,
-                     int              len )
-{
-    apacket*  p = get_apacket();
-    asocket*  peer = tracker->socket.peer;
-
-    memcpy(p->data, buffer, len);
-    p->len = len;
-    return peer->enqueue( peer, p );
-}
-
-
-static void
-device_tracker_ready( asocket*  socket )
-{
-    device_tracker*  tracker = (device_tracker*) socket;
-
-    /* we want to send the device list when the tracker connects
-    * for the first time, even if no update occured */
-    if (tracker->update_needed > 0) {
-        char  buffer[1024];
-        int   len;
-
-        tracker->update_needed = 0;
-
-        len = list_transports_msg(buffer, sizeof(buffer));
-        device_tracker_send(tracker, buffer, len);
-    }
-}
-
-
-asocket*
-create_device_tracker(void)
-{
-    device_tracker*  tracker = calloc(1,sizeof(*tracker));
-
-    if(tracker == 0) fatal("cannot allocate device tracker");
-
-    D( "device tracker %p created\n", tracker);
-
-    tracker->socket.enqueue = device_tracker_enqueue;
-    tracker->socket.ready   = device_tracker_ready;
-    tracker->socket.close   = device_tracker_close;
-    tracker->update_needed  = 1;
-
-    tracker->next       = device_tracker_list;
-    device_tracker_list = tracker;
-
-    return &tracker->socket;
-}
-
-
-/* call this function each time the transport list has changed */
-void  update_transports(void)
-{
-    char             buffer[1024];
-    int              len;
-    device_tracker*  tracker;
-
-    len = list_transports_msg(buffer, sizeof(buffer));
-
-    tracker = device_tracker_list;
-    while (tracker != NULL) {
-        device_tracker*  next = tracker->next;
-        /* note: this may destroy the tracker if the connection is closed */
-        device_tracker_send(tracker, buffer, len);
-        tracker = next;
-    }
-}
-#else
 void  update_transports(void)
 {
     // nothing to do on the device side
 }
-#endif // ADB_HOST
 
 typedef struct tmsg tmsg;
 struct tmsg
@@ -822,64 +678,6 @@ retry:
     return result;
 }
 
-#if ADB_HOST
-static const char *statename(atransport *t)
-{
-    switch(t->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_SIDELOAD: return "sideload";
-    case CS_NOPERM: return "no permissions";
-    default: return "unknown";
-    }
-}
-
-int list_transports(char *buf, size_t  bufsize)
-{
-    char*       p   = buf;
-    char*       end = buf + bufsize;
-    int         len;
-    atransport *t;
-
-        /* XXX OVERRUN PROBLEMS XXX */
-    adb_mutex_lock(&transport_lock);
-    for(t = transport_list.next; t != &transport_list; t = t->next) {
-        const char* serial = t->serial;
-        if (!serial || !serial[0])
-            serial = "????????????";
-        len = snprintf(p, end - p, "%s\t%s\n", serial, statename(t));
-
-        if (p + len >= end) {
-            /* discard last line if buffer is too short */
-            break;
-        }
-        p += len;
-    }
-    p[0] = 0;
-    adb_mutex_unlock(&transport_lock);
-    return p - buf;
-}
-
-
-/* hack for osx */
-void close_usb_devices()
-{
-    atransport *t;
-
-    adb_mutex_lock(&transport_lock);
-    for(t = transport_list.next; t != &transport_list; t = t->next) {
-        if ( !t->kicked ) {
-            t->kicked = 1;
-            t->kick(t);
-        }
-    }
-    adb_mutex_unlock(&transport_lock);
-}
-#endif // ADB_HOST
-
 void register_socket_transport(int s, const char *serial, int port, int local)
 {
     atransport *t = calloc(1, sizeof(atransport));
@@ -901,61 +699,6 @@ void register_socket_transport(int s, const char *serial, int port, int local)
     register_transport(t);
 }
 
-#if ADB_HOST
-atransport *find_transport(const char *serial)
-{
-    atransport *t;
-
-    adb_mutex_lock(&transport_lock);
-    for(t = transport_list.next; t != &transport_list; t = t->next) {
-        if (t->serial && !strcmp(serial, t->serial)) {
-            break;
-        }
-     }
-    adb_mutex_unlock(&transport_lock);
-
-    if (t != &transport_list)
-        return t;
-    else
-        return 0;
-}
-
-void unregister_transport(atransport *t)
-{
-    adb_mutex_lock(&transport_lock);
-    t->next->prev = t->prev;
-    t->prev->next = t->next;
-    adb_mutex_unlock(&transport_lock);
-
-    kick_transport(t);
-    transport_unref(t);
-}
-
-// unregisters all non-emulator TCP transports
-void unregister_all_tcp_transports()
-{
-    atransport *t, *next;
-    adb_mutex_lock(&transport_lock);
-    for (t = transport_list.next; t != &transport_list; t = next) {
-        next = t->next;
-        if (t->type == kTransportLocal && t->adb_port == 0) {
-            t->next->prev = t->prev;
-            t->prev->next = next;
-            // we cannot call kick_transport when holding transport_lock
-            if (!t->kicked)
-            {
-                t->kicked = 1;
-                t->kick(t);
-            }
-            transport_unref_locked(t);
-        }
-     }
-
-    adb_mutex_unlock(&transport_lock);
-}
-
-#endif
-
 void register_usb_transport(usb_handle *usb, const char *serial, unsigned writeable)
 {
     atransport *t = calloc(1, sizeof(atransport));
diff --git a/minadbd/transport_usb.c b/minadbd/transport_usb.c
index ee6b637..91cbf61 100644
--- a/minadbd/transport_usb.c
+++ b/minadbd/transport_usb.c
@@ -23,10 +23,6 @@
 #define  TRACE_TAG  TRACE_TRANSPORT
 #include "adb.h"
 
-#if ADB_HOST
-#include "usb_vendors.h"
-#endif
-
 #ifdef HAVE_BIG_ENDIAN
 #define H4(x)	(((x) & 0xFF000000) >> 24) | (((x) & 0x00FF0000) >> 8) | (((x) & 0x0000FF00) << 8) | (((x) & 0x000000FF) << 24)
 static inline void fix_endians(apacket *p)
@@ -121,28 +117,5 @@ void init_usb_transport(atransport *t, usb_handle *h, int state)
     t->type = kTransportUsb;
     t->usb = h;
 
-#if ADB_HOST
-    HOST = 1;
-#else
     HOST = 0;
-#endif
-}
-
-#if ADB_HOST
-int is_adb_interface(int vid, int pid, int usb_class, int usb_subclass, int usb_protocol)
-{
-    unsigned i;
-    for (i = 0; i < vendorIdCount; i++) {
-        if (vid == vendorIds[i]) {
-            if (usb_class == ADB_CLASS && usb_subclass == ADB_SUBCLASS &&
-                    usb_protocol == ADB_PROTOCOL) {
-                return 1;
-            }
-
-            return 0;
-        }
-    }
-
-    return 0;
 }
-#endif