int main(int argc, char *argv[]){
char *str;
struct stat st;
int fd;
int i;
if (argc!=2){
fprintf(stderr,"Usage:\n%s <text file containing messages>\n",argv[0]);
return -1;
}
if (stat(argv[1],&st)==-1){
fprintf(stderr,"Could not stat %s: %s\n",argv[1],strerror(errno));
return -1;
}
fd=open(argv[1],O_RDONLY);
if (fd==-1){
fprintf(stderr,"Could not open %s: %s\n",argv[1],strerror(errno));
return -1;
}
str=belle_sip_malloc0(st.st_size+1);
if (read(fd,str,st.st_size)==-1){
fprintf(stderr,"Could not open %s: %s\n",argv[1],strerror(errno));
belle_sip_free(str);
close(fd);
return -1;
}
close(fd);
for (i=0;i<st.st_size;){
size_t read;
belle_sip_message_t *msg=belle_sip_message_parse_raw(str+i,st.st_size-i,&read);
if (msg){
printf("Succesfully parsed message of %i bytes.",(int)read);
}else{
fprintf(stderr,"Failed to parse message.");
break;
}
i+=read;
}
belle_sip_free(str);
return 0;
}
static void testRegisterRaw(void) {
const char* raw_message = "REGISTER sip:192.168.0.20 SIP/2.0\r\n"\
"Via: SIP/2.0/UDP 192.168.1.8:5062;rport;branch=z9hG4bK1439638806\r\n"\
"From: <sip:[email protected]>;tag=465687829\r\n"\
"To: <sip:[email protected]>\r\n"\
"Call-ID: 1053183492\r\n"\
"CSeq: 1 REGISTER\r\n"\
"Contact: <sip:[email protected]:5062>\r\n"\
"Max-Forwards: 70\r\n"\
"User-Agent: Linphone/3.3.99.10 (eXosip2/3.3.0)\r\n"\
"Expires: 3600\r\n"\
"Content-Length: 0\r\n\r\n123456789";
belle_sip_request_t* request;
size_t size=0;
size_t raw_message_size= strlen(raw_message);
belle_sip_message_t* message = belle_sip_message_parse_raw(raw_message,raw_message_size,&size);
CU_ASSERT_EQUAL(raw_message_size,size+9);
request = BELLE_SIP_REQUEST(message);
CU_ASSERT_STRING_EQUAL(belle_sip_request_get_method(request),"REGISTER");
CU_ASSERT_PTR_NOT_NULL(belle_sip_request_get_uri(request));
CU_ASSERT_STRING_EQUAL(&raw_message[size],"123456789");
belle_sip_object_unref(message);
}
void belle_sip_channel_parse_stream(belle_sip_channel_t *obj, int end_of_stream){
int offset;
size_t read_size=0;
int num;
while ((num=(obj->input_stream.write_ptr-obj->input_stream.read_ptr))>0){
if (obj->input_stream.state == WAITING_MESSAGE_START) {
int i;
/*first, make sure there is \r\n in the buffer, otherwise, micro parser cannot conclude, because we need a complete request or response line somewhere*/
for (i=0;i<num-1;i++) {
if ((obj->input_stream.read_ptr[i]=='\r' && obj->input_stream.read_ptr[i+1]=='\n')
|| belle_sip_channel_input_stream_get_buff_length(&obj->input_stream) <= 1 /*1 because null terminated*/ /*if buffer full try to parse in any case*/) {
/*good, now we can start searching for request/response*/
if ((offset=get_message_start_pos(obj->input_stream.read_ptr,num)) >=0 ) {
/*message found !*/
if (offset>0) {
belle_sip_warning("trashing [%i] bytes in front of sip message on channel [%p]",offset,obj);
obj->input_stream.read_ptr+=offset;
}
obj->input_stream.state=MESSAGE_AQUISITION;
} else {
belle_sip_debug("Unexpected [%s] received on channel [%p], trashing",obj->input_stream.read_ptr,obj);
obj->input_stream.read_ptr=obj->input_stream.write_ptr;
belle_sip_channel_input_stream_reset(&obj->input_stream);
continue;
}
break;
}
}
if (i >= num-1) {
belle_sip_debug("[%s] received on channel [%p], cannot determine if expected or not, waiting for new data",obj->input_stream.read_ptr,obj);
break;
}
}
if (obj->input_stream.state==MESSAGE_AQUISITION) {
/*search for \r\n\r\n*/
char* end_of_message=NULL;
if ((end_of_message=strstr(obj->input_stream.read_ptr,"\r\n\r\n"))){
int bytes_to_parse;
char tmp;
/*end of message found*/
end_of_message+=4;/*add \r\n\r\n*/
bytes_to_parse=end_of_message-obj->input_stream.read_ptr;
tmp=*end_of_message;
*end_of_message='\0';/*this is in order for the following log to print the message only to its end.*/
/*belle_sip_message("channel [%p] read message of [%i] bytes:\n%.40s...",obj, bytes_to_parse, obj->input_stream.read_ptr);*/
obj->input_stream.msg=belle_sip_message_parse_raw(obj->input_stream.read_ptr
,bytes_to_parse
,&read_size);
*end_of_message=tmp;
obj->input_stream.read_ptr+=read_size;
if (obj->input_stream.msg && read_size > 0){
belle_sip_message("channel [%p] [%i] bytes parsed",obj,(int)read_size);
belle_sip_object_ref(obj->input_stream.msg);
if (belle_sip_message_is_request(obj->input_stream.msg)) fix_incoming_via(BELLE_SIP_REQUEST(obj->input_stream.msg),obj->current_peer);
/*check for body*/
if (check_body(obj)){
obj->input_stream.state=BODY_AQUISITION;
} else {
/*no body*/
belle_sip_channel_message_ready(obj);
continue;
}
}else{
belle_sip_error("Could not parse [%s], on channel [%p] skipping to [%s]",obj->input_stream.read_ptr
,obj
,end_of_message);
obj->input_stream.read_ptr=end_of_message;
obj->input_stream.state=WAITING_MESSAGE_START;
continue;
}
}else break; /*The message isn't finished to be receive, we need more data*/
}
if (obj->input_stream.state==BODY_AQUISITION) {
if (acquire_body(obj,end_of_stream)==BELLE_SIP_STOP) break;
}
}
}
int main(int argc, char *argv[]){
char *str;
struct stat st;
int fd;
int i;
const char *filename=NULL;
const char *protocol="sip";
if (argc<2){
fprintf(stderr,"Usage:\n%s [--protocol sip|http|sdp] <text file containing messages>\n",argv[0]);
return -1;
}
for(i=1;i<argc;++i){
if (strcmp(argv[i],"--protocol")==0){
i++;
if (i<argc){
protocol=argv[i];
}else{
fprintf(stderr,"Missing argument for --protocol\n");
return -1;
}
}else filename=argv[i];
}
if (!filename){
fprintf(stderr,"No filename specified\n");
return -1;
}
if (stat(filename,&st)==-1){
fprintf(stderr,"Could not stat %s: %s\n",filename,strerror(errno));
return -1;
}
fd=open(filename,O_RDONLY);
if (fd==-1){
fprintf(stderr,"Could not open %s: %s\n",filename,strerror(errno));
return -1;
}
str=belle_sip_malloc0(st.st_size+1);
if (read(fd,str,st.st_size)==-1){
fprintf(stderr,"Could not read %s: %s\n",filename,strerror(errno));
belle_sip_free(str);
close(fd);
return -1;
}
close(fd);
belle_sip_set_log_level(BELLE_SIP_LOG_DEBUG);
for (i=0;i<st.st_size;){
size_t read;
if (strcasecmp(protocol,"sip")==0 || strcasecmp(protocol,"http")==0){
belle_sip_message_t *msg;
uint64_t begin,end;
begin=belle_sip_time_ms();
msg=belle_sip_message_parse_raw(str+i,st.st_size-i,&read);
end=belle_sip_time_ms();
if (msg){
printf("Successfully parsed %s message of %i bytes in %i ms.\n",protocol,(int)read, (int)(end-begin));
}else{
fprintf(stderr,"Failed to parse message.\n");
break;
}
i+=read;
}else if (strcasecmp(protocol,"sdp")==0){
belle_sdp_session_description_t *sdp=belle_sdp_session_description_parse(str);
if (sdp){
printf("Successfully parsed %s message of %i bytes.\n",protocol,(int)strlen(str));
}else{
fprintf(stderr,"Failed to parse SDP message.\n");
}
break;
}
}
belle_sip_free(str);
return 0;
}
