From f23dfb66b9c1cf97dd03e788e86d5ec69733fc11 Mon Sep 17 00:00:00 2001
From: bagyenda <>
Date: Wed, 4 Aug 2010 10:02:46 +0000
Subject: [PATCH] *** empty log message ***

---
 mbuni/ChangeLog                      |  2 ++
 mbuni/extras/mmsbox-mm1/mmsbox_mm1.c | 39 ++++++++++++++++++++++++----
 2 files changed, 36 insertions(+), 5 deletions(-)

diff --git a/mbuni/ChangeLog b/mbuni/ChangeLog
index e174619..eb56af2 100644
--- a/mbuni/ChangeLog
+++ b/mbuni/ChangeLog
@@ -1,3 +1,5 @@
+2010-08-04 P. A. Bagyenda <bagyenda@dsmagic.com>
+	* Fixed mmsbox-mm1 hangs under load, thanks to Piotr Isajew <pki at ex.com.pl>
 2010-07-02 P. A. Bagyenda <bagyenda@dsmagic.com>
 	* Fixed crash due to octstr_delete on immutable string in mm7 receiver
 2010-05-26 P. A. Bagyenda <bagyenda@dsmagic.com>
diff --git a/mbuni/extras/mmsbox-mm1/mmsbox_mm1.c b/mbuni/extras/mmsbox-mm1/mmsbox_mm1.c
index 8213045..c7f0c87 100644
--- a/mbuni/extras/mmsbox-mm1/mmsbox_mm1.c
+++ b/mbuni/extras/mmsbox-mm1/mmsbox_mm1.c
@@ -359,7 +359,7 @@ static void handle_mm1(MM1Settings *mm1)
 {
      /* stop smsc, start GPRS, transact, stop GPRS, start SMSC. And so on. */
      MM1Request *r;
-     
+
      mms_info(0, "mmsbox-mm1", NULL, "handle_mm1 started");
      mm1->sender_alive++;
      while ((r = gwlist_consume(mm1->requests)) != NULL) {
@@ -512,10 +512,28 @@ static void handle_mm1(MM1Settings *mm1)
 	       octstr_destroy(body);
 	       octstr_destroy(ms);
 	       mms_destroy(m);
-	  } while (gwlist_len(mm1->requests) > 0 && 
+	       r = NULL;
+	       pid_t wp;
+	       int st;
+	       wp = waitpid(pid, &st, WNOHANG);
+	       if(wp == pid && WIFEXITED(st)) {
+		 mms_info(0, "mmsbox-mm1", NULL, "GPRS pid (%d) appears to be dead - quitting loop", pid);
+		 goto after_gprs_dead;
+	       }
+	  } while (gwlist_len(mm1->requests) > 0 &&
 		   (r = gwlist_consume(mm1->requests)) != NULL);
 	  
      kill_gprs:
+	  if(r != NULL) {
+	    if(r->waiter_exists) {
+	      pthread_mutex_unlock(&r->mutex);
+	      pthread_cond_signal(&r->cond);
+	    } else{
+	      gw_free(r);
+	    }
+	    
+	    
+	  }
 	  if (pid > 0) { /* stop GPRS, restart SMSC connection. */
 	       int xkill, status;
 	       pid_t wpid;
@@ -532,7 +550,7 @@ static void handle_mm1(MM1Settings *mm1)
 	       } while (1);
 	       gwthread_sleep(2);
 	  }
-
+     after_gprs_dead:
 	  if (mm1->smsc_on) {
 	       system(octstr_get_cstr(mm1->smsc_on));
 	       gwthread_sleep(5);
@@ -610,10 +628,13 @@ static Octstr *fetch_content(Octstr *url, Octstr *proxy, Octstr *body, int *hsta
      curl_easy_setopt(cl, CURLOPT_WRITEFUNCTION, write_octstr_data);
      curl_easy_setopt(cl, CURLOPT_WRITEDATA, s);
      curl_easy_setopt(cl, CURLOPT_NOSIGNAL, 1L);
+     curl_easy_setopt(cl, CURLOPT_TIMEOUT, 120L);
+     curl_easy_setopt(cl, CURLOPT_FORBID_REUSE, 1L);
+     curl_easy_setopt(cl, CURLOPT_CONNECTTIMEOUT, 40L);
 
      h = curl_slist_append(h, "Accept: */*");
      if (body) { /* POST. */
-	  h = curl_slist_append(h, "Content-Type: application/vnd.wap.mms-message");	  
+	  h = curl_slist_append(h, "Content-Type: application/vnd.wap.mms-message");
 	  curl_easy_setopt(cl, CURLOPT_POSTFIELDS, octstr_get_cstr(body));
 	  curl_easy_setopt(cl, CURLOPT_POSTFIELDSIZE, octstr_len(body));
      }
@@ -635,7 +656,7 @@ static Octstr *fetch_content(Octstr *url, Octstr *proxy, Octstr *body, int *hsta
 
 #include <unistd.h>
 
-#define MAX_GPRS_WAIT 60
+#define MAX_GPRS_WAIT 80
 #define GPRS_POLL  5
 static long start_gprs(Octstr *cmd, Octstr *pid_cmd)
 {
@@ -661,6 +682,14 @@ static long start_gprs(Octstr *cmd, Octstr *pid_cmd)
 		   WIFEXITED(status))
 		 return -1;
 	  } while (GPRS_POLL*ct++ < MAX_GPRS_WAIT);
+	  /* Timed out, but still need to wait for child pid, as
+	  start-gprs script is still running and we don't need a
+	  zombie */
+	  pid_t rpid;
+	  int st;
+	 
+	  rpid = waitpid(pid, &st, 0);
+	  mms_info(0, "mmsbox-mm1", NULL, "pid %d terminated", pid);
 	  return -1;
     } else if (pid == 0) { /* child. */
 	  List *l = octstr_split_words(cmd);