/** insert one IDENTIFIER or DYN_ATTRIBUTE */
int sTableInsertId(struct Node* node, int ttype) {
if ( ttype < DYN_STRING_T && ttype!=DYNAMIC_T) { // take care of declare unsupported type for attribute
ERRNO = ErrorAttributeTypeNotSupported;
errorInfo(ERRNO, node->line, "Type `%s' is not supported for Attribute\n", sTypeName(ttype));
return ERRNO;
}
else if ( ttype == VOID_T ) {
ERRNO = ErrorVoidTypeVariableNotSupported;
errorInfo(ERRNO, node->line, " cannot declare `void' variable.\n");
return ERRNO;
}
SymbolTableEntry* entry = sNewVarEty ( node->lexval.sval, ttype, node->line );
if ( sTableInsert( entry ) == ErrorSymbolTableKeyAlreadyExsit ) {
SymbolTableEntry * te = sTableLookup(entry->key);
ERRNO = ErrorIdentifierAlreadyDeclared;
errorInfo(ERRNO, node->line,"`%s%s' is already declared.\n",(ttype<0)?"@":"", node->lexval.sval);
errorInfoNote("`%s%s' is first declared at line %d\n",
(ttype<0)?"@":"",node->lexval.sval, te->line);
return ERRNO;
// should tell where first declared
}
node->symbol = entry;
node->type = ttype;
return 0;
}
void waitSession(){
int pid;
while (1) {
printf("Server ready, wait client's connection...\n");
recvfd = accept(listenfd, NULL, NULL);
if (recvfd < 0) {
errorInfo("accept failed");
exit(-1);
}
int len = sizeof(client_addr);
getpeername(recvfd, (struct sockaddr*)&client_addr, &len);
printf("accept a connection from %s:%d\n", inet_ntoa(client_addr.sin_addr), ntohs(client_addr.sin_port));
switch (pid = fork()) {
case -1:
errorInfo("The fork failed!");
break;
case 0:
close(listenfd);
if (startService() == -1) exit(-1);
len = sizeof(client_addr);
getpeername(recvfd, (struct sockaddr*)&client_addr, &len);
printf("Client %s:%d quit!\n", inet_ntoa(client_addr.sin_addr), ntohs(client_addr.sin_port));
close(recvfd);
exit(0);
default:
close(recvfd);
continue;
}
}
return;
}
int serverStart(){
int sockfd;
if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
errorInfo("Create socket failed!");
exit(-1);
}
memset(&serverAddr, 0, sizeof(serverAddr));
serverAddr.sin_family = AF_INET;
serverAddr.sin_port = htons(server_port);
serverAddr.sin_addr.s_addr = inet_addr("127.0.0.1");
if (bind(sockfd, (struct sockaddr*)&serverAddr, sizeof(serverAddr)) < 0) {
errorInfo("bind failed!");
close(sockfd);
exit(-1);
}
if (listen(sockfd, BACKLOG) < 0) {
errorInfo("listen failed");
close(sockfd);
exit(-1);
}
printf("Create server listen socket successfully: %s:%d\n", inet_ntoa(serverAddr.sin_addr), ntohs(serverAddr.sin_port));
return sockfd;
}
void TinyXMLHelper::LoadFile(const char* filePath)
{
m_metaDoc = new TiXmlDocument(filePath);
bool loadSuccessfully = m_metaDoc->LoadFile();
if(!loadSuccessfully)
{
std::string errorInfo(filePath);
errorInfo = "Failed to load file : " + errorInfo;
MessageBoxA( NULL , errorInfo.c_str(), "Failed to loading files", MB_ICONERROR | MB_OK );
exit(0);
}
if(m_metaDoc->ErrorId() > 0)
{
std::string errorInfo(filePath);
errorInfo = "Error , can't analysis meta-data file : " + errorInfo + "\n\n";
MessageBoxA( NULL , (LPCSTR)errorInfo.c_str() , "Load Failed!", MB_ICONERROR | MB_OK );
}
m_root = m_metaDoc->RootElement();
if(!m_root)
{
std::string errorInfo(filePath);
errorInfo = "Error , can't find root element of meta-data file : " + errorInfo + "\n\n";
MessageBoxA( NULL , (LPCSTR)errorInfo.c_str() , "Load Failed!", MB_ICONERROR | MB_OK );
}
}
void execPut(char* filename){
char data_port[BUFFER_SIZE], buf[BUFFER_SIZE];
int port = get_port();
FILE *file = fopen(filename, "wb");
if (!file){
errorInfo("Can't open file!");
return ;
}
else{
send(recvfd, SUCCESS, BUFFER_SIZE, 0);
}
sprintf(data_port, "%d", port);
send(recvfd, data_port, BUFFER_SIZE, 0);
struct sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = serverAddr.sin_addr.s_addr;
int sockfd = socket(AF_INET, SOCK_STREAM, 0);
bind(sockfd, (struct sockaddr*)&addr, sizeof(addr));
listen(sockfd, BACKLOG);
int putfd = accept(sockfd, (struct sockaddr*)NULL, NULL);
int len;
while ((len = recv(putfd, buf, BUFFER_SIZE, 0)) >0){
if (fwrite(buf, 1, len, file) != len) {
errorInfo("File write error!");
return;
}
}
printf("file %s put successfully!\n", filename);
close(putfd);
close(sockfd);
fclose(file);
return;
}
void execDir(){
char buf[BUFFER_SIZE], data_port[BUFFER_SIZE];
int port = get_port();
send(recvfd, SUCCESS, BUFFER_SIZE, 0);
sprintf(data_port, "%d", port);
send(recvfd, data_port, BUFFER_SIZE, 0);
struct sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = serverAddr.sin_addr.s_addr;
int sockfd = socket(AF_INET, SOCK_STREAM, 0);
bind(sockfd, (struct sockaddr*)&addr, sizeof(addr));
listen(sockfd, BACKLOG);
int datarecvfd = accept(sockfd, (struct sockaddr*)NULL, NULL);
system("ls > .temp");
int file = open("./.temp", O_RDONLY);
int len;
while((len = read(file, buf, BUFFER_SIZE))>0) {
if (send(datarecvfd, buf, len, 0) != len) {
errorInfo("Send error!");
close(sockfd);
close(datarecvfd);
return;
}
}
close(sockfd);
close(datarecvfd);
system("rm .temp");
printf("COMMAND DIR SUCCEED!\n");
return;
}
void execGet(char* filename){
char data_port[BUFFER_SIZE], buf[BUFFER_SIZE];
FILE* file = fopen(filename, "rb");
if (!file) {
send(recvfd, FAILURE, BUFFER_SIZE, 0);
return;
}
send(recvfd, SUCCESS, BUFFER_SIZE, 0);
int port = get_port();
sprintf(data_port, "%d", port);
send(recvfd, data_port, BUFFER_SIZE, 0);
struct sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = serverAddr.sin_addr.s_addr;
int sockfd = socket(AF_INET, SOCK_STREAM, 0);
bind(sockfd, (struct sockaddr*)&addr, sizeof(addr));
listen(sockfd, BACKLOG);
int getfd = accept(sockfd, (struct sockaddr*)NULL, NULL);
int len;
while ((len = fread(buf, 1, BUFFER_SIZE, file))>0) {
if (send(getfd, buf, len, 0) != len) {
errorInfo("Send data error!");
return;
}
}
printf("file %s get successfully!\n", filename);
close(getfd);
close(sockfd);
fclose(file);
}
void Error(ErrorType error, ConstructPtr construct, const std::string &data) {
if (hhvm) return;
ErrorInfoPtr errorInfo(new ErrorInfo());
errorInfo->m_error = error;
errorInfo->m_construct1 = construct;
errorInfo->m_data = data;
s_code_errors.record(errorInfo);
}
void Error(ErrorType error, ConstructPtr construct) {
if (hhvm) return;
ErrorInfoPtr errorInfo(new ErrorInfo());
errorInfo->m_error = error;
errorInfo->m_construct1 = construct;
errorInfo->m_data = construct->getText();
s_code_errors.record(errorInfo);
}
void Error(ErrorType error, ConstructPtr construct1, ConstructPtr construct2) {
if (!Option::RecordErrors) return;
ErrorInfoPtr errorInfo(new ErrorInfo());
errorInfo->m_error = error;
errorInfo->m_construct1 = construct1;
errorInfo->m_construct2 = construct2;
errorInfo->m_data = construct1->getText();
s_code_errors.record(errorInfo);
}
/** lookup an Id from symtable, if not found report compiling error */
int sTableLookupId(struct Node* node) {
SymbolTableEntry* entry = sTableTryLookupId(node);
if(entry == NULL) {
ERRNO = ErrorIdentifierUsedBeforeDeclaration;
errorInfo(ERRNO, node->line,"`%s' is not declared before.\n", node->lexval.sval);
return ERRNO;
}
node->symbol = entry;
node->type = entry->type;
return 0;
}
void execCd(char* path){
int k = chdir(path);
char newPath[BUFFER_SIZE];
if (k == 0) {
getcwd(newPath, BUFFER_SIZE);
send(recvfd, SUCCESS, BUFFER_SIZE, 0);
send(recvfd, newPath, BUFFER_SIZE, 0);
}
else {
send(recvfd, FAILURE, BUFFER_SIZE, 0);
errorInfo("chdir error!");
}
return;
}
void Process::check_error(QVariantMap const &error_info)
{
if (!rc())
return;
QVariantMap err = {{"msg", "Process error"}
, {"cmd", ps->program()}
, {"args", QVariant(ps->arguments())}
, {"rc", rc()}
, {"stderr", stderr()}
, {"stdout", stdout()}
, {"info", errorInfo()}};
err.unite(error_info);
error::raise(err);
}
int login(){
char username[BUFFER_SIZE],password[BUFFER_SIZE];
recv(recvfd, username, BUFFER_SIZE, 0);
recv(recvfd, password, BUFFER_SIZE, 0);
if(!strcmp(username, USERNAME) && !strcmp(password, PASSWORD)){
printf("Client:%d login successfully!\n",ntohs(client_addr.sin_port));
send(recvfd, SUCCESS, BUFFER_SIZE, 0);
}
else{
errorInfo("Client login failed!");
send(recvfd, FAILURE, BUFFER_SIZE, 0);
return -1;
}
return 0;
}
void RedisServer::handleDiscoveryInfoResponceEvent(events::DiscoveryInfoResponceEvent* ev) {
auto v = ev->value();
common::Error er = v.errorInfo();
if (!er) {
RedisServerInfo * rinf = dynamic_cast<RedisServerInfo*>(v.sinfo.get());
CHECK(rinf);
if (rinf->replication_.role_ == "master") {
role_ = MASTER;
} else if(rinf->replication_.role_ == "slave") {
role_ = SLAVE;
} else {
NOTREACHED();
}
}
IServer::handleDiscoveryInfoResponceEvent(ev);
}
/** insert a func_literal */
int sTableInsertFuncLiteral(struct Node* node) {
struct Node* declSpec = node->child[1];
struct Node* funcId = node->child[0]->child[0];
SymbolTableEntry* entry = sNewFunEty ( funcId->lexval.sval, FUNC_LITERAL_T, declSpec->lexval.ival, node->typeCon, node->scope[0], node->scope[1], node->line );
if ( sTableInsert( entry ) == ErrorSymbolTableKeyAlreadyExsit ) {
SymbolTableEntry * te = sTableLookup(entry->key);
ERRNO = ErrorIdentifierAlreadyDeclared;
errorInfo(ERRNO, node->line,"`%s' is already declared.\n", funcId->lexval.sval);
errorInfoNote("`%s' is first declared at line %d\n",
funcId->lexval.sval, te->line);
return ERRNO;
}
node->symbol = entry;
node->type = FUNC_T;
return 0;
}
/** lookup a func or func_literal, if not found report compiling error */
int sTableLookupFunc(struct Node* node) {
if(node->token != AST_FUNC_CALL) {
fprintf(stderr,"error: sTableLookupFunc: argument must be AST_FUNC_CALL\n");
exit(EXIT_FAILURE);
}
SymbolTableKey key;
SymbolTableEntry* entry;
struct Node* funcId = node->child[0];
// create key
sNewKey(funcId->lexval.sval, 0, key); // function always in scope 0
// try lookup in Symbol Table
entry = sTableLookup(key);
if(entry == NULL) {
ERRNO = ErrorFunctionCalledBeforeDeclaration;
errorInfo(ERRNO, node->line, "`");
FuncHead(funcId->lexval.sval, node->typeCon, ERRORIO);
errorInfoExt("' is not declared before.\n");
return ERRNO;
}
// if found, check parameter types
GArray* caller = node->typeCon;
GArray* ref = entry->typeCon;
int flag = 0;
/* if(entry->type == FUNC_T) { // if function
if(caller->len != ref->len) {
flag = (ERRNO = ErrorFunctionCallNOTEqualNumberOfParameters);
errorInfo(ERRNO, node->line, "function Call `");
FuncHead(funcId->lexval.sval, caller, ERRORIO);
errorInfoExt("' has inconsistent number of arguments to its declaration.\n");
}
else {
if ( checkTwoTypeCons(caller, ref) == 0 ) { // not equal
flag = (ERRNO = ErrorFunctionCallIncompatibleParameterType);
errorInfo(ERRNO, node->line, "function Call `");
FuncHead(funcId->lexval.sval, caller, ERRORIO);
errorInfoExt("' has incompatible arguments to its declaration.\n");
}
}
}
else if(entry->type == FUNC_LITERAL_T) { // func_literal
if ( checkTwoTypeConsExceptDyn(caller, ref) == 0 ) { // not equal
flag = (ERRNO = ErrorFuncLiteralCallIncompatibleParameterType);
errorInfo(ERRNO, node->line, "function literal Call `");
FuncHead(funcId->lexval.sval, caller, ERRORIO);
errorInfoExt("' has incompatible arguments to its declaration.\n");
}
}
else {
flag = (ERRNO = ErrorFunctionCalledBeforeDeclaration);
errorInfo(ERRNO, node->line,"`%s' is not declared as a function or function literal\n",funcId->lexval.sval );
errorInfoNote("`%s' is first declared at line %d\n",funcId->lexval.sval,entry->line);
return ERRNO;
}*/
if (flag == ErrorFunctionCallNOTEqualNumberOfParameters ||
flag == ErrorFunctionCallIncompatibleParameterType ||
flag == ErrorFuncLiteralCallIncompatibleParameterType ) {
errorInfoNote("function `");
FuncHead(funcId->lexval.sval, ref, ERRORIO);
errorInfoExt("' first declared at line %d\n",entry->line);
return ERRNO;
}
// found correct one
node->symbol = entry;
node->type = entry->rtype;
return 0;
}