149 lines
4.0 KiB
C
149 lines
4.0 KiB
C
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <signal.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/socket.h>
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#include <sys/select.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/un.h>
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#include <cutils/sockets.h>
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#include <private/android_filesystem_config.h>
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static void usage(char *progname);
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static int do_monitor(int sock, int stop_after_cmd);
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static int do_cmd(int sock, int argc, char **argv);
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int main(int argc, char **argv) {
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int sock;
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if (argc < 2)
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usage(argv[0]);
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if ((sock = socket_local_client("nexus",
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ANDROID_SOCKET_NAMESPACE_RESERVED,
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SOCK_STREAM)) < 0) {
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fprintf(stderr, "Error connecting (%s)\n", strerror(errno));
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exit(4);
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}
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if (!strcmp(argv[1], "monitor"))
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exit(do_monitor(sock, 0));
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exit(do_cmd(sock, argc, argv));
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}
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static int do_cmd(int sock, int argc, char **argv) {
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char final_cmd[255] = { '\0' };
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int i;
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for (i = 1; i < argc; i++) {
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char *cmp;
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if (!index(argv[i], ' '))
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asprintf(&cmp, "%s%s", argv[i], (i == (argc -1)) ? "" : " ");
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else
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asprintf(&cmp, "\"%s\"%s", argv[i], (i == (argc -1)) ? "" : " ");
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strcat(final_cmd, cmp);
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free(cmp);
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}
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if (write(sock, final_cmd, strlen(final_cmd) + 1) < 0) {
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perror("write");
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return errno;
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}
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return do_monitor(sock, 1);
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}
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static int do_monitor(int sock, int stop_after_cmd) {
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char *buffer = malloc(4096);
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if (!stop_after_cmd)
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printf("[Connected to Nexus]\n");
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while(1) {
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fd_set read_fds;
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struct timeval to;
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int rc = 0;
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to.tv_sec = 10;
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to.tv_usec = 0;
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FD_ZERO(&read_fds);
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FD_SET(sock, &read_fds);
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if ((rc = select(sock +1, &read_fds, NULL, NULL, &to)) < 0) {
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fprintf(stderr, "Error in select (%s)\n", strerror(errno));
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free(buffer);
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return errno;
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} else if (!rc) {
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continue;
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fprintf(stderr, "[TIMEOUT]\n");
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return ETIMEDOUT;
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} else if (FD_ISSET(sock, &read_fds)) {
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memset(buffer, 0, 4096);
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if ((rc = read(sock, buffer, 4096)) <= 0) {
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if (rc == 0)
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fprintf(stderr, "Lost connection to Nexus - did it crash?\n");
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else
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fprintf(stderr, "Error reading data (%s)\n", strerror(errno));
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free(buffer);
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if (rc == 0)
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return ECONNRESET;
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return errno;
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}
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int offset = 0;
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int i = 0;
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for (i = 0; i < rc; i++) {
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if (buffer[i] == '\0') {
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int code;
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char tmp[4];
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strncpy(tmp, buffer + offset, 3);
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tmp[3] = '\0';
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code = atoi(tmp);
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printf("%s\n", buffer + offset);
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if (stop_after_cmd) {
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if (code >= 200 && code < 600)
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return 0;
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}
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offset = i + 1;
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}
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}
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}
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}
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free(buffer);
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return 0;
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}
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static void usage(char *progname) {
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fprintf(stderr, "Usage: %s <monitor>|<cmd> [arg1] [arg2...]\n", progname);
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exit(1);
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}
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