diff options
Diffstat (limited to 'src/pmparser.cpp')
| -rw-r--r-- | src/pmparser.cpp | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/src/pmparser.cpp b/src/pmparser.cpp new file mode 100644 index 0000000..e7be9ba --- /dev/null +++ b/src/pmparser.cpp @@ -0,0 +1,196 @@ +/* + @Author : ouadimjamal@gmail.com + @date : December 2015 + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. No representations are made about the suitability of this +software for any purpose. It is provided "as is" without express or +implied warranty. +*/ + +#include "pmparser.h" +#include <stdio.h> +#include <stdlib.h> +#include <plugin.h> + + + + +procmaps_iterator* pmparser_parse(csnd::Csound* csound, int pid){ + procmaps_iterator* maps_it = (procmaps_iterator*) csound->malloc(sizeof(procmaps_iterator)); + char maps_path[500]; + if(pid>=0 ){ + sprintf(maps_path,"/proc/%d/maps",pid); + }else{ + sprintf(maps_path,"/proc/self/maps"); + } + FILE* file=fopen(maps_path,"r"); + if(!file){ + fprintf(stderr,"pmparser : cannot open the memory maps, %s\n",strerror(errno)); + return NULL; + } + int ind=0;char buf[PROCMAPS_LINE_MAX_LENGTH]; + int c; + procmaps_struct* list_maps=NULL; + procmaps_struct* tmp; + procmaps_struct* current_node=list_maps; + char addr1[20],addr2[20], perm[8], offset[20], dev[10],inode[30],pathname[PATH_MAX]; + while( !feof(file) ){ + fgets(buf,PROCMAPS_LINE_MAX_LENGTH,file); + //allocate a node + tmp=(procmaps_struct*)csound->malloc(sizeof(procmaps_struct)); + //fill the node + _pmparser_split_line(buf,addr1,addr2,perm,offset, dev,inode,pathname); + //printf("#%s",buf); + //printf("%s-%s %s %s %s %s\t%s\n",addr1,addr2,perm,offset,dev,inode,pathname); + //addr_start & addr_end + unsigned long l_addr_start; + sscanf(addr1,"%lx",(long unsigned *)&tmp->addr_start ); + sscanf(addr2,"%lx",(long unsigned *)&tmp->addr_end ); + //size + tmp->length=(unsigned long)(tmp->addr_end-tmp->addr_start); + //perm + strcpy(tmp->perm,perm); + tmp->is_r=(perm[0]=='r'); + tmp->is_w=(perm[1]=='w'); + tmp->is_x=(perm[2]=='x'); + tmp->is_p=(perm[3]=='p'); + + //offset + sscanf(offset,"%lx",&tmp->offset ); + //device + strcpy(tmp->dev,dev); + //inode + tmp->inode=atoi(inode); + //pathname + strcpy(tmp->pathname,pathname); + tmp->next=NULL; + //attach the node + if(ind==0){ + list_maps=tmp; + list_maps->next=NULL; + current_node=list_maps; + } + current_node->next=tmp; + current_node=tmp; + ind++; + //printf("%s",buf); + } + + //close file + fclose(file); + + + //g_last_head=list_maps; + maps_it->head = list_maps; + maps_it->current = list_maps; + return maps_it; +} + + +procmaps_struct* pmparser_next(procmaps_iterator* p_procmaps_it){ + if(p_procmaps_it->current == NULL) + return NULL; + procmaps_struct* p_current = p_procmaps_it->current; + p_procmaps_it->current = p_procmaps_it->current->next; + return p_current; + /* + if(g_current==NULL){ + g_current=g_last_head; + }else + g_current=g_current->next; + + return g_current; + */ +} + + + +void pmparser_free(csnd::Csound* csound, procmaps_iterator* p_procmaps_it){ + procmaps_struct* maps_list = p_procmaps_it->head; + if(maps_list==NULL) return ; + procmaps_struct* act=maps_list; + procmaps_struct* nxt=act->next; + while(act!=NULL){ + csound->free(act); + act=nxt; + if(nxt!=NULL) + nxt=nxt->next; + } + +} + + +void _pmparser_split_line( + char*buf,char*addr1,char*addr2, + char*perm,char* offset,char* device,char*inode, + char* pathname){ + // + int orig=0; + int i=0; + //addr1 + while(buf[i]!='-'){ + addr1[i-orig]=buf[i]; + i++; + } + addr1[i]='\0'; + i++; + //addr2 + orig=i; + while(buf[i]!='\t' && buf[i]!=' '){ + addr2[i-orig]=buf[i]; + i++; + } + addr2[i-orig]='\0'; + + //perm + while(buf[i]=='\t' || buf[i]==' ') + i++; + orig=i; + while(buf[i]!='\t' && buf[i]!=' '){ + perm[i-orig]=buf[i]; + i++; + } + perm[i-orig]='\0'; + //offset + while(buf[i]=='\t' || buf[i]==' ') + i++; + orig=i; + while(buf[i]!='\t' && buf[i]!=' '){ + offset[i-orig]=buf[i]; + i++; + } + offset[i-orig]='\0'; + //dev + while(buf[i]=='\t' || buf[i]==' ') + i++; + orig=i; + while(buf[i]!='\t' && buf[i]!=' '){ + device[i-orig]=buf[i]; + i++; + } + device[i-orig]='\0'; + //inode + while(buf[i]=='\t' || buf[i]==' ') + i++; + orig=i; + while(buf[i]!='\t' && buf[i]!=' '){ + inode[i-orig]=buf[i]; + i++; + } + inode[i-orig]='\0'; + //pathname + pathname[0]='\0'; + while(buf[i]=='\t' || buf[i]==' ') + i++; + orig=i; + while(buf[i]!='\t' && buf[i]!=' ' && buf[i]!='\n'){ + pathname[i-orig]=buf[i]; + i++; + } + pathname[i-orig]='\0'; + +} |