server: Change instructions to use xochitl & set process name to rm2f…

…b-server

See #56 and toltec-dev/toltec#325 for context.

README.md

@@ -40,7 +40,7 @@ build `src/server/librm2fb_server.so.1.0.1`.  Copy it to your
 remarkable and run:
 
 ```
-LD_PRELOAD=/path/to/librm2fb_server.so.1.0.1 /usr/bin/remarkable-shutdown
+LD_PRELOAD=/path/to/librm2fb_server.so.1.0.1 /usr/bin/xochitl
 ```
 
 ### Framebuffer Client Shim

scripts/run.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 systemctl stop xochitl
-LD_PRELOAD=${DIR}/librm2fb_server.so.1.0.0 `which remarkable-shutdown` &
+LD_PRELOAD=${DIR}/librm2fb_server.so.1.0.0 `which xochitl` &
 pid=$!
 sleep 2
 LD_PRELOAD=${DIR}/librm2fb_client.so.1.0.0 $*

src/server/main.cpp

@@ -173,6 +173,10 @@ int __libc_start_main(int (*_main)(int, char **, char **), int argc,
   swtfb::SDK_BIN = argv[0];
   fprintf(stderr, "BIN FILE: %s\n", argv[0]);
 
+  size_t argv0_len = strlen(argv[0]);
+  strncpy(argv[0], "rm2fb-server", argv0_len);
+  argv[0][argv0_len] = 0;
+
   return func_main(server_main, argc, argv, init, fini, rtld_fini, stack_end);
 };
 };

src/server/test.sh

@@ -1 +1 @@
-make && scp librm2fb.so.1.0.0  rm: && ssh -tt rm "LD_PRELOAD=/home/root/librm2fb.so.1.0.0 ./remarkable-shutdown"
+make && scp librm2fb.so.1.0.0  rm: && ssh -tt rm "LD_PRELOAD=/home/root/librm2fb.so.1.0.0 /usr/bin/xochitl"

src/shared/swtfb.cpp

@@ -17,7 +17,7 @@ using namespace std;
 
 namespace swtfb {
 
-string SDK_BIN = "/usr/bin/remarkable-shutdown";
+string SDK_BIN = "/usr/bin/xochitl";
 // todo: make it singleton
 class SwtFB {
   const int maxWidth = 1404;