SetPrinterInfo

chrome/common/child_process_logging.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_COMMON_CHILD_PROCESS_LOGGING_H_
 #define CHROME_COMMON_CHILD_PROCESS_LOGGING_H_
 #pragma once
 
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/mac/crash_logging.h"
 #include "googleurl/src/gurl.h"
 
 class CommandLine;
 
 namespace content {
 struct GPUInfo;
 }
 
 // The maximum number of active extensions we will report.
 // Also used in chrome/app, but we define it here to avoid a common->app
 // dependency.
 static const int kMaxReportedActiveExtensions = 10;
 
+// The maximum number of prn-info-* records.
+static const size_t kMaxReportedPrinterRecords = 4;
+
 // The maximum number of command line switches to include in the crash
 // report's metadata. Note that the mini-dump itself will also contain the
 // (original) command line arguments within the PEB.
 // Also used in chrome/app, but we define it here to avoid a common->app
 // dependency.
 static const size_t kMaxSwitches = 15;
 
 namespace child_process_logging {
 
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 // These are declared here so the crash reporter can access them directly in
 // compromised context without going through the standard library.
 extern char g_active_url[];
 extern char g_channel[];
 extern char g_client_id[];
 extern char g_extension_ids[];
 extern char g_gpu_vendor_id[];
 extern char g_gpu_device_id[];
 extern char g_gpu_driver_ver[];
 extern char g_gpu_ps_ver[];
 extern char g_gpu_vs_ver[];
 extern char g_num_extensions[];
 extern char g_num_switches[];
 extern char g_num_views[];
+extern char g_prn_info[];
 extern char g_switches[];
 
 // Assume IDs are 32 bytes long.
 static const size_t kExtensionLen = 32;
 
 // Assume command line switches are less than 64 chars.
 static const size_t kSwitchLen = 64;
+
+// Assume printer info strings are less than 64 chars.
+static const size_t kPrinterInfoStrLen = 64;
 #endif
 
 // Sets the URL that is logged if the child process crashes. Use GURL() to clear
 // the URL.
 void SetActiveURL(const GURL& url);
 
 // Sets the Client ID that is used as GUID if a Chrome process crashes.
 void SetClientId(const std::string& client_id);
 
 // Gets the Client ID to be used as GUID for crash reporting. Returns the client
 // id in |client_id| if it's known, an empty string otherwise.
 std::string GetClientId();
 
 // Sets the list of "active" extensions in this process. We overload "active" to
 // mean different things depending on the process type:
 // - browser: all enabled extensions
 // - renderer: the unique set of extension ids from all content scripts
 // - extension: the id of each extension running in this process (there can be
 //   multiple because of process collapsing).
 void SetActiveExtensions(const std::set<std::string>& extension_ids);
 
 // Sets a number of views/tabs opened in this process.
 void SetNumberOfViews(int number_of_views);
 
 // Sets the data on the gpu to send along with crash reports.
 void SetGpuInfo(const content::GPUInfo& gpu_info);
 
+// Sets the data on the printer to send along with crash reports. Data may be
+// separated by ';' up to kMaxReportedPrinterRecords strings. Each substring
+// would be cut to 63 chars.
+void SetPrinterInfo(const char* printer_info);
+
 // Sets the command line arguments to send along with crash reports to the
 // values in |command_line|.
 void SetCommandLine(const CommandLine* command_line);
 
 #if defined(OS_LINUX) || defined(OS_OPENBSD) || defined(OS_MACOSX)
 // Sets the product channel data to send along with crash reports to |channel|.
 void SetChannel(const std::string& channel);
 #endif
 
 // Simple wrapper class that sets the active URL in it's constructor and clears
 // the active URL in the destructor.
 class ScopedActiveURLSetter {
  public:
   explicit ScopedActiveURLSetter(const GURL& url)  {
     SetActiveURL(url);
   }
 
   ~ScopedActiveURLSetter()  {
     SetActiveURL(GURL());
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ScopedActiveURLSetter);
 };
 
+// Set/clear information about currently accessed printer.
+class ScopedPrinterInfoSetter {
+ public:
+  explicit ScopedPrinterInfoSetter(const char* printer_info) {
+    SetPrinterInfo(printer_info);
+  }
+
+  ~ScopedPrinterInfoSetter() {
+    SetPrinterInfo("");
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ScopedPrinterInfoSetter);
+};
+
 }  // namespace child_process_logging
 
 #if defined(OS_MACOSX)
 
 namespace child_process_logging {
 
 void SetActiveURLImpl(const GURL& url,
                       base::mac::SetCrashKeyValueFuncPtr set_key_func,
                       base::mac::ClearCrashKeyValueFuncPtr clear_key_func);
 
 extern const int kMaxNumCrashURLChunks;
 extern const int kMaxNumURLChunkValueLength;
 extern const char *kUrlChunkFormatStr;
 
 }  // namespace child_process_logging
 
 #endif  // defined(OS_MACOSX)
 
 #endif  // CHROME_COMMON_CHILD_PROCESS_LOGGING_H_