Simplify emulator-specific logic.

Remove any qemu-specific code from rild.c, this now handled
by setting rild.libpath properly in the init.<board>.rc files
for emulator-specific build products.

Also, only the qemu pipe method is really supported since ICS
so remove obsolete schemes.

BUG=25875346

Change-Id: I82296c127b90c230ca1446ee2431f06e78def617

1 files changed, 1 insertions, 109 deletions

diff --git a/rild/rild.c b/rild/rild.c
index 8d02715..3717deb 100644
--- a/rild/rild.c
+++ b/rild/rild.c
@@ -36,7 +36,6 @@
 #include <libril/ril_ex.h>
 
 #include <private/android_filesystem_config.h>
-#include <system/qemu_pipe.h>
 
 #define LIB_PATH_PROPERTY   "rild.libpath"
 #define LIB_ARGS_PROPERTY   "rild.libargs"
@@ -142,7 +141,7 @@ int main(int argc, char **argv) {
     void *dlHandle;
     const RIL_RadioFunctions *(*rilInit)(const struct RIL_Env *, int, char **);
     const RIL_RadioFunctions *(*rilUimInit)(const struct RIL_Env *, int, char **);
-    char *err_str = NULL;
+    const char *err_str = NULL;
 
     const RIL_RadioFunctions *funcs;
     char libPath[PROPERTY_VALUE_MAX];
@@ -190,113 +189,6 @@ int main(int argc, char **argv) {
         }
     }
 
-    /* special override when in the emulator */
-#if 1
-    {
-        static char*  arg_overrides[5];
-        static char   arg_device[32];
-        int           done = 0;
-
-#define  REFERENCE_RIL_PATH  "libreference-ril.so"
-
-        /* first, read /proc/cmdline into memory */
-        char          buffer[1024], *p, *q;
-        int           len;
-        int           fd = open("/proc/cmdline",O_RDONLY);
-
-        if (fd < 0) {
-            RLOGD("could not open /proc/cmdline:%s", strerror(errno));
-            goto OpenLib;
-        }
-
-        do {
-            len = read(fd,buffer,sizeof(buffer)); }
-        while (len == -1 && errno == EINTR);
-
-        if (len < 0) {
-            RLOGD("could not read /proc/cmdline:%s", strerror(errno));
-            close(fd);
-            goto OpenLib;
-        }
-        close(fd);
-
-        if (strstr(buffer, "android.qemud=") != NULL)
-        {
-            /* the qemud daemon is launched after rild, so
-            * give it some time to create its GSM socket
-            */
-            int  tries = 5;
-#define  QEMUD_SOCKET_NAME    "qemud"
-
-            while (1) {
-                int  fd;
-
-                sleep(1);
-
-                fd = qemu_pipe_open("pipe:qemud:gsm");
-                if (fd < 0) {
-                    fd = socket_local_client(
-                                QEMUD_SOCKET_NAME,
-                                ANDROID_SOCKET_NAMESPACE_RESERVED,
-                                SOCK_STREAM );
-                }
-                if (fd >= 0) {
-                    close(fd);
-                    snprintf( arg_device, sizeof(arg_device), "%s/%s",
-                                ANDROID_SOCKET_DIR, QEMUD_SOCKET_NAME );
-
-                    arg_overrides[1] = "-s";
-                    arg_overrides[2] = arg_device;
-                    done = 1;
-                    break;
-                }
-                RLOGD("could not connect to %s socket: %s",
-                    QEMUD_SOCKET_NAME, strerror(errno));
-                if (--tries == 0)
-                    break;
-            }
-            if (!done) {
-                RLOGE("could not connect to %s socket (giving up): %s",
-                    QEMUD_SOCKET_NAME, strerror(errno));
-                while(1)
-                    sleep(0x00ffffff);
-            }
-        }
-
-        /* otherwise, try to see if we passed a device name from the kernel */
-        if (!done) do {
-#define  KERNEL_OPTION  "android.ril="
-#define  DEV_PREFIX     "/dev/"
-
-            p = strstr( buffer, KERNEL_OPTION );
-            if (p == NULL)
-                break;
-
-            p += sizeof(KERNEL_OPTION)-1;
-            q  = strpbrk( p, " \t\n\r" );
-            if (q != NULL)
-                *q = 0;
-
-            snprintf( arg_device, sizeof(arg_device), DEV_PREFIX "%s", p );
-            arg_device[sizeof(arg_device)-1] = 0;
-            arg_overrides[1] = "-d";
-            arg_overrides[2] = arg_device;
-            done = 1;
-
-        } while (0);
-
-        if (done) {
-            argv = arg_overrides;
-            argc = 3;
-            i    = 1;
-            hasLibArgs = 1;
-            rilLibPath = REFERENCE_RIL_PATH;
-
-            RLOGD("overriding with %s %s", arg_overrides[1], arg_overrides[2]);
-        }
-    }
-OpenLib:
-#endif
     switchUser();
 
     dlHandle = dlopen(rilLibPath, RTLD_NOW);