/**
* function invoked when a file transfer is received.
**/
static void file_transfer_received(LinphoneChatMessage *message, const LinphoneContent* content, const LinphoneBuffer *buffer){
FILE* file=NULL;
if (!linphone_chat_message_get_user_data(message)) {
/*first chunk, creating file*/
file = fopen("receive_file.dump","wb");
linphone_chat_message_set_user_data(message,(void*)file); /*store fd for next chunks*/
}
file = (FILE*)linphone_chat_message_get_user_data(message);
if (linphone_buffer_is_empty(buffer)) {
printf("File transfert completed\n");
linphone_chat_room_destroy(linphone_chat_message_get_chat_room(message));
linphone_chat_message_destroy(message);
fclose(file);
running=FALSE;
} else { /* store content on a file*/
if (fwrite(linphone_buffer_get_content(buffer),linphone_buffer_get_size(buffer),1,file)==-1){
ms_warning("file_transfer_received() write failed: %s",strerror(errno));
}
}
}
/*
* function called when the file transfer is initiated. file content should be feed into object LinphoneContent
* */
static void file_transfer_send(LinphoneCore *lc, LinphoneChatMessage *message, const LinphoneContent* content, char* buff, size_t* size){
int offset=-1;
if (!linphone_chat_message_get_user_data(message)) {
/*first chunk*/
offset=0;
} else {
/*subsequent chunk*/
offset = (int)((long)(linphone_chat_message_get_user_data(message))&0x00000000FFFFFFFF);
}
*size = MIN(*size,sizeof(big_file)-offset); /*updating content->size with minimun between remaining data and requested size*/
if (*size==0) {
/*end of file*/
return;
}
memcpy(buff,big_file+offset,*size);
/*store offset for next chunk*/
linphone_chat_message_set_user_data(message,(void*)(offset+*size));
}
/**
* function invoked when a file transfer is received.
* */
void file_transfer_received(LinphoneChatMessage *message, const LinphoneContent* content, const LinphoneBuffer *buffer){
FILE* file=NULL;
char receive_file[256];
LinphoneChatRoom *cr = linphone_chat_message_get_chat_room(message);
LinphoneCore *lc = linphone_chat_room_get_core(cr);
snprintf(receive_file,sizeof(receive_file), "%s/receive_file.dump", liblinphone_tester_writable_dir_prefix);
if (!linphone_chat_message_get_user_data(message)) {
/*first chunk, creating file*/
file = fopen(receive_file,"wb");
linphone_chat_message_set_user_data(message,(void*)file); /*store fd for next chunks*/
}
file = (FILE*)linphone_chat_message_get_user_data(message);
if (linphone_buffer_is_empty(buffer)) { /* tranfer complete */
stats* counters = get_stats(lc);
counters->number_of_LinphoneMessageExtBodyReceived++;
fclose(file);
} else { /* store content on a file*/
if (fwrite(linphone_buffer_get_content(buffer),linphone_buffer_get_size(buffer),1,file)==-1){
ms_error("file_transfer_received(): write() failed: %s",strerror(errno));
}
}
}
/*
* function called when the file transfer is initiated. file content should be feed into object LinphoneContent
* */
LinphoneBuffer * file_transfer_send(LinphoneChatMessage *message, const LinphoneContent* content, size_t offset, size_t size){
LinphoneBuffer *lb;
size_t file_size;
size_t size_to_send;
FILE *file_to_send;
uint8_t *buf;
if (size == 0) return linphone_buffer_new(); /*end of file*/
file_to_send = linphone_chat_message_get_user_data(message);
fseek(file_to_send, 0, SEEK_END);
file_size = ftell(file_to_send);
fseek(file_to_send, offset, SEEK_SET);
size_to_send = MIN(size, file_size - offset);
buf = ms_malloc(size_to_send);
if (fread(buf, size_to_send, 1, file_to_send)!=size_to_send){
ms_error("fread error");
}
lb = linphone_buffer_new_from_data(buf, size_to_send);
ms_free(buf);
return lb;
}
