From 8174eb73282e177112615c2dd332b69401959764 Mon Sep 17 00:00:00 2001
From: Gluzskiy Alexandr <sss123next@list.ru>
Date: Wed, 30 Mar 2011 08:51:28 +0300
Subject: one more threading variant (without mutexes)

---
 messages.cpp | 63 +++++++++++++++++++++---------------------------------------
 1 file changed, 22 insertions(+), 41 deletions(-)

(limited to 'messages.cpp')

diff --git a/messages.cpp b/messages.cpp
index ef6cf97..3426b5e 100644
--- a/messages.cpp
+++ b/messages.cpp
@@ -19,7 +19,7 @@
 
 wstring new_key;
 HANDLE new_key_hcnt = NULL;
-boost::mutex new_key_hcnt_mutex, gpg_file_mutex;
+boost::mutex new_key_hcnt_mutex;
 bool _terminate = false;
 int returnNoError(HANDLE hContact);
 
@@ -78,10 +78,11 @@ int RecvMsgSvc_func(HANDLE hContact, std::wstring str, char *msg, DWORD flags)
 			char *tmp = mir_t2a(str.substr(s1,s2-s1).c_str());
 			TCHAR *tmp2 = UniGetContactSettingUtf(NULL, szGPGModuleName, "szHomePath", _T(""));
 			wstring path = tmp2;
-			path.append(_T("\\encrypted_data.asc"));
+			wstring encfile = toUTF16(get_random(10));
+			wstring decfile = toUTF16(get_random(10));
+			path.append(_T("\\tmp\\"));
+			path.append(encfile);
 			DeleteFile(path.c_str());
-			while(!gpg_file_mutex.timed_lock(boost::posix_time::seconds(15)))
-				gpg_file_mutex.unlock();
 			fstream f(path.c_str(), std::ios::out);
 			while(!f.is_open())
 				f.open(path.c_str(), std::ios::out);
@@ -132,12 +133,15 @@ int RecvMsgSvc_func(HANDLE hContact, std::wstring str, char *msg, DWORD flags)
 				}
 				{
 					wstring path = tmp2;
-					path += _T("\\decrypted_data");
+					path += _T("\\tmp\\");
+					path += decfile;
 					DeleteFile(path.c_str());
 				}
 				cmd += _T("--output \"");
 				cmd += tmp2;
-				cmd += _T("\\decrypted_data\"");
+				cmd += _T("\\tmp\\");
+				cmd += decfile;
+				cmd += _T("\"");
 				cmd += _T(" -d -a \"");
 				cmd += path;
 				cmd += _T("\"");
@@ -155,14 +159,12 @@ int RecvMsgSvc_func(HANDLE hContact, std::wstring str, char *msg, DWORD flags)
 					debuglog<<time_str()<<": GPG execution timed out, aborted\n";
 					DeleteFile(path.c_str());
 					HistoryLog(hContact, msg, EVENTTYPE_MESSAGE, dbflags);
-					gpg_file_mutex.unlock();
 					return 0;
 				}
 				if(result == pxNotFound)
 				{
 					DeleteFile(path.c_str());
 					HistoryLog(hContact, msg, EVENTTYPE_MESSAGE, dbflags);
-					gpg_file_mutex.unlock();
 					return 0;
 				}
 				_terminate = false;
@@ -206,14 +208,12 @@ int RecvMsgSvc_func(HANDLE hContact, std::wstring str, char *msg, DWORD flags)
 						debuglog<<time_str()<<": GPG execution timed out, aborted\n";
 						DeleteFile(path.c_str());
 						HistoryLog(hContact, msg, EVENTTYPE_MESSAGE, dbflags);
-						gpg_file_mutex.unlock();
 						return 0;
 					}
 					if(result == pxNotFound)
 					{
 						DeleteFile(path.c_str());
 						HistoryLog(hContact, msg, EVENTTYPE_MESSAGE, dbflags);
-						gpg_file_mutex.unlock();
 						return 0;
 					}
 				}
@@ -225,7 +225,6 @@ int RecvMsgSvc_func(HANDLE hContact, std::wstring str, char *msg, DWORD flags)
 					debuglog<<time_str()<<": GPG execution timed out, aborted\n";
 					DeleteFile(path.c_str());
 					HistoryLog(hContact, msg, EVENTTYPE_MESSAGE, dbflags);
-					gpg_file_mutex.unlock();
 					return 0;
 				}
 				if(result == pxNotFound)
@@ -235,12 +234,14 @@ int RecvMsgSvc_func(HANDLE hContact, std::wstring str, char *msg, DWORD flags)
 				}
 				{
 					wstring tmp = tmp2;
-					tmp += _T("\\encrypted_data.asc");
+					tmp += _T("\\tmp\\");
+					tmp += encfile;
 					DeleteFile(tmp.c_str());
 				}
 				{
 					wstring tmp = tmp2;
-					tmp += _T("\\decrypted_data");
+					tmp += _T("\\tmp\\");
+					tmp += decfile;
 					if(_waccess(tmp.c_str(), 0) == -1)
 					{
 						if(errno == ENOENT)
@@ -252,19 +253,16 @@ int RecvMsgSvc_func(HANDLE hContact, std::wstring str, char *msg, DWORD flags)
 							strcpy(tmp, str.c_str());
 							HistoryLog(hContact, tmp, EVENTTYPE_MESSAGE, dbflags);
 							mir_free(tmp);
-							gpg_file_mutex.unlock();
 							return 0;
 						}
 					}
 				}
-				gpg_file_mutex.unlock();				
 				str.clear();
 				{
 					wstring path = tmp2;
 					mir_free(tmp2);
-					path += _T("\\decrypted_data");
-					while(!gpg_file_mutex.timed_lock(boost::posix_time::seconds(15)))
-						gpg_file_mutex.unlock();
+					path += _T("\\tmp\\");
+					path += decfile;
 					fstream f(path.c_str(), std::ios::in | std::ios::ate | std::ios::binary);
 					if(f.is_open())
 					{
@@ -278,10 +276,7 @@ int RecvMsgSvc_func(HANDLE hContact, std::wstring str, char *msg, DWORD flags)
 						delete [] tmp;
 						f.close();
 						DeleteFile(path.c_str());
-						gpg_file_mutex.unlock();
 					}
-					else
-						gpg_file_mutex.unlock();
 					if(str.empty())
 					{
 						string str = msg;
@@ -309,7 +304,6 @@ int RecvMsgSvc_func(HANDLE hContact, std::wstring str, char *msg, DWORD flags)
 						char *tmp = mir_strdup(toUTF8(str).c_str());
 						HistoryLog(hContact, tmp, EVENTTYPE_MESSAGE, dbflags);
 						mir_free(tmp);
-						gpg_file_mutex.unlock();
 						return 0;
 					}
 				}
@@ -367,8 +361,6 @@ int RecvMsgSvc(WPARAM w, LPARAM l)
 					_tcscat(tmp2, _T("\\"));
 					_tcscat(tmp2, _T("temporary_exported.asc"));
 					DeleteFile(tmp2);
-					while(!gpg_file_mutex.timed_lock(boost::posix_time::seconds(15)))
-						gpg_file_mutex.unlock();
 					wfstream f(tmp2, std::ios::out);
 					while(!f.is_open())
 						f.open(tmp2, std::ios::out);
@@ -394,15 +386,10 @@ int RecvMsgSvc(WPARAM w, LPARAM l)
 				{
 					gpg_thread.~thread();
 					debuglog<<time_str()<<": GPG execution timed out, aborted\n";
-					gpg_file_mutex.unlock();
 					return 1;
 				}
 				if(result == pxNotFound)
-				{
-					gpg_file_mutex.unlock();
 					return 1;
-				}
-				gpg_file_mutex.unlock();
 				{
 					char *tmp = NULL;
 					string::size_type s = output.find("gpg: key ") + strlen("gpg: key ");
@@ -599,6 +586,7 @@ int SendMsgSvc_func(HANDLE hContact, char *msg, DWORD flags)
 	string out;
 	DWORD code;
 	wstring cmd;
+	wstring file = toUTF16(get_random(10));
 	wstring path;
 	extern bool bJabberAPI, bIsMiranda09;
 	char *tmp = UniGetContactSettingUtf(hContact, szGPGModuleName, "KeyID", "");
@@ -624,14 +612,14 @@ int SendMsgSvc_func(HANDLE hContact, char *msg, DWORD flags)
 	path.append(tmp2);
 	cmd += tmp2;
 	mir_free(tmp2);
-	cmd += _T("\\exported_data");
-	path.append(_T("\\exported_data"));
+	cmd += _T("\\tmp\\");
+	cmd += file;
+	path.append(_T("\\tmp\\"));
+	path += file;
 	cmd += _T("\"");
 	{
 		char *tmp;
 		tmp = mir_strdup(toUTF8(str).c_str());
-		while(!gpg_file_mutex.timed_lock(boost::posix_time::seconds(15)))
-			gpg_file_mutex.unlock();
 		fstream f(path.c_str(), std::ios::out);
 		while(!f.is_open())
 			f.open(path.c_str(), std::ios::out);
@@ -652,13 +640,11 @@ int SendMsgSvc_func(HANDLE hContact, char *msg, DWORD flags)
 		gpg_thread.~thread();
 		debuglog<<time_str()<<": GPG execution timed out, aborted\n";
 		mir_free(msg);
-		gpg_file_mutex.unlock();
 		return CallContactService(hContact, PSS_MESSAGE, (WPARAM)flags, (LPARAM)msg);
 	}
 	if(result == pxNotFound)
 	{
 		mir_free(msg);
-		gpg_file_mutex.unlock();
 		return CallContactService(hContact, PSS_MESSAGE, (WPARAM)flags, (LPARAM)msg);
 	}
 	if(out.find("There is no assurance this key belongs to the named user") != string::npos)
@@ -681,20 +667,17 @@ int SendMsgSvc_func(HANDLE hContact, char *msg, DWORD flags)
 				gpg_thread.~thread();
 				debuglog<<time_str()<<": GPG execution timed out, aborted\n";
 				mir_free(msg);
-				gpg_file_mutex.unlock();
 				return CallContactService(hContact, PSS_MESSAGE, (WPARAM)flags, (LPARAM)msg);
 			}
 			if(result == pxNotFound)
 			{
 				mir_free(msg);
-				gpg_file_mutex.unlock();
 				return CallContactService(hContact, PSS_MESSAGE, (WPARAM)flags, (LPARAM)msg);
 			}
 		}
 		else
 		{
 			mir_free(msg);
-			gpg_file_mutex.unlock();
 			return 0;
 		}
 	}
@@ -703,7 +686,6 @@ int SendMsgSvc_func(HANDLE hContact, char *msg, DWORD flags)
 		MessageBox(0, _T("Something wrong, gpg does not understand us, aborting encryption."), _T("Warning"), MB_OK);
 		DeleteFile(path.c_str());
 		mir_free(msg);
-		gpg_file_mutex.unlock();
 		return CallContactService(hContact, PSS_MESSAGE, (WPARAM)flags, (LPARAM)msg);
 	}
 	DeleteFile(path.c_str());
@@ -724,12 +706,11 @@ int SendMsgSvc_func(HANDLE hContact, char *msg, DWORD flags)
 		f.close();
 		DeleteFile(path.c_str());
 	}
-	gpg_file_mutex.unlock();
 	if(str.empty())
 	{
 		HistoryLog(hContact, "Failed to encrypt message with GPG", EVENTTYPE_MESSAGE, DBEF_SENT);
 		hcontact_data[hContact].msgs_to_pass.push_back("Failed to encrypt message with GPG");
-		debuglog<<time_str()<<": info: Failed to encrypt message with GPG";
+		debuglog<<time_str()<<": info: Failed to encrypt message with GPG\n";
 		mir_free(msg);
 		return CallContactService(hContact, PSS_MESSAGE, (WPARAM)flags, (LPARAM)msg);
 	}
-- 
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