enum protoCmd rx_request(struct protocol *req, int fd)
{
struct item *item;
// Upgrade version 1 and 2 to version 3
if (req->ver == 1) {
strcpy(req->xmlname, "default");
}
if (req->ver < 3) {
strcpy(req->mimetype,"image/png");
strcpy(req->options,"");
} else if (req->ver != 3) {
syslog(LOG_ERR, "Bad protocol version %d", req->ver);
return cmdNotDone;
}
syslog(LOG_DEBUG, "DEBUG: Got command %s fd(%d) xml(%s), z(%d), x(%d), y(%d), mime(%s), options(%s)",
cmdStr(req->cmd), fd, req->xmlname, req->z, req->x, req->y, req->mimetype, req->options);
if ((req->cmd != cmdRender) && (req->cmd != cmdRenderPrio) && (req->cmd != cmdRenderLow) && (req->cmd != cmdDirty) && (req->cmd != cmdRenderBulk)) {
syslog(LOG_WARNING, "WARNING: Ignoring unknown command %s fd(%d) xml(%s), z(%d), x(%d), y(%d)",
cmdStr(req->cmd), fd, req->xmlname, req->z, req->x, req->y);
return cmdNotDone;
}
item = (struct item *)malloc(sizeof(*item));
if (!item) {
syslog(LOG_ERR, "malloc failed");
return cmdNotDone;
}
item->req = *req;
item->duplicates = NULL;
item->fd = (req->cmd == cmdDirty) ? FD_INVALID : fd;
#ifdef METATILE
/* Round down request co-ordinates to the neareast N (should be a power of 2)
* Note: request path is no longer consistent but this will be recalculated
* when the metatile is being rendered.
*/
item->mx = item->req.x & ~(METATILE-1);
item->my = item->req.y & ~(METATILE-1);
#else
item->mx = item->req.x;
item->my = item->req.y;
#endif
return request_queue_add_request(render_request_queue, item);
}
void FileTransferWidget::ReadyRead()
{
switch (m_transferMode)
{
case TM_RECIEVE_CLIENT:
{
if (m_currentStatus == FT_WAIT_FOR_HELLO)
{
QString cmd(m_socket->readAll());
qDebug()<<"File transfer cmd recieved: "<<cmd;
if (cmd.contains("MRA_FT_HELLO") && cmd.contains(m_req.From))
{
GetNextFile();
}
}
else
{
m_currentFileSize += m_socket->bytesAvailable();
m_speedBytes += m_socket->bytesAvailable();
m_ui->doneLabel->setText(MRIMCommonUtils::GetFileSize(m_currentFileSize));
m_ui->progressBar->setValue(m_currentFileSize);
m_currentFile.write(m_socket->readAll());
if (m_currentFileSize >= m_filesHashIter->value())
{
//done with current file
m_currentFile.close();
m_currentStatus = FT_TRANSFER_FILE_COMPLETED;
GetNextFile();
}
}
}
break;
case TM_SEND_SERVER:
{
if (m_currentStatus == FT_WAIT_FOR_HELLO)
{
QString cmd(m_socket->readAll());
qDebug()<<"File transfer cmd recieved: "<<cmd;
if (cmd.contains("MRA_FT_HELLO") && cmd.contains(m_req.To))
{
SendCmd("MRA_FT_HELLO "+m_client->GetAccountInfo().account_name);
m_currentStatus = FT_WAIT_FOR_TRANSFER;
}
}
else if (m_currentStatus == FT_WAIT_FOR_TRANSFER && m_sentFilesCount < m_req.FilesInfo.count())
{
QString cmdStr(m_socket->readAll());
qDebug()<<"File transfer cmd recieved: "<<cmdStr;
QStringList cmd = cmdStr.split(' ');
if (cmd.contains("MRA_FT_GET_FILE"))
{
m_currentStatus = FT_TRANSFER;
SendFile(cmd[1]);
}
}
}
break;
}
}
enum protoCmd rx_request(const struct protocol *req, int fd)
{
struct protocol *reqnew;
struct item *list = NULL, *item;
enum protoCmd pend;
// Upgrade version 1 to version 2
if (req->ver == 1) {
reqnew = (struct protocol *)malloc(sizeof(struct protocol));
memcpy(reqnew, req, sizeof(struct protocol_v1));
reqnew->xmlname[0] = 0;
req = reqnew;
}
else if (req->ver != 2) {
syslog(LOG_ERR, "Bad protocol version %d", req->ver);
return cmdIgnore;
}
syslog(LOG_DEBUG, "DEBUG: Got command %s fd(%d) xml(%s), z(%d), x(%d), y(%d)",
cmdStr(req->cmd), fd, req->xmlname, req->z, req->x, req->y);
if ((req->cmd != cmdRender) && (req->cmd != cmdRenderPrio) && (req->cmd != cmdDirty) && (req->cmd != cmdRenderBulk))
return cmdIgnore;
item = (struct item *)malloc(sizeof(*item));
if (!item) {
syslog(LOG_ERR, "malloc failed");
return cmdNotDone;
}
item->req = *req;
item->duplicates = NULL;
item->fd = (req->cmd == cmdDirty) ? FD_INVALID : fd;
item_load(item, req);
#ifdef METATILE
/* Round down request co-ordinates to the neareast N (should be a power of 2)
* Note: request path is no longer consistent but this will be recalculated
* when the metatile is being rendered.
*/
item->mx = item->req.x & ~(METATILE-1);
item->my = item->req.y & ~(METATILE-1);
#else
item->mx = item->req.x;
item->my = item->req.y;
#endif
pthread_mutex_lock(&qLock);
// Check for a matching request in the current rendering or dirty queues
pend = pending(item);
if (pend == cmdNotDone) {
// We found a match in the dirty queue, can not wait for it
pthread_mutex_unlock(&qLock);
free(item);
return cmdNotDone;
}
if (pend == cmdIgnore) {
// Found a match in render queue, item added as duplicate
pthread_mutex_unlock(&qLock);
return cmdIgnore;
}
// New request, add it to render or dirty queue
if ((req->cmd == cmdRender) && (reqNum < REQ_LIMIT)) {
list = &reqHead;
item->inQueue = queueRequest;
reqNum++;
} else if ((req->cmd == cmdRenderPrio) && (reqPrioNum < REQ_LIMIT)) {
list = &reqPrioHead;
item->inQueue = queueRequestPrio;
reqPrioNum++;
} else if ((req->cmd == cmdRenderBulk) && (reqBulkNum < REQ_LIMIT)) {
list = &reqBulkHead;
item->inQueue = queueRequestBulk;
reqBulkNum++;
} else if (dirtyNum < DIRTY_LIMIT) {
list = &dirtyHead;
item->inQueue = queueDirty;
dirtyNum++;
item->fd = FD_INVALID; // No response after render
} else {
// The queue is severely backlogged. Drop request
stats.noReqDroped++;
pthread_mutex_unlock(&qLock);
free(item);
return cmdNotDone;
}
if (list) {
item->next = list;
item->prev = list->prev;
item->prev->next = item;
list->prev = item;
/* In addition to the linked list, add item to a hash table index
* for faster lookup of pending requests.
*/
insert_item_idx(item);
pthread_cond_signal(&qCond);
} else
free(item);
pthread_mutex_unlock(&qLock);
return (list == &reqHead)?cmdIgnore:cmdNotDone;
}
int cmdParseScript(char *script, cmdScript_t *s, int diags)
{
int idx, len, b, i, j, tags, resolved;
int status;
uint32_t p[10];
cmdInstr_t instr;
cmdCtlParse_t ctl;
char v[CMD_MAX_EXTENSION];
ctl.eaten = 0;
status = 0;
cmdTagStep_t tag_step[PI_MAX_SCRIPT_TAGS];
len = strlen(script);
/* calloc space for PARAMS, VARS, CMDS, and STRINGS */
b = (sizeof(int) * (PI_MAX_SCRIPT_PARAMS + PI_MAX_SCRIPT_VARS)) +
(sizeof(cmdInstr_t) * (len + 2) / 2) + len;
s->par = calloc(1, b);
if (s->par == NULL) return -1;
s->var = s->par + PI_MAX_SCRIPT_PARAMS;
s->instr = (cmdInstr_t *)(s->var + PI_MAX_SCRIPT_VARS);
s->str_area = (char *)(s->instr + ((len + 2) / 2));
s->str_area_len = len;
s->str_area_pos = 0;
s->instrs = 0;
tags = 0;
idx = 0;
while (ctl.eaten<len)
{
idx = cmdParse(script, p, CMD_MAX_EXTENSION, v, &ctl);
if (idx >= 0)
{
if (p[3])
{
memcpy(s->str_area + s->str_area_pos, v, p[3]);
s->str_area[s->str_area_pos + p[3]] = 0;
p[4] = (intptr_t) s->str_area + s->str_area_pos;
s->str_area_pos += (p[3] + 1);
}
memcpy(&instr.p, p, sizeof(instr.p));
if (instr.p[0] == PI_CMD_TAG)
{
if (tags < PI_MAX_SCRIPT_TAGS)
{
/* check tag not already used */
for (j=0; j<tags; j++)
{
if (tag_step[j].tag == instr.p[1])
{
if (diags)
{
fprintf(stderr, "Duplicate tag: %d\n", instr.p[1]);
}
if (!status) status = PI_DUP_TAG;
idx = -1;
}
}
tag_step[tags].tag = instr.p[1];
tag_step[tags].step = s->instrs;
tags++;
}
else
{
if (diags)
{
fprintf(stderr, "Too many tags: %d\n", instr.p[1]);
}
if (!status) status = PI_TOO_MANY_TAGS;
idx = -1;
}
}
}
else
{
if (diags)
{
if (idx == CMD_UNKNOWN_CMD)
fprintf(stderr, "Unknown command: %s\n", cmdStr());
else
fprintf(stderr, "Bad parameter to %s\n", cmdStr());
}
if (!status) status = PI_BAD_SCRIPT_CMD;
}
if (idx >= 0)
{
if (instr.p[0] != PI_CMD_TAG)
{
memcpy(instr.opt, &ctl.opt, sizeof(instr.opt));
s->instr[s->instrs++] = instr;
}
}
}
for (i=0; i<s->instrs; i++)
{
instr = s->instr[i];
/* resolve jumps */
if ((instr.p[0] == PI_CMD_JMP) || (instr.p[0] == PI_CMD_CALL) ||
(instr.p[0] == PI_CMD_JZ) || (instr.p[0] == PI_CMD_JNZ) ||
(instr.p[0] == PI_CMD_JM) || (instr.p[0] == PI_CMD_JP))
{
resolved = 0;
for (j=0; j<tags; j++)
{
if (instr.p[1] == tag_step[j].tag)
{
s->instr[i].p[1] = tag_step[j].step;
resolved = 1;
break;
}
}
if (!resolved)
{
if (diags)
{
fprintf(stderr, "Can't resolve tag %d\n", instr.p[1]);
}
if (!status) status = PI_BAD_TAG;
}
}
}
return status;
}
void
onData(const ndn::Interest& interest, ndn::Data& data, std::string linkPrefix)
{
std::cout << "Data received for: " << interest.getName() << std::endl;
CollectorData reply;
reply.wireDecode(data.getContent().blockFromValue());
if(reply.m_statusList.empty())
{
std::cerr << "received data is empty!!" << std::endl;
}
// get the list of the remote links requested for this prefix
std::unordered_map<std::string,std::list<ndn::NdnMapServer::linkPair>>::const_iterator got = m_linksList.find(linkPrefix);
if(got == m_linksList.end())
{
std::cerr << "failed to recognize the prefix: " << linkPrefix << std::endl;
}
else
{
std::list<ndn::NdnMapServer::linkPair> prefixList = got->second;
for (unsigned i=0; i< reply.m_statusList.size(); i++)
{
int LinkId = 0;
std::cout << "Reply: " << reply.m_statusList.at(i);
// get the link id of the current IP
for (auto pair = prefixList.cbegin(); pair != prefixList.cend(); ++pair)
{
if((*pair).linkIp == reply.m_statusList[i].getLinkIp())
{
if (DEBUG)
std::cout << " Link ID for " << linkPrefix << " and " << reply.m_statusList[i].getLinkIp() << " is " << (*pair).linkId << std::endl;
LinkId = (*pair).linkId;
}
}
std::string cmdStr("http://");
cmdStr += m_mapServerAddr;
cmdStr += "/bw/";
cmdStr += std::to_string(LinkId);
cmdStr += "/" + reply.m_statusList[i].getTimestamp() + "/";
cmdStr += std::to_string(reply.m_statusList[i].getTx() * 8) + "/";
cmdStr += std::to_string(reply.m_statusList[i].getRx() * 8);
if (DEBUG)
std::cout << "cmd to pass to curl: " << cmdStr << std::endl;
int status;
// check for zombies
waitpid(-1, &status, WNOHANG);
int pid;
if ((pid = fork()) < 0)
printf("for failed for curl %s\n", cmdStr.c_str());
else
{
if (pid == 0)
execl("/usr/bin/curl","curl", "-s", "-L", cmdStr.c_str(), NULL);
}
// check for zombies again
waitpid(-1, &status, WNOHANG);
}
reply.m_statusList.clear();
}
}
int main(int argc , char *argv[])
{
int sock, command;
int idx, i, pp, l, len;
cmdCmd_t cmd;
uint32_t p[CMD_P_ARR];
cmdCtlParse_t ctl;
cmdScript_t s;
char v[CMD_MAX_EXTENSION];
sock = openSocket();
command_buf[0] = 0;
l = 0;
pp = 0;
for (i=1; i<argc; i++)
{
l += (strlen(argv[i]) + 1);
if (l < sizeof(command_buf))
{sprintf(command_buf+pp, "%s ", argv[i]); pp=l;}
}
if (pp) {command_buf[--pp] = 0;}
ctl.eaten = 0;
len = strlen(command_buf);
idx = 0;
while ((idx >= 0) && (ctl.eaten < len))
{
if ((idx=cmdParse(command_buf, p, CMD_MAX_EXTENSION, v, &ctl)) >= 0)
{
command = p[0];
if (command < PI_CMD_SCRIPT)
{
if (command == PI_CMD_HELP)
{
printf(cmdUsage);
}
else if (command == PI_CMD_PARSE)
{
cmdParseScript(v, &s, 1);
if (s.par) free (s.par);
}
else
{
cmd.cmd = command;
cmd.p1 = p[1];
cmd.p2 = p[2];
cmd.p3 = p[3];
if (sock != SOCKET_OPEN_FAILED)
{
if (send(sock, &cmd, sizeof(cmdCmd_t), 0) ==
sizeof(cmdCmd_t))
{
if (p[3]) send(sock, v, p[3], 0); /* send extensions */
if (recv(sock, &cmd, sizeof(cmdCmd_t), MSG_WAITALL) ==
sizeof(cmdCmd_t))
{
get_extensions(sock, command, cmd.res);
print_result(sock, cmdInfo[idx].rv, cmd);
}
else fatal("socket receive failed");
}
else fatal("socket send failed");
}
else fatal("socket connect failed");
}
}
else fatal("%s only allowed within a script", cmdInfo[idx].name);
}
else
{
if (idx == CMD_UNKNOWN_CMD)
fatal("%s? unknown command, pigs h for help", cmdStr());
else
fatal("%s: bad parameter, pigs h for help", cmdStr());
}
}
if (sock >= 0) close(sock);
return 0;
}