YAIP/src/request.c

#include "request.h"

Header* newHeader(char *str){
	Header *header = malloc(sizeof(Header));
	memset(header, 0, sizeof(Header));

	int position = -1;


	for ( unsigned int i = 0; i < strlen(str); i++ ){
		if ( str[i] == ':' ){
			position = i;
			break;
		}
	}

	if ( position == -1 ){
		printf("Header without colon. Not sure what to do\n");
		return NULL;
	}


	// We want to allocate 1 more than the length so we can have a \0 at the end
	header->name = malloc( sizeof(char) * ( position + 1 ) );
	memset(header->name, '\0', position+1);
	strncpy( header->name, str, position );

	for ( unsigned int i = position+1; i < strlen(str); i++ ){
		if ( str[i] == '\t' || str[i] == ' ' ) continue;
		position = i;
		break;
	}


	//Anything left is the value
	header->value = malloc( sizeof(char) * ( strlen(str) - position ) );
	memset(header->value, '\0', ( strlen(str) - position ) );
	strcpy( header->value, str + position );


	return header;
}

Request* newRequest(){
	Request *request = malloc(sizeof(Request));
	memset(request, 0, sizeof(Request));
	return request;
}

void requestFirstLine( Request *req, char line[] ){
	char method[20] = {'\0'}; //Get, post, etc.
	char *url = malloc(sizeof(char) *2048); // This may contain the method, the path, the domain and so on
	memset(url, '\0', sizeof(char) * 2048);
	char *currentPos;
	float version = 0;
	char protocol[6] = {'\0'};
	char host[254] = {'\0'};
	//https://stackoverflow.com/questions/417142/what-is-the-maximum-length-of-a-url-in-different-browsers
	char path[2000] = {'\0'};

	sscanf( line, "%20s %2048s HTTP/%f", method, url, &version );
	req->method = method;
	req->version = version;
	
	//We've pulled out the easy bits. Now to go through the url and pull out what we need
	currentPos = url;
	sscanf( currentPos, "%5[^:/]", protocol );
	if ( strlen( protocol ) > 0 ){
		currentPos = currentPos + strlen(protocol) + 3;
	}

	sscanf( currentPos, "%253[^:/]", host );
	if ( strlen( host ) > 0 ){
		currentPos = currentPos + strlen(host);
	}


	sscanf( currentPos, "%2000[^? ]", path );
	if ( strlen( path ) > 0 ){
		currentPos = currentPos + strlen(path);
	}

	req->protocol = malloc(sizeof(char) * strlen(protocol));
	strcpy(req->protocol, protocol);
	req->host = malloc(sizeof(char) * strlen(host));
	strcpy(req->host, host);
	req->path = malloc(sizeof(char) * strlen(path));
	strcpy(req->path, path);

	//The query string is anything left
	req->queryString = malloc(sizeof(char) * strlen(currentPos));
	strcpy(req->queryString, currentPos);
	

	free(url);
}


Request* newRequestFromSocket(int socket){
	Request *req = newRequest();
	int valread;
	char line[1024] = {0};
	// The first line will give us some important information
	//valread = fdReadLine( socket, line, 1024);
	char hello[] = "this is a test";

	printf("HERE\nLine is %s\n", line);

	//a length of 2 will indicate an empty line which will split the headers
	//from the body (if there is a body)
	while ( valread > 2 ){
		printf("%s",line );
		//valread = fdReadLine( socket , line, 1024);
	}
	send(socket , "this is a test" , 15 , 0 );
	printf("Hello message sent\n");
	return req;
}