commit 5ab0788207279d5711d15df31689719cf71442e1
author Mark Salyzyn <salyzyn@google.com> Tue Mar 28 09:49:53 2017 -0700
committer Mark Salyzyn <salyzyn@google.com> Fri Mar 31 13:10:18 2017 -0700
tree 0005380812ed6ee2ef84e3a142bb393b09a22cc4
parent bed00b7df9677d4c449659ad7fc9bb671dcf981d

liblog: Speed up and extend the radio log redirect code

This code was supposed to be deprecated in time.  Let's make it more
efficient and add QC_RIL prefix to the list of catches to redirect
from the main logs to the radio logs.

Test: gTest liblog-unit-tests
Change-Id: I38b371b25da472ec77cbde4affeebf2eafcf6155

liblog/logger_write.c

diff --git a/liblog/logger_write.c b/liblog/logger_write.c
index d322c0f..84feb20 100644
--- a/liblog/logger_write.c
+++ b/liblog/logger_write.c
@@ -410,16 +410,46 @@
   if (!tag) tag = "";
 
   /* XXX: This needs to go! */
-  if ((bufID != LOG_ID_RADIO) &&
-      (!strcmp(tag, "HTC_RIL") ||
-       !strncmp(tag, "RIL", 3) || /* Any log tag with "RIL" as the prefix */
-       !strncmp(tag, "IMS", 3) || /* Any log tag with "IMS" as the prefix */
-       !strcmp(tag, "AT") || !strcmp(tag, "GSM") || !strcmp(tag, "STK") ||
-       !strcmp(tag, "CDMA") || !strcmp(tag, "PHONE") || !strcmp(tag, "SMS"))) {
-    bufID = LOG_ID_RADIO;
-    /* Inform third party apps/ril/radio.. to use Rlog or RLOG */
-    snprintf(tmp_tag, sizeof(tmp_tag), "use-Rlog/RLOG-%s", tag);
-    tag = tmp_tag;
+  if (bufID != LOG_ID_RADIO) {
+    switch (tag[0]) {
+      case 'H':
+        if (strcmp(tag + 1, "HTC_RIL" + 1)) break;
+        goto inform;
+      case 'R':
+        /* Any log tag with "RIL" as the prefix */
+        if (strncmp(tag + 1, "RIL" + 1, strlen("RIL") - 1)) break;
+        goto inform;
+      case 'Q':
+        /* Any log tag with "QC_RIL" as the prefix */
+        if (strncmp(tag + 1, "QC_RIL" + 1, strlen("QC_RIL") - 1)) break;
+        goto inform;
+      case 'I':
+        /* Any log tag with "IMS" as the prefix */
+        if (strncmp(tag + 1, "IMS" + 1, strlen("IMS") - 1)) break;
+        goto inform;
+      case 'A':
+        if (strcmp(tag + 1, "AT" + 1)) break;
+        goto inform;
+      case 'G':
+        if (strcmp(tag + 1, "GSM" + 1)) break;
+        goto inform;
+      case 'S':
+        if (strcmp(tag + 1, "STK" + 1) && strcmp(tag + 1, "SMS" + 1)) break;
+        goto inform;
+      case 'C':
+        if (strcmp(tag + 1, "CDMA" + 1)) break;
+        goto inform;
+      case 'P':
+        if (strcmp(tag + 1, "PHONE" + 1)) break;
+      /* FALLTHRU */
+      inform:
+        bufID = LOG_ID_RADIO;
+        snprintf(tmp_tag, sizeof(tmp_tag), "use-Rlog/RLOG-%s", tag);
+        tag = tmp_tag;
+      /* FALLTHRU */
+      default:
+        break;
+    }
   }
 
 #if __BIONIC__