void Socket::connect(const char* server, int port)
{
my_addr.sin_port = htons(port);
my_addr.sin_addr = *getHostByName(server);
memset(my_addr.sin_zero, '\0', sizeof(my_addr.sin_zero));
int n = ::connect(sockfd, (struct sockaddr *)&my_addr, sizeof(my_addr));
if(n == -1) error(n);
}
const char* Socket::getHostName()
{
char name[256];
int n = gethostname(name, sizeof(name));
if(n == -1) throw(n);
return inet_ntoa(*getHostByName(name));
}
error_t sntpClientTest(void)
{
error_t error;
time_t unixTime;
IpAddr ipAddr;
NtpTimestamp timestamp;
DateTime date;
//Debug message
TRACE_INFO("\r\n\r\nResolving server name...\r\n");
//Resolve SNTP server name
error = getHostByName(NULL, "0.fr.pool.ntp.org", &ipAddr, 0);
//Any error to report?
if(error)
{
//Debug message
TRACE_INFO("Failed to resolve server name!\r\n");
//Exit immediately
return error;
}
//Debug message
TRACE_INFO("Requesting time from SNTP server %s\r\n", ipAddrToString(&ipAddr, NULL));
//Retrieve current time from NTP server using SNTP protocol
error = sntpClientGetTimestamp(NULL, &ipAddr, ×tamp);
//Any error to report?
if(error)
{
//Debug message
TRACE_INFO("Failed to retrieve NTP timestamp!\r\n");
}
else
{
//Unix time starts on January 1st, 1970
unixTime = timestamp.seconds - 2208988800;
//Convert Unix timestamp to date
convertUnixTimeToDate(unixTime, &date);
//Debug message
TRACE_INFO("Current date/time: %s\r\n", formatDate(&date, NULL));
//Move cursor
lcdSetCursor(8, 0);
//Refresh LCD display
printf("%04u/%02u/%02u %02u:%02u:%02u", date.year, date.month,
date.day, date.hours, date.minutes, date.seconds);
}
//Return status code
return error;
}
int WiFiDrv::getHostByName(const char *aHostname, IPAddress &aResult)
{
uint8_t retry = 10;
if ( reqHostByName(aHostname) ) {
while ( !getHostByName(aResult) && --retry > 0 ) {
delay(1000);
}
} else {
return 0;
}
return retry > 0;
}
int_t gethostbyname(const char_t *name, hostent *info)
{
error_t error;
IpAddr ipAddr;
//Check input parameters
if(!name || !info)
return ERROR_INVALID_PARAMETER;
//Resolve host address
error = getHostByName(NULL, name, &ipAddr, 1, NULL, 0);
//Address resolution failed?
if(error) return error;
#if (IPV4_SUPPORT == ENABLED)
//IPv4 address?
if(ipAddr.length == sizeof(Ipv4Addr))
{
//Set address family
info->h_addrtype = AF_INET;
//Copy IPv4 address
info->h_length = sizeof(Ipv4Addr);
ipv4CopyAddr(info->h_addr, &ipAddr.ipv4Addr);
}
else
#endif
#if (IPV6_SUPPORT == ENABLED)
//IPv6 address?
if(ipAddr.length == sizeof(Ipv6Addr))
{
//Set address family
info->h_addrtype = AF_INET6;
//Copy IPv6 address
info->h_length = sizeof(Ipv6Addr);
ipv6CopyAddr(info->h_addr, &ipAddr.ipv6Addr);
}
else
#endif
//Invalid address?
{
//Report an error
return ERROR_FAILURE;
}
//Successful processing
return NO_ERROR;
}
PRStatus
initAddr (PRNetAddr* addr, const char* host, int port = -1)
{
std::string sHost = host;
if (PR_StringToNetAddr(sHost.c_str(), addr) == PR_FAILURE) {
std::string sIp;
std::string sPort;
if (sHost[0] == '[') {
sIp = sHost.substr(1, sHost.find_last_of("]")-1);
sPort = sHost.substr(sHost.find_last_of("]")+2);
}
else {
sIp = sHost.substr(0, sHost.find_last_of(":"));
sPort = sHost.substr(sHost.find_last_of(":")+1);
}
if (!sPort.empty()) {
int tmp = atoi(sPort.c_str());
if (tmp >= 1 && tmp <= 65536) {
port = tmp;
}
}
if (PR_StringToNetAddr(sIp.c_str(), addr) == PR_FAILURE) {
char* ip = getHostByName(sIp.c_str());
if (ip == NULL) {
return PR_FAILURE;
}
sIp = ip; delete [] ip;
if (PR_StringToNetAddr(sIp.c_str(), addr) == PR_FAILURE) {
return PR_FAILURE;
}
}
}
if (port >= 1 && port <= 65536) {
PR_InitializeNetAddr(PR_IpAddrNull, port, addr);
}
return PR_SUCCESS;
}
Status SocketHelper::createSocket(char *host, int port) {
snprintf(logMsg, BUFFER_SIZE, "%s", __func__);
callJavaMethod();
if (strlen(host) >= sizeof(socketHost)) {
LOGE("%s: socket host is too long !", __func__);
return ERROR;
}
strncpy(socketHost, host, strlen(host));
if (isConvert) {
if (getHostByName(host) == ERROR) {
return ERROR;
}
} else {
strncpy(socketIP, host, strlen(host));
}
LOGI("%s: socketHost = %s", __func__, socketHost);
socketfd = socket(AF_INET, SOCK_STREAM, 0);
if (socketfd < 0) {
LOGE("%s: socket create fail !", __func__);
return ERROR;
}
LOGI("%s: socketfd = %d", __func__, socketfd);
socket_addr.addr4.sin_family = AF_INET; // AF_INET6 for IPV6
socket_addr.addr4.sin_port = htons(port); // ntohs(network to host short)
// socket_addr.addr4.sin_addr.s_addr = inet_addr(socketIP); // in_addr_t
// inet_aton(socketIP, &socket_addr.addr4.sin_addr);
inet_pton(AF_INET, socketIP, &socket_addr.addr4.sin_addr);
// LOGI("%s: ip = %s, port = %d", __func__, inet_ntoa(socket_addr.addr4.sin_addr), port);
char buffer[64];
inet_ntop(AF_INET, &socket_addr.addr4.sin_addr, buffer, sizeof(buffer));
LOGI("%s: socketIP = %s, socketPort = %d", __func__, buffer, port);
return OK;
}
error_t ftpClientTest(void)
{
error_t error;
size_t length;
IpAddr ipAddr;
FtpClientContext ftpContext;
static char_t buffer[256];
//Debug message
TRACE_INFO("\r\n\r\nResolving server name...\r\n");
//Resolve FTP server name
error = getHostByName(NULL, "ftp.gnu.org", &ipAddr, 0);
//Any error to report?
if(error)
{
//Debug message
TRACE_INFO("Failed to resolve server name!\r\n");
//Exit immediately
return error;
}
//Debug message
TRACE_INFO("Connecting to FTP server %s\r\n", ipAddrToString(&ipAddr, NULL));
//Connect to the FTP server
error = ftpConnect(&ftpContext, NULL, &ipAddr, 21, FTP_NO_SECURITY | FTP_PASSIVE_MODE);
//Any error to report?
if(error)
{
//Debug message
TRACE_INFO("Failed to connect to FTP server!\r\n");
//Exit immediately
return error;
}
//Debug message
TRACE_INFO("Successful connection\r\n");
//Start of exception handling block
do
{
//Login to the FTP server using the provided username and password
error = ftpLogin(&ftpContext, "anonymous", "password", "");
//Any error to report?
if(error) break;
//Open the specified file for reading
error = ftpOpenFile(&ftpContext, "welcome.msg", FTP_FOR_READING | FTP_BINARY_TYPE);
//Any error to report?
if(error) break;
//Dump the contents of the file
while(1)
{
//Read data
error = ftpReadFile(&ftpContext, buffer, sizeof(buffer) - 1, &length, 0);
//End of file?
if(error) break;
//Properly terminate the string with a NULL character
buffer[length] = '\0';
//Dump current data
TRACE_INFO("%s", buffer);
}
//End the string with a line feed
TRACE_INFO("\r\n");
//Close the file
error = ftpCloseFile(&ftpContext);
//End of exception handling block
} while(0);
//Close the connection
ftpClose(&ftpContext);
//Debug message
TRACE_INFO("Connection closed...\r\n");
//Return status code
return error;
}
error_t sslClientTest(void)
{
error_t error;
size_t length;
IpAddr ipAddr;
static char_t buffer[256];
//Underlying socket
Socket *socket = NULL;
//SSL/TLS context
TlsContext *tlsContext = NULL;
//Debug message
TRACE_INFO("Resolving server name...\r\n");
//Resolve SSL server name
error = getHostByName(NULL, APP_SERVER_NAME, &ipAddr, 0);
//Any error to report?
if(error)
{
//Debug message
TRACE_INFO("Failed to resolve server name!\r\n");
//Exit immediately
return error;
}
//Create a new socket to handle the request
socket = socketOpen(SOCKET_TYPE_STREAM, SOCKET_IP_PROTO_TCP);
//Any error to report?
if(!socket)
{
//Debug message
TRACE_INFO("Failed to open socket!\r\n");
//Exit immediately
return ERROR_OPEN_FAILED;
}
//Start of exception handling block
do
{
//Debug message
TRACE_INFO("Connecting to SSL server %s\r\n", ipAddrToString(&ipAddr, NULL));
//Connect to the SSL server
error = socketConnect(socket, &ipAddr, APP_SERVER_PORT);
//Any error to report?
if(error) break;
//Initialize SSL/TLS context
tlsContext = tlsInit();
//Initialization failed?
if(!tlsContext)
{
//Report an error
error = ERROR_OUT_OF_MEMORY;
//Exit immediately
break;
}
//Bind TLS to the relevant socket
error = tlsSetSocket(tlsContext, socket);
//Any error to report?
if(error) break;
//Select client operation mode
error = tlsSetConnectionEnd(tlsContext, TLS_CONNECTION_END_CLIENT);
//Any error to report?
if(error) break;
//Set the PRNG algorithm to be used
error = tlsSetPrng(tlsContext, YARROW_PRNG_ALGO, &yarrowContext);
//Any error to report?
if(error) break;
#if (APP_SET_CIPHER_SUITES == ENABLED)
//Preferred cipher suite list
error = tlsSetCipherSuites(tlsContext, cipherSuites, arraysize(cipherSuites));
//Any error to report?
if(error) break;
#endif
#if (APP_SET_SERVER_NAME == ENABLED)
//Set the fully qualified domain name of the server
error = tlsSetServerName(tlsContext, APP_SERVER_NAME);
//Any error to report?
if(error) break;
#endif
#if (APP_SET_TRUSTED_CA_LIST == ENABLED)
//Import the list of trusted CA certificates
error = tlsSetTrustedCaList(tlsContext, trustedCaList, trustedCaListLength);
//Any error to report?
if(error) break;
#endif
#if (APP_SET_CLIENT_CERT == ENABLED)
//Import the client's certificate
error = tlsAddCertificate(tlsContext, clientCert,
clientCertLength, clientPrivateKey, clientPrivateKeyLength);
//Any error to report?
if(error) break;
#endif
//Establish a secure session
error = tlsConnect(tlsContext);
//TLS handshake failure?
if(error) break;
//Format HTTP request
sprintf(buffer, "GET %s HTTP/1.0\r\nHost: %s:%u\r\n\r\n",
APP_REQUEST_URI, APP_SERVER_NAME, APP_SERVER_PORT);
//Debug message
TRACE_INFO("\r\n");
TRACE_INFO("HTTP request:\r\n%s", buffer);
//Send the request
error = tlsWrite(tlsContext, buffer, strlen(buffer), 0);
//Any error to report?
if(error) break;
//Debug message
TRACE_INFO("HTTP response:\r\n");
//Read the whole response
while(1)
{
//Read data
error = tlsRead(tlsContext, buffer, sizeof(buffer) - 1, &length, 0);
//End of stream?
if(error) break;
//Properly terminate the string with a NULL character
buffer[length] = '\0';
//Debug message
TRACE_INFO("%s", buffer);
}
//Successfull processing
error = NO_ERROR;
//End of exception handling block
} while(0);
//Any error to report?
if(error)
{
//Debug message
TRACE_INFO("Failed to communicate with SSL server!\r\n");
}
//Terminate TLS session
tlsFree(tlsContext);
//Close socket
socketClose(socket);
//Debug message
TRACE_INFO("Connection closed...\r\n");
//Return status code
return error;
}
error_t smtpSendMail(const SmtpAuthInfo *authInfo, const SmtpMail *mail)
{
error_t error;
uint_t i;
uint_t replyCode;
IpAddr serverIpAddr;
SmtpClientContext *context;
//Check parameters
if(!authInfo || !mail)
return ERROR_INVALID_PARAMETER;
//Make sure the server name is valid
if(!authInfo->serverName)
return ERROR_INVALID_PARAMETER;
//Debug message
TRACE_INFO("Sending a mail to %s port %" PRIu16 "...\r\n",
authInfo->serverName, authInfo->serverPort);
//The specified SMTP server can be either an IP or a host name
error = getHostByName(authInfo->interface,
authInfo->serverName, &serverIpAddr, 0);
//Unable to resolve server name?
if(error)
return ERROR_NAME_RESOLUTION_FAILED;
//Allocate a memory buffer to hold the SMTP client context
context = osAllocMem(sizeof(SmtpClientContext));
//Failed to allocate memory?
if(!context)
return ERROR_OUT_OF_MEMORY;
//Open a TCP socket
context->socket = socketOpen(SOCKET_TYPE_STREAM, SOCKET_IP_PROTO_TCP);
//Failed to open socket?
if(!context->socket)
{
//Free previously allocated resources
osFreeMem(context);
//Report an error
return ERROR_OPEN_FAILED;
}
#if (SMTP_TLS_SUPPORT == ENABLED)
//Do not use SSL/TLS for the moment
context->tlsContext = NULL;
#endif
//Start of exception handling block
do
{
//Bind the socket to a particular network interface?
if(authInfo->interface)
{
//Associate the socket with the relevant interface
error = socketBindToInterface(context->socket, authInfo->interface);
//Any error to report?
if(error) break;
}
//Set timeout for blocking operations
error = socketSetTimeout(context->socket, SMTP_DEFAULT_TIMEOUT);
//Any error to report?
if(error) break;
//Connect to the SMTP server
error = socketConnect(context->socket, &serverIpAddr, authInfo->serverPort);
//Connection to server failed?
if(error) break;
#if (SMTP_TLS_SUPPORT == ENABLED)
//Open a secure SSL/TLS session?
if(authInfo->useTls)
{
//Initialize TLS context
context->tlsContext = tlsInit();
//Initialization failed?
if(!context->tlsContext)
{
//Unable to allocate memory
error = ERROR_OUT_OF_MEMORY;
//Stop immediately
break;
}
//Bind TLS to the relevant socket
error = tlsSetSocket(context->tlsContext, context->socket);
//Any error to report?
if(error) break;
//Select client operation mode
error = tlsSetConnectionEnd(context->tlsContext, TLS_CONNECTION_END_CLIENT);
//Any error to report?
if(error) break;
//Set the PRNG algorithm to be used
error = tlsSetPrng(context->tlsContext, authInfo->prngAlgo, authInfo->prngContext);
//Any error to report?
if(error) break;
//Perform TLS handshake
error = tlsConnect(context->tlsContext);
//Failed to established a TLS session?
if(error) break;
}
#endif
//Wait for the connection greeting reply
error = smtpSendCommand(context, NULL, &replyCode, NULL);
//Any communication error to report?
if(error) break;
//Check whether the greeting message was properly received
if(!SMTP_REPLY_CODE_2YZ(replyCode))
{
//An unexpected response was received...
error = ERROR_UNEXPECTED_RESPONSE;
//Stop immediately
break;
}
//Clear security features
context->authLoginSupported = FALSE;
context->authPlainSupported = FALSE;
context->authCramMd5Supported = FALSE;
context->startTlsSupported = FALSE;
//Send EHLO command and parse server response
error = smtpSendCommand(context, "EHLO [127.0.0.1]\r\n",
&replyCode, smtpEhloReplyCallback);
//Any communication error to report?
if(error) break;
//Check SMTP response code
if(!SMTP_REPLY_CODE_2YZ(replyCode))
{
//An unexpected response was received...
error = ERROR_UNEXPECTED_RESPONSE;
//Stop immediately
break;
}
#if (SMTP_TLS_SUPPORT == ENABLED)
//Check whether the STARTTLS command is supported
if(context->startTlsSupported && !context->tlsContext)
{
//Send STARTTLS command
error = smtpSendCommand(context, "STARTTLS\r\n", &replyCode, NULL);
//Any communication error to report?
if(error) break;
//Check SMTP response code
if(!SMTP_REPLY_CODE_2YZ(replyCode))
{
//An unexpected response was received...
error = ERROR_UNEXPECTED_RESPONSE;
//Stop immediately
break;
}
//Initialize TLS context
context->tlsContext = tlsInit();
//Initialization failed?
if(!context->tlsContext)
{
//Unable to allocate memory
error = ERROR_OUT_OF_MEMORY;
//Stop immediately
break;
}
//Bind TLS to the relevant socket
error = tlsSetSocket(context->tlsContext, context->socket);
//Any error to report?
if(error) break;
//Select client operation mode
error = tlsSetConnectionEnd(context->tlsContext, TLS_CONNECTION_END_CLIENT);
//Any error to report?
if(error) break;
//Set the PRNG algorithm to be used
error = tlsSetPrng(context->tlsContext, authInfo->prngAlgo, authInfo->prngContext);
//Any error to report?
if(error) break;
//Perform TLS handshake
error = tlsConnect(context->tlsContext);
//Failed to established a TLS session?
if(error) break;
//Clear security features
context->authLoginSupported = FALSE;
context->authPlainSupported = FALSE;
context->authCramMd5Supported = FALSE;
//Send EHLO command and parse server response
error = smtpSendCommand(context, "EHLO [127.0.0.1]\r\n",
&replyCode, smtpEhloReplyCallback);
//Any communication error to report?
if(error) break;
//Check SMTP response code
if(!SMTP_REPLY_CODE_2YZ(replyCode))
{
//An unexpected response was received...
error = ERROR_UNEXPECTED_RESPONSE;
//Stop immediately
break;
}
}
#endif
//Authentication requires a valid user name and password
if(authInfo->userName && authInfo->password)
{
#if (SMTP_LOGIN_AUTH_SUPPORT == ENABLED)
//LOGIN authentication mechanism supported?
if(context->authLoginSupported)
{
//Perform LOGIN authentication
error = smtpSendAuthLogin(context, authInfo);
//Authentication failed?
if(error) break;
}
else
#endif
#if (SMTP_PLAIN_AUTH_SUPPORT == ENABLED)
//PLAIN authentication mechanism supported?
if(context->authPlainSupported)
{
//Perform PLAIN authentication
error = smtpSendAuthPlain(context, authInfo);
//Authentication failed?
if(error) break;
}
else
#endif
#if (SMTP_CRAM_MD5_AUTH_SUPPORT == ENABLED)
//CRAM-MD5 authentication mechanism supported?
if(context->authCramMd5Supported)
{
//Perform CRAM-MD5 authentication
error = smtpSendAuthCramMd5(context, authInfo);
//Authentication failed?
if(error) break;
}
else
#endif
//No authentication mechanism supported?
{
//Skip authentication step
}
}
//Format the MAIL FROM command (a null return path must be accepted)
if(mail->from.addr)
sprintf(context->buffer, "MAIL FROM:<%s>\r\n", mail->from.addr);
else
strcpy(context->buffer, "MAIL FROM:<>\r\n");
//Send the command to the server
error = smtpSendCommand(context, context->buffer, &replyCode, NULL);
//Any communication error to report?
if(error) break;
//Check SMTP response code
if(!SMTP_REPLY_CODE_2YZ(replyCode))
{
//An unexpected response was received...
error = ERROR_UNEXPECTED_RESPONSE;
//Stop immediately
break;
}
//Format the RCPT TO command
for(i = 0; i < mail->recipientCount; i++)
{
//Skip recipient addresses that are not valid
if(!mail->recipients[i].addr)
continue;
//Format the RCPT TO command
sprintf(context->buffer, "RCPT TO:<%s>\r\n", mail->recipients[i].addr);
//Send the command to the server
error = smtpSendCommand(context, context->buffer, &replyCode, NULL);
//Any communication error to report?
if(error) break;
//Check SMTP response code
if(!SMTP_REPLY_CODE_2YZ(replyCode))
{
//An unexpected response was received...
error = ERROR_UNEXPECTED_RESPONSE;
//Stop immediately
break;
}
}
//Propagate exception if necessary
if(error) break;
//Send message body
error = smtpSendData(context, mail);
//Any error to report?
if(error) break;
//End of exception handling block
} while(0);
//Check status code
if(error == NO_ERROR ||
error == ERROR_UNEXPECTED_RESPONSE ||
error == ERROR_AUTHENTICATION_FAILED)
{
//Properly disconnect from the SMTP server
smtpSendCommand(context, "QUIT\r\n", &replyCode, NULL);
}
#if (SMTP_TLS_SUPPORT == ENABLED)
//Gracefully close SSL/TLS session
if(context->tlsContext != NULL)
tlsFree(context->tlsContext);
#endif
//Close socket
socketClose(context->socket);
//Clean up previously allocated resources
osFreeMem(context);
//Return status code
return error;
}
NetworkAddress * NetworkAddress_New(const char * uri, int uriLength)
{
NetworkAddress * result = NULL;
if (uri && uriLength > 0)
{
if (!result)
{
bool secure = false;
int index = 0;
int startIndex = 0;
int port = 5683;
char hostname[MAX_URI_LENGTH];
int hostnameLength = 0;
UriParseState state = UriParseState_Scheme;
while (index < uriLength)
{
if (state == UriParseState_Scheme)
{
if ((uri[index] == ':') && ((index + 2) < uriLength) && (uri[index+1] == '/') && (uri[index+2] == '/'))
{
int length = index - startIndex;
if ((length == 4) && (strncmp(&uri[startIndex],"coap", length) == 0))
{
}
else if ((length == 5) && (strncmp(&uri[startIndex],"coaps", length) == 0))
{
port = 5684;
secure = true;
}
else
{
break;
}
state = UriParseState_Hostname;
index += 2;
startIndex = index + 1;
}
index++;
}
else if (state == UriParseState_Hostname)
{
if ((uri[index] == '[') )
{
index++;
startIndex = index;
while (index < uriLength)
{
if (uri[index] == ']')
{
break;
}
hostname[hostnameLength] = uri[index];
hostnameLength++;
index++;
}
}
else if ((uri[index] == ':') || (uri[index] == '/') )
{
hostname[hostnameLength] = 0;
if (uri[index] == '/')
break;
state = UriParseState_Port;
port = 0;
startIndex = index + 1;
}
else
{
hostname[hostnameLength] = uri[index];
hostnameLength++;
}
index++;
}
else if (state == UriParseState_Port)
{
if (uri[index] == '/')
{
break;
}
else if (isdigit(uri[index]))
{
port = (port * 10) + (uri[index] - '0');
}
index++;
}
}
if (state == UriParseState_Hostname)
{
hostname[hostnameLength] = 0;
}
if (hostnameLength > 0 && port > 0)
{
uip_ipaddr_t * resolvedAddress = getHostByName(hostname);
if (resolvedAddress)
{
NetworkAddress * networkAddress = getCachedAddress(resolvedAddress, port);
if(!networkAddress)
{
networkAddress = addCachedAddress(resolvedAddress, port, secure);
}
if (networkAddress)
{
result = networkAddress;
}
}
}
}
if(result)
{
result->useCount++;
}
}
return result;
}
error_t icecastClientConnect(IcecastClientContext *context)
{
error_t error;
size_t length;
IpAddr serverIpAddr;
//Icecast request template
const char_t requestTemplate[] =
"GET /%s HTTP/1.1\r\n"
"Host: %s\r\n"
"User-agent: UserAgent\r\n"
"Icy-MetaData: 1\r\n"
"Connection: close\r\n"
"\r\n";
//The specified Icecast server can be either an IP or a host name
error = getHostByName(context->settings.interface,
context->settings.serverName, &serverIpAddr, 1, NULL, 0);
//Unable to resolve server name?
if(error) return error;
//Open a TCP socket
context->socket = socketOpen(SOCKET_TYPE_STREAM, SOCKET_PROTOCOL_TCP);
//Failed to open socket?
if(!context->socket) return ERROR_OUT_OF_RESOURCES;
//Start of exception handling block
do
{
//Adjust receive timeout
error = socketSetTimeout(context->socket, ICECAST_CLIENT_TIMEOUT);
//Any error to report?
if(error) return error;
//Connect to the specified Icecast server
error = socketConnect(context->socket, &serverIpAddr, context->settings.serverPort);
//Connection with server failed?
if(error) return error;
//Format Icecast request
length = sprintf(context->buffer, requestTemplate,
context->settings.resource, context->settings.serverName);
//Debug message
TRACE_DEBUG(context->buffer);
//Send Icecast request
error = socketSend(context->socket, context->buffer,
length, NULL, SOCKET_FLAG_WAIT_ACK);
//Failed to send the request?
if(error) return error;
//Parse response header
while(1)
{
char_t *separator;
char_t *property;
char_t *value;
//Read a line from the response header
error = socketReceive(context->socket, context->buffer,
ICECAST_CLIENT_METADATA_MAX_SIZE, &length, SOCKET_FLAG_BREAK_CRLF);
//Failed to read data?
if(error)
break;
//Properly terminate the string with a NULL character
context->buffer[length] = '\0';
//The end of the header has been reached?
if(!strcmp(context->buffer, "\r\n"))
break;
//Check whether a separator is present
separator = strchr(context->buffer, ':');
//Separator found?
if(separator)
{
//Split the line
*separator = '\0';
//Get property name and value
property = strTrimWhitespace(context->buffer);
value = strTrimWhitespace(separator + 1);
//Debug message
TRACE_INFO("<%s>=<%s>\r\n", property, value);
//Icy-Metaint property found?
if(!strcasecmp(property, "Icy-Metaint"))
context->blockSize = atoi(value);
}
}
//End of exception handling block
} while(0);
//Check whether an error occurred
if(error)
{
//Clean up side effects
socketClose(context->socket);
}
//Return status code
return error;
}
error_t httpClientTest(void)
{
error_t error;
size_t length;
IpAddr ipAddr;
Socket *socket;
static char_t buffer[256];
//Debug message
TRACE_INFO("\r\n\r\nResolving server name...\r\n");
//Resolve HTTP server name
error = getHostByName(NULL, CLIENT_SERVER_NAME, &ipAddr, 1, NULL, 0);
//Any error to report?
if(error)
{
//Debug message
TRACE_INFO("Failed to resolve server name!\r\n");
//Exit immedialtely
return error;
}
//Create a new socket to handle the request
socket = socketOpen(SOCKET_TYPE_STREAM, SOCKET_PROTOCOL_TCP);
//Any error to report?
if(!socket)
{
//Debug message
TRACE_INFO("Failed to open socket!\r\n");
//Exit immedialtely
return error;
}
//Start of exception handling block
do
{
//Debug message
TRACE_INFO("Connecting to HTTP server %s\r\n", ipAddrToString(&ipAddr, NULL));
//Connect to the HTTP server
error = socketConnect(socket, &ipAddr, CLIENT_SERVER_PORT);
//Any error to report?
if(error) break;
//Debug message
TRACE_INFO("Successful connection\r\n");
//Format HTTP request
length = sprintf(buffer, "GET %s HTTP/1.0\r\nHost: %s:%u\r\n\r\n",
CLIENT_REQUEST_URI, CLIENT_SERVER_NAME, CLIENT_SERVER_PORT);
//Debug message
TRACE_INFO("\r\nHTTP request:\r\n%s", buffer);
//Send HTTP request
error = socketSend(socket, buffer, length, NULL, 0);
//Any error to report?
if(error) break;
//Debug message
TRACE_INFO("HTTP response header:\r\n");
//Parse HTTP response header
while(1)
{
//Read the header line by line
error = socketReceive(socket, buffer, sizeof(buffer) - 1, &length, SOCKET_FLAG_BREAK_CRLF);
//End of stream?
if(error) break;
//Properly terminate the string with a NULL character
buffer[length] = '\0';
//Dump current data
TRACE_INFO("%s", buffer);
//The end of the header has been reached?
if(!strcmp(buffer, "\r\n"))
break;
}
//Debug message
TRACE_INFO("HTTP response body:\r\n");
//Parse HTTP response body
while(1)
{
//Read response body
error = socketReceive(socket, buffer, sizeof(buffer) - 1, &length, 0);
//End of stream?
if(error) break;
//Properly terminate the string with a NULL character
buffer[length] = '\0';
//Dump current data
TRACE_INFO("%s", buffer);
}
//End of exception handling block
} while(0);
//Close the connection
socketClose(socket);
//Debug message
TRACE_INFO("\r\nConnection closed...\r\n");
//Return status code
return error;
}
