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- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <errno.h>
- #include <limits.h>
- #include <stdarg.h>
- #include <zipfile/zipfile.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #include "sysdeps.h"
- #define TRACE_TAG TRACE_ADB
- #include "adb_client.h"
- static transport_type __adb_transport = kTransportAny;
- static const char* __adb_serial = NULL;
- static int __adb_server_port = DEFAULT_ADB_PORT;
- void adb_set_transport(transport_type type, const char* serial)
- {
- __adb_transport = type;
- __adb_serial = serial;
- }
- void adb_set_tcp_specifics(int server_port)
- {
- __adb_server_port = server_port;
- }
- int adb_get_emulator_console_port(void)
- {
- const char* serial = __adb_serial;
- int port;
- if (serial == NULL) {
- /* if no specific device was specified, we need to look at */
- /* the list of connected devices, and extract an emulator */
- /* name from it. two emulators is an error */
- char* tmp = adb_query("host:devices");
- char* p = tmp;
- if(!tmp) {
- printf("no emulator connected\n");
- return -1;
- }
- while (*p) {
- char* q = strchr(p, '\n');
- if (q != NULL)
- *q++ = 0;
- else
- q = p + strlen(p);
- if (!memcmp(p, LOCAL_CLIENT_PREFIX, sizeof(LOCAL_CLIENT_PREFIX)-1)) {
- if (serial != NULL) { /* more than one emulator listed */
- free(tmp);
- return -2;
- }
- serial = p;
- }
- p = q;
- }
- free(tmp);
- if (serial == NULL)
- return -1; /* no emulator found */
- }
- else {
- if (memcmp(serial, LOCAL_CLIENT_PREFIX, sizeof(LOCAL_CLIENT_PREFIX)-1) != 0)
- return -1; /* not an emulator */
- }
- serial += sizeof(LOCAL_CLIENT_PREFIX)-1;
- port = strtol(serial, NULL, 10);
- return port;
- }
- static char __adb_error[256] = { 0 };
- const char *adb_error(void)
- {
- return __adb_error;
- }
- static int switch_socket_transport(int fd)
- {
- char service[64];
- char tmp[5];
- int len;
- if (__adb_serial)
- snprintf(service, sizeof service, "host:transport:%s", __adb_serial);
- else {
- char* transport_type = "???";
- switch (__adb_transport) {
- case kTransportUsb:
- transport_type = "transport-usb";
- break;
- case kTransportLocal:
- transport_type = "transport-local";
- break;
- case kTransportAny:
- transport_type = "transport-any";
- break;
- case kTransportHost:
- // no switch necessary
- return 0;
- break;
- }
- snprintf(service, sizeof service, "host:%s", transport_type);
- }
- len = strlen(service);
- snprintf(tmp, sizeof tmp, "%04x", len);
- if(writex(fd, tmp, 4) || writex(fd, service, len)) {
- strcpy(__adb_error, "write failure during connection");
- adb_close(fd);
- return -1;
- }
- D("Switch transport in progress\n");
- if(adb_status(fd)) {
- adb_close(fd);
- D("Switch transport failed\n");
- return -1;
- }
- D("Switch transport success\n");
- return 0;
- }
- int adb_status(int fd)
- {
- unsigned char buf[5];
- unsigned len;
- if(readx(fd, buf, 4)) {
- strcpy(__adb_error, "protocol fault (no status)");
- return -1;
- }
- if(!memcmp(buf, "OKAY", 4)) {
- return 0;
- }
- if(memcmp(buf, "FAIL", 4)) {
- sprintf(__adb_error,
- "protocol fault (status %02x %02x %02x %02x?!)",
- buf[0], buf[1], buf[2], buf[3]);
- return -1;
- }
- if(readx(fd, buf, 4)) {
- strcpy(__adb_error, "protocol fault (status len)");
- return -1;
- }
- buf[4] = 0;
- len = strtoul((char*)buf, 0, 16);
- if(len > 255) len = 255;
- if(readx(fd, __adb_error, len)) {
- strcpy(__adb_error, "protocol fault (status read)");
- return -1;
- }
- __adb_error[len] = 0;
- return -1;
- }
- int _adb_connect(const char *service)
- {
- char tmp[5];
- int len;
- int fd;
- D("_adb_connect: %s\n", service);
- len = strlen(service);
- if((len < 1) || (len > 1024)) {
- strcpy(__adb_error, "service name too long");
- return -1;
- }
- snprintf(tmp, sizeof tmp, "%04x", len);
- fd = socket_loopback_client(__adb_server_port, SOCK_STREAM);
- if(fd < 0) {
- strcpy(__adb_error, "cannot connect to daemon");
- return -2;
- }
- if (memcmp(service,"host",4) != 0 && switch_socket_transport(fd)) {
- return -1;
- }
- if(writex(fd, tmp, 4) || writex(fd, service, len)) {
- strcpy(__adb_error, "write failure during connection");
- adb_close(fd);
- return -1;
- }
- if(adb_status(fd)) {
- adb_close(fd);
- return -1;
- }
- D("_adb_connect: return fd %d\n", fd);
- return fd;
- }
- int adb_connect(const char *service)
- {
- // first query the adb server's version
- int fd = _adb_connect("host:version");
- D("adb_connect: service %s\n", service);
- if(fd == -2) {
- fprintf(stdout,"* daemon not running. starting it now on port %d *\n",
- __adb_server_port);
- start_server:
- if(launch_server(__adb_server_port)) {
- fprintf(stderr,"* failed to start daemon *\n");
- return -1;
- } else {
- fprintf(stdout,"* daemon started successfully *\n");
- }
- /* give the server some time to start properly and detect devices */
- adb_sleep_ms(3000);
- // fall through to _adb_connect
- } else {
- // if server was running, check its version to make sure it is not out of date
- char buf[100];
- int n;
- int version = ADB_SERVER_VERSION - 1;
- // if we have a file descriptor, then parse version result
- if(fd >= 0) {
- if(readx(fd, buf, 4)) goto error;
- buf[4] = 0;
- n = strtoul(buf, 0, 16);
- if(n > (int)sizeof(buf)) goto error;
- if(readx(fd, buf, n)) goto error;
- adb_close(fd);
- if (sscanf(buf, "%04x", &version) != 1) goto error;
- } else {
- // if fd is -1, then check for "unknown host service",
- // which would indicate a version of adb that does not support the version command
- if (strcmp(__adb_error, "unknown host service") != 0)
- return fd;
- }
- if(version != ADB_SERVER_VERSION) {
- printf("adb server is out of date. killing...\n");
- fd = _adb_connect("host:kill");
- adb_close(fd);
- /* XXX can we better detect its death? */
- adb_sleep_ms(2000);
- goto start_server;
- }
- }
- // if the command is start-server, we are done.
- if (!strcmp(service, "host:start-server"))
- return 0;
- fd = _adb_connect(service);
- if(fd == -2) {
- fprintf(stderr,"** daemon still not running");
- }
- D("adb_connect: return fd %d\n", fd);
- return fd;
- error:
- adb_close(fd);
- return -1;
- }
- int adb_command(const char *service)
- {
- int fd = adb_connect(service);
- if(fd < 0) {
- return -1;
- }
- if(adb_status(fd)) {
- adb_close(fd);
- return -1;
- }
- return 0;
- }
- char *adb_query(const char *service)
- {
- char buf[5];
- unsigned n;
- char *tmp;
- D("adb_query: %s\n", service);
- int fd = adb_connect(service);
- if(fd < 0) {
- fprintf(stderr,"error: %s\n", __adb_error);
- return 0;
- }
- if(readx(fd, buf, 4)) goto oops;
- buf[4] = 0;
- n = strtoul(buf, 0, 16);
- if(n > 1024) goto oops;
- tmp = malloc(n + 1);
- if(tmp == 0) goto oops;
- if(readx(fd, tmp, n) == 0) {
- tmp[n] = 0;
- adb_close(fd);
- return tmp;
- }
- free(tmp);
- oops:
- adb_close(fd);
- return 0;
- }
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