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/**
* Copyright (C) ARM Limited 2010-2012. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <stdlib.h>
#include <unistd.h>
#include "Sender.h"
#include "Logging.h"
#include "SessionData.h"
extern void handleException();
Sender::Sender(OlySocket* socket) {
mDataFile = NULL;
mDataSocket = NULL;
// Set up the socket connection
if (socket) {
char streamline[64] = {0};
mDataSocket = socket;
// Receive magic sequence - can wait forever
// Streamline will send data prior to the magic sequence for legacy support, which should be ignored for v4+
while (strcmp("STREAMLINE", streamline) != 0) {
if (mDataSocket->receiveString(streamline, sizeof(streamline)) == -1) {
logg->logError(__FILE__, __LINE__, "Socket disconnected");
handleException();
}
}
// Send magic sequence - must be done first, afterwhich error messages can be sent
char magic[32];
snprintf(magic, 32, "GATOR %i\n", PROTOCOL_VERSION);
mDataSocket->send(magic, strlen(magic));
gSessionData->mWaitingOnCommand = true;
logg->logMessage("Completed magic sequence");
}
pthread_mutex_init(&mSendMutex, NULL);
}
Sender::~Sender() {
delete mDataSocket;
mDataSocket = NULL;
if (mDataFile) {
fclose(mDataFile);
}
}
void Sender::createDataFile(char* apcDir) {
if (apcDir == NULL) {
return;
}
mDataFileName = (char*)malloc(strlen(apcDir) + 12);
sprintf(mDataFileName, "%s/0000000000", apcDir);
mDataFile = fopen(mDataFileName, "wb");
if (!mDataFile) {
logg->logError(__FILE__, __LINE__, "Failed to open binary file: %s", mDataFileName);
handleException();
}
}
void Sender::writeData(const char* data, int length, int type) {
if (length < 0 || (data == NULL && length > 0)) {
return;
}
// Multiple threads call writeData()
pthread_mutex_lock(&mSendMutex);
// Send data over the socket connection
if (mDataSocket) {
// Start alarm
alarm(8);
// Send data over the socket, sending the type and size first
logg->logMessage("Sending data with length %d", length);
if (type != RESPONSE_APC_DATA) {
// type and length already added by the Collector for apc data
mDataSocket->send((char*)&type, 1);
mDataSocket->send((char*)&length, sizeof(length));
}
mDataSocket->send((char*)data, length);
// Stop alarm
alarm(0);
}
// Write data to disk as long as it is not meta data
if (mDataFile && type == RESPONSE_APC_DATA) {
logg->logMessage("Writing data with length %d", length);
// Send data to the data file
if (fwrite(data, 1, length, mDataFile) != (unsigned int)length) {
logg->logError(__FILE__, __LINE__, "Failed writing binary file %s", mDataFileName);
handleException();
}
}
pthread_mutex_unlock(&mSendMutex);
}
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