//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");
struct espconn* pCon = (struct espconn *)arg;
HttpdConnData *conn = (HttpdConnData *)pCon->reverse;
if (conn == NULL) return; // aborted connection
char sendBuff[MAX_SENDBUFF_LEN];
httpdSetOutputBuffer(conn, sendBuff, sizeof(sendBuff));
//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 (int 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;
conn->post->multipartBoundary = NULL;
//Reset url data
conn->url = NULL;
//Iterate over all received headers and parse them.
char *p = conn->priv->head;
while (p<(&conn->priv->head[conn->priv->headPos - 4])) {
char *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->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;
}
}
}
}
void* remoteConfigThread(void* param)
{
RemoteConfigImpl* self = (RemoteConfigImpl*)param;
while(!self->base.requestExit) {
struct timeval to = {0, 1000};
if (httpdGetConnection(self->base.http, &to) <= 0)
continue;
if(httpdReadRequest(self->base.http) < 0) {
httpdEndRequest(self->base.http);
continue;
}
remoteConfigLockImpl(self);
httpdProcessRequest(self->base.http);
remoteConfigUnlockImpl(self);
httpdEndRequest(self->base.http);
}
return nullptr;
}
/** Main request handling thread.
@param args Two item array of void-cast pointers to the httpd and request struct
*/
void
thread_httpd(void *args)
{
void **params;
httpd *webserver;
request *r;
params = (void **)args;
webserver = *params;
r = *(params + 1);
free(params); /* XXX We must release this ourselves. */
if (httpdReadRequest(webserver, r) == 0) {
/*
* We read the request fine
*/
debug(LOG_DEBUG, "Processing request from %s", r->clientAddr);
debug(LOG_DEBUG, "Calling httpdProcessRequest() for %s", r->clientAddr);
//前面有通过函数httpdAddCContent设置访问页面的回调函数..如果请求的不是页面没有设置，
//那就会调用404错误...
//该函数httpdSetErrorFunction会设定404错误的回调函数.
httpdProcessRequest(webserver, r);
debug(LOG_DEBUG, "Returned from httpdProcessRequest() for %s", r->clientAddr);
}
else {
debug(LOG_DEBUG, "No valid request received from %s", r->clientAddr);
}
debug(LOG_DEBUG, "Closing connection with %s", r->clientAddr);
httpdEndRequest(r);
}
int ICACHE_FLASH_ATTR httpdSetCGIResponse(HttpdConnData * conn, void * response) {
char sendBuff[MAX_SENDBUFF_LEN];
conn->priv->sendBuff = sendBuff;
conn->priv->sendBuffLen = 0;
conn->cgiResponse = response;
httpdProcessRequest(conn);
conn->cgiResponse = NULL;
return HTTPD_CGI_DONE;
}
int main( int argc, char *argv[])
{
httpd *server;
/*
** Create a server and setup our logging
*/
server = httpdCreate(NULL,1234);
if (server == NULL)
{
perror("Can't create server");
exit(1);
}
httpdSetAccessLog(server, stdout);
httpdSetErrorLog(server, stderr);
/*
** Setup some content for the server
*/
httpdAddCContent(server,"/", "dummy", HTTP_TRUE, NULL, dummy_html);
httpdSetFileBase(server, "/home/prabinb/queralyzer/queralyzerUI/");
httpdAddFileContent(server, "/", "index.html", HTTP_TRUE, NULL, "index.html" );
httpdAddWildcardContent(server, "/css", NULL, "css");
httpdAddWildcardContent(server, "/img", NULL, "img");
httpdAddWildcardContent(server, "/js", NULL, "js");
httpdAddWildcardContent(server, "/js/lib", NULL, "js/lib");
httpdAddWildcardContent(server, "/bootstrap", NULL, "bootstrap");
httpdAddWildcardContent(server, "/bootstrap/css", NULL, "bootstrap/css");
httpdAddWildcardContent(server, "/bootstrap/img", NULL, "bootstrap/img");
httpdAddWildcardContent(server, "/bootstrap/js", NULL, "bootstrap/js");
httpdAddCContent(server,"/", "query", HTTP_TRUE, NULL, query_html);
httpdAddCContent(server,"/", "tablemetadata", HTTP_TRUE, NULL, table_data_html);
httpdAddCContent(server,"/", "indexmetadata", HTTP_TRUE, NULL, index_data_html);
/*
** Go into our service loop
*/
while(1 == 1)
{
if (httpdGetConnection(server, 0) < 0)
continue;
if(httpdReadRequest(server) < 0)
{
httpdEndRequest(server);
continue;
}
else
{
httpdProcessRequest(server);
httpdEndRequest(server);
}
}
}
/************************************************
* 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;
}
}
}
}
