Added sendRequestReceiveResponse(): static member for communication with

APISM, on ports 7777 and 7778.
Each request is immediately handled in a synchronous fashion.
Added several helper functions to format messages to be sent to APISM/ISMAS.
This commit is contained in:
Gerhard Hoffmann 2023-08-02 15:13:05 +02:00
parent 5c9c9dc917
commit a94606ca89
2 changed files with 399 additions and 28 deletions

View File

@ -3,6 +3,24 @@
#include <cstring>
#include <cstdio>
#include <errno.h>
#include <arpa/inet.h> // inet_addr()
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <string.h>
#include <strings.h> // bzero()
#include <sys/socket.h>
#include <unistd.h> // read(), write(), close()
#include <fcntl.h>
#include <QThread>
#include <QJsonDocument>
#include <QJsonObject>
#if 0
# $1: EVENT: U0001 update finished: 100%
# U0002 reset TRG
@ -24,6 +42,208 @@
#include <QDateTime>
#include <QDebug>
void IsmasClient::printDebugMessage(int port,
QString const &clientIP,
int clientPort,
QString const &message) {
qDebug().noquote()
<< "\n"
<< "SEND-REQUEST-RECEIVE-RESPONSE ..." << "\n"
<< "hostname ........" << "127.0.0.1" << "\n"
<< "port ............" << port << "\n"
<< "local address ..." << clientIP << "\n"
<< "local port ......" << clientPort << "\n"
<< message;
}
void IsmasClient::printInfoMessage(int port,
QString const &clientIP,
int clientPort,
QString const &message) {
qInfo().noquote()
<< "\n"
<< "SEND-REQUEST-RECEIVE-RESPONSE ..." << "\n"
<< "hostname ........" << "127.0.0.1" << "\n"
<< "port ............" << port << "\n"
<< "local address ..." << clientIP << "\n"
<< "local port ......" << clientPort << "\n"
<< message;
}
void IsmasClient::printErrorMessage(int port,
QString const &clientIP,
int clientPort,
QString const &message) {
qCritical().noquote()
<< "\n"
<< "SEND-REQUEST-RECEIVE-RESPONSE ..." << "\n"
<< "hostname ........" << "127.0.0.1" << "\n"
<< "port ............" << port << "\n"
<< "local address ..." << clientIP << "\n"
<< "local port ......" << clientPort << "\n"
<< message;
}
std::optional<QString>
IsmasClient::sendRequestReceiveResponse(int port, QString const &request) {
qInfo() << "REQUEST" << request;
int sockfd;
int r;
errno = 0;
// socket create and verification
if ((sockfd = ::socket(AF_INET, SOCK_STREAM, 0)) == -1) {
qCritical().noquote()
<< "\n"
<< "SEND-REQUEST-RECEIVE-RESPONSE ..." << "\n"
<< "SOCKET CREATION FAILED (" << strerror(errno) << ")";
return std::nullopt;
}
struct sockaddr_in servAddr;
bzero(&servAddr, sizeof(servAddr));
// assign IP, PORT
servAddr.sin_family = AF_INET;
servAddr.sin_addr.s_addr = inet_addr("127.0.0.1");
servAddr.sin_port = htons(port);
// connect the client socket to server socket
if ((r = ::connect(sockfd, (struct sockaddr *)(&servAddr), sizeof(servAddr))) != 0) {
qCritical().noquote()
<< "\n"
<< "SEND-REQUEST-RECEIVE-RESPONSE ..." << "\n"
<< "CONNECTION WITH SERVER FAILED (" << strerror(r) << ")";
::close(sockfd);
return std::nullopt;
}
struct sockaddr_in clientAddr;
bzero(&clientAddr, sizeof(clientAddr));
socklen_t sockLen = sizeof(clientAddr);
char clientIP[16];
bzero(&clientIP, sizeof(clientIP));
getsockname(sockfd, (struct sockaddr *)(&clientAddr), &sockLen);
inet_ntop(AF_INET, &clientAddr.sin_addr, clientIP, sizeof(clientIP));
unsigned int clientPort = ntohs(clientAddr.sin_port);
printDebugMessage(port, clientIP, clientPort, QString("CONNECTED TO SERVER"));
struct timeval tv;
tv.tv_sec = 10; /* 10 secs timeout for read and write */
struct linger so_linger;
so_linger.l_onoff = 1;
so_linger.l_linger = 0;
setsockopt(sockfd, SOL_SOCKET, SO_LINGER, &so_linger, sizeof(so_linger));
setsockopt(sockfd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv));
setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv));
int flag = 1;
setsockopt(sockfd, IPPROTO_TCP, TCP_NODELAY, (char *) &flag, sizeof(int));
static char buf[1024*8];
bzero(buf, sizeof(buf));
int const bytesToWrite = strlen(request.toStdString().c_str());
strncpy(buf, request.toStdString().c_str(), sizeof(buf)-1);
int bytesWritten = 0;
while (bytesWritten < bytesToWrite) {
int n = ::sendto(sockfd, buf+bytesWritten, bytesToWrite-bytesWritten, 0, NULL, 0);
if (n >= 0) {
bytesWritten += n;
} else {
if (errno == EWOULDBLOCK) {
printErrorMessage(port, clientIP, clientPort,
QString("TIMEOUT (") + strerror(errno) + ")");
::close(sockfd);
return std::nullopt;
} else
if (errno == EINTR) {
printErrorMessage(port, clientIP, clientPort,
QString("INTERRUPTED BY SIGNAL (1) (") + strerror(errno) + ")");
continue;
}
}
}
// DO NOT USE SHUTDOWN! APISM CAN NOT COPE WITH IT
// errno = 0;
// if (shutdown(sockfd, SHUT_WR) < 0) {
// printErrorMessage(port, clientIP, clientPort,
// QString("CANNOT CLOSE WRITING END (") + strerror(errno) + ")");
// }
printInfoMessage(port, clientIP, clientPort, QString("MESSAGE SENT ") + buf);
bzero(buf, sizeof(buf));
int bytesToRead = sizeof(buf)-1;
int bytesRead = 0;
while (bytesRead < bytesToRead) {
errno = 0;
int n = ::recvfrom(sockfd, buf+bytesRead, bytesToRead-bytesRead,
0, NULL, NULL);
if (n > 0) { //
bytesRead += n;
} else
if (n == 0) {
// The return value will be 0 when the peer has performed an orderly shutdown.
printErrorMessage(port, clientIP, clientPort,
QString("PEER CLOSED CONNECTION (") + strerror(errno) + ")");
::close(sockfd);
return std::nullopt;
} else
if (n < 0) {
if (errno == EWOULDBLOCK) {
printErrorMessage(port, clientIP, clientPort,
QString("TIMEOUT (") + strerror(errno) + ")");
::close(sockfd);
return std::nullopt;
}
if (errno == EINTR) {
printErrorMessage(port, clientIP, clientPort,
QString("INTERRUPTED BY SIGNAL (2) (") + strerror(errno) + ")");
continue;
}
}
printInfoMessage(port, clientIP, clientPort, QString("MESSAGE RECEIVED ") + buf);
QString response(buf);
if (int idx = response.indexOf("{\"error\":\"ISMAS is offline\"}")) {
response = response.mid(0, idx);
} else
if (response == "RECORD SAVED") {
printInfoMessage(port, clientIP, clientPort, "IGNORED 'RECORD SAVED' RESPONSE");
::close(sockfd);
return std::nullopt;
}
QJsonParseError parseError;
QJsonDocument document(QJsonDocument::fromJson(response.toUtf8(), &parseError));
if (parseError.error == QJsonParseError::NoError) {
if (document.isObject()) { // done: received valid APISM response
printInfoMessage(port, clientIP, clientPort,
QString("VALID APISM RESPONSE .. \n") + response);
::close(sockfd);
return response;
} else {
printInfoMessage(port, clientIP, clientPort,
QString("CORRUPTED RESPONSE ") + response);
::close(sockfd);
return std::nullopt;
}
} else {
printDebugMessage(port, clientIP, clientPort,
QString("PARSE ERROR ") + response + " " + parseError.errorString());
::close(sockfd);
return std::nullopt;
}
}
return std::nullopt;
}
QString IsmasClient::updateNewsToIsmas(char const *event,
int percent,
int resultCode,
@ -53,6 +273,54 @@ QString IsmasClient::updateNewsToIsmas(char const *event,
return buf;
}
QString IsmasClient::errorBackendNotConnected(QString const &info,
QString const &version) {
return updateNewsToIsmas("U0003",
m_progressInPercent,
RESULT_CODE::INSTALL_ERROR,
"CHECK BACKEND CONNECTIVITY",
info.toStdString().c_str(),
version.toStdString().c_str());
}
QString IsmasClient::backendConnected(QString const &info, QString const &version) {
return updateNewsToIsmas("U0010",
m_progressInPercent,
RESULT_CODE::SUCCESS,
"CHECK BACKEND CONNECTIVITY",
info.toStdString().c_str(),
version.toStdString().c_str());
}
QString IsmasClient::execOpkgCommand(QString const &info, QString const &version) {
return updateNewsToIsmas("U0010",
m_progressInPercent,
RESULT_CODE::SUCCESS,
"EXECUTE OPKG COMMAND",
info.toStdString().c_str(),
version.toStdString().c_str());
}
QString IsmasClient::updateTriggerSet(QString const &info, QString const &version) {
return updateNewsToIsmas("U0010",
m_progressInPercent,
RESULT_CODE::SUCCESS,
"CHECK UPDATE TRIGGER",
info.toStdString().c_str(),
version.toStdString().c_str());
}
QString IsmasClient::errorUpdateTrigger(QString const &info, QString const &version) {
return updateNewsToIsmas("U0003",
m_progressInPercent,
RESULT_CODE::INSTALL_ERROR,
"CHECK UPDATE TRIGGER",
info.toStdString().c_str(),
version.toStdString().c_str());
}
QString IsmasClient::updateOfPSASendVersion(PSAInstalled const &psa) {
//static int const constexpr SIZE = 4096*8;
static char buf[4096*2];
@ -376,39 +644,101 @@ QString IsmasClient::updateOfPSASendVersion(PSAInstalled const &psa) {
psa.pluginVersion.prmCalculatePriceConfigUi.toStdString().c_str(),
psa.pluginVersion.tcpZVT.toStdString().c_str());
printf("buf=%s\n", buf);
qInfo() << buf;
return buf;
}
QString IsmasClient::updateOfPSAActivated() {
QString IsmasClient::updateOfPSAContinues(QString currentStage,
QString currentStageInfo,
QString const &version) {
return updateNewsToIsmas("U0010",
1,
0,
"activated",
"detected WAIT state",
"1.0.0");
m_progressInPercent,
RESULT_CODE::SUCCESS,
currentStage.toStdString().c_str(),
currentStageInfo.toStdString().c_str(),
version.toStdString().c_str());
}
QString IsmasClient::updateOfPSASucceeded() {
QString IsmasClient::updateOfPSAStarted(QString const &version) {
return updateNewsToIsmas("U0010",
m_progressInPercent,
RESULT_CODE::SUCCESS,
"START",
"detected WAIT state: start update process",
version.toStdString().c_str());
}
QString IsmasClient::checkoutBranch(QString const &info, QString const &version) {
return updateNewsToIsmas("U0010",
m_progressInPercent,
RESULT_CODE::SUCCESS,
"BRANCH-CHECKOUT",
info.toStdString().c_str(),
version.toStdString().c_str());
}
QString IsmasClient::cloneAndCheckoutCustomerRepository(QString const &info, QString const &version) { // clone and checkout customer repository
return updateNewsToIsmas("U0010",
m_progressInPercent,
RESULT_CODE::SUCCESS,
"CLONE-CHECKOUT",
info.toStdString().c_str(),
version.toStdString().c_str());
}
QString IsmasClient::gitFetch(QString const &info, QString const &version) {
return updateNewsToIsmas("U0010",
m_progressInPercent,
RESULT_CODE::SUCCESS,
"GIT-FETCH",
info.toStdString().c_str(),
version.toStdString().c_str());
}
QString IsmasClient::errorGitFetch(int resultCode, QString const &info, QString const &version) {
return updateNewsToIsmas("U0003",
m_progressInPercent,
resultCode,
"GIT-FETCH-FAILED",
info.toStdString().c_str(),
version.toStdString().c_str());
}
QString IsmasClient::updateOfPSAActivated(QString const &version) { // sent even after success
m_progressInPercent = 0;
return updateNewsToIsmas("U0002",
m_progressInPercent,
RESULT_CODE::SUCCESS,
"UPDATE ACTIVATED",
"reset WAIT state",
version.toStdString().c_str());
}
QString IsmasClient::updateOfPSASucceeded(QString const &version) {
m_progressInPercent = 0;
return updateNewsToIsmas("U0001",
100,
0,
"update_succeeded",
"",
"1.0.0");
m_progressInPercent,
RESULT_CODE::SUCCESS,
"UPDATE SUCCESS",
"update process succeeded",
version.toStdString().c_str());
}
QString IsmasClient::setUpdatesAvailable() {
return updateNewsToIsmas("U0099",
10,
0,
"set_updates_available",
"",
"");
QString IsmasClient::sanityCheckFailed(int resultCode, QString reason, QString const &version) {
return updateNewsToIsmas("U0003",
m_progressInPercent,
resultCode,
"SANITY-CHECK-FAILED",
reason.toStdString().c_str(),
version.toStdString().c_str());
}
bool checkForAvailableUpdates();
QString IsmasClient::updateOfPSAFailed(int resultCode, QString reason, QString const &version) {
return updateNewsToIsmas("U0003",
m_progressInPercent,
resultCode,
"UPDATE ERROR",
reason.toStdString().c_str(),
version.toStdString().c_str());
}

View File

@ -111,7 +111,28 @@ struct PSAInstalled {
class IsmasClient : public QObject {
Q_OBJECT
int m_progressInPercent;
public:
explicit IsmasClient() : m_progressInPercent(1) {}
enum APISM {
DB_PORT = 7777,
DIRECT_PORT = 7778
};
enum RESULT_CODE {
SUCCESS=0,
NO_UPDATE_NECESSARY=1,
BACKUP_FAILED=2,
WRONG_PACKAGE=3,
INSTALL_ERROR=4};
static std::optional<QString>
sendRequestReceiveResponse(int port, QString const &request);
int getProgressInPercent() const {return m_progressInPercent; }
void setProgressInPercent(int procent) { m_progressInPercent = procent; }
QString updateNewsToIsmas(char const *event,
int percent,
int resultCode,
@ -119,12 +140,32 @@ public:
char const *step_result,
char const *version);
QString updateOfPSAActivated();
QString updateOfPSASucceeded();
QString updateOfPSAStarted(QString const &version = QString()); // start of update process
QString cloneAndCheckoutCustomerRepository(QString const &info, QString const &version = QString()); // clone and checkout customer repository
QString checkoutBranch(QString const &info, QString const &version = QString()); // checkout branch
QString errorBackendNotConnected(QString const &info, QString const &version = QString()); // checkout branch
QString backendConnected(QString const &info, QString const &version = QString());
QString updateTriggerSet(QString const &info, QString const &version = QString());
QString errorUpdateTrigger(QString const &info, QString const &version = QString());
QString gitFetch(QString const &info, QString const &version = QString());
QString execOpkgCommand(QString const &info, QString const &version = QString());
QString errorGitFetch(int resultCode, QString const &info, QString const &version = QString());
QString updateOfPSAActivated(QString const &version = QString());
// and update accepted
QString updateOfPSASucceeded(QString const &version = QString()); // update process succeeded
QString updateOfPSAContinues(QString currentStage, QString currentStageInfo, QString const &version = QString());
QString updateOfPSAFailed(int resultCode, QString reason, QString const &version = QString());
QString sanityCheckFailed(int resultCode, QString reason, QString const &version = QString());
QString updateOfPSASendVersion(PSAInstalled const &psa);
QString setUpdatesAvailable();
bool checkForAvailableUpdates();
private:
static void printDebugMessage(int port, QString const &clientIP, int clientPort,
QString const &message);
static void printInfoMessage(int port, QString const &clientIP, int clientPort,
QString const &message);
static void printErrorMessage(int port, QString const &clientIP, int clientPort,
QString const &message);
};
#endif // ISMAS_CLIENT_H_INCLUDED