From 7738de6f011821e26d0e9b6a24caccaca8a300fe Mon Sep 17 00:00:00 2001
From: onefang
Date: Sat, 4 Jun 2022 09:47:44 +1000
Subject: Add a web option to sledjchisl, to start the web stuff.

---
 src/sledjchisl/sledjchisl.c | 36 +++++++++++++++++++++++++++++-------
 1 file changed, 29 insertions(+), 7 deletions(-)

diff --git a/src/sledjchisl/sledjchisl.c b/src/sledjchisl/sledjchisl.c
index 3a99afa..317d079 100644
--- a/src/sledjchisl/sledjchisl.c
+++ b/src/sledjchisl/sledjchisl.c
@@ -65,6 +65,8 @@ config SLEDJCHISL
       stop "Welcome sim"
         Stop a sim, or everything.
         -a when stopping everything will close down all tmux windows and panes.
+      web
+        Only start the web server part.
       build
         Rebuild everything.
       test
@@ -167,10 +169,11 @@ typedef enum
     RESTART	= 3,
     STATUS	= 4,
     BUILD	= 5,
-    TEST	= 6,
-    UNGITAR	= 7,
-    UPDATE	= 8,
-    STOP	= 9
+    WEB		= 6,
+    TEST	= 7,
+    UNGITAR	= 8,
+    UPDATE	= 9,
+    STOP	= 10
 } modes;
 
 modes currentMode = START;
@@ -183,6 +186,7 @@ char *modeStrings[] =
   "restart",
   "status",
   "build",
+  "web",
   "test",
   "ungitAR",
   "update",
@@ -2866,6 +2870,7 @@ byTab has the short name as the key, simData as the value.
     }
 
     case BUILD :
+    case WEB :
     {
       // Done elsewhere.
       break;
@@ -8594,6 +8599,8 @@ void sledjchisl_main(void)
       currentMode = STATUS;
     else if (strcmp(toys.optargs[0], "build") == 0)
       currentMode = BUILD;
+    else if (strcmp(toys.optargs[0], "web") == 0)
+      currentMode = WEB;
     else if (strcmp(toys.optargs[0], "test") == 0)
       currentMode = TEST;
     else if (strcmp(toys.optargs[0], "ungitar") == 0)
@@ -8888,7 +8895,7 @@ Copy correct config/config.ini to there.
       V("Not running inside the proper tmux server. %s == %s", eTMUX, toybuf);
   }
 
-  if (!isTmux)
+  if ((!isTmux) && (WEB != currentMode))
   {	// Let's see if the proper tmux server is even running.
     i = shellMe("%s %s/%s -q list-sessions 2>/dev/null | grep -q %s:", Tcmd, scRun, Tsocket, Tconsole);
     if (WIFEXITED(i))
@@ -8928,7 +8935,7 @@ Copy correct config/config.ini to there.
 	    // Make the FCGI socket world read / write, coz we can't set it to group www-data, since -G only works for root, and we ain't root.
 	    // TODO - BIG SECURITY HOLE???
 	    "bash -c 'export PATH=%s:$PATH; printf \"\\033]0;FCGI web server\\007\"; sleep 2;"  // The sleep is so that both are not creating the .shini files at the same time.
-	    "spawn-fcgi -n -u %s -s %s/%s -M 0666 -G www-data  -- /usr/bin/valgrind --leak-check=full %s/current/bin/sledjchisl %s; "
+	    "/usr/bin/valgrind --leak-check=full %s/current/bin/sledjchisl web %s;"
 	    "cd %s; bash'"
 	    ,
 	    pre, Tcmd, scRun, Tsocket, scBin,
@@ -8938,7 +8945,7 @@ Copy correct config/config.ini to there.
 	    Tconsole,
 	    Tconsole,
 	    scBin,
-	    scUser, scRun, webSocket, scRoot, FLAG(v) ? "-v" : "",
+	    scRoot, FLAG(v) ? "-v" : "",
 	    scRoot
 	    );
 	free(pre);
@@ -8961,6 +8968,21 @@ Copy correct config/config.ini to there.
       E("tmux list-sessions command failed!  %s", toybuf);
   }
 
+// TODO - doesn't solve the "rebuild sledjchisl, replace sledjchisl, restart web server" problem, coz there's still two sledjchisl running, the one that started the tmux, and the one running the tmux.
+//		But the simple solution of just running things in the background didn't help.
+//		So spend more time fixing all of that.  Later.  Need around tuit.
+  if ((!isWeb) && (WEB == currentMode))
+  {
+    C("Spawning web server via spawn-fcgi");
+    snprintf(toybuf, sizeof(toybuf),
+	"spawn-fcgi -n -u %s -s %s/%s -M 0666 -G www-data  -- /usr/bin/valgrind --leak-check=full %s/current/bin/sledjchisl %s",
+	scUser, scRun, webSocket, scRoot, FLAG(v) ? "-v" : ""
+    );
+    if (shellMeFail(toybuf))
+      E("spawn-fcgi command failed!  %s", toybuf);
+    goto finished;
+  }
+
   if ((!isWeb) && ((BUILD == currentMode) || (START == currentMode)))
   {
 ////////////////////////////////////////////////////////////////////////////////////////////////////
-- 
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