Changeset 1739 for pjproject/trunk/pjmedia/src/pjmedia/transport_srtp.c

Timestamp:

Jan 24, 2008 3:29:50 PM (16 years ago)

Author:

bennylp

Message:

More ticket #61: fix potential error when looking up SRTP error string, and improve logging information in SRTP transport

File:

• pjproject/trunk/pjmedia/src/pjmedia/transport_srtp.c (modified) (9 diffs)

pjproject/trunk/pjmedia/src/pjmedia/transport_srtp.c

@@ -215 +215 @@
         "error while using pfkey"           /* err_status_pfkey_err     = 24 */
     };
-    return liberr[err];
+    if (err >= 0 && err < PJ_ARRAY_SIZE(liberr)) {
+        return liberr[err];
+    } else {
+        static char msg[32];
+        pj_ansi_snprintf(msg, sizeof(msg), "Unknown libsrtp error %d", err);
+        return msg;
+    }
 #else
-    return NULL;
+    static char msg[32];
+    pj_ansi_snprintf(msg, sizeof(msg), "libsrtp error %d", err);
+    return msg;
 #endif
 }
@@ -229 +237 @@
         err = srtp_init();
         if (err != err_status_ok) { 
-            PJ_LOG(4, (THIS_FILE, "Failed to init libsrtp."));
+            PJ_LOG(4, (THIS_FILE, "Failed to initialize libsrtp: %s", 
+                       get_libsrtp_errstr(err)));
             return PJMEDIA_ERRNO_FROM_LIBSRTP(err);
         }
@@ -381 +390 @@
 
     if (srtp->session_inited) {
-        PJ_LOG(4, (THIS_FILE, "SRTP could not be re-init'd before deinit'd"));
+        PJ_LOG(4, (srtp->pool->obj_name, 
+                   "Error: unable to start (not initialized)"));
         return PJ_EINVALIDOP;
     }
@@ -484 +494 @@
     srtp->session_inited = PJ_TRUE;
 
-    PJ_LOG(5, (THIS_FILE, "TX: %s key=%s", srtp->tx_policy.name.ptr,
-            octet_string_hex_string(tx->key.ptr, tx->key.slen)));
+    PJ_LOG(5, (srtp->pool->obj_name, "TX: %s key=%s", srtp->tx_policy.name.ptr,
+               octet_string_hex_string(tx->key.ptr, tx->key.slen)));
     if (srtp->tx_policy.flags) {
-        PJ_LOG(5, (THIS_FILE, "TX: disable%s%s", (cr_tx_idx?"":" enc"),
-                                                 (au_tx_idx?"":" auth")));
-    }
-
-    PJ_LOG(5, (THIS_FILE, "RX: %s key=%s", srtp->rx_policy.name.ptr,
-            octet_string_hex_string(rx->key.ptr, rx->key.slen)));
+        PJ_LOG(5,(srtp->pool->obj_name,"TX: disable%s%s", (cr_tx_idx?"":" enc"),
+                  (au_tx_idx?"":" auth")));
+    }
+
+    PJ_LOG(5, (srtp->pool->obj_name, "RX: %s key=%s", srtp->rx_policy.name.ptr,
+               octet_string_hex_string(rx->key.ptr, rx->key.slen)));
     if (srtp->rx_policy.flags) {
-        PJ_LOG(5, (THIS_FILE, "RX: disable%s%s", (cr_rx_idx?"":" enc"),
-                                                 (au_rx_idx?"":" auth")));
+        PJ_LOG(5,(srtp->pool->obj_name,"RX: disable%s%s", (cr_rx_idx?"":" enc"),
+                  (au_rx_idx?"":" auth")));
     }
 
@@ -514 +524 @@
     err = srtp_dealloc(p_srtp->srtp_rx_ctx);
     if (err != err_status_ok) {
-        PJ_LOG(4, (THIS_FILE, "Failed to dealloc RX SRTP context"));
+        PJ_LOG(4, (p_srtp->pool->obj_name, 
+                   "Failed to dealloc RX SRTP context: %s",
+                   get_libsrtp_errstr(err)));
     }
     err = srtp_dealloc(p_srtp->srtp_tx_ctx);
     if (err != err_status_ok) {
-        PJ_LOG(4, (THIS_FILE, "Failed to dealloc TX SRTP context"));
+        PJ_LOG(4, (p_srtp->pool->obj_name, 
+                   "Failed to dealloc TX SRTP context: %s",
+                   get_libsrtp_errstr(err)));
     }
 
@@ -714 +728 @@
         srtp->rtp_cb(srtp->user_data, srtp->rx_buffer, len);
     } else {
-        PJ_LOG(5, (THIS_FILE, "Failed to unprotect SRTP size=%d, err=%d", 
-                   size, err));
+        PJ_LOG(5,(srtp->pool->obj_name, 
+                  "Failed to unprotect SRTP, pkt size=%d, err=%s", 
+                  size, get_libsrtp_errstr(err)));
     }
 
@@ -747 +762 @@
         srtp->rtcp_cb(srtp->user_data, srtp->rx_buffer, len);
     } else {
-        PJ_LOG(5, (THIS_FILE, "Failed to unprotect SRTCP size=%d, err=%d",
-                   size, err));
+        PJ_LOG(5,(srtp->pool->obj_name, 
+                  "Failed to unprotect SRTCP, pkt size=%d, err=%s",
+                  size, get_libsrtp_errstr(err)));
     }
     
@@ -793 +809 @@
                                      crypto_suites[cs_idx].cipher_key_len);
             if (err != err_status_ok) {
-                PJ_LOG(5,(THIS_FILE, "Failed generating random key"));
+                PJ_LOG(5,(THIS_FILE, "Failed generating random key: %s",
+                          get_libsrtp_errstr(err)));
                 return PJMEDIA_ERRNO_FROM_LIBSRTP(err);
             }
@@ -1244 +1261 @@
     status = pjmedia_transport_media_stop(srtp->real_tp);
     if (status != PJ_SUCCESS)
-        PJ_LOG(4, (THIS_FILE, "SRTP failed stop underlying media transport."));
+        PJ_LOG(4, (srtp->pool->obj_name, 
+                   "SRTP failed stop underlying media transport."));
 
     return pjmedia_transport_srtp_stop(tp);