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author | Doug Zongker <dougz@android.com> | 2012-01-10 19:19:00 +0100 |
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committer | Android (Google) Code Review <android-gerrit@google.com> | 2012-01-10 19:19:00 +0100 |
commit | 3e8ba436854ecbd15f494ff7ebb9927fa47cb11b (patch) | |
tree | 4d79645e104a0c6459861684b398c3ea28239cc7 /minadbd/services.c | |
parent | recovery: convert all usages of $prop to ${prop} (diff) | |
parent | support "sideload over ADB" mode (diff) | |
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Diffstat (limited to 'minadbd/services.c')
-rw-r--r-- | minadbd/services.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/minadbd/services.c b/minadbd/services.c new file mode 100644 index 000000000..8fc8b3ccb --- /dev/null +++ b/minadbd/services.c @@ -0,0 +1,161 @@ +/* + * 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 <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> + +#include "sysdeps.h" +#include "fdevent.h" + +#define TRACE_TAG TRACE_SERVICES +#include "adb.h" + +typedef struct stinfo stinfo; + +struct stinfo { + void (*func)(int fd, void *cookie); + int fd; + void *cookie; +}; + + +void *service_bootstrap_func(void *x) +{ + stinfo *sti = x; + sti->func(sti->fd, sti->cookie); + free(sti); + return 0; +} + +static void sideload_service(int s, void *cookie) +{ + unsigned char buf[4096]; + unsigned count = (unsigned) cookie; + int fd; + + fprintf(stderr, "sideload_service invoked\n"); + + fd = adb_creat(ADB_SIDELOAD_FILENAME, 0644); + if(fd < 0) { + adb_close(s); + return; + } + + while(count > 0) { + unsigned xfer = (count > 4096) ? 4096 : count; + if(readx(s, buf, xfer)) break; + if(writex(fd, buf, xfer)) break; + count -= xfer; + } + + if(count == 0) { + writex(s, "OKAY", 4); + } else { + writex(s, "FAIL", 4); + } + adb_close(fd); + adb_close(s); + + if (count == 0) { + fprintf(stderr, "adbd exiting after successful sideload\n"); + sleep(1); + exit(0); + } +} + + +#if 0 +static void echo_service(int fd, void *cookie) +{ + char buf[4096]; + int r; + char *p; + int c; + + for(;;) { + r = read(fd, buf, 4096); + if(r == 0) goto done; + if(r < 0) { + if(errno == EINTR) continue; + else goto done; + } + + c = r; + p = buf; + while(c > 0) { + r = write(fd, p, c); + if(r > 0) { + c -= r; + p += r; + continue; + } + if((r < 0) && (errno == EINTR)) continue; + goto done; + } + } +done: + close(fd); +} +#endif + +static int create_service_thread(void (*func)(int, void *), void *cookie) +{ + stinfo *sti; + adb_thread_t t; + int s[2]; + + if(adb_socketpair(s)) { + printf("cannot create service socket pair\n"); + return -1; + } + + sti = malloc(sizeof(stinfo)); + if(sti == 0) fatal("cannot allocate stinfo"); + sti->func = func; + sti->cookie = cookie; + sti->fd = s[1]; + + if(adb_thread_create( &t, service_bootstrap_func, sti)){ + free(sti); + adb_close(s[0]); + adb_close(s[1]); + printf("cannot create service thread\n"); + return -1; + } + + D("service thread started, %d:%d\n",s[0], s[1]); + return s[0]; +} + +int service_to_fd(const char *name) +{ + int ret = -1; + + if (!strncmp(name, "sideload:", 9)) { + ret = create_service_thread(sideload_service, (void*) atoi(name + 9)); +#if 0 + } else if(!strncmp(name, "echo:", 5)){ + ret = create_service_thread(echo_service, 0); +#endif + } + if (ret >= 0) { + close_on_exec(ret); + } + return ret; +} |