int WebServer_process_request(int socket, char* method, unsigned char method_size, char* filename, unsigned char filename_size,
char* content, unsigned char content_size, char* auth, unsigned char auth_size){
#define STATE_GET_METHOD 0
#define STATE_GET_FILENAME 1
#define STATE_GET_CONTENT 2
unsigned long tmr = 0;
char data = 0;
char content_head[4];
// A string fifo for parsing purpose.
char str_fifo[50];
int content_length = 0;
unsigned char state = 0;
char data_pool[100];
int ret = 0;
int i;
unsigned char method_ptr = 0;
unsigned char filename_ptr = 0;
unsigned char content_ptr = 0;
unsigned char auth_ptr = 0;
memset(content_head, 0, sizeof(content_head));
memset(str_fifo, ' ', sizeof(str_fifo));
tmr = millis() + WEBSERVER_REQUEST_TIMEOUT;
while(millis() < tmr){
//if(WebServer_request_available(socket) == 0){
// Get char
//WebServer_get_request(socket, &data, 1);
memset(data_pool, 0, sizeof(data_pool));
ret = WebServer_get_request(socket, data_pool, sizeof(data_pool));
if(ret > 0){
tmr = millis() + WEBSERVER_REQUEST_TIMEOUT;
for(i = 0; i < ret; i++){
data = data_pool[i];
// Check state
switch(state){
case STATE_GET_METHOD:
if(data != ' '){
if(method_ptr < method_size){
method[method_ptr] = data;
method_ptr++;
}
}
else{
// Get blank
state = STATE_GET_FILENAME;
}
break;
case STATE_GET_FILENAME:
if(data != ' '){
if(filename_ptr < filename_size){
filename[filename_ptr] = data;
filename_ptr++;
}
}
else{
// Get blank, change state
state = STATE_GET_CONTENT;
}
break;
case STATE_GET_CONTENT:
str_fifo[(sizeof(str_fifo) - 1)] = data;
if((str_fifo[sizeof(str_fifo) - 2] == '\r') && (str_fifo[sizeof(str_fifo) - 1] == '\n')){
str_fifo[sizeof(str_fifo) - 2] = 0;
str_fifo[sizeof(str_fifo) - 1] = 0;
// Get line, parsing header.
char* str = 0;
// Parse http status;
str = strstr(str_fifo, "Authorization: Basic ");
if(str != 0){
sscanf(str, "Authorization: Basic %s", auth);
}
str = strstr_P(str_fifo, PSTR("Content-Length:"));
if(str != 0){
sscanf(str, "Content-Length:%d", &content_length);
}
memset(str_fifo, ' ', sizeof(str_fifo));
}
else{
// Read line
memcpy(&str_fifo[0], &str_fifo[1], (sizeof(str_fifo) - 1));
}
if((content_head[0] == '\r') && (content_head[1] == '\n') && (content_head[2] == '\r') && (content_head[3] == '\n')){
if((content_ptr < content_size) && (content_ptr < content_length)){
content[content_ptr] = data;
content_ptr++;
}
else{
return 0;
}
}else{
memcpy(content_head, &content_head[1], (sizeof(content_head) - 1));
content_head[3] = data;
}
break;
default:
break;
}
}
}
else if(ret < 0) return ret;
//}
}
return 0;
}
int WebServer_process_request(int socket, char* method, unsigned char method_size, char* filename, unsigned char filename_size,
char* content, unsigned char content_size, char* auth, unsigned char auth_size){
#define STATE_GET_METHOD 0
#define STATE_GET_FILENAME 1
#define STATE_GET_CONTENT 2
unsigned long tmr = 0;
char data = 0;
char content_head[4];
char auth_head[15];
unsigned char state = 0;
char data_pool[100];
int ret = 0;
int i;
unsigned char method_ptr = 0;
unsigned char filename_ptr = 0;
unsigned char content_ptr = 0;
unsigned char auth_ptr = 0;
memset(content_head, 0, sizeof(content_head));
memset(auth_head, 0, sizeof(auth_head));
tmr = millis() + WEBSERVER_REQUEST_TIMEOUT;
while(millis() < tmr){
//if(WebServer_request_available(socket) == 0){
// Get char
//WebServer_get_request(socket, &data, 1);
ret = WebServer_get_request(socket, data_pool, sizeof(data_pool));
if(ret > 0){
tmr = millis() + WEBSERVER_REQUEST_TIMEOUT;
for(i = 0; i < ret; i++){
data = data_pool[i];
// Find Authorization.
if(strncmp(auth_head, "Authorization:", 14) == 0){
if(auth_ptr < auth_size){
//Check \r\n or \n\r
if( ((data == '\r') && (auth[(auth_ptr - 1)] == '\n')) ||
((data == '\n') && (auth[(auth_ptr - 1)] == '\r')) ){
auth[(auth_ptr - 1)] = 0;
memset(auth_head, 0, sizeof(auth_head));
}
else{
auth[auth_ptr] = data;
auth_ptr++;
}
}
else{
// Set auth_head to 0 to exit if condition
memset(auth_head, 0, sizeof(auth_head));
}
}
else{
memcpy(auth_head, &auth_head[1], (sizeof(auth_head) - 1));
auth_head[14] = data;
}
// Check state
switch(state){
case STATE_GET_METHOD:
if(data != ' '){
if(method_ptr < method_size){
method[method_ptr] = data;
method_ptr++;
}
}
else{
// Get blank
state = STATE_GET_FILENAME;
}
break;
case STATE_GET_FILENAME:
if(data != ' '){
if(filename_ptr < filename_size){
filename[filename_ptr] = data;
filename_ptr++;
}
}
else{
// Get blank, change state
state = STATE_GET_CONTENT;
}
break;
case STATE_GET_CONTENT:
if((content_head[0] == '\r') && (content_head[1] == '\n') && (content_head[2] == '\r') && (content_head[3] == '\n')){
if(content_ptr < content_size){
content[content_ptr] = data;
content_ptr++;
}
}else{
memcpy(content_head, &content_head[1], (sizeof(content_head) - 1));
content_head[3] = data;
}
break;
default:
break;
}
}
}
//}
}
return 0;
}
