X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Ferror.cc;h=96a5532bbc606883bef2bffdb542789f02a52cf9;hb=d4758957f0b472a5f247004862fef55f58edcc8f;hp=becffd23014b3a10256fa61672f905def9587ab3;hpb=9169cee9ec0f231b3117a0d5a7840d2067f29610;p=m6w6%2Flibmemcached

diff --git a/libmemcached/error.cc b/libmemcached/error.cc
index becffd23..96a5532b 100644
--- a/libmemcached/error.cc
+++ b/libmemcached/error.cc
@@ -52,7 +52,7 @@ struct memcached_error_t
 
 static void _set(memcached_server_st& server, memcached_st& memc)
 {
-  if (server.error_messages && server.error_messages->query_id != server.root->query_id)
+  if (server.error_messages and server.error_messages->query_id != server.root->query_id)
   {
     memcached_error_free(server);
   }
@@ -73,6 +73,10 @@ static void _set(memcached_server_st& server, memcached_st& memc)
   server.error_messages= error;
 }
 
+#if 0
+static int error_log_fd= -1;
+#endif
+
 static void _set(memcached_st& memc, memcached_string_t *str, memcached_return_t &rc, const char *at, int local_errno= 0)
 {
   if (memc.error_messages && memc.error_messages->query_id != memc.query_id)
@@ -141,37 +145,56 @@ static void _set(memcached_st& memc, memcached_string_t *str, memcached_return_t
 
   if (str and str->size and local_errno)
   {
-    error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "%s(%s), %.*s -> %s", 
+    error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%lu) %s(%s), %.*s -> %s", 
+                               long(error->root),
                                memcached_strerror(&memc, rc), 
                                errmsg_ptr,
                                memcached_string_printf(*str), at);
   }
   else if (local_errno)
   {
-    error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "%s(%s) -> %s", 
+    error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%lu) %s(%s) -> %s", 
+                               long(error->root),
                                memcached_strerror(&memc, rc), 
                                errmsg_ptr,
                                at);
   }
   else if (rc == MEMCACHED_PARSE_ERROR and str and str->size)
   {
-    error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "%.*s -> %s", 
+    error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%lu) %.*s -> %s", 
+                               long(error->root),
                                int(str->size), str->c_str, at);
   }
   else if (str and str->size)
   {
-    error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "%s, %.*s -> %s", 
+    error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%lu) %s, %.*s -> %s", 
+                               long(error->root),
                                memcached_strerror(&memc, rc), 
                                int(str->size), str->c_str, at);
   }
   else
   {
-    error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "%s -> %s", 
+    error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%lu) %s -> %s", 
+                               long(error->root),
                                memcached_strerror(&memc, rc), at);
   }
 
   error->next= memc.error_messages;
   memc.error_messages= error;
+
+#if 0
+  if (error_log_fd == -1)
+  {
+//    unlink("/tmp/libmemcachd.log");
+    if ((error_log_fd= open("/tmp/libmemcachd.log", O_CREAT | O_WRONLY | O_APPEND, 0644)) < 0)
+    {
+      perror("open");
+      error_log_fd= -1;
+    }
+  }
+  ::write(error_log_fd, error->message, error->size);
+  ::write(error_log_fd, "\n", 1);
+#endif
 }
 
 memcached_return_t memcached_set_error(memcached_st& memc, memcached_return_t rc, const char *at, const char *str, size_t length)
@@ -185,6 +208,7 @@ memcached_return_t memcached_set_error(memcached_server_st& self, memcached_retu
 {
   assert_msg(rc != MEMCACHED_ERRNO, "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
   assert_msg(rc != MEMCACHED_SOME_ERRORS, "Programmer error, MEMCACHED_SOME_ERRORS was about to be set on a memcached_server_st");
+
   memcached_string_t tmp= { str, length };
   return memcached_set_error(self, rc, at, tmp);
 }
@@ -192,7 +216,7 @@ memcached_return_t memcached_set_error(memcached_server_st& self, memcached_retu
 memcached_return_t memcached_set_error(memcached_st& memc, memcached_return_t rc, const char *at, memcached_string_t& str)
 {
   assert_msg(rc != MEMCACHED_ERRNO, "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
-  if (memcached_success(rc))
+  if (memcached_fatal(rc) == false)
   {
     return rc;
   }
@@ -216,29 +240,47 @@ memcached_return_t memcached_set_parser_error(memcached_st& memc,
   return memcached_set_error(memc, MEMCACHED_PARSE_ERROR, at, buffer, length);
 }
 
+static inline size_t append_host_to_string(memcached_server_st& self, char* buffer, const size_t buffer_length)
+{
+  size_t size= 0;
+  switch (self.type)
+  {
+  case MEMCACHED_CONNECTION_TCP:
+  case MEMCACHED_CONNECTION_UDP:
+    size+= snprintf(buffer, buffer_length, " host: %s:%d",
+                    self.hostname, int(self.port));
+    break;
+
+  case MEMCACHED_CONNECTION_UNIX_SOCKET:
+    size+= snprintf(buffer, buffer_length, " socket: %s",
+                    self.hostname);
+    break;
+  }
+
+  return size;
+}
+
 memcached_return_t memcached_set_error(memcached_server_st& self, memcached_return_t rc, const char *at, memcached_string_t& str)
 {
   assert_msg(rc != MEMCACHED_ERRNO, "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
   assert_msg(rc != MEMCACHED_SOME_ERRORS, "Programmer error, MEMCACHED_SOME_ERRORS was about to be set on a memcached_server_st");
-  if (memcached_success(rc))
+  if (memcached_fatal(rc) == false)
   {
     return rc;
   }
 
   char hostname_port_message[MAX_ERROR_LENGTH];
-  int size;
+  char* hostname_port_message_ptr= hostname_port_message;
+  int size= 0;
   if (str.size)
   {
-    size= snprintf(hostname_port_message, sizeof(hostname_port_message), "%.*s, host: %s:%d",
-                   memcached_string_printf(str),
-                   self.hostname, int(self.port));
-  }
-  else
-  {
-    size= snprintf(hostname_port_message, sizeof(hostname_port_message), "host: %s:%d",
-                   self.hostname, int(self.port));
+    size= snprintf(hostname_port_message_ptr, sizeof(hostname_port_message), "%.*s, ",
+                   memcached_string_printf(str));
+    hostname_port_message_ptr+= size;
   }
 
+  size+= append_host_to_string(self, hostname_port_message_ptr, sizeof(hostname_port_message) -size);
+
   memcached_string_t error_host= { hostname_port_message, size };
 
   assert(self.root);
@@ -258,13 +300,13 @@ memcached_return_t memcached_set_error(memcached_server_st& self, memcached_retu
 memcached_return_t memcached_set_error(memcached_server_st& self, memcached_return_t rc, const char *at)
 {
   assert_msg(rc != MEMCACHED_SOME_ERRORS, "Programmer error, MEMCACHED_SOME_ERRORS was about to be set on a memcached_server_st");
-  if (memcached_success(rc))
+  if (memcached_fatal(rc) == false)
   {
     return rc;
   }
 
   char hostname_port[NI_MAXHOST +NI_MAXSERV + sizeof("host : ")];
-  int size= snprintf(hostname_port, sizeof(hostname_port), "host: %s:%d", self.hostname, int(self.port));
+  size_t size= append_host_to_string(self, hostname_port, sizeof(hostname_port));
 
   memcached_string_t error_host= { hostname_port, size};
 
@@ -282,7 +324,7 @@ memcached_return_t memcached_set_error(memcached_server_st& self, memcached_retu
 memcached_return_t memcached_set_error(memcached_st& self, memcached_return_t rc, const char *at)
 {
   assert_msg(rc != MEMCACHED_ERRNO, "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
-  if (memcached_success(rc))
+  if (memcached_fatal(rc) == false)
   {
     return rc;
   }
@@ -338,24 +380,21 @@ memcached_return_t memcached_set_errno(memcached_server_st& self, int local_errn
   }
 
   char hostname_port_message[MAX_ERROR_LENGTH];
-  int size;
+  char* hostname_port_message_ptr= hostname_port_message;
+  size_t size= 0;
   if (str.size)
   {
-    size= snprintf(hostname_port_message, sizeof(hostname_port_message), "%.*s, host: %s:%d",
-                   memcached_string_printf(str),
-                   self.hostname, int(self.port));
-  }
-  else
-  {
-    size= snprintf(hostname_port_message, sizeof(hostname_port_message), "host: %s:%d",
-                   self.hostname, int(self.port));
+    size= snprintf(hostname_port_message_ptr, sizeof(hostname_port_message), "%.*s, ", memcached_string_printf(str));
   }
+  size+= append_host_to_string(self, hostname_port_message_ptr, sizeof(hostname_port_message) -size);
 
   memcached_string_t error_host= { hostname_port_message, size };
 
   memcached_return_t rc= MEMCACHED_ERRNO;
-  if (not self.root)
+  if (self.root == NULL)
+  {
     return rc;
+  }
 
   _set(*self.root, &error_host, rc, at, local_errno);
   _set(self, (*self.root));
@@ -371,14 +410,15 @@ memcached_return_t memcached_set_errno(memcached_server_st& self, int local_errn
   }
 
   char hostname_port_message[MAX_ERROR_LENGTH];
-  int size = snprintf(hostname_port_message, sizeof(hostname_port_message), "host: %s:%d",
-                      self.hostname, int(self.port));
+  size_t size= append_host_to_string(self, hostname_port_message, sizeof(hostname_port_message));
 
   memcached_string_t error_host= { hostname_port_message, size };
 
   memcached_return_t rc= MEMCACHED_ERRNO;
-  if (not self.root)
+  if (self.root == NULL)
+  {
     return rc;
+  }
 
   _set(*self.root, &error_host, rc, at, local_errno);
   _set(self, (*self.root));
@@ -431,13 +471,13 @@ static void _error_free(memcached_error_t *error)
 
   _error_free(error->next);
 
-  if (error && error->root)
+  if (error and error->root)
   {
     libmemcached_free(error->root, error);
   }
   else if (error)
   {
-    free(error);
+    libmemcached_free(error->root, error);
   }
 }
 
@@ -453,7 +493,7 @@ void memcached_error_free(memcached_server_st& self)
   self.error_messages= NULL;
 }
 
-const char *memcached_last_error_message(memcached_st *memc)
+const char *memcached_last_error_message(const memcached_st *memc)
 {
   if (memc == NULL)
   {
@@ -490,27 +530,29 @@ bool memcached_has_current_error(memcached_server_st& server)
   return memcached_has_current_error(*(server.root));
 }
 
-memcached_return_t memcached_last_error(memcached_st *memc)
+memcached_return_t memcached_last_error(const memcached_st *memc)
 {
   if (memc == NULL)
   {
     return MEMCACHED_INVALID_ARGUMENTS;
   }
 
-  if (not memc->error_messages)
+  if (memc->error_messages == NULL)
+  {
     return MEMCACHED_SUCCESS;
+  }
 
   return memc->error_messages->rc;
 }
 
-int memcached_last_error_errno(memcached_st *memc)
+int memcached_last_error_errno(const memcached_st *memc)
 {
   if (memc == NULL)
   {
     return 0;
   }
 
-  if (not memc->error_messages)
+  if (memc->error_messages == NULL)
   {
     return 0;
   }
@@ -518,18 +560,22 @@ int memcached_last_error_errno(memcached_st *memc)
   return memc->error_messages->local_errno;
 }
 
-const char *memcached_server_error(memcached_server_instance_st server)
+const char *memcached_server_error(const memcached_server_instance_st server)
 {
   if (server == NULL)
   {
     return NULL;
   }
 
-  if (not server->error_messages)
+  if (server->error_messages == NULL)
+  {
     return memcached_strerror(server->root, MEMCACHED_SUCCESS);
+  }
 
-  if (not server->error_messages->size)
+  if (server->error_messages->size == 0)
+  {
     return memcached_strerror(server->root, server->error_messages->rc);
+  }
 
   return server->error_messages->message;
 }