static void ICACHE_FLASH_ATTR httpdDisconCb(void *arg) {
#if 0
//Stupid esp sdk passes through wrong arg here, namely the one of the *listening* socket.
//If it ever gets fixed, be sure to update the code in this snippet; it's probably out-of-date.
HttpdConnData *conn=httpdFindConnData(arg);
os_printf("Disconnected, conn=%p\n", conn);
if (conn==NULL) return;
conn->conn=NULL;
if (conn->cgi!=NULL) conn->cgi(conn); //flush cgi data
#endif
//Just look at all the sockets and kill the slot if needed.
int i;
for (i=0; i<MAX_CONN; i++) {
if (connData[i].conn!=NULL) {
//Why the >=ESPCONN_CLOSE and not ==? Well, seems the stack sometimes de-allocates
//espconns under our noses, especially when connections are interrupted. The memory
//is then used for something else, and we can use that to capture *most* of the
//disconnect cases.
if (connData[i].conn->state==ESPCONN_NONE || connData[i].conn->state>=ESPCONN_CLOSE) {
connData[i].conn=NULL;
if (connData[i].cgi!=NULL) connData[i].cgi(&connData[i]); //flush cgi data
httpdRetireConn(&connData[i]);
}
}
}
}
static void ICACHE_FLASH_ATTR httpdDisconCb(void *arg) {
debugConn(arg, "httpdDisconCb");
HttpdConnData *conn = httpdFindConnData(arg);
if (conn == NULL) return;
if (conn->cgi != NULL) conn->cgi(conn); // free cgi data
httpdRetireConn(conn);
}
//Callback called when the data on a socket has been successfully
//sent.
static void ICACHE_FLASH_ATTR httpdSentCb(void *arg) {
int r;
HttpdConnData *conn=httpdFindConnData(arg);
char sendBuff[MAX_SENDBUFF_LEN];
// os_printf("Sent callback on conn %p\n", conn);
if (conn==NULL) return;
conn->priv->sendBuff=sendBuff;
conn->priv->sendBuffLen=0;
if (conn->cgi==NULL) { //Marked for destruction?
os_printf("Conn %p is done. Closing.\n", conn->conn);
espconn_disconnect(conn->conn);
httpdRetireConn(conn);
return; //No need to call xmitSendBuff.
}
r=conn->cgi(conn); //Execute cgi fn.
if (r==HTTPD_CGI_DONE) {
conn->cgi=NULL; //mark for destruction.
}
if (r==HTTPD_CGI_NOTFOUND || r==HTTPD_CGI_AUTHENTICATED) {
os_printf("ERROR! CGI fn returns code %d after sending data! Bad CGI!\n", r);
conn->cgi=NULL; //mark for destruction.
}
xmitSendBuff(conn);
}
//Callback called when the data on a socket has been successfully sent.
static void ICACHE_FLASH_ATTR httpdSentCb(void *arg) {
debugConn(arg, "httpdSentCb");
int r;
HttpdConnData *conn=httpdFindConnData(arg);
char sendBuff[MAX_SENDBUFF_LEN];
if (conn==NULL) return;
conn->priv->sendBuff=sendBuff;
conn->priv->sendBuffLen=0;
if (conn->cgi==NULL) { //Marked for destruction?
//os_printf("Closing 0x%p/0x%p->0x%p\n", arg, conn->conn, conn);
espconn_disconnect(conn->conn);
//httpdRetireConn(conn); // can't call this, we will get a diconnect callback!
return; //No need to call xmitSendBuff.
}
r=conn->cgi(conn); //Execute cgi fn.
if (r==HTTPD_CGI_DONE) {
conn->cgi=NULL; //mark for destruction.
}
if (r==HTTPD_CGI_NOTFOUND || r==HTTPD_CGI_AUTHENTICATED) {
os_printf("%s ERROR! CGI fn returns code %d after sending data! Bad CGI!\n", connStr, r);
conn->cgi=NULL; //mark for destruction.
}
xmitSendBuff(conn);
}
// Callback indicating a failure in the connection. "Recon" is probably intended in the sense
// of "you need to reconnect". Sigh...
static void ICACHE_FLASH_ATTR httpdReconCb(void *arg, sint8 err) {
debugConn(arg, "httpdReconCb");
HttpdConnData *conn = httpdFindConnData(arg);
os_printf("%s reset, err=%d\n", connStr, err);
if (conn == NULL) return;
conn->conn = NULL; // don't tr to send anything, the SDK crashes...
if (conn->cgi != NULL) conn->cgi(conn); // free cgi data
httpdRetireConn(conn);
}
//Callback called when there's data available on a socket.
static void ICACHE_FLASH_ATTR httpdRecvCb(void *arg, char *data, unsigned short len) {
debugConn(arg, "httpdRecvCb");
int x;
char *p, *e;
char sendBuff[MAX_SENDBUFF_LEN];
HttpdConnData *conn=httpdFindConnData(arg);
if (conn==NULL) return;
conn->priv->sendBuff=sendBuff;
conn->priv->sendBuffLen=0;
//This is slightly evil/dirty: we abuse conn->post->len as a state variable for where in the http communications we are:
//<0 (-1): Post len unknown because we're still receiving headers
//==0: No post data
//>0: Need to receive post data
//ToDo: See if we can use something more elegant for this.
for (x=0; x<len; x++) {
if (conn->post->len<0) {
//This byte is a header byte.
if (conn->priv->headPos!=MAX_HEAD_LEN) conn->priv->head[conn->priv->headPos++]=data[x];
conn->priv->head[conn->priv->headPos]=0;
//Scan for /r/n/r/n. Receiving this indicate the headers end.
if (data[x]=='\n' && (char *)os_strstr(conn->priv->head, "\r\n\r\n")!=NULL) {
//Indicate we're done with the headers.
conn->post->len=0;
//Reset url data
conn->url=NULL;
//Iterate over all received headers and parse them.
p=conn->priv->head;
while(p<(&conn->priv->head[conn->priv->headPos-4])) {
e=(char *)os_strstr(p, "\r\n"); //Find end of header line
if (e==NULL) break; //Shouldn't happen.
e[0]=0; //Zero-terminate header
httpdParseHeader(p, conn); //and parse it.
p=e+2; //Skip /r/n (now /0/n)
}
//If we don't need to receive post data, we can send the response now.
if (conn->post->len==0) {
httpdProcessRequest(conn);
}
}
} else if (conn->post->len!=0) {
//This byte is a POST byte.
conn->post->buff[conn->post->buffLen++]=data[x];
conn->post->received++;
if (conn->post->buffLen >= conn->post->buffSize || conn->post->received == conn->post->len) {
//Received a chunk of post data
conn->post->buff[conn->post->buffLen]=0; //zero-terminate, in case the cgi handler knows it can use strings
//Send the response.
httpdProcessRequest(conn);
conn->post->buffLen = 0;
}
}
}
}
//Callback called when there's data available on a socket.
static void ICACHE_FLASH_ATTR httpdRecvCb(void *arg, char *data, unsigned short len) {
int x;
char *p, *e;
char sendBuff[MAX_SENDBUFF_LEN];
HttpdConnData *conn=httpdFindConnData(arg);
if (conn==NULL) return;
conn->priv->sendBuff=sendBuff;
conn->priv->sendBuffLen=0;
for (x=0; x<len; x++) {
if (conn->postLen<0) {
//This byte is a header byte.
if (conn->priv->headPos!=MAX_HEAD_LEN) conn->priv->head[conn->priv->headPos++]=data[x];
conn->priv->head[conn->priv->headPos]=0;
//Scan for /r/n/r/n
if (data[x]=='\n' && (char *)os_strstr(conn->priv->head, "\r\n\r\n")!=NULL) {
//Indicate we're done with the headers.
conn->postLen=0;
//Reset url data
conn->url=NULL;
//Find end of next header line
p=conn->priv->head;
while(p<(&conn->priv->head[conn->priv->headPos-4])) {
e=(char *)os_strstr(p, "\r\n");
if (e==NULL) break;
e[0]=0;
httpdParseHeader(p, conn);
p=e+2;
}
//If we don't need to receive post data, we can send the response now.
if (conn->postLen==0) {
httpdSendResp(conn);
}
}
} else if (conn->priv->postPos!=-1 && conn->postLen!=0 && conn->priv->postPos <= conn->postLen) {
//This byte is a POST byte.
conn->postBuff[conn->priv->postPos++]=data[x];
if (conn->priv->postPos>=conn->postLen) {
//Received post stuff.
conn->postBuff[conn->priv->postPos]=0; //zero-terminate
conn->priv->postPos=-1;
os_printf("Post data: %s\n", conn->postBuff);
//Send the response.
httpdSendResp(conn);
break;
}
}
}
xmitSendBuff(conn);
}
/************************************************
* name: httpdReconCb
* parameters: ptArgument - connection data
* iError - error code
* return value: none
* purpose: callback on reconnect
************************************************/
static void ICACHE_FLASH_ATTR httpdReconCb(void * ptArgument,
sint8 iError)
{
/* initialization */
HttpdConnection * ptConnection = NULL;
ptConnection = httpdFindConnData(ptArgument);
#ifdef HTTPD_DEBUG
os_printf("httpdReconCb\n");
#endif
UNUSED(ptConnection);
}
//Callback called when there's data available on a socket.
static void ICACHE_FLASH_ATTR httpdRecvCb(void *arg, char *data, unsigned short len) {
int x;
char *p, *e;
char sendBuff[MAX_SENDBUFF_LEN];
HttpdConnData *conn=httpdFindConnData(arg);
if (conn==NULL) return;
conn->priv->sendBuff=sendBuff;
conn->priv->sendBuffLen=0;
for (x=0; x<len; x++) {
if (conn->post->len<0) {
//This byte is a header byte.
if (conn->priv->headPos!=MAX_HEAD_LEN) conn->priv->head[conn->priv->headPos++]=data[x];
conn->priv->head[conn->priv->headPos]=0;
//Scan for /r/n/r/n
if (data[x]=='\n' && (char *)os_strstr(conn->priv->head, "\r\n\r\n")!=NULL) {
//Indicate we're done with the headers.
conn->post->len=0;
//Reset url data
conn->url=NULL;
//Find end of next header line
p=conn->priv->head;
while(p<(&conn->priv->head[conn->priv->headPos-4])) {
e=(char *)os_strstr(p, "\r\n");
if (e==NULL) break;
e[0]=0;
httpdParseHeader(p, conn);
p=e+2;
}
//If we don't need to receive post data, we can send the response now.
if (conn->post->len==0) {
httpdProcessRequest(conn);
}
}
} else if (conn->post->len!=0) {
//This byte is a POST byte.
conn->post->buff[conn->post->buffLen++]=data[x];
conn->post->received++;
if (conn->post->buffLen >= conn->post->buffSize || conn->post->received == conn->post->len) {
//Received a chunk of post data
conn->post->buff[conn->post->buffLen]=0; //zero-terminate, in case the cgi handler knows it can use strings
//Send the response.
httpdProcessRequest(conn);
conn->post->buffLen = 0;
}
}
}
}
static void ICACHE_FLASH_ATTR httpdSentCb(void *arg) {
int r;
HttpdConnData *conn=httpdFindConnData(arg);
// os_printf("Sent callback on conn %p\n", conn);
if (conn==NULL) return;
if (conn->cgi==NULL) { //Marked for destruction?
os_printf("Conn %p is done. Closing.\n", conn->conn);
espconn_disconnect(conn->conn);
httpdRetireConn(conn);
return;
}
r=conn->cgi(conn); //Execute cgi fn.
if (r==HTTPD_CGI_DONE) {
conn->cgi=NULL; //mark for destruction.
}
}
/************************************************
* name: httpdSentCb
* parameters: pArgument - connection data
* return value: none
* purpose: callback when data on socket has been successfully sent
************************************************/
static void ICACHE_FLASH_ATTR httpdSentCb(void * pArgument)
{
/* initialization */
int cgiResult = HTTPD_CGI_FAILED;
char pbSendBuffer[HTTPD_MAX_SEND_BUFFER_LENGTH] = { 0 };
HttpdConnection * ptConnection = NULL;
ptConnection = httpdFindConnData(pArgument);
if (NULL == ptConnection)
{
goto lblCleanup;
}
ptConnection->ptPrivate->pbSendBuffer = pbSendBuffer;
ptConnection->ptPrivate->cbSendBufferLength = 0;
if (NULL == ptConnection->pfnCgi)
{
/* marked for destruction - no need to call xmitSendBuff */
#ifdef HTTPD_DEBUG
os_printf("httpdSendCb: connection %p is done and closing.\n", ptConnection->ptEspConnection);
#endif
espconn_disconnect(ptConnection->ptEspConnection);
httpdRetireConn(ptConnection);
goto lblCleanup;
}
/* Execute cgi function */
cgiResult = ptConnection->pfnCgi(ptConnection);
if (HTTPD_CGI_DONE == cgiResult)
{
/* mark for destruction */
ptConnection->pfnCgi = NULL;
}
xmitSendBuff(ptConnection);
lblCleanup:
return;
}
static void ICACHE_FLASH_ATTR httpdDisconCb(void *arg) {
#if 0
//Stupid esp sdk passes through wrong arg here, namely the one of the *listening* socket.
//If it ever gets fixed, be sure to update the code in this snippet; it's probably out-of-date.
HttpdConnData *conn=httpdFindConnData(arg);
os_printf("Disconnected, conn=%p\n", conn);
if (conn==NULL) return;
conn->conn=NULL;
if (conn->cgi!=NULL) conn->cgi(conn); //flush cgi data
#endif
//Just look at all the sockets and kill the slot if needed.
int i;
for (i=0; i<MAX_CONN; i++) {
if (connData[i].conn!=NULL) {
if (connData[i].conn->state==ESPCONN_NONE || connData[i].conn->state==ESPCONN_CLOSE) {
connData[i].conn=NULL;
if (connData[i].cgi!=NULL) connData[i].cgi(&connData[i]); //flush cgi data
httpdRetireConn(&connData[i]);
}
}
}
}
//Callback called when the data on a socket has been successfully
//sent.
static void ICACHE_FLASH_ATTR httpdSentCb(void *arg) {
int r;
HttpdConnData *conn=httpdFindConnData(arg);
char sendBuff[MAX_SENDBUFF_LEN];
// //INFO("Sent callback on conn %p\n", conn);
if (conn==NULL) return;
conn->priv->sendBuff=sendBuff;
conn->priv->sendBuffLen=0;
if (conn->cgi==NULL) { //Marked for destruction?
//INFO("Conn %p is done. Closing.\n", conn->conn);
espconn_disconnect(conn->conn);
httpdRetireConn(conn);
return; //No need to call xmitSendBuff.
}
r=conn->cgi(conn); //Execute cgi fn.
if (r==HTTPD_CGI_DONE) {
conn->cgi=NULL; //mark for destruction.
}
xmitSendBuff(conn);
}
static void ICACHE_FLASH_ATTR httpdReconCb(void *arg, sint8 err) {
HttpdConnData *conn=httpdFindConnData(arg);
os_printf("ReconCb\n");
if (conn==NULL) return;
//Yeah... No idea what to do here. ToDo: figure something out.
}
/************************************************
* name: httpdRecvCb
* parameters: ptArgument - connection data
* pbData - data available
* cbDataLength - data length
* return value: none
* purpose: callback when data available on a socket
************************************************/
static void ICACHE_FLASH_ATTR httpdRecvCb(void * ptArgument,
char * pbData,
unsigned short cbDataLength)
{
/* initialization */
int iIndex = 0;
char * pbTmpHeader = NULL;
char * pbEndOfHeader = NULL;
char pbSendBuffer[HTTPD_MAX_SEND_BUFFER_LENGTH] = { 0 };
HttpdConnection * ptConnection = NULL;
ptConnection = httpdFindConnData(ptArgument);
if (NULL == ptConnection)
{
return;
}
ptConnection->ptPrivate->pbSendBuffer = pbSendBuffer;
ptConnection->ptPrivate->cbSendBufferLength = 0;
for (iIndex = 0; iIndex < cbDataLength; iIndex++)
{
if (0 > ptConnection->ptPost->cbPostLength)
{
/* header byte */
if (HTTPD_MAX_HEADER_LENGTH != ptConnection->ptPrivate->cbHeaderLength)
{
ptConnection->ptPrivate->pbHeader[ptConnection->ptPrivate->cbHeaderLength++]=pbData[iIndex];
}
ptConnection->ptPrivate->pbHeader[ptConnection->ptPrivate->cbHeaderLength] = 0;
/* scan for /r/n/r/n */
if (((*NEWLINE_SYMBOL_STRING) == pbData[iIndex]) && (NULL != (char *)os_strstr(ptConnection->ptPrivate->pbHeader, "\r\n\r\n")))
{
/* indicate we're done with the headers */
ptConnection->ptPost->cbPostLength = 0;
/* reset url data */
ptConnection->pszUrl = NULL;
/* find end of next header line */
pbTmpHeader = ptConnection->ptPrivate->pbHeader;
while (pbTmpHeader < (&ptConnection->ptPrivate->pbHeader[ptConnection->ptPrivate->cbHeaderLength-4]))
{
pbEndOfHeader = (char *)os_strstr(pbTmpHeader, "\r\n");
if (NULL == pbEndOfHeader)
{
break;
}
pbEndOfHeader[0] = 0;
httpdParseHeader(pbTmpHeader, ptConnection);
pbTmpHeader = pbEndOfHeader + 2;
}
/* if receive post data unncessary send the response */
if (0 == ptConnection->ptPost->cbPostLength)
{
httpdProcessRequest(ptConnection);
}
}
}
else if (0 != ptConnection->ptPost->cbPostLength)
{
/* this is a POST byte */
ptConnection->ptPost->pbBuffer[ptConnection->ptPost->cbBufferLength++] = pbData[iIndex];
ptConnection->ptPost->cbReceived++;
if ((ptConnection->ptPost->cbBufferLength >= ptConnection->ptPost->cbMaxBufferSize) || (ptConnection->ptPost->cbReceived == ptConnection->ptPost->cbPostLength))
{
/* received a chunk of post data */
/* zero-terminate, in case the cgi handler knows it can use strings */
ptConnection->ptPost->pbBuffer[ptConnection->ptPost->cbBufferLength] = 0;
/* send the response */
httpdProcessRequest(ptConnection);
ptConnection->ptPost->cbBufferLength = 0;
}
}
}
}
