int LogfilterAndBuffering(
AndroidLogFormat *p_format,
const AndroidLogEntry *entry, int index)
{
char *outBuffer = NULL;
size_t totalLen=0;
int ret_val=0;
size_t len=0;
if (0 == android_log_shouldPrintLine(p_format, entry->tag,
entry->priority)) {
VPRINT("No need to output.\n");
ret_val=0;
return ret_val;
}
outBuffer = android_log_formatLogLine(p_format, defaultBuffer,
sizeof(defaultBuffer), entry, &totalLen);
if (!outBuffer){
EPRINT("Failed in android_log_formatLogLine.\n");
ret_val=-1;
return ret_val;
}
len= aplogd_rambuf_space(index);
if(len > totalLen ){
memcpy(aplogd_io_array[index].input_buf, outBuffer, totalLen);
aplogd_io_array[index].input_buf += totalLen;
ret_val=totalLen;
if(outBuffer !=defaultBuffer)
free(outBuffer);
}else{
WPRINT("no enough buffer to contain log messages.len=%d totallen=%d.entry->messageLen=%d\n",len, totalLen,entry->messageLen);
if(outBuffer !=defaultBuffer)
free(outBuffer);
ret_val=-1;
aplogd_bytes_lost += totalLen;
}
return ret_val;
}
int android_log_printLogLine(
AndroidLogFormat *p_format,
int fd,
const AndroidLogEntry *entry)
{
int ret;
char defaultBuffer[512];
char *outBuffer = NULL;
size_t totalLen;
outBuffer = android_log_formatLogLine(p_format, defaultBuffer,
sizeof(defaultBuffer), entry, &totalLen);
if (!outBuffer)
return -1;
do {
ret = write(fd, outBuffer, totalLen);
} while (ret < 0 && errno == EINTR);
if (ret < 0) {
fprintf(stderr, "+++ LOG: write failed (errno=%d)\n", errno);
ret = 0;
goto done;
}
if (((size_t)ret) < totalLen) {
fprintf(stderr, "+++ LOG: write partial (%d of %d)\n", ret,
(int)totalLen);
goto done;
}
done:
if (outBuffer != defaultBuffer) {
free(outBuffer);
}
return ret;
}
void logprint_run_tests()
{
#if 0
fprintf(stderr, "tests disabled\n");
#else
int err;
const char *tag;
AndroidLogFormat *p_format;
p_format = android_log_format_new();
fprintf(stderr, "running tests\n");
tag = "random";
android_log_addFilterRule(p_format,"*:i");
assert (ANDROID_LOG_INFO == filterPriForTag(p_format, "random"));
assert(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) == 0);
android_log_addFilterRule(p_format, "*");
assert (ANDROID_LOG_DEBUG == filterPriForTag(p_format, "random"));
assert(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) > 0);
android_log_addFilterRule(p_format, "*:v");
assert (ANDROID_LOG_VERBOSE == filterPriForTag(p_format, "random"));
assert(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) > 0);
android_log_addFilterRule(p_format, "*:i");
assert (ANDROID_LOG_INFO == filterPriForTag(p_format, "random"));
assert(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) == 0);
android_log_addFilterRule(p_format, "random");
assert (ANDROID_LOG_VERBOSE == filterPriForTag(p_format, "random"));
assert(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) > 0);
android_log_addFilterRule(p_format, "random:v");
assert (ANDROID_LOG_VERBOSE == filterPriForTag(p_format, "random"));
assert(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) > 0);
android_log_addFilterRule(p_format, "random:d");
assert (ANDROID_LOG_DEBUG == filterPriForTag(p_format, "random"));
assert(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) > 0);
android_log_addFilterRule(p_format, "random:w");
assert (ANDROID_LOG_WARN == filterPriForTag(p_format, "random"));
assert(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) == 0);
android_log_addFilterRule(p_format, "crap:*");
assert (ANDROID_LOG_VERBOSE== filterPriForTag(p_format, "crap"));
assert(android_log_shouldPrintLine(p_format, "crap", ANDROID_LOG_VERBOSE) > 0);
// invalid expression
err = android_log_addFilterRule(p_format, "random:z");
assert (err < 0);
assert (ANDROID_LOG_WARN == filterPriForTag(p_format, "random"));
assert(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) == 0);
// Issue #550946
err = android_log_addFilterString(p_format, " ");
assert(err == 0);
assert(ANDROID_LOG_WARN == filterPriForTag(p_format, "random"));
// note trailing space
err = android_log_addFilterString(p_format, "*:s random:d ");
assert(err == 0);
assert(ANDROID_LOG_DEBUG == filterPriForTag(p_format, "random"));
err = android_log_addFilterString(p_format, "*:s random:z");
assert(err < 0);
#if 0
char *ret;
char defaultBuffer[512];
ret = android_log_formatLogLine(p_format,
defaultBuffer, sizeof(defaultBuffer), 0, ANDROID_LOG_ERROR, 123,
123, 123, "random", "nofile", strlen("Hello"), "Hello", NULL);
#endif
fprintf(stderr, "tests complete\n");
#endif
}
TEST(liblog, filterRule) {
static const char tag[] = "random";
AndroidLogFormat *p_format = android_log_format_new();
android_log_addFilterRule(p_format,"*:i");
EXPECT_TRUE(checkPriForTag(p_format, tag, ANDROID_LOG_INFO));
EXPECT_TRUE(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) == 0);
android_log_addFilterRule(p_format, "*");
EXPECT_TRUE (checkPriForTag(p_format, tag, ANDROID_LOG_DEBUG));
EXPECT_TRUE(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) > 0);
android_log_addFilterRule(p_format, "*:v");
EXPECT_TRUE (checkPriForTag(p_format, tag, ANDROID_LOG_VERBOSE));
EXPECT_TRUE(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) > 0);
android_log_addFilterRule(p_format, "*:i");
EXPECT_TRUE (checkPriForTag(p_format, tag, ANDROID_LOG_INFO));
EXPECT_TRUE(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) == 0);
android_log_addFilterRule(p_format, tag);
EXPECT_TRUE (checkPriForTag(p_format, tag, ANDROID_LOG_VERBOSE));
EXPECT_TRUE(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) > 0);
android_log_addFilterRule(p_format, "random:v");
EXPECT_TRUE (checkPriForTag(p_format, tag, ANDROID_LOG_VERBOSE));
EXPECT_TRUE(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) > 0);
android_log_addFilterRule(p_format, "random:d");
EXPECT_TRUE (checkPriForTag(p_format, tag, ANDROID_LOG_DEBUG));
EXPECT_TRUE(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) > 0);
android_log_addFilterRule(p_format, "random:w");
EXPECT_TRUE (checkPriForTag(p_format, tag, ANDROID_LOG_WARN));
EXPECT_TRUE(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) == 0);
android_log_addFilterRule(p_format, "crap:*");
EXPECT_TRUE (checkPriForTag(p_format, "crap", ANDROID_LOG_VERBOSE));
EXPECT_TRUE(android_log_shouldPrintLine(p_format, "crap", ANDROID_LOG_VERBOSE) > 0);
// invalid expression
EXPECT_TRUE (android_log_addFilterRule(p_format, "random:z") < 0);
EXPECT_TRUE (checkPriForTag(p_format, tag, ANDROID_LOG_WARN));
EXPECT_TRUE(android_log_shouldPrintLine(p_format, tag, ANDROID_LOG_DEBUG) == 0);
// Issue #550946
EXPECT_TRUE(android_log_addFilterString(p_format, " ") == 0);
EXPECT_TRUE(checkPriForTag(p_format, tag, ANDROID_LOG_WARN));
// note trailing space
EXPECT_TRUE(android_log_addFilterString(p_format, "*:s random:d ") == 0);
EXPECT_TRUE(checkPriForTag(p_format, tag, ANDROID_LOG_DEBUG));
EXPECT_TRUE(android_log_addFilterString(p_format, "*:s random:z") < 0);
#if 0 // bitrot, seek update
char defaultBuffer[512];
android_log_formatLogLine(p_format,
defaultBuffer, sizeof(defaultBuffer), 0, ANDROID_LOG_ERROR, 123,
123, 123, tag, "nofile", strlen("Hello"), "Hello", NULL);
fprintf(stderr, "%s\n", defaultBuffer);
#endif
android_log_format_free(p_format);
}
