-
Notifications
You must be signed in to change notification settings - Fork 18
/
Copy pathhttp_tcpServer_linux.cpp
145 lines (118 loc) · 3.95 KB
/
http_tcpServer_linux.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
#include <http_tcpServer_linux.h>
#include <iostream>
#include <sstream>
#include <unistd.h>
namespace
{
const int BUFFER_SIZE = 30720;
void log(const std::string &message)
{
std::cout << message << std::endl;
}
void exitWithError(const std::string &errorMessage)
{
log("ERROR: " + errorMessage);
exit(1);
}
}
namespace http
{
TcpServer::TcpServer(std::string ip_address, int port) : m_ip_address(ip_address), m_port(port), m_socket(), m_new_socket(),
m_incomingMessage(),
m_socketAddress(), m_socketAddress_len(sizeof(m_socketAddress)),
m_serverMessage(buildResponse())
{
m_socketAddress.sin_family = AF_INET;
m_socketAddress.sin_port = htons(m_port);
m_socketAddress.sin_addr.s_addr = inet_addr(m_ip_address.c_str());
if (startServer() != 0)
{
std::ostringstream ss;
ss << "Failed to start server with PORT: " << ntohs(m_socketAddress.sin_port);
log(ss.str());
}
}
TcpServer::~TcpServer()
{
closeServer();
}
int TcpServer::startServer()
{
m_socket = socket(AF_INET, SOCK_STREAM, 0);
if (m_socket < 0)
{
exitWithError("Cannot create socket");
return 1;
}
if (bind(m_socket, (sockaddr *)&m_socketAddress, m_socketAddress_len) < 0)
{
exitWithError("Cannot connect socket to address");
return 1;
}
return 0;
}
void TcpServer::closeServer()
{
close(m_socket);
close(m_new_socket);
exit(0);
}
void TcpServer::startListen()
{
if (listen(m_socket, 20) < 0)
{
exitWithError("Socket listen failed");
}
std::ostringstream ss;
ss << "\n*** Listening on ADDRESS: " << inet_ntoa(m_socketAddress.sin_addr) << " PORT: " << ntohs(m_socketAddress.sin_port) << " ***\n\n";
log(ss.str());
int bytesReceived;
while (true)
{
log("====== Waiting for a new connection ======\n\n\n");
acceptConnection(m_new_socket);
char buffer[BUFFER_SIZE] = {0};
bytesReceived = read(m_new_socket, buffer, BUFFER_SIZE);
if (bytesReceived < 0)
{
exitWithError("Failed to read bytes from client socket connection");
}
std::ostringstream ss;
ss << "------ Received Request from client ------\n\n";
log(ss.str());
sendResponse();
close(m_new_socket);
}
}
void TcpServer::acceptConnection(int &new_socket)
{
new_socket = accept(m_socket, (sockaddr *)&m_socketAddress, &m_socketAddress_len);
if (new_socket < 0)
{
std::ostringstream ss;
ss << "Server failed to accept incoming connection from ADDRESS: " << inet_ntoa(m_socketAddress.sin_addr) << "; PORT: " << ntohs(m_socketAddress.sin_port);
exitWithError(ss.str());
}
}
std::string TcpServer::buildResponse()
{
std::string htmlFile = "<!DOCTYPE html><html lang=\"en\"><body><h1> HOME </h1><p> Hello from your Server :) </p></body></html>";
std::ostringstream ss;
ss << "HTTP/1.1 200 OK\nContent-Type: text/html\nContent-Length: " << htmlFile.size() << "\n\n"
<< htmlFile;
return ss.str();
}
void TcpServer::sendResponse()
{
long bytesSent;
bytesSent = write(m_new_socket, m_serverMessage.c_str(), m_serverMessage.size());
if (bytesSent == m_serverMessage.size())
{
log("------ Server Response sent to client ------\n\n");
}
else
{
log("Error sending response to client");
}
}
} // namespace http