Module: sip-router
Branch: 3.1
Commit: d173cc2dab95dba6ededdaa352bf1e2bde1faa0f
URL:    
http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=d173cc2dab95dba6ededdaa352bf1e2bde1faa0f

Author: Daniel-Constantin Mierla <[email protected]>
Committer: Daniel-Constantin Mierla <[email protected]>
Date:   Wed Dec  1 23:30:34 2010 +0100

srdb1: keep PID per DB connection

- print warning when PID mismatches - it is cross-process shared DB
  connection
- initial patch by Robert Verspuy
(cherry picked from commit f138cce2c0968872f26538983e06a128a1b41344)

---

 lib/srdb1/db_id.c |    6 ++++++
 lib/srdb1/db_id.h |    1 +
 2 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/lib/srdb1/db_id.c b/lib/srdb1/db_id.c
index d55c586..c8db30f 100644
--- a/lib/srdb1/db_id.c
+++ b/lib/srdb1/db_id.c
@@ -30,6 +30,7 @@
 #include "db_id.h"
 #include "../../dprint.h"
 #include "../../mem/mem.h"
+#include "../../pt.h"
 #include "../../ut.h"
 #include <stdlib.h>
 #include <string.h>
@@ -241,6 +242,7 @@ struct db_id* new_db_id(const str* url)
                LM_ERR("error while parsing database URL: '%.*s' \n", url->len, 
url->s);
                goto err;
        }
+       ptr->pid = my_pid();
 
        return ptr;
 
@@ -274,6 +276,10 @@ unsigned char cmp_db_id(const struct db_id* id1, const 
struct db_id* id2)
        }
        if (strcasecmp(id1->host, id2->host)) return 0;
        if (strcmp(id1->database, id2->database)) return 0;
+       if(id1->pid!=id2->pid) {
+               LM_WARN("identical DB URLs, but different DB connection pid\n");
+               return 0;
+       }
        return 1;
 }
 
diff --git a/lib/srdb1/db_id.h b/lib/srdb1/db_id.h
index 025855f..20ab846 100644
--- a/lib/srdb1/db_id.h
+++ b/lib/srdb1/db_id.h
@@ -40,6 +40,7 @@ struct db_id {
        char* host;          /**< Host or IP, case insensitive */
        unsigned short port; /**< Port number */
        char* database;      /**< Database, case sensitive */
+       int   pid;           /**< Process ID (detect cross connections) */
 };
 
 


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