File content as of revision 93:61d44636f020:

#include <string.h>
#include "SmartRestSocket.h"
#include "SmartRestConf.h"

//memset((void*)SmartRestSocket::cachedIP, 0, sizeof(SmartRestSocket::cachedIP));
char SmartRestSocket::cachedIP[16] = {0};

int SmartRestSocket::connect()
{
        int n = -1;
        ipLock.lock();
        for (size_t i = 0; i < 3; ++i) {
                if (cachedIP[0] == '\0') {
                        MDMParser::IP ip = mdm.gethostbyname(getHost());
                        if (ip == NOIP)
                                continue;
                        const unsigned char *c = (const unsigned char*)&ip;
                        snprintf(cachedIP, sizeof(cachedIP), "%u.%u.%u.%u", c[3], c[2], c[1], c[0]);
                }
                n = TCPSocketConnection::connect(cachedIP, getPort());
                if (n >= 0) {
                        break;
                } else {
                        cachedIP[0] = '\0';
                }
        }
        ipLock.unlock();
        return n;
}

int SmartRestSocket::sendOnly(char *buf, int size)
{
        int l = connect();
        if (l < 0)
                return -3;
        l = send(buf, size);
        close();
        if (l < 0) {
                return -2;
        } else {
                return l;
        }
}

int SmartRestSocket::sendAndReceive(char *buf, int size, int maxSize)
{
        int l = connect();
        if (l < 0)
                return -3;
        l = send(buf, size);
        if (l < 0) {
                close();
                return -2;
        } else {
                l = receive(buf, maxSize);
                close();
                return l;
        }
}