int parse_request(char* buff, int sock_fd) {
//TODO: fix the order of the read_from_client, parse_request.. functions
char* buff_copy = calloc(1, SIZE);
strncpy(buff_copy, buff, SIZE);
int num_lines = 0;
char* newline = strtok(buff_copy, "\n");
while(newline != NULL) {
num_lines +=1;
newline = strtok(NULL, "\n");
}
char** lines = calloc(num_lines, sizeof(char *));
int i = 0;
char* substr = strtok(buff, "\n");
lines[i] = substr;
while(substr != NULL){
i++;
substr = strtok(NULL, "\n");
lines[i] = substr;
}
//since strtok modifies its argument, I'm creating a copy of lines to figure
//out the type(GET, POST, HEAD) of request
char** str = calloc(num_lines, sizeof(char *));
for (int x = 0; x < i; x++) {
str[x] = calloc(SIZE, sizeof(char));
strncpy(str[x], lines[x], SIZE * sizeof(char));
}
//determine type of request from the first word of the message
//should probably do it in a more organized fashion
char* tok = strtok(str[0], " ");
if(strcmp(tok, "GET") == 0) {
if(parse_get_request(sock_fd, lines, num_lines)) {
return 1;
} else {
return 0;
}
} else if (strcmp(tok, "HEAD") == 0) {
parse_head_request(sock_fd, lines, num_lines);
} else {
perror("invalid request lol");
return 0;
}
printf("finished parsing\n");
return 1;
}
void wdmp_parse_generic_request(char * payload, PAYLOAD_TYPE payload_type, req_struct **reqObj)
{
cJSON *request = NULL;
char *out = NULL, *command = NULL;
if (!payload || !reqObj)
{
WdmpPrint("wdmp_parse_generic_request - invalid param!\n");
return;
}
request = cJSON_Parse(payload);
if (request != NULL)
{
if(cJSON_GetObjectItem(request, "command") != NULL)
{
command = cJSON_GetObjectItem(request, "command")->valuestring;
WdmpPrint("command %s\n", (command == NULL) ? "NULL" : command);
}
if (command != NULL)
{
out = cJSON_PrintUnformatted(request);
//allocate structure according to payload type
if (payload_type == WDMP_TR181 || payload_type == WDMP_SNMP)
{
(*reqObj) = (req_struct *) malloc(sizeof(req_struct));
memset((*reqObj), 0, sizeof(req_struct));
}
else
{
// allocate according to payload type.
// - currently no other data types supported
WdmpPrint("wdmp_parse_generic_request - invalid payload_type : %d\n", payload_type);
cJSON_Delete(request);
return;
}
if ((strcmp(command, "GET") == 0) || (strcmp(command, "GET_ATTRIBUTES") == 0))
{
WdmpInfo("Request %s\n", out);
parse_get_request(request, reqObj, payload_type);
}
else if ((strcmp(command, "SET") == 0))
{
WdmpInfo("SET Request\n");
parse_set_request(request, reqObj, payload_type);
}
else if ((strcmp(command, "SET_ATTRIBUTES") == 0))
{
WdmpInfo("SET ATTRIBUTES Request\n");
parse_set_attr_request(request, reqObj);
}
else if (strcmp(command, "TEST_AND_SET") == 0)
{
WdmpInfo("Test and Set Request\n");
parse_test_and_set_request(request, reqObj);
}
else if (strcmp(command, "REPLACE_ROWS") == 0)
{
WdmpInfo("REPLACE_ROWS Request\n");
parse_replace_rows_request(request, reqObj);
}
else if (strcmp(command, "ADD_ROW") == 0)
{
WdmpInfo("ADD_ROW Request\n");
parse_add_row_request(request, reqObj);
}
else if (strcmp(command, "DELETE_ROW") == 0)
{
WdmpInfo("DELETE_ROW Request: %s\n", out);
parse_delete_row_request(request, reqObj);
}
else
{
WdmpError("Unknown Command \n");
wdmp_free_req_struct(*reqObj);
(*reqObj) = NULL;
}
if (out != NULL)
{
free(out);
}
}
cJSON_Delete(request);
}
else
{
WdmpInfo("Empty payload\n");
}
return;
}
