116 lines
2.9 KiB
C++
116 lines
2.9 KiB
C++
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#include "tserverproxy.h"
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#include <iostream.h>
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#include <Winsock.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <stdio.h>
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#include <memory.h>
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#include <time.h>
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#include <assert.h>
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using namespace std;
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//=============================================================================
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enum {
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OK,
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WSASTARTUP_FAILED,
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HOST_UNKNOWN,
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SOCKET_CREATION_FAILED,
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CONNECTION_FAILED,
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SEND_FAILED,
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RECEIVE_FAILED
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};
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//=============================================================================
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int askServer(string hostName, int portId, string question, string &answer) {
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struct hostent *he = gethostbyname(hostName.c_str());
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if (!he) return HOST_UNKNOWN;
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int socket_id = socket(AF_INET, SOCK_STREAM, 0);
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struct sockaddr_in addr;
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memset((char *)&addr, 0, sizeof addr);
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addr.sin_family = he->h_addrtype;
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addr.sin_port = htons(portId);
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memcpy((char *)&(addr.sin_addr), he->h_addr, he->h_length);
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int rcConnect = connect(socket_id, (struct sockaddr *)&(addr), sizeof addr);
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if (rcConnect == SOCKET_ERROR) return CONNECTION_FAILED;
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string message = question;
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int rcSend = send(socket_id, message.c_str(), message.size(), 0);
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if (rcSend == SOCKET_ERROR) return SEND_FAILED;
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char retBuffer[1024];
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memset(&retBuffer, 0, 1024);
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int rcRecv = recv(socket_id, retBuffer, sizeof(retBuffer) - 1, 0);
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if (rcRecv == SOCKET_ERROR) return RECEIVE_FAILED;
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retBuffer[rcRecv] = '\0';
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closesocket(socket_id);
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answer = retBuffer;
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return OK;
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}
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//=============================================================================
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TServerProxy::TServerProxy(const string hostName, int portId)
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: m_hostName(hostName), m_portId(portId) {
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#ifdef WIN32
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WSADATA wsaData;
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WORD wVersionRequested = MAKEWORD(1, 1);
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int irc = WSAStartup(wVersionRequested, &wsaData);
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#endif
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}
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//-----------------------------------------------------------------------------
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TServerProxy::~TServerProxy() {
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#ifdef WIN32
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WSACleanup();
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#endif
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}
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//-----------------------------------------------------------------------------
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bool TServerProxy::testConnection() const {
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struct hostent *he = gethostbyname(m_hostName.c_str());
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if (!he) return false;
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int socket_id = socket(AF_INET, SOCK_STREAM, 0);
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struct sockaddr_in addr;
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memset((char *)&addr, 0, sizeof addr);
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addr.sin_family = he->h_addrtype;
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addr.sin_port = htons(m_portId);
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memcpy((char *)&(addr.sin_addr), he->h_addr, he->h_length);
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bool ret = (SOCKET_ERROR !=
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connect(socket_id, (struct sockaddr *)&(addr), sizeof addr));
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closesocket(socket_id);
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return ret;
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}
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//-----------------------------------------------------------------------------
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int TServerProxy::exec(int argc, char *argv[], string &reply) {
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string cmd;
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assert(argc > 0);
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if (argc > 0) {
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cmd = argv[0];
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for (int i = 1; i < argc; ++i) {
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cmd += ",";
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cmd += argv[i];
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}
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}
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return askServer(m_hostName, m_portId, cmd, reply);
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}
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