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xethyrion 2017-02-21 21:02:42 +02:00 committed by GitHub
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@ -5,32 +5,30 @@ multiaddr for IPFS in C.
# Usage: # Usage:
#### All you need to include is multiaddr.h #### All you need to include is multiaddr.h
## Maddr struct: ## Maddr struct:
* char string[]; // String that contains addresses such as /ip4/192.168.1.1/ * char * string; // String that contains addresses such as /ip4/192.168.1.1/
* uint8_t bytes; //String that contains the enecoded address * uint8_t bytes; //String that contains the enecoded address
* int bsize[]; //int[1] that contains the real bytes size (Use it whenever using the bytes so you don't input trash!) * size_t bsize; //int[1] that contains the real bytes size (Use it whenever using the bytes so you don't input trash!)
## New Multi Address From String(new_maddr_fs) ## New Multi Address From String(multiaddress_new_from_string)
char addrstr[] = "/ip4/192.168.1.1/" struct MultiAddress* a = multiaddress_new_from_string("/ip4/127.0.0.1/tcp/8080/");
struct maddr a;
a=new_maddr_fs(addrstr);
## Obtaining the byte buffer(.bytes, .bsize[0]): ## Obtaining the byte buffer(.bytes, .bsize[0]):
printf("TEST BYTES: %s\n",Var_To_Hex(a.bsize[0], a.bytes)); printf("TEST BYTES: %s\n",Var_To_Hex(a->bsize, a->bytes));
Var_To_Hex = Byte Buffer to Hex String Var_To_Hex = Byte Buffer to Hex String
Hex_To_Var = Hex String to Byte Buffer Hex_To_Var = Hex String to Byte Buffer
## Encapsulation & Decapsulation(m_encapsulate, m_decapsulate) ## Encapsulation & Decapsulation(m_encapsulate, m_decapsulate)
#### Remember, Decapsulation happens from right to left, never in reverse, if you have /ip4/udp/ipfs/ if you decapsulate "udp" you will also take out ipfs! #### Remember, Decapsulation happens from right to left, never in reverse, if you have /ip4/udp/ipfs/ if you decapsulate "udp" you will also take out ipfs!
* Now the string is: /ip4/192.168.1.1/ * Now the string is: /ip4/192.168.1.1/
* m_encapsulate(&a,"/udp/3333/"); //Adds udp/3333/ to char addrstr * multiaddress_encapsulate(a,"/udp/3333/"); //Adds udp/3333/ to char addrstr
* Now the string is: /ip4/192.168.1.1/udp/3333/ * Now the string is: /ip4/192.168.1.1/udp/3333/
* m_decapsulate(&a,"udp"); //Removes udp protocol and its address * multiaddress_decapsulate(a,"udp"); //Removes udp protocol and its address
* Now the string is: /ip4/192.168.1.1/ * Now the string is: /ip4/192.168.1.1/
* m_encapsulate(&a,"/tcp/8080"); * multiaddress_encapsulate(a,"/tcp/8080");
* Now the string is: /ip4/192.168.1.1/tcp/8080/ * Now the string is: /ip4/192.168.1.1/tcp/8080/
# Constructing a multiaddress from bytes: # Constructing a multiaddress from bytes:
* struct maddr beta; * struct MultiAddress* beta;
* beta=new_maddr_fb(a.bytes,a.bsize[0]); //This will already construct back to the string too! * beta = multiaddress_new_from_bytes(a->bytes,a->bsize); //This will already construct back to the string too!
* printf("B STRING: %s\n",beta.string); //So after encapsulation and decapsulation atm this string would * printf("B STRING: %s\n",beta->string); //So after encapsulation and decapsulation atm this string would
* contain: /ip4/192.168.1.1/tcp/8080/ * contain: /ip4/192.168.1.1/tcp/8080/