liblog: logprint add uid format modifier
Bug: 25996918
Change-Id: Idff5e080fc5c7b69e0c45d3f596eb9d632451cbd
diff --git a/include/log/logprint.h b/include/log/logprint.h
index 204b3f2..539d1dc 100644
--- a/include/log/logprint.h
+++ b/include/log/logprint.h
@@ -44,6 +44,7 @@
FORMAT_MODIFIER_ZONE, /* Adds zone to date */
FORMAT_MODIFIER_EPOCH, /* Print time as seconds since Jan 1 1970 */
FORMAT_MODIFIER_MONOTONIC, /* Print cpu time as seconds since start */
+ FORMAT_MODIFIER_UID, /* Adds uid */
} AndroidLogPrintFormat;
typedef struct AndroidLogFormat_t AndroidLogFormat;
@@ -52,6 +53,7 @@
time_t tv_sec;
long tv_nsec;
android_LogPriority priority;
+ int32_t uid;
int32_t pid;
int32_t tid;
const char * tag;
diff --git a/liblog/logprint.c b/liblog/logprint.c
index 40e13f4..b745cf6 100644
--- a/liblog/logprint.c
+++ b/liblog/logprint.c
@@ -56,6 +56,7 @@
bool zone_output;
bool epoch_output;
bool monotonic_output;
+ bool uid_output;
};
/*
@@ -204,6 +205,7 @@
p_ret->zone_output = false;
p_ret->epoch_output = false;
p_ret->monotonic_output = android_log_clockid() == CLOCK_MONOTONIC;
+ p_ret->uid_output = false;
return p_ret;
}
@@ -258,6 +260,9 @@
case FORMAT_MODIFIER_MONOTONIC:
p_format->monotonic_output = true;
return 0;
+ case FORMAT_MODIFIER_UID:
+ p_format->uid_output = true;
+ return 0;
default:
break;
}
@@ -290,6 +295,7 @@
else if (strcmp(formatString, "zone") == 0) format = FORMAT_MODIFIER_ZONE;
else if (strcmp(formatString, "epoch") == 0) format = FORMAT_MODIFIER_EPOCH;
else if (strcmp(formatString, "monotonic") == 0) format = FORMAT_MODIFIER_MONOTONIC;
+ else if (strcmp(formatString, "uid") == 0) format = FORMAT_MODIFIER_UID;
else {
extern char *tzname[2];
static const char gmt[] = "GMT";
@@ -451,6 +457,7 @@
{
entry->tv_sec = buf->sec;
entry->tv_nsec = buf->nsec;
+ entry->uid = -1;
entry->pid = buf->pid;
entry->tid = buf->tid;
@@ -482,6 +489,9 @@
struct logger_entry_v2 *buf2 = (struct logger_entry_v2 *)buf;
if (buf2->hdr_size) {
msg = ((char *)buf2) + buf2->hdr_size;
+ if (buf2->hdr_size >= sizeof(struct logger_entry_v4)) {
+ entry->uid = ((struct logger_entry_v4 *)buf)->uid;
+ }
}
for (i = 1; i < buf->len; i++) {
if (msg[i] == '\0') {
@@ -734,6 +744,7 @@
entry->tv_sec = buf->sec;
entry->tv_nsec = buf->nsec;
entry->priority = ANDROID_LOG_INFO;
+ entry->uid = -1;
entry->pid = buf->pid;
entry->tid = buf->tid;
@@ -744,6 +755,9 @@
struct logger_entry_v2 *buf2 = (struct logger_entry_v2 *)buf;
if (buf2->hdr_size) {
eventData = ((unsigned char *)buf2) + buf2->hdr_size;
+ if (buf2->hdr_size >= sizeof(struct logger_entry_v4)) {
+ entry->uid = ((struct logger_entry_v4 *)buf)->uid;
+ }
}
inCount = buf->len;
if (inCount < 4)
@@ -1238,7 +1252,7 @@
char prefixBuf[128], suffixBuf[128];
char priChar;
int prefixSuffixIsHeaderFooter = 0;
- char *ret = NULL;
+ char *ret;
time_t now;
unsigned long nsec;
@@ -1310,6 +1324,16 @@
suffixLen = MIN(suffixLen, sizeof(suffixBuf));
}
+ char uid[16];
+ uid[0] = '\0';
+ if (p_format->uid_output) {
+ if (entry->uid >= 0) {
+ snprintf(uid, sizeof(uid), "%5d:", entry->uid);
+ } else {
+ snprintf(uid, sizeof(uid), " ");
+ }
+ }
+
switch (p_format->format) {
case FORMAT_TAG:
len = snprintf(prefixBuf + prefixLen, sizeof(prefixBuf) - prefixLen,
@@ -1322,11 +1346,11 @@
" (%s)\n", entry->tag);
suffixLen += MIN(len, sizeof(suffixBuf) - suffixLen);
len = snprintf(prefixBuf + prefixLen, sizeof(prefixBuf) - prefixLen,
- "%c(%5d) ", priChar, entry->pid);
+ "%c(%s%5d) ", priChar, uid, entry->pid);
break;
case FORMAT_THREAD:
len = snprintf(prefixBuf + prefixLen, sizeof(prefixBuf) - prefixLen,
- "%c(%5d:%5d) ", priChar, entry->pid, entry->tid);
+ "%c(%s%5d:%5d) ", priChar, uid, entry->pid, entry->tid);
strcpy(suffixBuf + suffixLen, "\n");
++suffixLen;
break;
@@ -1338,21 +1362,26 @@
break;
case FORMAT_TIME:
len = snprintf(prefixBuf + prefixLen, sizeof(prefixBuf) - prefixLen,
- "%s %c/%-8s(%5d): ", timeBuf, priChar, entry->tag, entry->pid);
+ "%s %c/%-8s(%s%5d): ", timeBuf, priChar, entry->tag,
+ uid, entry->pid);
strcpy(suffixBuf + suffixLen, "\n");
++suffixLen;
break;
case FORMAT_THREADTIME:
+ ret = strchr(uid, ':');
+ if (ret) {
+ *ret = ' ';
+ }
len = snprintf(prefixBuf + prefixLen, sizeof(prefixBuf) - prefixLen,
- "%s %5d %5d %c %-8s: ", timeBuf,
- entry->pid, entry->tid, priChar, entry->tag);
+ "%s %s%5d %5d %c %-8s: ", timeBuf,
+ uid, entry->pid, entry->tid, priChar, entry->tag);
strcpy(suffixBuf + suffixLen, "\n");
++suffixLen;
break;
case FORMAT_LONG:
len = snprintf(prefixBuf + prefixLen, sizeof(prefixBuf) - prefixLen,
- "[ %s %5d:%5d %c/%-8s ]\n",
- timeBuf, entry->pid, entry->tid, priChar, entry->tag);
+ "[ %s %s%5d:%5d %c/%-8s ]\n",
+ timeBuf, uid, entry->pid, entry->tid, priChar, entry->tag);
strcpy(suffixBuf + suffixLen, "\n\n");
suffixLen += 2;
prefixSuffixIsHeaderFooter = 1;
@@ -1360,7 +1389,7 @@
case FORMAT_BRIEF:
default:
len = snprintf(prefixBuf + prefixLen, sizeof(prefixBuf) - prefixLen,
- "%c/%-8s(%5d): ", priChar, entry->tag, entry->pid);
+ "%c/%-8s(%s%5d): ", priChar, entry->tag, uid, entry->pid);
strcpy(suffixBuf + suffixLen, "\n");
++suffixLen;
break;
diff --git a/logcat/logcat.cpp b/logcat/logcat.cpp
index 059916e..32bfd9c 100644
--- a/logcat/logcat.cpp
+++ b/logcat/logcat.cpp
@@ -265,7 +265,7 @@
" -v <format> Sets the log print format, where <format> is:\n"
" --format=<format>\n"
" brief color epoch long monotonic printable process raw\n"
- " tag thread threadtime time usec UTC year zone\n\n"
+ " tag thread threadtime time uid usec UTC year zone\n\n"
" -D print dividers between each log buffer\n"
" --dividers\n"
" -c clear (flush) the entire log and exit\n"