39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
#include <stdlib.h>
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/**
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* A central repository for parsing Multiaddress structs
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*/
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#include "libp2p/utils/multiaddress.h"
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/**
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* This is a hack to get ip4/tcp working
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* TODO: this should be moved further down in the networking stack and generified for different multiaddresses
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* This makes too many assumptions
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* @param address the multiaddress to parse
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* @param ip the first IP address in the multiaddress
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* @param port the first port in the multiaddress
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* @returns true(1) on success, false(0) on failure
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*/
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int libp2p_utils_multiaddress_parse_ip4_tcp(const struct MultiAddress* address, char** ip, int* port) {
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// the incoming address is not what was expected
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if (strncmp(address->string, "/ip4/", 5) != 0)
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return 0;
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if (strstr(address->string, "/tcp/") == NULL)
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return 0;
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// ip
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char* str = malloc(strlen(address->string));
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if (str == NULL)
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return 0;
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strcpy(str, &address->string[5]); // gets rid of /ip4/
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char* pos = strchr(str, '/');
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pos[0] = 0;
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*ip = malloc(strlen(str) + 1);
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strcpy(*ip, str);
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free(str);
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// port
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str = strstr(address->string, "/tcp/");
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str += 5;
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*port = atoi(str);
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return 1;
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}
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