Applied-Software/uFTP
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Working on mutex!

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This commit is contained in:
Ugo Cirmignani
2019-03-02 16:12:48 +01:00
parent eda438894d
commit 45cd244172
10 changed files with 44 additions and 34 deletions
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build/modules/configRead.o
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build/modules/connection.o
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build/modules/ftpCommandElaborate.o
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build/modules/ftpData.o
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build/modules/ftpServer.o
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build/uFTP
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32
ftpCommandElaborate.c
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@ -632,12 +632,13 @@ int parseCommandList(ftpDataType * data, int socketId)
setDynamicStringDataType(&data->clients[socketId].listPath, data->clients[socketId].login.absolutePath.text, data->clients[socketId].login.absolutePath.textLen, &data->clients[socketId].memoryTable);
}
//pthread_mutex_trylock(&data->clients[socketId].workerData.conditionMutex);
pthread_mutex_lock(&data->clients[socketId].conditionMutex);
memset(data->clients[socketId].workerData.theCommandReceived, 0, CLIENT_COMMAND_STRING_SIZE);
strcpy(data->clients[socketId].workerData.theCommandReceived, data->clients[socketId].theCommandReceived);
data->clients[socketId].workerData.commandReceived = 1;
//pthread_mutex_unlock(&data->clients[socketId].workerData.conditionMutex);
pthread_cond_signal(&data->clients[socketId].workerData.conditionVariable);
pthread_cond_signal(&data->clients[socketId].conditionVariable);
pthread_mutex_unlock(&data->clients[socketId].conditionMutex);
return FTP_COMMAND_PROCESSED;
}
@ -663,12 +664,14 @@ int parseCommandNlst(ftpDataType * data, int socketId)
setDynamicStringDataType(&data->clients[socketId].nlistPath, data->clients[socketId].login.absolutePath.text, data->clients[socketId].login.absolutePath.textLen, &data->clients[socketId].memoryTable);
}
//pthread_mutex_trylock(&data->clients[socketId].workerData.conditionMutex);
pthread_mutex_lock(&data->clients[socketId].conditionMutex);
memset(data->clients[socketId].workerData.theCommandReceived, 0, CLIENT_COMMAND_STRING_SIZE);
strcpy(data->clients[socketId].workerData.theCommandReceived, data->clients[socketId].theCommandReceived);
data->clients[socketId].workerData.commandReceived = 1;
//pthread_mutex_unlock(&data->clients[socketId].workerData.conditionMutex);
pthread_cond_signal(&data->clients[socketId].workerData.conditionVariable);
pthread_cond_signal(&data->clients[socketId].conditionVariable);
pthread_mutex_unlock(&data->clients[socketId].conditionMutex);
return FTP_COMMAND_PROCESSED;
}
@ -688,12 +691,14 @@ int parseCommandRetr(ftpDataType * data, int socketId)
if (isSafePath == 1 &&
FILE_IsFile(data->clients[socketId].fileToRetr.text) == 1)
{
//pthread_mutex_trylock(&data->clients[socketId].workerData.conditionMutex);
pthread_mutex_lock(&data->clients[socketId].conditionMutex);
memset(data->clients[socketId].workerData.theCommandReceived, 0, CLIENT_COMMAND_STRING_SIZE);
strcpy(data->clients[socketId].workerData.theCommandReceived, data->clients[socketId].theCommandReceived);
data->clients[socketId].workerData.commandReceived = 1;
//pthread_mutex_unlock(&data->clients[socketId].workerData.conditionMutex);
pthread_cond_signal(&data->clients[socketId].workerData.conditionVariable);
pthread_cond_signal(&data->clients[socketId].conditionVariable);
pthread_mutex_unlock(&data->clients[socketId].conditionMutex);
return FTP_COMMAND_PROCESSED;
}
else
@ -718,18 +723,19 @@ int parseCommandStor(ftpDataType * data, int socketId)
if (isSafePath == 1)
{
//pthread_mutex_trylock(&data->clients[socketId].workerData.conditionMutex);
pthread_mutex_lock(&data->clients[socketId].conditionMutex);
memset(data->clients[socketId].workerData.theCommandReceived, 0, CLIENT_COMMAND_STRING_SIZE);
strcpy(data->clients[socketId].workerData.theCommandReceived, data->clients[socketId].theCommandReceived);
data->clients[socketId].workerData.commandReceived = 1;
//pthread_mutex_unlock(&data->clients[socketId].workerData.conditionMutex);
pthread_cond_signal(&data->clients[socketId].workerData.conditionVariable);
pthread_cond_signal(&data->clients[socketId].conditionVariable);
pthread_mutex_unlock(&data->clients[socketId].conditionMutex);
}
else
{
return FTP_COMMAND_NOT_RECONIZED;
}
return FTP_COMMAND_PROCESSED;
}

35
ftpData.c
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@ -593,9 +593,6 @@ void resetWorkerData(ftpDataType *data, int clientId, int isInitialization)
/* wait main for action */
if (isInitialization != 1)
{
pthread_mutex_destroy(&data->clients[clientId].workerData.conditionMutex);
pthread_cond_destroy(&data->clients[clientId].workerData.conditionVariable);
if (data->clients[clientId].workerData.theStorFile != NULL)
{
fclose(data->clients[clientId].workerData.theStorFile);
@ -614,18 +611,6 @@ void resetWorkerData(ftpDataType *data, int clientId, int isInitialization)
data->clients[clientId].workerData.threadHasBeenCreated = 0;
}
if (pthread_mutex_init(&data->clients[clientId].workerData.conditionMutex, NULL) != 0)
{
// printf("\ndata->clients[clientId].workerData.conditionMutex init failed\n");
exit(0);
}
if (pthread_cond_init(&data->clients[clientId].workerData.conditionVariable, NULL) != 0)
{
// printf("\ndata->clients[clientId].workerData.conditionVariable init failed\n");
exit(0);
}
//Clear the dynamic vector structure
int theSize = data->clients[clientId].workerData.directoryInfo.Size;
@ -645,12 +630,14 @@ void resetWorkerData(ftpDataType *data, int clientId, int isInitialization)
void resetClientData(ftpDataType *data, int clientId, int isInitialization)
{
if (isInitialization != 1)
{
if (data->clients[clientId].workerData.threadIsAlive == 1)
pthread_cancel(data->clients[clientId].workerData.workerThread);
pthread_mutex_destroy(&data->clients[clientId].conditionMutex);
pthread_cond_destroy(&data->clients[clientId].conditionVariable);
pthread_mutex_destroy(&data->clients[clientId].writeMutex);
#ifdef OPENSSL_ENABLED
@ -658,6 +645,10 @@ void resetClientData(ftpDataType *data, int clientId, int isInitialization)
//SSL_free(data->clients[clientId].workerData.ssl);
#endif
}
else
{
}
if (pthread_mutex_init(&data->clients[clientId].writeMutex, NULL) != 0)
{
@ -665,6 +656,18 @@ void resetClientData(ftpDataType *data, int clientId, int isInitialization)
exit(0);
}
if (pthread_mutex_init(&data->clients[clientId].conditionMutex, NULL) != 0)
{
printf("\ndata->clients[clientId].workerData.conditionMutex init failed\n");
exit(0);
}
if (pthread_cond_init(&data->clients[clientId].conditionVariable, NULL) != 0)
{
printf("\ndata->clients[clientId].workerData.conditionVariable init failed\n");
exit(0);
}
data->clients[clientId].tlsIsNegotiating = 0;
data->clients[clientId].tlsIsEnabled = 0;
data->clients[clientId].dataChannelIsTls = 0;

5
ftpData.h
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@ -148,8 +148,6 @@ struct workerData
long long int retrRestartAtByte;
/* The PASV thread will wait the signal before start */
pthread_mutex_t conditionMutex;
pthread_cond_t conditionVariable;
ftpCommandDataType ftpCommand;
DYNV_VectorGenericDataType directoryInfo;
FILE *theStorFile;
@ -207,6 +205,9 @@ struct clientData
unsigned long long int connectionTimeStamp;
unsigned long long int lastActivityTimeStamp;
pthread_mutex_t conditionMutex;
pthread_cond_t conditionVariable;
DYNMEM_MemoryTable_DataType *memoryTable;
} typedef clientDataType;

6
ftpServer.c
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@ -264,12 +264,12 @@ void *connectionWorkerHandle(void * socketId)
{
//printf("\nWorker %d is waiting for commands!", theSocketId);
//Conditional lock on tconditionVariablehread actions
pthread_mutex_lock(&ftpData.clients[theSocketId].workerData.conditionMutex);
pthread_mutex_lock(&ftpData.clients[theSocketId].conditionMutex);
while (ftpData.clients[theSocketId].workerData.commandReceived == 0)
{
pthread_cond_wait(&ftpData.clients[theSocketId].workerData.conditionVariable, &ftpData.clients[theSocketId].workerData.conditionMutex);
pthread_cond_wait(&ftpData.clients[theSocketId].conditionVariable, &ftpData.clients[theSocketId].conditionMutex);
}
pthread_mutex_unlock(&ftpData.clients[theSocketId].workerData.conditionMutex);
pthread_mutex_unlock(&ftpData.clients[theSocketId].conditionMutex);
//printf("\nWorker %d unlocked", theSocketId);