summaryrefslogtreecommitdiffstats
path: root/libcutils/properties.c
diff options
context:
space:
mode:
Diffstat (limited to 'libcutils/properties.c')
-rw-r--r--libcutils/properties.c266
1 files changed, 1 insertions, 265 deletions
diff --git a/libcutils/properties.c b/libcutils/properties.c
index b283658..4e46e02 100644
--- a/libcutils/properties.c
+++ b/libcutils/properties.c
@@ -28,7 +28,7 @@
#include <cutils/properties.h>
#include <stdbool.h>
#include <inttypes.h>
-#include "loghack.h"
+#include <log/log.h>
int8_t property_get_bool(const char *key, int8_t default_value) {
if (!key) {
@@ -104,8 +104,6 @@ int32_t property_get_int32(const char *key, int32_t default_value) {
return (int32_t)property_get_imax(key, INT32_MIN, INT32_MAX, default_value);
}
-#ifdef HAVE_LIBC_SYSTEM_PROPERTIES
-
#define _REALLY_INCLUDE_SYS__SYSTEM_PROPERTIES_H_
#include <sys/_system_properties.h>
@@ -156,265 +154,3 @@ int property_list(
struct property_list_callback_data data = { propfn, cookie };
return __system_property_foreach(property_list_callback, &data);
}
-
-#elif defined(HAVE_SYSTEM_PROPERTY_SERVER)
-
-/*
- * The Linux simulator provides a "system property server" that uses IPC
- * to set/get/list properties. The file descriptor is shared by all
- * threads in the process, so we use a mutex to ensure that requests
- * from multiple threads don't get interleaved.
- */
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <pthread.h>
-
-static pthread_once_t gInitOnce = PTHREAD_ONCE_INIT;
-static pthread_mutex_t gPropertyFdLock = PTHREAD_MUTEX_INITIALIZER;
-static int gPropFd = -1;
-
-/*
- * Connect to the properties server.
- *
- * Returns the socket descriptor on success.
- */
-static int connectToServer(const char* fileName)
-{
- int sock = -1;
- int cc;
-
- struct sockaddr_un addr;
-
- sock = socket(AF_UNIX, SOCK_STREAM, 0);
- if (sock < 0) {
- ALOGW("UNIX domain socket create failed (errno=%d)\n", errno);
- return -1;
- }
-
- /* connect to socket; fails if file doesn't exist */
- strcpy(addr.sun_path, fileName); // max 108 bytes
- addr.sun_family = AF_UNIX;
- cc = connect(sock, (struct sockaddr*) &addr, SUN_LEN(&addr));
- if (cc < 0) {
- // ENOENT means socket file doesn't exist
- // ECONNREFUSED means socket exists but nobody is listening
- //ALOGW("AF_UNIX connect failed for '%s': %s\n",
- // fileName, strerror(errno));
- close(sock);
- return -1;
- }
-
- return sock;
-}
-
-/*
- * Perform one-time initialization.
- */
-static void init(void)
-{
- assert(gPropFd == -1);
-
- gPropFd = connectToServer(SYSTEM_PROPERTY_PIPE_NAME);
- if (gPropFd < 0) {
- //ALOGW("not connected to system property server\n");
- } else {
- //ALOGV("Connected to system property server\n");
- }
-}
-
-int property_get(const char *key, char *value, const char *default_value)
-{
- char sendBuf[1+PROPERTY_KEY_MAX];
- char recvBuf[1+PROPERTY_VALUE_MAX];
- int len = -1;
-
- //ALOGV("PROPERTY GET [%s]\n", key);
-
- pthread_once(&gInitOnce, init);
- if (gPropFd < 0) {
- /* this mimics the behavior of the device implementation */
- if (default_value != NULL) {
- strcpy(value, default_value);
- len = strlen(value);
- }
- return len;
- }
-
- if (strlen(key) >= PROPERTY_KEY_MAX) return -1;
-
- memset(sendBuf, 0xdd, sizeof(sendBuf)); // placate valgrind
-
- sendBuf[0] = (char) kSystemPropertyGet;
- strcpy(sendBuf+1, key);
-
- pthread_mutex_lock(&gPropertyFdLock);
- if (write(gPropFd, sendBuf, sizeof(sendBuf)) != sizeof(sendBuf)) {
- pthread_mutex_unlock(&gPropertyFdLock);
- return -1;
- }
- if (read(gPropFd, recvBuf, sizeof(recvBuf)) != sizeof(recvBuf)) {
- pthread_mutex_unlock(&gPropertyFdLock);
- return -1;
- }
- pthread_mutex_unlock(&gPropertyFdLock);
-
- /* first byte is 0 if value not defined, 1 if found */
- if (recvBuf[0] == 0) {
- if (default_value != NULL) {
- strcpy(value, default_value);
- len = strlen(value);
- } else {
- /*
- * If the value isn't defined, hand back an empty string and
- * a zero length, rather than a failure. This seems wrong,
- * since you can't tell the difference between "undefined" and
- * "defined but empty", but it's what the device does.
- */
- value[0] = '\0';
- len = 0;
- }
- } else if (recvBuf[0] == 1) {
- strcpy(value, recvBuf+1);
- len = strlen(value);
- } else {
- ALOGE("Got strange response to property_get request (%d)\n",
- recvBuf[0]);
- assert(0);
- return -1;
- }
- //ALOGV("PROP [found=%d def='%s'] (%d) [%s]: [%s]\n",
- // recvBuf[0], default_value, len, key, value);
-
- return len;
-}
-
-
-int property_set(const char *key, const char *value)
-{
- char sendBuf[1+PROPERTY_KEY_MAX+PROPERTY_VALUE_MAX];
- char recvBuf[1];
- int result = -1;
-
- //ALOGV("PROPERTY SET [%s]: [%s]\n", key, value);
-
- pthread_once(&gInitOnce, init);
- if (gPropFd < 0)
- return -1;
-
- if (strlen(key) >= PROPERTY_KEY_MAX) return -1;
- if (strlen(value) >= PROPERTY_VALUE_MAX) return -1;
-
- memset(sendBuf, 0xdd, sizeof(sendBuf)); // placate valgrind
-
- sendBuf[0] = (char) kSystemPropertySet;
- strcpy(sendBuf+1, key);
- strcpy(sendBuf+1+PROPERTY_KEY_MAX, value);
-
- pthread_mutex_lock(&gPropertyFdLock);
- if (write(gPropFd, sendBuf, sizeof(sendBuf)) != sizeof(sendBuf)) {
- pthread_mutex_unlock(&gPropertyFdLock);
- return -1;
- }
- if (read(gPropFd, recvBuf, sizeof(recvBuf)) != sizeof(recvBuf)) {
- pthread_mutex_unlock(&gPropertyFdLock);
- return -1;
- }
- pthread_mutex_unlock(&gPropertyFdLock);
-
- if (recvBuf[0] != 1)
- return -1;
- return 0;
-}
-
-int property_list(void (*propfn)(const char *key, const char *value, void *cookie),
- void *cookie)
-{
- //ALOGV("PROPERTY LIST\n");
- pthread_once(&gInitOnce, init);
- if (gPropFd < 0)
- return -1;
-
- return 0;
-}
-
-#else
-
-/* SUPER-cheesy place-holder implementation for Win32 */
-
-#include <cutils/threads.h>
-
-static mutex_t env_lock = MUTEX_INITIALIZER;
-
-int property_get(const char *key, char *value, const char *default_value)
-{
- char ename[PROPERTY_KEY_MAX + 6];
- char *p;
- int len;
-
- len = strlen(key);
- if(len >= PROPERTY_KEY_MAX) return -1;
- memcpy(ename, "PROP_", 5);
- memcpy(ename + 5, key, len + 1);
-
- mutex_lock(&env_lock);
-
- p = getenv(ename);
- if(p == 0) p = "";
- len = strlen(p);
- if(len >= PROPERTY_VALUE_MAX) {
- len = PROPERTY_VALUE_MAX - 1;
- }
-
- if((len == 0) && default_value) {
- len = strlen(default_value);
- memcpy(value, default_value, len + 1);
- } else {
- memcpy(value, p, len);
- value[len] = 0;
- }
-
- mutex_unlock(&env_lock);
-
- return len;
-}
-
-
-int property_set(const char *key, const char *value)
-{
- char ename[PROPERTY_KEY_MAX + 6];
- char *p;
- int len;
- int r;
-
- if(strlen(value) >= PROPERTY_VALUE_MAX) return -1;
-
- len = strlen(key);
- if(len >= PROPERTY_KEY_MAX) return -1;
- memcpy(ename, "PROP_", 5);
- memcpy(ename + 5, key, len + 1);
-
- mutex_lock(&env_lock);
-#ifdef HAVE_MS_C_RUNTIME
- {
- char temp[256];
- snprintf( temp, sizeof(temp), "%s=%s", ename, value);
- putenv(temp);
- r = 0;
- }
-#else
- r = setenv(ename, value, 1);
-#endif
- mutex_unlock(&env_lock);
-
- return r;
-}
-
-int property_list(void (*propfn)(const char *key, const char *value, void *cookie),
- void *cookie)
-{
- return 0;
-}
-
-#endif
generated by cgit v1.1 at 2025-08-16 10:21:31 +0000