| 1 | // %flair:license{
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| 2 | // This file is part of the Flair framework distributed under the
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| 3 | // CECILL-C License, Version 1.0.
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| 4 | // %flair:license}
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| 5 | // created: 2015/04/21
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| 6 | // filename: ConnectedSocket.cpp
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| 7 | //
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| 8 | // author: Gildas Bayard
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| 9 | // Copyright Heudiasyc UMR UTC/CNRS 7253
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| 10 | //
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| 11 | // version: $Id: $
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| 12 | //
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| 13 | // purpose: Class defining a connected socket
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| 14 | //
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| 15 | //
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| 16 | /*********************************************************************/
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| 17 | #include "ConnectedSocket.h"
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| 18 | #include <string.h>
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| 19 | #include <stdexcept>
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| 20 |
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| 21 | using std::string;
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| 22 |
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| 23 | namespace flair {
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| 24 | namespace core {
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| 25 |
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| 26 | ConnectedSocket::ConnectedSocket(const Object *parent, const std::string name)
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| 27 | : Object(parent, name){};
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| 28 |
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| 29 | ConnectedSocket::~ConnectedSocket(){};
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| 30 |
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| 31 | uint16_t ConnectedSocket::ReadUInt16(Time const &timeout) {
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| 32 | char buffer[sizeof(uint16_t)];
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| 33 | size_t alreadyReceived = 0;
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| 34 | Time remainingTimeout = timeout; // ns
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| 35 | do {
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| 36 | Time beforeTime = GetTime(); // ns
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| 37 | ssize_t received =
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| 38 | RecvMessage(buffer + alreadyReceived,
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| 39 | sizeof(uint16_t) - alreadyReceived, remainingTimeout);
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| 40 | remainingTimeout -= GetTime() - beforeTime;
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| 41 | if ((received < 0) || (remainingTimeout < 0)) throw std::runtime_error("Timeout");
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| 42 | alreadyReceived += received;
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| 43 | } while (alreadyReceived != sizeof(uint16_t));
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| 44 | uint16_t *dataInNetworkEndianness = (uint16_t *)buffer;
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| 45 | uint16_t myinteger = NetworkToHost16(*dataInNetworkEndianness);
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| 46 | return myinteger;
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| 47 | }
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| 48 |
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| 49 | void ConnectedSocket::WriteUInt16(uint16_t const &data, Time const &timeout) {
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| 50 | uint16_t dataInNetworkEndianness = HostToNetwork16(data);
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| 51 | char *buffer = (char *)&dataInNetworkEndianness;
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| 52 | size_t alreadySent = 0;
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| 53 | Time remainingTimeout = timeout; // ns
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| 54 | do {
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| 55 | Time beforeTime = GetTime(); // ns
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| 56 | ssize_t sent = SendMessage(
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| 57 | buffer + alreadySent, sizeof(uint16_t) - alreadySent, remainingTimeout);
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| 58 | remainingTimeout -= GetTime() - beforeTime;
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| 59 | if ((sent < 0) || (remainingTimeout < 0))
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| 60 | throw std::runtime_error("Timeout");
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| 61 | alreadySent += sent;
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| 62 | } while (alreadySent != sizeof(uint16_t));
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| 63 | }
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| 64 |
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| 65 | uint32_t ConnectedSocket::ReadUInt32(Time const &timeout) {
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| 66 | char buffer[sizeof(uint32_t)];
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| 67 | size_t alreadyReceived = 0;
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| 68 | Time remainingTimeout = timeout; // ns
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| 69 | do {
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| 70 | Time beforeTime = GetTime(); // ns
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| 71 | ssize_t received =
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| 72 | RecvMessage(buffer + alreadyReceived,
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| 73 | sizeof(uint32_t) - alreadyReceived, remainingTimeout);
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| 74 | remainingTimeout -= GetTime() - beforeTime;
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| 75 | if ((received < 0) || (remainingTimeout < 0))
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| 76 | throw std::runtime_error("Timeout");
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| 77 | alreadyReceived += received;
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| 78 | } while (alreadyReceived != sizeof(uint32_t));
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| 79 | uint32_t *dataInNetworkEndianness = (uint32_t *)buffer;
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| 80 | uint32_t myinteger = NetworkToHost32(*dataInNetworkEndianness);
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| 81 | return myinteger;
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| 82 | }
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| 83 |
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| 84 | void ConnectedSocket::WriteUInt32(uint32_t const &data, Time const &timeout) {
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| 85 | uint32_t dataInNetworkEndianness = HostToNetwork32(data);
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| 86 | char *buffer = (char *)&dataInNetworkEndianness;
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| 87 | size_t alreadySent = 0;
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| 88 | Time remainingTimeout = timeout; // ns
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| 89 | do {
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| 90 | Time beforeTime = GetTime(); // ns
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| 91 | ssize_t sent = SendMessage(
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| 92 | buffer + alreadySent, sizeof(uint32_t) - alreadySent, remainingTimeout);
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| 93 | remainingTimeout -= GetTime() - beforeTime;
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| 94 | if ((sent < 0) || (remainingTimeout < 0))
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| 95 | throw std::runtime_error("Timeout");
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| 96 | alreadySent += sent;
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| 97 | } while (alreadySent != sizeof(uint32_t));
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| 98 | }
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| 99 |
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| 100 | string ConnectedSocket::ReadString(const size_t &stringSize, Time timeout) {
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| 101 | char buffer[stringSize + 1];
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| 102 | size_t alreadyReceived = 0;
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| 103 | Time remainingTimeout = timeout; // ms
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| 104 | do {
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| 105 | Time beforeTime = GetTime(); // ns
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| 106 | ssize_t received =
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| 107 | RecvMessage(buffer + alreadyReceived, stringSize - alreadyReceived,
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| 108 | remainingTimeout);
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| 109 | remainingTimeout -= GetTime() - beforeTime;
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| 110 | if ((received < 0) || (remainingTimeout < 0))
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| 111 | throw std::runtime_error("Timeout");
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| 112 | alreadyReceived += received;
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| 113 | } while (alreadyReceived != stringSize);
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| 114 | buffer[stringSize] = '\0';
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| 115 |
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| 116 | string mystring = buffer;
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| 117 | return mystring;
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| 118 | }
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| 119 |
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| 120 | } // end namespace core
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| 121 | } // end namespace flair
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